mirror of
https://github.com/KytyPS5/KytyPS5.git
synced 2026-08-19 06:52:36 +00:00
351 lines
15 KiB
C++
351 lines
15 KiB
C++
#include "graphics/shader/recompiler/frontend/decode/ImageOps.h"
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#include "graphics/shader/recompiler/frontend/decode/OpcodeTable.h"
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#include <algorithm>
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namespace Libs::Graphics::ShaderRecompiler::Decoder {
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namespace {
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struct MimgSampleInfo {
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uint32_t encoding = 0;
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const char* name = nullptr;
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uint32_t flags = 0;
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uint32_t address_components = 3;
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};
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struct MimgGatherInfo {
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uint32_t encoding = 0;
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const char* name = nullptr;
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Opcode decoded = Opcode::UNSUPPORTED;
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uint32_t flags = 0;
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uint32_t address_components = 3;
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};
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struct MimgAtomicInfo {
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uint32_t encoding = 0;
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const char* name = nullptr;
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Opcode decoded = Opcode::UNSUPPORTED;
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};
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constexpr ImageDimension DecodeImageDimension(uint32_t dim) {
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switch (dim) {
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case 0u: return ImageDimension::Dim1D;
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case 1u: return ImageDimension::Dim2D;
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case 2u: return ImageDimension::Dim3D;
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case 3u: return ImageDimension::Dim2DArray;
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case 4u: return ImageDimension::Dim1DArray;
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case 5u: return ImageDimension::Dim2DArray;
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case 6u: return ImageDimension::Dim2DMsaa;
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case 7u: return ImageDimension::Dim2DMsaaArray;
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default: return ImageDimension::Unknown;
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}
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}
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constexpr uint32_t ImageCoordComponents(ImageDimension dimension) {
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switch (dimension) {
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case ImageDimension::Dim1D: return 1u;
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case ImageDimension::Dim1DArray: return 2u;
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case ImageDimension::Dim2DMsaa:
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case ImageDimension::Dim3D:
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case ImageDimension::Dim2DArray: return 3u;
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case ImageDimension::Dim2DMsaaArray: return 4u;
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default: return 2u;
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}
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}
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constexpr uint32_t ImageGradientComponents(ImageDimension dimension) {
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switch (dimension) {
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case ImageDimension::Dim1D:
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case ImageDimension::Dim1DArray: return 1u;
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case ImageDimension::Dim3D: return 3u;
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default: return 2u;
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}
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}
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constexpr uint32_t ImageSampleAddressComponents(uint32_t flags, ImageDimension dimension) {
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const auto coord_components = ImageCoordComponents(dimension);
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uint32_t components = coord_components;
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if ((flags & ImageSampleFlagOffset) != 0) {
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components++;
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}
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if ((flags & ImageSampleFlagCompare) != 0) {
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components++;
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}
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if ((flags & ImageSampleFlagBias) != 0) {
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components++;
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}
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if ((flags & ImageSampleFlagLod) != 0) {
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components++;
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}
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if ((flags & ImageSampleFlagDerivative) != 0) {
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components += ImageGradientComponents(dimension) * 2u;
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}
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return components;
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}
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constexpr MimgSampleInfo SampleInfo(uint32_t opcode, const char* name, uint32_t flags) {
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return {opcode, name, flags, ImageSampleAddressComponents(flags, ImageDimension::Dim2D)};
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}
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constexpr MimgSampleInfo MIMG_SAMPLE_OPCODE_LIST[] = {
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SampleInfo(0x20u, "image_sample", 0),
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SampleInfo(0x21u, "image_sample_cl", ImageSampleFlagLodClamp),
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SampleInfo(0x22u, "image_sample_d", ImageSampleFlagDerivative),
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SampleInfo(0x23u, "image_sample_d_cl", ImageSampleFlagDerivative | ImageSampleFlagLodClamp),
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SampleInfo(0x24u, "image_sample_l", ImageSampleFlagLod),
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SampleInfo(0x25u, "image_sample_b", ImageSampleFlagBias),
