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rasterizer_scene_gles3.cpp
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/**************************************************************************/
/* rasterizer_scene_gles3.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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_gles3.h"
#include "drivers/gles3/effects/copy_effects.h"
#include "rasterizer_gles3.h"
#include "storage/config.h"
#include "storage/mesh_storage.h"
#include "storage/particles_storage.h"
#include "storage/texture_storage.h"
#include "core/config/project_settings.h"
#include "core/templates/sort_array.h"
#include "servers/rendering/rendering_server_default.h"
#include "servers/rendering/rendering_server_globals.h"
#ifdef GLES3_ENABLED
RasterizerSceneGLES3 *RasterizerSceneGLES3::singleton = nullptr;
RenderGeometryInstance *RasterizerSceneGLES3::geometry_instance_create(RID p_base) {
RS::InstanceType type = RSG::utilities->get_base_type(p_base);
ERR_FAIL_COND_V(!((1 << type) & RS::INSTANCE_GEOMETRY_MASK), nullptr);
GeometryInstanceGLES3 *ginstance = geometry_instance_alloc.alloc();
ginstance->data = memnew(GeometryInstanceGLES3::Data);
ginstance->data->base = p_base;
ginstance->data->base_type = type;
ginstance->data->dependency_tracker.userdata = ginstance;
ginstance->data->dependency_tracker.changed_callback = _geometry_instance_dependency_changed;
ginstance->data->dependency_tracker.deleted_callback = _geometry_instance_dependency_deleted;
ginstance->_mark_dirty();
return ginstance;
}
uint32_t RasterizerSceneGLES3::geometry_instance_get_pair_mask() {
return ((1 << RS::INSTANCE_LIGHT) | (1 << RS::INSTANCE_REFLECTION_PROBE));
}
void RasterizerSceneGLES3::GeometryInstanceGLES3::pair_light_instances(const RID *p_light_instances, uint32_t p_light_instance_count) {
GLES3::Config *config = GLES3::Config::get_singleton();
paired_omni_light_count = 0;
paired_spot_light_count = 0;
paired_omni_lights.clear();
paired_spot_lights.clear();
for (uint32_t i = 0; i < p_light_instance_count; i++) {
RS::LightType type = GLES3::LightStorage::get_singleton()->light_instance_get_type(p_light_instances[i]);
switch (type) {
case RS::LIGHT_OMNI: {
if (paired_omni_light_count < (uint32_t)config->max_lights_per_object) {
paired_omni_lights.push_back(p_light_instances[i]);
paired_omni_light_count++;
}
} break;
case RS::LIGHT_SPOT: {
if (paired_spot_light_count < (uint32_t)config->max_lights_per_object) {
paired_spot_lights.push_back(p_light_instances[i]);
paired_spot_light_count++;
}
} break;
default:
break;
}
}
}
void RasterizerSceneGLES3::GeometryInstanceGLES3::pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) {
paired_reflection_probes.clear();
for (uint32_t i = 0; i < p_reflection_probe_instance_count; i++) {
paired_reflection_probes.push_back(p_reflection_probe_instances[i]);
}
}
void RasterizerSceneGLES3::geometry_instance_free(RenderGeometryInstance *p_geometry_instance) {
GeometryInstanceGLES3 *ginstance = static_cast<GeometryInstanceGLES3 *>(p_geometry_instance);
ERR_FAIL_NULL(ginstance);
GeometryInstanceSurface *surf = ginstance->surface_caches;
while (surf) {
GeometryInstanceSurface *next = surf->next;
geometry_instance_surface_alloc.free(surf);
surf = next;
}
memdelete(ginstance->data);
geometry_instance_alloc.free(ginstance);
}
void RasterizerSceneGLES3::GeometryInstanceGLES3::_mark_dirty() {
if (dirty_list_element.in_list()) {
return;
}
//clear surface caches
GeometryInstanceSurface *surf = surface_caches;
while (surf) {
GeometryInstanceSurface *next = surf->next;
RasterizerSceneGLES3::get_singleton()->geometry_instance_surface_alloc.free(surf);
surf = next;
}
surface_caches = nullptr;
RasterizerSceneGLES3::get_singleton()->geometry_instance_dirty_list.add(&dirty_list_element);
}
void RasterizerSceneGLES3::GeometryInstanceGLES3::set_use_lightmap(RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) {
lightmap_instance = p_lightmap_instance;
lightmap_uv_scale = p_lightmap_uv_scale;
lightmap_slice_index = p_lightmap_slice_index;
_mark_dirty();
}
void RasterizerSceneGLES3::GeometryInstanceGLES3::set_lightmap_capture(const Color *p_sh9) {
if (p_sh9) {
if (lightmap_sh == nullptr) {
lightmap_sh = memnew(GeometryInstanceLightmapSH);
}
memcpy(lightmap_sh->sh, p_sh9, sizeof(Color) * 9);
} else {
if (lightmap_sh != nullptr) {
memdelete(lightmap_sh);
lightmap_sh = nullptr;
}
}
_mark_dirty();
}
void RasterizerSceneGLES3::_update_dirty_geometry_instances() {
