Mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-05-19 09:54:54 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

shader_recompiler: basic implementation of BUFFER_STORE_FORMAT_ (#431)

Browse source 
* shader_recompiler: basic implementation of buffer store w\ fmt conversion

* added `Format16` dfmt
This commit is contained in:
psucien 2024-08-15 00:15:07 +02:00 • committed by GitHub
parent 6f4e1a47b9
commit 9adc638220
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
9 changed files with 165 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

92
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View file

@ -467,4 +467,96 @@ void EmitStoreBufferU32(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address
EmitStoreBufferF32xN<1>(ctx, handle, address, value);
}
static Id ConvertF32ToFormat(EmitContext& ctx, Id value, AmdGpu::NumberFormat format,
u32 bit_width) {
switch (format) {
case AmdGpu::NumberFormat::Unorm:
return ctx.OpConvertFToU(
ctx.U32[1], ctx.OpFMul(ctx.F32[1], value, ctx.ConstF32(float(UXBitsMax(bit_width)))));
case AmdGpu::NumberFormat::Uint:
return ctx.OpBitcast(ctx.U32[1], value);
case AmdGpu::NumberFormat::Float:
return value;
default:
UNREACHABLE_MSG("Unsupported number fromat for conversion: {}",
magic_enum::enum_name(format));
}
}
template <u32 N>
static void EmitStoreBufferFormatF32xN(EmitContext& ctx, u32 handle, Id address, Id value) {
auto& buffer = ctx.buffers[handle];
const auto format = buffer.buffer.GetDataFmt();
const auto num_format = buffer.buffer.GetNumberFmt();
switch (format) {
case AmdGpu::DataFormat::FormatInvalid:
return;
case AmdGpu::DataFormat::Format8_8_8_8:
case AmdGpu::DataFormat::Format16:
case AmdGpu::DataFormat::Format32:
case AmdGpu::DataFormat::Format32_32_32_32: {
ASSERT(N == AmdGpu::NumComponents(format));
address = ctx.OpIAdd(ctx.U32[1], address, buffer.offset);
const Id index = ctx.OpShiftRightLogical(ctx.U32[1], address, ctx.ConstU32(2u));
const Id ptr = ctx.OpAccessChain(buffer.pointer_type, buffer.id, ctx.u32_zero_value, index);
Id packed_value{};
for (u32 i = 0; i < N; i++) {
const u32 bit_width = AmdGpu::ComponentBits(format, i);
const u32 bit_offset = AmdGpu::ComponentOffset(format, i) % 32;
const Id comp{ConvertF32ToFormat(
ctx, N == 1 ? value : ctx.OpCompositeExtract(ctx.F32[1], value, i), num_format,
bit_width)};
if (bit_width == 32) {
if constexpr (N == 1) {
ctx.OpStore(ptr, comp);
} else {
const Id index_i = ctx.OpIAdd(ctx.U32[1], index, ctx.ConstU32(i));
const Id ptr = ctx.OpAccessChain(buffer.pointer_type, buffer.id,
ctx.u32_zero_value, index_i);
ctx.OpStore(ptr, comp);
}
} else {
if (i == 0) {
packed_value = comp;
} else {
packed_value =
ctx.OpBitFieldInsert(ctx.U32[1], packed_value, comp,
ctx.ConstU32(bit_offset), ctx.ConstU32(bit_width));
}
if (i == N - 1) {
ctx.OpStore(ptr, packed_value);
}
}
}
} break;
default:
UNREACHABLE_MSG("Invalid format for conversion: {}", magic_enum::enum_name(format));
}
}
void EmitStoreBufferFormatF32(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value) {
EmitStoreBufferFormatF32xN<1>(ctx, handle, address, value);
}
void EmitStoreBufferFormatF32x2(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address,
Id value) {
EmitStoreBufferFormatF32xN<2>(ctx, handle, address, value);
}
void EmitStoreBufferFormatF32x3(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address,
Id value) {
EmitStoreBufferFormatF32xN<3>(ctx, handle, address, value);
}
void EmitStoreBufferFormatF32x4(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address,
Id value) {
EmitStoreBufferFormatF32xN<4>(ctx, handle, address, value);
}
} // namespace Shader::Backend::SPIRV

4
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
View file

@ -76,6 +76,10 @@ void EmitStoreBufferF32(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address
void EmitStoreBufferF32x2(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferF32x3(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferF32x4(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferFormatF32(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferFormatF32x2(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferFormatF32x3(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferFormatF32x4(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
void EmitStoreBufferU32(EmitContext& ctx, IR::Inst* inst, u32 handle, Id address, Id value);
Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, u32 comp);
Id EmitGetAttributeU32(EmitContext& ctx, IR::Attribute attr, u32 comp);