diff options
| -rw-r--r-- | 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 0d706f9449d..1c8b157d91f 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 ); |