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Merge pull request #88056 from BastiaanOlij/gles_reflection_probes

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Add reflection probe support to compatibility renderer
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Rémi Verschelde 2024-04-09 22:25:07 +02:00
commit c8fb248f92
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17 changed files with 1160 additions and 220 deletions
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209
drivers/gles3/effects/cubemap_filter.cpp Normal file
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@ -0,0 +1,209 @@
/**************************************************************************/
/* cubemap_filter.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. */
/**************************************************************************/
#ifdef GLES3_ENABLED
#include "cubemap_filter.h"
#include "../storage/texture_storage.h"
#include "core/config/project_settings.h"
using namespace GLES3;
CubemapFilter *CubemapFilter::singleton = nullptr;
CubemapFilter::CubemapFilter() {
singleton = this;
ggx_samples = GLOBAL_GET("rendering/reflections/sky_reflections/ggx_samples");
{
String defines;
defines += "\n#define MAX_SAMPLE_COUNT " + itos(ggx_samples) + "\n";
cubemap_filter.shader.initialize(defines);
cubemap_filter.shader_version = cubemap_filter.shader.version_create();
}
{ // Screen Triangle.
glGenBuffers(1, &screen_triangle);
glBindBuffer(GL_ARRAY_BUFFER, screen_triangle);
const float qv[6] = {
-1.0f,
-1.0f,
3.0f,
-1.0f,
-1.0f,
3.0f,
};
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6, qv, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
glGenVertexArrays(1, &screen_triangle_array);
glBindVertexArray(screen_triangle_array);
glBindBuffer(GL_ARRAY_BUFFER, screen_triangle);
glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 2, nullptr);
glEnableVertexAttribArray(RS::ARRAY_VERTEX);
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
}
}
CubemapFilter::~CubemapFilter() {
glDeleteBuffers(1, &screen_triangle);
glDeleteVertexArrays(1, &screen_triangle_array);
cubemap_filter.shader.version_free(cubemap_filter.shader_version);
singleton = nullptr;
}
// Helper functions for IBL filtering
Vector3 importance_sample_GGX(Vector2 xi, float roughness4) {
// Compute distribution direction
float phi = 2.0 * Math_PI * xi.x;
float cos_theta = sqrt((1.0 - xi.y) / (1.0 + (roughness4 - 1.0) * xi.y));
float sin_theta = sqrt(1.0 - cos_theta * cos_theta);
// Convert to spherical direction
Vector3 half_vector;
half_vector.x = sin_theta * cos(phi);
half_vector.y = sin_theta * sin(phi);
half_vector.z = cos_theta;
return half_vector;
}
float distribution_GGX(float NdotH, float roughness4) {
float NdotH2 = NdotH * NdotH;
float denom = (NdotH2 * (roughness4 - 1.0) + 1.0);
denom = Math_PI * denom * denom;
return roughness4 / denom;
}
float radical_inverse_vdC(uint32_t bits) {
bits = (bits << 16) | (bits >> 16);
bits = ((bits & 0x55555555) << 1) | ((bits & 0xAAAAAAAA) >> 1);
bits = ((bits & 0x33333333) << 2) | ((bits & 0xCCCCCCCC) >> 2);
bits = ((bits & 0x0F0F0F0F) << 4) | ((bits & 0xF0F0F0F0) >> 4);
bits = ((bits & 0x00FF00FF) << 8) | ((bits & 0xFF00FF00) >> 8);
return float(bits) * 2.3283064365386963e-10;
}
Vector2 hammersley(uint32_t i, uint32_t N) {
return Vector2(float(i) / float(N), radical_inverse_vdC(i));
}
void CubemapFilter::filter_radiance(GLuint p_source_cubemap, GLuint p_dest_cubemap, GLuint p_dest_framebuffer, int p_source_size, int p_mipmap_count, int p_layer) {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_CUBE_MAP, p_source_cubemap);
glBindFramebuffer(GL_FRAMEBUFFER, p_dest_framebuffer);
CubemapFilterShaderGLES3::ShaderVariant mode = CubemapFilterShaderGLES3::MODE_DEFAULT;
if (p_layer == 0) {
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
// Copy over base layer without filtering.
mode = CubemapFilterShaderGLES3::MODE_COPY;
}
int size = p_source_size >> p_layer;
glViewport(0, 0, size, size);
glBindVertexArray(screen_triangle_array);
bool success = cubemap_filter.shader.version_bind_shader(cubemap_filter.shader_version, mode);
if (!success) {
return;
}
if (p_layer > 0) {
const uint32_t sample_counts[4] = { 1, ggx_samples / 4, ggx_samples / 2, ggx_samples };
uint32_t sample_count = sample_counts[MIN(3, p_layer)];
float roughness = float(p_layer) / (p_mipmap_count);
float roughness4 = roughness * roughness;
roughness4 *= roughness4;
float solid_angle_texel = 4.0 * Math_PI / float(6 * size * size);
LocalVector<float> sample_directions;
sample_directions.resize(4 * sample_count);
uint32_t index = 0;
float weight = 0.0;
for (uint32_t i = 0; i < sample_count; i++) {
Vector2 xi = hammersley(i, sample_count);
Vector3 dir = importance_sample_GGX(xi, roughness4);
Vector3 light_vec = (2.0 * dir.z * dir - Vector3(0.0, 0.0, 1.0));
if (light_vec.z < 0.0) {
continue;
}
sample_directions[index * 4] = light_vec.x;
sample_directions[index * 4 + 1] = light_vec.y;
sample_directions[index * 4 + 2] = light_vec.z;
float D = distribution_GGX(dir.z, roughness4);
float pdf = D * dir.z / (4.0 * dir.z) + 0.0001;
float solid_angle_sample = 1.0 / (float(sample_count) * pdf + 0.0001);
float mip_level = MAX(0.5 * log2(solid_angle_sample / solid_angle_texel) + float(MAX(1, p_layer - 3)), 1.0);
sample_directions[index * 4 + 3] = mip_level;
weight += light_vec.z;
index++;
}
glUniform4fv(cubemap_filter.shader.version_get_uniform(CubemapFilterShaderGLES3::SAMPLE_DIRECTIONS_MIP, cubemap_filter.shader_version, mode), sample_count, sample_directions.ptr());
cubemap_filter.shader.version_set_uniform(CubemapFilterShaderGLES3::WEIGHT, weight, cubemap_filter.shader_version, mode);
cubemap_filter.shader.version_set_uniform(CubemapFilterShaderGLES3::SAMPLE_COUNT, index, cubemap_filter.shader_version, mode);
}
for (int i = 0; i < 6; i++) {
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, p_dest_cubemap, p_layer);
#ifdef DEBUG_ENABLED
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
WARN_PRINT("Could not bind sky radiance face: " + itos(i) + ", status: " + GLES3::TextureStorage::get_singleton()->get_framebuffer_error(status));
}
#endif
cubemap_filter.shader.version_set_uniform(CubemapFilterShaderGLES3::FACE_ID, i, cubemap_filter.shader_version, mode);
glDrawArrays(GL_TRIANGLES, 0, 3);
}
glBindVertexArray(0);
glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo);
}
#endif // GLES3_ENABLED

70
drivers/gles3/effects/cubemap_filter.h Normal file
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@ -0,0 +1,70 @@
/**************************************************************************/
/* cubemap_filter.h */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#ifndef CUBEMAP_FILTER_GLES3_H
#define CUBEMAP_FILTER_GLES3_H
#ifdef GLES3_ENABLED
#include "drivers/gles3/shaders/effects/cubemap_filter.glsl.gen.h"
namespace GLES3 {
class CubemapFilter {
private:
struct CMF {
CubemapFilterShaderGLES3 shader;
RID shader_version;
} cubemap_filter;
static CubemapFilter *singleton;
// Use for full-screen effects. Slightly more efficient than screen_quad as this eliminates pixel overdraw along the diagonal.
GLuint screen_triangle = 0;
GLuint screen_triangle_array = 0;
uint32_t ggx_samples = 128;
public:
static CubemapFilter *get_singleton() {
return singleton;
}
CubemapFilter();
~CubemapFilter();
void filter_radiance(GLuint p_source_cubemap, GLuint p_dest_cubemap, GLuint p_dest_framebuffer, int p_source_size, int p_mipmap_count, int p_layer);
};
} //namespace GLES3
#endif // GLES3_ENABLED
#endif // CUBEMAP_FILTER_GLES3_H

2
drivers/gles3/rasterizer_gles3.cpp
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@ -208,6 +208,7 @@ void RasterizerGLES3::finalize() {
memdelete(fog);
memdelete(post_effects);
memdelete(glow);
memdelete(cubemap_filter);
memdelete(copy_effects);
memdelete(light_storage);
memdelete(particles_storage);
@ -354,6 +355,7 @@ RasterizerGLES3::RasterizerGLES3() {
particles_storage = memnew(GLES3::ParticlesStorage);
light_storage = memnew(GLES3::LightStorage);
copy_effects = memnew(GLES3::CopyEffects);
cubemap_filter = memnew(GLES3::CubemapFilter);
glow = memnew(GLES3::Glow);
post_effects = memnew(GLES3::PostEffects);
gi = memnew(GLES3::GI);