while (geometry_instance_dirty_list.first()) {
_geometry_instance_update(geometry_instance_dirty_list.first()->self());
}
}
void RasterizerSceneGLES3::_geometry_instance_dependency_changed(Dependency::DependencyChangedNotification p_notification, DependencyTracker *p_tracker) {
switch (p_notification) {
case Dependency::DEPENDENCY_CHANGED_MATERIAL:
case Dependency::DEPENDENCY_CHANGED_MESH:
case Dependency::DEPENDENCY_CHANGED_PARTICLES:
case Dependency::DEPENDENCY_CHANGED_MULTIMESH:
case Dependency::DEPENDENCY_CHANGED_SKELETON_DATA: {
static_cast<RenderGeometryInstance *>(p_tracker->userdata)->_mark_dirty();
static_cast<GeometryInstanceGLES3 *>(p_tracker->userdata)->data->dirty_dependencies = true;
} break;
case Dependency::DEPENDENCY_CHANGED_MULTIMESH_VISIBLE_INSTANCES: {
GeometryInstanceGLES3 *ginstance = static_cast<GeometryInstanceGLES3 *>(p_tracker->userdata);
if (ginstance->data->base_type == RS::INSTANCE_MULTIMESH) {
ginstance->instance_count = GLES3::MeshStorage::get_singleton()->multimesh_get_instances_to_draw(ginstance->data->base);
}
} break;
default: {
//rest of notifications of no interest
} break;
}
}
void RasterizerSceneGLES3::_geometry_instance_dependency_deleted(const RID &p_dependency, DependencyTracker *p_tracker) {
static_cast<RenderGeometryInstance *>(p_tracker->userdata)->_mark_dirty();
static_cast<GeometryInstanceGLES3 *>(p_tracker->userdata)->data->dirty_dependencies = true;
}
void RasterizerSceneGLES3::_geometry_instance_add_surface_with_material(GeometryInstanceGLES3 *ginstance, uint32_t p_surface, GLES3::SceneMaterialData *p_material, uint32_t p_material_id, uint32_t p_shader_id, RID p_mesh) {
GLES3::MeshStorage *mesh_storage = GLES3::MeshStorage::get_singleton();
bool has_read_screen_alpha = p_material->shader_data->uses_screen_texture || p_material->shader_data->uses_depth_texture || p_material->shader_data->uses_normal_texture;
bool has_base_alpha = ((p_material->shader_data->uses_alpha && !p_material->shader_data->uses_alpha_clip) || has_read_screen_alpha);
bool has_blend_alpha = p_material->shader_data->uses_blend_alpha;
bool has_alpha = has_base_alpha || has_blend_alpha;
uint32_t flags = 0;
if (p_material->shader_data->uses_screen_texture) {
flags |= GeometryInstanceSurface::FLAG_USES_SCREEN_TEXTURE;
}
if (p_material->shader_data->uses_depth_texture) {
flags |= GeometryInstanceSurface::FLAG_USES_DEPTH_TEXTURE;
}
if (p_material->shader_data->uses_normal_texture) {
flags |= GeometryInstanceSurface::FLAG_USES_NORMAL_TEXTURE;
}
if (ginstance->data->cast_double_sided_shadows) {
flags |= GeometryInstanceSurface::FLAG_USES_DOUBLE_SIDED_SHADOWS;
}
if (has_alpha || has_read_screen_alpha || p_material->shader_data->depth_draw == GLES3::SceneShaderData::DEPTH_DRAW_DISABLED || p_material->shader_data->depth_test == GLES3::SceneShaderData::DEPTH_TEST_DISABLED) {
//material is only meant for alpha pass
flags |= GeometryInstanceSurface::FLAG_PASS_ALPHA;
if (p_material->shader_data->uses_depth_prepass_alpha && !(p_material->shader_data->depth_draw == GLES3::SceneShaderData::DEPTH_DRAW_DISABLED || p_material->shader_data->depth_test == GLES3::SceneShaderData::DEPTH_TEST_DISABLED)) {
flags |= GeometryInstanceSurface::FLAG_PASS_DEPTH;
flags |= GeometryInstanceSurface::FLAG_PASS_SHADOW;
}
} else {
flags |= GeometryInstanceSurface::FLAG_PASS_OPAQUE;
flags |= GeometryInstanceSurface::FLAG_PASS_DEPTH;
flags |= GeometryInstanceSurface::FLAG_PASS_SHADOW;
}
GLES3::SceneMaterialData *material_shadow = nullptr;
void *surface_shadow = nullptr;
if (!p_material->shader_data->uses_particle_trails && !p_material->shader_data->writes_modelview_or_projection && !p_material->shader_data->uses_vertex && !p_material->shader_data->uses_discard && !p_material->shader_data->uses_depth_prepass_alpha && !p_material->shader_data->uses_alpha_clip && !p_material->shader_data->uses_world_coordinates) {
flags |= GeometryInstanceSurface::FLAG_USES_SHARED_SHADOW_MATERIAL;
material_shadow = static_cast<GLES3::SceneMaterialData *>(GLES3::MaterialStorage::get_singleton()->material_get_data(scene_globals.default_material, RS::SHADER_SPATIAL));
RID shadow_mesh = mesh_storage->mesh_get_shadow_mesh(p_mesh);
if (shadow_mesh.is_valid()) {
surface_shadow = mesh_storage->mesh_get_surface(shadow_mesh, p_surface);
}
} else {
material_shadow = p_material;
}
GeometryInstanceSurface *sdcache = geometry_instance_surface_alloc.alloc();
sdcache->flags = flags;
sdcache->shader = p_material->shader_data;
