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vkd3d-shader/hlsl: Cast discard_neg conditions to vec4 for d3dbc target profiles.

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This commit is contained in:
Shaun Ren
2025-10-29 21:23:49 -04:00
committed by Henri Verbeet
parent 2ba53e06fa
commit cf688f87f1
Notes: Henri Verbeet 2025-10-30 19:59:51 +01:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1732
1 changed files with 33 additions and 0 deletions
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33
libs/vkd3d-shader/hlsl_codegen.c
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@@ -5462,6 +5462,35 @@ static bool lower_discard_nz(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, v
return true;
}
static bool cast_discard_neg_conditions_to_vec4(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
{
struct hlsl_ir_node *swizzle;
struct hlsl_ir_jump *jump;
struct hlsl_block block;
unsigned int dimx;
if (instr->type != HLSL_IR_JUMP)
return false;
jump = hlsl_ir_jump(instr);
if (jump->type != HLSL_IR_JUMP_DISCARD_NEG)
return false;
dimx = jump->condition.node->data_type->e.numeric.dimx;
if (dimx == 4)
return false;
hlsl_block_init(&block);
swizzle = hlsl_block_add_swizzle(ctx, &block, hlsl_swizzle_from_writemask((1 << dimx) - 1), 4,
jump->condition.node, &instr->loc);
list_move_before(&instr->entry, &block.instrs);
hlsl_src_remove(&jump->condition);
hlsl_src_from_node(&jump->condition, swizzle);
return true;
}
static bool dce(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
{
switch (instr->type)
@@ -9996,6 +10025,8 @@ static void sm1_generate_vsir_instr_jump(struct hlsl_ctx *ctx,
if (jump->type == HLSL_IR_JUMP_DISCARD_NEG)
{
VKD3D_ASSERT(condition->data_type->e.numeric.dimx == 4);
if (!(ins = generate_vsir_add_program_instruction(ctx, program, &instr->loc, VSIR_OP_TEXKILL, 0, 1)))
return;
@@ -14815,6 +14846,8 @@ static void process_entry_function(struct hlsl_ctx *ctx, struct list *semantic_v
{
while (replace_ir(ctx, lower_nonconstant_array_loads, body));
hlsl_transform_ir(ctx, cast_discard_neg_conditions_to_vec4, body, NULL);
replace_ir(ctx, lower_ternary, body);
replace_ir(ctx, lower_int_modulus_sm1, body);
replace_ir(ctx, lower_division, body);