2
drivers/gles3/rasterizer_gles3.h
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@ -34,6 +34,7 @@
#ifdef GLES3_ENABLED
#include "effects/copy_effects.h"
#include "effects/cubemap_filter.h"
#include "effects/glow.h"
#include "effects/post_effects.h"
#include "environment/fog.h"
@ -70,6 +71,7 @@ protected:
GLES3::GI *gi = nullptr;
GLES3::Fog *fog = nullptr;
GLES3::CopyEffects *copy_effects = nullptr;
GLES3::CubemapFilter *cubemap_filter = nullptr;
GLES3::Glow *glow = nullptr;
GLES3::PostEffects *post_effects = nullptr;
RasterizerCanvasGLES3 *canvas = nullptr;

319
drivers/gles3/rasterizer_scene_gles3.cpp
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@ -65,7 +65,7 @@ RenderGeometryInstance *RasterizerSceneGLES3::geometry_instance_create(RID p_bas
}
uint32_t RasterizerSceneGLES3::geometry_instance_get_pair_mask() {
return (1 << RS::INSTANCE_LIGHT);
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) {
@ -97,6 +97,14 @@ void RasterizerSceneGLES3::GeometryInstanceGLES3::pair_light_instances(const RID
}
}
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);
@ -854,6 +862,7 @@ void RasterizerSceneGLES3::_draw_sky(RID p_env, const Projection &p_projection,
}
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());
@ -970,10 +979,10 @@ void RasterizerSceneGLES3::_update_sky_radiance(RID p_env, const Projection &p_p
if (update_single_frame) {
for (int i = 0; i < max_processing_layer; i++) {
_filter_sky_radiance(sky, i);
cubemap_filter->filter_radiance(sky->raw_radiance, sky->radiance, sky->radiance_framebuffer, sky->radiance_size, sky->mipmap_count, i);
}
} else {
_filter_sky_radiance(sky, 0); //Just copy over the first mipmap
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;
@ -984,135 +993,11 @@ void RasterizerSceneGLES3::_update_sky_radiance(RID p_env, const Projection &p_p
scene_state.set_gl_cull_mode(GLES3::SceneShaderData::CULL_DISABLED);
scene_state.enable_gl_blend(false);
_filter_sky_radiance(sky, sky->processing_layer);
cubemap_filter->filter_radiance(sky->raw_radiance, sky->radiance, sky->radiance_framebuffer, sky->radiance_size, sky->mipmap_count, sky->processing_layer);
sky->processing_layer++;
}
}
}
// Helper functions for IBL filtering
Vector3 importance_sample_GGX(Vector2 xi, float roughness4) {
// Compute distribution direction
float phi = 2.0 * Math_PI * xi.x;
float cos_theta = sqrt((1.0 - xi.y) / (1.0 + (roughness4 - 1.0) * xi.y));
float sin_theta = sqrt(1.0 - cos_theta * cos_theta);
// Convert to spherical direction
Vector3 half_vector;
half_vector.x = sin_theta * cos(phi);
half_vector.y = sin_theta * sin(phi);
half_vector.z = cos_theta;
return half_vector;
}
float distribution_GGX(float NdotH, float roughness4) {
float NdotH2 = NdotH * NdotH;
float denom = (NdotH2 * (roughness4 - 1.0) + 1.0);
denom = Math_PI * denom * denom;
return roughness4 / denom;
}
float radical_inverse_vdC(uint32_t bits) {
bits = (bits << 16) | (bits >> 16);
bits = ((bits & 0x55555555) << 1) | ((bits & 0xAAAAAAAA) >> 1);
bits = ((bits & 0x33333333) << 2) | ((bits & 0xCCCCCCCC) >> 2);
bits = ((bits & 0x0F0F0F0F) << 4) | ((bits & 0xF0F0F0F0) >> 4);
bits = ((bits & 0x00FF00FF) << 8) | ((bits & 0xFF00FF00) >> 8);
return float(bits) * 2.3283064365386963e-10;
}
Vector2 hammersley(uint32_t i, uint32_t N) {
return Vector2(float(i) / float(N), radical_inverse_vdC(i));
}
void RasterizerSceneGLES3::_filter_sky_radiance(Sky *p_sky, int p_base_layer) {
GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton();
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_CUBE_MAP, p_sky->raw_radiance);
glBindFramebuffer(GL_FRAMEBUFFER, p_sky->radiance_framebuffer);
CubemapFilterShaderGLES3::ShaderVariant mode = CubemapFilterShaderGLES3::MODE_DEFAULT;
if (p_base_layer == 0) {
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
// Copy over base layer without filtering.
mode = CubemapFilterShaderGLES3::MODE_COPY;
}
int size = p_sky->radiance_size >> p_base_layer;
glViewport(0, 0, size, size);
glBindVertexArray(sky_globals.screen_triangle_array);
bool success = material_storage->shaders.cubemap_filter_shader.version_bind_shader(scene_globals.cubemap_filter_shader_version, mode);
if (!success) {
return;
}
if (p_base_layer > 0) {
const uint32_t sample_counts[4] = { 1, sky_globals.ggx_samples / 4, sky_globals.ggx_samples / 2, sky_globals.ggx_samples };
uint32_t sample_count = sample_counts[MIN(3, p_base_layer)];
float roughness = float(p_base_layer) / (p_sky->mipmap_count);
float roughness4 = roughness * roughness;
roughness4 *= roughness4;
float solid_angle_texel = 4.0 * Math_PI / float(6 * size * size);
LocalVector<float> sample_directions;
sample_directions.resize(4 * sample_count);
uint32_t index = 0;
float weight = 0.0;
for (uint32_t i = 0; i < sample_count; i++) {
Vector2 xi = hammersley(i, sample_count);
Vector3 dir = importance_sample_GGX(xi, roughness4);
Vector3 light_vec = (2.0 * dir.z * dir - Vector3(0.0, 0.0, 1.0));
if (light_vec.z < 0.0) {
continue;
}
sample_directions[index * 4] = light_vec.x;
sample_directions[index * 4 + 1] = light_vec.y;
sample_directions[index * 4 + 2] = light_vec.z;
float D = distribution_GGX(dir.z, roughness4);
float pdf = D * dir.z / (4.0 * dir.z) + 0.0001;
float solid_angle_sample = 1.0 / (float(sample_count) * pdf + 0.0001);
float mip_level = MAX(0.5 * log2(solid_angle_sample / solid_angle_texel) + float(MAX(1, p_base_layer - 3)), 1.0);
sample_directions[index * 4 + 3] = mip_level;
weight += light_vec.z;
index++;
}
glUniform4fv(material_storage->shaders.cubemap_filter_shader.version_get_uniform(CubemapFilterShaderGLES3::SAMPLE_DIRECTIONS_MIP, scene_globals.cubemap_filter_shader_version, mode), sample_count, sample_directions.ptr());
material_storage->shaders.cubemap_filter_shader.version_set_uniform(CubemapFilterShaderGLES3::WEIGHT, weight, scene_globals.cubemap_filter_shader_version, mode);
material_storage->shaders.cubemap_filter_shader.version_set_uniform(CubemapFilterShaderGLES3::SAMPLE_COUNT, index, scene_globals.cubemap_filter_shader_version, mode);
}
for (int i = 0; i < 6; i++) {
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, p_sky->radiance, p_base_layer);
#ifdef DEBUG_ENABLED
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
WARN_PRINT("Could not bind sky radiance face: " + itos(i) + ", status: " + GLES3::TextureStorage::get_singleton()->get_framebuffer_error(status));
}
#endif
material_storage->shaders.cubemap_filter_shader.version_set_uniform(CubemapFilterShaderGLES3::FACE_ID, i, scene_globals.cubemap_filter_shader_version, mode);
glDrawArrays(GL_TRIANGLES, 0, 3);
}
glBindVertexArray(0);
glViewport(0, 0, p_sky->screen_size.x, p_sky->screen_size.y);
glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo);
glViewport(0, 0, sky->screen_size.x, sky->screen_size.y);
}
Ref<Image> RasterizerSceneGLES3::sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size) {
@ -1334,6 +1219,7 @@ _FORCE_INLINE_ static uint32_t _indices_to_primitives(RS::PrimitiveType p_primit
}
void RasterizerSceneGLES3::_fill_render_list(RenderListType p_render_list, const RenderDataGLES3 *p_render_data, PassMode p_pass_mode, bool p_append) {
GLES3::MeshStorage *mesh_storage = GLES3::MeshStorage::get_singleton();
GLES3::LightStorage *light_storage = GLES3::LightStorage::get_singleton();
if (p_render_list == RENDER_LIST_OPAQUE) {
scene_state.used_screen_texture = false;
@ -1392,22 +1278,24 @@ void RasterizerSceneGLES3::_fill_render_list(RenderListType p_render_list, const
inst->light_passes.clear();
inst->spot_light_gl_cache.clear();
inst->omni_light_gl_cache.clear();
inst->reflection_probes_local_transform_cache.clear();
inst->reflection_probe_rid_cache.clear();
uint64_t current_frame = RSG::rasterizer->get_frame_number();
if (inst->paired_omni_light_count) {
for (uint32_t j = 0; j < inst->paired_omni_light_count; j++) {
RID light_instance = inst->paired_omni_lights[j];
if (GLES3::LightStorage::get_singleton()->light_instance_get_render_pass(light_instance) != current_frame) {
if (light_storage->light_instance_get_render_pass(light_instance) != current_frame) {
continue;
}
RID light = GLES3::LightStorage::get_singleton()->light_instance_get_base_light(light_instance);
int32_t shadow_id = GLES3::LightStorage::get_singleton()->light_instance_get_shadow_id(light_instance);
RID light = light_storage->light_instance_get_base_light(light_instance);
int32_t shadow_id = light_storage->light_instance_get_shadow_id(light_instance);
if (GLES3::LightStorage::get_singleton()->light_has_shadow(light) && shadow_id >= 0) {
if (light_storage->light_has_shadow(light) && shadow_id >= 0) {
