void ShaderSprite::initShader()
{
GLchar * fragSource = (GLchar*) String::createWithContentsOfFile(
FileUtils::getInstance()->fullPathForFilename(_fragSourceFile).c_str())->getCString();
auto program = new GLProgram();
program->initWithVertexShaderByteArray(ccPositionTextureColor_vert, fragSource);
setShaderProgram(program);
program->release();
CHECK_GL_ERROR_DEBUG();
program->addAttribute(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
program->addAttribute(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
program->addAttribute(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
CHECK_GL_ERROR_DEBUG();
program->link();
CHECK_GL_ERROR_DEBUG();
program->updateUniforms();
CHECK_GL_ERROR_DEBUG();
buildCustomUniforms();
CHECK_GL_ERROR_DEBUG();
}
bool GLShaderProgram::initWithVertexShaderByFile( const char* vertexFile,const char* fragmentFile )
{
unsigned long length = 0;
GLchar* vertArray = (GLchar*)gsShareFileUtils()->getFileData( vertexFile,"r",length);
vertArray[length] = '\0';
GLchar* fragArray = (GLchar*)gsShareFileUtils()->getFileData( fragmentFile,"r",length);
fragArray[length] = '\0';
return initWithVertexShaderByteArray(vertArray,fragArray);
}