diff options
| -rw-r--r-- | src/glsl/ir_constant_expression.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index 7e276e1c257..c0fe47067bd 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -575,6 +575,33 @@ ir_constant_visitor::visit(ir_expression *ir) } break; + case ir_binop_mod: + assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); + for (unsigned c = 0, c0 = 0, c1 = 0; + c < components; + c0 += c0_inc, c1 += c1_inc, c++) { + + switch (ir->operands[0]->type->base_type) { + case GLSL_TYPE_UINT: + data.u[c] = op[0]->value.u[c0] % op[1]->value.u[c1]; + break; + case GLSL_TYPE_INT: + data.i[c] = op[0]->value.i[c0] % op[1]->value.i[c1]; + break; + case GLSL_TYPE_FLOAT: + /* We don't use fmod because it rounds toward zero; GLSL specifies + * the use of floor. + */ + data.f[c] = (op[0]->value.f[c0] - op[1]->value.f[c1]) + * floorf(op[0]->value.f[c0] / op[1]->value.f[c1]); + break; + default: + assert(0); + } + } + + break; + case ir_binop_logic_and: assert(op[0]->type->base_type == GLSL_TYPE_BOOL); for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) |