// Skip static lights when a lightmap is used.
if (!inst->lightmap_instance.is_valid() || GLES3::LightStorage::get_singleton()->light_get_bake_mode(light) != RenderingServer::LIGHT_BAKE_STATIC) {
if (!inst->lightmap_instance.is_valid() || light_storage->light_get_bake_mode(light) != RenderingServer::LIGHT_BAKE_STATIC) {
GeometryInstanceGLES3::LightPass pass;
pass.light_id = GLES3::LightStorage::get_singleton()->light_instance_get_gl_id(light_instance);
pass.light_id = light_storage->light_instance_get_gl_id(light_instance);
pass.shadow_id = shadow_id;
pass.light_instance_rid = light_instance;
pass.is_omni = true;
@ -1415,7 +1303,7 @@ void RasterizerSceneGLES3::_fill_render_list(RenderListType p_render_list, const
}
} else {
// Lights without shadow can all go in base pass.
inst->omni_light_gl_cache.push_back((uint32_t)GLES3::LightStorage::get_singleton()->light_instance_get_gl_id(light_instance));
inst->omni_light_gl_cache.push_back((uint32_t)light_storage->light_instance_get_gl_id(light_instance));
}
}
}
@ -1423,24 +1311,42 @@ void RasterizerSceneGLES3::_fill_render_list(RenderListType p_render_list, const
if (inst->paired_spot_light_count) {
for (uint32_t j = 0; j < inst->paired_spot_light_count; j++) {
RID light_instance = inst->paired_spot_lights[j];
if (GLES3::LightStorage::get_singleton()->light_instance_get_render_pass(light_instance) != current_frame) {
if (light_storage->light_instance_get_render_pass(light_instance) != current_frame) {
continue;
}
RID light = GLES3::LightStorage::get_singleton()->light_instance_get_base_light(light_instance);
int32_t shadow_id = GLES3::LightStorage::get_singleton()->light_instance_get_shadow_id(light_instance);
RID light = light_storage->light_instance_get_base_light(light_instance);
int32_t shadow_id = light_storage->light_instance_get_shadow_id(light_instance);
if (GLES3::LightStorage::get_singleton()->light_has_shadow(light) && shadow_id >= 0) {
if (light_storage->light_has_shadow(light) && shadow_id >= 0) {
// Skip static lights when a lightmap is used.
if (!inst->lightmap_instance.is_valid() || GLES3::LightStorage::get_singleton()->light_get_bake_mode(light) != RenderingServer::LIGHT_BAKE_STATIC) {
if (!inst->lightmap_instance.is_valid() || light_storage->light_get_bake_mode(light) != RenderingServer::LIGHT_BAKE_STATIC) {
GeometryInstanceGLES3::LightPass pass;
pass.light_id = GLES3::LightStorage::get_singleton()->light_instance_get_gl_id(light_instance);
pass.light_id = light_storage->light_instance_get_gl_id(light_instance);
pass.shadow_id = shadow_id;
pass.light_instance_rid = light_instance;
inst->light_passes.push_back(pass);
}
} else {
// Lights without shadow can all go in base pass.
inst->spot_light_gl_cache.push_back((uint32_t)GLES3::LightStorage::get_singleton()->light_instance_get_gl_id(light_instance));
inst->spot_light_gl_cache.push_back((uint32_t)light_storage->light_instance_get_gl_id(light_instance));
}
}
}
if (p_render_data->reflection_probe.is_null() && inst->paired_reflection_probes.size() > 0) {
// Do not include if we're rendering reflection probes.
// We only support two probes for now and we handle them first come, first serve.
// This should be improved one day, at minimum the list should be sorted by priority.
for (uint32_t pi = 0; pi < inst->paired_reflection_probes.size(); pi++) {
RID probe_instance = inst->paired_reflection_probes[pi];
RID atlas = light_storage->reflection_probe_instance_get_atlas(probe_instance);
RID probe = light_storage->reflection_probe_instance_get_probe(probe_instance);
uint32_t reflection_mask = light_storage->reflection_probe_get_reflection_mask(probe);
if (atlas.is_valid() && (inst->layer_mask & reflection_mask)) {
Transform3D local_matrix = p_render_data->inv_cam_transform * light_storage->reflection_probe_instance_get_transform(probe_instance);
inst->reflection_probes_local_transform_cache.push_back(local_matrix.affine_inverse());
inst->reflection_probe_rid_cache.push_back(probe_instance);
}
}
}
@ -2321,20 +2227,21 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
RENDER_TIMESTAMP("Setup 3D Scene");
bool apply_color_adjustments_in_post = false;
bool is_reflection_probe = p_reflection_probe.is_valid();
Ref<RenderSceneBuffersGLES3> rb;
if (p_render_buffers.is_valid()) {
rb = p_render_buffers;
ERR_FAIL_COND(rb.is_null());
Ref<RenderSceneBuffersGLES3> rb = p_render_buffers;
ERR_FAIL_COND(rb.is_null());
if (rb->get_scaling_3d_mode() != RS::VIEWPORT_SCALING_3D_MODE_OFF) {
// If we're scaling, we apply tonemapping etc. in post, so disable it during rendering
apply_color_adjustments_in_post = true;
}
if (rb->get_scaling_3d_mode() != RS::VIEWPORT_SCALING_3D_MODE_OFF) {
// If we're scaling, we apply tonemapping etc. in post, so disable it during rendering
apply_color_adjustments_in_post = true;
}
GLES3::RenderTarget *rt = texture_storage->get_render_target(rb->render_target);
ERR_FAIL_NULL(rt);
GLES3::RenderTarget *rt = nullptr; // No render target for reflection probe
if (!is_reflection_probe) {
rt = texture_storage->get_render_target(rb->render_target);
ERR_FAIL_NULL(rt);
}
bool glow_enabled = false;
if (p_environment.is_valid() && rb.is_valid()) {
@ -2351,7 +2258,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
RenderDataGLES3 render_data;
{
render_data.render_buffers = rb;
render_data.transparent_bg = rb.is_valid() ? rt->is_transparent : false;
render_data.transparent_bg = rt ? rt->is_transparent : false;
// Our first camera is used by default
render_data.cam_transform = p_camera_data->main_transform;
render_data.inv_cam_transform = render_data.cam_transform.affine_inverse();
@ -2381,7 +2288,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
// this should be the same for all cameras..
render_data.lod_distance_multiplier = p_camera_data->main_projection.get_lod_multiplier();
if (rt->color_type == GL_UNSIGNED_INT_2_10_10_10_REV && glow_enabled) {
if (rt != nullptr && rt->color_type == GL_UNSIGNED_INT_2_10_10_10_REV && glow_enabled) {
// As our output is in sRGB and we're using 10bit color space, we can fake a little HDR to do glow...
render_data.luminance_multiplier = 0.25;
} else {
@ -2415,7 +2322,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
glBindBufferBase(GL_UNIFORM_BUFFER, SCENE_GLOBALS_UNIFORM_LOCATION, global_buffer);
Color clear_color;
if (p_render_buffers.is_valid()) {
if (!is_reflection_probe && rb->render_target.is_valid()) {
clear_color = texture_storage->render_target_get_clear_request_color(rb->render_target);
} else {
clear_color = texture_storage->get_default_clear_color();
@ -2448,9 +2355,9 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
scene_state.ubo.emissive_exposure_normalization = -1.0; // Use default exposure normalization.
bool flip_y = !render_data.reflection_probe.is_valid();
bool flip_y = !is_reflection_probe;
if (rt->overridden.color.is_valid()) {
if (rt && rt->overridden.color.is_valid()) {
// If we've overridden the render target's color texture, then don't render upside down.
// We're probably rendering directly to an XR device.
flip_y = false;
@ -2462,7 +2369,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
_render_shadows(&render_data, screen_size);
_setup_lights(&render_data, true, render_data.directional_light_count, render_data.omni_light_count, render_data.spot_light_count, render_data.directional_shadow_count);
_setup_environment(&render_data, render_data.reflection_probe.is_valid(), screen_size, flip_y, clear_color, false);
_setup_environment(&render_data, is_reflection_probe, screen_size, flip_y, clear_color, false);
_fill_render_list(RENDER_LIST_OPAQUE, &render_data, PASS_MODE_COLOR);
render_list[RENDER_LIST_OPAQUE].sort_by_key();
@ -2522,7 +2429,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
if (draw_sky || draw_sky_fog_only || environment_get_reflection_source(render_data.environment) == RS::ENV_REFLECTION_SOURCE_SKY || environment_get_ambient_source(render_data.environment) == RS::ENV_AMBIENT_SOURCE_SKY) {
RENDER_TIMESTAMP("Setup Sky");
Projection projection = render_data.cam_projection;
if (render_data.reflection_probe.is_valid()) {
if (is_reflection_probe) {
Projection correction;
correction.set_depth_correction(true, true, false);
projection = correction * render_data.cam_projection;
@ -2543,7 +2450,12 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
}
}
GLuint fbo = rb->get_render_fbo();
GLuint fbo = 0;
if (is_reflection_probe) {
fbo = GLES3::LightStorage::get_singleton()->reflection_probe_instance_get_framebuffer(render_data.reflection_probe, render_data.reflection_probe_pass);
} else {
fbo = rb->get_render_fbo();
