diff options
| author | marha <marha@users.sourceforge.net> | 2012-01-06 19:27:25 +0100 |
|---|---|---|
| committer | Marc Haesen <marc@hc-consult.be> | 2012-01-06 19:27:25 +0100 |
| commit | 7e9f4ea970e8f7008c212d7d3918a974eb0066da (patch) | |
| tree | 92cf7fcdf6e8093e743346af2397f3caa17cffe3 /mesalib/src/mesa/main/ff_fragment_shader.cpp | |
| parent | 9715b7fab0757c86e1bb151f3dce0b324bcff692 (diff) | |
| download | vcxsrv-7e9f4ea970e8f7008c212d7d3918a974eb0066da.tar.gz vcxsrv-7e9f4ea970e8f7008c212d7d3918a974eb0066da.tar.bz2 vcxsrv-7e9f4ea970e8f7008c212d7d3918a974eb0066da.zip | |
libX11 mesa pixman git update 6 jan 2012
Diffstat (limited to 'mesalib/src/mesa/main/ff_fragment_shader.cpp')
| -rw-r--r-- | mesalib/src/mesa/main/ff_fragment_shader.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp index 008da0d0e..3e736fa15 100644 --- a/mesalib/src/mesa/main/ff_fragment_shader.cpp +++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp @@ -632,15 +632,19 @@ emit_combine_source(struct texenv_fragment_program *p, new(p->mem_ctx) ir_constant(1.0f), src); - case OPR_SRC_ALPHA: - return new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1); + case OPR_SRC_ALPHA: + return src->type->is_scalar() + ? src : (ir_rvalue *) new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1); + + case OPR_ONE_MINUS_SRC_ALPHA: { + ir_rvalue *const scalar = (src->type->is_scalar()) + ? src : (ir_rvalue *) new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1); - case OPR_ONE_MINUS_SRC_ALPHA: return new(p->mem_ctx) ir_expression(ir_binop_sub, new(p->mem_ctx) ir_constant(1.0f), - new(p->mem_ctx) ir_swizzle(src, - 3, 3, - 3, 3, 1)); + scalar); + } + case OPR_ZERO: return new(p->mem_ctx) ir_constant(0.0f); case OPR_ONE: |