From f0a7d1d88be0c31bd471f4428c4493a93f2d9321 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 13 Jul 2012 10:11:58 +0200 Subject: xserver mesa git update 13 Jul 2012 --- mesalib/src/glsl/ir_builder.cpp | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'mesalib/src/glsl/ir_builder.cpp') diff --git a/mesalib/src/glsl/ir_builder.cpp b/mesalib/src/glsl/ir_builder.cpp index 9a16c90e5..d96e25c18 100644 --- a/mesalib/src/glsl/ir_builder.cpp +++ b/mesalib/src/glsl/ir_builder.cpp @@ -76,6 +76,21 @@ swizzle(operand a, int swizzle, int components) components); } +ir_swizzle * +swizzle_for_size(operand a, int components) +{ + void *mem_ctx = ralloc_parent(a.val); + + if (a.val->type->vector_elements < components) + components = a.val->type->vector_elements; + + unsigned s[4] = { 0, 1, 2, 3 }; + for (int i = components; i < 4; i++) + s[i] = components - 1; + + return new(mem_ctx) ir_swizzle(a.val, s, components); +} + ir_swizzle * swizzle_xxxx(operand a) { @@ -142,6 +157,14 @@ swizzle_xyzw(operand a) return swizzle(a, SWIZZLE_XYZW, 4); } +ir_expression * +expr(ir_expression_operation op, operand a) +{ + void *mem_ctx = ralloc_parent(a.val); + + return new(mem_ctx) ir_expression(op, a.val); +} + ir_expression * expr(ir_expression_operation op, operand a, operand b) { -- cgit v1.2.3