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authorKenneth Graunke <[email protected]>2010-07-21 18:07:43 -0700
committerKenneth Graunke <[email protected]>2010-07-28 15:46:28 -0700
commit7f042b98126b1710c819091512621c642f8fcbbc (patch)
tree3567e8c08da1e04af2d7a90fb19ea50e2a348056 /src/glsl
parent319f4949e0a5f1daa3a760fc84096c041e3ce815 (diff)
ir_constant_expression: Add support for the "greaterThan" builtin.
Diffstat (limited to 'src/glsl')
-rw-r--r--src/glsl/ir_constant_expression.cpp17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 9c543d48ed1..d40322252e3 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -893,7 +893,22 @@ ir_call::constant_expression_value()
} else if (strcmp(callee, "fwidth") == 0) {
return ir_constant::zero(mem_ctx, this->type);
} else if (strcmp(callee, "greaterThan") == 0) {
- return NULL; /* FINISHME: implement this */
+ assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector());
+ for (unsigned c = 0; c < op[0]->type->components(); c++) {
+ switch (op[0]->type->base_type) {
+ case GLSL_TYPE_UINT:
+ data.b[c] = op[0]->value.u[c] > op[1]->value.u[c];
+ break;
+ case GLSL_TYPE_INT:
+ data.b[c] = op[0]->value.i[c] > op[1]->value.i[c];
+ break;
+ case GLSL_TYPE_FLOAT:
+ data.b[c] = op[0]->value.f[c] > op[1]->value.f[c];
+ break;
+ default:
+ assert(!"Should not get here.");
+ }
+ }
} else if (strcmp(callee, "greaterThanEqual") == 0) {
return NULL; /* FINISHME: implement this */
} else if (strcmp(callee, "inversesqrt") == 0) {