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godot/servers/rendering/renderer_rd/effects/tone_mapper.cpp
clayjohn 2e59cb41f4 Optimize glow and tonemap gather step in the mobile renderer 
Mobile devices are typically bandwidth bound which means we need to do as few texture samples as possible.

They typically use TBDR GPUs which means that all rendering takes place on special optimized tiles. As a side effect, reading back memory from tile to VRAM is really slow, especially on Mali devices.

This commit uses a technique where you do a small blur while downsampling, and then another small blur while upsampling to get really high quality glow. While this doesn't reduce the renderpass count very much, it does reduce the texture read bandwidth by almost 10 times. Overall glow was more texture-read bound than memory write, bound, so this was a huge win.

A side effect of this new technique is that we can gather the glow as we upsample instead of gathering the glow in the final tonemap pass. Doing so allows us to significantly reduce the cost of the tonemap pass as well.
2025-10-30 21:56:26 -07:00

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/**************************************************************************/
/* tone_mapper.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 "tone_mapper.h"
#include "servers/rendering/renderer_rd/renderer_compositor_rd.h"
#include "servers/rendering/renderer_rd/storage_rd/material_storage.h"
#include "servers/rendering/renderer_rd/uniform_set_cache_rd.h"
using namespace RendererRD;
ToneMapper::ToneMapper(bool p_use_mobile_version) {
using_mobile_version = p_use_mobile_version;
if (using_mobile_version) {
// Initialize tonemapper
Vector<String> tonemap_modes;
tonemap_modes.push_back("\n");
tonemap_modes.push_back("\n#define USE_1D_LUT\n");
tonemap_modes.push_back("\n#define SUBPASS\n");
tonemap_modes.push_back("\n#define SUBPASS\n#define USE_1D_LUT\n");
// multiview versions of our shaders
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n");
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n#define USE_1D_LUT\n");
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n#define SUBPASS\n");
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n#define SUBPASS\n#define USE_1D_LUT\n");
tonemap_mobile.shader.initialize(tonemap_modes);
if (!RendererCompositorRD::get_singleton()->is_xr_enabled()) {
tonemap_mobile.shader.set_variant_enabled(TONEMAP_MOBILE_MODE_NORMAL_MULTIVIEW, false);
tonemap_mobile.shader.set_variant_enabled(TONEMAP_MOBILE_MODE_1D_LUT_MULTIVIEW, false);
tonemap_mobile.shader.set_variant_enabled(TONEMAP_MOBILE_MODE_SUBPASS_MULTIVIEW, false);
tonemap_mobile.shader.set_variant_enabled(TONEMAP_MOBILE_MODE_SUBPASS_1D_LUT_MULTIVIEW, false);
}
tonemap_mobile.shader_version = tonemap_mobile.shader.version_create();
for (int i = 0; i < TONEMAP_MODE_MAX; i++) {
if (tonemap_mobile.shader.is_variant_enabled(i)) {
tonemap_mobile.pipelines[i].setup(tonemap_mobile.shader.version_get_shader(tonemap_mobile.shader_version, i), RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), RD::PipelineColorBlendState::create_disabled(), 0);
} else {
tonemap_mobile.pipelines[i].clear();
}
}
} else {
// Initialize tonemapper
Vector<String> tonemap_modes;
tonemap_modes.push_back("\n");
tonemap_modes.push_back("\n#define USE_GLOW_FILTER_BICUBIC\n");
tonemap_modes.push_back("\n#define USE_1D_LUT\n");
tonemap_modes.push_back("\n#define USE_GLOW_FILTER_BICUBIC\n#define USE_1D_LUT\n");
// multiview versions of our shaders
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n");
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n#define USE_GLOW_FILTER_BICUBIC\n");
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n#define USE_1D_LUT\n");
tonemap_modes.push_back("\n#define USE_MULTIVIEW\n#define USE_GLOW_FILTER_BICUBIC\n#define USE_1D_LUT\n");
tonemap.shader.initialize(tonemap_modes);
if (!RendererCompositorRD::get_singleton()->is_xr_enabled()) {
tonemap.shader.set_variant_enabled(TONEMAP_MODE_NORMAL_MULTIVIEW, false);
