diff options
Diffstat (limited to 'drivers/gles3/rasterizer_scene_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_scene_gles3.cpp | 730 |
1 files changed, 673 insertions, 57 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp index 4ae257abc4..e04908ea67 100644 --- a/drivers/gles3/rasterizer_scene_gles3.cpp +++ b/drivers/gles3/rasterizer_scene_gles3.cpp @@ -446,6 +446,338 @@ int RasterizerSceneGLES3::get_directional_light_shadow_size(RID p_light_intance) return shadow_size; } +////////////////////////////////////////////////////// + +RID RasterizerSceneGLES3::reflection_atlas_create() { + + ReflectionAtlas *reflection_atlas = memnew( ReflectionAtlas ); + reflection_atlas->subdiv=0; + reflection_atlas->color=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); + + 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); + 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; + + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 5); + + } + + + +} +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 */ @@ -464,26 +796,12 @@ void RasterizerSceneGLES3::environment_set_background(RID p_env,VS::EnvironmentB env->bg_mode=p_bg; } -void RasterizerSceneGLES3::environment_set_skybox(RID p_env, RID p_skybox, int p_radiance_size){ +void RasterizerSceneGLES3::environment_set_skybox(RID p_env, RID p_skybox){ Environment *env=environment_owner.getornull(p_env); ERR_FAIL_COND(!env); - if (env->skybox_color.is_valid()) { - env->skybox_color=RID(); - } - if (env->skybox_radiance.is_valid()) { - storage->free(env->skybox_radiance); - env->skybox_radiance=RID(); - } - - - if (p_skybox.is_valid()) { - - env->skybox_color=p_skybox; - env->skybox_radiance=storage->texture_create_radiance_cubemap(p_skybox,p_radiance_size); - //env->skybox_irradiance=storage->texture_create_pbr_cubemap(p_skybox,VS::PBR_CUBEMAP_IRRADIANCE,p_irradiance_size); - } + env->skybox=p_skybox; } @@ -775,6 +1093,7 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e) { RasterizerStorageGLES3::Surface *s = static_cast<RasterizerStorageGLES3::Surface*>(e->geometry); glBindVertexArray(s->array_id); // everything is so easy nowadays + } break; } @@ -821,6 +1140,8 @@ void RasterizerSceneGLES3::_setup_light(RenderList::Element *e) { 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); @@ -859,6 +1180,32 @@ void RasterizerSceneGLES3::_setup_light(RenderList::Element *e) { 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); + } + + } @@ -932,9 +1279,9 @@ void RasterizerSceneGLES3::_set_cull(bool p_front,bool p_reverse_cull) { -void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_element_count,const Transform& p_view_transform,const CameraMatrix& p_projection,RasterizerStorageGLES3::Texture* p_base_env,bool p_reverse_cull,bool p_alpha_pass,bool p_shadow,bool p_directional_add) { +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->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { //p_reverse_cull=!p_reverse_cull; glFrontFace(GL_CCW); } else { @@ -951,15 +1298,15 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e if (p_base_env) { glActiveTexture(GL_TEXTURE0+storage->config.max_texture_image_units-2); - glBindTexture(p_base_env->target,p_base_env->tex_id); - state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_CUBEMAP,true); + 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_CUBEMAP,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_MAP,false); } } else { - state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_CUBEMAP,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_MAP,false); } @@ -1038,7 +1385,7 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e 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 (directional_light->light_ptr->shadow) { + 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) { @@ -1076,7 +1423,7 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MIX: { glBlendEquation(GL_FUNC_ADD); - if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + 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 { @@ -1097,7 +1444,7 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e } break; case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MUL: { glBlendEquation(GL_FUNC_ADD); - if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + 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 { @@ -1154,7 +1501,7 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e glFrontFace(GL_CW); glBindVertexArray(0); - state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_CUBEMAP,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); @@ -1290,9 +1637,12 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g } } -void RasterizerSceneGLES3::_draw_skybox(RID p_skybox,const CameraMatrix& p_projection,const Transform& p_transform,bool p_vflip,float p_scale) { +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); + RasterizerStorageGLES3::Texture *tex = storage->texture_owner.getornull(p_skybox->cubemap); ERR_FAIL_COND(!tex); glActiveTexture(GL_TEXTURE0); @@ -1461,7 +1811,7 @@ void RasterizerSceneGLES3::_setup_environment(Environment *env,const CameraMatri } -void RasterizerSceneGLES3::_setup_directional_light(int p_index,const Transform& p_camera_inverse_transform) { +void RasterizerSceneGLES3::_setup_directional_light(int p_index,const Transform& p_camera_inverse_transform,bool p_use_shadows) { LightInstance *li = directional_lights[p_index]; @@ -1499,7 +1849,7 @@ void RasterizerSceneGLES3::_setup_directional_light(int p_index,const Transform& ubo_data.light_shadow_color[3]=1.0; - if (li->light_ptr->shadow) { + if (p_use_shadows && li->light_ptr->shadow) { int shadow_count=0; @@ -1568,7 +1918,6 @@ void RasterizerSceneGLES3::_setup_directional_light(int p_index,const Transform& 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); -// print_line("atlas rect: "+atlas_rect); CameraMatrix shadow_mtx = rectm * bias * li->shadow_transform[j].camera * modelview; @@ -1844,6 +2193,103 @@ void RasterizerSceneGLES3::_setup_lights(RID *p_light_cull_result,int p_light_cu } +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); @@ -1959,7 +2405,7 @@ void