sdcache->material = p_material;
sdcache->surface = mesh_storage->mesh_get_surface(p_mesh, p_surface);
sdcache->primitive = mesh_storage->mesh_surface_get_primitive(sdcache->surface);
sdcache->surface_index = p_surface;
if (ginstance->data->dirty_dependencies) {
RSG::utilities->base_update_dependency(p_mesh, &ginstance->data->dependency_tracker);
}
//shadow
sdcache->shader_shadow = material_shadow->shader_data;
sdcache->material_shadow = material_shadow;
sdcache->surface_shadow = surface_shadow ? surface_shadow : sdcache->surface;
sdcache->owner = ginstance;
sdcache->next = ginstance->surface_caches;
ginstance->surface_caches = sdcache;
//sortkey
sdcache->sort.sort_key1 = 0;
sdcache->sort.sort_key2 = 0;
sdcache->sort.surface_index = p_surface;
sdcache->sort.material_id_low = p_material_id & 0x0000FFFF;
sdcache->sort.material_id_hi = p_material_id >> 16;
sdcache->sort.shader_id = p_shader_id;
sdcache->sort.geometry_id = p_mesh.get_local_index();
sdcache->sort.priority = p_material->priority;
GLES3::Mesh::Surface *s = reinterpret_cast<GLES3::Mesh::Surface *>(sdcache->surface);
if (p_material->shader_data->uses_tangent && !(s->format & RS::ARRAY_FORMAT_TANGENT)) {
String shader_path = p_material->shader_data->path.is_empty() ? "" : "(" + p_material->shader_data->path + ")";
String mesh_path = mesh_storage->mesh_get_path(p_mesh).is_empty() ? "" : "(" + mesh_storage->mesh_get_path(p_mesh) + ")";
WARN_PRINT_ED(vformat("Attempting to use a shader %s that requires tangents with a mesh %s that doesn't contain tangents. Ensure that meshes are imported with the 'ensure_tangents' option. If creating your own meshes, add an `ARRAY_TANGENT` array (when using ArrayMesh) or call `generate_tangents()` (when using SurfaceTool).", shader_path, mesh_path));
}
}
void RasterizerSceneGLES3::_geometry_instance_add_surface_with_material_chain(GeometryInstanceGLES3 *ginstance, uint32_t p_surface, GLES3::SceneMaterialData *p_material_data, RID p_mat_src, RID p_mesh) {
GLES3::SceneMaterialData *material_data = p_material_data;
GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton();
_geometry_instance_add_surface_with_material(ginstance, p_surface, material_data, p_mat_src.get_local_index(), material_storage->material_get_shader_id(p_mat_src), p_mesh);
while (material_data->next_pass.is_valid()) {
RID next_pass = material_data->next_pass;
material_data = static_cast<GLES3::SceneMaterialData *>(material_storage->material_get_data(next_pass, RS::SHADER_SPATIAL));
if (!material_data || !material_data->shader_data->valid) {
break;
}
if (ginstance->data->dirty_dependencies) {
material_storage->material_update_dependency(next_pass, &ginstance->data->dependency_tracker);
}
_geometry_instance_add_surface_with_material(ginstance, p_surface, material_data, next_pass.get_local_index(), material_storage->material_get_shader_id(next_pass), p_mesh);
}
}
void RasterizerSceneGLES3::_geometry_instance_add_surface(GeometryInstanceGLES3 *ginstance, uint32_t p_surface, RID p_material, RID p_mesh) {
GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton();
RID m_src;
m_src = ginstance->data->material_override.is_valid() ? ginstance->data->material_override : p_material;
GLES3::SceneMaterialData *material_data = nullptr;
if (m_src.is_valid()) {
material_data = static_cast<GLES3::SceneMaterialData *>(material_storage->material_get_data(m_src, RS::SHADER_SPATIAL));
if (!material_data || !material_data->shader_data->valid) {
material_data = nullptr;
}
}
if (material_data) {
if (ginstance->data->dirty_dependencies) {
material_storage->material_update_dependency(m_src, &ginstance->data->dependency_tracker);
}
} else {
material_data = static_cast<GLES3::SceneMaterialData *>(material_storage->material_get_data(scene_globals.default_material, RS::SHADER_SPATIAL));
m_src = scene_globals.default_material;
}
ERR_FAIL_NULL(material_data);
_geometry_instance_add_surface_with_material_chain(ginstance, p_surface, material_data, m_src, p_mesh);
if (ginstance->data->material_overlay.is_valid()) {
m_src = ginstance->data->material_overlay;
material_data = static_cast<GLES3::SceneMaterialData *>(material_storage->material_get_data(m_src, RS::SHADER_SPATIAL));
if (material_data && material_data->shader_data->valid) {
if (ginstance->data->dirty_dependencies) {
material_storage->material_update_dependency(m_src, &ginstance->data->dependency_tracker);
}
_geometry_instance_add_surface_with_material_chain(ginstance, p_surface, material_data, m_src, p_mesh);
