/*************************************************************************/ /* rasterizer_scene_gles2.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "rasterizer_scene_gles2.h" #include "math/transform.h" #include "math_funcs.h" #include "os/os.h" #include "project_settings.h" #include "rasterizer_canvas_gles2.h" #include "servers/visual/visual_server_raster.h" #include "vmap.h" #ifndef GLES_OVER_GL #define glClearDepth glClearDepthf #endif 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, }; /* SHADOW ATLAS API */ RID RasterizerSceneGLES2::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 RasterizerSceneGLES2::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 = next_power_of_2(p_size); if (p_size == shadow_atlas->size) return; // erase the old atlast if (shadow_atlas->fbo) { glDeleteTextures(1, &shadow_atlas->depth); glDeleteFramebuffers(1, &shadow_atlas->fbo); shadow_atlas->fbo = 0; shadow_atlas->depth = 0; } // erase shadow atlast references from lights for (Map::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); } 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 depth texture glActiveTexture(GL_TEXTURE0); glGenTextures(1, &shadow_atlas->depth); glBindTexture(GL_TEXTURE_2D, shadow_atlas->depth); glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, 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); glDepthMask(GL_TRUE); glClearDepth(0.0f); glClear(GL_DEPTH_BUFFER_BIT); glBindFramebuffer(GL_FRAMEBUFFER, 0); } } void RasterizerSceneGLES2::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 = next_power_of_2(p_subdivision); if (subdiv & 0xaaaaaaaa) { // sqrt(subdiv) must be integer subdiv <<= 1; } subdiv = int(Math::sqrt((float)subdiv)); if (shadow_atlas->quadrants[p_quadrant].shadows.size() == subdiv) return; // erase all data from the 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); shadow_atlas->quadrants[p_quadrant].subdivision = subdiv; // cache the smallest subdivision for faster allocations 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; } // re-sort the quadrants 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 RasterizerSceneGLES2::_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 == (uint32_t)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.ptrw(); int found_free_idx = -1; // found a free one int found_used_idx = -1; // found an existing one, must steal it uint64_t min_pass = 0; // pass of the existing one, try to use the least recently 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 RasterizerSceneGLES2::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, next_power_of_2(quad_size * p_coverage)); int valid_quadrants[4]; int valid_quadrant_count = 0; int best_size = -1; int best_subdiv = -1; 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; } int max_fit = quad_size / sd; if (best_size != -1 && max_fit > best_size) { break; // what we asked for is bigger than this. } valid_quadrants[valid_quadrant_count] = q; valid_quadrant_count++; best_subdiv = sd; if (max_fit >= desired_fit) { best_size = max_fit; } } ERR_FAIL_COND_V(valid_quadrant_count == 0, false); // no suitable block available uint64_t tick = OS::get_singleton()->get_ticks_msec(); if (shadow_atlas->shadow_owners.has(p_light_intance)) { // light was already known! 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 != (uint32_t)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.write[s].version = p_light_version; return should_redraw; } int new_quadrant; int 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.write[new_shadow]; if (sh->owner.is_valid()) { // it is take but invalid, so we can take 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.write[s].version = 0; shadow_atlas->quadrants[q].shadows.write[s].owner = RID(); sh->owner = p_light_intance; sh->alloc_tick = tick; sh->version = p_light_version; li->shadow_atlases.insert(p_atlas); // make a new key key = new_quadrant << ShadowAtlas::QUADRANT_SHIFT; key |= new_shadow; // update it in the map shadow_atlas->shadow_owners[p_light_intance] = key; // make it dirty, so we redraw return true; } // no better place found, so we keep the current place shadow_atlas->quadrants[q].shadows.write[s].version = p_light_version; return should_redraw; } int new_quadrant; int new_shadow; 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.write[new_shadow]; if (sh->owner.is_valid()) { // it is take but invalid, so we can take 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; li->shadow_atlases.insert(p_atlas); // make a new key uint32_t key = new_quadrant << ShadowAtlas::QUADRANT_SHIFT; key |= new_shadow; // update it in the map shadow_atlas->shadow_owners[p_light_intance] = key; // make it dirty, so we redraw return true; } return false; } void RasterizerSceneGLES2::set_directional_shadow_count(int p_count) { directional_shadow.light_count = p_count; directional_shadow.current_light = 0; } int RasterizerSceneGLES2::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 RasterizerSceneGLES2::reflection_atlas_create() { return RID(); } void RasterizerSceneGLES2::reflection_atlas_set_size(RID p_ref_atlas, int p_size) { } void RasterizerSceneGLES2::reflection_atlas_set_subdivision(RID p_ref_atlas, int p_subdiv) { } //////////////////////////////////////////////////// RID RasterizerSceneGLES2::reflection_probe_instance_create(RID p_probe) { return RID(); } void RasterizerSceneGLES2::reflection_probe_instance_set_transform(RID p_instance, const Transform &p_transform) { } void RasterizerSceneGLES2::reflection_probe_release_atlas_index(RID p_instance) { } bool RasterizerSceneGLES2::reflection_probe_instance_needs_redraw(RID p_instance) { return false; } bool RasterizerSceneGLES2::reflection_probe_instance_has_reflection(RID p_instance) { return false; } bool RasterizerSceneGLES2::reflection_probe_instance_begin_render(RID p_instance, RID p_reflection_atlas) { return false; } bool RasterizerSceneGLES2::reflection_probe_instance_postprocess_step(RID p_instance) { return false; } /* ENVIRONMENT API */ RID RasterizerSceneGLES2::environment_create() { Environment *env = memnew(Environment); return environment_owner.make_rid(env); } void RasterizerSceneGLES2::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 RasterizerSceneGLES2::environment_set_sky(RID p_env, RID p_sky) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); env->sky = p_sky; } void RasterizerSceneGLES2::environment_set_sky_custom_fov(RID p_env, float p_scale) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); env->sky_custom_fov = p_scale; } void RasterizerSceneGLES2::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 RasterizerSceneGLES2::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 RasterizerSceneGLES2::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 RasterizerSceneGLES2::environment_set_ambient_light(RID p_env, const Color &p_color, float p_energy, float p_sky_contribution) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); env->ambient_color = p_color; env->ambient_energy = p_energy; env->ambient_sky_contribution = p_sky_contribution; } void RasterizerSceneGLES2::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); } void