//-----------------------------------------------------------------------
void GLSLESLinkProgram::activate(void)
{
if (!mLinked && !mTriedToLinkAndFailed)
{
glGetError(); // Clean up the error. Otherwise will flood log.
mGLHandle = glCreateProgram();
GL_CHECK_ERROR
if ( GpuProgramManager::getSingleton().canGetCompiledShaderBuffer() &&
GpuProgramManager::getSingleton().isMicrocodeAvailableInCache(getCombinedName()) )
{
getMicrocodeFromCache();
}
else
{
#ifdef OGRE_USE_GLES2_GLSL_OPTIMISER
// check CmdParams for each shader type to see if we should optimize
String paramStr = mVertexProgram->getGLSLProgram()->getParameter("use_optimiser");
if((paramStr == "true") || paramStr.empty())
{
GLSLESLinkProgramManager::getSingleton().optimiseShaderSource(mVertexProgram);
}
paramStr = mFragmentProgram->getGLSLProgram()->getParameter("use_optimiser");
if((paramStr == "true") || paramStr.empty())
{
GLSLESLinkProgramManager::getSingleton().optimiseShaderSource(mFragmentProgram);
}
#endif
compileAndLink();
}
buildGLUniformReferences();
}
//-----------------------------------------------------------------------
void GLSLProgramPipeline::activate(void)
{
if (!mLinked && !mTriedToLinkAndFailed)
{
if ( GpuProgramManager::getSingleton().canGetCompiledShaderBuffer() &&
GpuProgramManager::getSingleton().isMicrocodeAvailableInCache(getCombinedName()) )
{
getMicrocodeFromCache();
}
else
{
compileAndLink();
}
extractLayoutQualifiers();
buildGLUniformReferences();
}
_useProgram();
}
void GLSLESProgramPipeline::compileAndLink()
{
#if OGRE_PLATFORM != OGRE_PLATFORM_NACL
GLint linkStatus = 0;
OGRE_CHECK_GL_ERROR(glGenProgramPipelinesEXT(1, &mGLProgramPipelineHandle));
OGRE_CHECK_GL_ERROR(glBindProgramPipelineEXT(mGLProgramPipelineHandle));
// Compile and attach Vertex Program
if(getVertexProgram())
{
if(getVertexProgram()->isLinked())
{
mLinked |= VERTEX_PROGRAM_LINKED;
}
else if(getMicrocodeFromCache(
getVertexProgram()->getName(),
getVertexProgram()->createGLProgramHandle()))
{
getVertexProgram()->setLinked(true);
mLinked |= VERTEX_PROGRAM_LINKED;
mTriedToLinkAndFailed = false;
}
else
{
if(!getVertexProgram()->compile(true)) {
LogManager::getSingleton().stream(LML_CRITICAL)
<< "Vertex Program " << getVertexProgram()->getName()
<< " failed to compile. See compile log above for details.";
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = getVertexProgram()->getGLProgramHandle();
bindFixedAttributes( programHandle );
OGRE_CHECK_GL_ERROR(glProgramParameteriEXT(programHandle, GL_PROGRAM_SEPARABLE_EXT, GL_TRUE));
getVertexProgram()->attachToProgramObject(programHandle);
OGRE_CHECK_GL_ERROR(glLinkProgram(programHandle));
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus));
if(linkStatus)
{
getVertexProgram()->setLinked(linkStatus);
mLinked |= VERTEX_PROGRAM_LINKED;
}
mTriedToLinkAndFailed = !linkStatus;
GLSLES::logObjectInfo( getCombinedName() + String("GLSL vertex program result : "), programHandle );
setSkeletalAnimationIncluded(getVertexProgram()->isSkeletalAnimationIncluded());
}
}
// Compile and attach Fragment Program
if(mFragmentProgram)
{
if(mFragmentProgram->isLinked())
{
mLinked |= FRAGMENT_PROGRAM_LINKED;
}
else if(getMicrocodeFromCache(
mFragmentProgram->getName(),
mFragmentProgram->createGLProgramHandle()))
{
mFragmentProgram->setLinked(true);
mLinked |= FRAGMENT_PROGRAM_LINKED;
mTriedToLinkAndFailed = false;
}
else
{
if(!mFragmentProgram->compile(true)) {
LogManager::getSingleton().stream(LML_CRITICAL)
<< "Fragment Program " << mFragmentProgram->getName()
<< " failed to compile. See compile log above for details.";
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = mFragmentProgram->getGLProgramHandle();
OGRE_CHECK_GL_ERROR(glProgramParameteriEXT(programHandle, GL_PROGRAM_SEPARABLE_EXT, GL_TRUE));
mFragmentProgram->attachToProgramObject(programHandle);
OGRE_CHECK_GL_ERROR(glLinkProgram(programHandle));
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus));
if(linkStatus)
{
mFragmentProgram->setLinked(linkStatus);
mLinked |= FRAGMENT_PROGRAM_LINKED;
}
mTriedToLinkAndFailed = !linkStatus;
GLSLES::logObjectInfo( getCombinedName() + String("GLSL fragment program result : "), programHandle );
}
}
if(mLinked)
{
if(getVertexProgram() && getVertexProgram()->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStagesEXT(mGLProgramPipelineHandle, GL_VERTEX_SHADER_BIT_EXT, getVertexProgram()->getGLProgramHandle()));
_writeToCache(getVertexProgram()->getName(), getVertexProgram()->getGLProgramHandle());
}
if(mFragmentProgram && mFragmentProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStagesEXT(mGLProgramPipelineHandle, GL_FRAGMENT_SHADER_BIT_EXT, mFragmentProgram->getGLProgramHandle()));
_writeToCache(mFragmentProgram->getName(), mFragmentProgram->getGLProgramHandle());
}
// Validate pipeline
GLSLES::logObjectInfo( getCombinedName() + String("GLSL program pipeline result : "), mGLProgramPipelineHandle );
if(getVertexProgram() && mFragmentProgram && Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_DEBUG))
{
glLabelObjectEXT(GL_PROGRAM_PIPELINE_OBJECT_EXT, mGLProgramPipelineHandle, 0,
(getVertexProgram()->getName() + "/" + mFragmentProgram->getName()).c_str());
}
}
#endif
}
//-----------------------------------------------------------------------
void CgProgram::loadFromSource(void)
{
selectProfile();
if ( GpuProgramManager::getSingleton().isMicrocodeAvailableInCache(String("CG_") + mName) )
{
getMicrocodeFromCache();
}
else
{
compileMicrocode();
}
if (mDelegate)
{
mDelegate->setSource(mProgramString);
mDelegate->setAdjacencyInfoRequired(isAdjacencyInfoRequired());
if (mSelectedCgProfile == CG_PROFILE_GLSLG)
{
// need to set input and output operations
if (mInputOp == CG_POINT)
{
mDelegate->setParameter("input_operation_type", "point_list");
}
else if (mInputOp == CG_LINE)
{
mDelegate->setParameter("input_operation_type", "line_strip");
}
else if (mInputOp == CG_LINE_ADJ)
{
mDelegate->setParameter("input_operation_type", "line_strip");
mDelegate->setAdjacencyInfoRequired(true);
}
else if (mInputOp == CG_TRIANGLE)
{
mDelegate->setParameter("input_operation_type", "triangle_strip");
}
else if (mInputOp == CG_TRIANGLE_ADJ)
{
mDelegate->setParameter("input_operation_type", "triangle_strip");
mDelegate->setAdjacencyInfoRequired(true);
}
if (mOutputOp == CG_POINT_OUT)
mDelegate->setParameter("output_operation_type", "point_list");
else if (mOutputOp == CG_LINE_OUT)
mDelegate->setParameter("output_operation_type", "line_strip");
else if (mOutputOp == CG_TRIANGLE_OUT)
mDelegate->setParameter("output_operation_type", "triangle_strip");
}
if (getHighLevelLanguage() == "glsl")
{
// for GLSL, also ensure we explicitly bind samplers to their register
// otherwise, GLSL will assign them in the order first used, which is
// not what we want.
GpuProgramParametersSharedPtr params = mDelegate->getDefaultParameters();
for (map<String,int>::type::iterator i = mSamplerRegisterMap.begin(); i != mSamplerRegisterMap.end(); ++i)
params->setNamedConstant(i->first, i->second);
}
mDelegate->load();
}
}
