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check hardware type and use SETUP_SNAP if needed

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This commit is contained in:
Brian Paul
2001-05-10 02:59:04 +00:00
parent 8acb7e9ea2
commit f50bbbf855
3 changed files with 21 additions and 13 deletions
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26
src/mesa/drivers/glide/fxapi.c
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@@ -400,9 +400,13 @@ fxMesaCreateContext(GLuint win,
} }
/* /*
* Pixel tables are use during pixel read-back * Pixel tables are used during pixel read-back
* Either initialize them for RGB or BGR order. * Either initialize them for RGB or BGR order.
* Also determine if we need vertex snapping.
*/ */
fxMesa->snapVertices = GL_TRUE; /* play it safe */
#ifdef FXMESA_USE_ARGB #ifdef FXMESA_USE_ARGB
useBGR = GL_FALSE; /* Force RGB pixel order */ useBGR = GL_FALSE; /* Force RGB pixel order */
system = "FXMESA_USE_ARGB"; system = "FXMESA_USE_ARGB";
@@ -432,6 +436,7 @@ fxMesaCreateContext(GLuint win,
/* Voodoo 2 */ /* Voodoo 2 */
useBGR = GL_TRUE; useBGR = GL_TRUE;
system = "Voodoo2"; system = "Voodoo2";
fxMesa->snapVertices = GL_FALSE;
} }
else if (voodoo->nTexelfx == 2 && else if (voodoo->nTexelfx == 2 &&
voodoo->fbiRev == 2 && voodoo->fbiRev == 2 &&
@@ -457,22 +462,27 @@ fxMesaCreateContext(GLuint win,
/* Presumed Voodoo3 */ /* Presumed Voodoo3 */
useBGR = GL_FALSE; useBGR = GL_FALSE;
system = "Voodoo3"; system = "Voodoo3";
fxMesa->snapVertices = GL_FALSE;
} }
if (getenv("MESA_FX_INFO")) { if (verbose) {
printf fprintf(stderr,
("Voodoo: Texelfx: %d / FBI Rev.: %d / TMU Rev.: %d / TMU RAM: %d\n", "Voodoo: Texelfx: %d / FBI Rev.: %d / TMU Rev.: %d / TMU RAM: %d\n",
voodoo->nTexelfx, voodoo->fbiRev, voodoo->tmuConfig[0].tmuRev, voodoo->nTexelfx, voodoo->fbiRev, voodoo->tmuConfig[0].tmuRev,
voodoo->tmuConfig[0].tmuRam); voodoo->tmuConfig[0].tmuRam);
} }
} }
else { else {
useBGR = GL_FALSE; /* use RGB pixel order otherwise */ useBGR = GL_FALSE; /* use RGB pixel order otherwise */
system = "non-voodoo"; system = "non-voodoo";
fxMesa->snapVertices = GL_FALSE;
} }
#endif /*FXMESA_USE_ARGB */ #endif /*FXMESA_USE_ARGB */
if (getenv("MESA_FX_INFO")) if (verbose) {
printf("Voodoo pixel order: %s (%s)\n", useBGR ? "BGR" : "RGB", system); fprintf(stderr, "Voodoo pixel order: %s (%s)\n",
useBGR ? "BGR" : "RGB", system);
fprintf(stderr, "Vertex snapping: %d\n", fxMesa->snapVertices);
}
fxInitPixelTables(fxMesa, useBGR); fxInitPixelTables(fxMesa, useBGR);

2
src/mesa/drivers/glide/fxdrv.h
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@@ -439,7 +439,7 @@ struct tfxMesaContext
GLuint setup_gone; /* for multipass */ GLuint setup_gone; /* for multipass */
GLuint stw_hint_state; /* for grHints */ GLuint stw_hint_state; /* for grHints */
fxVertex *verts; fxVertex *verts;
GLboolean snapVertices; /* needed for older Voodoo hardware */
/* Rasterization: /* Rasterization:
*/ */

6
src/mesa/drivers/glide/fxvb.c
View File

@@ -298,10 +298,8 @@ fx_validate_BuildProjVerts(GLcontext * ctx, GLuint start, GLuint count,
else { else {
GLuint setupindex = SETUP_XYZW; GLuint setupindex = SETUP_XYZW;
#if 0 if (fxMesa->snapVertices)
if (is_voodoo_graphics) setupindex |= SETUP_SNAP;
setupindex |= SETUP_SNAP;
#endif
fxMesa->tmu_source[0] = 0; fxMesa->tmu_source[0] = 0;
fxMesa->tmu_source[1] = 1; fxMesa->tmu_source[1] = 1;