diff options
Diffstat (limited to 'drivers/gles3/rasterizer_scene_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_scene_gles3.cpp | 709 |
1 files changed, 648 insertions, 61 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp index 4ce2bd2f37..aadf9e6336 100644 --- a/drivers/gles3/rasterizer_scene_gles3.cpp +++ b/drivers/gles3/rasterizer_scene_gles3.cpp @@ -75,7 +75,7 @@ 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, int p_irradiance_size){ +void RasterizerSceneGLES3::environment_set_skybox(RID p_env, RID p_skybox, int p_radiance_size){ Environment *env=environment_owner.getornull(p_env); ERR_FAIL_COND(!env); @@ -87,15 +87,12 @@ void RasterizerSceneGLES3::environment_set_skybox(RID p_env, RID p_skybox, int p storage->free(env->skybox_radiance); env->skybox_radiance=RID(); } - if (env->skybox_irradiance.is_valid()) { - storage->free(env->skybox_irradiance); - env->skybox_irradiance=RID(); - } + if (p_skybox.is_valid()) { env->skybox_color=p_skybox; - // env->skybox_radiance=storage->texture_create_pbr_cubemap(p_skybox,VS::PBR_CUBEMAP_RADIANCE,p_radiance_size); + 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); } @@ -123,7 +120,7 @@ void RasterizerSceneGLES3::environment_set_bg_energy(RID p_env,float p_energy) { Environment *env=environment_owner.getornull(p_env); ERR_FAIL_COND(!env); - env->energy=p_energy; + env->bg_energy=p_energy; } @@ -135,14 +132,14 @@ void RasterizerSceneGLES3::environment_set_canvas_max_layer(RID p_env,int p_max_ 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_energy){ +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_anergy=p_energy; - env->skybox_ambient=p_skybox_energy; + env->ambient_energy=p_energy; + env->ambient_skybox_contribution=p_skybox_contribution; } @@ -174,13 +171,28 @@ void RasterizerSceneGLES3::environment_set_color_correction(RID p_env,bool p_ena RID RasterizerSceneGLES3::light_instance_create(RID p_light) { + LightInstance *light_instance = memnew( LightInstance ); + + light_instance->light=p_light; + light_instance->light_ptr=storage->light_owner.getornull(p_light); + + glGenBuffers(1, &light_instance->light_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, light_instance->light_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(LightInstance::LightDataUBO), NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + - return RID(); + ERR_FAIL_COND_V(!light_instance->light_ptr,RID()); + + return light_instance_owner.make_rid(light_instance); } 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; } @@ -247,11 +259,13 @@ bool RasterizerSceneGLES3::_setup_material(RasterizerStorageGLES3::Material* p_m //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); } @@ -267,6 +281,7 @@ bool RasterizerSceneGLES3::_setup_material(RasterizerStorageGLES3::Material* p_m RasterizerStorageGLES3::Texture *t = storage->texture_owner.getornull( textures[i] ); if (!t) { //check hints + glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex); continue; } @@ -328,7 +343,14 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) { } -void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_element_count,const Transform& p_view_transform,const CameraMatrix& p_projection,bool p_reverse_cull,bool p_alpha_pass) { +void RasterizerSceneGLES3::_setup_light(LightInstance *p_light) { + + + glBindBufferBase(GL_UNIFORM_BUFFER,3,p_light->light_ubo); //bind light uniform +} + + +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) { if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { //p_reverse_cull=!p_reverse_cull; @@ -337,8 +359,22 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e glFrontFace(GL_CW); } + bool shadow=false; + glBindBufferBase(GL_UNIFORM_BUFFER,0,state.scene_ubo); //bind globals ubo + + 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(p_base_env->target,p_base_env->tex_id); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_RADIANCE_CUBEMAP,true); + } + + state.scene_shader.set_conditional(SceneShaderGLES3::USE_SKELETON,false); state.current_blend_mode=-1; @@ -349,6 +385,11 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e RasterizerStorageGLES3::Geometry* prev_geometry=NULL; VS::InstanceType prev_base_type = VS::INSTANCE_MAX; + int prev_light_type=-1; + int prev_light_index=-1; + int prev_blend=-1; + int current_blend_mode=-1; + for (int i=0;i<p_element_count;i++) { RenderList::Element *e = p_elements[i]; @@ -356,6 +397,151 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements,int p_e bool rebind=i==0; + int light_type=(e->sort_key>>RenderList::SORT_KEY_LIGHT_TYPE_SHIFT)&0xF; + int light_index=(e->sort_key>>RenderList::SORT_KEY_LIGHT_INDEX_SHIFT)&0xFFFF; + + bool additive=false; + + if (!shadow) { +#if 0 + if (texscreen_used && !texscreen_copied && material->shader_cache && material->shader_cache->valid && material->shader_cache->has_texscreen) { + texscreen_copied=true; + _copy_to_texscreen(); + + //force reset state + prev_material=NULL; + prev_light=0x777E; + prev_geometry_cmp=NULL; + prev_light_type=0xEF; + prev_skeleton =NULL; + prev_sort_flags=0xFF; + prev_morph_values=NULL; + prev_receive_shadows_state=-1; + glEnable(GL_BLEND); + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + + } +#endif + if (light_type!=prev_light_type /* || receive_shadows_state!=prev_receive_shadows_state*/) { + + if (material->shader->spatial.unshaded/* || current_debug==VS::SCENARIO_DEBUG_SHADELESS*/) { + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_LIGHTING,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_DIRECTIONAL,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_OMNI,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_SPOT,false); + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,true); + + //state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,true); + } else { + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,false); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_LIGHTING,light_type!=0xF); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_DIRECTIONAL,light_type==VS::LIGHT_DIRECTIONAL); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_OMNI,light_type==VS::LIGHT_OMNI); + state.scene_shader.set_conditional(SceneShaderGLES3::USE_FORWARD_SPOT,light_type==VS::LIGHT_SPOT); + /* + if (receive_shadows_state==1) { + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_SHADOW,(light_type&0x8)); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM,(light_type&0x10)); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM4,(light_type&0x20)); + } + else { + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_SHADOW,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM,false); + state.scene_shader.set_conditional(SceneShaderGLES3::LIGHT_USE_PSSM4,false); + } + state.scene_shader.set_conditional(SceneShaderGLES3::SHADELESS,false); + */ + } + + rebind=true; + } + + + if (!*e->additive_ptr) { + + additive=false; + *e->additive_ptr=true; + } else { + additive=true; + } + + bool desired_blend=false; + int desired_blend_mode=RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MIX; + + if (additive) { + desired_blend=true; + desired_blend_mode=RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_ADD; + } else { + desired_blend=p_alpha_pass; + desired_blend_mode=material->shader->spatial.blend_mode; + } + + if (prev_blend!