Hi,
Thought I'd share some of my patches.
Change vp max instructions:
The current state op the vp code is capable of executing 255
instructions not 255*4.
Disable unused routes (speedup):
When trying to get fragment.position to work I found the routes were
only set for the used routes and disabling it gives a few fps in some
games. I have found no regressions...
Does anyone have any luck enabling fragment.position for the fragment
program.
Rune Petersen
Index: r300_context.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/r300/r300_context.c,v
retrieving revision 1.55
diff -u -r1.55 r300_context.c
--- r300_context.c 29 Jun 2006 18:36:51 -0000 1.55
+++ r300_context.c 29 Jun 2006 20:04:20 -0000
@@ -308,7 +308,8 @@
_tnl_allow_vertex_fog(ctx, GL_TRUE);
/* currently bogus data */
- ctx->Const.VertexProgram.MaxNativeInstructions=VSF_MAX_FRAGMENT_LENGTH;
+ ctx->Const.VertexProgram.MaxInstructions=VSF_MAX_FRAGMENT_LENGTH/4;
+
ctx->Const.VertexProgram.MaxNativeInstructions=VSF_MAX_FRAGMENT_LENGTH/4;
ctx->Const.VertexProgram.MaxNativeAttribs=16; /* r420 */
ctx->Const.VertexProgram.MaxTemps=32;
ctx->Const.VertexProgram.MaxNativeTemps=/*VSF_MAX_FRAGMENT_TEMPS*/32;
Index: r300_state.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/r300/r300_state.c,v
retrieving revision 1.158
diff -u -r1.158 r300_state.c
--- r300_state.c 6 Jun 2006 22:24:12 -0000 1.158
+++ r300_state.c 29 Jun 2006 20:05:39 -0000
@@ -1316,8 +1316,6 @@
R300_STATECHANGE(r300, rr);
fp_reg = in_texcoords = col_interp_nr = high_rr = 0;
- r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0;
- r300->hw.rr.cmd[R300_RR_ROUTE_1] = 0;
for (i=0;i<ctx->Const.MaxTextureUnits;i++) {
r300->hw.ri.cmd[R300_RI_INTERP_0+i] = 0
@@ -1325,10 +1323,11 @@
| (in_texcoords << R300_RS_INTERP_SRC_SHIFT)
| interp_magic[i];
+ r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] = 0;
if (InputsRead & (FRAG_BIT_TEX0<<i)) {
//assert(r300->state.texture.tc_count != 0);
- r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] = 0
- | R300_RS_ROUTE_ENABLE
+ r300->hw.rr.cmd[R300_RR_ROUTE_0 + fp_reg] |=
+ R300_RS_ROUTE_ENABLE
| i /* source INTERP */
| (fp_reg << R300_RS_ROUTE_DEST_SHIFT);
high_rr = fp_reg;
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