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graphics: implement RDNA2 D16 image packing

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This commit is contained in:
nmzik
2026-08-20 18:06:43 +02:00
parent 1190d5de7d
commit 129c64235f
8 changed files with 168 additions and 21 deletions
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src/graphics/shader/recompiler/frontend/translate/Memory.cpp
+16 -8
View File
@@ -94,9 +94,17 @@ IR::Value Translator::ConstructU32x4(const IR::Operand& base, uint32_t count) {
{components[0], components[1], components[2], components[3]});
}
void Translator::WriteImageComponents(const IR::Operand& dst, IR::Value value, uint32_t dmask,
uint32_t component_limit) {
const auto mask = dmask != 0u ? dmask : 1u;
void Translator::WriteImageComponents(const IR::Operand& dst, IR::Value value,
const IR::MemoryInfo& memory, uint32_t component_limit) {
if (memory.data_bits == 16u) {
for (uint32_t index = 0; index < memory.data_dwords; index++) {
WriteOperand(OffsetOperand(dst, index),
ir.Emit(IR::ValueOpcode::CompositeExtractU32x4,
{value, IR::Value(index)}));
}
return;
}
const auto mask = memory.dmask != 0u ? memory.dmask : 1u;
uint32_t dst_index = 0;
for (uint32_t component = 0; component < component_limit; component++) {
if (((mask >> component) & 1u) == 0u) {
@@ -435,20 +443,20 @@ bool Translator::TranslateImageMemory(const IR::Instruction& inst) {
case IR::Opcode::ImageGetResinfo: {
const auto result =
ir.Emit(IR::ValueOpcode::ImageQueryDimensions, {resource, address}, flags);
WriteImageComponents(inst.dst, result, inst.memory.dmask, 4u);
WriteImageComponents(inst.dst, result, inst.memory, 4u);
return true;
}
case IR::Opcode::ImageGetLod: {
const auto sampler = GetSamplerResource(inst.memory);
const auto result =
ir.Emit(IR::ValueOpcode::ImageQueryLod, {resource, sampler, address}, flags);
WriteImageComponents(inst.dst, result, inst.memory.dmask, 2u);
WriteImageComponents(inst.dst, result, inst.memory, 2u);
return true;
}
case IR::Opcode::ImageLoad: {
const auto result =
ir.Emit(IR::ValueOpcode::ImageRead, {resource, address, ir.GetExec()}, flags);
WriteImageComponents(inst.dst, result, inst.memory.dmask, 4u);
WriteImageComponents(inst.dst, result, inst.memory, 4u);
return true;
}
case IR::Opcode::ImageStore: {
@@ -465,7 +473,7 @@ bool Translator::TranslateImageMemory(const IR::Instruction& inst) {
const auto result = ir.Emit(opcode, {resource, sampler, address}, flags);
const bool dref =
(inst.memory.image_sample_flags & Decoder::ImageSampleFlagCompare) != 0u;
if (inst.op == IR::Opcode::ImageSample && dref) {
if (inst.op == IR::Opcode::ImageSample && dref && inst.memory.data_bits != 16u) {
const auto component =
ir.Emit(IR::ValueOpcode::CompositeExtractU32x4, {result, IR::Value(0u)});
for (uint32_t index = 0; index < inst.memory.data_dwords; index++) {
@@ -478,7 +486,7 @@ bool Translator::TranslateImageMemory(const IR::Instruction& inst) {
{result, IR::Value(index)}));
}
} else {
WriteImageComponents(inst.dst, result, inst.memory.dmask, 4u);
WriteImageComponents(inst.dst, result, inst.memory, 4u);
}
return true;
}
src/graphics/shader/recompiler/frontend/translate/Translator.h
+2 -2
View File
@@ -75,8 +75,8 @@ private:
IR::Value GetSamplerResource(const IR::MemoryInfo& memory);
IR::Value MakeImageAddress(const IR::Instruction& inst, const IR::Operand& base);
IR::Value ConstructU32x4(const IR::Operand& base, uint32_t count);
void WriteImageComponents(const IR::Operand& dst, IR::Value value, uint32_t dmask,
uint32_t component_limit);
void WriteImageComponents(const IR::Operand& dst, IR::Value value,
const IR::MemoryInfo& memory, uint32_t component_limit);
IR::ValueOpcode ImageAtomicOpcode(IR::Opcode opcode);
BufferAddress ReadBufferAddress(const IR::Instruction& inst, uint32_t source_offset);
IR::U32 WidenSubdword(IR::Value value, uint32_t bits, bool sign);