diff options
| author | Keith Whitwell <keithw@vmware.com> | 2009-09-02 17:58:52 +0100 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-09-03 16:07:45 -0600 |
| commit | 862724d3c2761fe148d985e9205ebb1cc36f3011 (patch) | |
| tree | f3f9b719aa0a5a053d8bc561d6acc7130b19f7de /src/gallium/auxiliary/util/u_simple_shaders.c | |
| parent | 375a6b4c4a68fff0567b304fc24de78ea8250124 (diff) | |
util: add version of u_blit_pixels which takes a writemask
Values outside the writemask are set in the destination to {0,0,0,1}
Diffstat (limited to 'src/gallium/auxiliary/util/u_simple_shaders.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_simple_shaders.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/util/u_simple_shaders.c b/src/gallium/auxiliary/util/u_simple_shaders.c index eb311d29f9..1b8da9b685 100644 --- a/src/gallium/auxiliary/util/u_simple_shaders.c +++ b/src/gallium/auxiliary/util/u_simple_shaders.c @@ -88,11 +88,14 @@ util_make_vertex_passthrough_shader(struct pipe_context *pipe, /** * Make simple fragment texture shader: - * TEX OUT[0], IN[0], SAMP[0], 2D; + * IMM {0,0,0,1} // (if writemask != 0xf) + * MOV OUT[0], IMM[0] // (if writemask != 0xf) + * TEX OUT[0].writemask, IN[0], SAMP[0], 2D; * END; */ void * -util_make_fragment_tex_shader(struct pipe_context *pipe) +util_make_fragment_tex_shader_writemask(struct pipe_context *pipe, + unsigned writemask ) { struct ureg_program *ureg; struct ureg_src sampler; @@ -119,6 +122,13 @@ util_make_fragment_tex_shader(struct pipe_context *pipe) return ureg_create_shader_and_destroy( ureg, pipe ); } +void * +util_make_fragment_tex_shader(struct pipe_context *pipe ) +{ + return util_make_fragment_tex_shader_writemask( pipe, + TGSI_WRITEMASK_XYZW ); +} + |