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fix: auto creating dx9 shader args with too many elements

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This commit is contained in:
Jan Laupetin
2026-03-14 10:50:12 +01:00
parent 161ab45306
commit 629564073c
1 changed files with 18 additions and 4 deletions
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22
src/ObjCompiling/Techset/CommonShaderArgCreator.cpp
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@@ -2,6 +2,7 @@
#include "Shader/D3D11ShaderAnalyser.h"
#include "Shader/D3D9ShaderAnalyser.h"
#include "Utils/Alignment.h"
#include "Utils/Djb2.h"
#include "Utils/Logging/Log.h"
@@ -422,19 +423,20 @@ namespace
if (!constInfo)
return result::Unexpected(std::format("Missing info for code const {}", shaderArg.m_name));
const auto variableElementCount = std::max<unsigned>(shaderArg.m_type_elements, 1);
const auto elementSize = ElementSizeForArg(shaderArg);
const auto elementCount = utils::Align(shaderArg.m_register_count, elementSize) / elementSize;
const auto infoArrayCount = std::max<unsigned>(constInfo->arrayCount, 1);
if (variableElementCount > infoArrayCount)
if (elementCount > infoArrayCount)
{
return result::Unexpected(std::format("Could not auto create argument for constant {} as it has more elements ({}) than the code constant ({})",
shaderArg.m_name,
variableElementCount,
elementCount,
infoArrayCount));
}
techset::CommonShaderArgDestination commonDestination;
const auto isTransposed = shaderArg.m_class == d3d9::ParameterClass::MATRIX_COLUMNS;
for (auto elementIndex = 0u; elementIndex < variableElementCount; elementIndex++)
for (auto elementIndex = 0u; elementIndex < elementCount; elementIndex++)
{
commonDestination.dx9.m_destination_register = shaderArg.m_register_index + elementIndex;
auto result = AcceptShaderConstantArgument(commonDestination, isTransposed, shaderArg.m_register_count, *maybeCodeConst, elementIndex);
@@ -448,6 +450,18 @@ namespace
return NoResult{};
}
[[nodiscard]] static unsigned ElementSizeForArg(const d3d9::ShaderConstant& arg)
{
switch (arg.m_class)
{
case d3d9::ParameterClass::MATRIX_COLUMNS:
case d3d9::ParameterClass::MATRIX_ROWS:
return 4;
default:
return 1;
}
}
result::Expected<NoResult, std::string> AutoCreateSamplerArg(const d3d9::ShaderConstant& shaderArg)
{
const auto maybeCodeSampler = m_common_code_source_infos.GetCodeSamplerSourceForAccessor(shaderArg.m_name);