After
commit 37924cf175b5f61ca85dab685ec5d7879519ebc4
Author: Dave Airlie <[EMAIL PROTECTED]>
Date: Sat May 3 22:08:11 2008 +1000
r300: update r300 rs unit for swtcl need to fix r500 most likely
Wow framerates drop to around 1/10. The attached patch brings it back to
normal.
I'm not sure why this has so huge impact on performance, nor what this
patch was about in the first place, so some review seems sensible.
Markus
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index cb39ce0..40b7850 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -1626,8 +1626,6 @@ static void r300SetupRSUnit(GLcontext * ctx)
r300->hw.rr.cmd[R300_RR_INST_0 + fp_reg] = 0;
if (InputsRead & (FRAG_BIT_TEX0 << i)) {
- rs_tex_count += count;
-
//assert(r300->state.texture.tc_count != 0);
r300->hw.rr.cmd[R300_RR_INST_0 + fp_reg] |= R300_RS_INST_TEX_CN_WRITE | i /* source INTERP */
| (fp_reg << R300_RS_INST_TEX_ADDR_SHIFT);
@@ -1641,6 +1639,10 @@ static void r300SetupRSUnit(GLcontext * ctx)
WARN_ONCE("fragprog wants coords for tex%d, vp doesn't provide them!\n", i);
}
}
+ /* Need to count all coords enabled at vof */
+ if (R300_OUTPUTS_WRITTEN_TEST(OutputsWritten, VERT_RESULT_TEX0 + i, _TNL_ATTRIB_TEX(i))) {
+ rs_tex_count += count;
+ }
}
if (InputsRead & FRAG_BIT_COL0) {
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