//-----------------------------------------------------------------------
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 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 GLSLESProgramCommon::getMicrocodeFromCache(void)
{
GpuProgramManager::Microcode cacheMicrocode =
GpuProgramManager::getSingleton().getMicrocodeFromCache(getCombinedName());
// add to the microcode to the cache
String name;
name = getCombinedName();
// turns out we need this param when loading
GLenum binaryFormat = 0;
cacheMicrocode->seek(0);
// get size of binary
cacheMicrocode->read(&binaryFormat, sizeof(GLenum));
if(getGLES2SupportRef()->checkExtension("GL_OES_get_program_binary") || gleswIsSupported(3, 0))
{
GLint binaryLength = static_cast<GLint>(cacheMicrocode->size() - sizeof(GLenum));
// load binary
OGRE_CHECK_GL_ERROR(glProgramBinaryOES(mGLProgramHandle,
binaryFormat,
cacheMicrocode->getPtr(),
binaryLength));
}
GLint success = 0;
OGRE_CHECK_GL_ERROR(glGetProgramiv(mGLProgramHandle, GL_LINK_STATUS, &success));
if (!success)
{
//
// 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::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 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);
}
}
}
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
}
// 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
}
// Validate pipeline
logObjectInfo( getCombinedName() + String("GLSL program pipeline result : "), mGLProgramPipelineHandle );
#if GL_EXT_debug_label
glLabelObjectEXT(GL_PROGRAM_PIPELINE_OBJECT_EXT, mGLProgramPipelineHandle, 0,
(mVertexProgram->getName() + "/" + mFragmentProgram->getName()).c_str());
#endif
}
#endif
}
void GLSLESProgramPipeline::_useProgram(void)
{
if (mLinked)
{
#if GL_EXT_separate_shader_objects
GL_CHECK_ERROR
glBindProgramPipelineEXT(mGLProgramPipelineHandle);
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
}
//-----------------------------------------------------------------------
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);
}
}
}
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());
}
}