diff options
Diffstat (limited to 'drivers/gles3/rasterizer_scene_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_scene_gles3.cpp | 5008 |
1 files changed, 5008 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp new file mode 100644 index 0000000000..17e429657b --- /dev/null +++ b/drivers/gles3/rasterizer_scene_gles3.cpp @@ -0,0 +1,5008 @@ +#include "rasterizer_scene_gles3.h" +#include "globals.h" +#include "os/os.h" +#include "rasterizer_canvas_gles3.h" + +static const GLenum _cube_side_enum[6]={ + + GL_TEXTURE_CUBE_MAP_NEGATIVE_X, + GL_TEXTURE_CUBE_MAP_POSITIVE_X, + GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, + GL_TEXTURE_CUBE_MAP_POSITIVE_Y, + GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, + GL_TEXTURE_CUBE_MAP_POSITIVE_Z, + +}; + + +static _FORCE_INLINE_ void store_matrix32(const Matrix32& p_mtx, float* p_array) { + + p_array[ 0]=p_mtx.elements[0][0]; + p_array[ 1]=p_mtx.elements[0][1]; + p_array[ 2]=0; + p_array[ 3]=0; + p_array[ 4]=p_mtx.elements[1][0]; + p_array[ 5]=p_mtx.elements[1][1]; + p_array[ 6]=0; + p_array[ 7]=0; + p_array[ 8]=0; + p_array[ 9]=0; + p_array[10]=1; + p_array[11]=0; + p_array[12]=p_mtx.elements[2][0]; + p_array[13]=p_mtx.elements[2][1]; + p_array[14]=0; + p_array[15]=1; +} + + +static _FORCE_INLINE_ void store_transform(const Transform& p_mtx, float* p_array) { + p_array[ 0]=p_mtx.basis.elements[0][0]; + p_array[ 1]=p_mtx.basis.elements[1][0]; + p_array[ 2]=p_mtx.basis.elements[2][0]; + p_array[ 3]=0; + p_array[ 4]=p_mtx.basis.elements[0][1]; + p_array[ 5]=p_mtx.basis.elements[1][1]; + p_array[ 6]=p_mtx.basis.elements[2][1]; + p_array[ 7]=0; + p_array[ 8]=p_mtx.basis.elements[0][2]; + p_array[ 9]=p_mtx.basis.elements[1][2]; + p_array[10]=p_mtx.basis.elements[2][2]; + p_array[11]=0; + p_array[12]=p_mtx.origin.x; + p_array[13]=p_mtx.origin.y; + p_array[14]=p_mtx.origin.z; + p_array[15]=1; +} + +static _FORCE_INLINE_ void store_camera(const CameraMatrix& p_mtx, float* p_array) { + + for (int i=0;i<4;i++) { + for (int j=0;j<4;j++) { + + p_array[i*4+j]=p_mtx.matrix[i][j]; + } + } +} + +/* SHADOW ATLAS API */ + +RID RasterizerSceneGLES3::shadow_atlas_create() { + + ShadowAtlas *shadow_atlas = memnew( ShadowAtlas ); + shadow_atlas->fbo=0; + shadow_atlas->depth=0; + shadow_atlas->size=0; + shadow_atlas->smallest_subdiv=0; + + for(int i=0;i<4;i++) { + shadow_atlas->size_order[i]=i; + } + + + return shadow_atlas_owner.make_rid(shadow_atlas); +} + +void RasterizerSceneGLES3::shadow_atlas_set_size(RID p_atlas,int p_size){ + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_atlas); + ERR_FAIL_COND(!shadow_atlas); + ERR_FAIL_COND(p_size<0); + + p_size = nearest_power_of_2(p_size); + + if (p_size==shadow_atlas->size) + return; + + if (shadow_atlas->fbo) { + glDeleteTextures(1,&shadow_atlas->depth); + glDeleteFramebuffers(1,&shadow_atlas->fbo); + + shadow_atlas->depth=0; + shadow_atlas->fbo=0; + + print_line("erasing atlas"); + } + for(int i=0;i<4;i++) { + //clear subdivisions + shadow_atlas->quadrants[i].shadows.resize(0); + shadow_atlas->quadrants[i].shadows.resize( 1<<shadow_atlas->quadrants[i].subdivision ); + } + + //erase shadow atlas reference from lights + for (Map<RID,uint32_t>::Element *E=shadow_atlas->shadow_owners.front();E;E=E->next()) { + LightInstance *li = light_instance_owner.getornull(E->key()); + ERR_CONTINUE(!li); + li->shadow_atlases.erase(p_atlas); + } + + //clear owners + shadow_atlas->shadow_owners.clear(); + + shadow_atlas->size=p_size; + + if (shadow_atlas->size) { + glGenFramebuffers(1, &shadow_atlas->fbo); + glBindFramebuffer(GL_FRAMEBUFFER, shadow_atlas->fbo); + + // Create a texture for storing the depth + glActiveTexture(GL_TEXTURE0); + glGenTextures(1, &shadow_atlas->depth); + glBindTexture(GL_TEXTURE_2D, shadow_atlas->depth); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, shadow_atlas->size, shadow_atlas->size, 0, + GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, + GL_TEXTURE_2D, shadow_atlas->depth, 0); + + glViewport(0,0,shadow_atlas->size,shadow_atlas->size); + glClearDepth(0); + glClear(GL_DEPTH_BUFFER_BIT); + + } +} + + +void RasterizerSceneGLES3::shadow_atlas_set_quadrant_subdivision(RID p_atlas,int p_quadrant,int p_subdivision){ + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_atlas); + ERR_FAIL_COND(!shadow_atlas); + ERR_FAIL_INDEX(p_quadrant,4); + ERR_FAIL_INDEX(p_subdivision,16384); + + + uint32_t subdiv = nearest_power_of_2(p_subdivision); + if (subdiv&0xaaaaaaaa) { //sqrt(subdiv) must be integer + subdiv<<=1; + } + + subdiv=int(Math::sqrt(subdiv)); + + //obtain the number that will be x*x + + if (shadow_atlas->quadrants[p_quadrant].subdivision==subdiv) + return; + + //erase all data from quadrant + for(int i=0;i<shadow_atlas->quadrants[p_quadrant].shadows.size();i++) { + + if (shadow_atlas->quadrants[p_quadrant].shadows[i].owner.is_valid()) { + shadow_atlas->shadow_owners.erase(shadow_atlas->quadrants[p_quadrant].shadows[i].owner); + LightInstance *li = light_instance_owner.getornull(shadow_atlas->quadrants[p_quadrant].shadows[i].owner); + ERR_CONTINUE(!li); + li->shadow_atlases.erase(p_atlas); + } + } + + shadow_atlas->quadrants[p_quadrant].shadows.resize(0); + shadow_atlas->quadrants[p_quadrant].shadows.resize(subdiv*subdiv); + shadow_atlas->quadrants[p_quadrant].subdivision=subdiv; + + //cache the smallest subdiv (for faster allocation in light update) + + shadow_atlas->smallest_subdiv=1<<30; + + for(int i=0;i<4;i++) { + if (shadow_atlas->quadrants[i].subdivision) { + shadow_atlas->smallest_subdiv=MIN(shadow_atlas->smallest_subdiv,shadow_atlas->quadrants[i].subdivision); + } + } + + if (shadow_atlas->smallest_subdiv==1<<30) { + shadow_atlas->smallest_subdiv=0; + } + + //resort the size orders, simple bublesort for 4 elements.. + + int swaps=0; + do { + swaps=0; + + for(int i=0;i<3;i++) { + if (shadow_atlas->quadrants[shadow_atlas->size_order[i]].subdivision < shadow_atlas->quadrants[shadow_atlas->size_order[i+1]].subdivision) { + SWAP(shadow_atlas->size_order[i],shadow_atlas->size_order[i+1]); + swaps++; + } + } + } while(swaps>0); + + + + + +} + +bool RasterizerSceneGLES3::_shadow_atlas_find_shadow(ShadowAtlas *shadow_atlas,int *p_in_quadrants,int p_quadrant_count,int p_current_subdiv,uint64_t p_tick,int &r_quadrant,int &r_shadow) { + + + for(int i=p_quadrant_count-1;i>=0;i--) { + + int qidx = p_in_quadrants[i]; + + if (shadow_atlas->quadrants[qidx].subdivision==p_current_subdiv) { + return false; + } + + //look for an empty space + int sc = shadow_atlas->quadrants[qidx].shadows.size(); + ShadowAtlas::Quadrant::Shadow *sarr = shadow_atlas->quadrants[qidx].shadows.ptr(); + + int found_free_idx=-1; //found a free one + int found_used_idx=-1; //found existing one, must steal it + uint64_t min_pass; // pass of the existing one, try to use the least recently used one (LRU fashion) + + for(int j=0;j<sc;j++) { + if (!sarr[j].owner.is_valid()) { + found_free_idx=j; + break; + } + + LightInstance *sli = light_instance_owner.getornull(sarr[j].owner); + ERR_CONTINUE(!sli); + + if (sli->last_scene_pass!=scene_pass) { + + //was just allocated, don't kill it so soon, wait a bit.. + if (p_tick-sarr[j].alloc_tick < shadow_atlas_realloc_tolerance_msec) + continue; + + if (found_used_idx==-1 || sli->last_scene_pass<min_pass) { + found_used_idx=j; + min_pass=sli->last_scene_pass; + } + } + } + + if (found_free_idx==-1 && found_used_idx==-1) + continue; //nothing found + + if (found_free_idx==-1 && found_used_idx!=-1) { + found_free_idx=found_used_idx; + } + + r_quadrant=qidx; + r_shadow=found_free_idx; + + return true; + } + + return false; + +} + + +bool RasterizerSceneGLES3::shadow_atlas_update_light(RID p_atlas, RID p_light_intance, float p_coverage, uint64_t p_light_version){ + + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_atlas); + ERR_FAIL_COND_V(!shadow_atlas,false); + + LightInstance *li = light_instance_owner.getornull(p_light_intance); + ERR_FAIL_COND_V(!li,false); + + if (shadow_atlas->size==0 || shadow_atlas->smallest_subdiv==0) { + return false; + } + + uint32_t quad_size = shadow_atlas->size>>1; + int desired_fit = MIN(quad_size/shadow_atlas->smallest_subdiv,nearest_power_of_2(quad_size*p_coverage)); + + + int valid_quadrants[4]; + int valid_quadrant_count=0; + int best_size=-1; //best size found + int best_subdiv=-1; //subdiv for the best size + + //find the quadrants this fits into, and the best possible size it can fit into + for(int i=0;i<4;i++) { + int q = shadow_atlas->size_order[i]; + int sd = shadow_atlas->quadrants[q].subdivision; + if (sd==0) + continue; //unused + + int max_fit = quad_size / sd; + + if (best_size!=-1 && max_fit>best_size) + break; //too large + + valid_quadrants[valid_quadrant_count++]=q; + best_subdiv=sd; + + if (max_fit>=desired_fit) { + best_size=max_fit; + } + } + + ERR_FAIL_COND_V(valid_quadrant_count==0,false); + + uint64_t tick = OS::get_singleton()->get_ticks_msec(); + + + //see if it already exists + + if (shadow_atlas->shadow_owners.has(p_light_intance)) { + //it does! + uint32_t key = shadow_atlas->shadow_owners[p_light_intance]; + uint32_t q = (key>>ShadowAtlas::QUADRANT_SHIFT)&0x3; + uint32_t s = key&ShadowAtlas::SHADOW_INDEX_MASK; + + bool should_realloc=shadow_atlas->quadrants[q].subdivision!=best_subdiv && (shadow_atlas->quadrants[q].shadows[s].alloc_tick-tick > shadow_atlas_realloc_tolerance_msec); + bool should_redraw=shadow_atlas->quadrants[q].shadows[s].version!=p_light_version; + + + + if (!should_realloc) { + shadow_atlas->quadrants[q].shadows[s].version=p_light_version; + //already existing, see if it should redraw or it's just OK + return should_redraw; + } + + int new_quadrant,new_shadow; + + //find a better place + if (_shadow_atlas_find_shadow(shadow_atlas,valid_quadrants,valid_quadrant_count,shadow_atlas->quadrants[q].subdivision,tick,new_quadrant,new_shadow)) { + //found a better place! + ShadowAtlas::Quadrant::Shadow *sh = &shadow_atlas->quadrants[new_quadrant].shadows[new_shadow]; + if (sh->owner.is_valid()) { + //is taken, but is invalid, erasing it + shadow_atlas->shadow_owners.erase(sh->owner); + LightInstance *sli = light_instance_owner.get(sh->owner); + sli->shadow_atlases.erase(p_atlas); + } + + //erase previous + shadow_atlas->quadrants[q].shadows[s].version=0; + shadow_atlas->quadrants[q].shadows[s].owner=RID(); + + sh->owner=p_light_intance; + sh->alloc_tick=tick; + sh->version=p_light_version; + + //make new key + key=new_quadrant<<ShadowAtlas::QUADRANT_SHIFT; + key|=new_shadow; + //update it in map + shadow_atlas->shadow_owners[p_light_intance]=key; + //make it dirty, as it should redraw anyway + return true; + } + + //no better place for this shadow found, keep current + + //already existing, see if it should redraw or it's just OK + + shadow_atlas->quadrants[q].shadows[s].version=p_light_version; + + return should_redraw; + } + + int new_quadrant,new_shadow; + + //find a better place + if (_shadow_atlas_find_shadow(shadow_atlas,valid_quadrants,valid_quadrant_count,-1,tick,new_quadrant,new_shadow)) { + //found a better place! + ShadowAtlas::Quadrant::Shadow *sh = &shadow_atlas->quadrants[new_quadrant].shadows[new_shadow]; + if (sh->owner.is_valid()) { + //is taken, but is invalid, erasing it + shadow_atlas->shadow_owners.erase(sh->owner); + LightInstance *sli = light_instance_owner.get(sh->owner); + sli->shadow_atlases.erase(p_atlas); + } + + sh->owner=p_light_intance; + sh->alloc_tick=tick; + sh->version=p_light_version; + + //make new key + uint32_t key=new_quadrant<<ShadowAtlas::QUADRANT_SHIFT; + key|=new_shadow; + //update it in map + shadow_atlas->shadow_owners[p_light_intance]=key; + //make it dirty, as it should redraw anyway + + return true; + } + + //no place to allocate this light, apologies + + return false; + + + + +} + +void RasterizerSceneGLES3::set_directional_shadow_count(int p_count) { + + directional_shadow.light_count=p_count; + directional_shadow.current_light=0; +} + +int RasterizerSceneGLES3::get_directional_light_shadow_size(RID p_light_intance) { + + ERR_FAIL_COND_V(directional_shadow.light_count==0,0); + + int shadow_size; + + if (directional_shadow.light_count==1) { + shadow_size = directional_shadow.size; + } else { + shadow_size = directional_shadow.size/2; //more than 4 not supported anyway + } + + LightInstance *light_instance = light_instance_owner.getornull(p_light_intance); + ERR_FAIL_COND_V(!light_instance,0); + + switch(light_instance->light_ptr->directional_shadow_mode) { + case VS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL: break; //none + case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS: + case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS: shadow_size/=2; break; + } + + return shadow_size; + +} +////////////////////////////////////////////////////// + +RID RasterizerSceneGLES3::reflection_atlas_create() { + + ReflectionAtlas *reflection_atlas = memnew( ReflectionAtlas ); + reflection_atlas->subdiv=0; + reflection_atlas->color=0; + reflection_atlas->size=0; + for(int i=0;i<6;i++) { + reflection_atlas->fbo[i]=0; + } + + return reflection_atlas_owner.make_rid(reflection_atlas); +} + +void RasterizerSceneGLES3::reflection_atlas_set_size(RID p_ref_atlas,int p_size) { + + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.getornull(p_ref_atlas); + ERR_FAIL_COND(!reflection_atlas); + + int size = nearest_power_of_2(p_size); + + if (size==reflection_atlas->size) + return; + if (reflection_atlas->size) { + for(int i=0;i<6;i++) { + glDeleteFramebuffers(1,&reflection_atlas->fbo[i]); + reflection_atlas->fbo[i]=0; + } + glDeleteTextures(1,&reflection_atlas->color); + reflection_atlas->color=0; + } + + reflection_atlas->size=size; + + for(int i=0;i<reflection_atlas->reflections.size();i++) { + //erase probes reference to this + if (reflection_atlas->reflections[i].owner.is_valid()) { + ReflectionProbeInstance *reflection_probe_instance = reflection_probe_instance_owner.getornull(reflection_atlas->reflections[i].owner); + reflection_atlas->reflections[i].owner=RID(); + + ERR_CONTINUE(!reflection_probe_instance); + reflection_probe_instance->reflection_atlas_index=-1; + reflection_probe_instance->atlas=RID(); + reflection_probe_instance->render_step=-1; + } + } + + + if (reflection_atlas->size) { + + bool use_float=true; + + + GLenum internal_format = use_float?GL_RGBA16F:GL_RGB10_A2; + GLenum format = GL_RGBA; + GLenum type = use_float?GL_HALF_FLOAT:GL_UNSIGNED_INT_2_10_10_10_REV; + + + // Create a texture for storing the color + glActiveTexture(GL_TEXTURE0); + glGenTextures(1, &reflection_atlas->color); + glBindTexture(GL_TEXTURE_2D, reflection_atlas->color); + + int mmsize=reflection_atlas->size; + + for(int i=0;i<6;i++) { + glTexImage2D(GL_TEXTURE_2D, i, internal_format, mmsize, mmsize, 0, + format, type, NULL); + + mmsize>>=1; + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 5); + + mmsize=reflection_atlas->size; + + for(int i=0;i<6;i++) { + glGenFramebuffers(1, &reflection_atlas->fbo[i]); + glBindFramebuffer(GL_FRAMEBUFFER, reflection_atlas->fbo[i]); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, reflection_atlas->color, i); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + ERR_CONTINUE(status!=GL_FRAMEBUFFER_COMPLETE); + + glDisable(GL_SCISSOR_TEST); + glViewport(0,0,mmsize,mmsize); + glClearColor(0,0,0,0); + glClear(GL_COLOR_BUFFER_BIT); //it needs to be cleared, to avoid generating garbage + + mmsize>>=1; + + } + + + } + + + +} +void RasterizerSceneGLES3::reflection_atlas_set_subdivision(RID p_ref_atlas,int p_subdiv) { + + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.getornull(p_ref_atlas); + ERR_FAIL_COND(!reflection_atlas); + + uint32_t subdiv = nearest_power_of_2(p_subdiv); + if (subdiv&0xaaaaaaaa) { //sqrt(subdiv) must be integer + subdiv<<=1; + } + + subdiv=int(Math::sqrt(subdiv)); + + if (reflection_atlas->subdiv==subdiv) + return; + + + if (subdiv) { + + for(int i=0;i<reflection_atlas->reflections.size();i++) { + //erase probes reference to this + if (reflection_atlas->reflections[i].owner.is_valid()) { + ReflectionProbeInstance *reflection_probe_instance = reflection_probe_instance_owner.getornull(reflection_atlas->reflections[i].owner); + reflection_atlas->reflections[i].owner=RID(); + + ERR_CONTINUE(!reflection_probe_instance); + reflection_probe_instance->reflection_atlas_index=-1; + reflection_probe_instance->atlas=RID(); + reflection_probe_instance->render_step=-1; + } + } + } + + reflection_atlas->subdiv=subdiv; + + reflection_atlas->reflections.resize(subdiv*subdiv); +} + + +//////////////////////////////////////////////////// + +RID RasterizerSceneGLES3::reflection_probe_instance_create(RID p_probe) { + + RasterizerStorageGLES3::ReflectionProbe *probe = storage->reflection_probe_owner.getornull(p_probe); + ERR_FAIL_COND_V(!probe,RID()); + + ReflectionProbeInstance *rpi = memnew( ReflectionProbeInstance ); + + rpi->probe_ptr=probe; + rpi->self=reflection_probe_instance_owner.make_rid(rpi); + rpi->probe=p_probe; + rpi->reflection_atlas_index=-1; + rpi->render_step=-1; + rpi->last_pass=0; + + return rpi->self; +} + +void RasterizerSceneGLES3::reflection_probe_instance_set_transform(RID p_instance,const Transform& p_transform) { + + ReflectionProbeInstance *rpi = reflection_probe_instance_owner.getornull(p_instance); + ERR_FAIL_COND(!rpi); + rpi->transform=p_transform; + +} + +void RasterizerSceneGLES3::reflection_probe_release_atlas_index(RID p_instance) { + + ReflectionProbeInstance *rpi = reflection_probe_instance_owner.getornull(p_instance); + ERR_FAIL_COND(!rpi); + if (rpi->reflection_atlas_index==-1) + return; + + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.getornull(rpi->atlas); + ERR_FAIL_COND(!reflection_atlas); + + ERR_FAIL_INDEX(rpi->reflection_atlas_index,reflection_atlas->reflections.size()); + + ERR_FAIL_COND(reflection_atlas->reflections[rpi->reflection_atlas_index].owner!=rpi->self); + + reflection_atlas->reflections[rpi->reflection_atlas_index].owner=RID(); + + rpi->reflection_atlas_index=-1; + rpi->atlas=RID(); + rpi->render_step=-1; + +} + +bool RasterizerSceneGLES3::reflection_probe_instance_needs_redraw(RID p_instance) { + + ReflectionProbeInstance *rpi = reflection_probe_instance_owner.getornull(p_instance); + ERR_FAIL_COND_V(!rpi,false); + + return rpi->reflection_atlas_index==-1 || rpi->probe_ptr->update_mode==VS::REFLECTION_PROBE_UPDATE_ALWAYS; +} + +bool RasterizerSceneGLES3::reflection_probe_instance_has_reflection(RID p_instance){ + + ReflectionProbeInstance *rpi = reflection_probe_instance_owner.getornull(p_instance); + ERR_FAIL_COND_V(!rpi,false); + + return rpi->reflection_atlas_index!=-1; +} + +bool RasterizerSceneGLES3::reflection_probe_instance_begin_render(RID p_instance,RID p_reflection_atlas) { + + ReflectionProbeInstance *rpi = reflection_probe_instance_owner.getornull(p_instance); + ERR_FAIL_COND_V(!rpi,false); + + rpi->render_step=0; + + if (rpi->reflection_atlas_index!