static void LogFragmentShaderMaximumPrecision(const Platform::FileLogger& logger)
{
const bool precisionResult = HasFragmentShaderMaximumPrecision();
const str_type::string logStr = (precisionResult)
? GS_L("High floating point fragment shader precision supported")
: GS_L("High floating point fragment shader precision is not supported");
logger.Log(logStr, (precisionResult) ? Platform::FileLogger::INFO : Platform::FileLogger::WARNING);
}
void GLES2Video::CheckGLError(const str_type::string& op, const Platform::FileLogger& logger)
{
for (GLint error = glGetError(); error; error = glGetError())
{
std::stringstream ss;
ss << "ERROR: after " << op << ". Error code " << error;
logger.Log(ss.str(), Platform::FileLogger::ERROR);
}
}
void CheckFrameBufferStatus(const Platform::FileLogger& logger, const GLuint fbo, const GLuint tex, const bool showSuccessMessage)
{
const GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
str_type::stringstream ss;
ss << GS_L("fboID ") << fbo << GS_L(" (") << tex << GS_L("): ");
switch (status)
{
case GL_FRAMEBUFFER_COMPLETE:
if (showSuccessMessage)
{
ss << GS_L(" render target texture created successfully");
logger.Log(ss.str(), Platform::FileLogger::INFO);
}
break;
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
ss << GS_L(" incomplete attachment");
logger.Log(ss.str(), Platform::FileLogger::ERROR);
break;
case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
ss << GS_L(" incomplete dimensions");
logger.Log(ss.str(), Platform::FileLogger::ERROR);
break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
ss << GS_L(" incomplete missing attachment");
logger.Log(ss.str(), Platform::FileLogger::ERROR);
break;
case GL_FRAMEBUFFER_UNSUPPORTED:
ss << GS_L(" unsupported");
logger.Log(ss.str(), Platform::FileLogger::ERROR);
break;
default:
ss << GS_L(" unknown status");
logger.Log(ss.str(), Platform::FileLogger::ERROR);
}
}
void GLES2RectRenderer::SetPositionLocations(const int positionLocation, const int texCoordLocation, const Platform::FileLogger& logger) const
{
if (m_latestLocations.positionLocation != positionLocation || m_latestLocations.texCoordLocation != texCoordLocation)
{
glBindBuffer(GL_ARRAY_BUFFER, m_vertexBuffer);
glVertexAttribPointer(positionLocation, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, (void*)0);
glEnableVertexAttribArray(positionLocation);
glVertexAttribPointer(texCoordLocation, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, (void*)(sizeof(float) * 2));
glEnableVertexAttribArray(texCoordLocation);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer);
m_latestLocations.positionLocation = positionLocation;
m_latestLocations.texCoordLocation = texCoordLocation;
logger.Log("GLES2RectRenderer::SetPositionLocations: new vertex attribute array set", Platform::FileLogger::INFO);
}
}
inline int GLES2UniformParameter::GetLocation(const GLuint program, const str_type::string& name, const Platform::FileLogger& logger)
{
LocationMap& locations = *m_locations.get();
std::map<GLuint, int>::iterator iter = locations.find(program);
if (iter != locations.end())
{
return iter->second;
}
else
{
const int location = glGetUniformLocation(program, name.c_str());
GLES2Video::CheckGLError(name + ": uniform parameter not found with glGetUniformLocation", logger);
str_type::stringstream ss;
ss << "Location obtained successfully [" << name << "] " << counter++ << ": " << location;
logger.Log(ss.str(), Platform::FileLogger::INFO);
locations[program] = location;
return location;
}
}