=desired_blend) { + + if (desired_blend) { + glEnable(GL_BLEND); + if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glColorMask(1,1,1,0); + } + } else { + glDisable(GL_BLEND); + glColorMask(1,1,1,1); + } + + prev_blend=desired_blend; + } + + if (desired_blend && 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->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; + + } + + current_blend_mode=desired_blend_mode; + } + } + + if (light_index!=prev_light_index) { + if (light_index!=0xFFFF) { //not unshaded + _setup_light(light_instances[light_index]); + } + } + if (material!=prev_material || rebind) { rebind = _setup_material(material,p_alpha_pass); @@ -396,6 +582,7 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g 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) { @@ -404,8 +591,10 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g #endif */ + if (m_src.is_valid()) { m=storage->material_owner.getornull( m_src ); + if (!m->shader) { m=NULL; } @@ -419,9 +608,10 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g - //bool has_base_alpha=(m->shader_cache && m->shader_cache->has_alpha); - //bool has_blend_alpha=m->blend_mode!=VS::MATERIAL_BLEND_MODE_MIX || m->flags[VS::MATERIAL_FLAG_ONTOP]; - bool has_alpha = false; //has_base_alpha || has_blend_alpha; + 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; #if 0 if (shadow) { @@ -488,12 +678,13 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g e->additive_ptr=&e->additive; e->sort_key=0; + if (e->geometry->last_pass!=render_pass) { e->geometry->last_pass=render_pass; e->geometry->index=current_geometry_index++; } - e->sort_key|=uint64_t(e->instance->base_type)<<RenderList::SORT_KEY_GEOMETRY_INDEX_SHIFT; + 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 (e->material->last_pass!=render_pass) { @@ -502,7 +693,6 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g } 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 (e->geometry->type==RasterizerStorageGLES3::Geometry::GEOMETRY_MULTISURFACE) @@ -510,42 +700,45 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g bool mirror = e->instance->mirror; -// if (m->flags[VS::MATERIAL_FLAG_INVERT_FACES]) -// e->mirror=!e->mirror; + if (m->shader->spatial.cull_mode==RasterizerStorageGLES3::Shader::Spatial::CULL_MODE_FRONT) { + mirror=!mirror; + } if (mirror) { e->sort_key|=RenderList::SORT_KEY_MIRROR_FLAG; } //e->light_type=0xFF; // no lights! - e->sort_key|=uint64_t(0xF)<<RenderList::SORT_KEY_LIGHT_TYPE_SHIFT; //light type 0xF is no light? - e->sort_key|=uint64_t(0xFFFF)<<RenderList::SORT_KEY_LIGHT_INDEX_SHIFT; -/* prepass - if (!shadow && !has_blend_alpha && has_alpha && m->depth_draw_mode==VS::MATERIAL_DEPTH_DRAW_OPAQUE_PRE_PASS_ALPHA) { + + if (!shadow && !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 = opaque_render_list.add_element(); + RenderList::Element *oe = render_list.add_element(); if (!oe) return; - memcpy(oe,e,sizeof(RenderList::Element)); + copymem(oe,e,sizeof(RenderList::Element)); oe->additive_ptr=&oe->additive; } -*/ -#if 0 - if (shadow || m->flags[VS::MATERIAL_FLAG_UNSHADED] || current_debug==VS::SCENARIO_DEBUG_SHADELESS) { - e->light_type=0x7F; //unshaded is zero + + + if (shadow || m->shader->spatial.unshaded /*|| current_debug==VS::SCENARIO_DEBUG_SHADELESS*/) { + + e->sort_key=RenderList::SORT_KEY_LIGHT_INDEX_UNSHADED; + e->sort_key|=uint64_t(0xF)<<RenderList::SORT_KEY_LIGHT_TYPE_SHIFT; //light type 0xF is no light? + e->sort_key|=uint64_t(0xFFFF)<<RenderList::SORT_KEY_LIGHT_INDEX_SHIFT; } else { bool duplicate=false; + bool lighted=false; - for(int i=0;i<directional_light_count;i++) { - uint16_t sort_key = directional_lights[i]->sort_key; - uint8_t light_type = VS::LIGHT_DIRECTIONAL; + for(int i=0;i<directional_light_instance_count;i++) { + +/* if (directional_lights[i]->base->shadow_enabled) { light_type|=0x8; if (directional_lights[i]->base->directional_shadow_mode==VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS) @@ -554,22 +747,24 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g light_type|=0x30; } +*/ RenderList::Element *ec; if (duplicate) { - - ec = render_list->add_element(); - memcpy(ec,e,sizeof(RenderList::Element)); + ec = render_list.add_element(); + copymem(ec,e,sizeof(RenderList::Element)); } else { ec=e; duplicate=true; } - ec->light_type=light_type; - ec->light=sort_key; ec->additive_ptr=&e->additive; + ec->sort_key|=uint64_t(directional_light_instances[i]->light_index) << RenderList::SORT_KEY_LIGHT_INDEX_SHIFT; + ec->sort_key|=uint64_t(VS::LIGHT_DIRECTIONAL) << RenderList::SORT_KEY_LIGHT_TYPE_SHIFT; + + lighted=true; } @@ -580,37 +775,45 @@ void RasterizerSceneGLES3::_add_geometry( RasterizerStorageGLES3::Geometry* p_g for(int i=0;i<ilc;i++) { - LightInstance *li=light_instance_owner.get( liptr[i] ); - if (!li || li->last_pass!=scene_pass) //lit by light not in visible scene + LightInstance *li=light_instance_owner.getptr( liptr[i] ); + + if (!li || li->last_pass!=render_pass) //lit by light not in visible scene continue; - uint8_t light_type=li->base->type|0x40; //penalty to ensure directionals always go first - if (li->base->shadow_enabled) { - light_type|=0x8; - } - uint16_t sort_key =li->sort_key; + + +// if (li->base->shadow_enabled) { +// light_type|=0x8; +// } RenderList::Element *ec; if (duplicate) { - ec = render_list->add_element(); - memcpy(ec,e,sizeof(RenderList::Element)); + ec = render_list.add_element(); + copymem(ec,e,sizeof(RenderList::Element)); } else { duplicate=true; ec=e; } - ec->light_type=light_type; - ec->light=sort_key; ec->additive_ptr=&e->additive; + ec->sort_key|=uint64_t(li->light_index) << RenderList::SORT_KEY_LIGHT_INDEX_SHIFT; + ec->sort_key|=uint64_t(li->light_ptr->type) << RenderList::SORT_KEY_LIGHT_TYPE_SHIFT; + + lighted=true; } + if (!lighted) { + e->sort_key|=uint64_t(0xE)<<RenderList::SORT_KEY_LIGHT_TYPE_SHIFT; //light type 0xE is no light found + e->sort_key|=uint64_t(0xFFFF)<<RenderList::SORT_KEY_LIGHT_INDEX_SHIFT; + } + } -#endif + } void RasterizerSceneGLES3::_draw_skybox(RID p_skybox,CameraMatrix& p_projection,const Transform& p_transform,bool p_vflip,float p_scale) { @@ -625,19 +828,20 @@ void RasterizerSceneGLES3::_draw_skybox(RID p_skybox,CameraMatrix& p_projection, 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,0.1), + Vector3(-1,-1*flip_sign,1), Vector3( 0, 1, 0), - Vector3( 1,-1*flip_sign,0.1), + Vector3( 1,-1*flip_sign,1), Vector3( 1, 1, 0), - Vector3( 1, 1*flip_sign,0.1), + Vector3( 1, 1*flip_sign,1), Vector3( 1, 0, 0), - Vector3(-1, 1*flip_sign,0.1), - Vector3( 0, 0, 0), + Vector3(-1, 1*flip_sign,1), + Vector3( 0, 0, 0) }; @@ -677,27 +881,248 @@ void RasterizerSceneGLES3::_draw_skybox(RID p_skybox,CameraMatrix& p_projection, } -void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,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_directional_lights,int p_directional_light_count,RID p_environment){ +void RasterizerSceneGLES3::_setup_environment(Environment *env,CameraMatrix& p_cam_projection,const Transform& p_cam_transform) { - //fill up ubo + //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; + } 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; + + } 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_lights(RID *p_light_cull_result,int p_light_cull_count,const Transform& p_camera_inverse_transform) { + + directional_light_instance_count=0; + light_instance_count=0; + + 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]); + + switch(li->light_ptr->type) { + + case VS::LIGHT_DIRECTIONAL: { + + ERR_FAIL_COND( directional_light_instance_count >= RenderList::MAX_LIGHTS); + directional_light_instances[directional_light_instance_count++]=li; + + li->light_ubo_data.light_color_energy[0]=li->light_ptr->color.r; + li->light_ubo_data.light_color_energy[1]=li->light_ptr->color.g; + li->light_ubo_data.light_color_energy[2]=li->light_ptr->color.b; + li->light_ubo_data.light_color_energy[3]=li->light_ptr->param[VS::LIGHT_PARAM_ENERGY]; + + //omni, keep at 0 + li->light_ubo_data.light_pos_inv_radius[0]=0.0; + li->light_ubo_data.light_pos_inv_radius[1]=0.0; + li->light_ubo_data.light_pos_inv_radius[2]=0.0; + li->light_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(); + li->light_ubo_data.light_direction_attenuation[0]=direction.x; + li->light_ubo_data.light_direction_attenuation[1]=direction.y; + li->light_ubo_data.light_direction_attenuation[2]=direction.z; + li->light_ubo_data.light_direction_attenuation[3]=1.0; + + li->light_ubo_data.light_params[0]=0; + li->light_ubo_data.light_params[1]=li->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; + li->light_ubo_data.light_params[2]=0; + li->light_ubo_data.light_params[3]=0; - render_list.clear(); + +#if 0 + if (li->light_ptr->shadow_enabled) { + CameraMatrix bias; + bias.set_light_bias(); + + int passes=light_instance_get_shadow_passes(p_light_instance); + + for(int i=0;i<passes;i++) { + Transform modelview=Transform(camera_transform_inverse * li->custom_transform[i]).inverse(); + li->shadow_projection[i] = bias * li->custom_projection[i] * modelview; + } + lights_use_shadow=true; + } +#endif + } break; + case VS::LIGHT_OMNI: { + + li->light_ubo_data.light_color_energy[0]=li->light_ptr->color.r; + li->light_ubo_data.light_color_energy[1]=li->light_ptr->color.g; + li->light_ubo_data.light_color_energy[2]=li->light_ptr->color.b; + li->light_ubo_data.light_color_energy[3]=li->light_ptr->param[VS::LIGHT_PARAM_ENERGY]; + + Vector3 pos = p_camera_inverse_transform.xform(li->transform.origin); + + //directional, keep at 0 + li->light_ubo_data.light_pos_inv_radius[0]=pos.x; + li->light_ubo_data.light_pos_inv_radius[1]=pos.y; + li->light_ubo_data.light_pos_inv_radius[2]=pos.z; + li->light_ubo_data.light_pos_inv_radius[3]=1.0/MAX(0.001,li->light_ptr->param[VS::LIGHT_PARAM_RANGE]); + + li->light_ubo_data.light_direction_attenuation[0]=0; + li->light_ubo_data.light_direction_attenuation[1]=0; + li->light_ubo_data.light_direction_attenuation[2]=0; + li->light_ubo_data.light_direction_attenuation[3]=li->light_ptr->param[VS::LIGHT_PARAM_ATTENUATION]; + + li->light_ubo_data.light_params[0]=0; + li->light_ubo_data.light_params[1]=li->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; + li->light_ubo_data.light_params[2]=0; + li->light_ubo_data.light_params[3]=0; + +#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: { + + li->light_ubo_data.light_color_energy[0]=li->light_ptr->color.r; + li->light_ubo_data.light_color_energy[1]=li->light_ptr->color.g; + li->light_ubo_data.light_color_energy[2]=li->light_ptr->color.b; + li->light_ubo_data.light_color_energy[3]=li->light_ptr->param[VS::LIGHT_PARAM_ENERGY]; + + Vector3 pos = p_camera_inverse_transform.xform(li->transform.origin); + + //directional, keep at 0 + li->light_ubo_data.light_pos_inv_radius[0]=pos.x; + li->light_ubo_data.light_pos_inv_radius[1]=pos.y; + li->light_ubo_data.light_pos_inv_radius[2]=pos.z; + li->light_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(); + li->light_ubo_data.light_direction_attenuation[0]=direction.x; + li->light_ubo_data.light_direction_attenuation[1]=direction.y; + li->light_ubo_data.light_direction_attenuation[2]=direction.z; + li->light_ubo_data.light_direction_attenuation[3]=li->light_ptr->param[VS::LIGHT_PARAM_ATTENUATION]; + + li->light_ubo_data.light_params[0]=li->light_ptr->param[VS::LIGHT_PARAM_SPOT_ATTENUATION]; + li->light_ubo_data.light_params[1]=li->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; + li->light_ubo_data.light_params[2]=0; + li->light_ubo_data.light_params[3]=0; + +#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; + + } + + + /* make