RasterizerSceneGLES2::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); } void RasterizerSceneGLES2::environment_set_glow(RID p_env, bool p_enable, int p_level_flags, float p_intensity, float p_strength, float p_bloom_threshold, VS::EnvironmentGlowBlendMode p_blend_mode, float p_hdr_bleed_threshold, float p_hdr_bleed_scale, bool p_bicubic_upscale) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::environment_set_fog(RID p_env, bool p_enable, float p_begin, float p_end, RID p_gradient_texture) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_in, float p_fade_out, float p_depth_tolerance, bool p_roughness) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::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, float p_ao_channel_affect, const Color &p_color, VS::EnvironmentSSAOQuality p_quality, VisualServer::EnvironmentSSAOBlur p_blur, float p_bilateral_sharpness) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::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); } void RasterizerSceneGLES2::environment_set_adjustment(RID p_env, bool p_enable, float p_brightness, float p_contrast, float p_saturation, RID p_ramp) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::environment_set_fog(RID p_env, bool p_enable, const Color &p_color, const Color &p_sun_color, float p_sun_amount) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::environment_set_fog_depth(RID p_env, bool p_enable, float p_depth_begin, float p_depth_curve, bool p_transmit, float p_transmit_curve) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } void RasterizerSceneGLES2::environment_set_fog_height(RID p_env, bool p_enable, float p_min_height, float p_max_height, float p_height_curve) { Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND(!env); } bool RasterizerSceneGLES2::is_environment(RID p_env) { return environment_owner.owns(p_env); } VS::EnvironmentBG RasterizerSceneGLES2::environment_get_background(RID p_env) { const Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND_V(!env, VS::ENV_BG_MAX); return env->bg_mode; } int RasterizerSceneGLES2::environment_get_canvas_max_layer(RID p_env) { const Environment *env = environment_owner.getornull(p_env); ERR_FAIL_COND_V(!env, -1); return env->canvas_max_layer; } RID RasterizerSceneGLES2::light_instance_create(RID p_light) { LightInstance *light_instance = memnew(LightInstance); light_instance->last_scene_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 RasterizerSceneGLES2::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 RasterizerSceneGLES2::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, float p_bias_scale) { 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; light_instance->shadow_transform[p_pass].bias_scale = p_bias_scale; } void RasterizerSceneGLES2::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 RasterizerSceneGLES2::gi_probe_instance_create() { return RID(); } void RasterizerSceneGLES2::gi_probe_instance_set_light_data(RID p_probe, RID p_base, RID p_data) { } void RasterizerSceneGLES2::gi_probe_instance_set_transform_to_data(RID p_probe, const Transform &p_xform) { } void RasterizerSceneGLES2::gi_probe_instance_set_bounds(RID p_probe, const Vector3 &p_bounds) { } //////////////////////////// //////////////////////////// //////////////////////////// void RasterizerSceneGLES2::_add_geometry(RasterizerStorageGLES2::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES2::GeometryOwner *p_owner, int p_material, bool p_depth_pass, bool p_shadow_pass) { RasterizerStorageGLES2::Material *material = NULL; RID material_src; if (p_instance->material_override.is_valid()) { material_src = p_instance->material_override; } else if (p_material >= 0) { material_src = p_instance->materials[p_material]; } else { material_src = p_geometry->material; } if (material_src.is_valid()) { material = storage->material_owner.getornull(material_src); if (!material->shader || !material->shader->valid) { material = NULL; } } if (!material) { material = storage->material_owner.getptr(default_material); } ERR_FAIL_COND(!material); _add_geometry_with_material(p_geometry, p_instance, p_owner, material, p_depth_pass, p_shadow_pass); while (material->next_pass.is_valid()) { material = storage->material_owner.getornull(material->next_pass); if (!material || !material->shader || !material->shader->valid) { break; } _add_geometry_with_material(p_geometry, p_instance, p_owner, material, p_depth_pass, p_shadow_pass); } } void RasterizerSceneGLES2::_add_geometry_with_material(RasterizerStorageGLES2::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES2::GeometryOwner *p_owner, RasterizerStorageGLES2::Material *p_material, bool p_depth_pass, bool p_shadow_pass) { bool has_base_alpha = (p_material->shader->spatial.uses_alpha && !p_material->shader->spatial.uses_alpha_scissor) || p_material->shader->spatial.uses_screen_texture || p_material->shader->spatial.uses_depth_texture; bool has_blend_alpha = p_material->shader->spatial.blend_mode != RasterizerStorageGLES2::Shader::Spatial::BLEND_MODE_MIX; bool has_alpha = has_base_alpha || has_blend_alpha; // TODO add this stuff // bool mirror = p_instance->mirror; // bool no_cull = false; RenderList::Element *e = has_alpha ? render_list.add_alpha_element() : render_list.add_element(); if (!e) { return; } e->geometry = p_geometry; e->material = p_material; e->instance = p_instance; e->owner = p_owner; e->sort_key = 0; // TODO check render pass of geometry // TODO check directional light flag if (p_depth_pass) { // if we are in the depth pass we can sort out a few things to improve performance if (has_blend_alpha || p_material->shader->spatial.uses_depth_texture || (has_base_alpha && p_material->shader->spatial.depth_draw_mode != RasterizerStorageGLES2::Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS)) { return; } if (p_material->shader->spatial.uses_alpha_scissor && !p_material->shader->spatial.writes_modelview_or_projection && !p_material->shader->spatial.uses_vertex && !p_material->shader->spatial.uses_discard && p_material->shader->spatial.depth_draw_mode != RasterizerStorageGLES2::Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS) { // shader doesn't use discard or writes a custom vertex position, // so we can use a stripped down shader instead // TODO twosided and worldcoord stuff p_material = storage->material_owner.getptr(default_material_twosided); } has_alpha = false; } 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_material->shader->spatial.unshaded) { e->sort_key |= SORT_KEY_UNSHADED_FLAG; } if (!p_depth_pass) { e->sort_key |= uint64_t(e->material->index) << RenderList::SORT_KEY_MATERIAL_INDEX_SHIFT; e->sort_key |= uint64_t(p_material->render_priority + 128) << RenderList::SORT_KEY_PRIORITY_SHIFT; } else { // TODO } if (p_material->shader->spatial.uses_time) { VisualServerRaster::redraw_request(); } } void RasterizerSceneGLES2::_fill_render_list(InstanceBase **p_cull_result, int p_cull_count, bool p_depth_pass, bool p_shadow_pass) { for (int i = 0; i < p_cull_count; i++) { InstanceBase *instance = p_cull_result[i]; switch (instance->base_type) { case VS::INSTANCE_MESH: { RasterizerStorageGLES2::Mesh *mesh = storage->mesh_owner.getornull(instance->base); ERR_CONTINUE(!mesh); int num_surfaces = mesh->surfaces.size(); for (int i = 0; i < num_surfaces; i++) { int material_index = instance->materials[i].is_valid() ? i : -1; RasterizerStorageGLES2::Surface *surface = mesh->surfaces[i]; _add_geometry(surface, instance, NULL, material_index, p_depth_pass, p_shadow_pass); } } break; case VS::INSTANCE_MULTIMESH: { RasterizerStorageGLES2::MultiMesh *multi_mesh = storage->multimesh_owner.getptr(instance->base); ERR_CONTINUE(!multi_mesh); if (multi_mesh->size == 0 || multi_mesh->visible_instances == 0) continue; RasterizerStorageGLES2::Mesh *mesh = storage->mesh_owner.getptr(multi_mesh->mesh); if (!mesh) continue; int ssize = mesh->surfaces.size(); for (int i = 0; i < ssize; i++) { RasterizerStorageGLES2::Surface *s = mesh->surfaces[i]; _add_geometry(s, instance, multi_mesh, -1, p_depth_pass, p_shadow_pass); } } break; default: { } 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 RasterizerSceneGLES2::_setup_material(RasterizerStorageGLES2::Material *p_material, bool p_reverse_cull, Size2i p_skeleton_tex_size) { // material parameters state.scene_shader.set_custom_shader(p_material->shader->custom_code_id); state.scene_shader.bind(); if (p_material->shader->spatial.no_depth_test) { glDisable(GL_DEPTH_TEST); } else { glEnable(GL_DEPTH_TEST); } // TODO whyyyyy???? p_reverse_cull = true; switch (p_material->shader->spatial.cull_mode) { case RasterizerStorageGLES2::Shader::Spatial::CULL_MODE_DISABLED: { glDisable(GL_CULL_FACE); } break; case RasterizerStorageGLES2::Shader::Spatial::CULL_MODE_BACK: { glEnable(GL_CULL_FACE); glCullFace(p_reverse_cull ? GL_FRONT : GL_BACK); } break; case RasterizerStorageGLES2::Shader::Spatial::CULL_MODE_FRONT: { glEnable(GL_CULL_FACE); glCullFace(p_reverse_cull ? GL_BACK : GL_FRONT); } break; } int tc = p_material->textures.size(); Pair *textures = p_material->textures.ptrw(); ShaderLanguage::ShaderNode::Uniform::Hint *texture_hints = p_material->shader->texture_hints.ptrw(); state.scene_shader.set_uniform(SceneShaderGLES2::SKELETON_TEXTURE_SIZE, p_skeleton_tex_size); for (int i = 0; i < tc; i++) { glActiveTexture(GL_TEXTURE0 + i); RasterizerStorageGLES2::Texture *t = storage->texture_owner.getornull(textures[i].second); if (!t) { switch (texture_hints[i]) { case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK_ALBEDO: case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK: { glBindTexture(GL_TEXTURE_2D, storage->resources.black_tex); } break; case ShaderLanguage::ShaderNode::Uniform::HINT_ANISO: { glBindTexture(GL_TEXTURE_2D, storage->resources.aniso_tex); } break; case ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL: { glBindTexture(GL_TEXTURE_2D, storage->resources.normal_tex); } break; default: { glBindTexture(GL_TEXTURE_2D, storage->resources.white_tex); } break; } continue; } t = t->get_ptr(); glBindTexture(t->target, t->tex_id); } state.scene_shader.use_material((void *)p_material); } void RasterizerSceneGLES2::_setup_geometry(RenderList::Element *p_element, RasterizerStorageGLES2::Skeleton *p_skeleton) { state.scene_shader.set_conditional(SceneShaderGLES2::USE_SKELETON, p_skeleton != NULL); // state.scene_shader.set_conditional(SceneShaderGLES2::USE_SKELETON_SOFTWARE, !storage->config.float_texture_supported); state.scene_shader.set_conditional(SceneShaderGLES2::USE_SKELETON_SOFTWARE, true); switch (p_element->instance->base_type) { case VS::INSTANCE_MESH: { RasterizerStorageGLES2::Surface *s = static_cast(p_element->geometry); state.scene_shader.set_conditional(SceneShaderGLES2::USE_INSTANCING, false); state.scene_shader.set_conditional(SceneShaderGLES2::ENABLE_COLOR_INTERP, s->attribs[VS::ARRAY_COLOR].enabled); state.scene_shader.set_conditional(SceneShaderGLES2::ENABLE_UV_INTERP, s->attribs[VS::ARRAY_TEX_UV].enabled); state.scene_shader.set_conditional(SceneShaderGLES2::ENABLE_UV2_INTERP, s->attribs[VS::ARRAY_TEX_UV2].enabled); } break; case VS::INSTANCE_MULTIMESH: { RasterizerStorageGLES2::MultiMesh *multi_mesh = static_cast(p_element->owner); RasterizerStorageGLES2::Surface *s = static_cast(p_element->geometry); state.scene_shader.set_conditional(SceneShaderGLES2::ENABLE_COLOR_INTERP, true); state.scene_shader.set_conditional(SceneShaderGLES2::USE_INSTANCING, true); state.scene_shader.set_conditional(SceneShaderGLES2::ENABLE_UV_INTERP, s->attribs[VS::ARRAY_TEX_UV].enabled); state.scene_shader.set_conditional(SceneShaderGLES2::ENABLE_UV2_INTERP, s->attribs[VS::ARRAY_TEX_UV2].enabled); } break; default: { } break; } if (false && storage->config.float_texture_supported) { if (p_skeleton) { glActiveTexture(GL_TEXTURE4); glBindTexture(GL_TEXTURE_2D, p_skeleton->tex_id); } return; } if (p_skeleton) { ERR_FAIL_COND(p_skeleton->use_2d); PoolVector &transform_buffer = storage->resources.skeleton_transform_cpu_buffer; switch (p_element->instance->base_type) { case VS::INSTANCE_MESH: { RasterizerStorageGLES2::Surface *s = static_cast(p_element->geometry); if (!s->attribs[VS::ARRAY_BONES].enabled || !s->attribs[VS::ARRAY_WEIGHTS].enabled) { break; // the whole instance has a skeleton, but this surface is not affected by it. } // 3 * vec4 per vertex if (transform_buffer.size() < s->array_len * 12) { transform_buffer.resize(s->array_len * 12); } const size_t bones_offset = s->attribs[VS::ARRAY_BONES].offset; const size_t bones_stride = s->attribs[VS::ARRAY_BONES].stride; const size_t bone_weight_offset = s->attribs[VS::ARRAY_WEIGHTS].offset; const size_t bone_weight_stride = s->attribs[VS::ARRAY_WEIGHTS].stride; { PoolVector::Write write = transform_buffer.write(); float *buffer = write.ptr(); PoolVector::Read vertex_array_read = s->data.read(); const uint8_t *vertex_data = vertex_array_read.ptr(); for (int i = 0; i < s->array_len; i++) { // do magic size_t bones[4]; float bone_weight[4]; if (s->attribs[VS::ARRAY_BONES].type == GL_UNSIGNED_BYTE) { // read as byte const uint8_t *bones_ptr = vertex_data + bones_offset + (i * bones_stride); bones[0] = bones_ptr[0]; bones[1] = bones_ptr[1]; bones[2] = bones_ptr[2]; bones[3] = bones_ptr[3]; } else { // read as short const uint16_t *bones_ptr = (const uint16_t *)(vertex_data + bones_offset + (i * bones_stride)); bones[0] = bones_ptr[0]; bones[1] = bones_ptr[1]; bones[2] = bones_ptr[2]; bones[3] = bones_ptr[3]; } if (s->attribs[VS::ARRAY_WEIGHTS].type == GL_FLOAT) { // read as float const float *weight_ptr = (const float *)(vertex_data + bone_weight_offset + (i * bone_weight_stride)); bone_weight[0] = weight_ptr[0]; bone_weight[1] = weight_ptr[1]; bone_weight[2] = weight_ptr[2]; bone_weight[3] = weight_ptr[3]; } else { // read as half const uint16_t *weight_ptr = (const uint16_t *)(vertex_data + bone_weight_offset + (i * bone_weight_stride)); bone_weight[0] = (weight_ptr[0] / (float)0xFFFF); bone_weight[1] = (weight_ptr[1] / (float)0xFFFF); bone_weight[2] = (weight_ptr[2] / (float)0xFFFF); bone_weight[3] = (weight_ptr[3] / (float)0xFFFF); } size_t offset = i * 12; Transform transform; Transform bone_transforms[4] = { storage->skeleton_bone_get_transform(p_element->instance->skeleton, bones[0]), storage->skeleton_bone_get_transform(p_element->instance->skeleton, bones[1]), storage->skeleton_bone_get_transform(p_element->instance->skeleton, bones[2]), storage->skeleton_bone_get_transform(p_element->instance->skeleton, bones[3]), }; transform.origin = bone_weight[0] * bone_transforms[0].origin + bone_weight[1] * bone_transforms[1].origin + bone_weight[2] * bone_transforms[2].origin + bone_weight[3] * bone_transforms[3].origin; transform.basis = bone_transforms[0].basis * bone_weight[0] + bone_transforms[1].basis * bone_weight[1] + bone_transforms[2].basis * bone_weight[2] + bone_transforms[3].basis * bone_weight[3]; float row[3][4] = { { transform.basis[0][0], transform.basis[0][1], transform.basis[0][2], transform.origin[0] }, { transform.basis[1][0], transform.basis[1][1], transform.basis[1][2], transform.origin[1] }, { transform.basis[2][0], transform.basis[2][1], transform.basis[2][2], transform.origin[2] }, }; size_t transform_buffer_offset = i * 12; copymem(&buffer[transform_buffer_offset], row, sizeof(row)); } } storage->_update_skeleton_transform_buffer(transform_buffer, s->array_len * 12); } break; default: { } break; } } } void RasterizerSceneGLES2::_render_geometry(RenderList::Element *p_element) { switch (p_element->instance->base_type) { case VS::INSTANCE_MESH: { RasterizerStorageGLES2::Surface *s = static_cast(p_element->geometry); // set up if (p_element->instance->skeleton.is_valid() && s->attribs[VS::ARRAY_BONES].enabled && s->attribs[VS::ARRAY_WEIGHTS].enabled) { glBindBuffer(GL_ARRAY_BUFFER, storage->resources.skeleton_transform_buffer); glEnableVertexAttribArray(VS::ARRAY_MAX + 0); glEnableVertexAttribArray(VS::ARRAY_MAX + 1); glEnableVertexAttribArray(VS::ARRAY_MAX + 2); glVertexAttribPointer(VS::ARRAY_MAX + 0, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 12, (const void *)(sizeof(float) * 4 * 0)); glVertexAttribPointer(VS::ARRAY_MAX + 1, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 12, (const void *)(sizeof(float) * 4 * 1)); glVertexAttribPointer(VS::ARRAY_MAX + 2, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 12, (const void *)(sizeof(float) * 4 * 2)); } else { // just to make sure glDisableVertexAttribArray(VS::ARRAY_MAX + 0); glDisableVertexAttribArray(VS::ARRAY_MAX + 1); glDisableVertexAttribArray(VS::ARRAY_MAX + 2); glVertexAttrib4f(VS::ARRAY_MAX + 0, 1, 0, 0, 0); glVertexAttrib4f(VS::ARRAY_MAX + 1, 0, 1, 0, 0); glVertexAttrib4f(VS::ARRAY_MAX + 2, 0, 0, 1, 0); } glBindBuffer(GL_ARRAY_BUFFER, s->vertex_id); if (s->index_array_len > 0) { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, s->index_id); } for (int i = 0; i < VS::ARRAY_MAX - 1; i++) { if (s->attribs[i].enabled) { glEnableVertexAttribArray(i); glVertexAttribPointer(s->attribs[i].index, s->attribs[i].size, s->attribs[i].type, s->attribs[i].normalized, s->attribs[i].stride, (uint8_t *)0 + s->attribs[i].offset); } else { glDisableVertexAttribArray(i); } } // drawing 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); } else { glDrawArrays(gl_primitive[s->primitive], 0, s->array_len); } // tear down for (int i = 0; i < VS::ARRAY_MAX - 1; i++) { glDisableVertexAttribArray(i); } if (s->index_array_len > 0) { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); } if (p_element->instance->skeleton.is_valid() && s->attribs[VS::ARRAY_BONES].enabled && s->attribs[VS::ARRAY_WEIGHTS].enabled) { glBindBuffer(GL_ARRAY_BUFFER, storage->resources.skeleton_transform_buffer); glDisableVertexAttribArray(VS::ARRAY_MAX + 0); glDisableVertexAttribArray(VS::ARRAY_MAX + 1); glDisableVertexAttribArray(VS::ARRAY_MAX + 2); } glBindBuffer(GL_ARRAY_BUFFER, 0); } break; case VS::INSTANCE_MULTIMESH: { RasterizerStorageGLES2::MultiMesh *multi_mesh = static_cast(p_element->owner); RasterizerStorageGLES2::Surface *s = static_cast(p_element->geometry); int amount = MIN(multi_mesh->size, multi_mesh->visible_instances); if (amount == -1) { amount = multi_mesh->size; } if (p_element->instance->skeleton.is_valid() && s->attribs[VS::ARRAY_BONES].enabled && s->attribs[VS::ARRAY_WEIGHTS].enabled) { glBindBuffer(GL_ARRAY_BUFFER, storage->resources.skeleton_transform_buffer); glEnableVertexAttribArray(VS::ARRAY_MAX + 0); glEnableVertexAttribArray(VS::ARRAY_MAX + 1); glEnableVertexAttribArray(VS::ARRAY_MAX + 2); glVertexAttribPointer(VS::ARRAY_MAX + 0, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 12, (const void *)(sizeof(float) * 4 * 0)); glVertexAttribPointer(VS::ARRAY_MAX + 1, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 12, (const void *)(sizeof(float) * 4 * 1)); glVertexAttribPointer(VS::ARRAY_MAX + 2, 4, GL_FLOAT, GL_FALSE, sizeof(float) * 12, (const void *)(sizeof(float) * 4 * 2)); } else { // just to make sure glDisableVertexAttribArray(VS::ARRAY_MAX + 0); glDisableVertexAttribArray(VS::ARRAY_MAX + 1); glDisableVertexAttribArray(VS::ARRAY_MAX + 2); glVertexAttrib4f(VS::ARRAY_MAX + 0, 1, 0, 0, 0); glVertexAttrib4f(VS::ARRAY_MAX + 1, 0, 1, 0, 0); glVertexAttrib4f(VS::ARRAY_MAX + 2, 0, 0, 1, 0); } glBindBuffer(GL_ARRAY_BUFFER, s->vertex_id); if (s->index_array_len > 0) { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, s->index_id); } for (int i = 0; i < VS::ARRAY_MAX - 1; i++) { if (s->attribs[i].enabled) { glEnableVertexAttribArray(i); glVertexAttribPointer(s->attribs[i].index, s->attribs[i].size, s->attribs[i].type, s->attribs[i].normalized, s->attribs[i].stride, (uint8_t *)0 + s->attribs[i].offset); } else { glDisableVertexAttribArray(i); } } glDisableVertexAttribArray(12); // transform 0 glDisableVertexAttribArray(13); // transform 1 glDisableVertexAttribArray(14); // transform 2 glDisableVertexAttribArray(15); // color glDisableVertexAttribArray(8); // custom data glVertexAttrib4f(15, 1, 1, 1, 1); glVertexAttrib4f(8, 0, 0, 0, 0); int stride = multi_mesh->color_floats + multi_mesh->custom_data_floats + multi_mesh->xform_floats; int color_ofs = multi_mesh->xform_floats; int custom_data_ofs = color_ofs + multi_mesh->color_floats; // drawing for (int i = 0; i < amount; i++) { float *buffer = &multi_mesh->data.write[i * stride]; { // inline of multimesh_get_transform since it's such a pain // to get a RID from here... Transform transform; transform.basis.elements[0][0] = buffer[0]; transform.basis.elements[0][1] = buffer[1]; transform.basis.elements[0][2] = buffer[2]; transform.origin.x = buffer[3]; transform.basis.elements[1][0] = buffer[4]; transform.basis.elements[1][1] = buffer[5]; transform.basis.elements[1][2] = buffer[6]; transform.origin.y = buffer[7]; transform.basis.elements[2][0] = buffer[8]; transform.basis.elements[2][1] = buffer[9]; transform.basis.elements[2][2] = buffer[10]; transform.origin.z = buffer[11]; float row[3][4] = { { transform.basis[0][0], transform.basis[0][1], transform.basis[0][2], transform.origin[0] }, { transform.basis[1][0], transform.basis[1][1], transform.basis[1][2], transform.origin[1] }, { transform.basis[2][0], transform.basis[2][1], transform.basis[2][2], transform.origin[2] }, }; glVertexAttrib4fv(12, row[0]); glVertexAttrib4fv(13, row[1]); glVertexAttrib4fv(14, row[2]); } if (multi_mesh->color_floats) { glVertexAttrib4fv(15, buffer + color_ofs); } if (multi_mesh->custom_data_floats) { glVertexAttrib4fv(8, buffer + custom_data_ofs); } 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); } else { glDrawArrays(gl_primitive[s->primitive], 0, s->array_len); } } // tear down