}
}
}
void RasterizerSceneGLES3::_geometry_instance_update(RenderGeometryInstance *p_geometry_instance) {
GLES3::MeshStorage *mesh_storage = GLES3::MeshStorage::get_singleton();
GLES3::ParticlesStorage *particles_storage = GLES3::ParticlesStorage::get_singleton();
GeometryInstanceGLES3 *ginstance = static_cast<GeometryInstanceGLES3 *>(p_geometry_instance);
if (ginstance->data->dirty_dependencies) {
ginstance->data->dependency_tracker.update_begin();
}
//add geometry for drawing
switch (ginstance->data->base_type) {
case RS::INSTANCE_MESH: {
const RID *materials = nullptr;
uint32_t surface_count;
RID mesh = ginstance->data->base;
materials = mesh_storage->mesh_get_surface_count_and_materials(mesh, surface_count);
if (materials) {
//if no materials, no surfaces.
const RID *inst_materials = ginstance->data->surface_materials.ptr();
uint32_t surf_mat_count = ginstance->data->surface_materials.size();
for (uint32_t j = 0; j < surface_count; j++) {
RID material = (j < surf_mat_count && inst_materials[j].is_valid()) ? inst_materials[j] : materials[j];
_geometry_instance_add_surface(ginstance, j, material, mesh);
}
}
ginstance->instance_count = -1;
} break;
case RS::INSTANCE_MULTIMESH: {
RID mesh = mesh_storage->multimesh_get_mesh(ginstance->data->base);
if (mesh.is_valid()) {
const RID *materials = nullptr;
uint32_t surface_count;
materials = mesh_storage->mesh_get_surface_count_and_materials(mesh, surface_count);
if (materials) {
for (uint32_t j = 0; j < surface_count; j++) {
_geometry_instance_add_surface(ginstance, j, materials[j], mesh);
}
}
ginstance->instance_count = mesh_storage->multimesh_get_instances_to_draw(ginstance->data->base);
}
} break;
case RS::INSTANCE_PARTICLES: {
int draw_passes = particles_storage->particles_get_draw_passes(ginstance->data->base);
for (int j = 0; j < draw_passes; j++) {
RID mesh = particles_storage->particles_get_draw_pass_mesh(ginstance->data->base, j);
if (!mesh.is_valid()) {
continue;
}
const RID *materials = nullptr;
uint32_t surface_count;
materials = mesh_storage->mesh_get_surface_count_and_materials(mesh, surface_count);
if (materials) {
for (uint32_t k = 0; k < surface_count; k++) {
_geometry_instance_add_surface(ginstance, k, materials[k], mesh);
}
}
}
ginstance->instance_count = particles_storage->particles_get_amount(ginstance->data->base);
} break;
default: {
}
}
bool store_transform = true;
ginstance->base_flags = 0;
if (ginstance->data->base_type == RS::INSTANCE_MULTIMESH) {
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH;
if (mesh_storage->multimesh_get_transform_format(ginstance->data->base) == RS::MULTIMESH_TRANSFORM_2D) {
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH_FORMAT_2D;
}
if (mesh_storage->multimesh_uses_colors(ginstance->data->base)) {
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH_HAS_COLOR;
}
if (mesh_storage->multimesh_uses_custom_data(ginstance->data->base)) {
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH_HAS_CUSTOM_DATA;
}
} else if (ginstance->data->base_type == RS::INSTANCE_PARTICLES) {
ginstance->base_flags |= INSTANCE_DATA_FLAG_PARTICLES;
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH;
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH_HAS_COLOR;
ginstance->base_flags |= INSTANCE_DATA_FLAG_MULTIMESH_HAS_CUSTOM_DATA;
if (!particles_storage->particles_is_using_local_coords(ginstance->data->base)) {
store_transform = false;
}
} else if (ginstance->data->base_type == RS::INSTANCE_MESH) {
if (mesh_storage->skeleton_is_valid(ginstance->data->skeleton)) {
if (ginstance->data->dirty_dependencies) {
mesh_storage->skeleton_update_dependency(ginstance->data->skeleton, &ginstance->data->dependency_tracker);
}
}
}
ginstance->store_transform_cache = store_transform;
if (ginstance->data->dirty_dependencies) {
ginstance->data->dependency_tracker.update_end();
ginstance->data->dirty_dependencies = false;
}
ginstance->dirty_list_element.remove_from_list();
}
/* SKY API */
void RasterizerSceneGLES3::_free_sky_data(Sky *p_sky) {
if (p_sky->radiance != 0) {
GLES3::Utilities::get_singleton()->texture_free_data(p_sky->radiance);
p_sky->radiance = 0;
GLES3::Utilities::get_singleton()->texture_free_data(p_sky->raw_radiance);
p_sky->raw_radiance = 0;
glDeleteFramebuffers(1, &p_sky->radiance_framebuffer);
p_sky->radiance_framebuffer = 0;
}
}
RID RasterizerSceneGLES3::sky_allocate() {
return sky_owner.allocate_rid();
}
void RasterizerSceneGLES3::sky_initialize(RID p_rid) {
