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authorAbdiel Janulgue <[email protected]>2014-06-12 13:53:40 -0700
committerAbdiel Janulgue <[email protected]>2014-08-31 21:04:08 +0300
commit4c0ccfc5b39bf69ef90145e5ccf4cea04d9a8a73 (patch)
tree8f4b750b0a4db6398d7dfa225b84c4cdd763f341 /src/glsl
parenta5f02b6696c3ce9ed87e017a537a37d09e288702 (diff)
glsl: Add constant evaluation of ir_unop_saturate
v2: Use CLAMP macro (Ian Romanick) Signed-off-by: Abdiel Janulgue <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/glsl')
-rw-r--r--src/glsl/ir_constant_expression.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 96060217c97..1e8b3a3cced 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -1469,6 +1469,12 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
}
break;
+ case ir_unop_saturate:
+ for (unsigned c = 0; c < components; c++) {
+ data.f[c] = CLAMP(op[0]->value.f[c], 0.0f, 1.0f);
+ }
+ break;
+
case ir_triop_bitfield_extract: {
int offset = op[1]->value.i[0];
int bits = op[2]->value.i[0];