=-1) { + return true; //got one already + } + + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.getornull(p_reflection_atlas); + ERR_FAIL_COND_V(!reflection_atlas,false); + + + if (reflection_atlas->size==0 || reflection_atlas->subdiv==0) { + return false; + } + + + int best_free=-1; + int best_used=-1; + uint64_t best_used_frame; + + for(int i=0;i<reflection_atlas->reflections.size();i++) { + if (reflection_atlas->reflections[i].owner==RID()) { + best_free=i; + break; + } + + if (rpi->render_step<0 && reflection_atlas->reflections[i].last_frame<storage->frame.count && + (best_used==-1 || reflection_atlas->reflections[i].last_frame<best_used_frame)) { + best_used=i; + best_used_frame=reflection_atlas->reflections[i].last_frame; + } + } + + if (best_free==-1 && best_used==-1) { + return false ;// sorry, can not do. Try again next frame. + } + + if (best_free==-1) { + //find best from what is used + best_free=best_used; + + ReflectionProbeInstance *victim_rpi = reflection_probe_instance_owner.getornull(reflection_atlas->reflections[best_free].owner); + ERR_FAIL_COND_V(!victim_rpi,false); + victim_rpi->atlas=RID(); + victim_rpi->reflection_atlas_index=-1; + + } + + reflection_atlas->reflections[best_free].owner=p_instance; + reflection_atlas->reflections[best_free].last_frame=storage->frame.count; + + rpi->reflection_atlas_index=best_free; + rpi->atlas=p_reflection_atlas; + rpi->render_step=0; + + return true; +} + +bool RasterizerSceneGLES3::reflection_probe_instance_postprocess_step(RID p_instance) { + + ReflectionProbeInstance *rpi = reflection_probe_instance_owner.getornull(p_instance); + ERR_FAIL_COND_V(!rpi,true); + + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.getornull(rpi->atlas); + ERR_FAIL_COND_V(!reflection_atlas,false); + + ERR_FAIL_COND_V(rpi->render_step>=6,true); + + glBindFramebuffer(GL_FRAMEBUFFER,reflection_atlas->fbo[rpi->render_step]); + state.cube_to_dp_shader.bind(); + + int target_size=reflection_atlas->size/reflection_atlas->subdiv; + + int cubemap_index=reflection_cubemaps.size()-1; + + for(int i=reflection_cubemaps.size()-1;i>=0;i--) { + //find appropriate cubemap to render to + if (reflection_cubemaps[i].size>target_size*2) + break; + + cubemap_index=i; + } + + glDisable(GL_BLEND); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_CUBE_MAP,reflection_cubemaps[cubemap_index].cubemap); + glDisable(GL_CULL_FACE); + + storage->shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DUAL_PARABOLOID,true); + storage->shaders.cubemap_filter.bind(); + + int cell_size = reflection_atlas->size / reflection_atlas->subdiv; + for(int i=0;i<rpi->render_step;i++) { + cell_size>>=1; //mipmaps! + } + int x = (rpi->reflection_atlas_index % reflection_atlas->subdiv) * cell_size; + int y = (rpi->reflection_atlas_index / reflection_atlas->subdiv) * cell_size; + int width=cell_size; + int height=cell_size; + + storage->shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DIRECT_WRITE,rpi->render_step==0); + storage->shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::LOW_QUALITY,rpi->probe_ptr->update_mode==VS::REFLECTION_PROBE_UPDATE_ALWAYS); + for(int i=0;i<2;i++) { + + storage->shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::Z_FLIP,i>0); + storage->shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::ROUGHNESS,rpi->render_step/5.0); + + uint32_t local_width=width,local_height=height; + uint32_t local_x=x,local_y=y; + + local_height/=2; + local_y+=i*local_height; + + glViewport(local_x,local_y,local_width,local_height); + + _copy_screen(); + } + storage->shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DIRECT_WRITE,false); + storage->shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::LOW_QUALITY,false); + + + rpi->render_step++; + + return rpi->render_step==6; +} + +/* ENVIRONMENT API */ + +RID RasterizerSceneGLES3::environment_create(){ + + + Environment *env = memnew( Environment ); + + return environment_owner.make_rid(env); +} + +void RasterizerSceneGLES3::environment_set_background(RID p_env,VS::EnvironmentBG p_bg){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + env->bg_mode=p_bg; +} + +void RasterizerSceneGLES3::environment_set_skybox(RID p_env, RID p_skybox){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->skybox=p_skybox; + +} + +void RasterizerSceneGLES3::environment_set_skybox_scale(RID p_env,float p_scale) { + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->skybox_scale=p_scale; + +} + +void RasterizerSceneGLES3::environment_set_bg_color(RID p_env,const Color& p_color){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->bg_color=p_color; + +} +void RasterizerSceneGLES3::environment_set_bg_energy(RID p_env,float p_energy) { + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->bg_energy=p_energy; + +} + +void RasterizerSceneGLES3::environment_set_canvas_max_layer(RID p_env,int p_max_layer){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->canvas_max_layer=p_max_layer; + +} +void RasterizerSceneGLES3::environment_set_ambient_light(RID p_env, const Color& p_color, float p_energy, float p_skybox_contribution){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->ambient_color=p_color; + env->ambient_energy=p_energy; + env->ambient_skybox_contribution=p_skybox_contribution; + +} + + + +void RasterizerSceneGLES3::environment_set_dof_blur_far(RID p_env,bool p_enable,float p_distance,float p_transition,float p_amount,VS::EnvironmentDOFBlurQuality p_quality){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->dof_blur_far_enabled=p_enable; + env->dof_blur_far_distance=p_distance; + env->dof_blur_far_transition=p_transition; + env->dof_blur_far_amount=p_amount; + env->dof_blur_far_quality=p_quality; + + +} + +void RasterizerSceneGLES3::environment_set_dof_blur_near(RID p_env,bool p_enable,float p_distance,float p_transition,float p_amount,VS::EnvironmentDOFBlurQuality p_quality){ + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->dof_blur_near_enabled=p_enable; + env->dof_blur_near_distance=p_distance; + env->dof_blur_near_transition=p_transition; + env->dof_blur_near_amount=p_amount; + env->dof_blur_near_quality=p_quality; + + +} +void RasterizerSceneGLES3::environment_set_glow(RID p_env, bool p_enable, int p_level_flags, float p_intensity, float p_strength, float p_bloom_treshold, VS::EnvironmentGlowBlendMode p_blend_mode, float p_hdr_bleed_treshold, float p_hdr_bleed_scale, bool p_bicubic_upscale) { + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->glow_enabled=p_enable; + env->glow_levels=p_level_flags; + env->glow_intensity=p_intensity; + env->glow_strength=p_strength; + env->glow_bloom=p_bloom_treshold; + env->glow_blend_mode=p_blend_mode; + env->glow_hdr_bleed_treshold=p_hdr_bleed_treshold; + env->glow_hdr_bleed_scale=p_hdr_bleed_scale; + env->glow_bicubic_upscale=p_bicubic_upscale; + +} +void RasterizerSceneGLES3::environment_set_fog(RID p_env,bool p_enable,float p_begin,float p_end,RID p_gradient_texture){ + +} + +void RasterizerSceneGLES3::environment_set_ssr(RID p_env,bool p_enable, int p_max_steps,float p_accel,float p_fade,float p_depth_tolerance,bool p_smooth,bool p_roughness) { + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->ssr_enabled=p_enable; + env->ssr_max_steps=p_max_steps; + env->ssr_accel=p_accel; + env->ssr_fade=p_fade; + env->ssr_depth_tolerance=p_depth_tolerance; + env->ssr_smooth=p_smooth; + env->ssr_roughness=p_roughness; + +} + + +void RasterizerSceneGLES3::environment_set_ssao(RID p_env,bool p_enable, float p_radius, float p_intensity, float p_radius2, float p_intensity2, float p_bias, float p_light_affect,const Color &p_color,bool p_blur) { + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->ssao_enabled=p_enable; + env->ssao_radius=p_radius; + env->ssao_intensity=p_intensity; + env->ssao_radius2=p_radius2; + env->ssao_intensity2=p_intensity2; + env->ssao_bias=p_bias; + env->ssao_light_affect=p_light_affect; + env->ssao_color=p_color; + env->ssao_filter=p_blur; + +} + +void RasterizerSceneGLES3::environment_set_tonemap(RID p_env,VS::EnvironmentToneMapper p_tone_mapper,float p_exposure,float p_white,bool p_auto_exposure,float p_min_luminance,float p_max_luminance,float p_auto_exp_speed,float p_auto_exp_scale) { + + Environment *env=environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + + env->tone_mapper=p_tone_mapper; + env->tone_mapper_exposure=p_exposure; + env->tone_mapper_exposure_white=p_white; + env->auto_exposure=p_auto_exposure; + env->auto_exposure_speed=p_auto_exp_speed; + env->auto_exposure_min=p_min_luminance; + env->auto_exposure_max=p_max_luminance; + env->auto_exposure_grey=p_auto_exp_scale; + +} + + +void RasterizerSceneGLES3::environment_set_adjustment(RID p_env,bool p_enable,float p_brightness,float p_contrast,float p_saturation,RID p_ramp) { + + +} + + +RID RasterizerSceneGLES3::light_instance_create(RID p_light) { + + + LightInstance *light_instance = memnew( LightInstance ); + + light_instance->last_pass=0; + light_instance->last_scene_pass=0; + light_instance->last_scene_shadow_pass=0; + + light_instance->light=p_light; + light_instance->light_ptr=storage->light_owner.getornull(p_light); + + ERR_FAIL_COND_V(!light_instance->light_ptr,RID()); + + light_instance->self=light_instance_owner.make_rid(light_instance); + + return light_instance->self; +} + +void RasterizerSceneGLES3::light_instance_set_transform(RID p_light_instance,const Transform& p_transform){ + + LightInstance *light_instance = light_instance_owner.getornull(p_light_instance); + ERR_FAIL_COND(!light_instance); + + light_instance->transform=p_transform; +} + +void RasterizerSceneGLES3::light_instance_set_shadow_transform(RID p_light_instance,const CameraMatrix& p_projection,const Transform& p_transform,float p_far,float p_split,int p_pass) { + + LightInstance *light_instance = light_instance_owner.getornull(p_light_instance); + ERR_FAIL_COND(!light_instance); + + if (light_instance->light_ptr->type!=VS::LIGHT_DIRECTIONAL) { + p_pass=0; + } + + ERR_FAIL_INDEX(p_pass,4); + + light_instance->shadow_transform[p_pass].camera=p_projection; + light_instance->shadow_transform[p_pass].transform=p_transform; + light_instance->shadow_transform[p_pass].farplane=p_far; + light_instance->shadow_transform[p_pass].split=p_split; + +} + + +void RasterizerSceneGLES3::light_instance_mark_visible(RID p_light_instance) { + + LightInstance *light_instance = light_instance_owner.getornull(p_light_instance); + ERR_FAIL_COND(!light_instance); + + light_instance->last_scene_pass=scene_pass; +} + + +////////////////////// + +RID RasterizerSceneGLES3::gi_probe_instance_create() { + + GIProbeInstance *gipi = memnew(GIProbeInstance); + + return gi_probe_instance_owner.make_rid(gipi); +} + +void RasterizerSceneGLES3::gi_probe_instance_set_light_data(RID p_probe, RID p_base, RID p_data) { + + GIProbeInstance *gipi = gi_probe_instance_owner.getornull(p_probe); + ERR_FAIL_COND(!gipi); + gipi->data=p_data; + gipi->probe=storage->gi_probe_owner.getornull(p_base); + if (p_data.is_valid()) { + RasterizerStorageGLES3::GIProbeData *gipd = storage->gi_probe_data_owner.getornull(p_data); + ERR_FAIL_COND(!gipd); + if (gipd) { + gipi->tex_cache=gipd->tex_id; + gipi->cell_size_cache.x=1.0/gipd->width; + gipi->cell_size_cache.y=1.0/gipd->height; + gipi->cell_size_cache.z=1.0/gipd->depth; + } + } +} +void RasterizerSceneGLES3::gi_probe_instance_set_transform_to_data(RID p_probe,const Transform& p_xform) { + + GIProbeInstance *gipi = gi_probe_instance_owner.getornull(p_probe); + ERR_FAIL_COND(!gipi); + gipi->transform_to_data=p_xform; + +} + +void RasterizerSceneGLES3::gi_probe_instance_set_bounds(RID p_probe,const Vector3& p_bounds) { + + GIProbeInstance *gipi = gi_probe_instance_owner.getornull(p_probe); + ERR_FAIL_COND(!gipi); + gipi->bounds=p_bounds; + +} + +//////////////////////////// +//////////////////////////// +//////////////////////////// + +bool RasterizerSceneGLES3::_setup_material(RasterizerStorageGLES3::Material* p_material,bool p_alpha_pass) { + + if (p_material->shader->spatial.cull_mode==RasterizerStorageGLES3::Shader::Spatial::CULL_MODE_DISABLED) { + glDisable(GL_CULL_FACE); + } else { + glEnable(GL_CULL_FACE); + } + + if (state.current_line_width!=p_material->line_width) { + //glLineWidth(MAX(p_material->line_width,1.0)); + state.current_line_width=p_material->line_width; + } + + if (state.current_depth_draw!=p_material->shader->spatial.depth_draw_mode) { + switch(p_material->shader->spatial.depth_draw_mode) { + case RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS: + case RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_OPAQUE: { + + glDepthMask(!p_alpha_pass); + } break; + case RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_ALWAYS: { + glDepthMask(GL_TRUE); + } break; + case RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_NEVER: { + glDepthMask(GL_FALSE); + } break; + } + + state.current_depth_draw=p_material->shader->spatial.depth_draw_mode; + } + + //glPolygonMode(GL_FRONT_AND_BACK,GL_LINE); + + /* + if (p_material->flags[VS::MATERIAL_FLAG_WIREFRAME]) + glPolygonMode(GL_FRONT_AND_BACK,GL_LINE); + else + glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); + */ + + //if (p_material->line_width) + // glLineWidth(p_material->line_width); + +#if 0 + //blend mode + if (state.current_blend_mode!=p_material->shader->spatial.blend_mode) { + + switch(p_material->shader->spatial.blend_mode) { + + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MIX: { + glBlendEquation(GL_FUNC_ADD); + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + } break; + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_ADD: { + + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(p_alpha_pass?GL_SRC_ALPHA:GL_ONE,GL_ONE); + + } break; + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_SUB: { + + glBlendEquation(GL_FUNC_REVERSE_SUBTRACT); + glBlendFunc(GL_SRC_ALPHA,GL_ONE); + } break; + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MUL: { + glBlendEquation(GL_FUNC_ADD); + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + } break; + } + + state.current_blend_mode=p_material->shader->spatial.blend_mode; + + } +#endif + //material parameters + + + state.scene_shader.set_custom_shader(p_material->shader->custom_code_id); + bool rebind = state.scene_shader.bind(); + + + if (p_material->ubo_id) { + + glBindBufferBase(GL_UNIFORM_BUFFER,1,p_material->ubo_id); + } + + + + int tc = p_material->textures.size(); + RID* textures = p_material->textures.ptr(); + ShaderLanguage::ShaderNode::Uniform::Hint* texture_hints = p_material->shader->texture_hints.ptr(); + + state.current_main_tex=0; + + for(int i=0;i<tc;i++) { + + glActiveTexture(GL_TEXTURE0+i); + + GLenum target; + GLuint tex; + + RasterizerStorageGLES3::Texture *t = storage->texture_owner.getornull( textures[i] ); + + if (!t) { + //check hints + target=GL_TEXTURE_2D; + + switch(texture_hints[i]) { + case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK_ALBEDO: + case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK: { + tex=storage->resources.black_tex; + } break; + case ShaderLanguage::ShaderNode::Uniform::HINT_ANISO: { + tex=storage->resources.aniso_tex; + } break; + case ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL: { + tex=storage->resources.normal_tex; + } break; + default: { + tex=storage->resources.white_tex; + } break; + } + + + } else { + + if (storage->config.srgb_decode_supported) { + //if SRGB decode extension is present, simply switch the texture to whathever is needed + bool must_srgb=false; + + if (t->srgb && (texture_hints[i]==ShaderLanguage::ShaderNode::Uniform::HINT_ALBEDO || texture_hints[i]==ShaderLanguage::ShaderNode::Uniform::HINT_BLACK_ALBEDO)) { + must_srgb=true; + } + + if (t->using_srgb!=must_srgb) { + if (must_srgb) { + glTexParameteri(t->target,_TEXTURE_SRGB_DECODE_EXT,_DECODE_EXT); +#ifdef TOOLS_ENABLED + if (!(t->flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)) { + t->flags|=VS::TEXTURE_FLAG_CONVERT_TO_LINEAR; + //notify that texture must be set to linear beforehand, so it works in other platforms when exported + } +#endif + + } else { + glTexParameteri(t->target,_TEXTURE_SRGB_DECODE_EXT,_SKIP_DECODE_EXT); + } + t->using_srgb=must_srgb; + } + } + + target=t->target; + tex = t->tex_id; + + } + + glBindTexture(target,tex); + + if (i==0) { + state.current_main_tex=tex; + } + } + + + return rebind; + +} + + +void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e) { + + switch(e->instance->base_type) { + + case VS::INSTANCE_MESH: { + + RasterizerStorageGLES3::Surface *s = static_cast<RasterizerStorageGLES3::Surface*>(e->geometry); + + if (s->morph_targets.size() && e->instance->morph_values.size()) { + //blend shapes, use transform feedback + storage->mesh_render_blend_shapes(s,e->instance->morph_values.ptr()); + //rebind shader + state.scene_shader.bind(); + } else { + + glBindVertexArray(s->array_id); // everything is so easy nowadays + } + + } break; + + case VS::INSTANCE_MULTIMESH: { + + RasterizerStorageGLES3::MultiMesh *multi_mesh = static_cast<RasterizerStorageGLES3::MultiMesh*>(e->owner); + RasterizerStorageGLES3::Surface *s = static_cast<RasterizerStorageGLES3::Surface*>(e->geometry); + glBindVertexArray(s->instancing_array_id); // use the instancing array ID + glBindBuffer(GL_ARRAY_BUFFER,multi_mesh->buffer); //modify the buffer + + int stride = (multi_mesh->xform_floats+multi_mesh->color_floats)*4; + glEnableVertexAttribArray(8); + glVertexAttribPointer(8,4,GL_FLOAT,GL_FALSE,stride,((uint8_t*)NULL)+0); + glVertexAttribDivisor(8,1); + glEnableVertexAttribArray(9); + glVertexAttribPointer(9,4,GL_FLOAT,GL_FALSE,stride,((uint8_t*)NULL)+4*4); + glVertexAttribDivisor(9,1); + + int color_ofs; + + if (multi_mesh->transform_format==VS::MULTIMESH_TRANSFORM_3D) { + glEnableVertexAttribArray(10); + glVertexAttribPointer(10,4,GL_FLOAT,GL_FALSE,stride,((uint8_t*)NULL)+8*4); + glVertexAttribDivisor(10,1); + color_ofs=12*4; + } else { + glDisableVertexAttribArray(10); + glVertexAttrib4f(10,0,0,1,0); + color_ofs=8*4; + } + + switch(multi_mesh->color_format) { + + case VS::MULTIMESH_COLOR_NONE: { + glDisableVertexAttribArray(11); + glVertexAttrib4f(11,1,1,1,1); + } break; + case VS::MULTIMESH_COLOR_8BIT: { + glEnableVertexAttribArray(11); + glVertexAttribPointer(11,4,GL_UNSIGNED_BYTE,GL_TRUE,stride,((uint8_t*)NULL)+color_ofs); + glVertexAttribDivisor(11,1); + + } break; + case VS::MULTIMESH_COLOR_FLOAT: { + glEnableVertexAttribArray(11); + glVertexAttribPointer(11,4,GL_FLOAT,GL_FALSE,stride,((uint8_t*)NULL)+color_ofs); + glVertexAttribDivisor(11,1); + } break; + } + + } break; + } + +} + +static const GLenum gl_primitive[]={ + GL_POINTS, + GL_LINES, + GL_LINE_STRIP, + GL_LINE_LOOP, + GL_TRIANGLES, + GL_TRIANGLE_STRIP, + GL_TRIANGLE_FAN +}; + + + +void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) { + + switch(e->instance->base_type) { + + case VS::INSTANCE_MESH: { + + RasterizerStorageGLES3::Surface *s = static_cast<RasterizerStorageGLES3::Surface*>(e->geometry); + + if (s->index_array_len>0) { + + + glDrawElements(gl_primitive[s->primitive],s->index_array_len, (s->array_len>=(1<<16))?GL_UNSIGNED_INT:GL_UNSIGNED_SHORT,0); + + storage->info.render_vertices_count+=s->index_array_len; + + } else { + + glDrawArrays(gl_primitive[s->primitive],0,s->array_len); + + storage->info.render_vertices_count+=s->array_len; + + } + + + + + } break; + case VS::INSTANCE_MULTIMESH: { + + RasterizerStorageGLES3::MultiMesh *multi_mesh = static_cast<RasterizerStorageGLES3::MultiMesh*>(e->owner); + RasterizerStorageGLES3::Surface *s = static_cast<RasterizerStorageGLES3::Surface*>(e->geometry); + + int