sky_owner.initialize_rid(p_rid);
}
void RasterizerSceneGLES3::sky_set_radiance_size(RID p_sky, int p_radiance_size) {
Sky *sky = sky_owner.get_or_null(p_sky);
ERR_FAIL_NULL(sky);
ERR_FAIL_COND_MSG(p_radiance_size < 32 || p_radiance_size > 2048, "Sky radiance size must be between 32 and 2048");
if (sky->radiance_size == p_radiance_size) {
return; // No need to update
}
sky->radiance_size = p_radiance_size;
_free_sky_data(sky);
_invalidate_sky(sky);
}
void RasterizerSceneGLES3::sky_set_mode(RID p_sky, RS::SkyMode p_mode) {
Sky *sky = sky_owner.get_or_null(p_sky);
ERR_FAIL_NULL(sky);
if (sky->mode == p_mode) {
return;
}
sky->mode = p_mode;
_invalidate_sky(sky);
}
void RasterizerSceneGLES3::sky_set_material(RID p_sky, RID p_material) {
Sky *sky = sky_owner.get_or_null(p_sky);
ERR_FAIL_NULL(sky);
if (sky->material == p_material) {
return;
}
sky->material = p_material;
_invalidate_sky(sky);
}
float RasterizerSceneGLES3::sky_get_baked_exposure(RID p_sky) const {
Sky *sky = sky_owner.get_or_null(p_sky);
ERR_FAIL_NULL_V(sky, 1.0);
return sky->baked_exposure;
}
void RasterizerSceneGLES3::_invalidate_sky(Sky *p_sky) {
if (!p_sky->dirty) {
p_sky->dirty = true;
p_sky->dirty_list = dirty_sky_list;
dirty_sky_list = p_sky;
}
}
GLuint _init_radiance_texture(int p_size, int p_mipmaps, String p_name) {
GLuint radiance_id = 0;
glGenTextures(1, &radiance_id);
glBindTexture(GL_TEXTURE_CUBE_MAP, radiance_id);
#ifdef GL_API_ENABLED
if (RasterizerGLES3::is_gles_over_gl()) {
//TODO, on low-end compare this to allocating each face of each mip individually
// see: https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glTexStorage2D.xhtml
for (int i = 0; i < 6; i++) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB10_A2, p_size, p_size, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, nullptr);
}
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
}
#endif // GL_API_ENABLED
#ifdef GLES_API_ENABLED
if (!RasterizerGLES3::is_gles_over_gl()) {
glTexStorage2D(GL_TEXTURE_CUBE_MAP, p_mipmaps, GL_RGB10_A2, p_size, p_size);
}
#endif // GLES_API_ENABLED
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, p_mipmaps - 1);
GLES3::Utilities::get_singleton()->texture_allocated_data(radiance_id, Image::get_image_data_size(p_size, p_size, Image::FORMAT_RGBA8, true), p_name);
return radiance_id;
}
void RasterizerSceneGLES3::_update_dirty_skys() {
Sky *sky = dirty_sky_list;
while (sky) {
if (sky->radiance == 0) {
sky->mipmap_count = Image::get_image_required_mipmaps(sky->radiance_size, sky->radiance_size, Image::FORMAT_RGBA8) - 1;
// Left uninitialized, will attach a texture at render time
glGenFramebuffers(1, &sky->radiance_framebuffer);
sky->radiance = _init_radiance_texture(sky->radiance_size, sky->mipmap_count, "Sky radiance texture");
sky->raw_radiance = _init_radiance_texture(sky->radiance_size, sky->mipmap_count, "Sky raw radiance texture");
}
sky->reflection_dirty = true;
sky->processing_layer = 0;
Sky *next = sky->dirty_list;
sky->dirty_list = nullptr;
sky->dirty = false;
sky = next;
}
dirty_sky_list = nullptr;
}
void RasterizerSceneGLES3::_setup_sky(const RenderDataGLES3 *p_render_data, const PagedArray<RID> &p_lights, const Projection &p_projection, const Transform3D &p_transform, const Size2i p_screen_size) {
GLES3::LightStorage *light_storage = GLES3::LightStorage::get_singleton();
GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton();
ERR_FAIL_COND(p_render_data->environment.is_null());
GLES3::SkyMaterialData *material = nullptr;
Sky *sky = sky_owner.get_or_null(environment_get_sky(p_render_data->environment));
RID sky_material;
GLES3::SkyShaderData *shader_data = nullptr;
if (sky) {
sky_material = sky->material;
if (sky_material.is_valid()) {
material = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
if (!material || !material->shader_data->valid) {
material = nullptr;
}
}
}
if (!material) {
sky_material = sky_globals.default_material;
material = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
}
ERR_FAIL_NULL(material);
shader_data = material->shader_data;
ERR_FAIL_NULL(shader_data);
if (sky) {
if (shader_data->uses_time && time - sky->prev_time > 0.00001) {
sky->prev_time = time;
sky->reflection_dirty = true;
RenderingServerDefault::redraw_request();
}
if (material != sky->prev_material) {
sky->prev_material = material;
sky->reflection_dirty = true;
}
if (material->uniform_set_updated) {
material->uniform_set_updated = false;