tonemap.shader.set_variant_enabled(TONEMAP_MODE_BICUBIC_GLOW_FILTER_MULTIVIEW, false);
tonemap.shader.set_variant_enabled(TONEMAP_MODE_1D_LUT_MULTIVIEW, false);
tonemap.shader.set_variant_enabled(TONEMAP_MODE_BICUBIC_GLOW_FILTER_1D_LUT_MULTIVIEW, false);
}
tonemap.shader_version = tonemap.shader.version_create();
for (int i = 0; i < TONEMAP_MODE_MAX; i++) {
if (tonemap.shader.is_variant_enabled(i)) {
tonemap.pipelines[i].setup(tonemap.shader.version_get_shader(tonemap.shader_version, i), RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), RD::PipelineColorBlendState::create_disabled(), 0);
} else {
tonemap.pipelines[i].clear();
}
}
}
}
ToneMapper::~ToneMapper() {
if (using_mobile_version) {
tonemap_mobile.shader.version_free(tonemap_mobile.shader_version);
} else {
tonemap.shader.version_free(tonemap.shader_version);
}
}
void ToneMapper::tonemapper(RID p_source_color, RID p_dst_framebuffer, const TonemapSettings &p_settings) {
ERR_FAIL_COND_MSG(using_mobile_version, "Can't use the non mobile version of the tonemapper with the Mobile renderer.");
UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton();
ERR_FAIL_NULL(uniform_set_cache);
MaterialStorage *material_storage = MaterialStorage::get_singleton();
ERR_FAIL_NULL(material_storage);
memset(&tonemap.push_constant, 0, sizeof(TonemapPushConstant));
tonemap.push_constant.flags |= p_settings.use_bcs ? TONEMAP_FLAG_USE_BCS : 0;
tonemap.push_constant.bcs[0] = p_settings.brightness;
tonemap.push_constant.bcs[1] = p_settings.contrast;
tonemap.push_constant.bcs[2] = p_settings.saturation;
tonemap.push_constant.flags |= p_settings.use_glow ? TONEMAP_FLAG_USE_GLOW : 0;
tonemap.push_constant.glow_intensity = p_settings.glow_intensity;
tonemap.push_constant.glow_map_strength = p_settings.glow_map_strength;
tonemap.push_constant.glow_levels[0] = p_settings.glow_levels[0]; // clean this up to just pass by pointer or something
tonemap.push_constant.glow_levels[1] = p_settings.glow_levels[1];
tonemap.push_constant.glow_levels[2] = p_settings.glow_levels[2];
tonemap.push_constant.glow_levels[3] = p_settings.glow_levels[3];
tonemap.push_constant.glow_levels[4] = p_settings.glow_levels[4];
tonemap.push_constant.glow_levels[5] = p_settings.glow_levels[5];
tonemap.push_constant.glow_levels[6] = p_settings.glow_levels[6];
tonemap.push_constant.glow_texture_size[0] = p_settings.glow_texture_size.x;
tonemap.push_constant.glow_texture_size[1] = p_settings.glow_texture_size.y;
tonemap.push_constant.glow_mode = p_settings.glow_mode;
int mode = p_settings.glow_use_bicubic_upscale ? TONEMAP_MODE_BICUBIC_GLOW_FILTER : TONEMAP_MODE_NORMAL;
if (p_settings.use_1d_color_correction) {
mode += 2;
}
tonemap.push_constant.tonemapper = p_settings.tonemap_mode;
tonemap.push_constant.flags |= p_settings.use_auto_exposure ? TONEMAP_FLAG_USE_AUTO_EXPOSURE : 0;
tonemap.push_constant.exposure = p_settings.exposure;
tonemap.push_constant.white = p_settings.white;
tonemap.push_constant.auto_exposure_scale = p_settings.auto_exposure_scale;
tonemap.push_constant.luminance_multiplier = p_settings.luminance_multiplier;
tonemap.push_constant.flags |= p_settings.use_color_correction ? TONEMAP_FLAG_USE_COLOR_CORRECTION : 0;
tonemap.push_constant.flags |= p_settings.use_fxaa ? TONEMAP_FLAG_USE_FXAA : 0;
if (p_settings.debanding_mode == TonemapSettings::DEBANDING_MODE_8_BIT) {
tonemap.push_constant.flags |= TONEMAP_FLAG_USE_8_BIT_DEBANDING;
}
tonemap.push_constant.pixel_size[0] = 1.0 / p_settings.texture_size.x;
tonemap.push_constant.pixel_size[1] = 1.0 / p_settings.texture_size.y;
tonemap.push_constant.flags |= p_settings.convert_to_srgb ? TONEMAP_FLAG_CONVERT_TO_SRGB : 0;
if (p_settings.view_count > 1) {
// Use USE_MULTIVIEW versions
mode += 4;
}
RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RID default_mipmap_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RD::Uniform u_source_color(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_source_color }));
RD::Uniform u_exposure_texture;
u_exposure_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_exposure_texture.binding = 0;