RasterizerSceneGLES3::_fill_render_list(InstanceBase** p_cull_result,int p_ } -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_environment,RID p_shadow_atlas){ +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++; @@ -1969,6 +2415,7 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C 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); @@ -1979,9 +2426,21 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C 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; + } _setup_environment(env,p_cam_projection,p_cam_transform); _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(); @@ -1998,24 +2457,55 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C glEnable(GL_DEPTH_TEST); glDisable(GL_SCISSOR_TEST); - RasterizerStorageGLES3::Texture* env_radiance_tex=NULL; - glViewport(0,0,storage->frame.current_rt->width,storage->frame.current_rt->height); + ReflectionProbeInstance *probe = reflection_probe_instance_owner.getornull(p_reflection_probe); + GLuint current_fbo; - if (use_mrt) { + if (probe) { - glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.fbo); - state.scene_shader.set_conditional(SceneShaderGLES3::USE_MULTIPLE_RENDER_TARGETS,true); + ReflectionAtlas *ref_atlas = reflection_atlas_owner.getptr(probe->atlas); + ERR_FAIL_COND(!ref_atlas); - Color black(0,0,0,0); - glClearBufferfv(GL_COLOR,1,black.components); // specular - glClearBufferfv(GL_COLOR,2,black.components); // normal metal rough + int target_size=ref_atlas->size/ref_atlas->subdiv; - } else { + int cubemap_index=reflection_cubemaps.size()-1; - glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.alpha_fbo); + 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 { + + 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); + + Color black(0,0,0,0); + glClearBufferfv(GL_COLOR,1,black.components); // specular + glClearBufferfv(GL_COLOR,2,black.components); // normal metal rough + + } else { + + current_fbo = storage->frame.current_rt->buffers.alpha_fbo; + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.alpha_fbo); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_MULTIPLE_RENDER_TARGETS,false); + + } } @@ -2024,6 +2514,9 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C 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) { @@ -2039,8 +2532,10 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C storage->frame.clear_request=false; } else if (env->bg_mode==VS::ENV_BG_SKYBOX) { - if (env->skybox_radiance.is_valid()) { - env_radiance_tex = storage->texture_owner.getornull(env->skybox_radiance); + skybox = storage->skybox_owner.getornull(env->skybox); + + if (skybox) { + env_radiance_tex=skybox->radiance; } storage->frame.clear_request=false; @@ -2055,7 +2550,7 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C glBlendEquation(GL_FUNC_ADD); - if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + 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); @@ -2065,23 +2560,25 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C render_list.sort_by_key(false); - if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + 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); + _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()); - _render_list(render_list.elements,render_list.element_count,p_cam_transform,p_cam_projection,env_radiance_tex,false,false,false,i>0); + _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); } } @@ -2095,7 +2592,7 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.alpha_fbo); //switch to alpha fbo for skybox, only diffuse/ambient matters } - _draw_skybox(env->skybox_color,p_cam_projection,p_cam_transform,storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP],env->skybox_scale); + _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); } @@ -2112,24 +2609,30 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C glDepthMask(GL_TRUE); glEnable(GL_DEPTH_TEST); glDisable(GL_SCISSOR_TEST); - glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.alpha_fbo); - - render_list.sort_by_depth(true); + if (use_mrt) { + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->buffers.alpha_fbo); + } + 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); + _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()); - _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); + _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; + } + _copy_to_front_buffer(env); /* if (shadow_atlas) { @@ -2143,6 +2646,17 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C } */ + + 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); @@ -2154,6 +2668,16 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,const C } + 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) { @@ -2534,7 +3058,7 @@ void RasterizerSceneGLES3::render_shadow(RID p_light,RID p_shadow_atlas,int p_pa state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_SHADOW,true); - _render_list(render_list.elements,render_list.element_count,light_transform,light_projection,NULL,!flip_facing,false,true,false); + _render_list(render_list.elements,render_list.element_count,light_transform,light_projection,NULL,!flip_facing,false,true,false,false); state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_SHADOW,false); state.scene_shader.set_conditional(SceneShaderGLES3::RENDER_SHADOW_DUAL_PARABOLOID,false); @@ -2624,6 +3148,19 @@ bool RasterizerSceneGLES3::free(RID 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; @@ -2890,6 +3427,7 @@ void RasterizerSceneGLES3::initialize() { const int ubo_light_size=160; state.ubo_light_size=ubo_light_size; state.max_ubo_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); @@ -2912,10 +3450,21 @@ void RasterizerSceneGLES3::initialize() { 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=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"); } @@ -2923,6 +3472,73 @@ void RasterizerSceneGLES3::initialize() { 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; + } + } + + +#ifdef GLEW_ENABLED +//"desktop" opengl needs this. + glEnable(GL_POINT_SPRITE); + glEnable(GL_VERTEX_PROGRAM_POINT_SIZE); + +#endif } void RasterizerSceneGLES3::iteration() { |