sky->reflection_dirty = true;
}
if (!p_transform.origin.is_equal_approx(sky->prev_position) && shader_data->uses_position) {
sky->prev_position = p_transform.origin;
sky->reflection_dirty = true;
}
}
glBindBufferBase(GL_UNIFORM_BUFFER, SKY_DIRECTIONAL_LIGHT_UNIFORM_LOCATION, sky_globals.directional_light_buffer);
if (shader_data->uses_light) {
sky_globals.directional_light_count = 0;
for (int i = 0; i < (int)p_lights.size(); i++) {
GLES3::LightInstance *li = GLES3::LightStorage::get_singleton()->get_light_instance(p_lights[i]);
if (!li) {
continue;
}
RID base = li->light;
ERR_CONTINUE(base.is_null());
RS::LightType type = light_storage->light_get_type(base);
if (type == RS::LIGHT_DIRECTIONAL && light_storage->light_directional_get_sky_mode(base) != RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_ONLY) {
DirectionalLightData &sky_light_data = sky_globals.directional_lights[sky_globals.directional_light_count];
Transform3D light_transform = li->transform;
Vector3 world_direction = light_transform.basis.xform(Vector3(0, 0, 1)).normalized();
sky_light_data.direction[0] = world_direction.x;
sky_light_data.direction[1] = world_direction.y;
sky_light_data.direction[2] = world_direction.z;
float sign = light_storage->light_is_negative(base) ? -1 : 1;
sky_light_data.energy = sign * light_storage->light_get_param(base, RS::LIGHT_PARAM_ENERGY);
if (is_using_physical_light_units()) {
sky_light_data.energy *= light_storage->light_get_param(base, RS::LIGHT_PARAM_INTENSITY);
}
if (p_render_data->camera_attributes.is_valid()) {
sky_light_data.energy *= RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes);
}
Color linear_col = light_storage->light_get_color(base);
sky_light_data.color[0] = linear_col.r;
sky_light_data.color[1] = linear_col.g;
sky_light_data.color[2] = linear_col.b;
sky_light_data.enabled = true;
float angular_diameter = light_storage->light_get_param(base, RS::LIGHT_PARAM_SIZE);
if (angular_diameter > 0.0) {
angular_diameter = Math::tan(Math::deg_to_rad(angular_diameter));
} else {
angular_diameter = 0.0;
}
sky_light_data.size = angular_diameter;
sky_globals.directional_light_count++;
if (sky_globals.directional_light_count >= sky_globals.max_directional_lights) {
break;
}
}
}
// Check whether the directional_light_buffer changes
bool light_data_dirty = false;
// Light buffer is dirty if we have fewer or more lights
// If we have fewer lights, make sure that old lights are disabled
if (sky_globals.directional_light_count != sky_globals.last_frame_directional_light_count) {
light_data_dirty = true;
for (uint32_t i = sky_globals.directional_light_count; i < sky_globals.max_directional_lights; i++) {
sky_globals.directional_lights[i].enabled = false;
sky_globals.last_frame_directional_lights[i].enabled = false;
}
}
if (!light_data_dirty) {
for (uint32_t i = 0; i < sky_globals.directional_light_count; i++) {
if (sky_globals.directional_lights[i].direction[0] != sky_globals.last_frame_directional_lights[i].direction[0] ||
sky_globals.directional_lights[i].direction[1] != sky_globals.last_frame_directional_lights[i].direction[1] ||
sky_globals.directional_lights[i].direction[2] != sky_globals.last_frame_directional_lights[i].direction[2] ||
sky_globals.directional_lights[i].energy != sky_globals.last_frame_directional_lights[i].energy ||
sky_globals.directional_lights[i].color[0] != sky_globals.last_frame_directional_lights[i].color[0] ||
sky_globals.directional_lights[i].color[1] != sky_globals.last_frame_directional_lights[i].color[1] ||
sky_globals.directional_lights[i].color[2] != sky_globals.last_frame_directional_lights[i].color[2] ||
sky_globals.directional_lights[i].enabled != sky_globals.last_frame_directional_lights[i].enabled ||
sky_globals.directional_lights[i].size != sky_globals.last_frame_directional_lights[i].size) {
light_data_dirty = true;
break;
}
}
}
if (light_data_dirty) {
glBufferData(GL_UNIFORM_BUFFER, sizeof(DirectionalLightData) * sky_globals.max_directional_lights, sky_globals.directional_lights, GL_STREAM_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
DirectionalLightData *temp = sky_globals.last_frame_directional_lights;
sky_globals.last_frame_directional_lights = sky_globals.directional_lights;
sky_globals.directional_lights = temp;
sky_globals.last_frame_directional_light_count = sky_globals.directional_light_count;
if (sky) {
sky->reflection_dirty = true;
}
}
}
if (p_render_data->view_count > 1) {
