Merge remote-tracking branch 'origin/khr_debug' into khr_debug
AnyOldName3
4 years ago
commit
441c09578a
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// This file is based heavily on code from https://github.com/ThermalPixel/osgdemos/blob/master/osgdebug/EnableGLDebugOperation.cpp
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// The original licence is included below:
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/*
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Copyright (c) 2014, Andreas Klein
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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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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#include <SDL_opengl_glext.h>
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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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std::string srcStr;
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switch (source)
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{
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case GL_DEBUG_SOURCE_API:
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srcStr = "API";
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break;
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case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
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srcStr = "WINDOW_SYSTEM";
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break;
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case GL_DEBUG_SOURCE_SHADER_COMPILER:
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srcStr = "SHADER_COMPILER";
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break;
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case GL_DEBUG_SOURCE_THIRD_PARTY:
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srcStr = "THIRD_PARTY";
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break;
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case GL_DEBUG_SOURCE_APPLICATION:
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srcStr = "APPLICATION";
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break;
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case GL_DEBUG_SOURCE_OTHER:
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srcStr = "OTHER";
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break;
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default:
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srcStr = "UNDEFINED";
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break;
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}
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std::string typeStr;
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Debug::Level logSeverity = Debug::Warning;
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switch (type)
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{
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case GL_DEBUG_TYPE_ERROR:
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typeStr = "ERROR";
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logSeverity = Debug::Error;
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break;
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case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
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typeStr = "DEPRECATED_BEHAVIOR";
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break;
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case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
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typeStr = "UNDEFINED_BEHAVIOR";
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break;
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case GL_DEBUG_TYPE_PORTABILITY:
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typeStr = "PORTABILITY";
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break;
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case GL_DEBUG_TYPE_PERFORMANCE:
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typeStr = "PERFORMANCE";
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break;
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case GL_DEBUG_TYPE_OTHER:
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typeStr = "OTHER";
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break;
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default:
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typeStr = "UNDEFINED";
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break;
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}
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Log(logSeverity) << "OpenGL " << typeStr << " [" << srcStr << "]: " << 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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else
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Log(Debug::Error) << "Unable to attach OpenGL debug callback.";
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}
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Debug::EnableGLDebugOperation::EnableGLDebugOperation() : osg::GraphicsOperation("EnableGLDebugOperation", false)
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{
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}
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void Debug::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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@ -0,0 +1,19 @@
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#ifndef OPENMW_COMPONENTS_DEBUG_GLDEBUG_H
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#define OPENMW_COMPONENTS_DEBUG_GLDEBUG_H
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#include <osgViewer/ViewerEventHandlers>
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namespace Debug
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{
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class EnableGLDebugOperation : public osg::GraphicsOperation
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{
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public:
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EnableGLDebugOperation();
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virtual void operator()(osg::GraphicsContext* graphicsContext);
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private:
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OpenThreads::Mutex mMutex;
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};
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}
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#endif
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