static void autodetectGlExtensions(void) {
const char *extensions = mpglGetString(GL_EXTENSIONS);
const char *vendor = mpglGetString(GL_VENDOR);
const char *version = mpglGetString(GL_VERSION);
const char *renderer = mpglGetString(GL_RENDERER);
int is_ati = vendor && strstr(vendor, "ATI") != NULL;
int ati_broken_pbo = 0;
mp_msg(MSGT_VO, MSGL_V, "[gl] Running on OpenGL '%s' by '%s', version '%s'\n", renderer, vendor, version);
if (is_ati && strncmp(version, "2.1.", 4) == 0) {
int ver = atoi(version + 4);
mp_msg(MSGT_VO, MSGL_V, "[gl] Detected ATI driver version: %i\n", ver);
ati_broken_pbo = ver && ver < 8395;
}
if (ati_hack == -1) ati_hack = ati_broken_pbo;
if (force_pbo == -1) {
force_pbo = 0;
// memcpy is just too slow at least on PPC.
if (ARCH_X86 && extensions && strstr(extensions, "_pixel_buffer_object"))
force_pbo = is_ati;
}
if (use_rectangle == -1) {
use_rectangle = 0;
if (extensions) {
// if (strstr(extensions, "_texture_non_power_of_two"))
if (strstr(extensions, "_texture_rectangle"))
use_rectangle = renderer && strstr(renderer, "Mesa DRI R200") ? 1 : 0;
}
}
if (use_osd == -1)
use_osd = mpglBindTexture != NULL;
if (use_yuv == -1)
use_yuv = glAutodetectYUVConversion();
if (is_ati && (lscale == 1 || lscale == 2 || cscale == 1 || cscale == 2))
mp_msg(MSGT_VO, MSGL_WARN, "[gl] Selected scaling mode may be broken on ATI cards.\n"
"Tell _them_ to fix GL_REPEAT if you have issues.\n");
mp_msg(MSGT_VO, MSGL_V, "[gl] Settings after autodetection: ati-hack = %i, force-pbo = %i, rectangle = %i, yuv = %i\n",
ati_hack, force_pbo, use_rectangle, use_yuv);
}
static int isSoftwareGl(void)
{
const char *renderer = mpglGetString(GL_RENDERER);
return !renderer || strcmp(renderer, "Software Rasterizer") == 0;
}