for (int i = 0; i < VS::ARRAY_MAX - 1; i++) { glDisableVertexAttribArray(i); } if (s->index_array_len > 0) { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); } if (p_element->instance->skeleton.is_valid() && s->attribs[VS::ARRAY_BONES].enabled && s->attribs[VS::ARRAY_WEIGHTS].enabled) { glBindBuffer(GL_ARRAY_BUFFER, storage->resources.skeleton_transform_buffer); glDisableVertexAttribArray(VS::ARRAY_MAX + 0); glDisableVertexAttribArray(VS::ARRAY_MAX + 1); glDisableVertexAttribArray(VS::ARRAY_MAX + 2); } glBindBuffer(GL_ARRAY_BUFFER, 0); } break; } } void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements, int p_element_count, const RID *p_directional_lights, int p_directional_light_count, const Transform &p_view_transform, const CameraMatrix &p_projection, RID p_shadow_atlas, Environment *p_env, GLuint p_base_env, float p_shadow_bias, float p_shadow_normal_bias, bool p_reverse_cull, bool p_alpha_pass, bool p_shadow, bool p_directional_add) { ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); Vector2 screen_pixel_size; screen_pixel_size.x = 1.0 / storage->frame.current_rt->width; screen_pixel_size.y = 1.0 / storage->frame.current_rt->height; bool use_radiance_map = false; VMap > lit_objects; for (int i = 0; i < p_element_count; i++) { RenderList::Element *e = p_elements[i]; RasterizerStorageGLES2::Material *material = e->material; RasterizerStorageGLES2::Skeleton *skeleton = storage->skeleton_owner.getornull(e->instance->skeleton); if (p_base_env) { glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 2); glBindTexture(GL_TEXTURE_CUBE_MAP, p_base_env); use_radiance_map = true; } state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, use_radiance_map); if (material->shader->spatial.unshaded) { state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, false); } else { state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, use_radiance_map); } // opaque pass state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_PASS, false); _setup_geometry(e, skeleton); _setup_material(material, p_reverse_cull, Size2i(skeleton ? skeleton->size * 3 : 0, 0)); if (use_radiance_map) { state.scene_shader.set_uniform(SceneShaderGLES2::RADIANCE_INVERSE_XFORM, p_view_transform); } if (p_shadow) { state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_BIAS, p_shadow_bias); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_NORMAL_BIAS, p_shadow_normal_bias); } if (p_env) { state.scene_shader.set_uniform(SceneShaderGLES2::BG_ENERGY, p_env->bg_energy); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_SKY_CONTRIBUTION, p_env->ambient_sky_contribution); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_COLOR, p_env->ambient_color); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_ENERGY, p_env->ambient_energy); } else { state.scene_shader.set_uniform(SceneShaderGLES2::BG_ENERGY, 1.0); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_SKY_CONTRIBUTION, 1.0); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_COLOR, Color(1.0, 1.0, 1.0, 1.0)); state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_ENERGY, 1.0); } glEnable(GL_BLEND); if (p_alpha_pass || p_directional_add) { int desired_blend_mode; if (p_directional_add) { desired_blend_mode = RasterizerStorageGLES2::Shader::Spatial::BLEND_MODE_ADD; } else { desired_blend_mode = material->shader->spatial.blend_mode; } switch (desired_blend_mode) { case RasterizerStorageGLES2::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 RasterizerStorageGLES2::Shader::Spatial::BLEND_MODE_ADD: { glBlendEquation(GL_FUNC_ADD); glBlendFunc(p_alpha_pass ? GL_SRC_ALPHA : GL_ONE, GL_ONE); } break; case RasterizerStorageGLES2::Shader::Spatial::BLEND_MODE_SUB: { glBlendEquation(GL_FUNC_REVERSE_SUBTRACT); glBlendFunc(GL_SRC_ALPHA, GL_ONE); } break; case RasterizerStorageGLES2::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_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO); } else { glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_ZERO, GL_ONE); } } break; } } else { // no blend mode given - assume 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); } } state.scene_shader.set_uniform(SceneShaderGLES2::CAMERA_MATRIX, p_view_transform.inverse()); state.scene_shader.set_uniform(SceneShaderGLES2::CAMERA_INVERSE_MATRIX, p_view_transform); state.scene_shader.set_uniform(SceneShaderGLES2::PROJECTION_MATRIX, p_projection); state.scene_shader.set_uniform(SceneShaderGLES2::PROJECTION_INVERSE_MATRIX, p_projection.inverse()); state.scene_shader.set_uniform(SceneShaderGLES2::TIME, storage->frame.time[0]); state.scene_shader.set_uniform(SceneShaderGLES2::SCREEN_PIXEL_SIZE, screen_pixel_size); state.scene_shader.set_uniform(SceneShaderGLES2::NORMAL_MULT, 1.0); // TODO mirror? state.scene_shader.set_uniform(SceneShaderGLES2::WORLD_TRANSFORM, e->instance->transform); _render_geometry(e); if (material->shader->spatial.unshaded) continue; if (p_shadow) continue; for (int light = 0; light < e->instance->light_instances.size(); light++) { RID light_instance = e->instance->light_instances[light]; lit_objects[light_instance].push_back(e); } } if (p_shadow) { state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, false); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM4, false); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM2, false); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM_BLEND, false); return; } state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_PASS, true); glEnable(GL_BLEND); glBlendEquation(GL_FUNC_ADD); glBlendFunc(GL_SRC_ALPHA, GL_ONE); for (int lo = 0; lo < lit_objects.size(); lo++) { RID key = lit_objects.getk(lo); LightInstance *light = light_instance_owner.getornull(key); RasterizerStorageGLES2::Light *light_ptr = light->light_ptr; const Vector &list = lit_objects.getv(lo); for (int i = 0; i < list.size(); i++) { RenderList::Element *e = list[i]; RasterizerStorageGLES2::Material *material = e->material; RasterizerStorageGLES2::Skeleton *skeleton = storage->skeleton_owner.getornull(e->instance->skeleton); { _setup_geometry(e, skeleton); _setup_material(material, p_reverse_cull, Size2i(skeleton ? skeleton->size * 3 : 0, 0)); if (shadow_atlas != NULL) { glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 4); glBindTexture(GL_TEXTURE_2D, shadow_atlas->depth); } state.scene_shader.set_uniform(SceneShaderGLES2::CAMERA_MATRIX, p_view_transform.inverse()); state.scene_shader.set_uniform(SceneShaderGLES2::CAMERA_INVERSE_MATRIX, p_view_transform); state.scene_shader.set_uniform(SceneShaderGLES2::PROJECTION_MATRIX, p_projection); state.scene_shader.set_uniform(SceneShaderGLES2::PROJECTION_INVERSE_MATRIX, p_projection.inverse()); state.scene_shader.set_uniform(SceneShaderGLES2::TIME, storage->frame.time[0]); state.scene_shader.set_uniform(SceneShaderGLES2::SCREEN_PIXEL_SIZE, screen_pixel_size); state.scene_shader.set_uniform(SceneShaderGLES2::NORMAL_MULT, 1.0); // TODO mirror? state.scene_shader.set_uniform(SceneShaderGLES2::WORLD_TRANSFORM, e->instance->transform); } switch (light_ptr->type) { case VS::LIGHT_OMNI: { state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_TYPE, (int)1); Vector3 position = p_view_transform.inverse().xform(light->transform.origin); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_POSITION, position); float range = light_ptr->param[VS::LIGHT_PARAM_RANGE]; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_RANGE, range); Color attenuation = Color(0.0, 0.0, 0.0, 0.0); attenuation.a = light_ptr->param[VS::LIGHT_PARAM_ATTENUATION]; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_ATTENUATION, attenuation); if (light_ptr->shadow && shadow_atlas->shadow_owners.has(light->self)) { uint32_t key = shadow_atlas->shadow_owners[light->self]; uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT) & 0x03; uint32_t shadow = key & ShadowAtlas::SHADOW_INDEX_MASK; ERR_CONTINUE(shadow >= (uint32_t)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 (light->light_ptr->omni_shadow_detail == VS::LIGHT_OMNI_SHADOW_DETAIL_HORIZONTAL) { height /= 2; } else { width /= 2; } Transform proj = (p_view_transform.inverse() * light->transform).inverse(); Color light_clamp; light_clamp[0] = float(x) / atlas_size; light_clamp[1] = float(y) / atlas_size; light_clamp[2] = float(width) / atlas_size; light_clamp[3] = float(height) / atlas_size; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SHADOW_MATRIX, proj); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_CLAMP, light_clamp); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_HAS_SHADOW, 1.0); } else { state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_HAS_SHADOW, 0.0); } } break; case VS::LIGHT_SPOT: { Vector3 position = p_view_transform.inverse().xform(light->transform.origin); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_TYPE, (int)2); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_POSITION, position); Vector3 direction = p_view_transform.inverse().basis.xform(light->transform.basis.xform(Vector3(0, 0, -1))).normalized(); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_DIRECTION, direction); Color attenuation = Color(0.0, 0.0, 0.0, 0.0); attenuation.a = light_ptr->param[VS::LIGHT_PARAM_ATTENUATION]; float range = light_ptr->param[VS::LIGHT_PARAM_RANGE]; float spot_attenuation = light_ptr->param[VS::LIGHT_PARAM_SPOT_ATTENUATION]; float angle = light_ptr->param[VS::LIGHT_PARAM_SPOT_ANGLE]; angle = Math::cos(Math::deg2rad(angle)); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_ATTENUATION, attenuation); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SPOT_ATTENUATION, spot_attenuation); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SPOT_RANGE, spot_attenuation); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SPOT_ANGLE, angle); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_RANGE, range); if (light->light_ptr->shadow && shadow_atlas && shadow_atlas->shadow_owners.has(light->self)) { uint32_t key = shadow_atlas->shadow_owners[light->self]; uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT) & 0x03; uint32_t shadow = key & ShadowAtlas::SHADOW_INDEX_MASK; ERR_CONTINUE(shadow >= (uint32_t)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); Color light_clamp; light_clamp[0] = rect.position.x; light_clamp[1] = rect.position.y; light_clamp[2] = rect.size.x; light_clamp[3] = rect.size.y; Transform modelview = (p_view_transform.inverse() * light->transform).inverse(); CameraMatrix bias; bias.set_light_bias(); CameraMatrix rectm; rectm.set_light_atlas_rect(rect); CameraMatrix shadow_matrix = rectm * bias * light->shadow_transform[0].camera * modelview; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_HAS_SHADOW, 1.0); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SHADOW_MATRIX, shadow_matrix); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_CLAMP, light_clamp); } else { state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_HAS_SHADOW, 0.0); } } break; default: break; } float energy = light->light_ptr->param[VS::LIGHT_PARAM_ENERGY]; float specular = light->light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_ENERGY, energy); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_COLOR, light->light_ptr->color.to_linear()); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SPECULAR, specular); _render_geometry(e); } } for (int dl = 0; dl < p_directional_light_count; dl++) { RID light_rid = p_directional_lights[dl]; LightInstance *light = light_instance_owner.getornull(light_rid); RasterizerStorageGLES2::Light *light_ptr = light->light_ptr; switch (light_ptr->directional_shadow_mode) { case VS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL: { } break; case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS: { state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM2, true); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM_BLEND, light_ptr->directional_blend_splits); } break; case VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS: { state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM4, true); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM_BLEND, light_ptr->directional_blend_splits); } break; default: break; } for (int i = 0; i < p_element_count; i++) { RenderList::Element *e = p_elements[i]; RasterizerStorageGLES2::Material *material = e->material; RasterizerStorageGLES2::Skeleton *skeleton = storage->skeleton_owner.getornull(e->instance->skeleton); { _setup_material(material, p_reverse_cull, Size2i(skeleton ? skeleton->size * 3 : 0, 0)); if (directional_shadow.depth) { glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 4); // TODO move into base pass glBindTexture(GL_TEXTURE_2D, directional_shadow.depth); } state.scene_shader.set_uniform(SceneShaderGLES2::CAMERA_MATRIX, p_view_transform.inverse()); state.scene_shader.set_uniform(SceneShaderGLES2::CAMERA_INVERSE_MATRIX, p_view_transform); state.scene_shader.set_uniform(SceneShaderGLES2::PROJECTION_MATRIX, p_projection); state.scene_shader.set_uniform(SceneShaderGLES2::PROJECTION_INVERSE_MATRIX, p_projection.inverse()); state.scene_shader.set_uniform(SceneShaderGLES2::TIME, storage->frame.time[0]); state.scene_shader.set_uniform(SceneShaderGLES2::SCREEN_PIXEL_SIZE, screen_pixel_size); state.scene_shader.set_uniform(SceneShaderGLES2::NORMAL_MULT, 1.0); // TODO mirror? state.scene_shader.set_uniform(SceneShaderGLES2::WORLD_TRANSFORM, e->instance->transform); } state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_TYPE, (int)0); Vector3 direction = p_view_transform.inverse().basis.xform(light->transform.basis.xform(Vector3(0, 0, -1))).normalized(); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_DIRECTION, direction); float energy = light_ptr->param[VS::LIGHT_PARAM_ENERGY]; float specular = light_ptr->param[VS::LIGHT_PARAM_SPECULAR]; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_ENERGY, energy); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SPECULAR, specular); float sign = light_ptr->negative ? -1 : 1; Color linear_col = light_ptr->color.to_linear(); Color color; for (int c = 0; c < 3; c++) color[c] = linear_col[c] * sign * energy * Math_PI; color[3] = 0; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_COLOR, color); CameraMatrix matrices[4]; if (light_ptr->shadow && directional_shadow.depth) { int shadow_count = 0; Color split_offsets; switch (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 k = 0; k < shadow_count; k++) { uint32_t x = light->directional_rect.position.x; uint32_t y = light->directional_rect.position.y; uint32_t width = light->directional_rect.size.x; uint32_t height = light->directional_rect.size.y; if (light_ptr->directional_shadow_mode == VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS) { width /= 2; height /= 2; if (k == 0) { } else if (k == 1) { x += width; } else if (k == 2) { y += height; } else if (k == 3) { x += width; y += height; } } else if (light_ptr->directional_shadow_mode == VS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS) { height /= 2; if (k == 0) { } else { y += height; } } split_offsets[k] = light->shadow_transform[k].split; Transform modelview = (p_view_transform * light->shadow_transform[k].