bool GLSLESProgram::compile(const bool checkErrors)
{
if (mCompiled == 1)
{
return true;
}
// Only create a shader object if glsl es is supported
if (isSupported())
{
GL_CHECK_ERROR
// Create shader object
GLenum shaderType = 0x0000;
if (mType == GPT_VERTEX_PROGRAM)
{
shaderType = GL_VERTEX_SHADER;
}
else if (mType == GPT_FRAGMENT_PROGRAM)
{
shaderType = GL_FRAGMENT_SHADER;
}
mGLHandle = glCreateShader(shaderType);
GL_CHECK_ERROR
}
// Add preprocessor extras and main source
if (!mSource.empty())
{
const char *source = mSource.c_str();
glShaderSource(mGLHandle, 1, &source, NULL);
// Check for load errors
GL_CHECK_ERROR
}
if (checkErrors)
logObjectInfo("GLSL ES compiling: " + mName, mGLHandle);
glCompileShader(mGLHandle);
GL_CHECK_ERROR
// Check for compile errors
glGetShaderiv(mGLHandle, GL_COMPILE_STATUS, &mCompiled);
if(!mCompiled && checkErrors)
{
String message = logObjectInfo("GLSL ES compile log: " + mName, mGLHandle);
checkAndFixInvalidDefaultPrecisionError(message);
}
// Log a message that the shader compiled successfully.
if (mCompiled && checkErrors)
logObjectInfo("GLSL ES compiled: " + mName, mGLHandle);
return (mCompiled == 1);
}
void GLSLProgram::getMicrocodeFromCache(uint32 id)
{
GpuProgramManager::Microcode cacheMicrocode =
GpuProgramManager::getSingleton().getMicrocodeFromCache(id);
cacheMicrocode->seek(0);
// Turns out we need this param when loading.
GLenum binaryFormat = 0;
cacheMicrocode->read(&binaryFormat, sizeof(GLenum));
// Get size of binary.
GLint binaryLength = static_cast<GLint>(cacheMicrocode->size() - sizeof(GLenum));
// Load binary.
OGRE_CHECK_GL_ERROR(glProgramBinary(mGLProgramHandle,
binaryFormat,
cacheMicrocode->getCurrentPtr(),
binaryLength));
GLint success = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv(mGLProgramHandle, GL_LINK_STATUS, &success));
if(success)
{
mLinked = true;
return;
}
logObjectInfo("could not load from cache "+getCombinedName(), mGLProgramHandle);
// Something must have changed since the program binaries
// were cached away. Fallback to source shader loading path,
// and then retrieve and cache new program binaries once again.
compileAndLink();
}
void GLSLProgramPipeline::compileIndividualProgram(GLSLGpuProgram *program)
{
GLint linkStatus = 0;
// Compile and attach program
if(program && !program->isLinked())
{
try
{
program->getGLSLProgram()->compile(true);
}
catch (Exception& e)
{
LogManager::getSingleton().stream() << e.getDescription();
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = program->getGLSLProgram()->getGLProgramHandle();
OGRE_CHECK_GL_ERROR(glProgramParameteri(programHandle, GL_PROGRAM_SEPARABLE, GL_TRUE));
program->getGLSLProgram()->attachToProgramObject(programHandle);
OGRE_CHECK_GL_ERROR(glLinkProgram(programHandle));
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus));
program->setLinked(linkStatus);
mLinked = linkStatus;
mTriedToLinkAndFailed = !linkStatus;
logObjectInfo( getCombinedName() + String("GLSL program result : "), programHandle );
if(program->getType() == GPT_VERTEX_PROGRAM)
setSkeletalAnimationIncluded(program->isSkeletalAnimationIncluded());
}
}
//-----------------------------------------------------------------------------
void checkForGLSLError(const String& ogreMethod, const String& errorTextPrefix, const GLhandleARB obj, const bool forceInfoLog, const bool forceException)
{
GLenum glErr;
bool errorsFound = false;
String msg = errorTextPrefix;
// get all the GL errors
glErr = glGetError();
while (glErr != GL_NO_ERROR)
{
const char* glerrStr = (const char*)gluErrorString(glErr);
if (glerrStr)
{
msg += String(glerrStr);
}
glErr = glGetError();
errorsFound = true;
}
// if errors were found then put them in the Log and raise and exception
if (errorsFound || forceInfoLog)
{
// if shader or program object then get the log message and send to the log manager
msg += logObjectInfo( msg, obj );
if (forceException)
{
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, msg, ogreMethod);
}
}
}
//-----------------------------------------------------------------------------
void GL3PlusRenderToVertexBuffer::bindVerticesOutput(Pass* pass)
{
VertexDeclaration* declaration = mVertexData->vertexDeclaration;
size_t elemCount = declaration->getElementCount();
if (elemCount > 0)
{
GLuint linkProgramId = 0;
// Have GLSL shaders, using varying attributes
if(Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS))
{
GLSLProgramPipeline* programPipeline =
GLSLProgramPipelineManager::getSingleton().getActiveProgramPipeline();
linkProgramId = programPipeline->getGLProgramPipelineHandle();
}
else
{
GLSLLinkProgram* linkProgram = GLSLLinkProgramManager::getSingleton().getActiveLinkProgram();
linkProgramId = linkProgram->getGLProgramHandle();
}
// Note: 64 is the minimum number of interleaved attributes allowed by GL_EXT_transform_feedback
// So we are using it. Otherwise we could query during rendersystem initialisation and use a dynamic sized array.
// But that would require C99.
