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fix: make sure matrix shader args with less than 4 rows are properly dumped and loaded

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This commit is contained in:
Jan Laupetin
2026-03-07 00:33:27 +01:00
parent 2f12092773
commit 3aac05a516
3 changed files with 46 additions and 13 deletions
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20
src/ObjWriting/Techset/CommonTechniqueDumper.cpp
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@@ -202,7 +202,7 @@ namespace
codeDestAccessor = targetShaderArg->m_name;
const auto isTransposed = targetShaderArg->m_class == d3d9::ParameterClass::MATRIX_COLUMNS;
DumpShaderArg(technique, arg, codeDestAccessor, isTransposed);
DumpShaderArg(technique, arg, codeDestAccessor, isTransposed, targetShaderArg->m_register_count);
}
void DumpShaderArgDx11(const CommonTechnique& technique, const CommonShaderArg& arg, const d3d11::ShaderInfo& shaderInfo) const
@@ -284,7 +284,8 @@ namespace
}
const auto isTransposed = variable->m_variable_class == d3d11::VariableClass::MATRIX_COLUMNS;
DumpShaderArg(technique, arg, codeDestAccessor, isTransposed);
DumpShaderArg(technique, arg, codeDestAccessor, isTransposed, variable->m_row_count);
}
else
{
@@ -315,11 +316,15 @@ namespace
static_cast<unsigned>(arg.m_type.m_value_type));
return;
}
DumpShaderArg(technique, arg, boundTextureResource->m_name, false);
DumpShaderArg(technique, arg, boundTextureResource->m_name, false, 0);
}
}
void DumpShaderArg(const CommonTechnique& technique, const CommonShaderArg& arg, std::string codeDestAccessor, const bool isTransposed) const
void DumpShaderArg(const CommonTechnique& technique,
const CommonShaderArg& arg,
std::string codeDestAccessor,
const bool isTransposed,
const size_t shaderRowCount) const
{
if (arg.m_type.m_value_type == CommonShaderValueType::CODE_CONST)
{
@@ -341,9 +346,10 @@ namespace
else
codeAccessor = std::format("{}[{}]", constSourceInfo->accessor, arg.m_value.code_const_source.m_index - constSourceInfo->value);
// Assert that the value uses 4 rows when matrix and 1 otherwise.
// If this is untrue, there must be more code handling the selected rows
assert((isMatrix && arg.m_value.code_const_source.m_row_count == 4) || arg.m_value.code_const_source.m_row_count == 1);
// Assert that when a code const is not a matrix, the game uses one row of it per arg
// If it is a matrix, the game uses as many rows as can be seen in the shader
assert(isMatrix || arg.m_value.code_const_source.m_row_count == 1);
assert(!isMatrix || arg.m_value.code_const_source.m_row_count == shaderRowCount);
if (codeDestAccessor != codeAccessor)
{

19
src/ObjWriting/Techset/TechsetDumper.cpp.template
View File

@@ -33,6 +33,7 @@
#include MATERIAL_CONSTANT_ZONE_STATE_HEADER
#include TECHSET_CONSTANTS_HEADER
#include "Pool/GlobalAssetPool.h"
#include "Techset/CommonTechniqueDumper.h"
#include "Techset/CommonTechsetDumper.h"
#include "Techset/CommonVertexDeclCreator.h"
@@ -267,6 +268,15 @@ namespace
techset::CommonTechniqueShader ConvertToCommonShader(const MaterialVertexShader* vertexShader)
{
#if defined(FEATURE_IW4)
if (vertexShader && vertexShader->name && vertexShader->name[0] == ',')
{
auto* globalAsset = GameGlobalAssetPools::GetGlobalPoolsForGame(GameId::IW4)->GetAsset<AssetVertexShader>(&vertexShader->name[1]);
if (globalAsset)
vertexShader = globalAsset->Asset();
}
#endif
techset::CommonTechniqueShader result(techset::CommonTechniqueShaderType::VERTEX, std::string());
if (!vertexShader)
return result;
@@ -291,6 +301,15 @@ namespace
techset::CommonTechniqueShader ConvertToCommonShader(const MaterialPixelShader* pixelShader)
{
#if defined(FEATURE_IW4)
if (pixelShader && pixelShader->name && pixelShader->name[0] == ',')
{
auto* globalAsset = GameGlobalAssetPools::GetGlobalPoolsForGame(GameId::IW4)->GetAsset<AssetPixelShader>(&pixelShader->name[1]);
if (globalAsset)
pixelShader = globalAsset->Asset();
}
#endif
techset::CommonTechniqueShader result(techset::CommonTechniqueShaderType::PIXEL, std::string());
if (!pixelShader)
return result;