amount = MAX(multi_mesh->size,multi_mesh->visible_instances); + + if (s->index_array_len>0) { + + glDrawElementsInstanced(gl_primitive[s->primitive],s->index_array_len, (s->array_len>=(1<<16))?GL_UNSIGNED_INT:GL_UNSIGNED_SHORT,0,amount); + + storage->info.render_vertices_count+=s->index_array_len * amount; + + } else { + + glDrawArraysInstanced(gl_primitive[s->primitive],0,s->array_len,amount); + + storage->info.render_vertices_count+=s->array_len * amount; + + } + + } break; + case VS::INSTANCE_IMMEDIATE: { + + bool restore_tex=false; + const RasterizerStorageGLES3::Immediate *im = static_cast<const RasterizerStorageGLES3::Immediate*>( e->geometry ); + + if (im->building) { + return; + } + + glBindBuffer(GL_ARRAY_BUFFER, state.immediate_buffer); + glBindVertexArray(state.immediate_array); + + + for(const List< RasterizerStorageGLES3::Immediate::Chunk>::Element *E=im->chunks.front();E;E=E->next()) { + + const RasterizerStorageGLES3::Immediate::Chunk &c=E->get(); + if (c.vertices.empty()) { + continue; + } + + int vertices = c.vertices.size(); + uint32_t buf_ofs=0; + + storage->info.render_vertices_count+=vertices; + + if (c.texture.is_valid() && storage->texture_owner.owns(c.texture)) { + + const RasterizerStorageGLES3::Texture *t = storage->texture_owner.get(c.texture); + glActiveTexture(GL_TEXTURE0); + glBindTexture(t->target,t->tex_id); + restore_tex=true; + + + } else if (restore_tex) { + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,state.current_main_tex); + restore_tex=false; + } + + + + if (!c.normals.empty()) { + + glEnableVertexAttribArray(VS::ARRAY_NORMAL); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Vector3)*vertices,c.normals.ptr()); + glVertexAttribPointer(VS::ARRAY_NORMAL, 3, GL_FLOAT, false,sizeof(Vector3)*vertices,((uint8_t*)NULL)+buf_ofs); + buf_ofs+=sizeof(Vector3)*vertices; + + } else { + + glDisableVertexAttribArray(VS::ARRAY_NORMAL); + } + + if (!c.tangents.empty()) { + + glEnableVertexAttribArray(VS::ARRAY_TANGENT); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Plane)*vertices,c.tangents.ptr()); + glVertexAttribPointer(VS::ARRAY_TANGENT, 4, GL_FLOAT, false,sizeof(Plane)*vertices,((uint8_t*)NULL)+buf_ofs); + buf_ofs+=sizeof(Plane)*vertices; + + } else { + + glDisableVertexAttribArray(VS::ARRAY_TANGENT); + } + + if (!c.colors.empty()) { + + glEnableVertexAttribArray(VS::ARRAY_COLOR); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Color)*vertices,c.colors.ptr()); + glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, false,sizeof(Color),((uint8_t*)NULL)+buf_ofs); + buf_ofs+=sizeof(Color)*vertices; + + } else { + + glDisableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttrib4f(VS::ARRAY_COLOR,1,1,1,1); + } + + + if (!c.uvs.empty()) { + + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Vector2)*vertices,c.uvs.ptr()); + glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, false,sizeof(Vector2),((uint8_t*)NULL)+buf_ofs); + buf_ofs+=sizeof(Vector2)*vertices; + + } else { + + glDisableVertexAttribArray(VS::ARRAY_TEX_UV); + } + + if (!c.uvs2.empty()) { + + glEnableVertexAttribArray(VS::ARRAY_TEX_UV2); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Vector2)*vertices,c.uvs2.ptr()); + glVertexAttribPointer(VS::ARRAY_TEX_UV2, 2, GL_FLOAT, false,sizeof(Vector2),((uint8_t*)NULL)+buf_ofs); + buf_ofs+=sizeof(Vector2)*vertices; + + } else { + + glDisableVertexAttribArray(VS::ARRAY_TEX_UV2); + } + + + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Vector3)*vertices,c.vertices.ptr()); + glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, false,sizeof(Vector3),((uint8_t*)NULL)+buf_ofs); + glDrawArrays(gl_primitive[c.primitive],0,c.vertices.size()); + + + } + + + if (restore_tex) { + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,state.current_main_tex); + restore_tex=false; + } + } break; + + } + +} + +void RasterizerSceneGLES3::_setup_light(RenderList::Element *e,const Transform& p_view_transform) { + + int omni_indices[16]; + int omni_count=0; + int spot_indices[16]; + int spot_count=0; + int reflection_indices[16]; + int reflection_count=0; + + int maxobj = MIN(16,state.max_forward_lights_per_object); + + int lc = e->instance->light_instances.size(); + if (lc) { + + const RID* lights=e->instance->light_instances.ptr(); + + for(int i=0;i<lc;i++) { + LightInstance *li=light_instance_owner.getptr(lights[i]); + if (li->last_pass!=render_pass) //not visible + continue; + + if (li->light_ptr->type==VS::LIGHT_OMNI) { + if (omni_count<maxobj && e->instance->layer_mask&li->light_ptr->cull_mask) { + omni_indices[omni_count++]=li->light_index; + } + } + + if (li->light_ptr->type==VS::LIGHT_SPOT) { + if (spot_count<maxobj && e->instance->layer_mask&li->light_ptr->cull_mask) { + spot_indices[spot_count++]=li->light_index; + } + } + } + } + + state.scene_shader.set_uniform(SceneShaderGLES3::OMNI_LIGHT_COUNT,omni_count); + + if (omni_count) { + glUniform1iv(state.scene_shader.get_uniform(SceneShaderGLES3::OMNI_LIGHT_INDICES),omni_count,omni_indices); + } + + state.scene_shader.set_uniform(SceneShaderGLES3::SPOT_LIGHT_COUNT,spot_count); + if (spot_count) { + glUniform1iv(state.scene_shader.get_uniform(SceneShaderGLES3::SPOT_LIGHT_INDICES),spot_count,spot_indices); + } + + + int rc = e->instance->reflection_probe_instances.size(); + + + if (rc) { + + + const RID* reflections=e->instance->reflection_probe_instances.ptr(); + + for(int i=0;i<rc;i++) { + ReflectionProbeInstance *rpi=reflection_probe_instance_owner.getptr(reflections[i]); + if (rpi->last_pass!=render_pass) //not visible + continue; + + if (reflection_count<maxobj) { + reflection_indices[reflection_count++]=rpi->reflection_index; + } + } + } + + state.scene_shader.set_uniform(SceneShaderGLES3::REFLECTION_COUNT,reflection_count); + if (reflection_count) { + glUniform1iv(state.scene_shader.get_uniform(SceneShaderGLES3::REFLECTION_INDICES),reflection_count,reflection_indices); + } + + int gi_probe_count = e->instance->gi_probe_instances.size(); + if (gi_probe_count) { + const RID * ridp = e->instance->gi_probe_instances.ptr(); + + GIProbeInstance *gipi = gi_probe_instance_owner.getptr(ridp[0]); + + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-6); + glBindTexture(GL_TEXTURE_3D,gipi->tex_cache); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_XFORM1, gipi->transform_to_data * p_view_transform); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_BOUNDS1, gipi->bounds); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_MULTIPLIER1, gipi->probe?gipi->probe->dynamic_range*gipi->probe->energy:0.0); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_BLEND_AMBIENT1, gipi->probe?!gipi->probe->interior:false); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_CELL_SIZE1, gipi->cell_size_cache); + if (gi_probe_count>1) { + + GIProbeInstance *gipi2 = gi_probe_instance_owner.getptr(ridp[1]); + + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-7); + glBindTexture(GL_TEXTURE_3D,gipi2->tex_cache); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_XFORM2, gipi2->transform_to_data * p_view_transform); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_BOUNDS2, gipi2->bounds); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_CELL_SIZE2, gipi2->cell_size_cache); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_MULTIPLIER2, gipi2->probe?gipi2->probe->dynamic_range*gipi2->probe->energy:0.0); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE_BLEND_AMBIENT2, gipi2->probe?!gipi2->probe->interior:false); + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE2_ENABLED, true ); + } else { + + state.scene_shader.set_uniform(SceneShaderGLES3::GI_PROBE2_ENABLED, false ); + } + } +} + + +void RasterizerSceneGLES3::_setup_transform(InstanceBase *p_instance,const Transform& p_view_transform,const CameraMatrix& p_projection) { + + if (p_instance->billboard || p_instance->billboard_y || p_instance->depth_scale) { + + Transform xf=p_instance->transform; + if (p_instance->depth_scale) { + + if (p_projection.matrix[3][3]) { + //orthogonal matrix, try to do about the same + //with viewport size + //real_t w = Math::abs( 1.0/(2.0*(p_projection.matrix[0][0])) ); + real_t h = Math::abs( 1.0/(2.0*p_projection.matrix[1][1]) ); + float sc = (h*2.0); //consistent with Y-fov + xf.basis.scale( Vector3(sc,sc,sc)); + } else { + //just scale by depth + real_t sc = Plane(p_view_transform.origin,-p_view_transform.get_basis().get_axis(2)).distance_to(xf.origin); + xf.basis.scale( Vector3(sc,sc,sc)); + } + } + + if (p_instance->billboard && storage->frame.current_rt) { + + Vector3 scale = xf.basis.get_scale(); + + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { + xf.set_look_at(xf.origin, xf.origin + p_view_transform.get_basis().get_axis(2), -p_view_transform.get_basis().get_axis(1)); + } else { + xf.set_look_at(xf.origin, xf.origin + p_view_transform.get_basis().get_axis(2), p_view_transform.get_basis().get_axis(1)); + } + + xf.basis.scale(scale); + } + + if (p_instance->billboard_y && storage->frame.current_rt) { + + Vector3 scale = xf.basis.get_scale(); + Vector3 look_at = p_view_transform.get_origin(); + look_at.y = 0.0; + Vector3 look_at_norm = look_at.normalized(); + + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { + xf.set_look_at(xf.origin,xf.origin + look_at_norm, Vector3(0.0, -1.0, 0.0)); + } else { + xf.set_look_at(xf.origin,xf.origin + look_at_norm, Vector3(0.0, 1.0, 0.0)); + } + xf.basis.scale(scale); + } + state.scene_shader.set_uniform(SceneShaderGLES3::WORLD_TRANSFORM, xf); + + } else { + state.scene_shader.set_uniform(SceneShaderGLES3::WORLD_TRANSFORM, p_instance->transform); + } +} + +void RasterizerSceneGLES3::_set_cull(bool p_front,bool p_reverse_cull) { + + bool front = p_front; + if (p_reverse_cull) + front=!front; + + if (front!=state.cull_front) { + + glCullFace(front?GL_FRONT:GL_BACK); + state.cull_front=front; + } +} + + + +void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_element_count,const Transform& p_view_transform,const CameraMatrix& p_projection,GLuint p_base_env,bool p_reverse_cull,bool p_alpha_pass,bool p_shadow,bool p_directional_add,bool p_directional_shadows) { + + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { + //p_reverse_cull=!p_reverse_cull; + glFrontFace(GL_CCW); + } else { + glFrontFace(GL_CW); + } + + glBindBufferBase(GL_UNIFORM_BUFFER,0,state.scene_ubo); //bind globals ubo + + + if (!p_shadow && !p_directional_add) { + glBindBufferBase(GL_UNIFORM_BUFFER,2,state.env_radiance_ubo); //bind environment radiance info + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-1); + glBindTexture(GL_TEXTURE_2D,state.brdf_texture); + + if (p_base_env) { + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-2); + glBindTexture(GL_TEXTURE_2D,p_base_env); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_MAP,true); + } else { + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_MAP,false); + + } + } else { + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_MAP,false); + } + + + state.cull_front=false; + glCullFace(GL_BACK); + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_SKELETON,false); + + state.current_blend_mode=-1; + state.current_line_width=-1; + state.current_depth_draw=-1; + + RasterizerStorageGLES3::Material* prev_material=NULL; + RasterizerStorageGLES3::Geometry* prev_geometry=NULL; + VS::InstanceType prev_base_type = VS::INSTANCE_MAX; + + int current_blend_mode=-1; + + int prev_shading=-1; + RID prev_skeleton; + + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,true); //by default unshaded (easier to set) + + bool first=true; + + storage->info.render_object_count+=p_element_count; + + for (int i=0;i<p_element_count;i++) { + + RenderList::Element *e = p_elements[i]; + RasterizerStorageGLES3::Material* material= e->material; + RID skeleton = e->instance->skeleton; + + bool rebind=first; + + int shading = (e->sort_key>>RenderList::SORT_KEY_SHADING_SHIFT)&RenderList::SORT_KEY_SHADING_MASK; + + if (!p_shadow) { + + + + if (p_directional_add) { + if (e->sort_key&RenderList::SORT_KEY_UNSHADED_FLAG || !(e->instance->layer_mask&directional_light->light_ptr->cull_mask)) { + continue; + } + + shading&=~1; //ignore the ignore directional for base pass + } + + if (shading!=prev_shading) { + + if (e->sort_key&RenderList::SORT_KEY_UNSHADED_FLAG) { + + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,true); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_LIGHTING,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_LIGHT_DIRECTIONAL,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_DIRECTIONAL_SHADOW,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM4,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM2,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM_BLEND,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM_BLEND,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADOW_MODE_PCF_5,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADOW_MODE_PCF_13,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_GI_PROBES,false); + + + + //state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,true); + } else { + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_GI_PROBES,e->instance->gi_probe_instances.size()>0); + + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_LIGHTING,!p_directional_add); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_LIGHT_DIRECTIONAL,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_DIRECTIONAL_SHADOW,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM4,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM2,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM_BLEND,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADOW_MODE_PCF_5,shadow_filter_mode==SHADOW_FILTER_PCF5); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADOW_MODE_PCF_13,shadow_filter_mode==SHADOW_FILTER_PCF13); + + + if (p_directional_add || (directional_light && (e->sort_key&RenderList::SORT_KEY_NO_DIRECTIONAL_FLAG)==0)) { + state.scene_shader.set_conditional(SceneShaderGLES3::USE_LIGHT_DIRECTIONAL,true); + + if (p_directional_shadows && directional_light->light_ptr->shadow) { + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_DIRECTIONAL_SHADOW,true); + + switch(directional_light->light_ptr->directional_shadow_mode) { + case VS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL: break; //none + case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS: + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM2,true); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM_BLEND,directional_light->light_ptr->directional_blend_splits); + break; + case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS: + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM4,true); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM_BLEND,directional_light->light_ptr->directional_blend_splits); + break; + } + } + + } + + } + + + + rebind=true; + } + + + if (p_alpha_pass || p_directional_add) { + int desired_blend_mode; + if (p_directional_add) { + desired_blend_mode=RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_ADD; + } else { + desired_blend_mode=material->shader->spatial.blend_mode; + } + + if (desired_blend_mode!=current_blend_mode) { + + + switch(desired_blend_mode) { + + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MIX: { + glBlendEquation(GL_FUNC_ADD); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } + else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + } break; + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_ADD: { + + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(p_alpha_pass?GL_SRC_ALPHA:GL_ONE,GL_ONE); + + } break; + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_SUB: { + + glBlendEquation(GL_FUNC_REVERSE_SUBTRACT); + glBlendFunc(GL_SRC_ALPHA,GL_ONE); + } break; + case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MUL: { + glBlendEquation(GL_FUNC_ADD); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } + else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + } break; + + } + + current_blend_mode=desired_blend_mode; + } + + } + + + } + + if (prev_skeleton!=skeleton) { + if (prev_skeleton.is_valid() != skeleton.is_valid()) { + state.scene_shader.set_conditional(SceneShaderGLES3::USE_SKELETON,skeleton.is_valid()); + rebind=true; + } + if (skeleton.is_valid()) { + RasterizerStorageGLES3::Skeleton *sk = storage->skeleton_owner.getornull(skeleton); + if (sk->size) { + glBindBufferBase(GL_UNIFORM_BUFFER,7,sk->ubo); + } + } + } + + if ((prev_base_type==VS::INSTANCE_MULTIMESH) != (e->instance->base_type==VS::INSTANCE_MULTIMESH)) { + state.scene_shader.set_conditional(SceneShaderGLES3::USE_INSTANCING,e->instance->base_type==VS::INSTANCE_MULTIMESH); + rebind=true; + } + + if (material!=prev_material || rebind) { + + storage->info.render_material_switch_count++; + + rebind = _setup_material(material,p_alpha_pass); + + if (rebind) { + storage->info.render_shader_rebind_count++; + } + } + + if (!(e->sort_key&RenderList::SORT_KEY_UNSHADED_FLAG) && !p_directional_add && !p_shadow) { + _setup_light(e,p_view_transform); + + } + + + if (prev_base_type != e->instance->base_type || prev_geometry!=e->geometry) { + + _setup_geometry(e); + storage->info.render_surface_switch_count++; + + } + + _set_cull(e->sort_key&RenderList::SORT_KEY_MIRROR_FLAG,p_reverse_cull); + + state.scene_shader.set_uniform(SceneShaderGLES3::NORMAL_MULT, e->instance->mirror?-1.0:1.0); + + _setup_transform(e->instance,p_view_transform,p_projection); + + _render_geometry(e); + + prev_material=material; + prev_base_type=e->instance->base_type; + prev_geometry=e->geometry; + prev_shading=shading; + prev_skeleton=skeleton; + first=false; + + } + + + + glFrontFace(GL_CW); + glBindVertexArray(0); + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_INSTANCING,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_SKELETON,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_MAP,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_LIGHTING,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_LIGHT_DIRECTIONAL,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_DIRECTIONAL_SHADOW,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM4,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM2,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM_BLEND,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADOW_MODE_PCF_5,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADOW_MODE_PCF_13,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_GI_PROBES,false); + +} + + +void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_geometry, InstanceBase *p_instance, RasterizerStorageGLES3::GeometryOwner *p_owner,int p_material,bool p_shadow) { + + RasterizerStorageGLES3::Material *m=NULL; + RID m_src=p_instance->material_override.is_valid() ? p_instance->material_override :(p_material>=0?p_instance->materials[p_material]:p_geometry->material); + + +/* +#ifdef DEBUG_ENABLED + if (current_debug==VS::SCENARIO_DEBUG_OVERDRAW) { + m_src=overdraw_material; + } + +#endif +*/ + + if (m_src.is_valid()) { + m=storage->material_owner.getornull( m_src ); + + if (!m->shader) { + m=NULL; + } + } + + if (!m) { + m=storage->material_owner.getptr( default_material ); + } + + ERR_FAIL_COND(!m); + + + + bool has_base_alpha=(m->shader->spatial.uses_alpha); + bool has_blend_alpha=m->shader->spatial.blend_mode!=RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MIX || m->shader->spatial.ontop; + bool has_alpha = has_base_alpha || has_blend_alpha; + bool shadow = false; + + bool mirror = p_instance->mirror; + + if (m->shader->spatial.cull_mode==RasterizerStorageGLES3::Shader::Spatial::CULL_MODE_FRONT) { + mirror=!mirror; + } + + if (m->shader->spatial.uses_sss) { + state.used_sss=true; + } + + if (p_shadow) { + + if (has_blend_alpha || (has_base_alpha && m->shader->spatial.depth_draw_mode!=RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS)) + return; //bye + + if (!m->shader->spatial.uses_vertex && !m->shader->spatial.uses_discard && m->shader->spatial.depth_draw_mode!=RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS) { + //shader does not use discard and does not write a vertex position, use generic material + if (p_instance->cast_shadows == VS::SHADOW_CASTING_SETTING_DOUBLE_SIDED) + m = storage->material_owner.getptr(default_material_twosided); + else + m = storage->material_owner.getptr(default_material); + } + + has_alpha=false; + + } + + + + RenderList::Element *e = has_alpha ? render_list.add_alpha_element() : render_list.add_element(); + + if (!e) + return; + + e->geometry=p_geometry; + e->material=m; + e->instance=p_instance; + e->owner=p_owner; + e->sort_key=0; + + if (e->geometry->last_pass!=render_pass) { + e->geometry->last_pass=render_pass; + e->geometry->index=current_geometry_index++; + } + + if (!p_shadow && directional_light && (directional_light->light_ptr->cull_mask&e->instance->layer_mask)==0) { + e->sort_key|=RenderList::SORT_KEY_NO_DIRECTIONAL_FLAG; + } + + e->sort_key|=uint64_t(e->geometry->index)<<RenderList::SORT_KEY_GEOMETRY_INDEX_SHIFT; + e->sort_key|=uint64_t(e->instance->base_type)<<RenderList::SORT_KEY_GEOMETRY_TYPE_SHIFT; + + if (!p_shadow) { + + + if (e->material->last_pass!=render_pass) { + e->material->last_pass=render_pass; + e->material->index=current_material_index++; + } + + e->sort_key|=uint64_t(e->material->index)<<RenderList::SORT_KEY_MATERIAL_INDEX_SHIFT; + e->sort_key|=uint64_t(e->instance->depth_layer)<<RenderList::SORT_KEY_DEPTH_LAYER_SHIFT; + + if (!has_blend_alpha && has_alpha && m->shader->spatial.depth_draw_mode==RasterizerStorageGLES3::Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS) { + + //if nothing exists, add this element as opaque too + RenderList::Element *oe = render_list.add_element(); + + if (!oe) + return; + + copymem(oe,e,sizeof(RenderList::Element)); + } + + if (e->instance->gi_probe_instances.size()) { + e->sort_key|=RenderList::SORT_KEY_GI_PROBES_FLAG; + } + } + + //if (e->geometry->type==RasterizerStorageGLES3::Geometry::GEOMETRY_MULTISURFACE) + // e->sort_flags|=RenderList::SORT_FLAG_INSTANCING; + + + if (mirror) { + e->sort_key|=RenderList::SORT_KEY_MIRROR_FLAG; + } + + //e->light_type=0xFF; // no lights! + + if (shadow || m->shader->spatial.unshaded /*|| current_debug==VS::SCENARIO_DEBUG_SHADELESS*/) { + + e->sort_key|=RenderList::SORT_KEY_UNSHADED_FLAG; + } +} + +void RasterizerSceneGLES3::_draw_skybox(RasterizerStorageGLES3::SkyBox *p_skybox,const CameraMatrix& p_projection,const Transform& p_transform,bool p_vflip,float p_scale) { + + if (!p_skybox) + return; + + RasterizerStorageGLES3::Texture *tex = storage->texture_owner.getornull(p_skybox->cubemap); + + ERR_FAIL_COND(!tex); + glActiveTexture(GL_TEXTURE0); + glBindTexture(tex->target,tex->tex_id); + + + if (storage->config.srgb_decode_supported && tex->srgb && !tex->using_srgb) { + + glTexParameteri(tex->target,_TEXTURE_SRGB_DECODE_EXT,_DECODE_EXT); + tex->using_srgb=true; +#ifdef TOOLS_ENABLED + if (!(tex->flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)) { + tex->flags|=VS::TEXTURE_FLAG_CONVERT_TO_LINEAR; + //notify that texture must be set to linear beforehand, so it works in other platforms when exported + } +#endif + } + + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1,1,1,1); + + float flip_sign = p_vflip?-1:1; + + Vector3 vertices[8]={ + Vector3(-1,-1*flip_sign,1), + Vector3( 0, 1, 0), + Vector3( 1,-1*flip_sign,1), + Vector3( 1, 1, 0), + Vector3( 1, 1*flip_sign,1), + Vector3( 1, 0, 0), + Vector3(-1, 1*flip_sign,1), + Vector3( 0, 0, 0) + + }; + + + + //skybox uv vectors + float vw,vh,zn; + p_projection.get_viewport_size(vw,vh); + zn=p_projection.get_z_near(); + + float scale=p_scale; + + for(int i=0;i<4;i++) { + + Vector3 uv=vertices[i*2+1]; + uv.x=(uv.x*2.0-1.0)*vw*scale; + uv.y=-(uv.y*2.0-1.0)*vh*scale; + uv.z=-zn; + vertices[i*2+1] = p_transform.basis.xform(uv).normalized(); + vertices[i*2+1].z = -vertices[i*2+1].z; + } + + glBindBuffer(GL_ARRAY_BUFFER,state.skybox_verts); + glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(Vector3)*8,vertices); + glBindBuffer(GL_ARRAY_BUFFER,0); //unbind + + glBindVertexArray(state.skybox_array); + + storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_CUBEMAP,true); + storage->shaders.copy.bind(); + + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + glBindVertexArray(0); + glColorMask(1,1,1,1); + + storage->shaders.copy.set_conditional(CopyShaderGLES3::USE_CUBEMAP,false); + +} + + +void RasterizerSceneGLES3::_setup_environment(Environment *env,const CameraMatrix& p_cam_projection,const Transform& p_cam_transform) { + + + //store camera into ubo + store_camera(p_cam_projection,state.ubo_data.projection_matrix); + store_transform(p_cam_transform,state.ubo_data.camera_matrix); + store_transform(p_cam_transform.affine_inverse(),state.ubo_data.camera_inverse_matrix); + + //time global variables + for(int i=0;i<4;i++) { + state.ubo_data.time[i]=storage->frame.time[i]; + } + + //bg and ambient + if (env) { + state.ubo_data.bg_energy=env->bg_energy; + state.ubo_data.ambient_energy=env->ambient_energy; + Color linear_ambient_color = env->ambient_color.to_linear(); + state.ubo_data.ambient_light_color[0]=linear_ambient_color.r; + state.ubo_data.ambient_light_color[1]=linear_ambient_color.g; + state.ubo_data.ambient_light_color[2]=linear_ambient_color.b; + state.ubo_data.ambient_light_color[3]=linear_ambient_color.a; + + Color bg_color; + + switch(env->bg_mode) { + case VS::ENV_BG_CLEAR_COLOR: { + bg_color=storage->frame.clear_request_color.to_linear(); + } break; + case VS::ENV_BG_COLOR: { + bg_color=env->bg_color.to_linear(); + } break; + default: { + bg_color=Color(0,0,0,1); + } break; + } + + state.ubo_data.bg_color[0]=bg_color.r; + state.ubo_data.bg_color[1]=bg_color.g; + state.ubo_data.bg_color[2]=bg_color.b; + state.ubo_data.bg_color[3]=bg_color.a; + + state.env_radiance_data.ambient_contribution=env->ambient_skybox_contribution; + state.ubo_data.ambient_occlusion_affect_light=env->ssao_light_affect; + } else { + state.ubo_data.bg_energy=1.0; + state.ubo_data.ambient_energy=1.0; + //use from clear color instead, since there is no ambient + Color linear_ambient_color = storage->frame.clear_request_color.to_linear(); + state.ubo_data.ambient_light_color[0]=linear_ambient_color.r; + state.ubo_data.ambient_light_color[1]=linear_ambient_color.g; + state.ubo_data.ambient_light_color[2]=linear_ambient_color.b; + state.ubo_data.ambient_light_color[3]=linear_ambient_color.a; + + state.ubo_data.bg_color[0]=linear_ambient_color.r; + state.ubo_data.bg_color[1]=linear_ambient_color.g; + state.ubo_data.bg_color[2]=linear_ambient_color.b; + state.ubo_data.bg_color[3]=linear_ambient_color.a; + + state.env_radiance_data.ambient_contribution=0; + state.ubo_data.ambient_occlusion_affect_light=0; + + } + + { + //directional shadow + + state.ubo_data.shadow_directional_pixel_size[0]=1.0/directional_shadow.size; + state.ubo_data.shadow_directional_pixel_size[1]=1.0/directional_shadow.size; + + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-4); + glBindTexture(GL_TEXTURE_2D,directional_shadow.depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS); + } + + + + glBindBuffer(GL_UNIFORM_BUFFER, state.scene_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0,sizeof(State::SceneDataUBO), &state.ubo_data); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + //fill up environment + + store_transform(p_cam_transform,state.env_radiance_data.transform); + + + glBindBuffer(GL_UNIFORM_BUFFER, state.env_radiance_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0,sizeof(State::EnvironmentRadianceUBO), &state.env_radiance_data); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + +} + +void RasterizerSceneGLES3::_setup_directional_light(int p_index,const Transform& p_camera_inverse_transform,bool p_use_shadows) { + + LightInstance *li = directional_lights[p_index]; + + LightDataUBO ubo_data; //used for filling + + float sign = li->light_ptr->negative?-1:1; + + Color linear_col = li->light_ptr->color.to_linear(); + ubo_data.light_color_energy[0]=linear_col.r*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[1]=linear_col.g*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[2]=linear_col.b*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[3]=0; + + //omni, keep at 0 + ubo_data.light_pos_inv_radius[0]=0.0; + ubo_data.light_pos_inv_radius[1]=0.0; + ubo_data.light_pos_inv_radius[2]=0.0; + ubo_data.light_pos_inv_radius[3]=0.0; + + Vector3 direction = p_camera_inverse_transform.basis.xform(li->transform.basis.xform(Vector3(0,0,-1))).normalized(); + ubo_data.light_direction_attenuation[0]=direction.x; + ubo_data.light_direction_attenuation[1]=direction.y; + ubo_data.light_direction_attenuation[2]=direction.z; + ubo_data.light_direction_attenuation[3]=1.0; + + ubo_data.light_params[0]=0; + ubo_data.light_params[1]=li->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; + ubo_data.light_params[2]=0; + ubo_data.light_params[3]=0; + + Color shadow_color = li->light_ptr->shadow_color.to_linear(); + ubo_data.light_shadow_color[0]=shadow_color.r; + ubo_data.light_shadow_color[1]=shadow_color.g; + ubo_data.light_shadow_color[2]=shadow_color.b; + ubo_data.light_shadow_color[3]=1.0; + + + if (p_use_shadows && li->light_ptr->shadow) { + + int shadow_count=0; + + switch(li->light_ptr->directional_shadow_mode) { + case VS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL: { + shadow_count=1; + } break; + case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS: { + shadow_count=2; + } break; + case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS: { + shadow_count=4; + } break; + + } + + for(int j=0;j<shadow_count;j++) { + + + uint32_t x=li->directional_rect.pos.x; + uint32_t y=li->directional_rect.pos.y; + uint32_t width=li->directional_rect.size.x; + uint32_t height=li->directional_rect.size.y; + + + + if (li->light_ptr->directional_shadow_mode==VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS) { + + + width/=2; + height/=2; + + if (j==0) { + + } else if (j==1) { + x+=width; + } else if (j==2) { + y+=height; + } else if (j==3) { + x+=width; + y+=height; + + } + + + + } else if (li->light_ptr->directional_shadow_mode==VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS) { + + height/=2; + + if (j==0) { + + } else { + y+=height; + } + + } + + ubo_data.shadow_split_offsets[j]=1.0/li->shadow_transform[j].split; + + Transform modelview = (p_camera_inverse_transform * li->shadow_transform[j].transform).inverse(); + + CameraMatrix bias; + bias.set_light_bias(); + CameraMatrix rectm; + Rect2 atlas_rect = Rect2(float(x)/directional_shadow.size,float(y)/directional_shadow.size,float(width)/directional_shadow.size,float(height)/directional_shadow.size); + rectm.set_light_atlas_rect(atlas_rect); + + + CameraMatrix shadow_mtx = rectm * bias * li->shadow_transform[j].camera * modelview; + + store_camera(shadow_mtx,&ubo_data.shadow_matrix1[16*j]); + + ubo_data.light_clamp[0]=atlas_rect.pos.x; + ubo_data.light_clamp[1]=atlas_rect.pos.y; + ubo_data.light_clamp[2]=atlas_rect.size.x; + ubo_data.light_clamp[3]=atlas_rect.size.y; + + } + + } + + glBindBuffer(GL_UNIFORM_BUFFER, state.directional_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(LightDataUBO), &ubo_data); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + directional_light=li; + + glBindBufferBase(GL_UNIFORM_BUFFER,3,state.directional_ubo); + +} + +void RasterizerSceneGLES3::_setup_lights(RID *p_light_cull_result,int p_light_cull_count,const Transform& p_camera_inverse_transform,const CameraMatrix& p_camera_projection,RID p_shadow_atlas) { + + + state.omni_light_count=0; + state.spot_light_count=0; + state.directional_light_count=0; + + directional_light=NULL; + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); + + + for(int i=0;i<p_light_cull_count;i++) { + + ERR_BREAK( i>=RenderList::MAX_LIGHTS ); + + LightInstance *li = light_instance_owner.getptr(p_light_cull_result[i]); + + LightDataUBO ubo_data; //used for filling + + switch(li->light_ptr->type) { + + case VS::LIGHT_DIRECTIONAL: { + + if (state.directional_light_count<RenderList::MAX_DIRECTIONAL_LIGHTS) { + directional_lights[state.directional_light_count++]=li; + } + + + } break; + case VS::LIGHT_OMNI: { + + float sign = li->light_ptr->negative?-1:1; + + Color linear_col = li->light_ptr->color.to_linear(); + ubo_data.light_color_energy[0]=linear_col.r*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[1]=linear_col.g*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[2]=linear_col.b*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[3]=0; + + + Vector3 pos = p_camera_inverse_transform.xform(li->transform.origin); + + //directional, keep at 0 + ubo_data.light_pos_inv_radius[0]=pos.x; + ubo_data.light_pos_inv_radius[1]=pos.y; + ubo_data.light_pos_inv_radius[2]=pos.z; + ubo_data.light_pos_inv_radius[3]=1.0/MAX(0.001,li->light_ptr->param[VS::LIGHT_PARAM_RANGE]); + + ubo_data.light_direction_attenuation[0]=0; + ubo_data.light_direction_attenuation[1]=0; + ubo_data.light_direction_attenuation[2]=0; + ubo_data.light_direction_attenuation[3]=li->light_ptr->param[VS::LIGHT_PARAM_ATTENUATION]; + + ubo_data.light_params[0]=0; + ubo_data.light_params[1]=0; + ubo_data.light_params[2]=li->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; + ubo_data.light_params[3]=0; + + Color shadow_color = li->light_ptr->shadow_color.to_linear(); + ubo_data.light_shadow_color[0]=shadow_color.r; + ubo_data.light_shadow_color[1]=shadow_color.g; + ubo_data.light_shadow_color[2]=shadow_color.b; + ubo_data.light_shadow_color[3]=1.0; + + if (li->light_ptr->shadow && shadow_atlas && shadow_atlas->shadow_owners.has(li->self)) { + // fill in the shadow information + + uint32_t key = shadow_atlas->shadow_owners[li->self]; + + uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT)&0x3; + uint32_t shadow = key & ShadowAtlas::SHADOW_INDEX_MASK; + + ERR_CONTINUE(shadow>=shadow_atlas->quadrants[quadrant].shadows.size()); + + uint32_t atlas_size = shadow_atlas->size; + uint32_t quadrant_size = atlas_size>>1; + + uint32_t x=(quadrant&1)*quadrant_size; + uint32_t y=(quadrant>>1)*quadrant_size; + + uint32_t shadow_size = (quadrant_size / shadow_atlas->quadrants[quadrant].subdivision); + x+=(shadow % shadow_atlas->quadrants[quadrant].subdivision) * shadow_size; + y+=(shadow / shadow_atlas->quadrants[quadrant].subdivision) * shadow_size; + + uint32_t width=shadow_size; + uint32_t height=shadow_size; + + + if (li->light_ptr->omni_shadow_detail==VS::LIGHT_OMNI_SHADOW_DETAIL_HORIZONTAL) { + + height/=2; + } else { + width/=2; + + } + + Transform proj = (p_camera_inverse_transform * li->transform).inverse(); + + store_transform(proj,ubo_data.shadow_matrix1); + + ubo_data.light_params[3]=1.0; //means it has shadow + ubo_data.light_clamp[0]=float(x)/atlas_size; + ubo_data.light_clamp[1]=float(y)/atlas_size; + ubo_data.light_clamp[2]=float(width)/atlas_size; + ubo_data.light_clamp[3]=float(height)/atlas_size; + + } + + + li->light_index=state.omni_light_count; + copymem(&state.omni_array_tmp[li->light_index*state.ubo_light_size],&ubo_data,state.ubo_light_size); + state.omni_light_count++; + + + +#if 0 + if (li->light_ptr->shadow_enabled) { + li->shadow_projection[0] = Transform(camera_transform_inverse * li->transform).inverse(); + lights_use_shadow=true; + } +#endif + } break; + case VS::LIGHT_SPOT: { + + float sign = li->light_ptr->negative?-1:1; + + Color linear_col = li->light_ptr->color.to_linear(); + ubo_data.light_color_energy[0]=linear_col.r*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[1]=linear_col.g*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[2]=linear_col.b*sign*li->light_ptr->param[VS::LIGHT_PARAM_ENERGY];; + ubo_data.light_color_energy[3]=0; + + Vector3 pos = p_camera_inverse_transform.xform(li->transform.origin); + + //directional, keep at 0 + ubo_data.light_pos_inv_radius[0]=pos.x; + ubo_data.light_pos_inv_radius[1]=pos.y; + ubo_data.light_pos_inv_radius[2]=pos.z; + ubo_data.light_pos_inv_radius[3]=1.0/MAX(0.001,li->light_ptr->param[VS::LIGHT_PARAM_RANGE]); + + Vector3 direction = p_camera_inverse_transform.basis.xform(li->transform.basis.xform(Vector3(0,0,-1))).normalized(); + ubo_data.light_direction_attenuation[0]=direction.x; + ubo_data.light_direction_attenuation[1]=direction.y; + ubo_data.light_direction_attenuation[2]=direction.z; + ubo_data.light_direction_attenuation[3]=li->light_ptr->param[VS::LIGHT_PARAM_ATTENUATION]; + + ubo_data.light_params[0]=li->light_ptr->param[VS::LIGHT_PARAM_SPOT_ATTENUATION]; + ubo_data.light_params[1]=Math::cos(Math::deg2rad(li->light_ptr->param[VS::LIGHT_PARAM_SPOT_ANGLE])); + ubo_data.light_params[2]=li->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; + ubo_data.light_params[3]=0; + + Color shadow_color = li->light_ptr->shadow_color.to_linear(); + ubo_data.light_shadow_color[0]=shadow_color.r; + ubo_data.light_shadow_color[1]=shadow_color.g; + ubo_data.light_shadow_color[2]=shadow_color.b; + ubo_data.light_shadow_color[3]=1.0; + + if (li->light_ptr->shadow && shadow_atlas && shadow_atlas->shadow_owners.has(li->self)) { + // fill in the shadow information + + uint32_t key = shadow_atlas->shadow_owners[li->self]; + + uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT)&0x3; + uint32_t shadow = key & ShadowAtlas::SHADOW_INDEX_MASK; + + ERR_CONTINUE(shadow>=shadow_atlas->quadrants[quadrant].shadows.size()); + + uint32_t atlas_size = shadow_atlas->size; + uint32_t quadrant_size = atlas_size>>1; + + uint32_t x=(quadrant&1)*quadrant_size; + uint32_t y=(quadrant>>1)*quadrant_size; + + uint32_t shadow_size = (quadrant_size / shadow_atlas->quadrants[quadrant].subdivision); + x+=(shadow % shadow_atlas->quadrants[quadrant].subdivision) * shadow_size; + y+=(shadow / shadow_atlas->quadrants[quadrant].subdivision) * shadow_size; + + uint32_t width=shadow_size; + uint32_t height=shadow_size; + + Rect2 rect(float(x)/atlas_size,float(y)/atlas_size,float(width)/atlas_size,float(height)/atlas_size); + + ubo_data.light_params[3]=1.0; //means it has shadow + ubo_data.light_clamp[0]=rect.pos.x; + ubo_data.light_clamp[1]=rect.pos.y; + ubo_data.light_clamp[2]=rect.size.x; + ubo_data.light_clamp[3]=rect.size.y; + + Transform modelview = (p_camera_inverse_transform * li->transform).inverse(); + + CameraMatrix bias; + bias.set_light_bias(); + CameraMatrix rectm; + rectm.set_light_atlas_rect(rect); + + CameraMatrix shadow_mtx = rectm * bias * li->shadow_transform[0].camera * modelview; + + store_camera(shadow_mtx,ubo_data.shadow_matrix1); + + + } + + li->light_index=state.spot_light_count; + copymem(&state.spot_array_tmp[li->light_index*state.ubo_light_size],&ubo_data,state.ubo_light_size); + state.spot_light_count++; + +#if 0 + if (li->light_ptr->shadow_enabled) { + CameraMatrix bias; + bias.set_light_bias(); + Transform modelview=Transform(camera_transform_inverse * li->transform).inverse(); + li->shadow_projection[0] = bias * li->projection * modelview; + lights_use_shadow=true; + } +#endif + } break; + + } + + + li->last_pass=render_pass; + + //update UBO for forward rendering, blit to texture for clustered + + } + + + + if (state.omni_light_count) { + + glBindBuffer(GL_UNIFORM_BUFFER, state.omni_array_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0, state.omni_light_count*state.ubo_light_size, state.omni_array_tmp); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + glBindBufferBase(GL_UNIFORM_BUFFER,4,state.omni_array_ubo); + } + + if (state.spot_light_count) { + + glBindBuffer(GL_UNIFORM_BUFFER, state.spot_array_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0, state.spot_light_count*state.ubo_light_size, state.spot_array_tmp); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + glBindBufferBase(GL_UNIFORM_BUFFER,5,state.spot_array_ubo); + } + + + +} + +void RasterizerSceneGLES3::_setup_reflections(RID *p_reflection_probe_cull_result,int p_reflection_probe_cull_count,const Transform& p_camera_inverse_transform,const CameraMatrix& p_camera_projection,RID p_reflection_atlas,Environment *p_env) { + + state.reflection_probe_count=0; + + for(int i=0;i<p_reflection_probe_cull_count;i++) { + + ReflectionProbeInstance *rpi=reflection_probe_instance_owner.getornull(p_reflection_probe_cull_result[i]); + ERR_CONTINUE(!rpi); + + ReflectionAtlas *reflection_atlas=reflection_atlas_owner.getornull(p_reflection_atlas); + ERR_CONTINUE(!reflection_atlas); + + ERR_CONTINUE(rpi->reflection_atlas_index<0); + + + if (state.reflection_probe_count>=state.max_ubo_reflections) + break; + + rpi->last_pass=render_pass; + + + ReflectionProbeDataUBO reflection_ubo; + + reflection_ubo.box_extents[0]=rpi->probe_ptr->extents.x; + reflection_ubo.box_extents[1]=rpi->probe_ptr->extents.y; + reflection_ubo.box_extents[2]=rpi->probe_ptr->extents.z; + reflection_ubo.box_extents[3]=0; + + + + reflection_ubo.box_ofs[0]=rpi->probe_ptr->origin_offset.x; + reflection_ubo.box_ofs[1]=rpi->probe_ptr->origin_offset.y; + reflection_ubo.box_ofs[2]=rpi->probe_ptr->origin_offset.z; + reflection_ubo.box_ofs[3]=0; + + reflection_ubo.params[0]=rpi->probe_ptr->intensity; + reflection_ubo.params[1]=0; + reflection_ubo.params[2]=rpi->probe_ptr->interior?1.0:0.0; + reflection_ubo.params[3]=rpi->probe_ptr->box_projection?1.0:0.0; + + if (rpi->probe_ptr->interior) { + Color ambient_linear = rpi->probe_ptr->interior_ambient.to_linear(); + reflection_ubo.ambient[0]=ambient_linear.r*rpi->probe_ptr->interior_ambient_energy; + reflection_ubo.ambient[1]=ambient_linear.g*rpi->probe_ptr->interior_ambient_energy; + reflection_ubo.ambient[2]=ambient_linear.b*rpi->probe_ptr->interior_ambient_energy; + reflection_ubo.ambient[3]=rpi->probe_ptr->interior_ambient_probe_contrib; + } else { + Color ambient_linear; + float contrib=0; + if (p_env) { + ambient_linear=p_env->ambient_color.to_linear(); + ambient_linear.r*=p_env->ambient_energy; + ambient_linear.g*=p_env->ambient_energy; + ambient_linear.b*=p_env->ambient_energy; + contrib=p_env->ambient_skybox_contribution; + } + + reflection_ubo.ambient[0]=ambient_linear.r; + reflection_ubo.ambient[1]=ambient_linear.g; + reflection_ubo.ambient[2]=ambient_linear.b; + reflection_ubo.ambient[3]=0; + } + + int cell_size = reflection_atlas->size / reflection_atlas->subdiv; + int x = (rpi->reflection_atlas_index % reflection_atlas->subdiv) * cell_size; + int y = (rpi->reflection_atlas_index / reflection_atlas->subdiv) * cell_size; + int width=cell_size; + int height=cell_size; + + reflection_ubo.atlas_clamp[0]=float(x)/reflection_atlas->size; + reflection_ubo.atlas_clamp[1]=float(y)/reflection_atlas->size; + reflection_ubo.atlas_clamp[2]=float(width)/reflection_atlas->size; + reflection_ubo.atlas_clamp[3]=float(height/2)/reflection_atlas->size; + + Transform proj = (p_camera_inverse_transform * rpi->transform).inverse(); + store_transform(proj,reflection_ubo.local_matrix); + + rpi->reflection_index=state.reflection_probe_count; + copymem(&state.reflection_array_tmp[rpi->reflection_index*sizeof(ReflectionProbeDataUBO)],&reflection_ubo,sizeof(ReflectionProbeDataUBO)); + state.reflection_probe_count++; + + } + + + if (state.reflection_probe_count) { + + + glBindBuffer(GL_UNIFORM_BUFFER, state.reflection_array_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0, state.reflection_probe_count*sizeof(ReflectionProbeDataUBO), state.reflection_array_tmp); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + glBindBufferBase(GL_UNIFORM_BUFFER,6,state.reflection_array_ubo); + } + +} + + +void RasterizerSceneGLES3::_copy_screen() { + + glBindVertexArray( storage->resources.quadie_array); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + glBindVertexArray(0); + +} + +void RasterizerSceneGLES3::_copy_to_front_buffer(Environment *env) { + + //copy to front buffer + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1,1,1,1); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->buffers.diffuse); + + storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA,true); + + if (!env) { + //no environment, simply convert from linear to srgb + storage->shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB,true); + } else { + storage->shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB,true); + + } + + storage->shaders.copy.bind(); + + _copy_screen(); + + + //turn off everything used + storage->shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB,false); + storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA,false); + + +} + +void RasterizerSceneGLES3::_copy_texture_to_front_buffer(GLuint p_texture) { + + //copy to front buffer + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1,1,1,1); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,p_texture); + + glViewport(0,0,storage->frame.current_rt->width*0.5,storage->frame.current_rt->height*0.5); + + storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA,true); + storage->shaders.copy.bind(); + + _copy_screen(); + + //turn off everything used + storage->shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB,false); + storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA,false); + + +} + +void RasterizerSceneGLES3::_fill_render_list(InstanceBase** p_cull_result,int p_cull_count,bool p_shadow){ + + current_geometry_index=0; + current_material_index=0; + state.used_sss=false; + + //fill list + + for(int i=0;i<p_cull_count;i++) { + + InstanceBase *inst = p_cull_result[i]; + switch(inst->base_type) { + + case VS::INSTANCE_MESH: { + + RasterizerStorageGLES3::Mesh *mesh = storage->mesh_owner.getptr(inst->base); + ERR_CONTINUE(!mesh); + + int ssize = mesh->surfaces.size(); + + for (int i=0;i<ssize;i++) { + + int mat_idx = inst->materials[i].is_valid() ? i : -1; + RasterizerStorageGLES3::Surface *s = mesh->surfaces[i]; + _add_geometry(s,inst,NULL,mat_idx,p_shadow); + } + + //mesh->last_pass=frame; + + } break; + case VS::INSTANCE_MULTIMESH: { + + RasterizerStorageGLES3::MultiMesh *multi_mesh = storage->multimesh_owner.getptr(inst->base); + ERR_CONTINUE(!multi_mesh); + + if (multi_mesh->size==0 || multi_mesh->visible_instances==0) + continue; + + RasterizerStorageGLES3::Mesh *mesh = storage->mesh_owner.getptr(multi_mesh->mesh); + if (!mesh) + continue; //mesh not assigned + + int ssize = mesh->surfaces.size(); + + for (int i=0;i<ssize;i++) { + + RasterizerStorageGLES3::Surface *s = mesh->surfaces[i]; + _add_geometry(s,inst,multi_mesh,-1,p_shadow); + } + + } break; + case VS::INSTANCE_IMMEDIATE: { + + } break; + + } + } +} + + +void RasterizerSceneGLES3::_render_mrts(Environment *env,const CameraMatrix &p_cam_projection) { + + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + + + if (env->ssao_enabled) { + //copy diffuse to front buffer + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo); + glReadBuffer(GL_COLOR_ATTACHMENT0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + + //copy from depth, convert to linear + GLint ss[2]; + ss[0]=storage->frame.current_rt->width; + ss[1]=storage->frame.current_rt->height; + + for(int i=0;i<storage->frame.current_rt->effects.ssao.depth_mipmap_fbos.size();i++) { + + state.ssao_minify_shader.set_conditional(SsaoMinifyShaderGLES3::MINIFY_START,i==0); + state.ssao_minify_shader.bind(); + state.ssao_minify_shader.set_uniform(SsaoMinifyShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + state.ssao_minify_shader.set_uniform(SsaoMinifyShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + state.ssao_minify_shader.set_uniform(SsaoMinifyShaderGLES3::SOURCE_MIPMAP,MAX(0,i-1)); + glUniform2iv(state.ssao_minify_shader.get_uniform(SsaoMinifyShaderGLES3::FROM_SIZE),1,ss); + ss[0]>>=1; + ss[1]>>=1; + + glActiveTexture(GL_TEXTURE0); + if (i==0) { + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + } else { + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.ssao.linear_depth); + } + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.ssao.depth_mipmap_fbos[i]); //copy to front first + glViewport(0,0,ss[0],ss[1]); + + _copy_screen(); + + } + ss[0]=storage->frame.current_rt->width; + ss[1]=storage->frame.current_rt->height; + + glViewport(0,0,ss[0],ss[1]); + + + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_GREATER); + // do SSAO! + state.ssao_shader.set_conditional(SsaoShaderGLES3::ENABLE_RADIUS2,env->ssao_radius2>0.001); + state.ssao_shader.bind(); + state.ssao_shader.set_uniform(SsaoShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + state.ssao_shader.set_uniform(SsaoShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + glUniform2iv(state.ssao_shader.get_uniform(SsaoShaderGLES3::SCREEN_SIZE),1,ss); + float radius = env->ssao_radius; + state.ssao_shader.set_uniform(SsaoShaderGLES3::RADIUS,radius); + float intensity = env->ssao_intensity; + state.ssao_shader.set_uniform(SsaoShaderGLES3::INTENSITY_DIV_R6,intensity / pow(radius, 6.0f)); + + if (env->ssao_radius2>0.001) { + + float radius2 = env->ssao_radius2; + state.ssao_shader.set_uniform(SsaoShaderGLES3::RADIUS2,radius2); + float intensity2 = env->ssao_intensity2; + state.ssao_shader.set_uniform(SsaoShaderGLES3::INTENSITY_DIV_R62,intensity2 / pow(radius2, 6.0f)); + + } + + float proj_info[4]={ + -2.0f / (ss[0]*p_cam_projection.matrix[0][0]), + -2.0f / (ss[1]*p_cam_projection.matrix[1][1]), + ( 1.0f - p_cam_projection.matrix[0][2]) / p_cam_projection.matrix[0][0], + ( 1.0f + p_cam_projection.matrix[1][2]) / p_cam_projection.matrix[1][1] + }; + + glUniform4fv(state.ssao_shader.get_uniform(SsaoShaderGLES3::PROJ_INFO),1,proj_info); + float pixels_per_meter = float(p_cam_projection.get_pixels_per_meter(ss[0])); + + state.ssao_shader.set_uniform(SsaoShaderGLES3::PROJ_SCALE,pixels_per_meter); + state.ssao_shader.set_uniform(SsaoShaderGLES3::BIAS,env->ssao_bias); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.ssao.linear_depth); + glActiveTexture(GL_TEXTURE2); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->buffers.effect); + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.ssao.blur_fbo[0]); //copy to front first + Color white(1,1,1,1); + glClearBufferfv(GL_COLOR,0,white.components); // specular + + _copy_screen(); + + //do the batm, i mean blur + + state.ssao_blur_shader.bind(); + + if (env->ssao_filter) { + for(int i=0;i<2;i++) { + + state.ssao_blur_shader.set_uniform(SsaoBlurShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + state.ssao_blur_shader.set_uniform(SsaoBlurShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + GLint axis[2]={i,1-i}; + glUniform2iv(state.ssao_blur_shader.get_uniform(SsaoBlurShaderGLES3::AXIS),1,axis); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.ssao.blur_red[i]); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.ssao.blur_fbo[1-i]); + if (i==0) { + glClearBufferfv(GL_COLOR,0,white.components); // specular + } + _copy_screen(); + + } + } + + glDisable(GL_DEPTH_TEST); + glDepthFunc(GL_LEQUAL); + + // just copy diffuse while applying SSAO + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::SSAO_MERGE,true); + state.effect_blur_shader.bind(); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::SSAO_COLOR,env->ssao_color); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->color); //previous level, since mipmaps[0] starts one level bigger + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.ssao.blur_red[0]); //previous level, since mipmaps[0] starts one level bigger + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); // copy to base level + _copy_screen(); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::SSAO_MERGE,false); + + } else { + + //copy diffuse to effect buffer + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo); + glReadBuffer(GL_COLOR_ATTACHMENT0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + } + + + if (state.used_sss) {//sss enabled + //copy diffuse while performing sss + + //copy normal and roughness to effect buffer + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo); + glReadBuffer(GL_COLOR_ATTACHMENT3); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->buffers.effect_fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT , GL_NEAREST); + + state.sss_shader.set_conditional(SubsurfScatteringShaderGLES3::USE_11_SAMPLES,subsurface_scatter_quality==SSS_QUALITY_LOW); + state.sss_shader.set_conditional(SubsurfScatteringShaderGLES3::USE_17_SAMPLES,subsurface_scatter_quality==SSS_QUALITY_MEDIUM); + state.sss_shader.set_conditional(SubsurfScatteringShaderGLES3::USE_25_SAMPLES,subsurface_scatter_quality==SSS_QUALITY_HIGH); + state.sss_shader.set_conditional(SubsurfScatteringShaderGLES3::ENABLE_FOLLOW_SURFACE,subsurface_scatter_follow_surface); + state.sss_shader.bind(); + state.sss_shader.set_uniform(SubsurfScatteringShaderGLES3::MAX_RADIUS,subsurface_scatter_size); + state.sss_shader.set_uniform(SubsurfScatteringShaderGLES3::FOVY,p_cam_projection.get_fov()); + state.sss_shader.set_uniform(SubsurfScatteringShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + state.sss_shader.set_uniform(SubsurfScatteringShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + state.sss_shader.set_uniform(SubsurfScatteringShaderGLES3::DIR,Vector2(1,0)); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->buffers.effect); + glActiveTexture(GL_TEXTURE2); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE); + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); //copy to front first + + _copy_screen(); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->color); + state.sss_shader.set_uniform(SubsurfScatteringShaderGLES3::DIR,Vector2(0,1)); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); // copy to base level + _copy_screen(); + + } + + + + if (env->ssr_enabled) { + + //copy normal and roughness to effect buffer + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo); + glReadBuffer(GL_COLOR_ATTACHMENT2); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->buffers.effect_fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT , GL_NEAREST); + + + //blur diffuse into effect mipmaps using separatable convolution + //storage->shaders.copy.set_conditional(CopyShaderGLES3::GAUSSIAN_HORIZONTAL,true); + for(int i=0;i<storage->frame.current_rt->effects.mip_maps[1].sizes.size();i++) { + + + int vp_w = storage->frame.current_rt->effects.mip_maps[1].sizes[i].width; + int vp_h = storage->frame.current_rt->effects.mip_maps[1].sizes[i].height; + glViewport(0,0,vp_w,vp_h); + //horizontal pass + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GAUSSIAN_HORIZONTAL,true); + state.effect_blur_shader.bind(); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::LOD,float(i)); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); //previous level, since mipmaps[0] starts one level bigger + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[1].sizes[i].fbo); + _copy_screen(); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GAUSSIAN_HORIZONTAL,false); + + //vertical pass + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GAUSSIAN_VERTICAL,true); + state.effect_blur_shader.bind(); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::LOD,float(i)); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[1].color); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[i+1].fbo); //next level, since mipmaps[0] starts one level bigger + _copy_screen(); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GAUSSIAN_VERTICAL,false); + } + + + //perform SSR + + state.ssr_shader.set_conditional(ScreenSpaceReflectionShaderGLES3::SMOOTH_ACCEL,env->ssr_accel>0 && env->ssr_smooth); + state.ssr_shader.set_conditional(ScreenSpaceReflectionShaderGLES3::REFLECT_ROUGHNESS,env->ssr_accel>0 && env->ssr_roughness); + + state.ssr_shader.bind(); + + int ssr_w = storage->frame.current_rt->effects.mip_maps[1].sizes[0].width; + int ssr_h = storage->frame.current_rt->effects.mip_maps[1].sizes[0].height; + + + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::PIXEL_SIZE,Vector2(1.0/(ssr_w*0.5),1.0/(ssr_h*0.5))); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::PROJECTION,p_cam_projection); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::INVERSE_PROJECTION,p_cam_projection.inverse()); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::VIEWPORT_SIZE,Size2(ssr_w,ssr_h)); + //state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::FRAME_INDEX,int(render_pass)); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::FILTER_MIPMAP_LEVELS,float(storage->frame.current_rt->effects.mip_maps[0].sizes.size())); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::NUM_STEPS,env->ssr_max_steps); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::ACCELERATION,env->ssr_accel); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::DEPTH_TOLERANCE,env->ssr_depth_tolerance); + state.ssr_shader.set_uniform(ScreenSpaceReflectionShaderGLES3::DISTANCE_FADE,env->ssr_fade); + + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->buffers.effect); + glActiveTexture(GL_TEXTURE2); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE); + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[1].sizes[0].fbo); + glViewport(0,0,ssr_w,ssr_h); + + _copy_screen(); + glViewport(0,0,storage->frame.current_rt->width,storage->frame.current_rt->height); + + } + + + + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo); + glReadBuffer(GL_COLOR_ATTACHMENT1); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo); + //glDrawBuffer(GL_COLOR_ATTACHMENT0); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT, GL_NEAREST); + glReadBuffer(GL_COLOR_ATTACHMENT0); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + //copy reflection over diffuse, resolving SSR if needed + state.resolve_shader.set_conditional(ResolveShaderGLES3::USE_SSR,env->ssr_enabled); + state.resolve_shader.bind(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->color); + if (env->ssr_enabled) { + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[1].color); + } + + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); + glEnable(GL_BLEND); + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(GL_ONE,GL_ONE); //use