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Implement reverse Z negation.

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This commit is contained in:
Skyth 2024-11-08 20:16:24 +03:00
parent fce786210a
commit b7c0372246
1 changed files with 9 additions and 0 deletions
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9
ShaderRecomp/shader_recompiler.cpp
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@ -245,11 +245,14 @@ void ShaderRecompiler::recompile(const TextureFetchInstruction& instr, bool bicu
std::string constName; std::string constName;
const char* constNamePtr = nullptr; const char* constNamePtr = nullptr;
bool subtractFromOne = false;
auto findResult = samplers.find(instr.constIndex); auto findResult = samplers.find(instr.constIndex);
if (findResult != samplers.end()) if (findResult != samplers.end())
{ {
constNamePtr = findResult->second; constNamePtr = findResult->second;
subtractFromOne = strcmp(constNamePtr, "sampZBuffer") == 0 ||
strcmp(constNamePtr, "g_DepthSampler") == 0;
} }
else else
{ {
@ -273,12 +276,18 @@ void ShaderRecompiler::recompile(const TextureFetchInstruction& instr, bool bicu
switch (instr.opcode) switch (instr.opcode)
{ {
case FetchOpcode::TextureFetch: case FetchOpcode::TextureFetch:
{
if (subtractFromOne)
out += "1.0 - ";
out += "tfetch"; out += "tfetch";
break; break;
}
case FetchOpcode::GetTextureWeights: case FetchOpcode::GetTextureWeights:
{
out += "getWeights"; out += "getWeights";
break; break;
} }
}
std::string_view dimension; std::string_view dimension;
uint32_t componentCount = 0; uint32_t componentCount = 0;