u_exposure_texture.append_id(default_sampler);
u_exposure_texture.append_id(p_settings.exposure_texture);
RD::Uniform u_glow_texture;
u_glow_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_glow_texture.binding = 0;
u_glow_texture.append_id(default_mipmap_sampler);
u_glow_texture.append_id(p_settings.glow_texture);
RD::Uniform u_glow_map;
u_glow_map.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_glow_map.binding = 1;
u_glow_map.append_id(default_mipmap_sampler);
u_glow_map.append_id(p_settings.glow_map);
RD::Uniform u_color_correction_texture;
u_color_correction_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_color_correction_texture.binding = 0;
u_color_correction_texture.append_id(default_sampler);
u_color_correction_texture.append_id(p_settings.color_correction_texture);
RID shader = tonemap.shader.version_get_shader(tonemap.shader_version, mode);
ERR_FAIL_COND(shader.is_null());
RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dst_framebuffer);
RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, tonemap.pipelines[mode].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dst_framebuffer), false, RD::get_singleton()->draw_list_get_current_pass()));
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 0, u_source_color), 0);
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 1, u_exposure_texture), 1);
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 2, u_glow_texture, u_glow_map), 2);
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 3, u_color_correction_texture), 3);
RD::get_singleton()->draw_list_set_push_constant(draw_list, &tonemap.push_constant, sizeof(TonemapPushConstant));
RD::get_singleton()->draw_list_draw(draw_list, false, 1u, 3u);
RD::get_singleton()->draw_list_end();
}
void ToneMapper::tonemapper_mobile(RID p_source_color, RID p_dst_framebuffer, const TonemapSettings &p_settings) {
ERR_FAIL_COND_MSG(!using_mobile_version, "Can't use the mobile version of the tonemapper with the clustered renderer.");
UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton();
ERR_FAIL_NULL(uniform_set_cache);
MaterialStorage *material_storage = MaterialStorage::get_singleton();
ERR_FAIL_NULL(material_storage);
memset(&tonemap_mobile.push_constant, 0, sizeof(TonemapPushConstantMobile));
tonemap_mobile.push_constant.bcs[0] = p_settings.brightness;
tonemap_mobile.push_constant.bcs[1] = p_settings.contrast;
tonemap_mobile.push_constant.bcs[2] = p_settings.saturation;
tonemap_mobile.push_constant.src_pixel_size[0] = 1.0 / p_settings.texture_size.x;
tonemap_mobile.push_constant.src_pixel_size[1] = 1.0 / p_settings.texture_size.y;
tonemap_mobile.push_constant.dest_pixel_size[0] = 1.0 / p_settings.dest_texture_size.x;
tonemap_mobile.push_constant.dest_pixel_size[1] = 1.0 / p_settings.dest_texture_size.y;
tonemap_mobile.push_constant.glow_intensity = p_settings.glow_intensity;
tonemap_mobile.push_constant.glow_map_strength = p_settings.glow_map_strength;
tonemap_mobile.push_constant.exposure = p_settings.exposure;
tonemap_mobile.push_constant.white = p_settings.white;
tonemap_mobile.push_constant.luminance_multiplier = p_settings.luminance_multiplier;
uint32_t spec_constant = 0;
spec_constant |= p_settings.use_bcs ? TONEMAP_MOBILE_FLAG_USE_BCS : 0;
spec_constant |= p_settings.use_glow ? TONEMAP_MOBILE_FLAG_USE_GLOW : 0;
spec_constant |= p_settings.glow_map_strength > 0.01 ? TONEMAP_MOBILE_FLAG_USE_GLOW_MAP : 0;
spec_constant |= p_settings.use_color_correction ? TONEMAP_MOBILE_FLAG_USE_COLOR_CORRECTION : 0;
spec_constant |= p_settings.use_fxaa ? TONEMAP_MOBILE_FLAG_USE_FXAA : 0;
spec_constant |= p_settings.debanding_mode == TonemapSettings::DEBANDING_MODE_8_BIT ? TONEMAP_MOBILE_FLAG_USE_8_BIT_DEBANDING : 0;
spec_constant |= p_settings.debanding_mode == TonemapSettings::DEBANDING_MODE_10_BIT ? TONEMAP_MOBILE_FLAG_USE_10_BIT_DEBANDING : 0;
