X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=vg%2Fvg_gldiag.h;fp=vg%2Fvg_gldiag.h;h=29c246dd26ef47be542b208ef12a54eb15d88758;hb=55a8be84b66e264a6af476689f9499f41cc98e64;hp=0000000000000000000000000000000000000000;hpb=083165f89a241d470a560cba181c071ecf81368d;p=fishladder.git

diff --git a/vg/vg_gldiag.h b/vg/vg_gldiag.h
new file mode 100644
index 0000000..29c246d
--- /dev/null
+++ b/vg/vg_gldiag.h
@@ -0,0 +1,41 @@
+#define VG_GLDIAG_GL_GET_STRING( o, x ) fprintf( o, #x ": %s\n", glGetString( x ) );
+
+static void vg_check_gl_integerv( FILE *log, GLenum name, const char *stringname )
+{
+	GLint data;
+	glGetIntegerv( name, &data );
+	fprintf( log, "%s:%d\n", stringname, data );
+}
+
+#define VG_GLDIAG_GL_INTEGERV( o, x ) vg_check_gl_integerv( o, x, #x );
+
+static int vg_run_gfx_diagnostics(void)
+{
+	FILE *log = fopen( "gldiag.txt", "w" );
+	if( log )
+	{
+		VG_GLDIAG_GL_GET_STRING( log, GL_VERSION )
+		VG_GLDIAG_GL_GET_STRING( log, GL_VENDOR )
+		VG_GLDIAG_GL_GET_STRING( log, GL_RENDERER )
+		VG_GLDIAG_GL_GET_STRING( log, GL_SHADING_LANGUAGE_VERSION )
+		
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_3D_TEXTURE_SIZE )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_ARRAY_TEXTURE_LAYERS )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_CLIP_DISTANCES )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_COLOR_TEXTURE_SAMPLES )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_COMBINED_UNIFORM_BLOCKS )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_DRAW_BUFFERS )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_ELEMENTS_INDICES )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_ELEMENTS_VERTICES )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_FRAGMENT_UNIFORM_BLOCKS )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_RENDERBUFFER_SIZE )
+		VG_GLDIAG_GL_INTEGERV( log, GL_MAX_UNIFORM_BLOCK_SIZE )
+		VG_GLDIAG_GL_INTEGERV( log, GL_NUM_EXTENSIONS )
+		VG_GLDIAG_GL_INTEGERV( log, GL_PACK_ALIGNMENT )
+		
+		fclose( log );
+	}
+	
+	return 0;
+}
\ No newline at end of file