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i965: handle extended swizzle terms (0,1) in get_src_reg()
author
Brian Paul
<brianp@vmware.com>
Mon, 11 May 2009 15:39:52 +0000
(09:39 -0600)
committer
Brian Paul
<brianp@vmware.com>
Mon, 11 May 2009 15:47:32 +0000
(09:47 -0600)
Fixes failed assertion in progs/glsl/twoside.c (but still wrong rendering).
src/mesa/drivers/dri/i965/brw_wm_glsl.c
patch
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diff --git
a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index
efe8b51
..
2b2df73
100644
(file)
--- a/
src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/
src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@
-509,6
+509,14
@@
static struct brw_reg get_src_reg(struct brw_wm_compile *c,
const GLuint nr = 1;
const GLuint component = GET_SWZ(src->Swizzle, channel);
+ /* Extended swizzle terms */
+ if (component == SWIZZLE_ZERO) {
+ return brw_imm_f(0.0F);
+ }
+ else if (component == SWIZZLE_ONE) {
+ return brw_imm_f(1.0F);
+ }
+
if (c->fp->use_const_buffer &&
(src->File == PROGRAM_STATE_VAR ||
src->File == PROGRAM_CONSTANT ||