spec_constant |= p_settings.convert_to_srgb ? TONEMAP_MOBILE_FLAG_CONVERT_TO_SRGB : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_LINEAR ? TONEMAP_MOBILE_FLAG_TONEMAPPER_LINEAR : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_REINHARD ? TONEMAP_MOBILE_FLAG_TONEMAPPER_REINHARD : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_FILMIC ? TONEMAP_MOBILE_FLAG_TONEMAPPER_FILMIC : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_ACES ? TONEMAP_MOBILE_FLAG_TONEMAPPER_ACES : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_AGX ? TONEMAP_MOBILE_FLAG_TONEMAPPER_AGX : 0;
spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_ADDITIVE ? TONEMAP_MOBILE_FLAG_GLOW_MODE_ADD : 0;
spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_SCREEN ? TONEMAP_MOBILE_FLAG_GLOW_MODE_SCREEN : 0;
spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_SOFTLIGHT ? TONEMAP_MOBILE_FLAG_GLOW_MODE_SOFTLIGHT : 0;
spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_REPLACE ? TONEMAP_MOBILE_FLAG_GLOW_MODE_REPLACE : 0;
spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_MIX ? TONEMAP_MOBILE_FLAG_GLOW_MODE_MIX : 0;
int mode = p_settings.use_1d_color_correction ? TONEMAP_MOBILE_MODE_1D_LUT : TONEMAP_MOBILE_MODE_NORMAL;
if (p_settings.view_count > 1) {
// Use USE_MULTIVIEW versions
mode += 4;
}
RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RID default_mipmap_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RD::Uniform u_source_color(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_source_color }));
RD::Uniform u_glow_texture;
u_glow_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_glow_texture.binding = 0;
u_glow_texture.append_id(default_mipmap_sampler);
u_glow_texture.append_id(p_settings.glow_texture);
RD::Uniform u_glow_map;
u_glow_map.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_glow_map.binding = 1;
u_glow_map.append_id(default_mipmap_sampler);
u_glow_map.append_id(p_settings.glow_map);
RD::Uniform u_color_correction_texture;
u_color_correction_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_color_correction_texture.binding = 0;
u_color_correction_texture.append_id(default_sampler);
u_color_correction_texture.append_id(p_settings.color_correction_texture);
RID shader = tonemap_mobile.shader.version_get_shader(tonemap_mobile.shader_version, mode);
ERR_FAIL_COND(shader.is_null());
RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dst_framebuffer);
RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, tonemap_mobile.pipelines[mode].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dst_framebuffer), false, RD::get_singleton()->draw_list_get_current_pass(), spec_constant));
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 0, u_source_color), 0);
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 1, u_glow_texture, u_glow_map), 1);
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 2, u_color_correction_texture), 2);
RD::get_singleton()->draw_list_set_push_constant(draw_list, &tonemap_mobile.push_constant, sizeof(TonemapPushConstantMobile));
RD::get_singleton()->draw_list_draw(draw_list, false, 1u, 3u);
RD::get_singleton()->draw_list_end();
}
void ToneMapper::tonemapper_subpass(RD::DrawListID p_subpass_draw_list, RID p_source_color, RD::FramebufferFormatID p_dst_format_id, const TonemapSettings &p_settings) {
UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton();
ERR_FAIL_NULL(uniform_set_cache);
MaterialStorage *material_storage = MaterialStorage::get_singleton();
ERR_FAIL_NULL(material_storage);
ERR_FAIL_COND_MSG(p_settings.use_glow, "Glow is not supported when using subpasses.");
memset(&tonemap_mobile.push_constant, 0, sizeof(TonemapPushConstantMobile));
tonemap_mobile.push_constant.bcs[0] = p_settings.brightness;
tonemap_mobile.push_constant.bcs[1] = p_settings.contrast;
tonemap_mobile.push_constant.bcs[2] = p_settings.saturation;
tonemap_mobile.push_constant.src_pixel_size[0] = 1.0 / p_settings.texture_size.x;
tonemap_mobile.push_constant.src_pixel_size[1] = 1.0 / p_settings.texture_size.y;
tonemap_mobile.push_constant.glow_intensity = p_settings.glow_intensity;
tonemap_mobile.push_constant.glow_map_strength = p_settings.glow_map_strength;
tonemap_mobile.push_constant.exposure = p_settings.exposure;
tonemap_mobile.push_constant.white = p_settings.white;
