From 7e9f4ea970e8f7008c212d7d3918a974eb0066da Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 6 Jan 2012 19:27:25 +0100 Subject: libX11 mesa pixman git update 6 jan 2012 --- mesalib/src/mesa/main/ff_fragment_shader.cpp | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'mesalib/src/mesa/main/ff_fragment_shader.cpp') 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: -- cgit v1.2.3