}
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glViewport(0, 0, rb->internal_size.x, rb->internal_size.y);
@ -2664,10 +2576,17 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
scene_state.enable_gl_blend(false);
scene_state.set_gl_cull_mode(GLES3::SceneShaderData::CULL_BACK);
_draw_sky(render_data.environment, render_data.cam_projection, render_data.cam_transform, sky_energy_multiplier, render_data.luminance_multiplier, p_camera_data->view_count > 1, flip_y, apply_color_adjustments_in_post);
Projection projection = render_data.cam_projection;
if (is_reflection_probe) {
Projection correction;
correction.columns[1][1] = -1.0;
projection = correction * render_data.cam_projection;
}
_draw_sky(render_data.environment, projection, render_data.cam_transform, sky_energy_multiplier, render_data.luminance_multiplier, p_camera_data->view_count > 1, flip_y, apply_color_adjustments_in_post);
}
if (scene_state.used_screen_texture || scene_state.used_depth_texture) {
if (rt && (scene_state.used_screen_texture || scene_state.used_depth_texture)) {
Size2i size;
GLuint backbuffer_fbo = 0;
GLuint backbuffer = 0;
@ -2725,7 +2644,7 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
glFrontFace(GL_CCW);
}
if (rb.is_valid()) {
if (!is_reflection_probe && rb.is_valid()) {
_render_buffers_debug_draw(rb, p_shadow_atlas, fbo);
}
@ -2733,9 +2652,11 @@ void RasterizerSceneGLES3::render_scene(const Ref<RenderSceneBuffers> &p_render_
scene_state.reset_gl_state();
glUseProgram(0);
_render_post_processing(&render_data);
if (!is_reflection_probe) {
_render_post_processing(&render_data);
texture_storage->render_target_disable_clear_request(rb->render_target);
texture_storage->render_target_disable_clear_request(rb->render_target);
}
glActiveTexture(GL_TEXTURE0);
}
@ -3203,6 +3124,14 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
spec_constants |= SceneShaderGLES3::DISABLE_LIGHT_DIRECTIONAL;
}
if (inst->reflection_probe_rid_cache.size() == 0) {
// We don't have any probes.
spec_constants |= SceneShaderGLES3::DISABLE_REFLECTION_PROBE;
} else if (inst->reflection_probe_rid_cache.size() > 1) {
// We have a second probe.
spec_constants |= SceneShaderGLES3::SECOND_REFLECTION_PROBE;
}
if (inst->lightmap_instance.is_valid()) {
spec_constants |= SceneShaderGLES3::USE_LIGHTMAP;
@ -3224,6 +3153,7 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
spec_constants |= SceneShaderGLES3::DISABLE_LIGHT_SPOT;
spec_constants |= SceneShaderGLES3::DISABLE_LIGHT_DIRECTIONAL;
spec_constants |= SceneShaderGLES3::DISABLE_LIGHTMAP;
spec_constants |= SceneShaderGLES3::DISABLE_REFLECTION_PROBE;
}
if (uses_additive_lighting) {
@ -3383,6 +3313,52 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
}
}
// Pass in reflection probe data
if constexpr (p_pass_mode == PASS_MODE_COLOR || p_pass_mode == PASS_MODE_COLOR_TRANSPARENT) {
if (pass == 0 && inst->reflection_probe_rid_cache.size() > 0) {
GLES3::Config *config = GLES3::Config::get_singleton();
GLES3::LightStorage *light_storage = GLES3::LightStorage::get_singleton();
// Setup first probe.
{
RID probe_rid = light_storage->reflection_probe_instance_get_probe(inst->reflection_probe_rid_cache[0]);
GLES3::ReflectionProbe *probe = light_storage->get_reflection_probe(probe_rid);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_USE_BOX_PROJECT, probe->box_projection, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_BOX_EXTENTS, probe->size * 0.5, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_BOX_OFFSET, probe->origin_offset, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_EXTERIOR, !probe->interior, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_INTENSITY, probe->intensity, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_AMBIENT_MODE, int(probe->ambient_mode), shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_AMBIENT_COLOR, probe->ambient_color * probe->ambient_color_energy, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE1_LOCAL_MATRIX, inst->reflection_probes_local_transform_cache[0], shader->version, instance_variant, spec_constants);
glActiveTexture(GL_TEXTURE0 + config->max_texture_image_units - 7);
glBindTexture(GL_TEXTURE_CUBE_MAP, light_storage->reflection_probe_instance_get_texture(inst->reflection_probe_rid_cache[0]));
}
if (inst->reflection_probe_rid_cache.size() > 1) {
// Setup second probe.
RID probe_rid = light_storage->reflection_probe_instance_get_probe(inst->reflection_probe_rid_cache[1]);
GLES3::ReflectionProbe *probe = light_storage->get_reflection_probe(probe_rid);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_USE_BOX_PROJECT, probe->box_projection, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_BOX_EXTENTS, probe->size * 0.5, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_BOX_OFFSET, probe->origin_offset, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_EXTERIOR, !probe->interior, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_INTENSITY, probe->intensity, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_AMBIENT_MODE, int(probe->ambient_mode), shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_AMBIENT_COLOR, probe->ambient_color * probe->ambient_color_energy, shader->version, instance_variant, spec_constants);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::REFPROBE2_LOCAL_MATRIX, inst->reflection_probes_local_transform_cache[1], shader->version, instance_variant, spec_constants);
glActiveTexture(GL_TEXTURE0 + config->max_texture_image_units - 8);
glBindTexture(GL_TEXTURE_CUBE_MAP, light_storage->reflection_probe_instance_get_texture(inst->reflection_probe_rid_cache[1]));
spec_constants |= SceneShaderGLES3::SECOND_REFLECTION_PROBE;
}
}
}
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::WORLD_TRANSFORM, world_transform, shader->version, instance_variant, spec_constants);
{
GLES3::Mesh::Surface *s = reinterpret_cast<GLES3::Mesh::Surface *>(surf->surface);
@ -4074,6 +4050,7 @@ RasterizerSceneGLES3::RasterizerSceneGLES3() {
global_defines += "\n#define MAX_LIGHT_DATA_STRUCTS " + itos(config->max_renderable_lights) + "\n";
global_defines += "\n#define MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS " + itos(MAX_DIRECTIONAL_LIGHTS) + "\n";
global_defines += "\n#define MAX_FORWARD_LIGHTS " + itos(config->max_lights_per_object) + "u\n";
global_defines += "\n#define MAX_ROUGHNESS_LOD " + itos(sky_globals.roughness_layers - 1) + ".0\n";
material_storage->shaders.scene_shader.initialize(global_defines);
scene_globals.shader_default_version = material_storage->shaders.scene_shader.version_create();
material_storage->shaders.scene_shader.version_bind_shader(scene_globals.shader_default_version, SceneShaderGLES3::MODE_COLOR);
@ -4129,7 +4106,6 @@ void fragment() {
{
// Initialize Sky stuff
sky_globals.roughness_layers = GLOBAL_GET("rendering/reflections/sky_reflections/roughness_layers");
sky_globals.ggx_samples = GLOBAL_GET("rendering/reflections/sky_reflections/ggx_samples");
String global_defines;
global_defines += "#define MAX_GLOBAL_SHADER_UNIFORMS 256\n"; // TODO: this is arbitrary for now
@ -4138,13 +4114,6 @@ void fragment() {
sky_globals.shader_default_version = material_storage->shaders.sky_shader.version_create();
}
{
String global_defines;
global_defines += "\n#define MAX_SAMPLE_COUNT " + itos(sky_globals.ggx_samples) + "\n";
material_storage->shaders.cubemap_filter_shader.initialize(global_defines);
scene_globals.cubemap_filter_shader_version = material_storage->shaders.cubemap_filter_shader.version_create();
}
{
sky_globals.default_shader = material_storage->shader_allocate();
@ -4234,7 +4203,6 @@ RasterizerSceneGLES3::~RasterizerSceneGLES3() {
// Scene Shader
GLES3::MaterialStorage::get_singleton()->shaders.scene_shader.version_free(scene_globals.shader_default_version);
GLES3::MaterialStorage::get_singleton()->shaders.cubemap_filter_shader.version_free(scene_globals.cubemap_filter_shader_version);
RSG::material_storage->material_free(scene_globals.default_material);
RSG::material_storage->shader_free(scene_globals.default_shader);
@ -4250,7 +4218,6 @@ RasterizerSceneGLES3::~RasterizerSceneGLES3() {
RSG::material_storage->shader_free(sky_globals.fog_shader);
GLES3::Utilities::get_singleton()->buffer_free_data(sky_globals.screen_triangle);
glDeleteVertexArrays(1, &sky_globals.screen_triangle_array);
glDeleteTextures(1, &sky_globals.radical_inverse_vdc_cache_tex);
GLES3::Utilities::get_singleton()->buffer_free_data(sky_globals.directional_light_buffer);
memdelete_arr(sky_globals.directional_lights);
memdelete_arr(sky_globals.last_frame_directional_lights);