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SampleInfo(0x26u, "image_sample_b_cl", ImageSampleFlagBias | ImageSampleFlagLodClamp),
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SampleInfo(0x27u, "image_sample_lz", ImageSampleFlagLevelZero),
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SampleInfo(0x28u, "image_sample_c", ImageSampleFlagCompare),
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SampleInfo(0x29u, "image_sample_c_cl", ImageSampleFlagCompare | ImageSampleFlagLodClamp),
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SampleInfo(0x2au, "image_sample_c_d", ImageSampleFlagCompare | ImageSampleFlagDerivative),
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SampleInfo(0x2bu, "image_sample_c_d_cl",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagLodClamp),
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SampleInfo(0x2cu, "image_sample_c_l", ImageSampleFlagCompare | ImageSampleFlagLod),
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SampleInfo(0x2du, "image_sample_c_b", ImageSampleFlagCompare | ImageSampleFlagBias),
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SampleInfo(0x2eu, "image_sample_c_b_cl",
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ImageSampleFlagCompare | ImageSampleFlagBias | ImageSampleFlagLodClamp),
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SampleInfo(0x2fu, "image_sample_c_lz", ImageSampleFlagCompare | ImageSampleFlagLevelZero),
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SampleInfo(0x30u, "image_sample_o", ImageSampleFlagOffset),
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SampleInfo(0x31u, "image_sample_cl_o", ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0x32u, "image_sample_d_o", ImageSampleFlagDerivative | ImageSampleFlagOffset),
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SampleInfo(0x33u, "image_sample_d_cl_o",
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ImageSampleFlagDerivative | ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0x34u, "image_sample_l_o", ImageSampleFlagLod | ImageSampleFlagOffset),
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SampleInfo(0x35u, "image_sample_b_o", ImageSampleFlagBias | ImageSampleFlagOffset),
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SampleInfo(0x36u, "image_sample_b_cl_o",
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ImageSampleFlagBias | ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0x37u, "image_sample_lz_o", ImageSampleFlagLevelZero | ImageSampleFlagOffset),
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SampleInfo(0x38u, "image_sample_c_o", ImageSampleFlagCompare | ImageSampleFlagOffset),
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SampleInfo(0x39u, "image_sample_c_cl_o",
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ImageSampleFlagCompare | ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0x3au, "image_sample_c_d_o",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagOffset),
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SampleInfo(0x3bu, "image_sample_c_d_cl_o",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagLodClamp |
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ImageSampleFlagOffset),
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SampleInfo(0x3cu, "image_sample_c_l_o",
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ImageSampleFlagCompare | ImageSampleFlagLod | ImageSampleFlagOffset),
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SampleInfo(0x3du, "image_sample_c_b_o",
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ImageSampleFlagCompare | ImageSampleFlagBias | ImageSampleFlagOffset),
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SampleInfo(0x3eu, "image_sample_c_b_cl_o",
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ImageSampleFlagCompare | ImageSampleFlagBias | ImageSampleFlagLodClamp |
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ImageSampleFlagOffset),
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SampleInfo(0x3fu, "image_sample_c_lz_o",
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ImageSampleFlagCompare | ImageSampleFlagLevelZero | ImageSampleFlagOffset),
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SampleInfo(0x68u, "image_sample_cd", ImageSampleFlagDerivative | ImageSampleFlagCd),
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SampleInfo(0x69u, "image_sample_cd_cl",
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ImageSampleFlagDerivative | ImageSampleFlagCd | ImageSampleFlagLodClamp),
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SampleInfo(0x6au, "image_sample_c_cd",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagCd),
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SampleInfo(0x6bu, "image_sample_c_cd_cl",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagCd |
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ImageSampleFlagLodClamp),
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SampleInfo(0x6cu, "image_sample_cd_o",
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ImageSampleFlagDerivative | ImageSampleFlagCd | ImageSampleFlagOffset),
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SampleInfo(0x6du, "image_sample_cd_cl_o",
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ImageSampleFlagDerivative | ImageSampleFlagCd | ImageSampleFlagLodClamp |
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ImageSampleFlagOffset),
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SampleInfo(0x6eu, "image_sample_c_cd_o",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagCd |
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ImageSampleFlagOffset),
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SampleInfo(0x6fu, "image_sample_c_cd_cl_o",
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ImageSampleFlagCompare | ImageSampleFlagDerivative | ImageSampleFlagCd |
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ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0xa0u, "image_sample_a", 0),
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SampleInfo(0xa1u, "image_sample_cl_a", ImageSampleFlagLodClamp),
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SampleInfo(0xa5u, "image_sample_b_a", ImageSampleFlagBias),
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SampleInfo(0xa6u, "image_sample_b_cl_a", ImageSampleFlagBias | ImageSampleFlagLodClamp),
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SampleInfo(0xa8u, "image_sample_c_a", ImageSampleFlagCompare),
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SampleInfo(0xa9u, "image_sample_c_cl_a", ImageSampleFlagCompare | ImageSampleFlagLodClamp),
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SampleInfo(0xadu, "image_sample_c_b_a", ImageSampleFlagCompare | ImageSampleFlagBias),
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SampleInfo(0xaeu, "image_sample_c_b_cl_a",
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ImageSampleFlagCompare | ImageSampleFlagBias | ImageSampleFlagLodClamp),
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SampleInfo(0xb0u, "image_sample_o_a", ImageSampleFlagOffset),
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SampleInfo(0xb1u, "image_sample_cl_o_a", ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0xb5u, "image_sample_b_o_a", ImageSampleFlagBias | ImageSampleFlagOffset),
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SampleInfo(0xb6u, "image_sample_b_cl_o_a",
