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vkd3d-shader/hlsl: Add some swizzle manipulation definitions.

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This commit is contained in:
Zebediah Figura
2023-01-12 15:52:49 -06:00
committed by Alexandre Julliard
parent 337b4c5db0
commit 8fd30aa87d
Notes: Alexandre Julliard 2023-01-24 22:27:58 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/51
4 changed files with 15 additions and 11 deletions
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8
libs/vkd3d-shader/hlsl_constant_ops.c
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@ -603,7 +603,7 @@ bool hlsl_fold_constant_swizzles(struct hlsl_ctx *ctx, struct hlsl_ir_node *inst
{
struct hlsl_ir_constant *value, *res;
struct hlsl_ir_swizzle *swizzle;
unsigned int i, swizzle_bits;
unsigned int i;
if (instr->type != HLSL_IR_SWIZZLE)
return false;
@ -615,12 +615,8 @@ bool hlsl_fold_constant_swizzles(struct hlsl_ctx *ctx, struct hlsl_ir_node *inst
if (!(res = hlsl_new_constant(ctx, instr->data_type, &instr->loc)))
return false;
swizzle_bits = swizzle->swizzle;
for (i = 0; i < swizzle->node.data_type->dimx; ++i)
{
res->value[i] = value->value[swizzle_bits & 3];
swizzle_bits >>= 2;
}
res->value[i] = value->value[hlsl_swizzle_get_component(swizzle->swizzle, i)];
list_add_before(&swizzle->node.entry, &res->node.entry);
hlsl_replace_node(&swizzle->node, &res->node);