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Code Issues Releases Wiki Activity

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
View file

@ -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;
}

38
BBGE/RenderBase.h
View file

@ -12,6 +12,44 @@
#include <GL/gl.h>
#include <GL/glext.h>
// Extensions from newer glext.h versions
#ifndef GL_ARB_debug_output
#define GL_ARB_debug_output 1
typedef void (APIENTRY *GLDEBUGPROCARB)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
#define GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB 0x8242
#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB 0x8243
#define GL_DEBUG_CALLBACK_FUNCTION_ARB 0x8244
#define GL_DEBUG_CALLBACK_USER_PARAM_ARB 0x8245
#define GL_DEBUG_SOURCE_API_ARB 0x8246
#define GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB 0x8247
#define GL_DEBUG_SOURCE_SHADER_COMPILER_ARB 0x8248
#define GL_DEBUG_SOURCE_THIRD_PARTY_ARB 0x8249
#define GL_DEBUG_SOURCE_APPLICATION_ARB 0x824A
#define GL_DEBUG_SOURCE_OTHER_ARB 0x824B
#define GL_DEBUG_TYPE_ERROR_ARB 0x824C
#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB 0x824D
#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB 0x824E
#define GL_DEBUG_TYPE_PORTABILITY_ARB 0x824F
#define GL_DEBUG_TYPE_PERFORMANCE_ARB 0x8250
#define GL_DEBUG_TYPE_OTHER_ARB 0x8251
#define GL_MAX_DEBUG_MESSAGE_LENGTH_ARB 0x9143
#define GL_MAX_DEBUG_LOGGED_MESSAGES_ARB 0x9144
#define GL_DEBUG_LOGGED_MESSAGES_ARB 0x9145
#define GL_DEBUG_SEVERITY_HIGH_ARB 0x9146
#define GL_DEBUG_SEVERITY_MEDIUM_ARB 0x9147
#define GL_DEBUG_SEVERITY_LOW_ARB 0x9148
typedef void (APIENTRYP PFNGLDEBUGMESSAGECONTROLARBPROC) (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled);
typedef void (APIENTRYP PFNGLDEBUGMESSAGEINSERTARBPROC) (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf);
typedef void (APIENTRYP PFNGLDEBUGMESSAGECALLBACKARBPROC) (GLDEBUGPROCARB callback, const void *userParam);
typedef GLuint (APIENTRYP PFNGLGETDEBUGMESSAGELOGARBPROC) (GLuint count, GLsizei bufSize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog);
#ifdef GL_GLEXT_PROTOTYPES
GLAPI void APIENTRY glDebugMessageControlARB (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled);
GLAPI void APIENTRY glDebugMessageInsertARB (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf);
GLAPI void APIENTRY glDebugMessageCallbackARB (GLDEBUGPROCARB callback, const void *userParam);
GLAPI GLuint APIENTRY glGetDebugMessageLogARB (GLuint count, GLsizei bufSize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog);
#endif
#endif /* GL_ARB_debug_output */
#ifdef _WINDOWS_
#error windows.h was included! euuugh!
#endif

4
BBGE/Window_SDL2.cpp
View file

@ -93,6 +93,10 @@ void Window::_open(unsigned w, unsigned h, bool full, unsigned bpp, bool vsync,
}
}
#ifdef _DEBUG
//SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
#endif
int pos = SDL_WINDOWPOS_CENTERED_DISPLAY(display);
WIN = SDL_CreateWindow("", pos, pos, usew, useh, flags);
if(!WIN)