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Make volumetric light effect strength server controllable

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- Make volumetric light effect strength server controllable
- Separate volumetric and bloom shader pipeline
- Require bloom to be enable, scale godrays with bloom
This commit is contained in:
Lars
2023-10-23 17:05:31 -07:00
committed by lhofhansl
parent 04f0d545da
commit e0d4a9d575
16 changed files with 227 additions and 144 deletions
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36
src/client/render/secondstage.cpp
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@ -120,8 +120,9 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
static const u8 TEXTURE_EXPOSURE_1 = 3;
static const u8 TEXTURE_EXPOSURE_2 = 4;
static const u8 TEXTURE_FXAA = 5;
static const u8 TEXTURE_BLOOM_DOWN = 10;
static const u8 TEXTURE_BLOOM_UP = 20;
static const u8 TEXTURE_VOLUME = 6;
static const u8 TEXTURE_SCALE_DOWN = 10;
static const u8 TEXTURE_SCALE_UP = 20;
// Super-sampling is simply rendering into a larger texture.
// Downscaling is done by the final step when rendering to the screen.
@ -130,6 +131,7 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
const bool enable_auto_exposure = g_settings->getBool("enable_auto_exposure");
const bool enable_ssaa = antialiasing == "ssaa";
const bool enable_fxaa = antialiasing == "fxaa";
const bool enable_volumetric_light = g_settings->getBool("enable_volumetric_lighting") && enable_bloom;
if (enable_ssaa) {
u16 ssaa_scale = MYMAX(2, g_settings->getU16("fsaa"));
@ -160,9 +162,9 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
v2f downscale = scale * 0.5;
for (u8 i = 0; i < MIPMAP_LEVELS; i++) {
buffer->setTexture(TEXTURE_BLOOM_DOWN + i, downscale, std::string("downsample") + std::to_string(i), color_format);
buffer->setTexture(TEXTURE_SCALE_DOWN + i, downscale, std::string("downsample") + std::to_string(i), color_format);
if (enable_bloom)
buffer->setTexture(TEXTURE_BLOOM_UP + i, downscale, std::string("upsample") + std::to_string(i), color_format);
buffer->setTexture(TEXTURE_SCALE_UP + i, downscale, std::string("upsample") + std::to_string(i), color_format);
downscale *= 0.5;
}
@ -171,20 +173,30 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
// get bright spots
u32 shader_id = client->getShaderSource()->getShader("extract_bloom", TILE_MATERIAL_PLAIN, NDT_MESH);
RenderStep *extract_bloom = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { TEXTURE_COLOR, TEXTURE_EXPOSURE_1, TEXTURE_DEPTH });
RenderStep *extract_bloom = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { source, TEXTURE_EXPOSURE_1 });
extract_bloom->setRenderSource(buffer);
extract_bloom->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, TEXTURE_BLOOM));
source = TEXTURE_BLOOM;
}
if (enable_volumetric_light) {
buffer->setTexture(TEXTURE_VOLUME, scale, "volume", color_format);
shader_id = client->getShaderSource()->getShader("volumetric_light", TILE_MATERIAL_PLAIN, NDT_MESH);
auto volume = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { source, TEXTURE_DEPTH });
volume->setRenderSource(buffer);
volume->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, TEXTURE_VOLUME));
source = TEXTURE_VOLUME;
}
// downsample
shader_id = client->getShaderSource()->getShader("bloom_downsample", TILE_MATERIAL_PLAIN, NDT_MESH);
for (u8 i = 0; i < MIPMAP_LEVELS; i++) {
auto step = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { source });
step->setRenderSource(buffer);
step->setBilinearFilter(0, true);
step->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, TEXTURE_BLOOM_DOWN + i));
source = TEXTURE_BLOOM_DOWN + i;
step->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, TEXTURE_SCALE_DOWN + i));
source = TEXTURE_SCALE_DOWN + i;
}
}
@ -193,19 +205,19 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
// upsample
shader_id = client->getShaderSource()->getShader("bloom_upsample", TILE_MATERIAL_PLAIN, NDT_MESH);
for (u8 i = MIPMAP_LEVELS - 1; i > 0; i--) {
auto step = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { u8(TEXTURE_BLOOM_DOWN + i - 1), source });
auto step = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { u8(TEXTURE_SCALE_DOWN + i - 1), source });
step->setRenderSource(buffer);
step->setBilinearFilter(0, true);
step->setBilinearFilter(1, true);
step->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, u8(TEXTURE_BLOOM_UP + i - 1)));
source = TEXTURE_BLOOM_UP + i - 1;
step->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, u8(TEXTURE_SCALE_UP + i - 1)));
source = TEXTURE_SCALE_UP + i - 1;
}
}
// Dynamic Exposure pt2
if (enable_auto_exposure) {
shader_id = client->getShaderSource()->getShader("update_exposure", TILE_MATERIAL_PLAIN, NDT_MESH);
auto update_exposure = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { TEXTURE_EXPOSURE_1, u8(TEXTURE_BLOOM_DOWN + MIPMAP_LEVELS - 1) });
auto update_exposure = pipeline->addStep<PostProcessingStep>(shader_id, std::vector<u8> { TEXTURE_EXPOSURE_1, u8(TEXTURE_SCALE_DOWN + MIPMAP_LEVELS - 1) });
update_exposure->setBilinearFilter(1, true);
update_exposure->setRenderSource(buffer);
update_exposure->setRenderTarget(pipeline->createOwned<TextureBufferOutput>(buffer, TEXTURE_EXPOSURE_2));
@ -228,7 +240,7 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
// final merge
shader_id = client->getShaderSource()->getShader("second_stage", TILE_MATERIAL_PLAIN, NDT_MESH);
PostProcessingStep *effect = pipeline->createOwned<PostProcessingStep>(shader_id, std::vector<u8> { final_stage_source, TEXTURE_BLOOM_UP, TEXTURE_EXPOSURE_2 });
PostProcessingStep *effect = pipeline->createOwned<PostProcessingStep>(shader_id, std::vector<u8> { final_stage_source, TEXTURE_SCALE_UP, TEXTURE_EXPOSURE_2 });
pipeline->addStep(effect);
if (enable_ssaa)
effect->setBilinearFilter(0, true);