diff options
| author | Kenneth Graunke <[email protected]> | 2010-07-08 23:18:09 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2010-07-14 15:50:27 -0700 |
| commit | cb63929df4ce17e94e8ead0316a00d48b51944c9 (patch) | |
| tree | 7578c5a4b534f03c45d8685c3cb7b9bf6c4f5455 /src/glsl/ir_constant_expression.cpp | |
| parent | aca01edc8336fd14005a7ac853e7158f31a74940 (diff) | |
ir_constant_expression: Add support for ir_unop_log2.
This uses a C99 function.
Diffstat (limited to 'src/glsl/ir_constant_expression.cpp')
| -rw-r--r-- | src/glsl/ir_constant_expression.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index 871bce43b7a..292461e5eb7 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -337,6 +337,13 @@ ir_constant_visitor::visit(ir_expression *ir) } break; + case ir_unop_log2: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) { + data.f[c] = log2f(op[0]->value.f[c]); + } + break; + case ir_unop_dFdx: case ir_unop_dFdy: assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); |