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vulkan: Limit multisampling to supported sample counts. (#828)

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squidbus 2024-09-12 12:59:23 -07:00 committed by GitHub
parent bc66fe8fb5
commit fc90f279e2
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5 changed files with 29 additions and 6 deletions
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12
src/video_core/renderer_vulkan/liverpool_to_vk.cpp
View file

@ -718,7 +718,7 @@ vk::ClearValue ColorBufferClearValue(const AmdGpu::Liverpool::ColorBuffer& color
return {.color = color};
}
vk::SampleCountFlagBits NumSamples(u32 num_samples) {
vk::SampleCountFlagBits RawNumSamples(u32 num_samples) {
switch (num_samples) {
case 1:
return vk::SampleCountFlagBits::e1;
@ -735,4 +735,14 @@ vk::SampleCountFlagBits NumSamples(u32 num_samples) {
}
}
vk::SampleCountFlagBits NumSamples(u32 num_samples, vk::SampleCountFlags supported_flags) {
vk::SampleCountFlagBits flags = RawNumSamples(num_samples);
// Half sample counts until supported, with a minimum of 1.
while (!(supported_flags & flags) && num_samples > 1) {
num_samples /= 2;
flags = RawNumSamples(num_samples);
}
return flags;
}
} // namespace Vulkan::LiverpoolToVK

2
src/video_core/renderer_vulkan/liverpool_to_vk.h
View file

@ -51,7 +51,7 @@ vk::Format DepthFormat(Liverpool::DepthBuffer::ZFormat z_format,
vk::ClearValue ColorBufferClearValue(const AmdGpu::Liverpool::ColorBuffer& color_buffer);
vk::SampleCountFlagBits NumSamples(u32 num_samples);
vk::SampleCountFlagBits NumSamples(u32 num_samples, vk::SampleCountFlags supported_flags);
void EmitQuadToTriangleListIndices(u8* out_indices, u32 num_vertices);

3
src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
View file

@ -102,7 +102,8 @@ GraphicsPipeline::GraphicsPipeline(const Instance& instance_, Scheduler& schedul
};
const vk::PipelineMultisampleStateCreateInfo multisampling = {
.rasterizationSamples = LiverpoolToVK::NumSamples(key.num_samples),
.rasterizationSamples =
LiverpoolToVK::NumSamples(key.num_samples, instance.GetFramebufferSampleCounts()),
.sampleShadingEnable = false,
};

7
src/video_core/renderer_vulkan/vk_instance.h
View file

@ -222,6 +222,13 @@ public:
return min_imported_host_pointer_alignment;
}
/// Returns the sample count flags supported by framebuffers.
vk::SampleCountFlags GetFramebufferSampleCounts() const {
return properties.limits.framebufferColorSampleCounts &
properties.limits.framebufferDepthSampleCounts &
properties.limits.framebufferStencilSampleCounts;
}
private:
/// Creates the logical device opportunistically enabling extensions
bool CreateDevice();

11
src/video_core/texture_cache/image.cpp
View file

@ -146,10 +146,15 @@ Image::Image(const Vulkan::Instance& instance_, Vulkan::Scheduler& scheduler_,
break;
}
constexpr auto tiling = vk::ImageTiling::eOptimal;
const auto supported_format = instance->GetSupportedFormat(info.pixel_format);
const auto properties = instance->GetPhysicalDevice().getImageFormatProperties(
supported_format, info.type, tiling, usage, flags);
const vk::ImageCreateInfo image_ci = {
.flags = flags,
.imageType = info.type,
.format = instance->GetSupportedFormat(info.pixel_format),
.format = supported_format,
.extent{
.width = info.size.width,
.height = info.size.height,
@ -157,8 +162,8 @@ Image::Image(const Vulkan::Instance& instance_, Vulkan::Scheduler& scheduler_,
},
.mipLevels = static_cast<u32>(info.resources.levels),
.arrayLayers = static_cast<u32>(info.resources.layers),
.samples = LiverpoolToVK::NumSamples(info.num_samples),
.tiling = vk::ImageTiling::eOptimal,
.samples = LiverpoolToVK::NumSamples(info.num_samples, properties.sampleCounts),
.tiling = tiling,
.usage = usage,
.initialLayout = vk::ImageLayout::eUndefined,
};