tonemap_mobile.push_constant.luminance_multiplier = p_settings.luminance_multiplier;
uint32_t spec_constant = 0;
spec_constant |= p_settings.use_bcs ? TONEMAP_MOBILE_FLAG_USE_BCS : 0;
//spec_constant |= p_settings.use_glow ? TONEMAP_MOBILE_FLAG_USE_GLOW : 0;
//spec_constant |= p_settings.glow_map_strength > 0.01 ? TONEMAP_MOBILE_FLAG_USE_GLOW_MAP : 0;
//spec_constant |= p_settings.use_color_correction ? TONEMAP_MOBILE_FLAG_USE_COLOR_CORRECTION : 0;
//spec_constant |= p_settings.use_fxaa ? TONEMAP_MOBILE_FLAG_USE_FXAA : 0;
spec_constant |= p_settings.debanding_mode == TonemapSettings::DEBANDING_MODE_8_BIT ? TONEMAP_MOBILE_FLAG_USE_8_BIT_DEBANDING : 0;
spec_constant |= p_settings.convert_to_srgb ? TONEMAP_MOBILE_FLAG_CONVERT_TO_SRGB : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_LINEAR ? TONEMAP_MOBILE_FLAG_TONEMAPPER_LINEAR : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_REINHARD ? TONEMAP_MOBILE_FLAG_TONEMAPPER_REINHARD : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_FILMIC ? TONEMAP_MOBILE_FLAG_TONEMAPPER_FILMIC : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_ACES ? TONEMAP_MOBILE_FLAG_TONEMAPPER_ACES : 0;
spec_constant |= p_settings.tonemap_mode == RS::ENV_TONE_MAPPER_AGX ? TONEMAP_MOBILE_FLAG_TONEMAPPER_AGX : 0;
//spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_ADDITIVE ? TONEMAP_MOBILE_FLAG_GLOW_MODE_ADD : 0;
//spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_SCREEN ? TONEMAP_MOBILE_FLAG_GLOW_MODE_SCREEN : 0;
//spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_SOFTLIGHT ? TONEMAP_MOBILE_FLAG_GLOW_MODE_SOFTLIGHT : 0;
//spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_REPLACE ? TONEMAP_MOBILE_FLAG_GLOW_MODE_REPLACE : 0;
//spec_constant |= p_settings.glow_mode == RS::ENV_GLOW_BLEND_MODE_MIX ? TONEMAP_MOBILE_FLAG_GLOW_MODE_MIX : 0;
int mode = p_settings.use_1d_color_correction ? TONEMAP_MOBILE_MODE_SUBPASS_1D_LUT : TONEMAP_MOBILE_MODE_SUBPASS;
if (p_settings.view_count > 1) {
// Use USE_MULTIVIEW versions
mode += 4;
}
RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RID default_mipmap_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RD::Uniform u_source_color;
u_source_color.uniform_type = RD::UNIFORM_TYPE_INPUT_ATTACHMENT;
u_source_color.binding = 0;
u_source_color.append_id(p_source_color);
RD::Uniform u_glow_texture;
u_glow_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_glow_texture.binding = 0;
u_glow_texture.append_id(default_mipmap_sampler);
u_glow_texture.append_id(p_settings.glow_texture);
RD::Uniform u_glow_map;
u_glow_map.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_glow_map.binding = 1;
u_glow_map.append_id(default_mipmap_sampler);
u_glow_map.append_id(p_settings.glow_map);
RD::Uniform u_color_correction_texture;
u_color_correction_texture.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
u_color_correction_texture.binding = 0;
u_color_correction_texture.append_id(default_sampler);
u_color_correction_texture.append_id(p_settings.color_correction_texture);
RID shader = tonemap_mobile.shader.version_get_shader(tonemap_mobile.shader_version, mode);
ERR_FAIL_COND(shader.is_null());
RD::get_singleton()->draw_list_bind_render_pipeline(p_subpass_draw_list, tonemap_mobile.pipelines[mode].get_render_pipeline(RD::INVALID_ID, p_dst_format_id, false, RD::get_singleton()->draw_list_get_current_pass(), spec_constant));
RD::get_singleton()->draw_list_bind_uniform_set(p_subpass_draw_list, uniform_set_cache->get_cache(shader, 0, u_source_color), 0);
RD::get_singleton()->draw_list_bind_uniform_set(p_subpass_draw_list, uniform_set_cache->get_cache(shader, 1, u_glow_texture, u_glow_map), 1); // should be set to a default texture, it's ignored
RD::get_singleton()->draw_list_bind_uniform_set(p_subpass_draw_list, uniform_set_cache->get_cache(shader, 2, u_color_correction_texture), 2);
RD::get_singleton()->draw_list_set_push_constant(p_subpass_draw_list, &tonemap_mobile.push_constant, sizeof(TonemapPushConstantMobile));
RD::get_singleton()->draw_list_draw(p_subpass_draw_list, false, 1u, 3u);
}
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