// const GLchar *names[64];
const GLchar *names[1] = {"gl_Position"};//, "oUv0", "oUv1", "oUv2" };
// vector<const GLchar*>::type names;
// for (unsigned short e = 0; e < elemCount; e++)
// {
// const VertexElement* element = declaration->getElement(e);
// String varyingName = getSemanticVaryingName(element->getSemantic(), element->getIndex());
// names[e] = varyingName.c_str();
//// names.push_back(varyingName.c_str());
// }
OGRE_CHECK_GL_ERROR(glTransformFeedbackVaryings(linkProgramId, elemCount, names, GL_INTERLEAVED_ATTRIBS));
OGRE_CHECK_GL_ERROR(glLinkProgram(linkProgramId));
GLint didLink = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv( linkProgramId, GL_LINK_STATUS, &didLink ));
logObjectInfo( String("RVB GLSL link result : "), linkProgramId );
if(glIsProgram(linkProgramId))
{
glValidateProgram(linkProgramId);
}
logObjectInfo( String("RVB GLSL validation result : "), linkProgramId );
}
}
//-----------------------------------------------------------------------
void GLSLProgram::detachFromProgramObject( const GLuint programObject )
{
OGRE_CHECK_GL_ERROR(glDetachShader(programObject, mGLShaderHandle));
logObjectInfo( "Error detaching " + mName + " shader object from GLSL Program Object", programObject );
// attach child objects
GLSLProgramContainerIterator childprogramcurrent = mAttachedGLSLPrograms.begin();
GLSLProgramContainerIterator childprogramend = mAttachedGLSLPrograms.end();
while (childprogramcurrent != childprogramend)
{
GLSLProgram* childShader = *childprogramcurrent;
childShader->detachFromProgramObject( programObject );
++childprogramcurrent;
}
}
//---------------------------------------------------------------------------
bool GLSLProgram::compile(const bool checkErrors)
{
glCompileShaderARB(mGLHandle);
// check for compile errors
glGetObjectParameterivARB(mGLHandle, GL_OBJECT_COMPILE_STATUS_ARB, &mCompiled);
// force exception if not compiled
if (checkErrors)
{
checkForGLSLError( "GLSLProgram::loadFromSource", "Cannot compile GLSL high-level shader : " + mName + " ", mGLHandle, !mCompiled, !mCompiled );
if (mCompiled)
{
logObjectInfo( mName + " : GLSL compiled ", mGLHandle );
}
}
return (mCompiled == 1);
}
//-----------------------------------------------------------------------
void GLSLProgram::attachToProgramObject( const GLuint programObject )
{
// attach child objects
GLSLProgramContainerIterator childprogramcurrent = mAttachedGLSLPrograms.begin();
GLSLProgramContainerIterator childprogramend = mAttachedGLSLPrograms.end();
while (childprogramcurrent != childprogramend)
{
GLSLProgram* childShader = *childprogramcurrent;
// bug in ATI GLSL linker : modules without main function must be recompiled each time
// they are linked to a different program object
// don't check for compile errors since there won't be any
// *** minor inconvenience until ATI fixes there driver
childShader->compile(true);
childShader->attachToProgramObject( programObject );
++childprogramcurrent;
}
OGRE_CHECK_GL_ERROR(glAttachShader(programObject, mGLShaderHandle));
logObjectInfo( "Error attaching " + mName + " shader object to GLSL Program Object", programObject );
}
//-----------------------------------------------------------------------
void GLSLLinkProgram::activate(void)
{
if (!mLinked)
{
if (mVertexProgram)
{
// Some drivers (e.g. OS X on nvidia) incorrectly determine the attribute binding automatically
// and end up aliasing existing built-ins. So avoid!
// Bind all used attribs - not all possible ones otherwise we'll get
// lots of warnings in the log, and also may end up aliasing names used
// as varyings by accident
// Because we can't ask GL whether an attribute is used in the shader
// until it is linked (chicken and egg!) we have to parse the source
size_t numAttribs = sizeof(msCustomAttributes)/sizeof(CustomAttribute);
const String& vpSource = mVertexProgram->getGLSLProgram()->getSource();
for (size_t i = 0; i < numAttribs; ++i)
{
const CustomAttribute& a = msCustomAttributes[i];
// we're looking for either:
// attribute vec<n> <semantic_name>
// in vec<n> <semantic_name>
// The latter is recommended in GLSL 1.3 onwards
// be slightly flexible about formatting
String::size_type pos = vpSource.find(a.name);
if (pos != String::npos)
{
String::size_type startpos = vpSource.find("attribute", pos < 20 ? 0 : pos-20);
if (startpos == String::npos)
startpos = vpSource.find("in", pos-20);
if (startpos != String::npos && startpos < pos)
{
// final check
String expr = vpSource.substr(startpos, pos + a.name.length() - startpos);
StringVector vec = StringUtil::split(expr);
if ((vec[0] == "in" || vec[0] == "attribute") && vec[2] == a.name)
glBindAttribLocationARB(mGLHandle, a.attrib, a.name.c_str());
}
}
}
}
if (mGeometryProgram)
{
RenderOperation::OperationType inputOperationType = mGeometryProgram->getGLSLProgram()->getInputOperationType();
glProgramParameteriEXT(mGLHandle,GL_GEOMETRY_INPUT_TYPE_EXT,
getGLGeometryInputPrimitiveType(inputOperationType, mGeometryProgram->isAdjacencyInfoRequired()));
RenderOperation::OperationType outputOperationType = mGeometryProgram->getGLSLProgram()->getOutputOperationType();
switch (outputOperationType)
{
case RenderOperation::OT_POINT_LIST:
case RenderOperation::OT_LINE_STRIP:
case RenderOperation::OT_TRIANGLE_STRIP:
case RenderOperation::OT_LINE_LIST:
case RenderOperation::OT_TRIANGLE_LIST:
case RenderOperation::OT_TRIANGLE_FAN:
break;
}
glProgramParameteriEXT(mGLHandle,GL_GEOMETRY_OUTPUT_TYPE_EXT,
getGLGeometryOutputPrimitiveType(outputOperationType));
glProgramParameteriEXT(mGLHandle,GL_GEOMETRY_VERTICES_OUT_EXT,
mGeometryProgram->getGLSLProgram()->getMaxOutputVertices());
}
glLinkProgramARB( mGLHandle );
glGetObjectParameterivARB( mGLHandle, GL_OBJECT_LINK_STATUS_ARB, &mLinked );
// force logging and raise exception if not linked
checkForGLSLError( "GLSLLinkProgram::Activate",
"Error linking GLSL Program Object : ", mGLHandle, !mLinked, !mLinked );
if(mLinked)
{
logObjectInfo( String("GLSL link result : "), mGLHandle );
buildGLUniformReferences();
extractAttributes();
}
}
if (mLinked)
{
checkForGLSLError( "GLSLLinkProgram::Activate",
"Error prior to using GLSL Program Object : ", mGLHandle, false, false);
glUseProgramObjectARB( mGLHandle );
checkForGLSLError( "GLSLLinkProgram::Activate",
"Error using GLSL Program Object : ", mGLHandle, false, false);
}
}
void GLSLProgramPipeline::compileAndLink()
{
OGRE_CHECK_GL_ERROR(glGenProgramPipelines(1, &mGLProgramPipelineHandle));
OGRE_CHECK_GL_ERROR(glBindProgramPipeline(mGLProgramPipelineHandle));
mVertexArrayObject = new GL3PlusVertexArrayObject();
mVertexArrayObject->bind();
compileIndividualProgram(mVertexProgram);
compileIndividualProgram(mFragmentProgram);
compileIndividualProgram(mGeometryProgram);
compileIndividualProgram(mDomainProgram);
compileIndividualProgram(mHullProgram);
compileIndividualProgram(mComputeProgram);
if(mLinked)
{
if ( GpuProgramManager::getSingleton().getSaveMicrocodesToCache() )
{
// Add to the microcode to the cache
String name;
name = getCombinedName();
// Get buffer size
GLint binaryLength = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv(mGLProgramPipelineHandle, GL_PROGRAM_BINARY_LENGTH, &binaryLength));
// Create microcode
GpuProgramManager::Microcode newMicrocode =
GpuProgramManager::getSingleton().createMicrocode(binaryLength + sizeof(GLenum));
// Get binary
OGRE_CHECK_GL_ERROR(glGetProgramBinary(mGLProgramPipelineHandle, binaryLength, NULL, (GLenum *)newMicrocode->getPtr(), newMicrocode->getPtr() + sizeof(GLenum)));
// Add to the microcode to the cache
GpuProgramManager::getSingleton().addMicrocodeToCache(name, newMicrocode);
}
if(mVertexProgram && mVertexProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_VERTEX_SHADER_BIT, mVertexProgram->getGLSLProgram()->getGLProgramHandle()));
}
if(mFragmentProgram && mFragmentProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_FRAGMENT_SHADER_BIT, mFragmentProgram->getGLSLProgram()->getGLProgramHandle()));
}
if(mGeometryProgram && mGeometryProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_GEOMETRY_SHADER_BIT, mGeometryProgram->getGLSLProgram()->getGLProgramHandle()));
}
if(mDomainProgram && mDomainProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_TESS_EVALUATION_SHADER_BIT, mDomainProgram->getGLSLProgram()->getGLProgramHandle()));
}
if(mHullProgram && mHullProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_TESS_CONTROL_SHADER_BIT, mHullProgram->getGLSLProgram()->getGLProgramHandle()));
}
if(mComputeProgram && mComputeProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_COMPUTE_SHADER_BIT, mComputeProgram->getGLSLProgram()->getGLProgramHandle()));
}
// Validate pipeline
logObjectInfo( getCombinedName() + String("GLSL program pipeline result : "), mGLProgramPipelineHandle );
// if(getGLSupport()->checkExtension("GL_KHR_debug") || gl3wIsSupported(4, 3))
// glObjectLabel(GL_PROGRAM_PIPELINE, mGLProgramPipelineHandle, 0,
// (mVertexProgram->getName() + "/" + mFragmentProgram->getName()).c_str());
}
}
void GLSLSeparableProgram::compileAndLink()
{
// Ensure no monolithic programs are in use.
OGRE_CHECK_GL_ERROR(glUseProgram(0));
OGRE_CHECK_GL_ERROR(glGenProgramPipelines(1, &mGLProgramPipelineHandle));
//OGRE_CHECK_GL_ERROR(glBindProgramPipeline(mGLProgramPipelineHandle));
mVertexArrayObject->bind();
loadIndividualProgram(mVertexShader);
loadIndividualProgram(mDomainShader);
loadIndividualProgram(mHullShader);
loadIndividualProgram(mGeometryShader);
loadIndividualProgram(mFragmentShader);
loadIndividualProgram(mComputeShader);
if (mLinked)
{
// if (GpuProgramManager::getSingleton().getSaveMicrocodesToCache() )
// {
// // Add to the microcode to the cache
// String name;
// name = getCombinedName();
// // Get buffer size
// GLint binaryLength = 0;
// //OGRE_CHECK_GL_ERROR(glGetProgramiv(mGLProgramPipelineHandle, GL_PROGRAM_BINARY_LENGTH, &binaryLength));
// OGRE_CHECK_GL_ERROR(glGetProgramiv(, GL_PROGRAM_BINARY_LENGTH, &binaryLength));
// // Create microcode
// GpuProgramManager::Microcode newMicrocode =
// GpuProgramManager::getSingleton().createMicrocode((unsigned long)binaryLength + sizeof(GLenum));
// // Get binary
// OGRE_CHECK_GL_ERROR(glGetProgramBinary(, binaryLength, NULL, (GLenum *)newMicrocode->getPtr(), newMicrocode->getPtr() + sizeof(GLenum)));
// // Add to the microcode to the cache
// GpuProgramManager::getSingleton().addMicrocodeToCache(name, newMicrocode);
// }
if (mVertexShader && mVertexShader->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_VERTEX_SHADER_BIT, mVertexShader->getGLProgramHandle()));
}
if (mDomainShader && mDomainShader->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_TESS_EVALUATION_SHADER_BIT, mDomainShader->getGLProgramHandle()));
}
if (mHullShader && mHullShader->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_TESS_CONTROL_SHADER_BIT, mHullShader->getGLProgramHandle()));
}
if (mGeometryShader && mGeometryShader->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_GEOMETRY_SHADER_BIT, mGeometryShader->getGLProgramHandle()));
}
if (mFragmentShader && mFragmentShader->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_FRAGMENT_SHADER_BIT, mFragmentShader->getGLProgramHandle()));
}
if (mComputeShader && mComputeShader->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStages(mGLProgramPipelineHandle, GL_COMPUTE_SHADER_BIT, mComputeShader->getGLProgramHandle()));
}
// Validate pipeline
OGRE_CHECK_GL_ERROR(glValidateProgramPipeline(mGLProgramPipelineHandle));
logObjectInfo( getCombinedName() + String("GLSL program pipeline validation result: "), mGLProgramPipelineHandle );
// if (getGLSupport()->checkExtension("GL_KHR_debug") || gl3wIsSupported(4, 3))
// glObjectLabel(GL_PROGRAM_PIPELINE, mGLProgramPipelineHandle, 0,
// (mVertexShader->getName() + "/" + mFragmentShader->getName()).c_str());
}
}
void GLSLSeparableProgram::loadIndividualProgram(GLSLShader *program)
{
if (program && !program->isLinked())
{
GLint linkStatus = 0;
String programName = program->getName();
GLuint programHandle = program->getGLProgramHandle();
OGRE_CHECK_GL_ERROR(glProgramParameteri(programHandle, GL_PROGRAM_SEPARABLE, GL_TRUE));
//if (GpuProgramManager::getSingleton().getSaveMicrocodesToCache())
OGRE_CHECK_GL_ERROR(glProgramParameteri(programHandle, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GL_TRUE));
// Use precompiled program if possible.
bool microcodeAvailableInCache = GpuProgramManager::getSingleton().isMicrocodeAvailableInCache(programName);
if (microcodeAvailableInCache)
{
GpuProgramManager::Microcode cacheMicrocode =
GpuProgramManager::getSingleton().getMicrocodeFromCache(programName);
cacheMicrocode->seek(0);
GLenum binaryFormat = 0;
cacheMicrocode->read(&binaryFormat, sizeof(GLenum));
GLint binaryLength = cacheMicrocode->size() - sizeof(GLenum);
OGRE_CHECK_GL_ERROR(glProgramBinary(programHandle,
binaryFormat,
cacheMicrocode->getPtr() + sizeof(GLenum),
binaryLength));
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus));
if (!linkStatus)
logObjectInfo("Could not use cached binary " + programName, programHandle);
}
// Compilation needed if precompiled program is
// unavailable or failed to link.
if (!linkStatus)
{
try
{
program->compile(true);
}
catch (Exception& e)
{
LogManager::getSingleton().stream() << e.getDescription();
mTriedToLinkAndFailed = true;
return;
}
program->attachToProgramObject(programHandle);
OGRE_CHECK_GL_ERROR(glLinkProgram(programHandle));
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus));
// Binary cache needs an update.
microcodeAvailableInCache = false;
}
program->setLinked(linkStatus);
mLinked = linkStatus;
mTriedToLinkAndFailed = !linkStatus;
logObjectInfo( getCombinedName() + String("GLSL program result : "), programHandle );
if (program->getType() == GPT_VERTEX_PROGRAM)
setSkeletalAnimationIncluded(program->isSkeletalAnimationIncluded());
// Add the microcode to the cache.
if (!microcodeAvailableInCache && mLinked &&
GpuProgramManager::getSingleton().getSaveMicrocodesToCache() )
{
// Get buffer size.
GLint binaryLength = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_PROGRAM_BINARY_LENGTH, &binaryLength));
// Create microcode.
GpuProgramManager::Microcode newMicrocode =
GpuProgramManager::getSingleton().createMicrocode((unsigned long)binaryLength + sizeof(GLenum));
// Get binary.
OGRE_CHECK_GL_ERROR(glGetProgramBinary(programHandle, binaryLength, NULL, (GLenum *)newMicrocode->getPtr(), newMicrocode->getPtr() + sizeof(GLenum)));
// std::vector<uchar> buffer(binaryLength);
// GLenum format(0);
// OGRE_CHECK_GL_ERROR(glGetProgramBinary(programHandle, binaryLength, NULL, &format, &buffer[0]));
// GLenum binaryFormat = 0;
// std::vector<uchar> binaryData(binaryLength);
// newMicrocode->read(&binaryFormat, sizeof(GLenum));
// newMicrocode->read(&binaryData[0], binaryLength);
GpuProgramManager::getSingleton().addMicrocodeToCache(programName, newMicrocode);
}
}
}
bool GLSLESProgram::compile(const bool checkErrors)
{
if (mCompiled == 1)
{
return true;
}
// Only create a shader object if glsl es is supported
if (isSupported())
{
// Create shader object
GLenum shaderType = 0x0000;
if (mType == GPT_VERTEX_PROGRAM)
{
shaderType = GL_VERTEX_SHADER;
}
else if (mType == GPT_FRAGMENT_PROGRAM)
{
shaderType = GL_FRAGMENT_SHADER;
}
OGRE_CHECK_GL_ERROR(mGLShaderHandle = glCreateShader(shaderType));
#if OGRE_PLATFORM != OGRE_PLATFORM_NACL
if(getGLES2SupportRef()->checkExtension("GL_EXT_debug_label"))
{
OGRE_IF_IOS_VERSION_IS_GREATER_THAN(5.0)
glLabelObjectEXT(GL_SHADER_OBJECT_EXT, mGLShaderHandle, 0, mName.c_str());
}
#endif
if(Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS))
{
OGRE_CHECK_GL_ERROR(mGLProgramHandle = glCreateProgram());
#if OGRE_PLATFORM != OGRE_PLATFORM_NACL
if(getGLES2SupportRef()->checkExtension("GL_EXT_debug_label"))
{
OGRE_IF_IOS_VERSION_IS_GREATER_THAN(5.0)
glLabelObjectEXT(GL_PROGRAM_OBJECT_EXT, mGLProgramHandle, 0, mName.c_str());
}
#endif
}
}
// Add preprocessor extras and main source
if (!mSource.empty())
{
// Fix up the source in case someone forgot to redeclare gl_Position
if(Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS) &&
mType == GPT_VERTEX_PROGRAM)
{
size_t versionPos = mSource.find("#version");
int shaderVersion = StringConverter::parseInt(mSource.substr(versionPos+9, 3));
// Check that it's missing and that this shader has a main function, ie. not a child shader.
if(mSource.find("out highp vec4 gl_Position") == String::npos)
{
if(shaderVersion >= 300)
mSource.insert(versionPos+16, "out highp vec4 gl_Position;\nout highp float gl_PointSize;\n");
}
if(mSource.find("#extension GL_EXT_separate_shader_objects : require") == String::npos)
{
if(shaderVersion >= 300)
mSource.insert(versionPos+16, "#extension GL_EXT_separate_shader_objects : require\n");
}
}
#if !OGRE_NO_GLES2_GLSL_OPTIMISER
const char *source = (getOptimiserEnabled() && getIsOptimised()) ? mOptimisedSource.c_str() : mSource.c_str();
#else
const char *source = mSource.c_str();
#endif
OGRE_CHECK_GL_ERROR(glShaderSource(mGLShaderHandle, 1, &source, NULL));
}
if (checkErrors)
logObjectInfo("GLSL ES compiling: " + mName, mGLShaderHandle);
OGRE_CHECK_GL_ERROR(glCompileShader(mGLShaderHandle));
// Check for compile errors
OGRE_CHECK_GL_ERROR(glGetShaderiv(mGLShaderHandle, GL_COMPILE_STATUS, &mCompiled));
if(!mCompiled && checkErrors)
{
String message = logObjectInfo("GLSL ES compile log: " + mName, mGLShaderHandle);
checkAndFixInvalidDefaultPrecisionError(message);
}
// Log a message that the shader compiled successfully.
if (mCompiled && checkErrors)
logObjectInfo("GLSL ES compiled: " + mName, mGLShaderHandle);
if(!mCompiled)
{
OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR,
((mType == GPT_VERTEX_PROGRAM) ? "Vertex Program " : "Fragment Program ") + mName +
" failed to compile. See compile log above for details.",
"GLSLESProgram::compile");
}
return (mCompiled == 1);
}
void GL3PlusRenderToVertexBuffer::bindVerticesOutput(Pass* pass)
{
VertexDeclaration* declaration = mVertexData->vertexDeclaration;
size_t elemCount = declaration->getElementCount();
if (elemCount == 0)
return;
// Get program object ID.
GLuint programId = 0;
if (Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS))
{
GLSLSeparableProgram* separableProgram =
GLSLSeparableProgramManager::getSingleton().getCurrentSeparableProgram();
GLSLShader* glslGpuProgram = 0;
if ((glslGpuProgram = separableProgram->getGeometryShader()))
programId = glslGpuProgram->getGLProgramHandle();
//TODO include tessellation stages
else // vertex program
programId = separableProgram->getVertexShader()->getGLProgramHandle();
}
else
{
GLSLMonolithicProgram* monolithicProgram = GLSLMonolithicProgramManager::getSingleton().getActiveMonolithicProgram();
programId = monolithicProgram->getGLProgramHandle();
}
// Store the output in a buffer. The buffer has the same
// structure as the shader output vertex data.
// Note: 64 is the minimum number of interleaved
// attributes allowed by GL_EXT_transform_feedback so we
// are using it. Otherwise we could query during
// rendersystem initialisation and use a dynamic sized
// array. But that would require C99.
size_t sourceBufferIndex = mTargetBufferIndex == 0 ? 1 : 0;
// Bind and fill vertex arrays + buffers.
reallocateBuffer(sourceBufferIndex);
reallocateBuffer(mTargetBufferIndex);
// GL3PlusHardwareVertexBuffer* sourceVertexBuffer = static_cast<GL3PlusHardwareVertexBuffer*>(mVertexBuffers[mSourceBufferIndex].getPointer());
// GL3PlusHardwareVertexBuffer* targetVertexBuffer = static_cast<GL3PlusHardwareVertexBuffer*>(mVertexBuffers[mTargetBufferIndex].getPointer());
//TODO GL4+ glBindTransformFeedback
// Dynamically determine shader output variable names.
std::vector<String> nameStrings;
std::vector<const GLchar*> names;
for (uint e = 0; e < elemCount; e++)
{
const VertexElement* element = declaration->getElement(e);
String name = getSemanticVaryingName(element->getSemantic(), element->getIndex());
nameStrings.push_back(name);
}
// Convert to const char * for GL
for (uint e = 0; e < elemCount; e++)
{
names.push_back(nameStrings[e].c_str());
}
//TODO replace glTransformFeedbackVaryings with in-shader specification (GL 4.4)
OGRE_CHECK_GL_ERROR(glTransformFeedbackVaryings(programId, elemCount, &names[0], GL_INTERLEAVED_ATTRIBS));
if (Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS))
{
GLSLSeparableProgram* separableProgram =
GLSLSeparableProgramManager::getSingleton().getCurrentSeparableProgram();
separableProgram->activate();
}
else
{
OGRE_CHECK_GL_ERROR(glLinkProgram(programId));
}
#if OGRE_DEBUG_MODE
// Check if program linking was successful.
GLint didLink = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv(programId, GL_LINK_STATUS, &didLink));
logObjectInfo(String("RVB GLSL link result : "), programId);
if (glIsProgram(programId))
{
glValidateProgram(programId);
}
logObjectInfo(String("RVB GLSL validation result : "), programId);
// Check if varyings were successfully set.
GLchar Name[64];
GLsizei Length(0);
GLsizei Size(0);
GLenum Type(0);
// bool Validated = false;
for (size_t i = 0; i < elemCount; i++)
{
OGRE_CHECK_GL_ERROR(glGetTransformFeedbackVarying(
programId, i, 64, &Length, &Size, &Type, Name
));
std::cout << "Varying " << i << ": " << Name <<" "<< Length <<" "<< Size <<" "<< Type << std::endl;
// Validated = (Size == 1) && (Type == GL_FLOAT_VEC3);
// std::cout << Validated << " " << GL_FLOAT_VEC3 << std::endl;
}
#endif
}
bool GLSLESProgram::compile(const bool checkErrors)
{
if (mCompiled == 1)
{
return true;
}
// Only create a shader object if glsl es is supported
if (isSupported())
{
GL_CHECK_ERROR
// Create shader object
GLenum shaderType = 0x0000;
if (mType == GPT_VERTEX_PROGRAM)
{
shaderType = GL_VERTEX_SHADER;
}
else if (mType == GPT_FRAGMENT_PROGRAM)
{
shaderType = GL_FRAGMENT_SHADER;
}
mGLShaderHandle = glCreateShader(shaderType);
GL_CHECK_ERROR
#if GL_EXT_debug_label && OGRE_PLATFORM != OGRE_PLATFORM_NACL
glLabelObjectEXT(GL_SHADER_OBJECT_EXT, mGLShaderHandle, 0, mName.c_str());
#endif
if(Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS))
{
mGLProgramHandle = glCreateProgram();
GL_CHECK_ERROR
#if GL_EXT_debug_label && OGRE_PLATFORM != OGRE_PLATFORM_NACL
glLabelObjectEXT(GL_PROGRAM_OBJECT_EXT, mGLProgramHandle, 0, mName.c_str());
#endif
}
}
// Add preprocessor extras and main source
if (!mSource.empty())
{
const char *source = mSource.c_str();
glShaderSource(mGLShaderHandle, 1, &source, NULL);
// Check for load errors
GL_CHECK_ERROR
}
if (checkErrors)
logObjectInfo("GLSL ES compiling: " + mName, mGLShaderHandle);
glCompileShader(mGLShaderHandle);
GL_CHECK_ERROR
// Check for compile errors
glGetShaderiv(mGLShaderHandle, GL_COMPILE_STATUS, &mCompiled);
if(!mCompiled && checkErrors)
{
String message = logObjectInfo("GLSL ES compile log: " + mName, mGLShaderHandle);
checkAndFixInvalidDefaultPrecisionError(message);
}
// Log a message that the shader compiled successfully.
if (mCompiled && checkErrors)
logObjectInfo("GLSL ES compiled: " + mName, mGLShaderHandle);
if(!mCompiled)
OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR,
((mType == GPT_VERTEX_PROGRAM) ? "Vertex Program " : "Fragment Program ") + mName +
" failed to compile. See compile log above for details.",
"GLSLESProgram::compile");
return (mCompiled == 1);
}
void GLSLESProgramPipeline::compileAndLink()
{
#if GL_EXT_separate_shader_objects
GLint linkStatus = 0;
glGenProgramPipelinesEXT(1, &mGLProgramPipelineHandle);
GL_CHECK_ERROR
glBindProgramPipelineEXT(mGLProgramPipelineHandle);
GL_CHECK_ERROR
// Compile and attach Vertex Program
if(mVertexProgram && !mVertexProgram->isLinked())
{
if (!mVertexProgram->getGLSLProgram()->compile(true))
{
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = mVertexProgram->getGLSLProgram()->getGLProgramHandle();
glProgramParameteriEXT(programHandle, GL_PROGRAM_SEPARABLE_EXT, GL_TRUE);
GL_CHECK_ERROR
mVertexProgram->getGLSLProgram()->attachToProgramObject(programHandle);
glLinkProgram(programHandle);
GL_CHECK_ERROR
glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus);
GL_CHECK_ERROR
if(linkStatus)
{
mVertexProgram->setLinked(linkStatus);
mLinked |= VERTEX_PROGRAM_LINKED;
}
GL_CHECK_ERROR
// TODO: Just fail out here if the program doesn't link?