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 * light->shadow_transform[k].camera * modelview; matrices[k] = shadow_mtx.inverse(); Color light_clamp; light_clamp[0] = atlas_rect.position.x; light_clamp[1] = atlas_rect.position.y; light_clamp[2] = atlas_rect.size.x; light_clamp[3] = atlas_rect.size.y; state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_HAS_SHADOW, 1.0); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_CLAMP, light_clamp); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SPLIT_OFFSETS, split_offsets); } state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SHADOW_MATRIX1, matrices[0]); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SHADOW_MATRIX2, matrices[1]); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SHADOW_MATRIX3, matrices[2]); state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_SHADOW_MATRIX4, matrices[3]); } else { state.scene_shader.set_uniform(SceneShaderGLES2::LIGHT_HAS_SHADOW, 0.0); } _render_geometry(e); } } state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_PASS, false); state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, false); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM4, false); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM2, false); state.scene_shader.set_conditional(SceneShaderGLES2::LIGHT_USE_PSSM_BLEND, false); } void RasterizerSceneGLES2::_draw_sky(RasterizerStorageGLES2::Sky *p_sky, const CameraMatrix &p_projection, const Transform &p_transform, bool p_vflip, float p_custom_fov, float p_energy) { ERR_FAIL_COND(!p_sky); RasterizerStorageGLES2::Texture *tex = storage->texture_owner.getornull(p_sky->panorama); ERR_FAIL_COND(!tex); glActiveTexture(GL_TEXTURE0); glBindTexture(tex->target, tex->tex_id); glDepthMask(GL_TRUE); glEnable(GL_DEPTH_TEST); glDisable(GL_CULL_FACE); glDisable(GL_BLEND); glDepthFunc(GL_LEQUAL); glColorMask(1, 1, 1, 1); // Camera CameraMatrix camera; if (p_custom_fov) { float near_plane = p_projection.get_z_near(); float far_plane = p_projection.get_z_far(); float aspect = p_projection.get_aspect(); camera.set_perspective(p_custom_fov, aspect, near_plane, far_plane); } else { camera = p_projection; } float flip_sign = p_vflip ? -1 : 1; // If matrix[2][0] or matrix[2][1] we're dealing with an asymmetrical projection matrix. This is the case for stereoscopic rendering (i.e. VR). // To ensure the image rendered is perspective correct we need to move some logic into the shader. For this the USE_ASYM_PANO option is introduced. // It also means the uv coordinates are ignored in this mode and we don't need our loop. bool asymmetrical = ((camera.matrix[2][0] != 0.0) || (camera.matrix[2][1] != 0.0)); 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), }; if (!asymmetrical) { float vw, vh, zn; camera.get_viewport_size(vw, vh); zn = p_projection.get_z_near(); for (int i = 0; i < 4; i++) { Vector3 uv = vertices[i * 2 + 1]; uv.x = (uv.x * 2.0 - 1.0) * vw; uv.y = -(uv.y * 2.0 - 1.0) * vh; 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.sky_verts); glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(Vector3) * 8, vertices); // bind sky vertex array.... glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, 0); glVertexAttribPointer(VS::ARRAY_TEX_UV, 3, GL_FLOAT, GL_FALSE, sizeof(Vector3) * 2, ((uint8_t *)NULL) + sizeof(Vector3)); glEnableVertexAttribArray(VS::ARRAY_VERTEX); glEnableVertexAttribArray(VS::ARRAY_TEX_UV); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_MULTIPLIER, true); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_CUBEMAP, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_PANORAMA, true); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_COPY_SECTION, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_CUSTOM_ALPHA, false); storage->shaders.copy.bind(); storage->shaders.copy.set_uniform(CopyShaderGLES2::MULTIPLIER, p_energy); glDrawArrays(GL_TRIANGLE_FAN, 0, 4); glDisableVertexAttribArray(VS::ARRAY_VERTEX); glDisableVertexAttribArray(VS::ARRAY_TEX_UV); glBindBuffer(GL_ARRAY_BUFFER, 0); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_MULTIPLIER, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_CUBEMAP, false); } void RasterizerSceneGLES2::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) { glEnable(GL_BLEND); GLuint current_fb = storage->frame.current_rt->fbo; Environment *env = environment_owner.getornull(p_environment); // render list stuff render_list.clear(); _fill_render_list(p_cull_result, p_cull_count, false, false); // other stuff glBindFramebuffer(GL_FRAMEBUFFER, current_fb); glDepthFunc(GL_LEQUAL); glDepthMask(GL_TRUE); glClearDepth(1.0f); glEnable(GL_DEPTH_TEST); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); storage->frame.clear_request = false; glVertexAttrib4f(VS::ARRAY_COLOR, 1, 1, 1, 1); glBlendEquation(GL_FUNC_ADD); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // render sky RasterizerStorageGLES2::Sky *sky = NULL; GLuint env_radiance_tex = 0; if (env) { switch (env->bg_mode) { case VS::ENV_BG_COLOR_SKY: case VS::ENV_BG_SKY: { sky = storage->sky_owner.getornull(env->sky); if (sky) { env_radiance_tex = sky->radiance; } } break; default: { print_line("uhm"); } break; } } if (env && env->bg_mode == VS::ENV_BG_SKY && (!storage->frame.current_rt || !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT])) { if (sky && sky->panorama.is_valid()) { _draw_sky(sky, p_cam_projection, p_cam_transform, false, env->sky_custom_fov, env->bg_energy); } } Vector directional_lights; for (int i = 0; i < p_light_cull_count; i++) { RID light_rid = p_light_cull_result[i]; LightInstance *light = light_instance_owner.getornull(light_rid); if (light->light_ptr->type == VS::LIGHT_DIRECTIONAL) { directional_lights.push_back(light_rid); } } // render opaque things first render_list.sort_by_key(false); _render_render_list(render_list.elements, render_list.element_count, directional_lights.ptr(), directional_lights.size(), p_cam_transform, p_cam_projection, p_shadow_atlas, env, env_radiance_tex, 0.0, 0.0, false, false, false, false); // alpha pass glBlendEquation(GL_FUNC_ADD); glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); render_list.sort_by_key(true); _render_render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, directional_lights.ptr(), directional_lights.size(), p_cam_transform, p_cam_projection, p_shadow_atlas, env, env_radiance_tex, 0.0, 0.0, false, true, false, false); glDepthMask(GL_FALSE); glDisable(GL_DEPTH_TEST); // #define GLES2_SHADOW_ATLAS_DEBUG_VIEW #ifdef GLES2_SHADOW_ATLAS_DEBUG_VIEW ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); if (shadow_atlas) { glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, shadow_atlas->depth); glViewport(0, 0, storage->frame.current_rt->width / 4, storage->frame.current_rt->height / 4); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_CUBEMAP, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_COPY_SECTION, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_CUSTOM_ALPHA, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_MULTIPLIER, false); storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_PANORAMA, false); storage->shaders.copy.bind(); storage->_copy_screen(); } #endif } void RasterizerSceneGLES2::render_shadow(RID p_light, RID p_shadow_atlas, int p_pass, InstanceBase **p_cull_result, int p_cull_count) { LightInstance *light_instance = light_instance_owner.getornull(p_light); ERR_FAIL_COND(!light_instance); RasterizerStorageGLES2::Light *light = light_instance->light_ptr; ERR_FAIL_COND(!light); uint32_t x; uint32_t y; uint32_t width; uint32_t height; uint32_t vp_height; float zfar = 0; bool flip_facing = false; int custom_vp_size = 0; GLuint fbo = 0; int current_cubemap = -1; float bias = 0; float normal_bias = 0; CameraMatrix light_projection; Transform light_transform; // TODO directional light if (light->type == VS::LIGHT_DIRECTIONAL) { // set pssm stuff // TODO set this only when changed 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.position.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.position.x += light_instance->directional_rect.size.x; } if (light_instance->light_directional_index / 2) { light_instance->directional_rect.position.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.position.x; y = light_instance->directional_rect.position.y; width = light_instance->directional_rect.size.width; height = light_instance->directional_rect.size.height; 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; } } float bias_mult = Math::lerp(1.0f, light_instance->shadow_transform[p_pass].bias_scale, light->param[VS::LIGHT_PARAM_SHADOW_BIAS_SPLIT_SCALE]); zfar = light->param[VS::LIGHT_PARAM_RANGE]; bias = light->param[VS::LIGHT_PARAM_SHADOW_BIAS] * bias_mult; normal_bias = light->param[VS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] * bias_mult; fbo = directional_shadow.fbo; vp_height = directional_shadow.size; } else { 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) & 0x03; uint32_t shadow = key & ShadowAtlas::SHADOW_INDEX_MASK; ERR_FAIL_INDEX((int)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) { // cubemap only if (light->omni_shadow_mode == VS::LIGHT_OMNI_SHADOW_CUBE) { int cubemap_index = shadow_cubemaps.size() - 1; // find an appropriate cubemap to render to for (int i = shadow_cubemaps.size() - 1; i >= 0; i--) { if (shadow_cubemaps[i].size > shadow_size * 2) { break; } cubemap_index = i; } fbo = shadow_cubemaps[cubemap_index].fbo[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; 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]; } } render_list.clear(); _fill_render_list(p_cull_result, p_cull_count, true, true); render_list.sort_by_depth(false); glDisable(GL_BLEND); glDisable(GL_DITHER); glEnable(GL_DEPTH_TEST); glBindFramebuffer(GL_FRAMEBUFFER, fbo); glDepthMask(GL_TRUE); glColorMask(0, 0, 0, 0); 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(1.0f); glClear(GL_DEPTH_BUFFER_BIT); glDisable(GL_SCISSOR_TEST); state.scene_shader.set_conditional(SceneShaderGLES2::RENDER_DEPTH, true); _render_render_list(render_list.elements, render_list.element_count, NULL, 0, light_transform, light_projection, RID(), NULL, 0, bias, normal_bias, false, false, true, false); state.scene_shader.set_conditional(SceneShaderGLES2::RENDER_DEPTH, false); // convert cubemap to dual paraboloid if needed if (light->type == VS::LIGHT_OMNI && light->omni_shadow_mode == VS::LIGHT_OMNI_SHADOW_CUBE && p_pass == 5) { 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); glDisable(GL_CULL_FACE); for (int i = 0; i < 2; i++) { state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES2::Z_FLIP, i == 1); state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES2::Z_NEAR, light_projection.get_z_near()); state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES2::Z_FAR, light_projection.get_z_far()); state.cube_to_dp_shader.set_uniform(CubeToDpShaderGLES2::BIAS, light->param[VS::LIGHT_PARAM_SHADOW_BIAS]); uint32_t local_width = width; uint32_t local_height = height; uint32_t local_x = x; uint32_t 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(1.0f); glClear(GL_DEPTH_BUFFER_BIT); glDisable(GL_SCISSOR_TEST); glDisable(GL_BLEND); storage->_copy_screen(); } } glViewport(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height); } void RasterizerSceneGLES2::set_scene_pass(uint64_t p_pass) { scene_pass = p_pass; } bool RasterizerSceneGLES2::free(RID p_rid) { return true; } void RasterizerSceneGLES2::set_debug_draw_mode(VS::ViewportDebugDraw p_debug_draw) { } void RasterizerSceneGLES2::initialize() { state.scene_shader.init(); state.cube_to_dp_shader.init(); render_list.init(); shadow_atlas_realloc_tolerance_msec = 500; { //default material and shader default_shader = storage->shader_create(); storage->shader_set_code(default_shader, "shader_type spatial;\n"); default_material = storage->material_create(); storage->material_set_shader(default_material, default_shader); default_shader_twosided = storage->shader_create(); default_material_twosided = storage->material_create(); storage->shader_set_code(default_shader_twosided, "shader_type spatial; render_mode cull_disabled;\n"); storage->material_set_shader(default_material_twosided, default_shader_twosided); } { glGenBuffers(1, &state.sky_verts); glBindBuffer(GL_ARRAY_BUFFER, state.sky_verts); glBufferData(GL_ARRAY_BUFFER, sizeof(Vector3) * 8, NULL, GL_DYNAMIC_DRAW); glBindBuffer(GL_ARRAY_BUFFER, 0); } // cubemaps for shadows { 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); for (int i = 0; i < 6; i++) { glTexImage2D(_cube_side_enum[i], 0, GL_DEPTH_COMPONENT16, cube_size, cube_size, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL); } glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 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); glGenFramebuffers(6, cube.fbo); for (int i = 0; i < 6; i++) { glBindFramebuffer(GL_FRAMEBUFFER, cube.fbo[i]); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, _cube_side_enum[i], cube.cubemap, 0); } shadow_cubemaps.push_back(cube); cube_size >>= 1; } } { // directional shadows directional_shadow.light_count = 0; directional_shadow.size = next_power_of_2(GLOBAL_GET("rendering/quality/directional_shadow/size")); 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_COMPONENT16, directional_shadow.size, directional_shadow.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, directional_shadow.depth, 0); GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); if (status != GL_FRAMEBUFFER_COMPLETE) { ERR_PRINT("Directional shadow framebuffer status invalid"); } } } void RasterizerSceneGLES2::iteration() { } void RasterizerSceneGLES2::finalize() { } RasterizerSceneGLES2::RasterizerSceneGLES2() { }