12
drivers/gles3/rasterizer_scene_gles3.h
View File

@ -37,7 +37,7 @@
#include "core/templates/paged_allocator.h"
#include "core/templates/rid_owner.h"
#include "core/templates/self_list.h"
#include "drivers/gles3/shaders/cubemap_filter.glsl.gen.h"
#include "drivers/gles3/shaders/effects/cubemap_filter.glsl.gen.h"
#include "drivers/gles3/shaders/sky.glsl.gen.h"
#include "scene/resources/mesh.h"
#include "servers/rendering/renderer_compositor.h"
@ -157,7 +157,6 @@ private:
RID shader_default_version;
RID default_material;
RID default_shader;
RID cubemap_filter_shader_version;
RID overdraw_material;
RID overdraw_shader;
} scene_globals;
@ -314,6 +313,10 @@ private:
LocalVector<uint32_t> omni_light_gl_cache;
LocalVector<uint32_t> spot_light_gl_cache;
LocalVector<RID> paired_reflection_probes;
LocalVector<RID> reflection_probe_rid_cache;
LocalVector<Transform3D> reflection_probes_local_transform_cache;
RID lightmap_instance;
Rect2 lightmap_uv_scale;
uint32_t lightmap_slice_index;
@ -331,7 +334,7 @@ private:
virtual void set_lightmap_capture(const Color *p_sh9) override;
virtual void pair_light_instances(const RID *p_light_instances, uint32_t p_light_instance_count) override;
virtual void pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override {}
virtual void pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override;
virtual void pair_decal_instances(const RID *p_decal_instances, uint32_t p_decal_instance_count) override {}
virtual void pair_voxel_gi_instances(const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) override {}
@ -686,10 +689,8 @@ protected:
RID fog_shader;
GLuint screen_triangle = 0;
GLuint screen_triangle_array = 0;
GLuint radical_inverse_vdc_cache_tex = 0;
uint32_t max_directional_lights = 4;
uint32_t roughness_layers = 8;
uint32_t ggx_samples = 128;
} sky_globals;
struct Sky {
@ -733,7 +734,6 @@ protected:
void _invalidate_sky(Sky *p_sky);
void _update_dirty_skys();
void _update_sky_radiance(RID p_env, const Projection &p_projection, const Transform3D &p_transform, float p_sky_energy_multiplier);
void _filter_sky_radiance(Sky *p_sky, int p_base_layer);
void _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);
void _free_sky_data(Sky *p_sky);

1
drivers/gles3/shaders/SCsub
View File

@ -18,7 +18,6 @@ if "GLES3_GLSL" in env["BUILDERS"]:
env.GLES3_GLSL("canvas.glsl")
env.GLES3_GLSL("scene.glsl")
env.GLES3_GLSL("sky.glsl")
env.GLES3_GLSL("cubemap_filter.glsl")
env.GLES3_GLSL("canvas_occlusion.glsl")
env.GLES3_GLSL("canvas_sdf.glsl")
env.GLES3_GLSL("particles.glsl")

0
drivers/gles3/shaders/cubemap_filter.glsl → drivers/gles3/shaders/effects/cubemap_filter.glsl
View File

158
drivers/gles3/shaders/scene.glsl
View File

@ -12,6 +12,7 @@ DISABLE_LIGHTMAP = false
DISABLE_LIGHT_DIRECTIONAL = false
DISABLE_LIGHT_OMNI = false
DISABLE_LIGHT_SPOT = false
DISABLE_REFLECTION_PROBE = true
DISABLE_FOG = false
USE_DEPTH_FOG = false
USE_RADIANCE_MAP = true
@ -34,6 +35,7 @@ APPLY_TONEMAPPING = true
ADDITIVE_OMNI = false
ADDITIVE_SPOT = false
RENDER_MATERIAL = false
SECOND_REFLECTION_PROBE = false
#[vertex]
@ -568,8 +570,11 @@ void main() {
1-color correction // In tonemap_inc.glsl
2-radiance
3-shadow
4-lightmap textures
5-screen
6-depth
7-reflection probe 1
8-reflection probe 2
*/
@ -626,7 +631,39 @@ in highp vec4 shadow_coord4;
uniform samplerCube radiance_map; // texunit:-2
#endif
#endif // USE_RADIANCE_MAP
#ifndef DISABLE_REFLECTION_PROBE
#define REFLECTION_PROBE_MAX_LOD 8.0
uniform bool refprobe1_use_box_project;
uniform highp vec3 refprobe1_box_extents;
uniform vec3 refprobe1_box_offset;
uniform highp mat4 refprobe1_local_matrix;
uniform bool refprobe1_exterior;
uniform float refprobe1_intensity;
uniform int refprobe1_ambient_mode;
uniform vec4 refprobe1_ambient_color;
uniform samplerCube refprobe1_texture; // texunit:-7
#ifdef SECOND_REFLECTION_PROBE
uniform bool refprobe2_use_box_project;
uniform highp vec3 refprobe2_box_extents;
uniform vec3 refprobe2_box_offset;
uniform highp mat4 refprobe2_local_matrix;
uniform bool refprobe2_exterior;
uniform float refprobe2_intensity;
uniform int refprobe2_ambient_mode;
uniform vec4 refprobe2_ambient_color;
uniform samplerCube refprobe2_texture; // texunit:-8
#endif // SECOND_REFLECTION_PROBE
#endif // DISABLE_REFLECTION_PROBE
layout(std140) uniform GlobalShaderUniformData { //ubo:1
vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS];
@ -1289,6 +1326,90 @@ vec4 fog_process(vec3 vertex) {
return vec4(fog_color, fog_amount);
}
#ifndef DISABLE_REFLECTION_PROBE
#define REFLECTION_AMBIENT_DISABLED 0
#define REFLECTION_AMBIENT_ENVIRONMENT 1
#define REFLECTION_AMBIENT_COLOR 2
void reflection_process(samplerCube reflection_map,
vec3 normal, vec3 vertex,
mat4 local_matrix,
bool use_box_project, vec3 box_extents, vec3 box_offset,
bool exterior, float intensity, int ref_ambient_mode, vec4 ref_ambient_color,
float roughness, vec3 ambient, vec3 skybox,
inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
vec4 reflection;
vec3 local_pos = (local_matrix * vec4(vertex, 1.0)).xyz;
if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box
return;
}
vec3 inner_pos = abs(local_pos / box_extents);
float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z));
blend = mix(length(inner_pos), blend, blend);
blend *= blend;
blend = max(0.0, 1.0 - blend);
//reflect and make local
vec3 ref_normal = normalize(reflect(vertex, normal));
ref_normal = (local_matrix * vec4(ref_normal, 0.0)).xyz;
if (use_box_project) { //box project
vec3 nrdir = normalize(ref_normal);
vec3 rbmax = (box_extents - local_pos) / nrdir;
vec3 rbmin = (-box_extents - local_pos) / nrdir;
vec3 rbminmax = mix(rbmin, rbmax, vec3(greaterThan(nrdir, vec3(0.0, 0.0, 0.0))));
float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z);
vec3 posonbox = local_pos + nrdir * fa;
ref_normal = posonbox - box_offset.xyz;
}
reflection.rgb = srgb_to_linear(textureLod(reflection_map, ref_normal, roughness * MAX_ROUGHNESS_LOD).rgb);
if (exterior) {
reflection.rgb = mix(skybox, reflection.rgb, blend);
}
reflection.rgb *= intensity;
reflection.a = blend;
reflection.rgb *= blend;
reflection_accum += reflection;
#ifndef USE_LIGHTMAP
if (ref_ambient_mode == REFLECTION_AMBIENT_ENVIRONMENT) {
vec4 ambient_out;
vec3 amb_normal = (local_matrix * vec4(normal, 0.0)).xyz;
ambient_out.rgb = srgb_to_linear(textureLod(reflection_map, amb_normal, MAX_ROUGHNESS_LOD).rgb);
if (exterior) {
ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
}
ambient_out.a = blend;
ambient_out.rgb *= blend;
ambient_accum += ambient_out;
} else if (ref_ambient_mode == REFLECTION_AMBIENT_COLOR) {
vec4 ambient_out;
ambient_out.rgb = ref_ambient_color.rgb;
if (exterior) {
ambient_out.rgb = mix(ambient, ambient_out.rgb, blend);
}
ambient_out.a = blend;
ambient_out.rgb *= blend;
ambient_accum += ambient_out;
}
#endif // USE_LIGHTMAP
}
#endif // DISABLE_REFLECTION_PROBE
#endif // !MODE_RENDER_DEPTH
void main() {
@ -1489,9 +1610,33 @@ void main() {
specular_light *= horizon * horizon;
specular_light *= scene_data.ambient_light_color_energy.a;
}
#endif
#endif // USE_RADIANCE_MAP
// Calculate Reflection probes
#ifndef DISABLE_REFLECTION_PROBE
vec4 ambient_accum = vec4(0.0);
{
vec4 reflection_accum = vec4(0.0);
reflection_process(refprobe1_texture, normal, vertex_interp, refprobe1_local_matrix,
refprobe1_use_box_project, refprobe1_box_extents, refprobe1_box_offset,
refprobe1_exterior, refprobe1_intensity, refprobe1_ambient_mode, refprobe1_ambient_color,
roughness, ambient_light, specular_light, reflection_accum, ambient_accum);
#ifdef SECOND_REFLECTION_PROBE
reflection_process(refprobe2_texture, normal, vertex_interp, refprobe2_local_matrix,
refprobe2_use_box_project, refprobe2_box_extents, refprobe2_box_offset,
refprobe2_exterior, refprobe2_intensity, refprobe2_ambient_mode, refprobe2_ambient_color,
roughness, ambient_light, specular_light, reflection_accum, ambient_accum);
#endif // SECOND_REFLECTION_PROBE
if (reflection_accum.a > 0.0) {
specular_light = reflection_accum.rgb / reflection_accum.a;
}
}
#endif // DISABLE_REFLECTION_PROBE
#if defined(CUSTOM_RADIANCE_USED)
specular_light = mix(specular_light, custom_radiance.rgb, custom_radiance.a);
@ -1501,6 +1646,7 @@ void main() {
//lightmap overrides everything
if (scene_data.use_ambient_light) {
ambient_light = scene_data.ambient_light_color_energy.rgb;
#ifdef USE_RADIANCE_MAP
if (scene_data.use_ambient_cubemap) {
vec3 ambient_dir = scene_data.radiance_inverse_xform * normal;
@ -1508,7 +1654,13 @@ void main() {
cubemap_ambient = srgb_to_linear(cubemap_ambient);
ambient_light = mix(ambient_light, cubemap_ambient * scene_data.ambient_light_color_energy.a, scene_data.ambient_color_sky_mix);
}
#endif
#endif // USE_RADIANCE_MAP
#ifndef DISABLE_REFLECTION_PROBE
if (ambient_accum.a > 0.0) {
ambient_light = mix(ambient_light, (ambient_accum.rgb / ambient_accum.a) * scene_data.ambient_light_color_energy.a, scene_data.ambient_color_sky_mix);
}
#endif // DISABLE_REFLECTION_PROBE
}
#endif // USE_LIGHTMAP

