diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2010-07-21 17:42:23 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2010-07-28 15:46:27 -0700 |
| commit | 13f8758e9c3babdee3fc0b8b8e1d4a7e13ef9694 (patch) | |
| tree | b290ff7b65272f5b6082eaf466ea158ce1a9ea0a /src/glsl/ir_constant_expression.cpp | |
| parent | f6ea9dfe473ccb0b5121461653696fe07ee4f328 (diff) | |
ir_constant_expression: Add support for "atan" builtins.
Diffstat (limited to 'src/glsl/ir_constant_expression.cpp')
| -rw-r--r-- | src/glsl/ir_constant_expression.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index 301bfa8025..a6ce339e3e 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -826,7 +826,15 @@ ir_call::constant_expression_value() for (unsigned c = 0; c < op[0]->type->components(); c++) data.f[c] = asinf(op[0]->value.f[c]); } else if (strcmp(callee, "atan") == 0) { - return NULL; /* FINISHME: implement this */ + assert(op[0]->type->is_float()); + if (num_parameters == 2) { + assert(op[1]->type->is_float()); + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = atan2f(op[0]->value.f[c], op[1]->value.f[c]); + } else { + for (unsigned c = 0; c < op[0]->type->components(); c++) + data.f[c] = atanf(op[0]->value.f[c]); + } } else if (strcmp(callee, "dFdx") == 0 || strcmp(callee, "dFdy") == 0) { return ir_constant::zero(mem_ctx, this->type); } else if (strcmp(callee, "ceil") == 0) { |