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Experimenting with GL debug context and GL_ARB_debug_output

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fgenesis 2023-08-09 02:33:52 +02:00
parent 704981dd00
commit 395ff079e9
3 changed files with 109 additions and 1 deletions
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68
BBGE/GLLoad.cpp
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@ -23,9 +23,56 @@ bool void unload_all_glsyms() { return false; }
#define GLAPIENTRY
#endif
#include <GL/glext.h>
static const char *glDebugTypeToStr(unsigned e)
{
switch(e)
{
case GL_DEBUG_TYPE_ERROR_ARB: return " ERR";
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB: return "depr";
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB: return " UB!";
case GL_DEBUG_TYPE_PORTABILITY_ARB: return "port";
case GL_DEBUG_TYPE_PERFORMANCE_ARB: return "perf";
case GL_DEBUG_TYPE_OTHER_ARB: return "othr";
}
return "unknown";
}
static const char *glDebugSeverityToStr(unsigned e)
{
switch(e)
{
case GL_DEBUG_SEVERITY_HIGH_ARB: return "###";
case GL_DEBUG_SEVERITY_MEDIUM_ARB: return "+++";
case GL_DEBUG_SEVERITY_LOW_ARB: return "---";
//case GL_DEBUG_SEVERITY_NOTIFICATION: return " ";
}
return "";
}
static void GLAPIENTRY debugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam)
{
switch(severity)
{
case GL_DEBUG_SEVERITY_HIGH_ARB:
case GL_DEBUG_SEVERITY_MEDIUM_ARB:
case GL_DEBUG_SEVERITY_LOW_ARB:
{
const char *ty = glDebugTypeToStr(type);
const char *sev = glDebugSeverityToStr(severity);
std::ostringstream os;
os << sev << " GL[" << ty << "]: " << message;
debugLog(os.str());
}
break;
/*case GL_DEBUG_SEVERITY_NOTIFICATION:
break;
default:
assert(false);*/
}
}
PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT = NULL;
// GL_ARB_shader_objects
@ -183,6 +230,25 @@ bool lookup_all_glsyms()
glMapBufferARB = (PFNGLMAPBUFFERARBPROC)SDL_GL_GetProcAddress("glMapBufferARB");
glUnmapBufferARB = (PFNGLUNMAPBUFFERARBPROC)SDL_GL_GetProcAddress("glUnmapBufferARB");
#if _DEBUG
//PFNGLDEBUGMESSAGECONTROLARBPROC glDebugMessageControlARB = (PFNGLDEBUGMESSAGECONTROLARBPROC)SDL_GL_GetProcAddress("glDebugMessageControlARB");
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARB = (PFNGLDEBUGMESSAGECALLBACKARBPROC)SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
//PFNGLDEBUGMESSAGEINSERTARBPROC glDebugMessageInsertARB = (PFNGLDEBUGMESSAGEINSERTARBPROC)SDL_GL_GetProcAddress("glDebugMessageInsertARB");
if(glDebugMessageCallbackARB)
{
/*glDebugMessageCallbackARB(debugCallback, NULL);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);*/
}
//if(glDebugMessageControlARB)
// glDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, NULL, 0, GL_TRUE);
//if(glDebugMessageInsertARB)
// glDebugMessageInsertARB(GL_DEBUG_SOURCE_APPLICATION_ARB, GL_DEBUG_TYPE_OTHER_ARB, 0, GL_DEBUG_SEVERITY_HIGH_ARB, 0, "GL debug test");
#endif
return retval;
}