additive to accumulate one over the other + + _copy_screen(); + + glDisable(GL_BLEND); //end additive + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::SIMPLE_COPY,true); + state.effect_blur_shader.bind(); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::LOD,float(0)); + + { + GLuint db = GL_COLOR_ATTACHMENT0; + glDrawBuffers(1,&db); + } + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); + + _copy_screen(); + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::SIMPLE_COPY,false); + + +} + +void RasterizerSceneGLES3::_post_process(Environment *env,const CameraMatrix &p_cam_projection){ + + //copy to front buffer + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1,1,1,1); + + //turn off everything used + + //copy specular to front buffer + //copy diffuse to effect buffer + + + glReadBuffer(GL_COLOR_ATTACHMENT0); + glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); + glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT, GL_NEAREST); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + if (!env) { + //no environment, simply return and convert to SRGB + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); + storage->shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB,true); + storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA,true); + storage->shaders.copy.bind(); + + _copy_screen(); + + storage->shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB,false); + storage->shaders.copy.set_conditional(CopyShaderGLES3::DISABLE_ALPHA,false); //compute luminance + + return; + + } + + + //order of operation + //1) DOF Blur (first blur, then copy to buffer applying the blur) + //2) Motion Blur + //3) Bloom + //4) Tonemap + //5) Adjustments + + GLuint composite_from = storage->frame.current_rt->effects.mip_maps[0].color; + + + if (env->dof_blur_far_enabled) { + + //blur diffuse into effect mipmaps using separatable convolution + //storage->shaders.copy.set_conditional(CopyShaderGLES3::GAUSSIAN_HORIZONTAL,true); + + int vp_h = storage->frame.current_rt->height; + int vp_w = storage->frame.current_rt->width; + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_FAR_BLUR,true); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_LOW,env->dof_blur_far_quality==VS::ENV_DOF_BLUR_QUALITY_LOW); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_MEDIUM,env->dof_blur_far_quality==VS::ENV_DOF_BLUR_QUALITY_MEDIUM); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_HIGH,env->dof_blur_far_quality==VS::ENV_DOF_BLUR_QUALITY_HIGH); + + state.effect_blur_shader.bind(); + int qsteps[3]={4,10,20}; + + float radius = (env->dof_blur_far_amount*env->dof_blur_far_amount) / qsteps[env->dof_blur_far_quality]; + + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_BEGIN,env->dof_blur_far_distance); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_END,env->dof_blur_far_distance+env->dof_blur_far_transition); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_DIR,Vector2(1,0)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_RADIUS,radius); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,composite_from); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); //copy to front first + + _copy_screen(); + + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->color); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_DIR,Vector2(0,1)); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); // copy to base level + _copy_screen(); + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_FAR_BLUR,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_FAR_BLUR,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_LOW,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_MEDIUM,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_HIGH,false); + + + composite_from=storage->frame.current_rt->effects.mip_maps[0].color; + + } + + if (env->dof_blur_near_enabled) { + + //blur diffuse into effect mipmaps using separatable convolution + //storage->shaders.copy.set_conditional(CopyShaderGLES3::GAUSSIAN_HORIZONTAL,true); + + int vp_h = storage->frame.current_rt->height; + int vp_w = storage->frame.current_rt->width; + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_BLUR,true); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_FIRST_TAP,true); + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_LOW,env->dof_blur_near_quality==VS::ENV_DOF_BLUR_QUALITY_LOW); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_MEDIUM,env->dof_blur_near_quality==VS::ENV_DOF_BLUR_QUALITY_MEDIUM); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_HIGH,env->dof_blur_near_quality==VS::ENV_DOF_BLUR_QUALITY_HIGH); + + state.effect_blur_shader.bind(); + int qsteps[3]={4,10,20}; + + float radius = (env->dof_blur_near_amount*env->dof_blur_near_amount) / qsteps[env->dof_blur_near_quality]; + + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_BEGIN,env->dof_blur_near_distance); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_END,env->dof_blur_near_distance-env->dof_blur_near_transition); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_DIR,Vector2(1,0)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_RADIUS,radius); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->depth); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,composite_from); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); //copy to front first + + _copy_screen(); + //manually do the blend if this is the first operation resolving from the diffuse buffer + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_BLUR_MERGE,composite_from == storage->frame.current_rt->buffers.diffuse); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_FIRST_TAP,false); + state.effect_blur_shader.bind(); + + + + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_BEGIN,env->dof_blur_near_distance); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_END,env->dof_blur_near_distance-env->dof_blur_near_transition); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_DIR,Vector2(0,1)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::DOF_RADIUS,radius); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::CAMERA_Z_NEAR,p_cam_projection.get_z_near()); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::CAMERA_Z_FAR,p_cam_projection.get_z_far()); + + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->color); + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); // copy to base level + + if (composite_from != storage->frame.current_rt->buffers.diffuse) { + + glEnable(GL_BLEND); + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + } else { + glActiveTexture(GL_TEXTURE2); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->buffers.diffuse); + + } + + _copy_screen(); + + if (composite_from != storage->frame.current_rt->buffers.diffuse) { + + glDisable(GL_BLEND); + } + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_BLUR,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_FIRST_TAP,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_NEAR_BLUR_MERGE,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_LOW,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_MEDIUM,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_HIGH,false); + + + composite_from=storage->frame.current_rt->effects.mip_maps[0].color; + + } + + if ( env->auto_exposure) { + + //compute auto exposure + //first step, copy from image to luminance buffer + state.exposure_shader.set_conditional(ExposureShaderGLES3::EXPOSURE_BEGIN,true); + state.exposure_shader.bind(); + int ss[2]={ + storage->frame.current_rt->width, + storage->frame.current_rt->height, + }; + int ds[2]={ + exposure_shrink_size, + exposure_shrink_size, + }; + + glUniform2iv(state.exposure_shader.get_uniform(ExposureShaderGLES3::SOURCE_RENDER_SIZE),1,ss); + glUniform2iv(state.exposure_shader.get_uniform(ExposureShaderGLES3::TARGET_SIZE),1,ds); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->buffers.diffuse); + + + glBindFramebuffer(GL_FRAMEBUFFER,exposure_shrink[0].fbo); + glViewport(0,0,exposure_shrink_size,exposure_shrink_size); + + _copy_screen(); + + + + + + //second step, shrink to 2x2 pixels + state.exposure_shader.set_conditional(ExposureShaderGLES3::EXPOSURE_BEGIN,false); + state.exposure_shader.bind(); + //shrink from second to previous to last level + + int s_size=exposure_shrink_size/3; + for(int i=1;i<exposure_shrink.size()-1;i++) { + + glBindFramebuffer(GL_FRAMEBUFFER,exposure_shrink[i].fbo); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,exposure_shrink[i-1].color); + + _copy_screen(); + + glViewport(0,0,s_size,s_size); + + s_size/=3; + + } + //third step, shrink to 1x1 pixel taking in consideration the previous exposure + state.exposure_shader.set_conditional(ExposureShaderGLES3::EXPOSURE_END,true); + + uint64_t tick = OS::get_singleton()->get_ticks_usec(); + uint64_t tick_diff = storage->frame.current_rt->last_exposure_tick==0?0:tick-storage->frame.current_rt->last_exposure_tick; + storage->frame.current_rt->last_exposure_tick=tick; + + if (tick_diff==0 || tick_diff>1000000) { + state.exposure_shader.set_conditional(ExposureShaderGLES3::EXPOSURE_FORCE_SET,true); + + } + + state.exposure_shader.bind(); + + glBindFramebuffer(GL_FRAMEBUFFER,exposure_shrink[exposure_shrink.size()-1].fbo); + glViewport(0,0,1,1); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,exposure_shrink[exposure_shrink.size()-2].color); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->exposure.color); //read from previous + + + state.exposure_shader.set_uniform(ExposureShaderGLES3::EXPOSURE_ADJUST,env->auto_exposure_speed*(tick_diff/1000000.0)); + state.exposure_shader.set_uniform(ExposureShaderGLES3::MAX_LUMINANCE,env->auto_exposure_max); + state.exposure_shader.set_uniform(ExposureShaderGLES3::MIN_LUMINANCE,env->auto_exposure_min); + + _copy_screen(); + + state.exposure_shader.set_conditional(ExposureShaderGLES3::EXPOSURE_FORCE_SET,false); + state.exposure_shader.set_conditional(ExposureShaderGLES3::EXPOSURE_END,false); + + //last step, swap with the framebuffer exposure, so the right exposure is kept int he framebuffer + SWAP(exposure_shrink[exposure_shrink.size()-1].fbo,storage->frame.current_rt->exposure.fbo); + SWAP(exposure_shrink[exposure_shrink.size()-1].color,storage->frame.current_rt->exposure.color); + + + glViewport(0,0,storage->frame.current_rt->width,storage->frame.current_rt->height); + + } + + + int max_glow_level=-1; + int glow_mask=0; + + + if (env->glow_enabled) { + + + for(int i=0;i<VS::MAX_GLOW_LEVELS;i++) { + if (env->glow_levels&(1<<i)) { + + if (i>=storage->frame.current_rt->effects.mip_maps[1].sizes.size()) { + max_glow_level=storage->frame.current_rt->effects.mip_maps[1].sizes.size()-1; + glow_mask|=1<<max_glow_level; + + } else { + max_glow_level=i; + glow_mask|=(1<<i); + } + + } + } + + + //blur diffuse into effect mipmaps using separatable convolution + //storage->shaders.copy.set_conditional(CopyShaderGLES3::GAUSSIAN_HORIZONTAL,true); + + for(int i=0;i<(max_glow_level+1);i++) { + + + int vp_w = storage->frame.current_rt->effects.mip_maps[1].sizes[i].width; + int vp_h = storage->frame.current_rt->effects.mip_maps[1].sizes[i].height; + glViewport(0,0,vp_w,vp_h); + //horizontal pass + if (i==0) { + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_FIRST_PASS,true); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_USE_AUTO_EXPOSURE,env->auto_exposure); + } + + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_GAUSSIAN_HORIZONTAL,true); + state.effect_blur_shader.bind(); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::LOD,float(i)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::GLOW_STRENGTH,env->glow_strength); + + glActiveTexture(GL_TEXTURE0); + if (i==0) { + glBindTexture(GL_TEXTURE_2D,composite_from); + + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::EXPOSURE,env->tone_mapper_exposure); + if (env->auto_exposure) { + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::AUTO_EXPOSURE_GREY,env->auto_exposure_grey); + } + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->exposure.color); + + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::GLOW_BLOOM,env->glow_bloom); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::GLOW_HDR_TRESHOLD,env->glow_hdr_bleed_treshold); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::GLOW_HDR_SCALE,env->glow_hdr_bleed_scale); + + } else { + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); //previous level, since mipmaps[0] starts one level bigger + } + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[1].sizes[i].fbo); + _copy_screen(); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_GAUSSIAN_HORIZONTAL,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_FIRST_PASS,false); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_USE_AUTO_EXPOSURE,false); + + //vertical pass + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_GAUSSIAN_VERTICAL,true); + state.effect_blur_shader.bind(); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::PIXEL_SIZE,Vector2(1.0/vp_w,1.0/vp_h)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::LOD,float(i)); + state.effect_blur_shader.set_uniform(EffectBlurShaderGLES3::GLOW_STRENGTH,env->glow_strength); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[1].color); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->effects.mip_maps[0].sizes[i+1].fbo); //next level, since mipmaps[0] starts one level bigger + _copy_screen(); + state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::GLOW_GAUSSIAN_VERTICAL,false); + } + + glViewport(0,0,storage->frame.current_rt->width,storage->frame.current_rt->height); + + } + + + + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,composite_from); + + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_FILMIC_TONEMAPPER,env->tone_mapper==VS::ENV_TONE_MAPPER_FILMIC); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_ACES_TONEMAPPER,env->tone_mapper==VS::ENV_TONE_MAPPER_ACES); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_REINDHART_TONEMAPPER,env->tone_mapper==VS::ENV_TONE_MAPPER_REINHARDT); + + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_AUTO_EXPOSURE,env->auto_exposure); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_FILTER_BICUBIC,env->glow_bicubic_upscale); + + + + if (max_glow_level>=0) { + + + for(int i=0;i<(max_glow_level+1);i++) { + + if (glow_mask&(1<<i)) { + if (i==0) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL1,true); + } + if (i==1) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL2,true); + } + if (i==2) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL3,true); + } + if (i==3) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL4,true); + } + if (i==4) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL5,true); + } + if (i==5) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL6,true); + } + if (i==6) { + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL7,true); + } + } + } + + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_SCREEN,env->glow_blend_mode==VS::GLOW_BLEND_MODE_SCREEN); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_SOFTLIGHT,env->glow_blend_mode==VS::GLOW_BLEND_MODE_SOFTLIGHT); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_REPLACE,env->glow_blend_mode==VS::GLOW_BLEND_MODE_REPLACE); + glActiveTexture(GL_TEXTURE2); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->effects.mip_maps[0].color); + + } + + state.tonemap_shader.bind(); + + state.tonemap_shader.set_uniform(TonemapShaderGLES3::EXPOSURE,env->tone_mapper_exposure); + state.tonemap_shader.set_uniform(TonemapShaderGLES3::WHITE,env->tone_mapper_exposure_white); + + if (max_glow_level>=0) { + + state.tonemap_shader.set_uniform(TonemapShaderGLES3::GLOW_INTENSITY,env->glow_intensity); + int ss[2]={ + storage->frame.current_rt->width, + storage->frame.current_rt->height, + }; + glUniform2iv(state.tonemap_shader.get_uniform(TonemapShaderGLES3::GLOW_TEXTURE_SIZE),1,ss); + + } + + if (env->auto_exposure) { + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->exposure.color); + state.tonemap_shader.set_uniform(TonemapShaderGLES3::AUTO_EXPOSURE_GREY,env->auto_exposure_grey); + + } + + + + _copy_screen(); + + //turn off everything used + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_AUTO_EXPOSURE,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_FILMIC_TONEMAPPER,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_ACES_TONEMAPPER,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_REINDHART_TONEMAPPER,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL1,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL2,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL3,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL4,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL5,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL6,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_LEVEL7,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_REPLACE,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_SCREEN,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_SOFTLIGHT,false); + state.tonemap_shader.set_conditional(TonemapShaderGLES3::USE_GLOW_FILTER_BICUBIC,false); + +} + +void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const CameraMatrix& p_cam_projection,bool p_cam_ortogonal,InstanceBase** p_cull_result,int p_cull_count,RID* p_light_cull_result,int p_light_cull_count,RID* p_reflection_probe_cull_result,int p_reflection_probe_cull_count,RID p_environment,RID p_shadow_atlas,RID p_reflection_atlas,RID p_reflection_probe,int p_reflection_probe_pass){ + + //first of all, make a new render pass + render_pass++; + + + //fill up ubo + + Environment *env = environment_owner.getornull(p_environment); + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.getornull(p_reflection_atlas); + + if (shadow_atlas && shadow_atlas->size) { + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-3); + glBindTexture(GL_TEXTURE_2D,shadow_atlas->depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS); + state.ubo_data.shadow_atlas_pixel_size[0]=1.0/shadow_atlas->size; + state.ubo_data.shadow_atlas_pixel_size[1]=1.0/shadow_atlas->size; + } + + + if (reflection_atlas && reflection_atlas->size) { + glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-5); + glBindTexture(GL_TEXTURE_2D,reflection_atlas->color); + } + + if (p_reflection_probe.is_valid()) { + state.ubo_data.reflection_multiplier=0.0; + } else { + state.ubo_data.reflection_multiplier=1.0; + } + + state.ubo_data.subsurface_scatter_width=subsurface_scatter_size; + + + state.ubo_data.shadow_z_offset=0; + state.ubo_data.shadow_slope_scale=0; + state.ubo_data.shadow_dual_paraboloid_render_side=0; + state.ubo_data.shadow_dual_paraboloid_render_zfar=0; + + _setup_environment(env,p_cam_projection,p_cam_transform); + + bool fb_cleared=false; + + glDepthFunc(GL_LEQUAL); + + + if (storage->frame.current_rt && true) { + //pre z pass + + + glDisable(GL_BLEND); + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); + glDrawBuffers(0,NULL); + + glViewport(0,0,storage->frame.current_rt->width,storage->frame.current_rt->height); + + glColorMask(0,0,0,0); + + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + + + render_list.clear(); + _fill_render_list(p_cull_result,p_cull_count,true); + render_list.sort_by_depth(false); + state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_DEPTH,true); + _render_list(render_list.elements,render_list.element_count,p_cam_transform,p_cam_projection,0,false,false,true,false,false); + state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_DEPTH,false); + + glColorMask(1,1,1,1); + + fb_cleared=true; + render_pass++; + } + + + _setup_lights(p_light_cull_result,p_light_cull_count,p_cam_transform.affine_inverse(),p_cam_projection,p_shadow_atlas); + _setup_reflections(p_reflection_probe_cull_result,p_reflection_probe_cull_count,p_cam_transform.affine_inverse(),p_cam_projection,p_reflection_atlas,env); + + render_list.clear(); + + + bool use_mrt=false; + + + _fill_render_list(p_cull_result,p_cull_count,false); + // + + + glEnable(GL_BLEND); + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + + //rendering to a probe cubemap side + ReflectionProbeInstance *probe = reflection_probe_instance_owner.getornull(p_reflection_probe); + GLuint current_fbo; + + + + if (probe) { + + ReflectionAtlas *ref_atlas = reflection_atlas_owner.getptr(probe->atlas); + ERR_FAIL_COND(!ref_atlas); + + int target_size=ref_atlas->size/ref_atlas->subdiv; + + int cubemap_index=reflection_cubemaps.size()-1; + + for(int i=reflection_cubemaps.size()-1;i>=0;i--) { + //find appropriate cubemap to render to + if (reflection_cubemaps[i].size>target_size*2) + break; + + cubemap_index=i; + } + + current_fbo=reflection_cubemaps[cubemap_index].fbo_id[p_reflection_probe_pass]; + use_mrt=false; + state.scene_shader.set_conditional(SceneShaderGLES3::USE_MULTIPLE_RENDER_TARGETS,false); + + glViewport(0,0,reflection_cubemaps[cubemap_index].size,reflection_cubemaps[cubemap_index].size); + glBindFramebuffer(GL_FRAMEBUFFER,current_fbo); + + } else { + + use_mrt = state.used_sss || (env && (env->ssao_enabled || env->ssr_enabled)); //only enable MRT rendering if any of these is enabled + + glViewport(0,0,storage->frame.current_rt->width,storage->frame.current_rt->height); + + if (use_mrt) { + + current_fbo=storage->frame.current_rt->buffers.fbo; + + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_MULTIPLE_RENDER_TARGETS,true); + + + Vector<GLenum> draw_buffers; + draw_buffers.push_back(GL_COLOR_ATTACHMENT0); + draw_buffers.push_back(GL_COLOR_ATTACHMENT1); + draw_buffers.push_back(GL_COLOR_ATTACHMENT2); + if (state.used_sss) { + draw_buffers.push_back(GL_COLOR_ATTACHMENT3); + } + glDrawBuffers(draw_buffers.size(),draw_buffers.ptr()); + + Color black(0,0,0,0); + glClearBufferfv(GL_COLOR,1,black.components); // specular + glClearBufferfv(GL_COLOR,2,black.components); // normal metal rough + if (state.used_sss) { + glClearBufferfv(GL_COLOR,3,black.components); // normal metal rough + } + + } else { + + + + current_fbo = storage->frame.current_rt->buffers.fbo; + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_MULTIPLE_RENDER_TARGETS,false); + + Vector<GLenum> draw_buffers; + draw_buffers.push_back(GL_COLOR_ATTACHMENT0); + glDrawBuffers(draw_buffers.size(),draw_buffers.ptr()); + + } + } + + if (!fb_cleared) { + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + } + + Color clear_color(0,0,0,0); + + RasterizerStorageGLES3::SkyBox *skybox=NULL; + GLuint env_radiance_tex=0; + + if (!env || env->bg_mode==VS::ENV_BG_CLEAR_COLOR) { + + if (storage->frame.clear_request) { + + clear_color = storage->frame.clear_request_color.to_linear(); + storage->frame.clear_request=false; + + } + + } else if (env->bg_mode==VS::ENV_BG_COLOR) { + + clear_color = env->bg_color.to_linear(); + storage->frame.clear_request=false; + } else if (env->bg_mode==VS::ENV_BG_SKYBOX) { + + skybox = storage->skybox_owner.getornull(env->skybox); + + if (skybox) { + env_radiance_tex=skybox->radiance; + } + storage->frame.clear_request=false; + + } else { + storage->frame.clear_request=false; + } + + glClearBufferfv(GL_COLOR,0,clear_color.components); // specular + + + state.texscreen_copied=false; + + glBlendEquation(GL_FUNC_ADD); + + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + glDisable(GL_BLEND); + + render_list.sort_by_key(false); + + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + + + if (state.directional_light_count==0) { + directional_light=NULL; + _render_list(render_list.elements,render_list.element_count,p_cam_transform,p_cam_projection,env_radiance_tex,false,false,false,false,shadow_atlas!=NULL); + } else { + for(int i=0;i<state.directional_light_count;i++) { + directional_light=directional_lights[i]; + if (i>0) { + glEnable(GL_BLEND); + } + _setup_directional_light(i,p_cam_transform.affine_inverse(),shadow_atlas!=NULL); + _render_list(render_list.elements,render_list.element_count,p_cam_transform,p_cam_projection,env_radiance_tex,false,false,false,i>0,shadow_atlas!=NULL); + + } + } + + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_MULTIPLE_RENDER_TARGETS,false); + + if (use_mrt) { + GLenum gldb = GL_COLOR_ATTACHMENT0; + glDrawBuffers(1,&gldb); + } + + if (env && env->bg_mode==VS::ENV_BG_SKYBOX) { + + //if (use_mrt) { + // glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); //switch to alpha fbo for skybox, only diffuse/ambient matters + // + + _draw_skybox(skybox,p_cam_projection,p_cam_transform,storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP],env->skybox_scale); + } + + + + + + //_render_list_forward(&alpha_render_list,camera_transform,camera_transform_inverse,camera_projection,false,fragment_lighting,true); + //glColorMask(1,1,1,1); + +// state.scene_shader.set_conditional( SceneShaderGLES3::USE_FOG,false); + + + if (use_mrt) { + _render_mrts(env,p_cam_projection); + } + + glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); + glEnable(GL_BLEND); + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + + render_list.sort_by_depth(true); + + if (state.directional_light_count==0) { + directional_light=NULL; + _render_list(&render_list.elements[render_list.max_elements-render_list.alpha_element_count],render_list.alpha_element_count,p_cam_transform,p_cam_projection,env_radiance_tex,false,true,false,false,shadow_atlas!=NULL); + } else { + for(int i=0;i<state.directional_light_count;i++) { + directional_light=directional_lights[i]; + _setup_directional_light(i,p_cam_transform.affine_inverse(),shadow_atlas!=NULL); + _render_list(&render_list.elements[render_list.max_elements-render_list.alpha_element_count],render_list.alpha_element_count,p_cam_transform,p_cam_projection,env_radiance_tex,false,true,false,i>0,shadow_atlas!=NULL); + + } + } + + if (probe) { + //rendering a probe, do no more! + return; + } + + + _post_process(env,p_cam_projection); + + + if (false && shadow_atlas) { + + //_copy_texture_to_front_buffer(shadow_atlas->depth); + storage->canvas->canvas_begin(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,shadow_atlas->depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE); + storage->canvas->draw_generic_textured_rect(Rect2(0,0,storage->frame.current_rt->width/2,storage->frame.current_rt->height/2),Rect2(0,0,1,1)); + + } + + if (false && storage->frame.current_rt) { + + //_copy_texture_to_front_buffer(shadow_atlas->depth); + storage->canvas->canvas_begin(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,exposure_shrink[4].color); +// glBindTexture(GL_TEXTURE_2D,storage->frame.current_rt->exposure.color); + storage->canvas->draw_generic_textured_rect(Rect2(0,0,storage->frame.current_rt->width/16,storage->frame.current_rt->height/16),Rect2(0,0,1,1)); + + } + + if (false && reflection_atlas && storage->frame.current_rt) { + + //_copy_texture_to_front_buffer(shadow_atlas->depth); + storage->canvas->canvas_begin(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,reflection_atlas->color); + storage->canvas->draw_generic_textured_rect(Rect2(0,0,storage->frame.current_rt->width/2,storage->frame.current_rt->height/2),Rect2(0,0,1,1)); + + } + + if (false && directional_shadow.fbo) { + + //_copy_texture_to_front_buffer(shadow_atlas->depth); + storage->canvas->canvas_begin(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,directional_shadow.depth); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE); + storage->canvas->draw_generic_textured_rect(Rect2(0,0,storage->frame.current_rt->width/2,storage->frame.current_rt->height/2),Rect2(0,0,1,1)); + + } + + if (false && env_radiance_tex) { + + //_copy_texture_to_front_buffer(shadow_atlas->depth); + storage->canvas->canvas_begin(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,env_radiance_tex); + storage->canvas->draw_generic_textured_rect(Rect2(0,0,storage->frame.current_rt->width/2,storage->frame.current_rt->height/2),Rect2(0,0,1,1)); + + } + + +#if 0 + if (use_fb) { + + + + for(int i=0;i<VS::ARRAY_MAX;i++) { + glDisableVertexAttribArray(i); + } + glBindBuffer(GL_ARRAY_BUFFER,0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); + glDisable(GL_BLEND); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_SCISSOR_TEST); + glDepthMask(false); + + if (current_env && current_env->fx_enabled[VS::ENV_FX_HDR]) { + + int hdr_tm = current_env->fx_param[VS::ENV_FX_PARAM_HDR_TONEMAPPER]; + switch(hdr_tm) { + case VS::ENV_FX_HDR_TONE_MAPPER_LINEAR: { + + + } break; + case VS::ENV_FX_HDR_TONE_MAPPER_LOG: { + copy_shader.set_conditional(CopyShaderGLES2::USE_LOG_TONEMAPPER,true); + + } break; + case VS::ENV_FX_HDR_TONE_MAPPER_REINHARDT: { + copy_shader.set_conditional(CopyShaderGLES2::USE_REINHARDT_TONEMAPPER,true); + } break; + case VS::ENV_FX_HDR_TONE_MAPPER_REINHARDT_AUTOWHITE: { + + copy_shader.set_conditional(CopyShaderGLES2::USE_REINHARDT_TONEMAPPER,true); + copy_shader.set_conditional(CopyShaderGLES2::USE_AUTOWHITE,true); + } break; + } + + + _process_hdr(); + } + if (current_env && current_env->fx_enabled[VS::ENV_FX_GLOW]) { + _process_glow_bloom(); + int glow_transfer_mode=current_env->fx_param[VS::ENV_FX_PARAM_GLOW_BLUR_BLEND_MODE]; + if (glow_transfer_mode==1) + copy_shader.set_conditional(CopyShaderGLES2::USE_GLOW_SCREEN,true); + if (glow_transfer_mode==2) + copy_shader.set_conditional(CopyShaderGLES2::USE_GLOW_SOFTLIGHT,true); + } + + glBindFramebuffer(GL_FRAMEBUFFER, current_rt?current_rt->fbo:base_framebuffer); + + Size2 size; + if (current_rt) { + glBindFramebuffer(GL_FRAMEBUFFER, current_rt->fbo); + glViewport( 0,0,viewport.width,viewport.height); + size=Size2(viewport.width,viewport.height); + } else { + glBindFramebuffer(GL_FRAMEBUFFER, base_framebuffer); + glViewport( viewport.x, window_size.height-(viewport.height+viewport.y), viewport.width,viewport.height ); + size=Size2(viewport.width,viewport.height); + } + + //time to copy!!! + copy_shader.set_conditional(CopyShaderGLES2::USE_BCS,current_env && current_env->fx_enabled[VS::ENV_FX_BCS]); + copy_shader.set_conditional(CopyShaderGLES2::USE_SRGB,current_env && current_env->fx_enabled[VS::ENV_FX_SRGB]); + copy_shader.set_conditional(CopyShaderGLES2::USE_GLOW,current_env && current_env->fx_enabled[VS::ENV_FX_GLOW]); + copy_shader.set_conditional(CopyShaderGLES2::USE_HDR,current_env && current_env->fx_enabled[VS::ENV_FX_HDR]); + copy_shader.set_conditional(CopyShaderGLES2::USE_NO_ALPHA,true); + copy_shader.set_conditional(CopyShaderGLES2::USE_FXAA,current_env && current_env->fx_enabled[VS::ENV_FX_FXAA]); + + copy_shader.bind(); + //copy_shader.set_uniform(CopyShaderGLES2::SOURCE,0); + + if (current_env && current_env->fx_enabled[VS::ENV_FX_GLOW]) { + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D, framebuffer.blur[0].color ); + glUniform1i(copy_shader.get_uniform_location(CopyShaderGLES2::GLOW_SOURCE),1); + + } + + if (current_env && current_env->fx_enabled[VS::ENV_FX_HDR]) { + + glActiveTexture(GL_TEXTURE2); + glBindTexture(GL_TEXTURE_2D, current_vd->lum_color ); + glUniform1i(copy_shader.get_uniform_location(CopyShaderGLES2::HDR_SOURCE),2); + copy_shader.set_uniform(CopyShaderGLES2::TONEMAP_EXPOSURE,float(current_env->fx_param[VS::ENV_FX_PARAM_HDR_EXPOSURE])); + copy_shader.set_uniform(CopyShaderGLES2::TONEMAP_WHITE,float(current_env->fx_param[VS::ENV_FX_PARAM_HDR_WHITE])); + + } + + if (current_env && current_env->fx_enabled[VS::ENV_FX_FXAA]) + copy_shader.set_uniform(CopyShaderGLES2::PIXEL_SIZE,Size2(1.0/size.x,1.0/size.y)); + + + if (current_env && current_env->fx_enabled[VS::ENV_FX_BCS]) { + + Vector3 bcs; + bcs.x=current_env->fx_param[VS::ENV_FX_PARAM_BCS_BRIGHTNESS]; + bcs.y=current_env->fx_param[VS::ENV_FX_PARAM_BCS_CONTRAST]; + bcs.z=current_env->fx_param[VS::ENV_FX_PARAM_BCS_SATURATION]; + copy_shader.set_uniform(CopyShaderGLES2::BCS,bcs); + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, framebuffer.color ); + glUniform1i(copy_shader.get_uniform_location(CopyShaderGLES2::SOURCE),0); + + _copy_screen_quad(); + + copy_shader.set_conditional(CopyShaderGLES2::USE_BCS,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_SRGB,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_GLOW,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_HDR,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_NO_ALPHA,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_FXAA,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_GLOW_SCREEN,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_GLOW_SOFTLIGHT,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_REINHARDT_TONEMAPPER,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_AUTOWHITE,false); + copy_shader.set_conditional(CopyShaderGLES2::USE_LOG_TONEMAPPER,false); + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_8BIT_HDR,false); + + + if (current_env && current_env->fx_enabled[VS::ENV_FX_HDR] && GLOBAL_DEF("rasterizer/debug_hdr",false)) { + _debug_luminances(); + } + } + + current_env=NULL; + current_debug=VS::SCENARIO_DEBUG_DISABLED; + if (GLOBAL_DEF("rasterizer/debug_shadow_maps",false)) { + _debug_shadows(); + } +// _debug_luminances(); +// _debug_samplers(); + + if (using_canvas_bg) { + using_canvas_bg=false; + glColorMask(1,1,1,1); //don't touch alpha + } +#endif +} + +void RasterizerSceneGLES3::render_shadow(RID p_light,RID p_shadow_atlas,int p_pass,InstanceBase** p_cull_result,int p_cull_count) { + + render_pass++; + + directional_light=NULL; + + LightInstance *light_instance = light_instance_owner.getornull(p_light); + ERR_FAIL_COND(!light_instance); + RasterizerStorageGLES3::Light *light = storage->light_owner.getornull(light_instance->light); + ERR_FAIL_COND(!light); + + uint32_t x,y,width,height,vp_height; + + + float dp_direction=0.0; + float zfar=0; + bool flip_facing=false; + int custom_vp_size=0; + GLuint fbo; + int current_cubemap=-1; + float bias=0; + float normal_bias=0; + + CameraMatrix light_projection; + Transform light_transform; + + + if (light->type==VS::LIGHT_DIRECTIONAL) { + //set pssm stuff + if (light_instance->last_scene_shadow_pass!=scene_pass) { + //assign rect if unassigned + light_instance->light_directional_index = directional_shadow.current_light; + light_instance->last_scene_shadow_pass=scene_pass; + directional_shadow.current_light++; + + if (directional_shadow.light_count==1) { + light_instance->directional_rect=Rect2(0,0,directional_shadow.size,directional_shadow.size); + } else if (directional_shadow.light_count==2) { + light_instance->directional_rect=Rect2(0,0,directional_shadow.size,directional_shadow.size/2); + if (light_instance->light_directional_index==1) { + light_instance->directional_rect.pos.x+=light_instance->directional_rect.size.x; + } + } else { //3 and 4 + light_instance->directional_rect=Rect2(0,0,directional_shadow.size/2,directional_shadow.size/2); + if (light_instance->light_directional_index&1) { + light_instance->directional_rect.pos.x+=light_instance->directional_rect.size.x; + } + if (light_instance->light_directional_index/2) { + light_instance->directional_rect.pos.y+=light_instance->directional_rect.size.y; + } + } + } + + light_projection=light_instance->shadow_transform[p_pass].camera; + light_transform=light_instance->shadow_transform[p_pass].transform; + + x=light_instance->directional_rect.pos.x; + y=light_instance->directional_rect.pos.y; + width=light_instance->directional_rect.size.x; + height=light_instance->directional_rect.size.y; + + + + if (light->directional_shadow_mode==VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS) { + + + width/=2; + height/=2; + + if (p_pass==0) { + + } else if (p_pass==1) { + x+=width; + } else if (p_pass==2) { + y+=height; + } else if (p_pass==3) { + x+=width; + y+=height; + + } + + + + } else if (light->directional_shadow_mode==VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS) { + + height/=2; + + if (p_pass==0) { + + } else { + y+=height; + } + + } + + zfar=light->param[VS::LIGHT_PARAM_RANGE]; + bias=light->param[VS::LIGHT_PARAM_SHADOW_BIAS]; + normal_bias=light->param[VS::LIGHT_PARAM_SHADOW_NORMAL_BIAS]; + fbo=directional_shadow.fbo; + vp_height=directional_shadow.size; + + } else { + //set from shadow atlas + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); + ERR_FAIL_COND(!shadow_atlas); + ERR_FAIL_COND(!shadow_atlas->shadow_owners.has(p_light)); + + fbo=shadow_atlas->fbo; + vp_height=shadow_atlas->size; + + uint32_t key = shadow_atlas->shadow_owners[p_light]; + + uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT)&0x3; + uint32_t shadow = key & ShadowAtlas::SHADOW_INDEX_MASK; + + ERR_FAIL_INDEX(shadow,shadow_atlas->quadrants[quadrant].shadows.size()); + + uint32_t quadrant_size = shadow_atlas->size>>1; + + x=(quadrant&1)*quadrant_size; + y=(quadrant>>1)*quadrant_size; + + uint32_t shadow_size = (quadrant_size / shadow_atlas->quadrants[quadrant].subdivision); + x+=(shadow % shadow_atlas->quadrants[quadrant].subdivision) * shadow_size; + y+=(shadow / shadow_atlas->quadrants[quadrant].subdivision) * shadow_size; + + width=shadow_size; + height=shadow_size; + + if (light->type==VS::LIGHT_OMNI) { + + + if (light->omni_shadow_mode==VS::LIGHT_OMNI_SHADOW_CUBE) { + + int cubemap_index=shadow_cubemaps.size()-1; + + for(int i=shadow_cubemaps.size()-1;i>=0;i--) { + //find appropriate cubemap to render to + if (shadow_cubemaps[i].size>shadow_size*2) + break; + + cubemap_index=i; + } + + fbo=shadow_cubemaps[cubemap_index].fbo_id[p_pass]; + light_projection=light_instance->shadow_transform[0].camera; + light_transform=light_instance->shadow_transform[0].transform; + custom_vp_size=shadow_cubemaps[cubemap_index].size; + zfar=light->param[VS::LIGHT_PARAM_RANGE]; + + current_cubemap=cubemap_index; + + + } else { + + light_projection=light_instance->shadow_transform[0].camera; + light_transform=light_instance->shadow_transform[0].transform; + + if (light->omni_shadow_detail==VS::LIGHT_OMNI_SHADOW_DETAIL_HORIZONTAL) { + + height/=2; + y+=p_pass*height; + } else { + width/=2; + x+=p_pass*width; + + } + + dp_direction = p_pass==0?1.0:-1.0; + flip_facing = (p_pass == 1); + zfar=light->param[VS::LIGHT_PARAM_RANGE]; + bias=light->param[VS::LIGHT_PARAM_SHADOW_BIAS]; + + state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_DEPTH_DUAL_PARABOLOID,true); + } + + } else if (light->type==VS::LIGHT_SPOT) { + + light_projection=light_instance->shadow_transform[0].camera; + light_transform=light_instance->shadow_transform[0].transform; + + dp_direction = 1.0; + flip_facing = false; + zfar=light->param[VS::LIGHT_PARAM_RANGE]; + bias=light->param[VS::LIGHT_PARAM_SHADOW_BIAS]; + normal_bias=light->param[VS::LIGHT_PARAM_SHADOW_NORMAL_BIAS]; + } + + } + + //todo hacer que se redibuje cuando corresponde + + + render_list.clear(); + _fill_render_list(p_cull_result,p_cull_count,true); + + render_list.sort_by_depth(false); //shadow is front to back for performance + + glDepthMask(true); + glColorMask(1,1,1,1); + glDisable(GL_BLEND); + glDisable(GL_DITHER); + glEnable(GL_DEPTH_TEST); + glBindFramebuffer(GL_FRAMEBUFFER,fbo); + + if (custom_vp_size) { + glViewport(0,0,custom_vp_size,custom_vp_size); + glScissor(0,0,custom_vp_size,custom_vp_size); + + + } else { + glViewport(x,y,width,height); + glScissor(x,y,width,height); + } + + glEnable(GL_SCISSOR_TEST); + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + glDisable(GL_SCISSOR_TEST); + + state.ubo_data.shadow_z_offset=bias; + state.ubo_data.shadow_slope_scale=normal_bias; + state.ubo_data.shadow_dual_paraboloid_render_side=dp_direction; + state.ubo_data.shadow_dual_paraboloid_render_zfar=zfar; + + _setup_environment(NULL,light_projection,light_transform); + + state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_DEPTH,true); + + _render_list(render_list.elements,render_list.element_count,light_transform,light_projection,0,!flip_facing,false,true,false,false); + + state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_DEPTH,false); + state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_DEPTH_DUAL_PARABOLOID,false); + + + if (light->type==VS::LIGHT_OMNI && light->omni_shadow_mode==VS::LIGHT_OMNI_SHADOW_CUBE && p_pass==5) { + //convert the chosen cubemap to dual paraboloid! + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); + + glBindFramebuffer(GL_FRAMEBUFFER,shadow_atlas->fbo); + state.cube_to_dp_shader.bind(); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_CUBE_MAP,shadow_cubemaps[current_cubemap].cubemap); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_COMPARE_MODE, GL_NONE); + glDisable(GL_CULL_FACE); + + for(int i=0;i<2;i++) { + + state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES3::Z_FLIP,i==1); + state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES3::Z_NEAR,light_projection.get_z_near()); + state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES3::Z_FAR,light_projection.get_z_far()); + state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES3::BIAS,light->param[VS::LIGHT_PARAM_SHADOW_BIAS]); + + uint32_t local_width=width,local_height=height; + uint32_t local_x=x,local_y=y; + if (light->omni_shadow_detail==VS::LIGHT_OMNI_SHADOW_DETAIL_HORIZONTAL) { + + local_height/=2; + local_y+=i*local_height; + } else { + local_width/=2; + local_x+=i*local_width; + } + + glViewport(local_x,local_y,local_width,local_height); + glScissor(local_x,local_y,local_width,local_height); + glEnable(GL_SCISSOR_TEST); + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + glDisable(GL_SCISSOR_TEST); + //glDisable(GL_DEPTH_TEST); + glDisable(GL_BLEND); + + _copy_screen(); + + } + + } + + glColorMask(1,1,1,1); + + +} + +void RasterizerSceneGLES3::set_scene_pass(uint64_t p_pass) { + scene_pass=p_pass; +} + +bool RasterizerSceneGLES3::free(RID p_rid) { + + if (light_instance_owner.owns(p_rid)) { + + + LightInstance *light_instance = light_instance_owner.getptr(p_rid); + + //remove from shadow atlases.. + for(Set<RID>::Element *E=light_instance->shadow_atlases.front();E;E=E->next()) { + ShadowAtlas *shadow_atlas = shadow_atlas_owner.get(E->get()); + ERR_CONTINUE(!shadow_atlas->shadow_owners.has(p_rid)); + uint32_t key = shadow_atlas->shadow_owners[p_rid]; + uint32_t q = (key>>ShadowAtlas::QUADRANT_SHIFT)&0x3; + uint32_t s = key&ShadowAtlas::SHADOW_INDEX_MASK; + + shadow_atlas->quadrants[q].shadows[s].owner=RID(); + shadow_atlas->shadow_owners.erase(p_rid); + } + + + light_instance_owner.free(p_rid); + memdelete(light_instance); + + } else if (shadow_atlas_owner.owns(p_rid)) { + + ShadowAtlas *shadow_atlas = shadow_atlas_owner.get(p_rid); + shadow_atlas_set_size(p_rid,0); + shadow_atlas_owner.free(p_rid); + memdelete(shadow_atlas); + } else if (reflection_atlas_owner.owns(p_rid)) { + + ReflectionAtlas *reflection_atlas = reflection_atlas_owner.get(p_rid); + reflection_atlas_set_size(p_rid,0); + reflection_atlas_owner.free(p_rid); + memdelete(reflection_atlas); + } else if (reflection_probe_instance_owner.owns(p_rid)) { + + ReflectionProbeInstance *reflection_instance = reflection_probe_instance_owner.get(p_rid); + + reflection_probe_release_atlas_index(p_rid); + reflection_probe_instance_owner.free(p_rid); + memdelete(reflection_instance); + + } else { + return false; + } + + + return true; + +} + +// http://holger.dammertz.org/stuff/notes_HammersleyOnHemisphere.html +static _FORCE_INLINE_ float radicalInverse_VdC(uint32_t bits) { + bits = (bits << 16u) | (bits >> 16u); + bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u); + bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u); + bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u); + bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u); + return float(bits) * 2.3283064365386963e-10f; // / 0x100000000 +} + +static _FORCE_INLINE_ Vector2 Hammersley(uint32_t i, uint32_t N) { + return Vector2(float(i) / float(N), radicalInverse_VdC(i)); +} + +static _FORCE_INLINE_ Vector3 ImportanceSampleGGX(Vector2 Xi, float Roughness, Vector3 N) { + float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph] + + // Compute distribution direction + float Phi = 2.0f * Math_PI * Xi.x; + float CosTheta = Math::sqrt((1.0f - Xi.y) / (1.0f + (a*a - 1.0f) * Xi.y)); + float SinTheta = Math::sqrt((float)Math::abs(1.0f - CosTheta * CosTheta)); + + // Convert to spherical direction + Vector3 H; + H.x = SinTheta * Math::cos(Phi); + H.y = SinTheta * Math::sin(Phi); + H.z = CosTheta; + + Vector3 UpVector = Math::abs(N.z) < 0.999 ? Vector3(0.0, 0.0, 1.0) : Vector3(1.0, 0.0, 0.0); + Vector3 TangentX = UpVector.cross(N); + TangentX.normalize(); + Vector3 TangentY = N.cross(TangentX); + + // Tangent to world space + return TangentX * H.x + TangentY * H.y + N * H.z; +} + +static _FORCE_INLINE_ float GGX(float NdotV, float a) { + float k = a / 2.0; + return NdotV / (NdotV * (1.0 - k) + k); +} + +// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html +float _FORCE_INLINE_ G_Smith(float a, float nDotV, float nDotL) +{ + return GGX(nDotL, a * a) * GGX(nDotV, a * a); +} + +void RasterizerSceneGLES3::_generate_brdf() { + + int brdf_size=GLOBAL_DEF("rendering/gles3/brdf_texture_size",64); + + + + DVector<uint8_t> brdf; + brdf.resize(brdf_size*brdf_size*2); + + DVector<uint8_t>::Write w = brdf.write(); + + + for(int i=0;i<brdf_size;i++) { + for(int j=0;j<brdf_size;j++) { + + float Roughness = float(j)/(brdf_size-1); + float NoV = float(i+1)/(brdf_size); //avoid storing nov0 + + Vector3 V; + V.x = Math::sqrt( 1.0 - NoV * NoV ); + V.y = 0.0; + V.z = NoV; + + Vector3 N = Vector3(0.0, 0.0, 1.0); + + float A = 0; + float B = 0; + + for(int s=0;s<512;s++) { + + + Vector2 xi = Hammersley(s,512); + Vector3 H = ImportanceSampleGGX( xi, Roughness, N ); + Vector3 L = 2.0 * V.dot(H) * H - V; + + float NoL = CLAMP( L.z, 0.0, 1.0 ); + float NoH = CLAMP( H.z, 0.0, 1.0 ); + float VoH = CLAMP( V.dot(H), 0.0, 1.0 ); + + if ( NoL > 0.0 ) { + float G = G_Smith( Roughness, NoV, NoL ); + float G_Vis = G * VoH / (NoH * NoV); + float Fc = pow(1.0 - VoH, 5.0); + + A += (1.0 - Fc) * G_Vis; + B += Fc * G_Vis; + } + } + + A/=512.0; + B/=512.0; + + int tofs = ((brdf_size-j-1)*brdf_size+i)*2; + w[tofs+0]=CLAMP(A*255,0,255); + w[tofs+1]=CLAMP(B*255,0,255); + } + } + + + //set up brdf texture + + + glGenTextures(1, &state.brdf_texture); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,state.brdf_texture); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, brdf_size, brdf_size, 0, GL_RG, GL_UNSIGNED_BYTE,w.ptr()); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glBindTexture(GL_TEXTURE_2D,0); + +} + +void RasterizerSceneGLES3::initialize() { + + + render_pass=0; + + state.scene_shader.init(); + + default_shader = storage->shader_create(VS::SHADER_SPATIAL); + default_material = storage->material_create(); + storage->material_set_shader(default_material,default_shader); + + default_shader_twosided = storage->shader_create(VS::SHADER_SPATIAL); + default_material_twosided = storage->material_create(); + storage->shader_set_code(default_shader_twosided,"render_mode cull_disabled;\n"); + storage->material_set_shader(default_material_twosided,default_shader_twosided); + + + glGenBuffers(1, &state.scene_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.scene_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(State::SceneDataUBO), &state.scene_ubo, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + glGenBuffers(1, &state.env_radiance_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.env_radiance_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(State::EnvironmentRadianceUBO), &state.env_radiance_ubo, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + + render_list.max_elements=GLOBAL_DEF("rendering/gles3/max_renderable_elements",(int)RenderList::DEFAULT_MAX_ELEMENTS); + if (render_list.max_elements>1000000) + render_list.max_elements=1000000; + if (render_list.max_elements<1024) + render_list.max_elements=1024; + + + + { + //quad buffers + + glGenBuffers(1,&state.skybox_verts); + glBindBuffer(GL_ARRAY_BUFFER,state.skybox_verts); + glBufferData(GL_ARRAY_BUFFER,sizeof(Vector3)*8,NULL,GL_DYNAMIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER,0); //unbind + + + glGenVertexArrays(1,&state.skybox_array); + glBindVertexArray(state.skybox_array); + glBindBuffer(GL_ARRAY_BUFFER,state.skybox_verts); + glVertexAttribPointer(VS::ARRAY_VERTEX,3,GL_FLOAT,GL_FALSE,sizeof(Vector3)*2,0); + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer(VS::ARRAY_TEX_UV,3,GL_FLOAT,GL_FALSE,sizeof(Vector3)*2,((uint8_t*)NULL)+sizeof(Vector3)); + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glBindVertexArray(0); + glBindBuffer(GL_ARRAY_BUFFER,0); //unbind + } + render_list.init(); + state.cube_to_dp_shader.init(); + _generate_brdf(); + + shadow_atlas_realloc_tolerance_msec=500; + + + + + + int max_shadow_cubemap_sampler_size=512; + + int cube_size = max_shadow_cubemap_sampler_size; + + glActiveTexture(GL_TEXTURE0); + + while(cube_size>=32) { + + ShadowCubeMap cube; + cube.size=cube_size; + + glGenTextures(1,&cube.cubemap); + glBindTexture(GL_TEXTURE_CUBE_MAP,cube.cubemap); + //gen cubemap first + for(int i=0;i<6;i++) { + + glTexImage2D(_cube_side_enum[i], 0, GL_DEPTH_COMPONENT, cube.size, cube.size, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); + } + + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + // Remove artifact on the edges of the shadowmap + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); + + //gen renderbuffers second, because it needs a complete cubemap + for(int i=0;i<6;i++) { + + glGenFramebuffers(1, &cube.fbo_id[i]); + glBindFramebuffer(GL_FRAMEBUFFER, cube.fbo_id[i]); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,_cube_side_enum[i], cube.cubemap, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + ERR_CONTINUE(status!=GL_FRAMEBUFFER_COMPLETE); + } + + shadow_cubemaps.push_back(cube); + + cube_size>>=1; + } + + { + //directional light shadow + directional_shadow.light_count=0; + directional_shadow.size=nearest_power_of_2(GLOBAL_DEF("renderer/directional_shadow_size",2048)); + glGenFramebuffers(1,&directional_shadow.fbo); + glBindFramebuffer(GL_FRAMEBUFFER,directional_shadow.fbo); + glGenTextures(1,&directional_shadow.depth); + glBindTexture(GL_TEXTURE_2D,directional_shadow.depth); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, directional_shadow.size, directional_shadow.size, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,GL_TEXTURE_2D, directional_shadow.depth, 0); + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status!=GL_FRAMEBUFFER_COMPLETE) { + ERR_PRINT("Directional shadow framebuffer status invalid"); + } + } + + { + //spot and omni ubos + + int max_ubo_size; + glGetIntegerv(GL_MAX_UNIFORM_BLOCK_SIZE,&max_ubo_size); + const int ubo_light_size=160; + state.ubo_light_size=ubo_light_size; + state.max_ubo_lights=MIN(RenderList::MAX_LIGHTS,max_ubo_size/ubo_light_size); + print_line("max ubo light: "+itos(state.max_ubo_lights)); + + state.spot_array_tmp = (uint8_t*)memalloc(ubo_light_size*state.max_ubo_lights); + state.omni_array_tmp = (uint8_t*)memalloc(ubo_light_size*state.max_ubo_lights); + + + glGenBuffers(1, &state.spot_array_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.spot_array_ubo); + glBufferData(GL_UNIFORM_BUFFER, ubo_light_size*state.max_ubo_lights, NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + glGenBuffers(1, &state.omni_array_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.omni_array_ubo); + glBufferData(GL_UNIFORM_BUFFER, ubo_light_size*state.max_ubo_lights, NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + glGenBuffers(1, &state.directional_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.directional_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(LightDataUBO), NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + state.max_forward_lights_per_object=8; + + + state.scene_shader.add_custom_define("#define MAX_LIGHT_DATA_STRUCTS "+itos(state.max_ubo_lights)+"\n"); + state.scene_shader.add_custom_define("#define MAX_FORWARD_LIGHTS "+itos(state.max_forward_lights_per_object)+"\n"); + + state.max_ubo_reflections=MIN(RenderList::MAX_REFLECTIONS,max_ubo_size/sizeof(ReflectionProbeDataUBO)); + print_line("max ubo reflections: "+itos(state.max_ubo_reflections)+" ubo size: "+itos(sizeof(ReflectionProbeDataUBO))); + + state.reflection_array_tmp = (uint8_t*)memalloc(sizeof(ReflectionProbeDataUBO)*state.max_ubo_reflections); + + glGenBuffers(1, &state.reflection_array_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.reflection_array_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(ReflectionProbeDataUBO)*state.max_ubo_reflections, NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + state.scene_shader.add_custom_define("#define MAX_REFLECTION_DATA_STRUCTS "+itos(state.max_ubo_reflections)+"\n"); + + state.max_skeleton_bones=MIN(2048,max_ubo_size/(12*sizeof(float))); + state.scene_shader.add_custom_define("#define MAX_SKELETON_BONES "+itos(state.max_skeleton_bones)+"\n"); + + + } + + GLOBAL_DEF("rendering/gles3/shadow_filter_mode",1); + Globals::get_singleton()->set_custom_property_info("rendering/gles3/shadow_filter_mode",PropertyInfo(Variant::INT,"rendering/gles3/shadow_filter_mode",PROPERTY_HINT_ENUM,"Disabled,PCF5,PCF13")); + shadow_filter_mode=SHADOW_FILTER_NEAREST; + + { //reflection cubemaps + int max_reflection_cubemap_sampler_size=512; + + int cube_size = max_reflection_cubemap_sampler_size; + + glActiveTexture(GL_TEXTURE0); + + bool use_float=true; + + GLenum internal_format = use_float?GL_RGBA16F:GL_RGB10_A2; + GLenum format = GL_RGBA; + GLenum type = use_float?GL_HALF_FLOAT:GL_UNSIGNED_INT_2_10_10_10_REV; + + while(cube_size>=32) { + + ReflectionCubeMap cube; + cube.size=cube_size; + + glGenTextures(1,&cube.depth); + glBindTexture(GL_TEXTURE_2D,cube.depth); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, cube.size, cube.size, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + + glGenTextures(1,&cube.cubemap); + glBindTexture(GL_TEXTURE_CUBE_MAP,cube.cubemap); + //gen cubemap first + for(int i=0;i<6;i++) { + + glTexImage2D(_cube_side_enum[i], 0, internal_format, cube.size, cube.size, 0, format, type, NULL); + } + + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + // Remove artifact on the edges of the reflectionmap + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); + + //gen renderbuffers second, because it needs a complete cubemap + for(int i=0;i<6;i++) { + + glGenFramebuffers(1, &cube.fbo_id[i]); + glBindFramebuffer(GL_FRAMEBUFFER, cube.fbo_id[i]); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,_cube_side_enum[i], cube.cubemap, 0); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,GL_TEXTURE_2D, cube.depth, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + ERR_CONTINUE(status!=GL_FRAMEBUFFER_COMPLETE); + } + + reflection_cubemaps.push_back(cube); + + cube_size>>=1; + } + } + + { + + + uint32_t immediate_buffer_size=GLOBAL_DEF("rendering/gles3/immediate_buffer_size_kb",2048); + + glGenBuffers(1, &state.immediate_buffer); + glBindBuffer(GL_ARRAY_BUFFER, state.immediate_buffer); + glBufferData(GL_ARRAY_BUFFER, immediate_buffer_size*1024, NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glGenVertexArrays(1,&state.immediate_array); + + + + } + +#ifdef GLES_OVER_GL +//"desktop" opengl needs this. + glEnable(GL_PROGRAM_POINT_SIZE); + +#endif + + state.resolve_shader.init(); + state.ssr_shader.init(); + state.effect_blur_shader.init(); + state.sss_shader.init(); + state.ssao_minify_shader.init(); + state.ssao_shader.init(); + state.ssao_blur_shader.init(); + state.exposure_shader.init(); + state.tonemap_shader.init(); + + + { + GLOBAL_DEF("rendering/gles3/subsurface_scattering/quality",1); + Globals::get_singleton()->set_custom_property_info("rendering/gles3/subsurface_scattering/quality",PropertyInfo(Variant::INT,"rendering/gles3/subsurface_scattering/quality",PROPERTY_HINT_ENUM,"Low,Medium,High")); + GLOBAL_DEF("rendering/gles3/subsurface_scattering/max_size",1.0); + Globals::get_singleton()->set_custom_property_info("rendering/gles3/subsurface_scattering/max_size",PropertyInfo(Variant::INT,"rendering/gles3/subsurface_scattering/max_size",PROPERTY_HINT_RANGE,"0.01,8,0.01")); + GLOBAL_DEF("rendering/gles3/subsurface_scattering/follow_surface",false); + + GLOBAL_DEF("rendering/gles3/high_quality_vct_gi",true); + + + } + + exposure_shrink_size=243; + int max_exposure_shrink_size=exposure_shrink_size; + + while(max_exposure_shrink_size>0) { + + RasterizerStorageGLES3::RenderTarget::Exposure e; + + glGenFramebuffers(1, &e.fbo); + glBindFramebuffer(GL_FRAMEBUFFER, e.fbo); + + glGenTextures(1, &e.color); + glBindTexture(GL_TEXTURE_2D, e.color); + glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, max_exposure_shrink_size, max_exposure_shrink_size, 0, GL_RED, GL_FLOAT, NULL); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, e.color, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + exposure_shrink.push_back(e); + max_exposure_shrink_size/=3; + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + ERR_CONTINUE(status!=GL_FRAMEBUFFER_COMPLETE); + + + } + +} + +void RasterizerSceneGLES3::iteration() { + + shadow_filter_mode=ShadowFilterMode(int(Globals::get_singleton()->get("rendering/gles3/shadow_filter_mode"))); + subsurface_scatter_follow_surface=Globals::get_singleton()->get("rendering/gles3/subsurface_scattering/follow_surface"); + subsurface_scatter_quality=SubSurfaceScatterQuality(int(Globals::get_singleton()->get("rendering/gles3/subsurface_scattering/quality"))); + subsurface_scatter_size=Globals::get_singleton()->get("rendering/gles3/subsurface_scattering/max_size"); + + + state.scene_shader.set_conditional(SceneShaderGLES3::VCT_QUALITY_HIGH,Globals::get_singleton()->get("rendering/gles3/high_quality_vct_gi")); +} + +void RasterizerSceneGLES3::finalize(){ + + +} + + +RasterizerSceneGLES3::RasterizerSceneGLES3() +{ + +} |