glBindBufferBase(GL_UNIFORM_BUFFER, SKY_MULTIVIEW_UNIFORM_LOCATION, scene_state.multiview_buffer);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
if (sky && !sky->radiance) {
_invalidate_sky(sky);
_update_dirty_skys();
}
}
void RasterizerSceneGLES3::_draw_sky(RID p_env, const Projection &p_projection, const Transform3D &p_transform, float p_sky_energy_multiplier, float p_luminance_multiplier, bool p_use_multiview, bool p_flip_y, bool p_apply_color_adjustments_in_post) {
GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton();
ERR_FAIL_COND(p_env.is_null());
Sky *sky = sky_owner.get_or_null(environment_get_sky(p_env));
GLES3::SkyMaterialData *material_data = nullptr;
RID sky_material;
uint64_t spec_constants = p_use_multiview ? SkyShaderGLES3::USE_MULTIVIEW : 0;
if (p_flip_y) {
spec_constants |= SkyShaderGLES3::USE_INVERTED_Y;
}
if (!p_apply_color_adjustments_in_post) {
spec_constants |= SkyShaderGLES3::APPLY_TONEMAPPING;
}
RS::EnvironmentBG background = environment_get_background(p_env);
if (sky) {
sky_material = sky->material;
if (sky_material.is_valid()) {
material_data = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
if (!material_data || !material_data->shader_data->valid) {
material_data = nullptr;
}
}
if (!material_data) {
sky_material = sky_globals.default_material;
material_data = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
}
} else if (background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) {
sky_material = sky_globals.fog_material;
material_data = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
}
ERR_FAIL_NULL(material_data);
material_data->bind_uniforms();
GLES3::SkyShaderData *shader_data = material_data->shader_data;
ERR_FAIL_NULL(shader_data);
// Camera
Projection camera;
if (environment_get_sky_custom_fov(p_env)) {
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(environment_get_sky_custom_fov(p_env), aspect, near_plane, far_plane);
} else {
camera = p_projection;
}
Projection correction;
correction.set_depth_correction(false, true, false);
camera = correction * camera;
Basis sky_transform = environment_get_sky_orientation(p_env);
sky_transform.invert();
sky_transform = sky_transform * p_transform.basis;
bool success = material_storage->shaders.sky_shader.version_bind_shader(shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
if (!success) {
return;
}
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::ORIENTATION, sky_transform, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::PROJECTION, camera.columns[2][0], camera.columns[0][0], camera.columns[2][1], camera.columns[1][1], shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::POSITION, p_transform.origin, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::TIME, time, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::SKY_ENERGY_MULTIPLIER, p_sky_energy_multiplier, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::LUMINANCE_MULTIPLIER, p_luminance_multiplier, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
Color fog_color = environment_get_fog_light_color(p_env).srgb_to_linear() * environment_get_fog_light_energy(p_env);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::FOG_ENABLED, environment_get_fog_enabled(p_env), shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::FOG_AERIAL_PERSPECTIVE, environment_get_fog_aerial_perspective(p_env), shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::FOG_LIGHT_COLOR, fog_color, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::FOG_SUN_SCATTER, environment_get_fog_sun_scatter(p_env), shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::FOG_DENSITY, environment_get_fog_density(p_env), shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::FOG_SKY_AFFECT, environment_get_fog_sky_affect(p_env), shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::DIRECTIONAL_LIGHT_COUNT, sky_globals.directional_light_count, shader_data->version, SkyShaderGLES3::MODE_BACKGROUND, spec_constants);
if (p_use_multiview) {
glBindBufferBase(GL_UNIFORM_BUFFER, SKY_MULTIVIEW_UNIFORM_LOCATION, scene_state.multiview_buffer);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
glBindVertexArray(sky_globals.screen_triangle_array);
glDrawArrays(GL_TRIANGLES, 0, 3);
}
void RasterizerSceneGLES3::_update_sky_radiance(RID p_env, const Projection &p_projection, const Transform3D &p_transform, float p_sky_energy_multiplier) {
GLES3::CubemapFilter *cubemap_filter = GLES3::CubemapFilter::get_singleton();
GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton();
