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graphics: simplify render target format and color mapping resolution

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This commit is contained in:
nmzik
2026-08-11 10:13:19 +02:00
parent ca7c8f0074
commit 11b95bed20
6 changed files with 355 additions and 160 deletions
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src/graphics/guest_gpu/gpu_format.h
+35 -7
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@@ -1,16 +1,44 @@
#ifndef EMULATOR_INCLUDE_EMULATOR_GRAPHICS_GUEST_GPU_GPU_FORMAT_H_
#define EMULATOR_INCLUDE_EMULATOR_GRAPHICS_GUEST_GPU_GPU_FORMAT_H_
#include "common/common.h"
#include "graphics/guest_gpu/gpu_defs.h"
namespace Libs::Graphics::Prospero {
uint32_t NumBytesPerElement(uint32_t format);
uint32_t BlockCompressedBytesPerBlock(uint32_t format);
uint32_t RenderTargetBytesPerElement(uint32_t format);
bool IsSupportedTextureFormat(uint32_t format);
bool IsUintTextureFormat(uint32_t format);
bool IsFmaskTextureFormat(uint32_t format);
enum class ChannelOrderSupport : uint8_t {
kNone,
kStandardOnly,
kAll,
};
struct RenderTargetFormatEncoding {
BufferFormat buffer_format = BufferFormat::kInvalid;
uint8_t components = 0;
ChannelOrderSupport order_support = ChannelOrderSupport::kNone;
[[nodiscard]] constexpr bool IsValid() const {
return buffer_format != BufferFormat::kInvalid && components >= 1u && components <= 4u &&
order_support != ChannelOrderSupport::kNone;
}
[[nodiscard]] constexpr bool SupportsOrder(uint32_t raw_order) const {
switch (order_support) {
case ChannelOrderSupport::kStandardOnly:
return raw_order == GpuEnumValue(ChannelOrder::kStandard);
case ChannelOrderSupport::kAll:
return raw_order <= GpuEnumValue(ChannelOrder::kAltReversed);
default: return false;
}
}
};
RenderTargetFormatEncoding ResolveRenderTargetFormat(uint32_t layout, uint32_t type);
uint32_t NumBytesPerElement(uint32_t format);
uint32_t BlockCompressedBytesPerBlock(uint32_t format);
uint32_t RenderTargetBytesPerElement(uint32_t format);
bool IsSupportedTextureFormat(uint32_t format);
bool IsUintTextureFormat(uint32_t format);
bool IsFmaskTextureFormat(uint32_t format);
} // namespace Libs::Graphics::Prospero