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vkd3d-shader/hlsl: Improve tracking of used components running DCE before.

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track_object_components_usage() had to be improved to also
register derefs on resource stores.
It was not doing it because it assumed that for every resource store
there was a resource load already, which was true, before calling DCE.
This commit is contained in:
Francisco Casas 2024-05-06 23:37:31 -04:00 committed by Alexandre Julliard
parent 657e460d11
commit e0a801e796
Notes: Alexandre Julliard 2024-05-13 22:57:39 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/851
2 changed files with 32 additions and 23 deletions
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53
libs/vkd3d-shader/hlsl_codegen.c
View File

@ -4248,34 +4248,38 @@ static bool track_object_components_sampler_dim(struct hlsl_ctx *ctx, struct hls
return false;
}
static bool track_object_components_usage(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
static void register_deref_usage(struct hlsl_ctx *ctx, struct hlsl_deref *deref)
{
struct hlsl_ir_resource_load *load;
struct hlsl_ir_var *var;
enum hlsl_regset regset;
struct hlsl_ir_var *var = deref->var;
enum hlsl_regset regset = hlsl_deref_get_regset(ctx, deref);
unsigned int index;
if (instr->type != HLSL_IR_RESOURCE_LOAD)
return false;
if (!hlsl_regset_index_from_deref(ctx, deref, regset, &index))
return;
load = hlsl_ir_resource_load(instr);
var = load->resource.var;
regset = hlsl_deref_get_regset(ctx, &load->resource);
if (!hlsl_regset_index_from_deref(ctx, &load->resource, regset, &index))
return false;
var->objects_usage[regset][index].used = true;
var->bind_count[regset] = max(var->bind_count[regset], index + 1);
if (load->sampler.var)
if (regset <= HLSL_REGSET_LAST_OBJECT)
{
var = load->sampler.var;
if (!hlsl_regset_index_from_deref(ctx, &load->sampler, HLSL_REGSET_SAMPLERS, &index))
return false;
var->objects_usage[regset][index].used = true;
var->bind_count[regset] = max(var->bind_count[regset], index + 1);
}
}
var->objects_usage[HLSL_REGSET_SAMPLERS][index].used = true;
var->bind_count[HLSL_REGSET_SAMPLERS] = max(var->bind_count[HLSL_REGSET_SAMPLERS], index + 1);
static bool track_object_components_usage(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
{
switch (instr->type)
{
case HLSL_IR_RESOURCE_LOAD:
register_deref_usage(ctx, &hlsl_ir_resource_load(instr)->resource);
if (hlsl_ir_resource_load(instr)->sampler.var)
register_deref_usage(ctx, &hlsl_ir_resource_load(instr)->sampler);
break;
case HLSL_IR_RESOURCE_STORE:
register_deref_usage(ctx, &hlsl_ir_resource_store(instr)->resource);
break;
default:
break;
}
return false;
@ -5440,6 +5444,11 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry
hlsl_transform_ir(ctx, track_object_components_sampler_dim, body, NULL);
if (profile->major_version >= 4)
hlsl_transform_ir(ctx, lower_combined_samples, body, NULL);
do
compute_liveness(ctx, entry_func);
while (hlsl_transform_ir(ctx, dce, body, NULL));
hlsl_transform_ir(ctx, track_object_components_usage, body, NULL);
sort_synthetic_separated_samplers_first(ctx);

2
tests/hlsl/ternary.shader_test
View File

@ -318,7 +318,7 @@ probe all rgba (2.0, 3.0, 3.0, 2.0)
% Objects can be used, but their types have to be identical.
[pixel shader todo(sm<4)]
[pixel shader]
Texture2D t;
float4 main() : sv_target