493
drivers/gles3/storage/light_storage.cpp
View File

@ -423,149 +423,604 @@ void LightStorage::light_instance_mark_visible(RID p_light_instance) {
/* PROBE API */
RID LightStorage::reflection_probe_allocate() {
return RID();
return reflection_probe_owner.allocate_rid();
}
void LightStorage::reflection_probe_initialize(RID p_rid) {
ReflectionProbe probe;
reflection_probe_owner.initialize_rid(p_rid, probe);
}
void LightStorage::reflection_probe_free(RID p_rid) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_rid);
reflection_probe->dependency.deleted_notify(p_rid);
reflection_probe_owner.free(p_rid);
}
void LightStorage::reflection_probe_set_update_mode(RID p_probe, RS::ReflectionProbeUpdateMode p_mode) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->update_mode = p_mode;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_intensity(RID p_probe, float p_intensity) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->intensity = p_intensity;
}
void LightStorage::reflection_probe_set_ambient_mode(RID p_probe, RS::ReflectionProbeAmbientMode p_mode) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->ambient_mode = p_mode;
}
void LightStorage::reflection_probe_set_ambient_color(RID p_probe, const Color &p_color) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->ambient_color = p_color;
}
void LightStorage::reflection_probe_set_ambient_energy(RID p_probe, float p_energy) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->ambient_color_energy = p_energy;
}
void LightStorage::reflection_probe_set_max_distance(RID p_probe, float p_distance) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->max_distance = p_distance;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_size(RID p_probe, const Vector3 &p_size) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->size = p_size;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_origin_offset(RID p_probe, const Vector3 &p_offset) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->origin_offset = p_offset;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_as_interior(RID p_probe, bool p_enable) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->interior = p_enable;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_enable_box_projection(RID p_probe, bool p_enable) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->box_projection = p_enable;
}
void LightStorage::reflection_probe_set_enable_shadows(RID p_probe, bool p_enable) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->enable_shadows = p_enable;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_cull_mask(RID p_probe, uint32_t p_layers) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->cull_mask = p_layers;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_reflection_mask(RID p_probe, uint32_t p_layers) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->reflection_mask = p_layers;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
void LightStorage::reflection_probe_set_resolution(RID p_probe, int p_resolution) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->resolution = p_resolution;
}
AABB LightStorage::reflection_probe_get_aabb(RID p_probe) const {
return AABB();
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, AABB());
AABB aabb;
aabb.position = -reflection_probe->size / 2;
aabb.size = reflection_probe->size;
return aabb;
}
RS::ReflectionProbeUpdateMode LightStorage::reflection_probe_get_update_mode(RID p_probe) const {
return RenderingServer::REFLECTION_PROBE_UPDATE_ONCE;
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, RenderingServer::REFLECTION_PROBE_UPDATE_ONCE);
return reflection_probe->update_mode;
}
uint32_t LightStorage::reflection_probe_get_cull_mask(RID p_probe) const {
return 0;
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, 0);
return reflection_probe->cull_mask;
}
uint32_t LightStorage::reflection_probe_get_reflection_mask(RID p_probe) const {
return 0;
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, 0);
return reflection_probe->reflection_mask;
}
Vector3 LightStorage::reflection_probe_get_size(RID p_probe) const {
return Vector3();
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, Vector3());
return reflection_probe->size;
}
Vector3 LightStorage::reflection_probe_get_origin_offset(RID p_probe) const {
return Vector3();
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, Vector3());
return reflection_probe->origin_offset;
}
float LightStorage::reflection_probe_get_origin_max_distance(RID p_probe) const {
return 0.0;
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, 0.0);
return reflection_probe->max_distance;
}
bool LightStorage::reflection_probe_renders_shadows(RID p_probe) const {
return false;
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, false);
return reflection_probe->enable_shadows;
}
void LightStorage::reflection_probe_set_mesh_lod_threshold(RID p_probe, float p_ratio) {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL(reflection_probe);
reflection_probe->mesh_lod_threshold = p_ratio;
reflection_probe->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_REFLECTION_PROBE);
}
float LightStorage::reflection_probe_get_mesh_lod_threshold(RID p_probe) const {
return 0.0;
const ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, 0.0);
return reflection_probe->mesh_lod_threshold;
}
Dependency *LightStorage::reflection_probe_get_dependency(RID p_probe) const {
ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_probe);
ERR_FAIL_NULL_V(reflection_probe, nullptr);
return &reflection_probe->dependency;
}
/* REFLECTION ATLAS */
RID LightStorage::reflection_atlas_create() {
return RID();
ReflectionAtlas ra;
ra.count = GLOBAL_GET("rendering/reflections/reflection_atlas/reflection_count");
ra.size = GLOBAL_GET("rendering/reflections/reflection_atlas/reflection_size");
return reflection_atlas_owner.make_rid(ra);
}
void LightStorage::reflection_atlas_free(RID p_ref_atlas) {
reflection_atlas_set_size(p_ref_atlas, 0, 0);
reflection_atlas_owner.free(p_ref_atlas);
}
int LightStorage::reflection_atlas_get_size(RID p_ref_atlas) const {
return 0;
ReflectionAtlas *ra = reflection_atlas_owner.get_or_null(p_ref_atlas);
ERR_FAIL_NULL_V(ra, 0);
return ra->size;
}
void LightStorage::reflection_atlas_set_size(RID p_ref_atlas, int p_reflection_size, int p_reflection_count) {
ReflectionAtlas *ra = reflection_atlas_owner.get_or_null(p_ref_atlas);
ERR_FAIL_NULL(ra);
if (ra->size == p_reflection_size && ra->count == p_reflection_count) {
return; //no changes
}
ra->size = p_reflection_size;
ra->count = p_reflection_count;
if (ra->depth != 0) {
//clear and invalidate everything
for (int i = 0; i < ra->reflections.size(); i++) {
for (int j = 0; j < 7; j++) {
if (ra->reflections[i].fbos[j] != 0) {
glDeleteFramebuffers(1, &ra->reflections[i].fbos[j]);
ra->reflections.write[i].fbos[j] = 0;
}
}
GLES3::Utilities::get_singleton()->texture_free_data(ra->reflections[i].color);
ra->reflections.write[i].color = 0;
GLES3::Utilities::get_singleton()->texture_free_data(ra->reflections[i].radiance);
ra->reflections.write[i].radiance = 0;
if (ra->reflections[i].owner.is_null()) {
continue;
}
reflection_probe_release_atlas_index(ra->reflections[i].owner);
//rp->atlasindex clear
}
ra->reflections.clear();
GLES3::Utilities::get_singleton()->texture_free_data(ra->depth);
ra->depth = 0;
}
if (ra->render_buffers.is_valid()) {
ra->render_buffers->free_render_buffer_data();
}
}
/* REFLECTION PROBE INSTANCE */
RID LightStorage::reflection_probe_instance_create(RID p_probe) {
return RID();
ReflectionProbeInstance rpi;
rpi.probe = p_probe;
return reflection_probe_instance_owner.make_rid(rpi);
}
void LightStorage::reflection_probe_instance_free(RID p_instance) {
reflection_probe_release_atlas_index(p_instance);
reflection_probe_instance_owner.free(p_instance);
}
void LightStorage::reflection_probe_instance_set_transform(RID p_instance, const Transform3D &p_transform) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL(rpi);
rpi->transform = p_transform;
rpi->dirty = true;
}
bool LightStorage::reflection_probe_has_atlas_index(RID p_instance) {
return false;
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, false);
if (rpi->atlas.is_null()) {
return false;
}
return rpi->atlas_index >= 0;
}
void LightStorage::reflection_probe_release_atlas_index(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL(rpi);
if (rpi->atlas.is_null()) {
return; //nothing to release
}
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_NULL(atlas);
ERR_FAIL_INDEX(rpi->atlas_index, atlas->reflections.size());
atlas->reflections.write[rpi->atlas_index].owner = RID();
if (rpi->rendering) {
// We were cancelled mid rendering, trigger refresh.
rpi->rendering = false;
rpi->dirty = true;
rpi->processing_layer = 0;
}
rpi->atlas_index = -1;
