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Exzap 2022-08-22 22:21:23 +02:00
parent e3db07a16a
commit d60742f52b
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56
src/Cafe/HW/Latte/ShaderInfo/ShaderDescription.cpp Normal file
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#include "Cafe/HW/Latte/ShaderInfo/ShaderInfo.h"
#include "Cafe/HW/Latte/ISA/LatteInstructions.h"
namespace Latte
{
bool ShaderDescription::analyzeShaderCode(void* shaderProgram, size_t sizeInBytes, LatteConst::ShaderType shaderType)
{
assert_dbg();
// parse CF flow
// we need to parse:
// - Export clauses to gather info about exported attributes and written render targets
// - ALU clauses to gather info about accessed uniforms (and the remapped uniform)
const LatteCFInstruction* cfCode = (const LatteCFInstruction*)shaderProgram;
const size_t cfMaxCount = sizeInBytes / 8;
size_t cfIndex = 0;
while (cfIndex < cfMaxCount)
{
const LatteCFInstruction* baseInstr = cfCode + cfIndex;
cfIndex++;
bool isALU = false;
if (const auto cfInstr = baseInstr->getParserIfOpcodeMatch<LatteCFInstruction_DEFAULT>())
{
cemu_assert_debug(cfInstr->getField_WHOLE_QUAD_MODE() == 0);
cemu_assert_debug(cfInstr->getField_CALL_COUNT() == 0); // todo
cemu_assert_debug(cfInstr->getField_POP_COUNT() == 0); // todo
auto cond = cfInstr->getField_COND();
assert_dbg();
}
else if (const auto cfInstr = baseInstr->getParserIfOpcodeMatch<LatteCFInstruction_ALU>())
{
assert_dbg();
isALU = true;
}
else if (const auto cfInstr = baseInstr->getParserIfOpcodeMatch<LatteCFInstruction_EXPORT_IMPORT>())
{
assert_dbg();
}
else
{
cemuLog_log(LogType::Force, "ShaderDescription::analyzeShaderCode(): Missing implementation for CF opcode 0x%02x\n", baseInstr->getField_Opcode());
cemu_assert_debug(false); // todo
}
if (!isALU && baseInstr->getField_END_OF_PROGRAM())
break;
}
return true;
}
};