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ImageSampleFlagBias | ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0xb8u, "image_sample_c_o_a", ImageSampleFlagCompare | ImageSampleFlagOffset),
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SampleInfo(0xb9u, "image_sample_c_cl_o_a",
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ImageSampleFlagCompare | ImageSampleFlagLodClamp | ImageSampleFlagOffset),
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SampleInfo(0xbdu, "image_sample_c_b_o_a",
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ImageSampleFlagCompare | ImageSampleFlagBias | ImageSampleFlagOffset),
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SampleInfo(0xbeu, "image_sample_c_b_cl_o_a",
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ImageSampleFlagCompare | ImageSampleFlagBias | ImageSampleFlagLodClamp |
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ImageSampleFlagOffset),
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};
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constexpr MimgGatherInfo MIMG_GATHER_OPCODE_LIST[] = {
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{0x47u, "image_gather4_lz", Opcode::IMAGE_GATHER4_LZ, ImageSampleFlagLevelZero, 2u},
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{0x48u, "image_gather4_c", Opcode::IMAGE_GATHER4_C, ImageSampleFlagCompare, 3u},
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{0x4fu, "image_gather4_c_lz", Opcode::IMAGE_GATHER4_C_LZ,
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ImageSampleFlagCompare | ImageSampleFlagLevelZero, 3u},
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{0x57u, "image_gather4_lz_o", Opcode::IMAGE_GATHER4_LZ_O,
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ImageSampleFlagLevelZero | ImageSampleFlagOffset, 3u},
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{0x58u, "image_gather4_c_o", Opcode::IMAGE_GATHER4_C_O,
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ImageSampleFlagCompare | ImageSampleFlagOffset, 4u},
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{0x5fu, "image_gather4_c_lz_o", Opcode::IMAGE_GATHER4_C_LZ_O,
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ImageSampleFlagCompare | ImageSampleFlagLevelZero | ImageSampleFlagOffset, 4u},
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{0x61u, "image_gather4h", Opcode::IMAGE_GATHER4H, ImageSampleFlagGatherHorizontal, 2u},
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};
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constexpr MimgAtomicInfo MIMG_ATOMIC_OPCODE_LIST[] = {
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{0x11u, "image_atomic_add", Opcode::IMAGE_ATOMIC_ADD},
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{0x15u, "image_atomic_umin", Opcode::IMAGE_ATOMIC_UMIN},
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{0x17u, "image_atomic_umax", Opcode::IMAGE_ATOMIC_UMAX},
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{0x18u, "image_atomic_and", Opcode::IMAGE_ATOMIC_AND},
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{0x19u, "image_atomic_or", Opcode::IMAGE_ATOMIC_OR},
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{0x1au, "image_atomic_xor", Opcode::IMAGE_ATOMIC_XOR},
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};
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constexpr auto MIMG_SAMPLE_OPS = Detail::MakeOpcodeTable<0x100>(MIMG_SAMPLE_OPCODE_LIST);
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constexpr auto MIMG_GATHER_OPS = Detail::MakeOpcodeTable<0x100>(MIMG_GATHER_OPCODE_LIST);
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constexpr auto MIMG_ATOMIC_OPS = Detail::MakeOpcodeTable<0x100>(MIMG_ATOMIC_OPCODE_LIST);
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const MimgSampleInfo* LookupSample(uint32_t opcode) {
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return Detail::FindOpcode(MIMG_SAMPLE_OPS, opcode);
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}
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const MimgGatherInfo* LookupGather(uint32_t opcode) {
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return Detail::FindOpcode(MIMG_GATHER_OPS, opcode);
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}
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const MimgAtomicInfo* LookupAtomic(uint32_t opcode) {
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return Detail::FindOpcode(MIMG_ATOMIC_OPS, opcode);
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}
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Opcode DecodeMimgOpcode(uint32_t opcode, const MimgSampleInfo* sample, const MimgGatherInfo* gather,
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const MimgAtomicInfo* atomic) {
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if (sample != nullptr) {
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return Opcode::IMAGE_SAMPLE;
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}
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if (gather != nullptr) {
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return gather->decoded;
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}
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if (atomic != nullptr) {
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return atomic->decoded;
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}
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switch (opcode) {
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case 0x00u: return Opcode::IMAGE_LOAD;
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case 0x01u: return Opcode::IMAGE_LOAD_MIP;
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case 0x08u: return Opcode::IMAGE_STORE;
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case 0x09u: return Opcode::IMAGE_STORE_MIP;
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case 0x0eu: return Opcode::IMAGE_GET_RESINFO;
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case 0x60u: return Opcode::IMAGE_GET_LOD;
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default: return Opcode::UNSUPPORTED;
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}
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}
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uint32_t DecodeMimgSampleFlags(const MimgSampleInfo* sample, const MimgGatherInfo* gather) {
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if (sample != nullptr) {
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return sample->flags;
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}
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if (gather != nullptr) {
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return gather->flags;
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}
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return 0;
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}
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uint32_t DecodeMimgAddressComponents(uint32_t opcode, ImageDimension dimension,
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const MimgSampleInfo* sample, const MimgGatherInfo* gather,
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const MimgAtomicInfo* atomic) {
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if (sample != nullptr) {
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return ImageSampleAddressComponents(sample->flags, dimension);