rpi->atlas = RID();
}
bool LightStorage::reflection_probe_instance_needs_redraw(RID p_instance) {
return false;
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, false);
if (rpi->rendering) {
return false;
}
if (rpi->dirty) {
return true;
}
if (reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS) {
return true;
}
return rpi->atlas_index == -1;
}
bool LightStorage::reflection_probe_instance_has_reflection(RID p_instance) {
return false;
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, false);
return rpi->atlas.is_valid();
}
bool LightStorage::reflection_probe_instance_begin_render(RID p_instance, RID p_reflection_atlas) {
return false;
TextureStorage *texture_storage = TextureStorage::get_singleton();
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(p_reflection_atlas);
ERR_FAIL_NULL_V(atlas, false);
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, false);
if (atlas->render_buffers.is_null()) {
atlas->render_buffers.instantiate();
atlas->render_buffers->configure_for_probe(Size2i(atlas->size, atlas->size));
}
// First we check if our atlas is initialized.
// Not making an exception for update_mode = REFLECTION_PROBE_UPDATE_ALWAYS, we are using
// the same render techniques regardless of realtime or update once (for now).
if (atlas->depth == 0) {
// We need to create our textures
atlas->mipmap_count = Image::get_image_required_mipmaps(atlas->size, atlas->size, Image::FORMAT_RGBAH) - 1;
atlas->mipmap_count = MIN(atlas->mipmap_count, 8); // No more than 8 please..
glActiveTexture(GL_TEXTURE0);
{
// We create one set of 6 layers for depth, we can reuse this when rendering.
glGenTextures(1, &atlas->depth);
glBindTexture(GL_TEXTURE_2D_ARRAY, atlas->depth);
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_DEPTH_COMPONENT24, atlas->size, atlas->size, 6, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
GLES3::Utilities::get_singleton()->texture_allocated_data(atlas->depth, atlas->size * atlas->size * 6 * 3, "Reflection probe atlas (depth)");
}
// Make room for our atlas entries
atlas->reflections.resize(atlas->count);
for (int i = 0; i < atlas->count; i++) {
// Create a cube map for this atlas entry
GLuint color = 0;
glGenTextures(1, &color);
glBindTexture(GL_TEXTURE_CUBE_MAP, color);
atlas->reflections.write[i].color = color;
#ifdef GL_API_ENABLED
if (RasterizerGLES3::is_gles_over_gl()) {
for (int s = 0; s < 6; s++) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + s, 0, GL_RGB10_A2, atlas->size, atlas->size, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, nullptr);
}
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
}
#endif
#ifdef GLES_API_ENABLED
if (!RasterizerGLES3::is_gles_over_gl()) {
glTexStorage2D(GL_TEXTURE_CUBE_MAP, atlas->mipmap_count, GL_RGB10_A2, atlas->size, atlas->size);
}
#endif // GLES_API_ENABLED
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_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, atlas->mipmap_count - 1);
// Setup sizes and calculate how much memory we're using.
int mipmap_size = atlas->size;
uint32_t data_size = 0;
for (int m = 0; m < atlas->mipmap_count; m++) {
atlas->mipmap_size[m] = mipmap_size;
data_size += mipmap_size * mipmap_size * 6 * 4;
mipmap_size = MAX(mipmap_size >> 1, 1);
}
GLES3::Utilities::get_singleton()->texture_allocated_data(color, data_size, String("Reflection probe atlas (") + String::num_int64(i) + String(", color)"));
// Create a radiance map for this atlas entry
GLuint radiance = 0;
glGenTextures(1, &radiance);
glBindTexture(GL_TEXTURE_CUBE_MAP, radiance);
atlas->reflections.write[i].radiance = radiance;
#ifdef GL_API_ENABLED
if (RasterizerGLES3::is_gles_over_gl()) {
for (int s = 0; s < 6; s++) {
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + s, 0, GL_RGB10_A2, atlas->size, atlas->size, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, nullptr);
}
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
}
#endif
#ifdef GLES_API_ENABLED
if (!RasterizerGLES3::is_gles_over_gl()) {
glTexStorage2D(GL_TEXTURE_CUBE_MAP, atlas->mipmap_count, GL_RGB10_A2, atlas->size, atlas->size);
}
#endif // GLES_API_ENABLED
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_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, atlas->mipmap_count - 1);
// Same data size as our color buffer
GLES3::Utilities::get_singleton()->texture_allocated_data(radiance, data_size, String("Reflection probe atlas (") + String::num_int64(i) + String(", radiance)"));
// Create our framebuffers so we can draw to all sides
for (int side = 0; side < 6; side++) {
GLuint fbo = 0;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
// We use glFramebufferTexture2D for the color buffer as glFramebufferTextureLayer doesn't always work with cubemaps.
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + side, color, 0);
glFramebufferTextureLayer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, atlas->depth, 0, side);
// Validate framebuffer
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
WARN_PRINT("Could not create reflections framebuffer, status: " + texture_storage->get_framebuffer_error(status));
}
atlas->reflections.write[i].fbos[side] = fbo;
}
// Create an extra framebuffer for building our radiance
{
GLuint fbo = 0;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
atlas->reflections.write[i].fbos[6] = fbo;
}
}
glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo);
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
glBindTexture(GL_TEXTURE_2D_ARRAY, 0);
}
// Then we find a free slot for our reflection probe
if (rpi->atlas_index == -1) {
for (int i = 0; i < atlas->reflections.size(); i++) {
if (atlas->reflections[i].owner.is_null()) {
rpi->atlas_index = i;
break;
}
}
//find the one used last
if (rpi->atlas_index == -1) {
//everything is in use, find the one least used via LRU
uint64_t pass_min = 0;
for (int i = 0; i < atlas->reflections.size(); i++) {
ReflectionProbeInstance *rpi2 = reflection_probe_instance_owner.get_or_null(atlas->reflections[i].owner);
if (rpi2->last_pass < pass_min) {
pass_min = rpi2->last_pass;
rpi->atlas_index = i;
}
}
}
}
if (rpi->atlas_index != -1) { // should we fail if this is still -1 ?
atlas->reflections.write[rpi->atlas_index].owner = p_instance;
}
rpi->atlas = p_reflection_atlas;
rpi->rendering = true;
rpi->dirty = false;
rpi->processing_layer = 0;
return true;
}
Ref<RenderSceneBuffers> LightStorage::reflection_probe_atlas_get_render_buffers(RID p_reflection_atlas) {
return Ref<RenderSceneBuffers>();
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(p_reflection_atlas);
ERR_FAIL_NULL_V(atlas, Ref<RenderSceneBuffersGLES3>());
return atlas->render_buffers;
}
bool LightStorage::reflection_probe_instance_postprocess_step(RID p_instance) {
return true;
GLES3::CubemapFilter *cubemap_filter = GLES3::CubemapFilter::get_singleton();
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, false);
ERR_FAIL_COND_V(!rpi->rendering, false);
ERR_FAIL_COND_V(rpi->atlas.is_null(), false);
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
if (!atlas || rpi->atlas_index == -1) {
//does not belong to an atlas anymore, cancel (was removed from atlas or atlas changed while rendering)
rpi->rendering = false;
rpi->processing_layer = 0;
return false;
}
if (LightStorage::get_singleton()->reflection_probe_get_update_mode(rpi->probe) == RS::REFLECTION_PROBE_UPDATE_ALWAYS) {
// Using real time reflections, all roughness is done in one step
for (int m = 0; m < atlas->mipmap_count; m++) {
const GLES3::ReflectionAtlas::Reflection &reflection = atlas->reflections[rpi->atlas_index];
cubemap_filter->filter_radiance(reflection.color, reflection.radiance, reflection.fbos[6], atlas->size, atlas->mipmap_count, m);
}
rpi->rendering = false;
rpi->processing_layer = 0;
return true;
} else {
const GLES3::ReflectionAtlas::Reflection &reflection = atlas->reflections[rpi->atlas_index];
cubemap_filter->filter_radiance(reflection.color, reflection.radiance, reflection.fbos[6], atlas->size, atlas->mipmap_count, rpi->processing_layer);
rpi->processing_layer++;
if (rpi->processing_layer == atlas->mipmap_count) {
rpi->rendering = false;
rpi->processing_layer = 0;
return true;
}
}
return false;
}
GLuint LightStorage::reflection_probe_instance_get_texture(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, 0);
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_NULL_V(atlas, 0);
return atlas->reflections[rpi->atlas_index].radiance;
}
GLuint LightStorage::reflection_probe_instance_get_framebuffer(RID p_instance, int p_index) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, 0);
ERR_FAIL_INDEX_V(p_index, 6, 0);
ReflectionAtlas *atlas = reflection_atlas_owner.get_or_null(rpi->atlas);
ERR_FAIL_NULL_V(atlas, 0);
return atlas->reflections[rpi->atlas_index].fbos[p_index];
}
/* LIGHTMAP CAPTURE */

