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applied Bernd's changes to useBGR code

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This commit is contained in:
Brian Paul 2000-04-14 21:40:56 +00:00
parent ddf9b3aa48
commit 2511ba7c92
1 changed files with 58 additions and 21 deletions
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79
src/mesa/drivers/glide/fxapi.c
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@ -856,6 +856,7 @@ fxMesaContext GLAPIENTRY fxMesaCreateContext(GLuint win,
/*FX_GrContext_t glideContext = 0;*/
char *errorstr;
GLboolean useBGR;
char *system = NULL;
if (MESA_VERBOSE&VERBOSE_DRIVER) {
fprintf(stderr,"fxmesa: fxMesaCreateContext() Start\n");
@ -965,40 +966,76 @@ fxMesaContext GLAPIENTRY fxMesaCreateContext(GLuint win,
* Either initialize them for RGB or BGR order.
*/
#if FXMESA_USE_ARGB
useBGR = GL_FALSE; /* Force RGB pixel order */
useBGR = GL_FALSE; /* Force RGB pixel order */
system = "FXMESA_USE_ARGB";
#else
if (glbHWConfig.SSTs[glbCurrentBoard].type == GR_SSTTYPE_VOODOO) {
/* jk991130 - GROSS HACK!!! - Voodoo 3s don't use BGR!!
* the only way to tell if it's a Voodoo 3 at this stage of the
* ballgame (no Glide 3.x for linux *yet*) is to query the # of TMUs
/* jk991130 - Voodoo 3s don't use BGR. Query the # of TMUs
* as Voodoo3s have 2 TMUs on board, Banshee has only 1
* Thanks to Joseph Kain for that one
* bk000413 - another suggestion from Joseph Kain is using
* VendorID 0x121a for all 3dfx boards
* DeviceID VG 1/V2 2/VB 3/V3 5
* For now we cehck for known BGR devices, and presume
* everything else to be a V3/RGB.
*/
GrVoodooConfig_t *voodoo;
voodoo = &glbHWConfig.SSTs[glbCurrentBoard].sstBoard.VoodooConfig;
/*
printf("Voodoo num_sst %d\n", glbHWConfig.num_sst);
printf("Voodoo nTexelfx %d\n", voodoo->nTexelfx);
printf("Voodoo fbRam %d\n", voodoo->fbRam);
printf("Voodoo fbiRev %d\n", voodoo->fbiRev);
*/
if (voodoo->nTexelfx == 2 && voodoo->fbiRev != 260) {
/* RGB pixel order (Voodoo3, but some Quantum3D models) */
useBGR = GL_FALSE;
}
else {
/* BGR pixel order on Voodoo1/2, or certain Quantum3D models */
if (voodoo->nTexelfx == 1) {
/* Voodoo1 or Banshee */
useBGR = GL_TRUE;
system = "Voodoo1";
}
else if (voodoo->nTexelfx == 2 &&
voodoo->fbiRev == 260 &&
voodoo->tmuConfig[0].tmuRev == 4 &&
voodoo->tmuConfig[0].tmuRam == 2) {
/* Voodoo 2 */
useBGR = GL_TRUE;
system = "Voodoo2";
}
else if (voodoo->nTexelfx == 2 &&
voodoo->fbiRev == 2 &&
voodoo->tmuConfig[0].tmuRev == 1 &&
voodoo->tmuConfig[0].tmuRam == 4) {
/* Quantum3D Obsidian 50/100 */
useBGR = GL_TRUE;
system = "Quantum3D Obsidian";
}
else
/* Brian
* (voodoo->nTexelfx == 2 &&
* voodoo->fbiRev == 0 &&
* voodoo->tmuConfig[0].tmuRev == 148441048 &&
* voodoo->tmuConfig[0].tmuRam == 3)
* Bernd
* (voodoo->nTexelfx == 2 &&
* voodoo->fbiRev == 69634 &&
* voodoo->tmuConfig[0].tmuRev == 69634 &&
* voodoo->tmuConfig[0].tmuRam == 2 )
*/
{
/* Presumed Voodoo3 */
useBGR = GL_FALSE;
system = "Voodoo3";
}
if (getenv("MESA_FX_INFO")) {
printf("Voodoo: Texelfx: %d / FBI Rev.: %d / TMU Rev.: %d / TMU RAM: %d\n",
voodoo->nTexelfx,
voodoo->fbiRev,
voodoo->tmuConfig[0].tmuRev,
voodoo->tmuConfig[0].tmuRam );
}
}
else {
useBGR = GL_FALSE; /* use RGB pixel order otherwise */
system = "non-voodoo";
}
#endif
if (getenv("MESA_FX_INFO"))
printf("Voodoo pixel order: %s\n", useBGR ? "BGR" : "RGB");
#endif /*FXMESA_USE_ARGB*/
if (getenv("MESA_FX_INFO"))
printf("Voodoo pixel order: %s (%s)\n", useBGR ? "BGR" : "RGB", system);
fxInitPixelTables(fxMesa, useBGR);
fxMesa->width=FX_grSstScreenWidth();