diff options
| author | Eric Anholt <anholt@FreeBSD.org> | 2004-09-25 19:01:18 +0000 |
|---|---|---|
| committer | Eric Anholt <anholt@FreeBSD.org> | 2004-09-25 19:01:18 +0000 |
| commit | 7b363b0dd492e7222e8503e24f35c651de0a0bfc (patch) | |
| tree | 1a24e93bd143194b6d8c0b012292faa430f2aeee /src/mesa/drivers/dri/sis/sis_tris.c | |
| parent | d166f2bffdb9cd8ab22825a2901baa513c4bc1eb (diff) | |
Fix SiS AGP vertex dispatch by not trying to emit 0 vertices, which would hang
the hardware. Re-enable AGP by default.
Diffstat (limited to 'src/mesa/drivers/dri/sis/sis_tris.c')
| -rw-r--r-- | src/mesa/drivers/dri/sis/sis_tris.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_tris.c b/src/mesa/drivers/dri/sis/sis_tris.c index da23df5fe7..048ff848f4 100644 --- a/src/mesa/drivers/dri/sis/sis_tris.c +++ b/src/mesa/drivers/dri/sis/sis_tris.c @@ -889,7 +889,8 @@ static void sisRenderFinish( GLcontext *ctx ) void sisFlushPrimsLocked(sisContextPtr smesa) { - GLuint *start; + if (smesa->vb_cur == smesa->vb_last) + return; sisUpdateHWState(smesa->glCtx); @@ -898,7 +899,7 @@ sisFlushPrimsLocked(sisContextPtr smesa) mEndPrimitive(); MMIO(REG_3D_AGPCmBase, (smesa->vb_last - smesa->vb) + smesa->vb_agp_offset); - MMIO(REG_3D_AGPTtDwNum, (smesa->vb_cur - smesa->vb_last) / 4 | + MMIO(REG_3D_AGPTtDwNum, ((smesa->vb_cur - smesa->vb_last) / 4) | 0x50000000); MMIO(REG_3D_ParsingSet, smesa->AGPParseSet); MMIO(REG_3D_AGPCmFire, (GLint)(-1)); |