void DBTexture::loadFromFile(const eastl::string& a_filePath, EFormat a_format, uint a_forcedNumComp)
{
int w, h, c;
byte* textureData = NULL;
switch (a_format)
{
case EFormat::BYTE: textureData = stbi_load(a_filePath.c_str(), &w, &h, &c, a_forcedNumComp); break;
case EFormat::FLOAT: textureData = rcast<byte*>(stbi_loadf(a_filePath.c_str(), &w, &h, &c, a_forcedNumComp)); break;
default: assert(false); break;
}
if (!textureData)
{
print("FAILED TO LOAD IMAGE: %s \n", a_filePath.c_str());
assert(false);
return;
}
m_format = a_format;
m_pixColSize = getPixColSize(m_format);
m_width = uint(w);
m_height = uint(h);
m_numComp = a_forcedNumComp ? a_forcedNumComp : uint(c); // If a number of components was forced, use that, otherwise use the number of components in the image.
const uint dataSize = m_width * m_height * m_numComp * m_pixColSize;
m_rawData.resize(dataSize);
memcpy(m_rawData.data(), textureData, dataSize);
stbi_image_free(textureData);
m_compressedDataUpToDate = false;
}
void UProgramPermutor::PermuteProgram(const eastl::string& inProgramFilePath, ProgramPermutations_t& outProgramPermutations, bool inShouldGenPermutationFiles)
{
std::ifstream programInputStream(inProgramFilePath.c_str(), std::ios::in | std::ios::ate);
if (programInputStream.is_open())
{
std::string stdProgramStringBuffer;
eastl::vector<SShaderMetaFlagInstance> programMetaFlagInstances;
eastl::vector<SShaderUsageDescription> programUsageDescriptions;
eastl::vector<SShaderPermuteDescription> programPermutationDescriptions;
stdProgramStringBuffer.resize(programInputStream.tellg());
programInputStream.seekg(std::ios::beg);
stdProgramStringBuffer.assign(std::istream_iterator<char>(programInputStream), std::istream_iterator<char>());
eastl::string programStringBuffer(eastl::move(stdProgramStringBuffer.c_str()));
// Accumulate all of the meta flag instances in the program file
ParseProgramMetaFlags(programStringBuffer, programMetaFlagInstances);
// Go through all meta flags and retrieve the Usage and Permute meta flag instances
for (const auto& currentMetaFlagInst : programMetaFlagInstances)
{
switch (currentMetaFlagInst.MetaFlagType)
{
case EMetaFlagType::EMetaFlagType_Usage:
{
//LOG(LogProgramPermutor, Log, "Adding meta usage flag with values: %s - %s\n", currentMetaFlagInst.MetaFlagValues[0].c_str(), currentMetaFlagInst.MetaFlagValues[1].c_str());
programUsageDescriptions.push_back({ currentMetaFlagInst.MetaFlagValues[0], currentMetaFlagInst.MetaFlagValues[1] });
break;
}
case EMetaFlagType::EMetaFlagType_Permute:
{
EProgramIdMask permuteIdMask = UProgramPermutor::ConvertStringToPIDMask(currentMetaFlagInst.MetaFlagValues[0]);
if (permuteIdMask != EProgramIdMask::INVALID)
{
//LOG(LogProgramPermutor, Log, "Adding meta permute flag with define: %s\n", currentMetaFlagInst.MetaFlagValues[0].c_str());
programPermutationDescriptions.push_back({ permuteIdMask });
}
else
{
LOG(LogProgramPermutor, Error, "Error: Invalid permute flag: %s\n", currentMetaFlagInst.MetaFlagValues[0].c_str());
}
break;
}
}
}
// The usage descriptions tell us which parts of the program to include in the shader permutation sets
GeneratePermutations(inProgramFilePath, programUsageDescriptions, programPermutationDescriptions, outProgramPermutations, inShouldGenPermutationFiles);
}
}