ERR_FAIL_COND(p_env.is_null());
Sky *sky = sky_owner.get_or_null(environment_get_sky(p_env));
ERR_FAIL_NULL(sky);
GLES3::SkyMaterialData *material_data = nullptr;
RID sky_material;
RS::EnvironmentBG background = environment_get_background(p_env);
if (sky) {
ERR_FAIL_NULL(sky);
sky_material = sky->material;
if (sky_material.is_valid()) {
material_data = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
if (!material_data || !material_data->shader_data->valid) {
material_data = nullptr;
}
}
if (!material_data) {
sky_material = sky_globals.default_material;
material_data = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
}
} else if (background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) {
sky_material = sky_globals.fog_material;
material_data = static_cast<GLES3::SkyMaterialData *>(material_storage->material_get_data(sky_material, RS::SHADER_SKY));
}
ERR_FAIL_NULL(material_data);
material_data->bind_uniforms();
GLES3::SkyShaderData *shader_data = material_data->shader_data;
ERR_FAIL_NULL(shader_data);
bool update_single_frame = sky->mode == RS::SKY_MODE_REALTIME || sky->mode == RS::SKY_MODE_QUALITY;
RS::SkyMode sky_mode = sky->mode;
if (sky_mode == RS::SKY_MODE_AUTOMATIC) {
if ((shader_data->uses_time || shader_data->uses_position) && sky->radiance_size == 256) {
update_single_frame = true;
sky_mode = RS::SKY_MODE_REALTIME;
} else if (shader_data->uses_light || shader_data->ubo_size > 0) {
update_single_frame = false;
sky_mode = RS::SKY_MODE_INCREMENTAL;
} else {
update_single_frame = true;
sky_mode = RS::SKY_MODE_QUALITY;
}
}
if (sky->processing_layer == 0 && sky_mode == RS::SKY_MODE_INCREMENTAL) {
// On the first frame after creating sky, rebuild in single frame
update_single_frame = true;
sky_mode = RS::SKY_MODE_QUALITY;
}
int max_processing_layer = sky->mipmap_count;
// Update radiance cubemap
if (sky->reflection_dirty && (sky->processing_layer >= max_processing_layer || update_single_frame)) {
static const Vector3 view_normals[6] = {
Vector3(+1, 0, 0),
Vector3(-1, 0, 0),
Vector3(0, +1, 0),
Vector3(0, -1, 0),
Vector3(0, 0, +1),
Vector3(0, 0, -1)
};
static const Vector3 view_up[6] = {
Vector3(0, -1, 0),
Vector3(0, -1, 0),
Vector3(0, 0, +1),
Vector3(0, 0, -1),
Vector3(0, -1, 0),
Vector3(0, -1, 0)
};
Projection cm;
cm.set_perspective(90, 1, 0.01, 10.0);
Projection correction;
correction.set_depth_correction(true, true, false);
cm = correction * cm;
bool success = material_storage->shaders.sky_shader.version_bind_shader(shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
if (!success) {
return;
}
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::POSITION, p_transform.origin, shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::TIME, time, shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::PROJECTION, cm.columns[2][0], cm.columns[0][0], cm.columns[2][1], cm.columns[1][1], shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::SKY_ENERGY_MULTIPLIER, p_sky_energy_multiplier, shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::LUMINANCE_MULTIPLIER, 1.0, shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
glBindVertexArray(sky_globals.screen_triangle_array);
glViewport(0, 0, sky->radiance_size, sky->radiance_size);
glBindFramebuffer(GL_FRAMEBUFFER, sky->radiance_framebuffer);
scene_state.reset_gl_state();
scene_state.set_gl_cull_mode(GLES3::SceneShaderData::CULL_DISABLED);
scene_state.enable_gl_blend(false);
for (int i = 0; i < 6; i++) {
Basis local_view = Basis::looking_at(view_normals[i], view_up[i]);
material_storage->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::ORIENTATION, local_view, shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, sky->raw_radiance, 0);
glDrawArrays(GL_TRIANGLES, 0, 3);
}
if (update_single_frame) {
for (int i = 0; i < max_processing_layer; i++) {
cubemap_filter->filter_radiance(sky->raw_radiance, sky->radiance, sky->radiance_framebuffer, sky->radiance_size, sky->mipmap_count, i);
}
} else {
cubemap_filter->filter_radiance(sky->raw_radiance, sky->radiance, sky->radiance_framebuffer, sky->radiance_size, sky->mipmap_count, 0); // Just copy over the first mipmap.
}
sky->processing_layer = 1;
sky->baked_exposure = p_sky_energy_multiplier;
sky->reflection_dirty = false;
} else {
if (sky_mode == RS::SKY_MODE_INCREMENTAL && sky->processing_layer < max_processing_layer) {
scene_state.reset_gl_state();
scene_state.set_gl_cull_mode(GLES3::SceneShaderData::CULL_DISABLED);