summaryrefslogtreecommitdiff
path: root/src/glut/os2/glut_mesa.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/glut/os2/glut_mesa.cpp')
-rw-r--r--src/glut/os2/glut_mesa.cpp57
1 files changed, 0 insertions, 57 deletions
diff --git a/src/glut/os2/glut_mesa.cpp b/src/glut/os2/glut_mesa.cpp
deleted file mode 100644
index 7e202fa078..0000000000
--- a/src/glut/os2/glut_mesa.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-
-/* Copyright (c) Mark J. Kilgard, 1996. */
-
-/* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
- implied. This program is -not- in the public domain. */
-
-#include <stdlib.h>
-#include <string.h>
-#include "glutint.h"
-
-int __glutMesaSwapHackSupport = 0; /* Not supported until
- proven otherwise. */
-
-/* Use the "Mesa swap hack" if reasonable if and only if
- MESA_SWAP_HACK is set to something whose first character is
- not "N" or "n" AND "Brian Paul" is the vendor string AND
- "Mesa X11"* (or "Mesa" for backward compatibility) is the
- renderer string.
-
- Anyone who modifies Mesa so that glXSwapBuffers does not
- simply blit the previously rendered back buffer should
- change either their vendor or renderer string to avoid
- confusing GLUT. */
-
-void
-__glutDetermineMesaSwapHackSupport(void)
-{
- static int doneAlready = 0;
- char *env, *vendor, *renderer;
-
- if (doneAlready)
- return;
- env = getenv("MESA_SWAP_HACK");
- if (env) {
- if ((env[0] != 'n') && (env[0] != 'N')) {
- vendor = (char *) glGetString(GL_VENDOR);
- renderer = (char *) glGetString(GL_RENDERER);
-
- /* Old versions of X11 Mesa uses the renderer string
- "Mesa"; Brian plans to start using "Mesa X11" to
- distinguish the X version of Mesa from other flavor
- such as Windows or 3Dfx. */
-
-#define MESA_X11 "Mesa X11"
-
- /* XXX At some point in the future, eliminate the
- backward compatibility for the old "Mesa" renderer
- string. */
-
- if (!strcmp(vendor, "Brian Paul") && (!strcmp(renderer, "Mesa") ||
- !strncmp(renderer, MESA_X11, sizeof(MESA_X11) - 1)))
- __glutMesaSwapHackSupport = 1;
- }
- }
- doneAlready = 1;
-}