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[dxso] Apply projection before bumpmapping in TexBem

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Also fixes us to use the correct stage id for TexBem matrix indices...

What a truly terrible API this is. This literally makes 0 sense.

This function needs a massive cleanup later too.

Closes #1387
This commit is contained in:
Joshua Ashton 2020-01-31 00:33:41 +00:00
parent 6a5d472e60
commit 1abacc947c
1 changed files with 38 additions and 11 deletions
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49
src/dxso/dxso_compiler.cpp
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@ -2509,6 +2509,12 @@ void DxsoCompiler::emitControlFlowGenericLoop(
DxsoRegMask vec3Mask(true, true, true, false);
DxsoRegMask srcMask (true, true, true, true);
auto GetProjectionValue = [&]() {
uint32_t w = 3;
return m_module.opCompositeExtract(
m_module.defFloatType(32), texcoordVar.id, 1, &w);
};
if (opcode == DxsoOpcode::TexM3x2Tex || opcode == DxsoOpcode::TexM3x3Tex || opcode == DxsoOpcode::TexM3x3Spec || opcode == DxsoOpcode::TexM3x3VSpec) {
const uint32_t count = opcode == DxsoOpcode::TexM3x2Tex ? 2 : 3;
@ -2564,6 +2570,28 @@ void DxsoCompiler::emitControlFlowGenericLoop(
auto n = emitRegisterLoad(ctx.src[0], srcMask);
texcoordVar = m;
samplerIdx = ctx.dst.id.num;
uint32_t texcoord_t = getVectorTypeId(texcoordVar.type);
// The projection (/.w) happens before this...
// Of course it does...
uint32_t bool_t = m_module.defBoolType();
uint32_t shouldProj = m_module.opBitFieldUExtract(
m_module.defIntType(32, 0), m_ps.projectionSpec,
m_module.consti32(samplerIdx), m_module.consti32(1));
shouldProj = m_module.opIEqual(bool_t, shouldProj, m_module.constu32(1));
uint32_t bvec4_t = m_module.defVectorType(bool_t, 4);
std::array<uint32_t, 4> indices = { shouldProj, shouldProj, shouldProj, shouldProj };
shouldProj = m_module.opCompositeConstruct(bvec4_t, indices.size(), indices.data());
uint32_t projScalar = m_module.opFDiv(m_module.defFloatType(32), m_module.constf32(1.0), GetProjectionValue());
uint32_t projResult = m_module.opVectorTimesScalar(texcoord_t, texcoordVar.id, projScalar);
texcoordVar.id = m_module.opSelect(texcoord_t, shouldProj, projResult, texcoordVar.id);
// 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]
@ -2578,9 +2606,9 @@ void DxsoCompiler::emitControlFlowGenericLoop(
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, m.id, 1, &i);
uint32_t tc_m_n = m_module.opCompositeExtract(fl_t, texcoordVar.id, 1, &i);
uint32_t offset = m_module.constu32(D3D9SharedPSStages_Count * ctx.src[0].id.num + D3D9SharedPSStages_BumpEnvMat0 + 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);
@ -2592,8 +2620,6 @@ void DxsoCompiler::emitControlFlowGenericLoop(
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);
}
samplerIdx = ctx.dst.id.num;
}
else if (opcode == DxsoOpcode::TexReg2Ar) {
texcoordVar = emitRegisterLoad(ctx.src[0], srcMask);
@ -2649,7 +2675,7 @@ void DxsoCompiler::emitControlFlowGenericLoop(
DxsoSampler sampler = m_samplers.at(samplerIdx);
auto SampleImage = [this, opcode, dst, ctx, samplerIdx](DxsoRegisterValue texcoordVar, DxsoSamplerInfo& sampler, bool depth, DxsoSamplerType samplerType, uint32_t specConst) {
auto SampleImage = [this, opcode, dst, ctx, samplerIdx, GetProjectionValue](DxsoRegisterValue texcoordVar, DxsoSamplerInfo& sampler, bool depth, DxsoSamplerType samplerType, uint32_t specConst) {
DxsoRegisterValue result;
result.type.ctype = dst.type.ctype;
result.type.ccount = depth ? 1 : 4;
@ -2680,12 +2706,6 @@ void DxsoCompiler::emitControlFlowGenericLoop(
uint32_t projDivider = 0;
auto GetProjectionValue = [&]() {
uint32_t w = 3;
return m_module.opCompositeExtract(
m_module.defFloatType(32), texcoordVar.id, 1, &w);
};
if (opcode == DxsoOpcode::Tex
&& m_programInfo.majorVersion() >= 2) {
if (ctx.instruction.specificData.texld == DxsoTexLdMode::Project) {
@ -2700,9 +2720,16 @@ void DxsoCompiler::emitControlFlowGenericLoop(
}
bool switchProjResult = m_programInfo.majorVersion() < 2 && samplerType != SamplerTypeTextureCube;
if (switchProjResult)
projDivider = GetProjectionValue();
// We already handled this...
if (opcode == DxsoOpcode::TexBem) {
switchProjResult = false;
projDivider = 0;
}
uint32_t reference = 0;
if (depth) {