Mesa (master): util: add lost code to util_make_fragment_tex_shader_writemask()
Keith Whitwell
keithw at kemper.freedesktop.org
Mon Oct 5 14:52:33 UTC 2009
Module: Mesa
Branch: master
Commit: 6a085184ebf251f145181796e317ffa179a38bae
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6a085184ebf251f145181796e317ffa179a38bae
Author: Keith Whitwell <keithw at vmware.com>
Date: Mon Oct 5 15:46:47 2009 +0100
util: add lost code to util_make_fragment_tex_shader_writemask()
This got ported to ureg at some point, but lost the code that
distinguishes it from regular util_make_fragment_tex_shader().
---
src/gallium/auxiliary/util/u_simple_shaders.c | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_simple_shaders.c b/src/gallium/auxiliary/util/u_simple_shaders.c
index 0d706f9..1c8b157 100644
--- a/src/gallium/auxiliary/util/u_simple_shaders.c
+++ b/src/gallium/auxiliary/util/u_simple_shaders.c
@@ -108,7 +108,15 @@ util_make_fragment_tex_shader_writemask(struct pipe_context *pipe,
TGSI_SEMANTIC_COLOR,
0 );
- ureg_TEX( ureg, out, TGSI_TEXTURE_2D, tex, sampler );
+ if (writemask != TGSI_WRITEMASK_XYZW) {
+ struct ureg_src imm = ureg_imm4f( ureg, 0, 0, 0, 1 );
+
+ ureg_MOV( ureg, out, imm );
+ }
+
+ ureg_TEX( ureg,
+ ureg_writemask(out, writemask),
+ TGSI_TEXTURE_2D, tex, sampler );
ureg_END( ureg );
return ureg_create_shader_and_destroy( ureg, pipe );
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