//-----------------------------------------------------------------------
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 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 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 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 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());
}
}
