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video_core: Add image support

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This commit is contained in:
raphaelthegreat 2024-05-27 01:07:46 +03:00
parent 729e166cd3
commit d59b102b6f
48 changed files with 1264 additions and 259 deletions
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97
src/shader_recompiler/ir/passes/resource_tracking_pass.cpp
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@ -28,7 +28,6 @@ bool IsBufferInstruction(const IR::Inst& inst) {
case IR::Opcode::LoadBufferF32x3:
case IR::Opcode::LoadBufferF32x4:
case IR::Opcode::ReadConstBuffer:
case IR::Opcode::ReadConstBufferF32:
return true;
default:
return false;
@ -41,6 +40,7 @@ IR::Type BufferLoadType(const IR::Inst& inst) {
case IR::Opcode::LoadBufferF32x2:
case IR::Opcode::LoadBufferF32x3:
case IR::Opcode::LoadBufferF32x4:
case IR::Opcode::ReadConstBuffer:
return IR::Type::F32;
default:
UNREACHABLE();
@ -69,8 +69,10 @@ bool IsImageInstruction(const IR::Inst& inst) {
class Descriptors {
public:
explicit Descriptors(BufferResourceList& buffer_resources_)
: buffer_resources{buffer_resources_} {}
explicit Descriptors(BufferResourceList& buffer_resources_, ImageResourceList& image_resources_,
SamplerResourceList& sampler_resources_)
: buffer_resources{buffer_resources_}, image_resources{image_resources_},
sampler_resources{sampler_resources_} {}
u32 Add(const BufferResource& desc) {
const u32 index{Add(buffer_resources, desc, [&desc](const auto& existing) {
@ -84,6 +86,23 @@ public:
return index;
}
u32 Add(const ImageResource& desc) {
const u32 index{Add(image_resources, desc, [&desc](const auto& existing) {
return desc.sgpr_base == existing.sgpr_base &&
desc.dword_offset == existing.dword_offset && desc.type == existing.type &&
desc.is_storage == existing.is_storage;
})};
return index;
}
u32 Add(const SamplerResource& desc) {
const u32 index{Add(sampler_resources, desc, [&desc](const auto& existing) {
return desc.sgpr_base == existing.sgpr_base &&
desc.dword_offset == existing.dword_offset;
})};
return index;
}
private:
template <typename Descriptors, typename Descriptor, typename Func>
static u32 Add(Descriptors& descriptors, const Descriptor& desc, Func&& pred) {
@ -96,6 +115,8 @@ private:
}
BufferResourceList& buffer_resources;
ImageResourceList& image_resources;
SamplerResourceList& sampler_resources;
};
} // Anonymous namespace
@ -118,8 +139,7 @@ SharpLocation TrackSharp(const IR::Inst* inst) {
// Retrieve SGPR that holds sbase
inst = addr->Arg(0).InstRecursive()->Arg(0).InstRecursive();
ASSERT_MSG(inst->GetOpcode() == IR::Opcode::GetScalarRegister,
"Nested resource loads not supported");
ASSERT_MSG(inst->GetOpcode() == IR::Opcode::GetUserData, "Nested resource loads not supported");
const IR::ScalarReg base = inst->Arg(0).ScalarReg();
// Return retrieved location.
@ -140,7 +160,7 @@ void PatchBufferInstruction(IR::Block& block, IR::Inst& inst, Info& info,
.stride = u32(buffer.stride),
.num_records = u32(buffer.num_records),
.used_types = BufferLoadType(inst),
.is_storage = buffer.base_address % 64 != 0,
.is_storage = /*buffer.base_address % 64 != 0*/ true,
});
const auto inst_info = inst.Flags<IR::BufferInstInfo>();
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
@ -151,6 +171,9 @@ void PatchBufferInstruction(IR::Block& block, IR::Inst& inst, Info& info,
ASSERT(inst_info.nfmt == AmdGpu::NumberFormat::Float &&
inst_info.dmft == AmdGpu::DataFormat::Format32_32_32_32);
}
if (inst.GetOpcode() == IR::Opcode::ReadConstBuffer) {
return;
}
// Calculate buffer address.
const u32 dword_stride = buffer.stride / sizeof(u32);
const u32 dword_offset = inst_info.inst_offset.Value() / sizeof(u32);
@ -160,19 +183,79 @@ void PatchBufferInstruction(IR::Block& block, IR::Inst& inst, Info& info,
} else if (inst_info.index_enable) {
const IR::U32 index{inst.Arg(1)};
address = ir.IAdd(ir.IMul(index, ir.Imm32(dword_stride)), address);
} else if (inst_info.offset_enable) {
const IR::U32 offset{inst.Arg(1)};
}
inst.SetArg(1, address);
}
void PatchImageInstruction(IR::Block& block, IR::Inst& inst, Info& info, Descriptors& descriptors) {
IR::Inst* producer = inst.Arg(0).InstRecursive();
ASSERT(producer->GetOpcode() == IR::Opcode::CompositeConstructU32x2);
// Read image sharp.
const auto tsharp = TrackSharp(producer->Arg(0).InstRecursive());
const auto image = info.ReadUd<AmdGpu::Image>(tsharp.sgpr_base, tsharp.dword_offset);
const auto inst_info = inst.Flags<IR::TextureInstInfo>();
const u32 image_binding = descriptors.Add(ImageResource{
.sgpr_base = tsharp.sgpr_base,
.dword_offset = tsharp.dword_offset,
.type = image.type,
.nfmt = static_cast<AmdGpu::NumberFormat>(image.num_format.Value()),
.is_storage = false,
.is_depth = bool(inst_info.is_depth),
});
// Read sampler sharp.
const auto ssharp = TrackSharp(producer->Arg(1).InstRecursive());
const u32 sampler_binding = descriptors.Add(SamplerResource{
.sgpr_base = ssharp.sgpr_base,
.dword_offset = ssharp.dword_offset,
});
// Patch image handle
const u32 handle = image_binding | (sampler_binding << 16);
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
inst.SetArg(0, ir.Imm32(handle));
// Now that we know the image type, adjust texture coordinate vector.
const IR::Inst* body = inst.Arg(1).InstRecursive();
const auto [coords, arg] = [&] -> std::pair<IR::Value, IR::Value> {
switch (image.type) {
case AmdGpu::ImageType::Color1D:
return {body->Arg(0), body->Arg(1)};
case AmdGpu::ImageType::Color1DArray:
case AmdGpu::ImageType::Color2D:
return {ir.CompositeConstruct(body->Arg(0), body->Arg(1)), body->Arg(2)};
case AmdGpu::ImageType::Color2DArray:
case AmdGpu::ImageType::Color3D:
case AmdGpu::ImageType::Cube:
return {ir.CompositeConstruct(body->Arg(0), body->Arg(1), body->Arg(2)), body->Arg(3)};
default:
UNREACHABLE();
}
}();
inst.SetArg(1, coords);
if (inst_info.has_lod_clamp) {
// Final argument contains lod_clamp
const u32 arg_pos = inst_info.is_depth ? 5 : 4;
inst.SetArg(arg_pos, arg);
}
}
void ResourceTrackingPass(IR::Program& program) {
auto& info = program.info;
Descriptors descriptors{info.buffers};
Descriptors descriptors{info.buffers, info.images, info.samplers};
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
if (IsBufferInstruction(inst)) {
PatchBufferInstruction(*block, inst, info, descriptors);
continue;
}
if (IsImageInstruction(inst)) {
PatchImageInstruction(*block, inst, info, descriptors);
}
}
}
}