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Irradiance works

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This commit is contained in:
Dynamitos
2025-04-06 09:57:47 +02:00
parent aa1f037cb5
commit f21606379c
28 changed files with 524 additions and 401 deletions
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src/Editor/Asset/EnvironmentLoader.cpp
+77 -17
View File
@@ -14,6 +14,20 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
.offset = {0, 0},
},
});
convolutionViewport = graphics->createViewport(nullptr, ViewportCreateInfo{
.dimensions =
{
.size = {32, 32},
.offset = {0, 0},
},
});
cubeSampler = graphics->createSampler({
.magFilter = Gfx::SE_FILTER_LINEAR,
.minFilter = Gfx::SE_FILTER_LINEAR,
.addressModeU = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeV = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeW = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
});
cubeRenderLayout = graphics->createDescriptorLayout("pViewParams");
cubeRenderLayout->addDescriptorBinding(Gfx::DescriptorBinding{
@@ -32,6 +46,10 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
.name = "sampler",
.descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLER,
});
cubeRenderLayout->addDescriptorBinding(Gfx::DescriptorBinding{
.name = "cubeMap",
.descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
});
cubeRenderLayout->create();
cubePipelineLayout = graphics->createPipelineLayout("CubeRenderLayout");
@@ -43,7 +61,8 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
.entryPoints =
{
{"vertMain", "EnvironmentMapping"},
{"fragMain", "EnvironmentMapping"},
{"computeCubemap", "EnvironmentMapping"},
{"convolveCubemap", "EnvironmentMapping"},
},
.rootSignature = cubePipelineLayout,
});
@@ -51,14 +70,7 @@ EnvironmentLoader::EnvironmentLoader(Gfx::PGraphics graphics) : graphics(graphic
cubeRenderVertex = graphics->createVertexShader({0});
cubeRenderFrag = graphics->createFragmentShader({1});
cubeSampler = graphics->createSampler({
.magFilter = Gfx::SE_FILTER_LINEAR,
.minFilter = Gfx::SE_FILTER_LINEAR,
.addressModeU = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeV = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeW = Gfx::SE_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
});
convolutionFrag = graphics->createFragmentShader({2});
}
EnvironmentLoader::~EnvironmentLoader() {}
@@ -93,12 +105,12 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
});
Matrix4 captureProjection = glm::perspective(glm::radians(90.0f), 1.0f, 0.1f, 10.0f);
Matrix4 captureViews[] = {
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(-1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f), Vector(0.0f, 0.0f, 1.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, -1.0f, 0.0f), Vector(0.0f, 0.0f, -1.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 0.0f, 1.0f), Vector(0.0f, 1.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 0.0f, -1.0f), Vector(0.0f, 1.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, -1.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(-1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
glm::lookAt(Vector(0.0f, 0.0f, 0.0f), Vector(1.0f, 0.0f, 0.0f), Vector(0.0f, 1.0f, 0.0f)),
};
Gfx::PDescriptorSet set = cubeRenderLayout->allocateDescriptorSet();
set->updateConstants("view", 0, captureViews);
@@ -110,9 +122,9 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
.format = Gfx::SE_FORMAT_R32G32B32A32_SFLOAT,
.width = 1024,
.height = 1024,
.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | Gfx::SE_IMAGE_USAGE_SAMPLED_BIT,
});
cubeRenderPass = graphics->createRenderPass(
Gfx::ORenderPass cubeRenderPass = graphics->createRenderPass(
Gfx::RenderTargetLayout{
.colorAttachments = {Gfx::RenderTargetAttachment(cubeMap, Gfx::SE_IMAGE_LAYOUT_UNDEFINED,
Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
@@ -139,9 +151,57 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
renderCommand->bindPipeline(cubeRenderPipeline);
renderCommand->bindDescriptor({set});
renderCommand->setViewport(cubeRenderViewport);
renderCommand->draw(6, 1, 0, 0);
renderCommand->draw(36, 1, 0, 0);
graphics->executeCommands(std::move(renderCommand));
graphics->endRenderPass();
Gfx::OTextureCube convolutedMap = graphics->createTextureCube(TextureCreateInfo{
.format = Gfx::SE_FORMAT_R32G32B32A32_SFLOAT,
.width = 32,
.height = 32,
.usage = Gfx::SE_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
});
Gfx::ORenderPass convolutionPass = graphics->createRenderPass(
Gfx::RenderTargetLayout{
.colorAttachments = {Gfx::RenderTargetAttachment(convolutedMap, Gfx::SE_IMAGE_LAYOUT_UNDEFINED,
Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
Gfx::SE_ATTACHMENT_LOAD_OP_DONT_CARE, Gfx::SE_ATTACHMENT_STORE_OP_STORE)},
},
{},
URect{
.size = {32, 32},
.offset = {0, 0},
},
"EnvironmentRenderPass", {0b111111}, {0b111111});
convolutionPipeline = graphics->createGraphicsPipeline(Gfx::LegacyPipelineCreateInfo{
.vertexShader = cubeRenderVertex,
.fragmentShader = convolutionFrag,
.renderPass = convolutionPass,
.pipelineLayout = cubePipelineLayout,
.colorBlend =
{
.attachmentCount = 1,
},
});
set = cubeRenderLayout->allocateDescriptorSet();
set->updateConstants("view", 0, captureViews);
set->updateConstants("projection", 0, &captureProjection);
set->updateSampler("sampler", 0, cubeSampler);
set->updateTexture("cubeMap", 0, Gfx::PTextureCube(cubeMap));
set->writeChanges();
graphics->beginRenderPass(convolutionPass);
Gfx::ORenderCommand cmd = graphics->createRenderCommand("ConvolutionPass");
cmd->bindPipeline(convolutionPipeline);
cmd->bindDescriptor({set});
cmd->setViewport(convolutionViewport);
cmd->draw(36, 1, 0, 0);
graphics->executeCommands(std::move(cmd));
graphics->endRenderPass();
asset->skybox = std::move(cubeMap);
asset->irradianceMap = std::move(convolutedMap);
asset->specularMap = std::move(cubeMap);
graphics->waitDeviceIdle();
asset->diffuseMap = std::move(cubeMap);
}
src/Editor/Asset/EnvironmentLoader.h
+3 -1
View File
@@ -25,8 +25,10 @@ class EnvironmentLoader {
Gfx::ODescriptorLayout cubeRenderLayout;
Gfx::OPipelineLayout cubePipelineLayout;
Gfx::PGraphicsPipeline cubeRenderPipeline;
Gfx::ORenderPass cubeRenderPass;
Gfx::OFragmentShader convolutionFrag;
Gfx::PGraphicsPipeline convolutionPipeline;
Gfx::OViewport cubeRenderViewport;
Gfx::OViewport convolutionViewport;
Gfx::OSampler cubeSampler;
};
}