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spirv: Initial bindings support

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This commit is contained in:
ReinUsesLisp
2021-02-16 04:10:22 -03:00
committed by ameerj
parent d5d468cf2c
commit b5d7279d87
23 changed files with 679 additions and 300 deletions
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36
src/shader_recompiler/backend/spirv/emit_spirv_memory.cpp
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@ -2,10 +2,26 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <bit>
#include "shader_recompiler/backend/spirv/emit_spirv.h"
namespace Shader::Backend::SPIRV {
static Id StorageIndex(EmitContext& ctx, const IR::Value& offset, size_t element_size) {
if (offset.IsImmediate()) {
const u32 imm_offset{static_cast<u32>(offset.U32() / element_size)};
return ctx.Constant(ctx.U32[1], imm_offset);
}
const u32 shift{static_cast<u32>(std::countr_zero(element_size))};
const Id index{ctx.Def(offset)};
if (shift == 0) {
return index;
}
const Id shift_id{ctx.Constant(ctx.U32[1], shift)};
return ctx.OpShiftRightLogical(ctx.U32[1], index, shift_id);
}
void EmitSPIRV::EmitLoadGlobalU8(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
@ -79,11 +95,14 @@ void EmitSPIRV::EmitLoadStorageS16(EmitContext&) {
}
Id EmitSPIRV::EmitLoadStorage32(EmitContext& ctx, const IR::Value& binding,
[[maybe_unused]] const IR::Value& offset) {
const IR::Value& offset) {
if (!binding.IsImmediate()) {
throw NotImplementedException("Storage buffer indexing");
throw NotImplementedException("Dynamic storage buffer indexing");
}
return ctx.Name(ctx.OpUndef(ctx.u32[1]), "unimplemented_sbuf");
const Id ssbo{ctx.ssbos[binding.U32()]};
const Id index{StorageIndex(ctx, offset, sizeof(u32))};
const Id pointer{ctx.OpAccessChain(ctx.storage_u32, ssbo, ctx.u32_zero_value, index)};
return ctx.OpLoad(ctx.U32[1], pointer);
}
void EmitSPIRV::EmitLoadStorage64(EmitContext&) {
@ -110,8 +129,15 @@ void EmitSPIRV::EmitWriteStorageS16(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitSPIRV::EmitWriteStorage32(EmitContext& ctx) {
ctx.Name(ctx.OpUndef(ctx.u32[1]), "unimplemented_sbuf_store");
void EmitSPIRV::EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding,
const IR::Value& offset, Id value) {
if (!binding.IsImmediate()) {
throw NotImplementedException("Dynamic storage buffer indexing");
}
const Id ssbo{ctx.ssbos[binding.U32()]};
const Id index{StorageIndex(ctx, offset, sizeof(u32))};
const Id pointer{ctx.OpAccessChain(ctx.storage_u32, ssbo, ctx.u32_zero_value, index)};
ctx.OpStore(pointer, value);
}
void EmitSPIRV::EmitWriteStorage64(EmitContext&) {