void ComputeShaderChunk::onDestroy(UInt32 uiId)
{
if(getGLId() > 0)
Window::destroyGLObject(getGLId(), 1);
Inherited::onDestroy(uiId);
}
void FragmentProgramChunk::onDestroy(UInt32 uiContainerId)
{
if(getGLId() > 0)
Window::destroyGLObject(getGLId(), 1);
Inherited::onDestroy(uiContainerId);
}
void ShaderExecutableChunk::onDestroy(UInt32 uiId)
{
if(getGLId() > 0)
Window::destroyGLObject(getGLId(), 1);
Inherited::onDestroy(uiId);
}
void ComputeShaderChunk::activate(DrawEnv *pEnv,
UInt32 uiIdx)
{
Window *pWin = pEnv->getWindow();
UInt32 uiValRes = pWin->validateGLObject(getGLId(),
pEnv,
KeepProgActive);
GLuint uiProgId = GLuint(pWin->getGLObjectId(getGLId()));
if(uiProgId == 0)
return;
pEnv->setActiveShader(uiProgId);
if(0x0000 == (uiValRes & ProgActive))
{
OSGGETGLFUNCBYID_GL3_ES(glUseProgram,
osgGlUseProgram,
ShaderProgram::getFuncIdUseProgram(),
pWin);
osgGlUseProgram(uiProgId);
}
pEnv->incNumShaderChanges();
updateProceduralVariables(pEnv, ShaderProcVariable::SHDAll);
}
void *GeoVectorBufferRefProperty::mapBuffer(GLenum eAccess, DrawEnv *pEnv)
{
void *returnValue = NULL;
if((getUseVBO() == true) && (getGLId() != 0))
{
Window *pWin = pEnv->getWindow();
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
pWin);
OSGGETGLFUNCBYID( OSGglMapBufferARB,
osgGlMapBufferARB,
_funcMapBuffer,
pWin);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB,
getGLId());
returnValue = osgGlMapBufferARB(GL_ARRAY_BUFFER_ARB, eAccess);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
return returnValue;
}
bool GeoVectorProperty::unmapBuffer(DrawEnv *pEnv)
{
bool returnValue = true;
if((getUseVBO() == true) && (getGLId() != 0))
{
Window *pWin = pEnv->getWindow();
osgSinkUnusedWarning(pWin);
OSGGETGLFUNCBYID_GL3_ES( glBindBuffer,
osgGlBindBuffer,
_funcBindBuffer,
pWin);
OSGGETGLFUNCBYID_GL3 ( glUnmapBuffer,
osgGlUnmapBuffer,
_funcUnmapBuffer,
pWin);
osgGlBindBuffer(GL_ARRAY_BUFFER_ARB,
pWin->getGLObjectId(getGLId()));
returnValue = (osgGlUnmapBuffer(GL_ARRAY_BUFFER_ARB) != 0);
osgGlBindBuffer(GL_ARRAY_BUFFER_ARB, 0);
}
return returnValue;
}
void *GeoVectorProperty::mapBuffer(GLenum eAccess, DrawEnv *pEnv)
{
void *returnValue = NULL;
if((getUseVBO() == true) && (getGLId() != 0))
{
Window *pWin = pEnv->getWindow();
osgSinkUnusedWarning(pWin);
OSGGETGLFUNCBYID_GL3_ES( glBindBuffer,
osgGlBindBuffer,
_funcBindBuffer,
pWin);
OSGGETGLFUNCBYID_GL3 ( glMapBuffer,
osgGlMapBuffer,
_funcMapBuffer,
pWin);
pWin->validateGLObject(getGLId(), pEnv);
osgGlBindBuffer(GL_ARRAY_BUFFER_ARB,
pWin->getGLObjectId(getGLId()));
returnValue = osgGlMapBuffer(GL_ARRAY_BUFFER_ARB, eAccess);
osgGlBindBuffer(GL_ARRAY_BUFFER_ARB, 0);
}
return returnValue;
}
void GeoIntegralBufferRefProperty::changeFrom(DrawEnv *pEnv,
StateChunk *old,
UInt32 slot)
{
// change from me to me?
