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r300g: always disable unused colorbuffers

This commit is contained in:
Marek Olšák 2009-12-08 21:53:19 +01:00 committed by Corbin Simpson
parent 87b822e024
commit 6de7ac73bf
1 changed files with 14 additions and 1 deletions
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15
src/gallium/drivers/r300/r300_emit.c
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@ -331,7 +331,13 @@ void r300_emit_fb_state(struct r300_context* r300,
int i;
CS_LOCALS(r300);
BEGIN_CS((10 * fb->nr_cbufs) + (fb->zsbuf ? 10 : 0) + 4);
/* Shouldn't fail unless there is a bug in the state tracker. */
assert(fb->nr_cbufs <= 4);
BEGIN_CS((10 * fb->nr_cbufs) + (2 * (4 - fb->nr_cbufs)) +
(fb->zsbuf ? 10 : 0) + 4);
/* Flush and free renderbuffer caches. */
OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
@ -339,6 +345,7 @@ void r300_emit_fb_state(struct r300_context* r300,
R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
/* Set up colorbuffers. */
for (i = 0; i < fb->nr_cbufs; i++) {
surf = fb->cbufs[i];
tex = (struct r300_texture*)surf->texture;
@ -356,6 +363,12 @@ void r300_emit_fb_state(struct r300_context* r300,
r300_translate_out_fmt(surf->format));
}
/* Disable unused colorbuffers. */
for (; i < 4; i++) {
OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i), R300_US_OUT_FMT_UNUSED);
}
/* Set up a zbuffer. */
if (fb->zsbuf) {
surf = fb->zsbuf;
tex = (struct r300_texture*)surf->texture;