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shader_recompiler: Improvements to array and cube handling. (#2083)

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* shader_recompiler: Account for instruction array flag in image type.

* shader_recompiler: Check da flag for all mimg instructions.

* shader_recompiler: Convert cube images into 2D arrays.

* shader_recompiler: Move image resource functions into sharp type.

* shader_recompiler: Use native AMD cube instructions when possible.

* specialization: Fix buffer storage mistake.
This commit is contained in:
squidbus 2025-01-10 00:48:12 -08:00 • committed by GitHub
parent 93402620de
commit 725814ce01
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GPG key ID: B5690EEEBB952194
28 changed files with 217 additions and 144 deletions
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46
src/shader_recompiler/ir/passes/resource_tracking_pass.cpp
View file

@ -161,10 +161,9 @@ public:
u32 Add(const ImageResource& desc) {
const u32 index{Add(image_resources, desc, [&desc](const auto& existing) {
return desc.sharp_idx == existing.sharp_idx;
return desc.sharp_idx == existing.sharp_idx && desc.is_array == existing.is_array;
})};
auto& image = image_resources[index];
image.is_read |= desc.is_read;
image.is_written |= desc.is_written;
return index;
}
@ -361,7 +360,6 @@ void PatchImageSharp(IR::Block& block, IR::Inst& inst, Info& info, Descriptors&
image = AmdGpu::Image::Null();
}
ASSERT(image.GetType() != AmdGpu::ImageType::Invalid);
const bool is_read = inst.GetOpcode() == IR::Opcode::ImageRead;
const bool is_written = inst.GetOpcode() == IR::Opcode::ImageWrite;
// Patch image instruction if image is FMask.
@ -402,7 +400,6 @@ void PatchImageSharp(IR::Block& block, IR::Inst& inst, Info& info, Descriptors&
.is_depth = bool(inst_info.is_depth),
.is_atomic = IsImageAtomicInstruction(inst),
.is_array = bool(inst_info.is_array),
.is_read = is_read,
.is_written = is_written,
});
@ -560,32 +557,6 @@ void PatchTextureBufferArgs(IR::Block& block, IR::Inst& inst, Info& info) {
}
}
IR::Value PatchCubeCoord(IR::IREmitter& ir, const IR::Value& s, const IR::Value& t,
const IR::Value& z, bool is_written, bool is_array) {
// When cubemap is written with imageStore it is treated like 2DArray.
if (is_written) {
return ir.CompositeConstruct(s, t, z);
}
ASSERT(s.Type() == IR::Type::F32); // in case of fetched image need to adjust the code below
// We need to fix x and y coordinate,
// because the s and t coordinate will be scaled and plus 1.5 by v_madak_f32.
// We already force the scale value to be 1.0 when handling v_cubema_f32,
// here we subtract 1.5 to recover the original value.
const IR::Value x = ir.FPSub(IR::F32{s}, ir.Imm32(1.5f));
const IR::Value y = ir.FPSub(IR::F32{t}, ir.Imm32(1.5f));
if (is_array) {
const IR::U32 array_index = ir.ConvertFToU(32, IR::F32{z});
const IR::U32 face_id = ir.BitwiseAnd(array_index, ir.Imm32(7u));
const IR::U32 slice_id = ir.ShiftRightLogical(array_index, ir.Imm32(3u));
return ir.CompositeConstruct(x, y, ir.ConvertIToF(32, 32, false, face_id),
ir.ConvertIToF(32, 32, false, slice_id));
} else {
return ir.CompositeConstruct(x, y, z);
}
}