mTriedToLinkAndFailed = !linkStatus;
logObjectInfo( getCombinedName() + String("GLSL vertex program result : "), programHandle );
setSkeletalAnimationIncluded(mVertexProgram->isSkeletalAnimationIncluded());
}
// Compile and attach Fragment Program
if(mFragmentProgram && !mFragmentProgram->isLinked())
{
if (!mFragmentProgram->getGLSLProgram()->compile(true))
{
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = mFragmentProgram->getGLSLProgram()->getGLProgramHandle();
glProgramParameteriEXT(programHandle, GL_PROGRAM_SEPARABLE_EXT, GL_TRUE);
GL_CHECK_ERROR
mFragmentProgram->getGLSLProgram()->attachToProgramObject(programHandle);
glLinkProgram(programHandle);
GL_CHECK_ERROR
glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus);
GL_CHECK_ERROR
if(linkStatus)
{
mFragmentProgram->setLinked(linkStatus);
mLinked |= FRAGMENT_PROGRAM_LINKED;
}
mTriedToLinkAndFailed = !linkStatus;
logObjectInfo( getCombinedName() + String("GLSL fragment program result : "), programHandle );
}
if(mLinked)
{
if ( GpuProgramManager::getSingleton().getSaveMicrocodesToCache() )
{
// Add to the microcode to the cache
String name;
name = getCombinedName();
// Get buffer size
GLint binaryLength = 0;
#if GL_OES_get_program_binary
glGetProgramiv(mGLHandle, GL_PROGRAM_BINARY_LENGTH_OES, &binaryLength);
GL_CHECK_ERROR;
#endif
// Create microcode
GpuProgramManager::Microcode newMicrocode =
GpuProgramManager::getSingleton().createMicrocode((unsigned long)binaryLength + sizeof(GLenum));
#if GL_OES_get_program_binary
// Get binary
glGetProgramBinaryOES(mGLHandle, binaryLength, NULL, (GLenum *)newMicrocode->getPtr(), newMicrocode->getPtr() + sizeof(GLenum));
GL_CHECK_ERROR;
#endif
// Add to the microcode to the cache
GpuProgramManager::getSingleton().addMicrocodeToCache(name, newMicrocode);
}
if(mVertexProgram && mVertexProgram->isLinked())
{
glUseProgramStagesEXT(mGLProgramPipelineHandle, GL_VERTEX_SHADER_BIT_EXT, mVertexProgram->getGLSLProgram()->getGLProgramHandle());
GL_CHECK_ERROR
}
if(mFragmentProgram && mFragmentProgram->isLinked())
{
glUseProgramStagesEXT(mGLProgramPipelineHandle, GL_FRAGMENT_SHADER_BIT_EXT, mFragmentProgram->getGLSLProgram()->getGLProgramHandle());
GL_CHECK_ERROR
}
//-----------------------------------------------------------------------
void GLSLLinkProgram::compileAndLink()
{
mVertexArrayObject = new GL3PlusVertexArrayObject();
mVertexArrayObject->bind();
// Compile and attach Vertex Program
if (mVertexProgram)
{
if (!mVertexProgram->getGLSLProgram()->compile(true))
{
mTriedToLinkAndFailed = true;
return;
}
mVertexProgram->getGLSLProgram()->attachToProgramObject(mGLProgramHandle);
setSkeletalAnimationIncluded(mVertexProgram->isSkeletalAnimationIncluded());
}
// Compile and attach Fragment Program
if (mFragmentProgram)
{
if (!mFragmentProgram->getGLSLProgram()->compile(true))
{
mTriedToLinkAndFailed = true;
return;
}
mFragmentProgram->getGLSLProgram()->attachToProgramObject(mGLProgramHandle);
}
// Compile and attach Geometry Program
if (mGeometryProgram)
{
if (!mGeometryProgram->getGLSLProgram()->compile(true))
{
return;
}
mGeometryProgram->getGLSLProgram()->attachToProgramObject(mGLProgramHandle);
}
// Compile and attach Tessellation Control Program
if (mHullProgram)
{
if (!mHullProgram->getGLSLProgram()->compile(true))
{
return;
}
mHullProgram->getGLSLProgram()->attachToProgramObject(mGLProgramHandle);
}
// Compile and attach Tessellation Evaluation Program
if (mDomainProgram)
{
if (!mDomainProgram->getGLSLProgram()->compile(true))
{
return;
}
mDomainProgram->getGLSLProgram()->attachToProgramObject(mGLProgramHandle);
}
// Compile and attach Compute Program
if (mComputeProgram)
{
if (!mComputeProgram->getGLSLProgram()->compile(true))
{
return;
}
mComputeProgram->getGLSLProgram()->attachToProgramObject(mGLProgramHandle);
}
// the link
OGRE_CHECK_GL_ERROR(glLinkProgram( mGLProgramHandle ));
OGRE_CHECK_GL_ERROR(glGetProgramiv( mGLProgramHandle, GL_LINK_STATUS, &mLinked ));
mTriedToLinkAndFailed = !mLinked;
logObjectInfo( getCombinedName() + String(" GLSL link result : "), mGLProgramHandle );
if(glIsProgram(mGLProgramHandle))
{
OGRE_CHECK_GL_ERROR(glValidateProgram(mGLProgramHandle));
}
logObjectInfo( getCombinedName() + String(" GLSL validation result : "), mGLProgramHandle );
if(mLinked)
{
if ( GpuProgramManager::getSingleton().getSaveMicrocodesToCache() )
{
// add to the microcode to the cache
String name;
name = getCombinedName();
// get buffer size
GLint binaryLength = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv(mGLProgramHandle, GL_PROGRAM_BINARY_LENGTH, &binaryLength));
// create microcode
GpuProgramManager::Microcode newMicrocode =
GpuProgramManager::getSingleton().createMicrocode(binaryLength + sizeof(GLenum));
// get binary
OGRE_CHECK_GL_ERROR(glGetProgramBinary(mGLProgramHandle, binaryLength, NULL, (GLenum *)newMicrocode->getPtr(), newMicrocode->getPtr() + sizeof(GLenum)));
// add to the microcode to the cache
GpuProgramManager::getSingleton().addMicrocodeToCache(name, newMicrocode);
}
}
}
//---------------------------------------------------------------------------
bool GLSLProgram::compile(const bool checkErrors)
{
if (mCompiled == 1)
{
return true;
}
// only create a shader object if glsl is supported
if (isSupported())
{
// create shader object
GLenum shaderType = 0x0000;
switch (mType)
{
case GPT_VERTEX_PROGRAM:
shaderType = GL_VERTEX_SHADER;
break;
case GPT_FRAGMENT_PROGRAM:
shaderType = GL_FRAGMENT_SHADER;
break;
case GPT_GEOMETRY_PROGRAM:
shaderType = GL_GEOMETRY_SHADER;
break;
case GPT_DOMAIN_PROGRAM:
shaderType = GL_TESS_EVALUATION_SHADER;
break;
case GPT_HULL_PROGRAM:
shaderType = GL_TESS_CONTROL_SHADER;
break;
case GPT_COMPUTE_PROGRAM:
shaderType = GL_COMPUTE_SHADER;
break;
}
OGRE_CHECK_GL_ERROR(mGLShaderHandle = glCreateShader(shaderType));
// if(getGLSupport()->checkExtension("GL_KHR_debug") || gl3wIsSupported(4, 3))
// glObjectLabel(GL_SHADER, mGLShaderHandle, 0, mName.c_str());
if(Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS))
{
OGRE_CHECK_GL_ERROR(mGLProgramHandle = glCreateProgram());
// if(getGLSupport()->checkExtension("GL_KHR_debug") || gl3wIsSupported(4, 3))
// glObjectLabel(GL_PROGRAM, mGLProgramHandle, 0, mName.c_str());
}
}
// Add preprocessor extras and main source
if (!mSource.empty())
{
// Fix up the source in case someone forgot to redeclare gl_Position
if(Root::getSingleton().getRenderSystem()->getCapabilities()->hasCapability(RSC_SEPARATE_SHADER_OBJECTS) &&
mType == GPT_VERTEX_PROGRAM)
{
// Check that it's missing and that this shader has a main function, ie. not a child shader.
