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ir_constant_expression: Add support for the "transpose" builtin.

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This commit is contained in:
Kenneth Graunke
2010-07-22 15:34:49 -07:00
parent 546f3a2754
commit b09ae5dd3f
1 changed files with 8 additions and 1 deletions
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9
src/glsl/ir_constant_expression.cpp
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@@ -1096,7 +1096,14 @@ ir_call::constant_expression_value()
for (unsigned c = 0; c < op[0]->type->components(); c++) for (unsigned c = 0; c < op[0]->type->components(); c++)
data.f[c] = tanhf(op[0]->value.f[c]); data.f[c] = tanhf(op[0]->value.f[c]);
} else if (strcmp(callee, "transpose") == 0) { } else if (strcmp(callee, "transpose") == 0) {
return NULL; /* FINISHME: implement this */ assert(op[0]->type->is_matrix());
const unsigned n = op[0]->type->vector_elements;
const unsigned m = op[0]->type->matrix_columns;
for (unsigned j = 0; j < m; j++) {
for (unsigned i = 0; i < n; i++) {
data.f[m*i+j] += op[0]->value.f[i+n*j];
}
}
} else { } else {
/* Unsupported builtin - some are not allowed in constant expressions. */ /* Unsupported builtin - some are not allowed in constant expressions. */
return NULL; return NULL;