// this assumes I haven't changed in the meantime.
if(old == this)
return;
Window *win = pEnv->getWindow();
GeoIntegralProperty *o = dynamic_cast<GeoIntegralProperty*>(old);
if(!win->hasExtension(_extVertexBufferObject))
return;
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
win);
if(getGLId() != 0 && getUseVBO()) // Do we have a VBO?
{
osgGlBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
getGLId());
}
else if(o != NULL && o->getGLId() != 0 && o->getUseVBO())
{
osgGlBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
}
bool GeoVectorBufferRefProperty::unmapBuffer(DrawEnv *pEnv)
{
bool returnValue = true;
if((getUseVBO() == true) && (getGLId() != 0))
{
Window *pWin = pEnv->getWindow();
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
pWin);
OSGGETGLFUNCBYID( OSGglUnmapBufferARB,
osgGlUnmapBufferARB,
_funcUnmapBuffer,
pWin);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB,
getGLId());
returnValue = osgGlUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
osgGlBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
return returnValue;
}
void CubeTextureObjChunk::onDestroy(UInt32 uiContainerId)
{
if(getGLId() > 0)
Window::destroyGLObject(getGLId(), 1);
// skip TextureObjChunk::onDestroy
TextureBaseChunk::onDestroy(uiContainerId);
}
void GeoMultiPropertyData::onDestroy(UInt32 uiContainerId)
{
if(getGLId() > 0)
{
Window::destroyGLObject(getGLId(), 1);
}
Inherited::onDestroy(uiContainerId);
}
std::string Shader::getSource() const
{
GLint sourceLength;
glGetShaderiv( getGLId(), GL_SHADER_SOURCE_LENGTH, &sourceLength );
std::vector<char> source( sourceLength );
glGetShaderSource( getGLId(), sourceLength, nullptr, source.data() );
return( source.data() );
}
void GeoVectorBufferProperty::onDestroy(UInt32 uiContainerId)
{
if(getGLId() > 0)
{
Window::destroyGLObject(getGLId(), 1);
}
Inherited::onDestroy(uiContainerId);
}
std::pair<GLenum,std::vector<char>> Program::getBinary() const
{
GLint binaryLength(0);
glGetProgramiv( getGLId(), GL_PROGRAM_BINARY_LENGTH, &binaryLength );
GLenum binaryFormat(0);
std::vector<char> binary(binaryLength);
glGetProgramBinary( getGLId(), binaryLength, nullptr, &binaryFormat, binary.data() );
return( std::make_pair( binaryFormat, binary ) );
}
void ComputeShaderChunk::changeFrom(DrawEnv *pEnv,
StateChunk *pOther,
UInt32 uiIdx)
{
ComputeShaderChunk *pOld = dynamic_cast<ComputeShaderChunk *>(pOther);
// pOther can be a ShaderExecutableChunk, since we share the StateClass id
// with it
if(pOld != NULL)
{
Window *pWin = pEnv->getWindow();
GLuint uiProgId = GLuint(pWin->getGLObjectId(getGLId()));
UInt32 uiDep = ShaderProcVariable::SHDObject;
if(uiProgId != pEnv->getActiveShader())
{
UInt32 uiValRes = pWin->validateGLObject(getGLId(),
pEnv,
KeepProgActive);
uiProgId = GLuint(pWin->getGLObjectId(getGLId()));
if(uiProgId == 0)
return;
pEnv->setActiveShader(uiProgId);
if(0x0000 == (uiValRes & ProgActive))
{
OSGGETGLFUNCBYID_GL3_ES(glUseProgram,
osgGlUseProgram,
ShaderProgram::getFuncIdUseProgram(),
pWin);
osgGlUseProgram(uiProgId);
}
uiDep = ShaderProcVariable::SHDAll;
pEnv->incNumShaderChanges();
}
updateProceduralVariables(pEnv, uiDep);
}
else
{
pOther->deactivate(pEnv, uiIdx);
activate (pEnv, uiIdx);