void PatchImageSampleArgs(IR::Block& block, IR::Inst& inst, Info& info,
const AmdGpu::Image& image) {
const auto handle = inst.Arg(0);
@ -649,7 +620,6 @@ void PatchImageSampleArgs(IR::Block& block, IR::Inst& inst, Info& info,
case AmdGpu::ImageType::Color2DMsaa:
return ir.CompositeConstruct(read(0), read(8));
case AmdGpu::ImageType::Color3D:
case AmdGpu::ImageType::Cube:
return ir.CompositeConstruct(read(0), read(8), read(16));
default:
UNREACHABLE();
@ -675,7 +645,6 @@ void PatchImageSampleArgs(IR::Block& block, IR::Inst& inst, Info& info,
return {ir.CompositeConstruct(get_addr_reg(addr_reg - 4), get_addr_reg(addr_reg - 3)),
ir.CompositeConstruct(get_addr_reg(addr_reg - 2), get_addr_reg(addr_reg - 1))};
case AmdGpu::ImageType::Color3D:
case AmdGpu::ImageType::Cube:
// (du/dx, dv/dx, dw/dx), (du/dy, dv/dy, dw/dy)
addr_reg = addr_reg + 6;
return {ir.CompositeConstruct(get_addr_reg(addr_reg - 6), get_addr_reg(addr_reg - 5),
@ -691,7 +660,8 @@ void PatchImageSampleArgs(IR::Block& block, IR::Inst& inst, Info& info,
// Query dimensions of image if needed for normalization.
// We can't use the image sharp because it could be bound to a different image later.
const auto dimensions =
unnormalized ? ir.ImageQueryDimension(handle, ir.Imm32(0u), ir.Imm1(false)) : IR::Value{};
unnormalized ? ir.ImageQueryDimension(handle, ir.Imm32(0u), ir.Imm1(false), inst_info)
: IR::Value{};
const auto get_coord = [&](u32 coord_idx, u32 dim_idx) -> IR::Value {
const auto coord = get_addr_reg(coord_idx);
if (unnormalized) {
@ -724,10 +694,6 @@ void PatchImageSampleArgs(IR::Block& block, IR::Inst& inst, Info& info,
addr_reg = addr_reg + 3;
return ir.CompositeConstruct(get_coord(addr_reg - 3, 0), get_coord(addr_reg - 2, 1),
get_coord(addr_reg - 1, 2));
case AmdGpu::ImageType::Cube: // x, y, face
addr_reg = addr_reg + 3;
return PatchCubeCoord(ir, get_coord(addr_reg - 3, 0), get_coord(addr_reg - 2, 1),
get_addr_reg(addr_reg - 1), false, inst_info.is_array);
default:
UNREACHABLE();
}
@ -805,10 +771,6 @@ void PatchImageArgs(IR::Block& block, IR::Inst& inst, Info& info) {
[[fallthrough]];
case AmdGpu::ImageType::Color3D: // x, y, z, [lod]
return {ir.CompositeConstruct(body->Arg(0), body->Arg(1), body->Arg(2)), body->Arg(3)};
case AmdGpu::ImageType::Cube: // x, y, face, [lod]
return {PatchCubeCoord(ir, body->Arg(0), body->Arg(1), body->Arg(2),
inst.GetOpcode() == IR::Opcode::ImageWrite, inst_info.is_array),
body->Arg(3)};
default:
UNREACHABLE_MSG("Unknown image type {}", image.GetType());
}
@ -820,7 +782,7 @@ void PatchImageArgs(IR::Block& block, IR::Inst& inst, Info& info) {
const auto lod = inst_info.has_lod ? IR::U32{arg} : IR::U32{};
const auto ms = has_ms ? IR::U32{arg} : IR::U32{};
const auto is_storage = image_res.IsStorage(image);
const auto is_storage = image_res.is_written;
if (inst.GetOpcode() == IR::Opcode::ImageRead) {
auto texel = ir.ImageRead(handle, coords, lod, ms, inst_info);
if (is_storage) {

2
src/shader_recompiler/ir/passes/shader_info_collection_pass.cpp
View file

@ -5,7 +5,7 @@
namespace Shader::Optimization {
void Visit(Info& info, IR::Inst& inst) {
void Visit(Info& info, const IR::Inst& inst) {
switch (inst.GetOpcode()) {
case IR::Opcode::GetAttribute:
case IR::Opcode::GetAttributeU32: