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shader: support bit-packed image surfaces

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This commit is contained in:
nmzik
2026-08-21 01:04:33 +02:00
parent fedd1a4335
commit 719e20d470
11 changed files with 707 additions and 195 deletions
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src/graphics/host_gpu/renderer/image/textureCommon.cpp
+7 -4
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@@ -119,13 +119,16 @@ vk::ComponentMapping TextureGetComponentMapping(uint32_t swizzle) {
return components;
}
vk::Format TextureGetFormat(Prospero::BufferFormat format) {
const auto vk_format = VulkanFormat(format);
SurfaceFormatInfo TextureGetSurfaceFormatInfo(Prospero::BufferFormat format) {
const auto backing_format = Prospero::RemapTextureFormat(format);
const auto vk_format = VulkanFormat(backing_format);
const auto conversion_format =
backing_format != format ? format : Prospero::BufferFormat::kInvalid;
if (vk_format != vk::Format::eUndefined) {
return vk_format;
return SurfaceFormatInfo(vk_format, conversion_format);
}
EXIT("unknown format: fmt = %u\n", static_cast<uint32_t>(format));
return vk::Format::eUndefined;
return SurfaceFormatInfo(vk::Format::eUndefined, Prospero::BufferFormat::kInvalid);
}
namespace {
src/graphics/host_gpu/renderer/image/textureCommon.h
+11 -2
View File
@@ -3,7 +3,7 @@
#include "common/abi.h"
#include "common/common.h"
#include "graphics/guest_gpu/gpu_defs.h"
#include "graphics/guest_gpu/gpu_format.h"
#include "graphics/guest_gpu/tile.h"
#include "graphics/host_gpu/vulkanCommon.h"
@@ -19,6 +19,15 @@ struct RenderTargetFormatInfo {
Prospero::ColorComponentMapping export_mapping;
};
struct SurfaceFormatInfo {
explicit constexpr SurfaceFormatInfo(vk::Format format,
Prospero::BufferFormat conversion_format)
: vk_format(format), conversion_format(conversion_format) {}
vk::Format vk_format;
Prospero::BufferFormat conversion_format;
};
struct TextureUploadMipLayout {
uint64_t offset = 0;
uint64_t size = 0;
@@ -35,7 +44,7 @@ struct TextureUploadLayout {
};
vk::ComponentMapping TextureGetComponentMapping(uint32_t swizzle);
vk::Format TextureGetFormat(Prospero::BufferFormat format);
SurfaceFormatInfo TextureGetSurfaceFormatInfo(Prospero::BufferFormat format);
RenderTargetFormatInfo TextureGetRenderTargetFormat(Prospero::ChannelLayout layout,
Prospero::ChannelType type,
Prospero::ChannelOrder order);