OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

glsl/opt_algebraic: Drop fdot 0-channel optimizations.

Browse Source 
No change on i915g shader-db.

Acked-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21475>
This commit is contained in:
Emma Anholt
2023-02-22 12:10:32 -08:00
committed by Marge Bot
parent ef02581590
commit 62afead36f
1 changed files with 0 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/compiler/glsl/opt_algebraic.cpp
View File

@@ -449,41 +449,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
}
break;
case ir_binop_dot:
if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1]))
return ir_constant::zero(mem_ctx, ir->type);
for (int i = 0; i < 2; i++) {
if (!op_const[i])
continue;
unsigned components[4] = { 0 }, count = 0;
for (unsigned c = 0; c < op_const[i]->type->vector_elements; c++) {
if (op_const[i]->is_zero())
continue;
components[count] = c;
count++;
}
/* No channels had zero values; bail. */
if (count >= op_const[i]->type->vector_elements)
break;
ir_expression_operation op = count == 1 ?
ir_binop_mul : ir_binop_dot;
/* Swizzle both operands to remove the channels that were zero. */
return new(mem_ctx)
ir_expression(op, ir->type,
new(mem_ctx) ir_swizzle(ir->operands[0],
components, count),
new(mem_ctx) ir_swizzle(ir->operands[1],
components, count));
}
break;
case ir_binop_equal:
case ir_binop_nequal:
for (int add_pos = 0; add_pos < 2; add_pos++) {