// Utility functions to convert between meta flag type and string
EProgramIdMask UProgramPermutor::ConvertStringToPIDMask(const eastl::string& inMaskString)
{
auto pidMaskStringFindIter = UProgramPermutor::s_programIdMaskToStringMap.find(inMaskString.c_str());
if (pidMaskStringFindIter != UProgramPermutor::s_programIdMaskToStringMap.cend())
{
return pidMaskStringFindIter->second;
}
else
{
return EProgramIdMask::INVALID;
}
}
void OpenGLGraphicSystem::ProcessShader( BohgeEngine::ShaderProperty::ShaderCode sc, eastl::string& code )
{
Utility::RemoveTargetString( code, "precision highp float;" );
Utility::RemoveTargetString( code, "precision mediump float;" );
Utility::RemoveTargetString( code, "precision lowp float;" );
Utility::RemoveTargetString( code, "highp " );
Utility::RemoveTargetString( code, "mediump " );
Utility::RemoveTargetString( code, "lowp " );
code.insert(0, "#define MAXJOINTS 128\n" );
code.insert(0, "#define MAXARRAYSIZE 256\n" );
code.insert(0, "#define _WINDOWS_\n" );
glslopt_shader_type type;
switch( sc )
{
case ShaderProperty::SC_VERTEX: type = kGlslOptShaderVertex; break;
case ShaderProperty::SC_FRAGMENT: type = kGlslOptShaderFragment; break;
default:ASSERT(false);
}
glslopt_shader* shader = glslopt_optimize( m_pGlslopt_ctx, type, code.c_str(), 0 );
if ( glslopt_get_status(shader) )
{
code = glslopt_get_output( shader );
}
else
{
const char* log = glslopt_get_log( shader );
DEBUGLOG("Can't optimize shader, caz %s\n", log );
}
if ( ShaderProperty::SC_VERTEX == sc )
{
size_t mainbegin = _FindMainFunction(code);
_FixAttributeIndexingType( code, mainbegin );
}
glslopt_shader_delete( shader );
}
//-------------------------------------------------------------------------------------------------------
PipelineProperty::ActivePassTypeArray MaterialSystem::ParseMaterial( const eastl::string& path, eastl::string& matstr )
{
string luaSource;
vector<string> funcs;
PipelineProperty::ActivePassTypeArray apta;
Utility::SeparateAllString( MATERIAL_DEFINE, END_DEFINE, funcs, matstr );//将材质分拆开来
for( int i = 0; i < funcs.size() ; ++ i )
{
Utility::MakeLuaFunction( MATERIAL_DEFINE, END_DEFINE, funcs[i] );//每个材质做成函数
luaSource += "\r\n" + funcs[i];
}
m_pScriptParser->DoScript( luaSource );//加载lua脚本
m_CurrentPassType = static_cast<BohgeEngine::PipelineProperty::PassType>(-1);
const int passCount = IMaterialSystem::Instance()->GetActivePassTypeCount();
for ( int i = 0 ; i < passCount ; ++ i )
{
PipelineProperty::PassType pt = IMaterialSystem::Instance()->GetPassType( i );
if( Utility::MacroName( m_pPassTypeNameArray[pt], matstr, m_pPassFunctionName[pt] ) )
{
apta.push_back( pt );
}
else
{
m_pPassFunctionName[pt].clear();
DEBUGLOG("empty %s pass function in file %s!\n", m_pPassTypeNameArray[pt].c_str(), path.c_str() );
}
}
return apta;
}
FileHandle::FileHandle(const eastl::string& a_filePath, EFileMode a_fileMode) : m_rwops(0), m_size(0), m_fileMode(a_fileMode)
{
initialize(a_filePath.c_str(), a_fileMode);
}
time_t GetFileModTime( const eastl::string &filename ) {
struct _stat statInfo;
_stat( filename.c_str(), &statInfo );
return statInfo.st_mtime;
}
//---------------------------------------------------------------------------------------------------------
void BTextSystem::_OnSetLanguage( const eastl::string& lan )
{
Text_1::SetLanguage( lan.c_str() );
}
