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ADD: Lighting modifier and IBL probe

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hydrogendeuteride
2025-11-27 21:49:25 +09:00
parent 2182b02f4a
commit 67ab04f798
11 changed files with 401 additions and 45 deletions
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40
src/render/passes/background.cpp
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@@ -151,21 +151,37 @@ void BackgroundPass::register_graph(RenderGraph *graph, RGImageHandle drawHandle
DescriptorWriter w0; w0.write_buffer(0, ubo.buffer, sizeof(GPUSceneData), 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
w0.update_set(ctx->getDevice()->device(), global);
// IBL set
VkImageView specView = _fallbackIblCube.imageView;
if (ctx->ibl && ctx->ibl->specular().imageView) specView = ctx->ibl->specular().imageView;
VkDescriptorSetLayout iblLayout = (ctx->ibl ? ctx->ibl->descriptorLayout() : _emptySetLayout);
VkDescriptorSet ibl = ctx->currentFrame->_frameDescriptors.allocate(
ctx->getDevice()->device(), iblLayout);
DescriptorWriter w3;
// Bind only specular at binding 0; other bindings are unused in this shader
w3.write_image(0, specView, ctx->getSamplers()->defaultLinear(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
w3.update_set(ctx->getDevice()->device(), ibl);
// IBL/background set (set = 3)
VkDescriptorSet ibl = VK_NULL_HANDLE;
if (ctx->ibl)
{
VkImageView envView = _fallbackIblCube.imageView;
// Prefer a dedicated background texture when available, otherwise reuse specular.
if (ctx->ibl->background().imageView)
{
envView = ctx->ibl->background().imageView;
}
else if (ctx->ibl->specular().imageView)
{
envView = ctx->ibl->specular().imageView;
}
VkDescriptorSetLayout iblLayout = ctx->ibl->descriptorLayout();
ibl = ctx->currentFrame->_frameDescriptors.allocate(
ctx->getDevice()->device(), iblLayout);
DescriptorWriter w3;
// Bind background map at binding 3; other bindings are unused in this shader.
w3.write_image(3, envView, ctx->getSamplers()->defaultLinear(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
w3.update_set(ctx->getDevice()->device(), ibl);
}
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, _envPipeline);
vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, _envPipelineLayout, 0, 1, &global, 0, nullptr);
vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, _envPipelineLayout, 3, 1, &ibl, 0, nullptr);
if (ibl != VK_NULL_HANDLE)
{
vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, _envPipelineLayout, 3, 1, &ibl, 0, nullptr);
}
VkExtent2D extent = ctx->getDrawExtent();
VkViewport vp{0.f, 0.f, float(extent.width), float(extent.height), 0.f, 1.f};