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GdkGLContext: Add a GL debug message callback

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If G_ENABLE_CONSISTENCY_CHECKS is defined (i.e. if our buildtype is
'debug'), add a opengl debug callback that prints all debug messages
with a severity higher than SEVERITY_NOTIFICATION as a warning to the
console.
This commit is contained in:
Timm Bäder 2018-03-25 15:28:40 +02:00
parent 433517fdc9
commit 98a9f2b3c1
1 changed files with 106 additions and 0 deletions
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106
gdk/gdkglcontext.c
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@ -106,6 +106,7 @@ typedef struct {
guint has_gl_framebuffer_blit : 1;
guint has_frame_terminator : 1;
guint has_unpack_subimage : 1;
guint has_debug_output : 1;
guint extensions_checked : 1;
guint debug_enabled : 1;
guint forward_compatible : 1;
@ -722,6 +723,99 @@ gdk_gl_context_get_use_es (GdkGLContext *context)
return priv->use_es > 0;
}
#ifdef G_ENABLE_CONSISTENCY_CHECKS
static void
gl_debug_message_callback (GLenum source,
GLenum type,
GLuint id,
GLenum severity,
GLsizei length,
const GLchar *message,
const void *user_data)
{
const char *message_source;
const char *message_type;
const char *message_severity;
if (severity == GL_DEBUG_SEVERITY_NOTIFICATION)
return;
switch (source)
{
case GL_DEBUG_SOURCE_API:
message_source = "API";
break;
case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
message_source = "Window System";
break;
case GL_DEBUG_SOURCE_SHADER_COMPILER:
message_source = "Shader Compiler";
break;
case GL_DEBUG_SOURCE_THIRD_PARTY:
message_source = "Third Party";
break;
case GL_DEBUG_SOURCE_APPLICATION:
message_source = "Application";
break;
case GL_DEBUG_SOURCE_OTHER:
default:
message_source = "Other";
}
switch (type)
{
case GL_DEBUG_TYPE_ERROR:
message_type = "Error";
break;
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
message_type = "Deprecated Behavior";
break;
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
message_type = "Undefined Behavior";
break;
case GL_DEBUG_TYPE_PORTABILITY:
message_type = "Portability";
break;
case GL_DEBUG_TYPE_PERFORMANCE:
message_type = "Performance";
break;
case GL_DEBUG_TYPE_MARKER:
message_type = "Marker";
break;
case GL_DEBUG_TYPE_PUSH_GROUP:
message_type = "Push Group";
break;
case GL_DEBUG_TYPE_POP_GROUP:
message_type = "Pop Group";
break;
case GL_DEBUG_TYPE_OTHER:
default:
message_type = "Other";
}
switch (severity)
{
case GL_DEBUG_SEVERITY_HIGH:
message_severity = "High";
break;
case GL_DEBUG_SEVERITY_MEDIUM:
message_severity = "Medium";
break;
case GL_DEBUG_SEVERITY_LOW:
message_severity = "Low";
break;
case GL_DEBUG_SEVERITY_NOTIFICATION:
message_severity = "Notification";
break;
default:
message_severity = "Unknown";
}
g_warning ("OPENGL:\n Source: %s\n Type: %s\n Severity: %s\n Message: %s",
message_source, message_type, message_severity, message);
}
#endif
/**
* gdk_gl_context_realize:
* @context: a #GdkGLContext
@ -767,6 +861,18 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
if (priv->use_es < 0)
priv->use_es = !epoxy_is_desktop_gl ();
priv->has_debug_output = epoxy_has_gl_extension ("GL_ARB_debug_output");
#ifdef G_ENABLE_CONSISTENCY_CHECKS
if (priv->has_debug_output)
{
gdk_gl_context_make_current (context);
glEnable (GL_DEBUG_OUTPUT);
glEnable (GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageCallback (gl_debug_message_callback, NULL);
}
#endif
if (priv->use_es)
{
has_npot = priv->gl_version >= 20;