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glsl: Remove now useless dot optimization on basis vect

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The optimization in commit d056863b covers these cases, which were the
first optimizations I added to the GLSL compiler.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Matt Turner
2014-10-30 15:39:36 -07:00
parent 336e76c143
commit 5fbcb1b41d
3 changed files with 3 additions and 92 deletions
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23
src/glsl/opt_algebraic.cpp
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@@ -104,12 +104,6 @@ is_vec_negative_one(ir_constant *ir)
return (ir == NULL) ? false : ir->is_negative_one();
}
static inline bool
is_vec_basis(ir_constant *ir)
{
return (ir == NULL) ? false : ir->is_basis();
}
static inline bool
is_valid_vec_const(ir_constant *ir)
{
@@ -537,23 +531,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1]))
return ir_constant::zero(mem_ctx, ir->type);
if (is_vec_basis(op_const[0])) {
unsigned component = 0;
for (unsigned c = 0; c < op_const[0]->type->vector_elements; c++) {
if (op_const[0]->value.f[c] == 1.0)
component = c;
}
return new(mem_ctx) ir_swizzle(ir->operands[1], component, 0, 0, 0, 1);
}
if (is_vec_basis(op_const[1])) {
unsigned component = 0;
for (unsigned c = 0; c < op_const[1]->type->vector_elements; c++) {
if (op_const[1]->value.f[c] == 1.0)
component = c;
}
return new(mem_ctx) ir_swizzle(ir->operands[0], component, 0, 0, 0, 1);
}
for (int i = 0; i < 2; i++) {
if (!op_const[i])
continue;