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}
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if (gather != nullptr) {
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return ImageSampleAddressComponents(gather->flags, dimension);
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}
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if (atomic != nullptr) {
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return ImageCoordComponents(dimension);
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}
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switch (opcode) {
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case 0x01u:
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case 0x09u: return ImageCoordComponents(dimension) + 1u;
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case 0x00u:
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case 0x08u:
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case 0x60u: return ImageCoordComponents(dimension);
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default: return 0;
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}
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}
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uint32_t CountDmaskComponents(uint32_t dmask) {
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uint32_t count = 0;
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for (uint32_t i = 0; i < 4u; i++) {
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count += (dmask >> i) & 1u;
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}
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return count != 0 ? count : 1u;
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}
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bool IsSingleDmaskBit(uint32_t dmask) {
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return dmask != 0u && (dmask & (dmask - 1u)) == 0u;
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}
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} // namespace
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void DecodeMimg(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index,
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Instruction& inst) {
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const uint32_t word0 = code[word_index];
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const uint32_t word1 = code[word_index + 1u];
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const uint32_t opcode = ((word0 >> 18u) & 0x7fu) | ((word0 & 1u) << 7u);
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const uint32_t nsa_dwords = (word0 >> 1u) & 0x3u;
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const auto dimension = DecodeImageDimension((word0 >> 3u) & 0x7u);
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const uint32_t word_count = 2u + nsa_dwords;
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const uint32_t vdata = (word1 >> 8u) & 0xffu;
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const uint32_t vaddr = word1 & 0xffu;
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const uint32_t srsrc = (word1 >> 16u) & 0x1fu;
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const uint32_t ssamp = (word1 >> 21u) & 0x1fu;
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const bool a16 = ((word1 >> 30u) & 0x1u) != 0u;
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const auto* sample = LookupSample(opcode);
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const auto* gather = LookupGather(opcode);
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const auto* atomic = LookupAtomic(opcode);
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inst.pc = pc;
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inst.word = word0;
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inst.word_count = word_count;
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inst.family = Family::MIMG;
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inst.opcode_id = opcode;
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inst.opcode = DecodeMimgOpcode(opcode, sample, gather, atomic);
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inst.dmask = (word0 >> 8u) & 0xfu;
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inst.data_dwords = gather != nullptr ? 4u : CountDmaskComponents(inst.dmask);
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inst.glc = ((word0 >> 13u) & 1u) != 0;
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inst.slc = ((word0 >> 25u) & 1u) != 0;
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inst.image_sample_flags = DecodeMimgSampleFlags(sample, gather);
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if (a16) {
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inst.image_sample_flags |= ImageSampleFlagA16;
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}
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inst.image_dimension = dimension;
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inst.image_nsa_dwords = nsa_dwords;
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for (uint32_t i = 0; i < nsa_dwords * 4u; i++) {
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inst.image_nsa_addr[i] = (code[word_index + 2u + i / 4u] >> ((i % 4u) * 8u)) & 0xffu;
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}
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inst.image_address_components =
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DecodeMimgAddressComponents(opcode, dimension, sample, gather, atomic);
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SetRawWords(inst, code, word_index, word_count);
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if (inst.opcode == Opcode::UNSUPPORTED) {
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SetUnsupported(inst, Family::MIMG, opcode, "MIMG opcode is not implemented");
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}
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if (gather != nullptr && !IsSingleDmaskBit(inst.dmask)) {
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SetUnsupported(inst, Family::MIMG, opcode,
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"MIMG image gather requires exactly one dmask bit");
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}
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DecodeVectorGpr(vdata, inst.dst);
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DecodeVectorGpr(vaddr, inst.src0);
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DecodeScalarSource(srsrc * 4u, pc, inst.src1, nullptr);
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DecodeScalarSource(ssamp * 4u, pc, inst.src2, nullptr);
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inst.src_count = 3;
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}
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const char* MimgSampleOpcodeName(uint32_t opcode) {
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const auto* sample = LookupSample(opcode);
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return sample != nullptr ? sample->name : nullptr;
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}
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} // namespace Libs::Graphics::ShaderRecompiler::Decoder
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