77
drivers/gles3/storage/light_storage.h
View File

@ -34,6 +34,7 @@
#ifdef GLES3_ENABLED
#include "platform_gl.h"
#include "render_scene_buffers_gles3.h"
#include "core/templates/local_vector.h"
#include "core/templates/rid_owner.h"
@ -126,12 +127,51 @@ struct ReflectionProbe {
bool box_projection = false;
bool enable_shadows = false;
uint32_t cull_mask = (1 << 20) - 1;
uint32_t reflection_mask = (1 << 20) - 1;
float mesh_lod_threshold = 0.01;
float baked_exposure = 1.0;
Dependency dependency;
};
/* REFLECTION ATLAS */
struct ReflectionAtlas {
int count = 0;
int size = 0;
int mipmap_count = 1; // number of mips, including original
int mipmap_size[8];
GLuint depth = 0;
struct Reflection {
RID owner;
GLuint color = 0;
GLuint radiance = 0;
GLuint fbos[7];
};
Vector<Reflection> reflections;
Ref<RenderSceneBuffersGLES3> render_buffers; // Further render buffers used.
};
/* REFLECTION PROBE INSTANCE */
struct ReflectionProbeInstance {
RID probe;
int atlas_index = -1;
RID atlas;
bool dirty = true;
bool rendering = false;
int processing_layer = 0;
uint64_t last_pass = 0;
uint32_t cull_mask = 0;
Transform3D transform;
};
/* LIGHTMAP */
struct Lightmap {
@ -181,6 +221,13 @@ private:
/* REFLECTION PROBE */
mutable RID_Owner<ReflectionProbe, true> reflection_probe_owner;
/* REFLECTION ATLAS */
mutable RID_Owner<ReflectionAtlas> reflection_atlas_owner;
/* REFLECTION PROBE INSTANCE */
mutable RID_Owner<ReflectionProbeInstance> reflection_probe_instance_owner;
/* LIGHTMAP */
Vector<RID> lightmap_textures;
@ -559,6 +606,9 @@ public:
/* PROBE API */
ReflectionProbe *get_reflection_probe(RID p_rid) { return reflection_probe_owner.get_or_null(p_rid); };
bool owns_reflection_probe(RID p_rid) { return reflection_probe_owner.owns(p_rid); };
virtual RID reflection_probe_allocate() override;
virtual void reflection_probe_initialize(RID p_rid) override;
virtual void reflection_probe_free(RID p_rid) override;
@ -589,8 +639,12 @@ public:
virtual float reflection_probe_get_origin_max_distance(RID p_probe) const override;
virtual bool reflection_probe_renders_shadows(RID p_probe) const override;
Dependency *reflection_probe_get_dependency(RID p_probe) const;
/* REFLECTION ATLAS */
bool owns_reflection_atlas(RID p_rid) { return reflection_atlas_owner.owns(p_rid); }
virtual RID reflection_atlas_create() override;
virtual void reflection_atlas_free(RID p_ref_atlas) override;
virtual int reflection_atlas_get_size(RID p_ref_atlas) const override;
@ -598,6 +652,8 @@ public:
/* REFLECTION PROBE INSTANCE */
bool owns_reflection_probe_instance(RID p_rid) { return reflection_probe_instance_owner.owns(p_rid); }
virtual RID reflection_probe_instance_create(RID p_probe) override;
virtual void reflection_probe_instance_free(RID p_instance) override;
virtual void reflection_probe_instance_set_transform(RID p_instance, const Transform3D &p_transform) override;
@ -609,6 +665,27 @@ public:
virtual Ref<RenderSceneBuffers> reflection_probe_atlas_get_render_buffers(RID p_reflection_atlas) override;
virtual bool reflection_probe_instance_postprocess_step(RID p_instance) override;
_FORCE_INLINE_ RID reflection_probe_instance_get_probe(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, RID());
return rpi->probe;
}
_FORCE_INLINE_ RID reflection_probe_instance_get_atlas(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, RID());
return rpi->atlas;
}
Transform3D reflection_probe_instance_get_transform(RID p_instance) {
ReflectionProbeInstance *rpi = reflection_probe_instance_owner.get_or_null(p_instance);
ERR_FAIL_NULL_V(rpi, Transform3D());
return rpi->transform;
}
GLuint reflection_probe_instance_get_texture(RID p_instance);
GLuint reflection_probe_instance_get_framebuffer(RID p_instance, int p_index);
/* LIGHTMAP CAPTURE */
Lightmap *get_lightmap(RID p_rid) { return lightmap_owner.get_or_null(p_rid); };

2
drivers/gles3/storage/material_storage.h
View File

@ -43,7 +43,6 @@
#include "servers/rendering/storage/utilities.h"
#include "drivers/gles3/shaders/canvas.glsl.gen.h"
#include "drivers/gles3/shaders/cubemap_filter.glsl.gen.h"
#include "drivers/gles3/shaders/particles.glsl.gen.h"
#include "drivers/gles3/shaders/scene.glsl.gen.h"
#include "drivers/gles3/shaders/sky.glsl.gen.h"
@ -543,7 +542,6 @@ public:
CanvasShaderGLES3 canvas_shader;
SkyShaderGLES3 sky_shader;
SceneShaderGLES3 scene_shader;
CubemapFilterShaderGLES3 cubemap_filter_shader;
ParticlesShaderGLES3 particles_process_shader;
ShaderCompiler compiler_canvas;

7
drivers/gles3/storage/render_scene_buffers_gles3.cpp
View File

@ -405,6 +405,13 @@ void RenderSceneBuffersGLES3::_check_render_buffers() {
}
}
void RenderSceneBuffersGLES3::configure_for_probe(Size2i p_size) {
internal_size = p_size;
target_size = p_size;
scaling_3d_mode = RS::VIEWPORT_SCALING_3D_MODE_OFF;
view_count = 1;
}
void RenderSceneBuffersGLES3::_clear_msaa3d_buffers() {
for (const FBDEF &cached_fbo : msaa3d.cached_fbos) {
GLuint fbo = cached_fbo.fbo;

1
drivers/gles3/storage/render_scene_buffers_gles3.h
View File

@ -101,6 +101,7 @@ public:
RenderSceneBuffersGLES3();
virtual ~RenderSceneBuffersGLES3();
virtual void configure(const RenderSceneBuffersConfiguration *p_config) override;
void configure_for_probe(Size2i p_size);
virtual void set_fsr_sharpness(float p_fsr_sharpness) override{};
virtual void set_texture_mipmap_bias(float p_texture_mipmap_bias) override{};

14
drivers/gles3/storage/utilities.cpp
View File

@ -158,6 +158,8 @@ RS::InstanceType Utilities::get_base_type(RID p_rid) const {
return RS::INSTANCE_LIGHTMAP;
} else if (GLES3::ParticlesStorage::get_singleton()->owns_particles(p_rid)) {
return RS::INSTANCE_PARTICLES;
} else if (GLES3::LightStorage::get_singleton()->owns_reflection_probe(p_rid)) {
return RS::INSTANCE_REFLECTION_PROBE;
} else if (GLES3::ParticlesStorage::get_singleton()->owns_particles_collision(p_rid)) {
return RS::INSTANCE_PARTICLES_COLLISION;
} else if (owns_visibility_notifier(p_rid)) {
@ -197,6 +199,15 @@ bool Utilities::free(RID p_rid) {
} else if (GLES3::LightStorage::get_singleton()->owns_lightmap(p_rid)) {
GLES3::LightStorage::get_singleton()->lightmap_free(p_rid);
return true;
} else if (GLES3::LightStorage::get_singleton()->owns_reflection_probe(p_rid)) {
GLES3::LightStorage::get_singleton()->reflection_probe_free(p_rid);
return true;
} else if (GLES3::LightStorage::get_singleton()->owns_reflection_atlas(p_rid)) {
GLES3::LightStorage::get_singleton()->reflection_atlas_free(p_rid);
return true;
} else if (GLES3::LightStorage::get_singleton()->owns_reflection_probe_instance(p_rid)) {
GLES3::LightStorage::get_singleton()->reflection_probe_instance_free(p_rid);
return true;
} else if (GLES3::ParticlesStorage::get_singleton()->owns_particles(p_rid)) {
GLES3::ParticlesStorage::get_singleton()->particles_free(p_rid);
return true;
@ -229,6 +240,9 @@ void Utilities::base_update_dependency(RID p_base, DependencyTracker *p_instance
if (multimesh->mesh.is_valid()) {
base_update_dependency(multimesh->mesh, p_instance);
}
} else if (LightStorage::get_singleton()->owns_reflection_probe(p_base)) {
Dependency *dependency = LightStorage::get_singleton()->reflection_probe_get_dependency(p_base);
p_instance->update_dependency(dependency);
} else if (LightStorage::get_singleton()->owns_light(p_base)) {
Light *l = LightStorage::get_singleton()->get_light(p_base);
p_instance->update_dependency(&l->dependency);

11
scene/3d/reflection_probe.cpp
View File

@ -190,17 +190,6 @@ AABB ReflectionProbe::get_aabb() const {
return aabb;
}
PackedStringArray ReflectionProbe::get_configuration_warnings() const {
PackedStringArray warnings = Node::get_configuration_warnings();
if (OS::get_singleton()->get_current_rendering_method() == "gl_compatibility") {
warnings.push_back(RTR("ReflectionProbes are not supported when using the GL Compatibility backend yet. Support will be added in a future release."));
return warnings;
}
return warnings;
}
void ReflectionProbe::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "ambient_color" || p_property.name == "ambient_color_energy") {
if (ambient_mode != AMBIENT_COLOR) {

2
scene/3d/reflection_probe.h
View File

@ -122,8 +122,6 @@ public:
virtual AABB get_aabb() const override;
virtual PackedStringArray get_configuration_warnings() const override;
ReflectionProbe();
~ReflectionProbe();
};