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KytyPS5/src/graphics/shader/recompiler/BufferFormat.h
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nmzik 81a5dd612f shader: fix embedded vertex fetch swizzles
2026-09-05 16:00:46 +04:00

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#ifndef EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_RECOMPILER_BUFFERFORMAT_H_
#define EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_RECOMPILER_BUFFERFORMAT_H_
#include "graphics/guest_gpu/gpu_defs.h"
namespace Libs::Graphics::ShaderRecompiler::Format {
enum class ComponentType {
Unknown,
Uint,
Sint,
Unorm,
Snorm,
Uscaled,
Sscaled,
Float,
};
struct BufferFormatInfo {
Prospero::BufferFormat format = Prospero::BufferFormat::kInvalid;
ComponentType type = ComponentType::Unknown;
uint32_t component_count = 0;
uint32_t byte_size = 0;
uint32_t component_bits[4] = {};
uint32_t component_bit_offset[4] = {};
bool packed_bitfield = false;
};
enum class FormattedSourceKind { Memory, Zero, One, Invalid };
struct FormattedSource {
FormattedSourceKind kind = FormattedSourceKind::Zero;
uint32_t component = 0;
};
constexpr FormattedSource ResolveFormattedSource(const BufferFormatInfo& info, uint32_t selector) {
if (selector == 0u) return {};
if (selector == 1u) return {FormattedSourceKind::One, 0};
if (selector < 4u || selector > 7u || info.component_count == 0u) {
return {FormattedSourceKind::Invalid, 0};
}
// Formatted decoding expands source channels before applying the swizzle.
return {FormattedSourceKind::Memory, (selector - 4u) % info.component_count};
}
constexpr uint32_t FormattedConstantBits(const BufferFormatInfo& info, FormattedSourceKind kind) {
if (kind != FormattedSourceKind::One) return 0;
return info.type == ComponentType::Uint || info.type == ComponentType::Sint ? 1u : 0x3f800000u;
}
constexpr Prospero::BufferFormat DecodeTBufferFormat(uint32_t data_format, uint32_t number_format) {
return static_cast<Prospero::BufferFormat>(((number_format & 0x7u) << 4u) |
(data_format & 0xfu));
}
constexpr ComponentType GetFormatComponentType(Prospero::BufferFormat format) {
switch (format) {
case Prospero::BufferFormat::k8UInt:
case Prospero::BufferFormat::k16UInt:
case Prospero::BufferFormat::k8_8UInt:
case Prospero::BufferFormat::k32UInt:
case Prospero::BufferFormat::k16_16UInt:
case Prospero::BufferFormat::k11_11_10UInt:
case Prospero::BufferFormat::k10_11_11UInt:
case Prospero::BufferFormat::k2_10_10_10UInt:
case Prospero::BufferFormat::k10_10_10_2UInt:
case Prospero::BufferFormat::k8_8_8_8UInt:
case Prospero::BufferFormat::k32_32UInt:
case Prospero::BufferFormat::k16_16_16_16UInt:
case Prospero::BufferFormat::k32_32_32UInt:
case Prospero::BufferFormat::k32_32_32_32UInt: return ComponentType::Uint;
case Prospero::BufferFormat::k8SInt:
case Prospero::BufferFormat::k16SInt:
case Prospero::BufferFormat::k8_8SInt:
case Prospero::BufferFormat::k32SInt:
case Prospero::BufferFormat::k16_16SInt:
case Prospero::BufferFormat::k11_11_10SInt:
case Prospero::BufferFormat::k10_11_11SInt:
case Prospero::BufferFormat::k2_10_10_10SInt:
case Prospero::BufferFormat::k10_10_10_2SInt:
case Prospero::BufferFormat::k8_8_8_8SInt:
case Prospero::BufferFormat::k32_32SInt:
case Prospero::BufferFormat::k16_16_16_16SInt:
case Prospero::BufferFormat::k32_32_32SInt:
case Prospero::BufferFormat::k32_32_32_32SInt: return ComponentType::Sint;
case Prospero::BufferFormat::k8UNorm:
case Prospero::BufferFormat::k16UNorm:
case Prospero::BufferFormat::k8_8UNorm:
case Prospero::BufferFormat::k16_16UNorm:
case Prospero::BufferFormat::k11_11_10UNorm:
case Prospero::BufferFormat::k10_11_11UNorm:
case Prospero::BufferFormat::k2_10_10_10UNorm:
case Prospero::BufferFormat::k10_10_10_2UNorm:
case Prospero::BufferFormat::k8_8_8_8UNorm:
case Prospero::BufferFormat::k16_16_16_16UNorm: return ComponentType::Unorm;
case Prospero::BufferFormat::k8SNorm:
case Prospero::BufferFormat::k16SNorm:
case Prospero::BufferFormat::k8_8SNorm:
case Prospero::BufferFormat::k16_16SNorm:
case Prospero::BufferFormat::k11_11_10SNorm:
case Prospero::BufferFormat::k10_11_11SNorm:
case Prospero::BufferFormat::k2_10_10_10SNorm:
case Prospero::BufferFormat::k10_10_10_2SNorm:
case Prospero::BufferFormat::k8_8_8_8SNorm:
case Prospero::BufferFormat::k16_16_16_16SNorm: return ComponentType::Snorm;
case Prospero::BufferFormat::k8UScaled:
case Prospero::BufferFormat::k16UScaled:
case Prospero::BufferFormat::k8_8UScaled:
case Prospero::BufferFormat::k16_16UScaled:
case Prospero::BufferFormat::k11_11_10UScaled:
case Prospero::BufferFormat::k10_11_11UScaled:
case Prospero::BufferFormat::k2_10_10_10UScaled:
case Prospero::BufferFormat::k10_10_10_2UScaled:
case Prospero::BufferFormat::k8_8_8_8UScaled:
case Prospero::BufferFormat::k16_16_16_16UScaled: return ComponentType::Uscaled;
case Prospero::BufferFormat::k8SScaled:
case Prospero::BufferFormat::k16SScaled:
case Prospero::BufferFormat::k8_8SScaled:
case Prospero::BufferFormat::k16_16SScaled:
case Prospero::BufferFormat::k11_11_10SScaled:
case Prospero::BufferFormat::k10_11_11SScaled:
case Prospero::BufferFormat::k2_10_10_10SScaled:
case Prospero::BufferFormat::k10_10_10_2SScaled:
case Prospero::BufferFormat::k8_8_8_8SScaled:
case Prospero::BufferFormat::k16_16_16_16SScaled: return ComponentType::Sscaled;
case Prospero::BufferFormat::k16Float:
case Prospero::BufferFormat::k32Float:
case Prospero::BufferFormat::k16_16Float:
case Prospero::BufferFormat::k11_11_10Float:
case Prospero::BufferFormat::k10_11_11Float:
case Prospero::BufferFormat::k32_32Float:
case Prospero::BufferFormat::k16_16_16_16Float:
case Prospero::BufferFormat::k32_32_32Float:
case Prospero::BufferFormat::k32_32_32_32Float: return ComponentType::Float;
default: return ComponentType::Unknown;
}
}
constexpr BufferFormatInfo GetFormatInfo(Prospero::BufferFormat format) {
const auto type = GetFormatComponentType(format);
if (type == ComponentType::Unknown) {
return {};
}
switch (format) {
case Prospero::BufferFormat::k8UNorm:
case Prospero::BufferFormat::k8SNorm:
case Prospero::BufferFormat::k8UScaled:
case Prospero::BufferFormat::k8SScaled:
case Prospero::BufferFormat::k8UInt:
case Prospero::BufferFormat::k8SInt:
return {format, type, 1, 1, {8, 0, 0, 0}, {0, 0, 0, 0}, false};
case Prospero::BufferFormat::k16UNorm:
case Prospero::BufferFormat::k16SNorm:
case Prospero::BufferFormat::k16UScaled:
case Prospero::BufferFormat::k16SScaled:
case Prospero::BufferFormat::k16UInt:
case Prospero::BufferFormat::k16SInt:
case Prospero::BufferFormat::k16Float:
return {format, type, 1, 2, {16, 0, 0, 0}, {0, 0, 0, 0}, false};
case Prospero::BufferFormat::k8_8UNorm:
case Prospero::BufferFormat::k8_8SNorm:
case Prospero::BufferFormat::k8_8UScaled:
case Prospero::BufferFormat::k8_8SScaled:
case Prospero::BufferFormat::k8_8UInt:
case Prospero::BufferFormat::k8_8SInt:
return {format, type, 2, 2, {8, 8, 0, 0}, {0, 8, 0, 0}, false};
case Prospero::BufferFormat::k32UInt:
case Prospero::BufferFormat::k32SInt:
case Prospero::BufferFormat::k32Float:
return {format, type, 1, 4, {32, 0, 0, 0}, {0, 0, 0, 0}, false};
case Prospero::BufferFormat::k16_16UNorm:
case Prospero::BufferFormat::k16_16SNorm:
case Prospero::BufferFormat::k16_16UScaled:
case Prospero::BufferFormat::k16_16SScaled:
case Prospero::BufferFormat::k16_16UInt:
case Prospero::BufferFormat::k16_16SInt:
case Prospero::BufferFormat::k16_16Float:
return {format, type, 2, 4, {16, 16, 0, 0}, {0, 16, 0, 0}, false};
case Prospero::BufferFormat::k11_11_10UNorm:
case Prospero::BufferFormat::k11_11_10SNorm:
case Prospero::BufferFormat::k11_11_10UScaled:
case Prospero::BufferFormat::k11_11_10SScaled:
case Prospero::BufferFormat::k11_11_10UInt:
case Prospero::BufferFormat::k11_11_10SInt:
case Prospero::BufferFormat::k11_11_10Float:
return {format, type, 3, 4, {11, 11, 10, 0}, {0, 11, 22, 0}, true};
case Prospero::BufferFormat::k10_11_11UNorm:
case Prospero::BufferFormat::k10_11_11SNorm:
case Prospero::BufferFormat::k10_11_11UScaled:
case Prospero::BufferFormat::k10_11_11SScaled:
case Prospero::BufferFormat::k10_11_11UInt:
case Prospero::BufferFormat::k10_11_11SInt:
case Prospero::BufferFormat::k10_11_11Float:
return {format, type, 3, 4, {10, 11, 11, 0}, {0, 10, 21, 0}, true};
case Prospero::BufferFormat::k2_10_10_10UNorm:
case Prospero::BufferFormat::k2_10_10_10SNorm:
case Prospero::BufferFormat::k2_10_10_10UScaled:
case Prospero::BufferFormat::k2_10_10_10SScaled:
case Prospero::BufferFormat::k2_10_10_10UInt:
case Prospero::BufferFormat::k2_10_10_10SInt:
return {format, type, 4, 4, {2, 10, 10, 10}, {0, 2, 12, 22}, true};
case Prospero::BufferFormat::k10_10_10_2UNorm:
case Prospero::BufferFormat::k10_10_10_2SNorm:
case Prospero::BufferFormat::k10_10_10_2UScaled:
case Prospero::BufferFormat::k10_10_10_2SScaled:
case Prospero::BufferFormat::k10_10_10_2UInt:
case Prospero::BufferFormat::k10_10_10_2SInt:
return {format, type, 4, 4, {10, 10, 10, 2}, {0, 10, 20, 30}, true};
case Prospero::BufferFormat::k8_8_8_8UNorm:
case Prospero::BufferFormat::k8_8_8_8SNorm:
case Prospero::BufferFormat::k8_8_8_8UScaled:
case Prospero::BufferFormat::k8_8_8_8SScaled:
case Prospero::BufferFormat::k8_8_8_8UInt:
case Prospero::BufferFormat::k8_8_8_8SInt:
return {format, type, 4, 4, {8, 8, 8, 8}, {0, 8, 16, 24}, false};
case Prospero::BufferFormat::k32_32UInt:
case Prospero::BufferFormat::k32_32SInt:
case Prospero::BufferFormat::k32_32Float:
return {format, type, 2, 8, {32, 32, 0, 0}, {0, 32, 0, 0}, false};
case Prospero::BufferFormat::k16_16_16_16UNorm:
case Prospero::BufferFormat::k16_16_16_16SNorm:
case Prospero::BufferFormat::k16_16_16_16UScaled:
case Prospero::BufferFormat::k16_16_16_16SScaled:
case Prospero::BufferFormat::k16_16_16_16UInt:
case Prospero::BufferFormat::k16_16_16_16SInt:
case Prospero::BufferFormat::k16_16_16_16Float:
return {format, type, 4, 8, {16, 16, 16, 16}, {0, 16, 32, 48}, false};
case Prospero::BufferFormat::k32_32_32UInt:
case Prospero::BufferFormat::k32_32_32SInt:
case Prospero::BufferFormat::k32_32_32Float:
return {format, type, 3, 12, {32, 32, 32, 0}, {0, 32, 64, 0}, false};
case Prospero::BufferFormat::k32_32_32_32UInt:
case Prospero::BufferFormat::k32_32_32_32SInt:
case Prospero::BufferFormat::k32_32_32_32Float:
return {format, type, 4, 16, {32, 32, 32, 32}, {0, 32, 64, 96}, false};
default: return {};
}
}
constexpr bool IsKnownFormat(Prospero::BufferFormat format) {
return GetFormatInfo(format).type != ComponentType::Unknown;
}
constexpr uint32_t GetFormatComponentCount(Prospero::BufferFormat format) {
return GetFormatInfo(format).component_count;
}
constexpr uint32_t GetFormatComponentByteOffset(Prospero::BufferFormat format, uint32_t component) {
const auto info = GetFormatInfo(format);
if (component >= info.component_count) {
return 0;
}
return info.packed_bitfield ? 0u : info.component_bit_offset[component] / 8u;
}
constexpr bool CanUseTypedBufferLoad(Prospero::BufferFormat format) {
const auto info = GetFormatInfo(format);
return info.type != ComponentType::Unknown && !info.packed_bitfield &&
info.component_bits[0] == 32u;
}
} // namespace Libs::Graphics::ShaderRecompiler::Format
#endif /* EMULATOR_INCLUDE_EMULATOR_GRAPHICS_SHADER_RECOMPILER_BUFFERFORMAT_H_ */
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