pEnv->incNumShaderChanges();
}
}
void ProgramChunk::changed(BitVector whichField, UInt32 origin)
{
Inherited::changed(whichField, origin);
if(whichField & ProgramFieldMask)
{
Window::reinitializeGLObject(getGLId());
}
if(whichField & ParamValuesFieldMask)
{
Window::refreshGLObject(getGLId());
}
}
void RenderBuffer::bind(DrawEnv *pEnv, UInt32 index)
{
Window *pWindow = pEnv->getWindow();
pWindow->validateGLObject(getGLId(), pEnv);
OSGGETGLFUNC( OSGglFramebufferRenderbufferProc,
osgGlFramebufferRenderbufferProc,
_uiFuncFramebufferRenderbuffer );
osgGlFramebufferRenderbufferProc(GL_FRAMEBUFFER_EXT,
index,
GL_RENDERBUFFER_EXT,
pWindow->getGLObjectId(getGLId()));
}
Program::Uniforms Program::getActiveBufferVariables( std::vector<GLuint> const & locationIndices )
{
Program::Uniforms uniforms;
GLint numActiveVariables;
glGetProgramInterfaceiv( getGLId(), GL_BUFFER_VARIABLE, GL_ACTIVE_RESOURCES, &numActiveVariables );
for ( size_t idx = 0; idx < locationIndices.size(); ++idx )
{
GLuint index = locationIndices[idx];
GLenum const properties[] = {
GL_NAME_LENGTH // 0
, GL_BLOCK_INDEX // 1
, GL_TYPE // 2
, GL_ARRAY_SIZE // 3
, GL_OFFSET // 4
, GL_ARRAY_STRIDE // 5
, GL_MATRIX_STRIDE// 6
, GL_IS_ROW_MAJOR // 7
};
GLsizei const numProperties = sizeof dp::util::array(properties);
GLint values[numProperties];
glGetProgramResourceiv( getGLId(), GL_BUFFER_VARIABLE, index, numProperties, properties, numProperties, NULL, values );
Uniform uniform;
// get uniform name
uniform.name.resize(values[0]);
glGetProgramResourceName( getGLId(), GL_BUFFER_VARIABLE, index, GLsizei(uniform.name.size()), NULL, &uniform.name[0]);
uniform.blockIndex = values[1];
uniform.uniformLocation = -1;
uniform.type = values[2];
uniform.arraySize = values[3];
uniform.offset = values[4];
uniform.arrayStride = values[5];
uniform.matrixStride = values[6];
uniform.isRowMajor = (values[7] != 0);
uniforms[uniform.name] = uniform;
}
return uniforms;
}
void GeoIntegralBufferRefProperty::activate(DrawEnv *pEnv, UInt32 slot)
{
Window *win = pEnv->getWindow();
if(!win->hasExtension(_extVertexBufferObject))
return;
if(getGLId() != 0 && getUseVBO()) // Do we have a VBO?
{
OSGGETGLFUNCBYID( OSGglBindBufferARB,
osgGlBindBufferARB,
_funcBindBuffer,
win);
osgGlBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
getGLId());
}
}
void ShaderProgram::onDestroy(UInt32 uiId)
{
if(GlobalSystemState == OSG::Running)
{
_pProgIdPool->release(_uiProgId);
if(getGLId() > 0)
Window::destroyGLObject(getGLId(), 1);
}
else if(GlobalSystemState == OSG::Shutdown)
{
delete _pProgIdPool;
_pProgIdPool = NULL;
}
Inherited::onDestroy(uiId);
}
void RenderBuffer::changed(ConstFieldMaskArg whichField,
UInt32 origin,
BitVector details)
{
Inherited::changed(whichField, origin, details);
if(0x0000 != (whichField & (WidthFieldMask | HeightFieldMask)))
{
Window::reinitializeGLObject(getGLId());
}
}
void Renderbuffer::resize( int width, int height )
{
if ( m_width != width || m_height != height )
{
m_width = width;
m_height = height;
glBindRenderbuffer( GL_RENDERBUFFER_EXT, getGLId() );
(this->*m_resizeFunc)();
glBindRenderbuffer( GL_RENDERBUFFER_EXT, 0 );
}
}
Renderbuffer::~Renderbuffer()
{
class CleanupTask : public ShareGroupTask
