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61 lines
2.4 KiB
C++
61 lines
2.4 KiB
C++
6 years ago
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#include "gldebug.hpp"
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#include <components/debug/debuglog.hpp>
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// OpenGL constants not provided by OSG:
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#define GL_DEBUG_OUTPUT 0x92E0
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#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
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#define GL_DEBUG_TYPE_ERROR 0x824C
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void debugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam)
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{
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Log(Debug::Error) << message;
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}
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void enableGLDebugExtension(unsigned int contextID)
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{
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typedef void (GL_APIENTRY *DEBUGPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam);
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typedef void (GL_APIENTRY *GLDebugMessageControlFunction)(GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled);
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typedef void (GL_APIENTRY *GLDebugMessageCallbackFunction)(DEBUGPROC, const void* userParam);
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GLDebugMessageControlFunction glDebugMessageControl = nullptr;
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GLDebugMessageCallbackFunction glDebugMessageCallback = nullptr;
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if (osg::isGLExtensionSupported(contextID, "GL_KHR_debug"))
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{
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osg::setGLExtensionFuncPtr(glDebugMessageCallback, "glDebugMessageCallback");
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osg::setGLExtensionFuncPtr(glDebugMessageControl, "glDebugMessageControl");
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}
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else if (osg::isGLExtensionSupported(contextID, "GL_ARB_debug_output"))
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{
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osg::setGLExtensionFuncPtr(glDebugMessageCallback, "glDebugMessageCallbackARB");
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osg::setGLExtensionFuncPtr(glDebugMessageControl, "glDebugMessageControlARB");
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}
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else if (osg::isGLExtensionSupported(contextID, "GL_AMD_debug_output"))
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{
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osg::setGLExtensionFuncPtr(glDebugMessageCallback, "glDebugMessageCallbackAMD");
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osg::setGLExtensionFuncPtr(glDebugMessageControl, "glDebugMessageControlAMD");
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}
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if (glDebugMessageCallback && glDebugMessageControl)
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{
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glEnable(GL_DEBUG_OUTPUT);
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glDebugMessageControl(GL_DONT_CARE, GL_DEBUG_TYPE_ERROR, GL_DEBUG_SEVERITY_MEDIUM, 0, nullptr, true);
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glDebugMessageCallback(debugCallback, nullptr);
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Log(Debug::Info) << "OpenGL debug callback attached.";
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}
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}
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EnableGLDebugOperation::EnableGLDebugOperation() : osg::GraphicsOperation("EnableGLDebugOperation", false)
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{
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}
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void EnableGLDebugOperation::operator()(osg::GraphicsContext* graphicsContext)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(mMutex);
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unsigned int contextID = graphicsContext->getState()->getContextID();
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enableGLDebugExtension(contextID);
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}
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