if(mSource.find("vec4 gl_Position") == String::npos)
{
size_t mainPos = mSource.find("void main");
if(mainPos != String::npos)
{
size_t versionPos = mSource.find("#version");
int shaderVersion = StringConverter::parseInt(mSource.substr(versionPos+9, 3));
if(shaderVersion >= 150)
mSource.insert(mainPos, "out gl_PerVertex\n{\nvec4 gl_Position;\nfloat gl_PointSize;\nfloat gl_ClipDistance[];\n};\n");
}
}
}
const char *source = mSource.c_str();
OGRE_CHECK_GL_ERROR(glShaderSource(mGLShaderHandle, 1, &source, NULL));
}
OGRE_CHECK_GL_ERROR(glCompileShader(mGLShaderHandle));
// Check for compile errors
OGRE_CHECK_GL_ERROR(glGetShaderiv(mGLShaderHandle, GL_COMPILE_STATUS, &mCompiled));
if(!mCompiled && checkErrors)
{
String message = logObjectInfo("GLSL compile log: " + mName, mGLShaderHandle);
checkAndFixInvalidDefaultPrecisionError(message);
}
// Log a message that the shader compiled successfully.
if (mCompiled && checkErrors)
logObjectInfo("GLSL compiled: " + mName, mGLShaderHandle);
if(!mCompiled)
{
String progType = "Fragment";
if (mType == GPT_VERTEX_PROGRAM)
{
progType = "Vertex";
}
else if (mType == GPT_GEOMETRY_PROGRAM)
{
progType = "Geometry";
}
else if (mType == GPT_DOMAIN_PROGRAM)
{
progType = "Tesselation Evaluation";
}
else if (mType == GPT_HULL_PROGRAM)
{
progType = "Tesselation Control";
}
else if (mType == GPT_COMPUTE_PROGRAM)
{
progType = "Compute";
}
OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR,
progType + " Program " + mName +
" failed to compile. See compile log above for details.",
"GLSLProgram::compile");
}
return (mCompiled == 1);
}
void GLSLESProgramPipeline::compileAndLink()
{
#if GL_EXT_separate_shader_objects && 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(mVertexProgram && !mVertexProgram->isLinked())
{
try
{
mVertexProgram->getGLSLProgram()->compile(true);
}
catch (Exception& e)
{
LogManager::getSingleton().stream() << e.getDescription();
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = mVertexProgram->getGLSLProgram()->getGLProgramHandle();
OGRE_CHECK_GL_ERROR(glProgramParameteriEXT(programHandle, GL_PROGRAM_SEPARABLE_EXT, GL_TRUE));
mVertexProgram->getGLSLProgram()->attachToProgramObject(programHandle);
OGRE_CHECK_GL_ERROR(glLinkProgram(programHandle));
OGRE_CHECK_GL_ERROR(glGetProgramiv(programHandle, GL_LINK_STATUS, &linkStatus));
if(linkStatus)
{
mVertexProgram->setLinked(linkStatus);
mLinked |= VERTEX_PROGRAM_LINKED;
}
mTriedToLinkAndFailed = !linkStatus;
logObjectInfo( getCombinedName() + String("GLSL vertex program result : "), programHandle );
setSkeletalAnimationIncluded(mVertexProgram->isSkeletalAnimationIncluded());
}
// Compile and attach Fragment Program
if(mFragmentProgram && !mFragmentProgram->isLinked())
{
try
{
mFragmentProgram->getGLSLProgram()->compile(true);
}
catch (Exception& e)
{
LogManager::getSingleton().stream() << e.getDescription();
mTriedToLinkAndFailed = true;
return;
}
GLuint programHandle = mFragmentProgram->getGLSLProgram()->getGLProgramHandle();
OGRE_CHECK_GL_ERROR(glProgramParameteriEXT(programHandle, GL_PROGRAM_SEPARABLE_EXT, GL_TRUE));
mFragmentProgram->getGLSLProgram()->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;
logObjectInfo( getCombinedName() + String("GLSL fragment program result : "), programHandle );
}
if(mLinked)
{
if(mVertexProgram && mVertexProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStagesEXT(mGLProgramPipelineHandle, GL_VERTEX_SHADER_BIT_EXT, mVertexProgram->getGLSLProgram()->getGLProgramHandle()));
}
if(mFragmentProgram && mFragmentProgram->isLinked())
{
OGRE_CHECK_GL_ERROR(glUseProgramStagesEXT(mGLProgramPipelineHandle, GL_FRAGMENT_SHADER_BIT_EXT, mFragmentProgram->getGLSLProgram()->getGLProgramHandle()));
}
// Validate pipeline
logObjectInfo( getCombinedName() + String("GLSL program pipeline result : "), mGLProgramPipelineHandle );
#if GL_EXT_debug_label && OGRE_PLATFORM != OGRE_PLATFORM_NACL
if(mVertexProgram && mFragmentProgram)
OGRE_IF_IOS_VERSION_IS_GREATER_THAN(5.0)
glLabelObjectEXT(GL_PROGRAM_PIPELINE_OBJECT_EXT, mGLProgramPipelineHandle, 0,
(mVertexProgram->getName() + "/" + mFragmentProgram->getName()).c_str());
#endif
}
#endif
}