{
public:
CleanupTask( GLuint id ) : m_id( id ) {}
virtual void execute() { glDeleteRenderbuffers( 1, &m_id ); }
private:
GLuint m_id;
};
if ( getGLId() && getShareGroup() )
{
// make destructor exception safe
try
{
getShareGroup()->executeTask( new CleanupTask( getGLId() ) );
} catch (...) {}
}
}
Program::Uniforms Program::getActiveUniforms()
{
GLint numActiveUniforms;
glGetProgramInterfaceiv( getGLId(), GL_UNIFORM, GL_ACTIVE_RESOURCES, &numActiveUniforms );
std::vector<GLuint> indices;
indices.resize(numActiveUniforms);
for (GLint index = 0;index < numActiveUniforms;++index)
{
indices[index] = index;
}
return getActiveUniforms(indices);
}
Program::Uniforms Program::getActiveBufferVariables()
{
GLint numActiveVariables;
glGetProgramInterfaceiv( getGLId(), GL_BUFFER_VARIABLE, GL_ACTIVE_RESOURCES, &numActiveVariables );
std::vector<GLuint> indices;
indices.resize(numActiveVariables);
for (GLint index = 0;index < numActiveVariables;++index)
{
indices[index] = index;
}
return getActiveBufferVariables(indices);
}
void ComputeShaderChunk::deactivate(DrawEnv *pEnv,
UInt32 uiIdx)
{
if(pEnv->getWindow()->getGLObjectId(getGLId()) == 0)
return;
pEnv->setActiveShader(0);
OSGGETGLFUNC_GL3_ES(glUseProgram,
osgGlUseProgram,
ShaderProgram::getFuncIdUseProgram());
osgGlUseProgram(0);
}
Program::Uniforms Program::getActiveBufferVariables( std::vector<std::string> const & names )
{
std::vector<GLuint> indices;
indices.reserve(names.size());
for ( size_t idx = 0; idx < names.size(); ++idx )
{
GLuint locationIndex = glGetProgramResourceIndex( getGLId(), GL_BUFFER_VARIABLE, names[idx].c_str() );
if ( locationIndex != GL_INVALID_INDEX )
{
indices.push_back(GLuint(locationIndex));
}
}
return getActiveBufferVariables( indices );
}
Program::Uniforms Program::getActiveUniforms( std::vector<std::string> const & uniformNames )
{
std::vector<GLuint> indices;
indices.reserve(uniformNames.size());
for ( size_t idx = 0; idx < uniformNames.size(); ++idx )
{
GLuint locationIndex = glGetProgramResourceIndex( getGLId(), GL_UNIFORM, uniformNames[idx].c_str() );
if ( locationIndex != GL_INVALID_INDEX )
{
indices.push_back(GLuint(locationIndex));
}
}
return getActiveUniforms( indices );
}
Shader::~Shader( )
{
if ( getGLId() )
{
if ( getShareGroup() )
{
DEFINE_PTR_TYPES( CleanupTask );
class CleanupTask : public ShareGroupTask
{
public:
static CleanupTaskSharedPtr create( GLuint id )
{
return( std::shared_ptr<CleanupTask>( new CleanupTask( id ) ) );
}
virtual void execute() { glDeleteShader( m_id ); }
protected:
CleanupTask( GLuint id ) : m_id( id ) {}
private:
GLuint m_id;
};
// make destructor exception safe
try
{
getShareGroup()->executeTask( CleanupTask::create( getGLId() ) );
} catch (...) {}
}
else
{
glDeleteShader( getGLId() );
}
}
}
void ShaderExecutableChunk::deactivate(DrawEnv *pEnv,
UInt32 uiIdx)
{
if(pEnv->getWindow()->getGLObjectId(getGLId()) == 0)
return;
OSGGETGLFUNC(OSGglUseProgramProc,
osgGlUseProgram,
ShaderProgram::getFuncIdUseProgram());
if(_sfPointSize.getValue() == true)
{
glDisable(GL_VERTEX_PROGRAM_POINT_SIZE_ARB);
}
pEnv->setActiveShader(0);
pEnv->subRequiredOGLFeature(HardwareContext::HasAttribAliasing);
osgGlUseProgram (0);
}