diff options
| author | Eric Anholt <eric@anholt.net> | 2009-05-14 10:56:32 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-06-17 11:05:55 -0700 |
| commit | 6e0df938d4504acc97012dc51002459d1d9f309a (patch) | |
| tree | 4257c2fc495eb48be8b6d497389e97bedcee8a37 /src/mesa/drivers | |
| parent | 988b61be2743de6850c8042516db28d14ee3002f (diff) | |
i965: Fix varying payload reg assignment for the non-GLSL-instructions path.
I don't have a testcase for this, but it seems clearly wrong.
(cherry picked from commit dc657f3929fbe03275b3fae4ef84f02e74b51114)
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_pass2.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_pass2.c b/src/mesa/drivers/dri/i965/brw_wm_pass2.c index 08cac730c2..6faea018fb 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_pass2.c +++ b/src/mesa/drivers/dri/i965/brw_wm_pass2.c @@ -69,7 +69,6 @@ static void prealloc_reg(struct brw_wm_compile *c, */ static void init_registers( struct brw_wm_compile *c ) { - struct brw_context *brw = c->func.brw; GLuint nr_interp_regs = 0; GLuint i = 0; GLuint j; @@ -85,15 +84,18 @@ static void init_registers( struct brw_wm_compile *c ) for (j = 0; j < FRAG_ATTRIB_MAX; j++) { if (c->key.vp_outputs_written & (1<<j)) { - /* index for vs output and ps input are not the same - in shader varying */ - GLuint index; - if (j > FRAG_ATTRIB_VAR0) - index = j - (VERT_RESULT_VAR0 - FRAG_ATTRIB_VAR0); + int fp_index; + + if (j >= VERT_RESULT_VAR0) + fp_index = j - (VERT_RESULT_VAR0 - FRAG_ATTRIB_VAR0); + else if (j <= VERT_RESULT_TEX7) + fp_index = j; else - index = j; + fp_index = -1; + nr_interp_regs++; - prealloc_reg(c, &c->payload.input_interp[index], i++); + if (fp_index >= 0) + prealloc_reg(c, &c->payload.input_interp[fp_index], i++); } } |