light hash */ + + // actually, not really a hash, but helps to sort the lights + // and avoid recompiling redudant shader versions + + + li->last_pass=render_pass; + li->light_index=i; + + //update UBO for forward rendering, blit to texture for clustered + + glBindBuffer(GL_UNIFORM_BUFFER, li->light_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(LightInstance::LightDataUBO), &li->light_ubo_data); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + light_instances[i]=li; + } + +} + +void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,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_directional_lights,int p_directional_light_count,RID p_environment){ + + //first of all, make a new render pass render_pass++; + + //fill up ubo + + Environment *env = environment_owner.getornull(p_environment); + + _setup_environment(env,p_cam_projection,p_cam_transform); + + _setup_lights(p_light_cull_result,p_light_cull_count,p_cam_transform.affine_inverse()); + + render_list.clear(); + current_material_index=0; //fill list @@ -744,8 +1169,7 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,CameraM glClearDepth(1.0); glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->front.fbo); - - Environment *env = environment_owner.getornull(p_environment); + RasterizerStorageGLES3::Texture* env_radiance_tex; if (!env || env->bg_mode==VS::ENV_BG_CLEAR_COLOR) { @@ -756,12 +1180,21 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,CameraM storage->frame.clear_request=false; } + } else if (env->bg_mode==VS::ENV_BG_COLOR) { glClearColor( env->bg_color.r, env->bg_color.g, env->bg_color.b, env->bg_color.a ); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); 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); + } + glClear(GL_DEPTH_BUFFER_BIT); + storage->frame.clear_request=false; + } else { glClear(GL_DEPTH_BUFFER_BIT); storage->frame.clear_request=false; @@ -810,7 +1243,7 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,CameraM // } - _render_list(render_list.elements,render_list.element_count,p_cam_transform,p_cam_projection,false,false); + _render_list(render_list.elements,render_list.element_count,p_cam_transform,p_cam_projection,env_radiance_tex,false,false); if (env && env->bg_mode==VS::ENV_BG_SKYBOX) { @@ -824,6 +1257,17 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,CameraM // state.scene_shader.set_conditional( SceneShaderGLES3::USE_FOG,false); glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); + glEnable(GL_BLEND); + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->front.fbo); + + render_list.sort_by_depth(true); + + _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,false); + + #if 0 if (use_fb) { @@ -972,7 +1416,143 @@ void RasterizerSceneGLES3::render_scene(const Transform& p_cam_transform,CameraM bool RasterizerSceneGLES3::free(RID p_rid) { - return false; + if (light_instance_owner.owns(p_rid)) { + + LightInstance *light_instance = light_instance_owner.getptr(p_rid); + glDeleteBuffers(1,&light_instance->light_ubo); + light_instance_owner.free(p_rid); + memdelete(light_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 * M_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); } @@ -989,6 +1569,12 @@ void RasterizerSceneGLES3::initialize() { 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; @@ -1017,6 +1603,7 @@ void RasterizerSceneGLES3::initialize() { glBindBuffer(GL_ARRAY_BUFFER,0); //unbind } render_list.init(); + _generate_brdf(); } void RasterizerSceneGLES3::finalize(){ |