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[dxso] Shared code for texbem and bem

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Alpyne 2023-06-19 20:14:29 +01:00 committed by Joshie
parent 404c984f9c
commit 24dbcf8fd8
2 changed files with 51 additions and 58 deletions
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103
src/dxso/dxso_compiler.cpp
View File

@ -1856,6 +1856,45 @@ namespace dxvk {
this->emitDstStore(dst, result, mask, ctx.dst.saturate, emitPredicateLoad(ctx), ctx.dst.shift, ctx.dst.id);
}
std::array<uint32_t, 2> DxsoCompiler::emitBem(
const DxsoInstructionContext& ctx,
const DxsoRegisterValue& src0,
const DxsoRegisterValue& src1) {
// For texbem:
// src0 = tc(m), src1 = t(n), dst.x = u', dst.y = v'
// dst.x = src0.x + [bm00(m) * src1.x + bm10(m) * src1.y]
// dst.y = src0.y + [bm01(m) * src1.x + bm11(m) * src1.y]
// But we flipped the bm indices so we can use dot here...
// dst.x = src0.x + dot(bm0, src1)
// dst.y = src0.y + dot(bm1, src1)
std::array<uint32_t, 2> values = { m_module.constf32(0.0f), m_module.constf32(0.0f) };
for (uint32_t i = 0; i < 2; i++) {
uint32_t fl_t = getScalarTypeId(DxsoScalarType::Float32);
uint32_t vec2_t = getVectorTypeId({ DxsoScalarType::Float32, 2 });
std::array<uint32_t, 4> indices = { 0, 1, 2, 3 };
uint32_t tc_m_n = m_module.opCompositeExtract(fl_t, src0.id, 1, &i);
uint32_t offset = m_module.constu32(D3D9SharedPSStages_Count * ctx.dst.id.num + D3D9SharedPSStages_BumpEnvMat0 + i);
uint32_t bm = m_module.opAccessChain(m_module.defPointerType(vec2_t, spv::StorageClassUniform),
m_ps.sharedState, 1, &offset);
bm = m_module.opLoad(vec2_t, bm);
uint32_t t = m_module.opVectorShuffle(vec2_t, src1.id, src1.id, 2, indices.data());
uint32_t dot = m_module.opDot(fl_t, bm, t);
values[i] = m_module.opFAdd(fl_t, tc_m_n, dot);
}
return values;
}
void DxsoCompiler::emitVectorAlu(const DxsoInstructionContext& ctx) {
const auto& src = ctx.src;
@ -2201,35 +2240,8 @@ namespace dxvk {
DxsoRegisterValue src0 = emitRegisterLoad(src[0], mask);
DxsoRegisterValue src1 = emitRegisterLoad(src[1], mask);
// dst.x = src0.x + [bm00(m) * src1.x + bm10(m) * src1.y]
// dst.y = src0.y + [bm01(m) * src1.x + bm11(m) * src1.y]
// But we flipped the bm indices so we can use dot here...
// dst.x = src0.x + dot(bm0, src1)
// dst.y = src0.y + dot(bm1, src1)
std::array<uint32_t, 2> values = { m_module.constf32(0.0f), m_module.constf32(0.0f) };
for (uint32_t i = 0; i < 2; i++) {
uint32_t fl_t = getScalarTypeId(DxsoScalarType::Float32);
uint32_t vec2_t = getVectorTypeId({ DxsoScalarType::Float32, 2 });
std::array<uint32_t, 4> indices = { 0, 1, 2, 3 };
uint32_t tc_m_n = m_module.opCompositeExtract(fl_t, src0.id, 1, &i);
uint32_t offset = m_module.constu32(D3D9SharedPSStages_Count * ctx.dst.id.num + D3D9SharedPSStages_BumpEnvMat0 + i);
uint32_t bm = m_module.opAccessChain(m_module.defPointerType(vec2_t, spv::StorageClassUniform),
m_ps.sharedState, 1, &offset);
bm = m_module.opLoad(vec2_t, bm);
uint32_t t = m_module.opVectorShuffle(vec2_t, src1.id, src1.id, 2, indices.data());
uint32_t dot = m_module.opDot(fl_t, bm, t);
values[i] = m_module.opFAdd(fl_t, tc_m_n, dot);
}
result.id = m_module.opCompositeConstruct(typeId, values.size(), values.data());
auto values = emitBem(ctx, src0, src1);
result.id = m_module.opCompositeConstruct(typeId, values.size(), values.data());
break;
}
case DxsoOpcode::Cnd: {
@ -2772,35 +2784,10 @@ void DxsoCompiler::emitControlFlowGenericLoop(
// The projection (/.w) happens before this...
// Of course it does...
texcoordVar.id = DoProjection(texcoordVar, true);
// u' = tc(m).x + [bm00(m) * t(n).x + bm10(m) * t(n).y]
// v' = tc(m).y + [bm01(m) * t(n).x + bm11(m) * t(n).y]
// But we flipped the bm indices so we can use dot here...
// u' = tc(m).x + dot(bm0, tn)
// v' = tc(m).y + dot(bm1, tn)
for (uint32_t i = 0; i < 2; i++) {
uint32_t fl_t = getScalarTypeId(DxsoScalarType::Float32);
uint32_t vec2_t = getVectorTypeId({ DxsoScalarType::Float32, 2 });
std::array<uint32_t, 4> indices = { 0, 1, 2, 3 };
uint32_t tc_m_n = m_module.opCompositeExtract(fl_t, texcoordVar.id, 1, &i);
uint32_t offset = m_module.constu32(D3D9SharedPSStages_Count * ctx.dst.id.num + D3D9SharedPSStages_BumpEnvMat0 + i);
uint32_t bm = m_module.opAccessChain(m_module.defPointerType(vec2_t, spv::StorageClassUniform),
m_ps.sharedState, 1, &offset);
bm = m_module.opLoad(vec2_t, bm);
uint32_t t = m_module.opVectorShuffle(vec2_t, n.id, n.id, 2, indices.data());
uint32_t dot = m_module.opDot(fl_t, bm, t);
uint32_t result = m_module.opFAdd(fl_t, tc_m_n, dot);
texcoordVar.id = m_module.opCompositeInsert(getVectorTypeId(texcoordVar.type), result, texcoordVar.id, 1, &i);
}
texcoordVar.id = DoProjection(texcoordVar, true);
auto values = emitBem(ctx, texcoordVar, n);
for (uint32_t i = 0; i < 2; i++)
texcoordVar.id = m_module.opCompositeInsert(getVectorTypeId(texcoordVar.type), values[i], texcoordVar.id, 1, &i);
}
else if (opcode == DxsoOpcode::TexReg2Ar) {
texcoordVar = emitRegisterLoad(ctx.src[0], srcMask);

6
src/dxso/dxso_compiler.h
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@ -621,6 +621,12 @@ namespace dxvk {
return this->emitRegisterLoad(lookup, writeMask);
}
std::array<uint32_t, 2> emitBem(
const DxsoInstructionContext& ctx,
const DxsoRegisterValue& src0,
const DxsoRegisterValue& src1
);
///////////////////////////////
// Handle shader ops
void emitDcl(const DxsoInstructionContext& ctx);