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vkd3d-shader/hlsl: Support combined samplers from texture arrays.

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This commit is contained in:
Francisco Casas 2024-12-03 17:05:48 -03:00 committed by Henri Verbeet
parent 3a6bf3be24
commit 455846a305
Notes: Henri Verbeet 2024-12-10 15:58:19 +01:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1303
1 changed files with 20 additions and 8 deletions
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28
libs/vkd3d-shader/hlsl_codegen.c
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@ -2791,6 +2791,21 @@ static bool lower_nonconstant_array_loads(struct hlsl_ctx *ctx, struct hlsl_ir_n
return true;
}
static struct hlsl_type *clone_texture_array_as_combined_sampler_array(struct hlsl_ctx *ctx, struct hlsl_type *type)
{
struct hlsl_type *sampler_type;
if (type->class == HLSL_CLASS_ARRAY)
{
if (!(sampler_type = clone_texture_array_as_combined_sampler_array(ctx, type->e.array.type)))
return NULL;
return hlsl_new_array_type(ctx, sampler_type, type->e.array.elements_count);
}
return ctx->builtin_types.sampler[type->sampler_dim];
}
/* Lower samples from separate texture and sampler variables to samples from
* synthetized combined samplers. That is, translate SM4-style samples in the
* source to SM1-style samples in the bytecode. */
@ -2800,7 +2815,6 @@ static bool lower_separate_samples(struct hlsl_ctx *ctx, struct hlsl_ir_node *in
struct hlsl_ir_resource_load *load;
struct vkd3d_string_buffer *name;
struct hlsl_type *sampler_type;
unsigned int sampler_dim;
if (instr->type != HLSL_IR_RESOURCE_LOAD)
return false;
@ -2826,11 +2840,6 @@ static bool lower_separate_samples(struct hlsl_ctx *ctx, struct hlsl_ir_node *in
"Lower separated samples with sampler arrays.");
return false;
}
if (resource->data_type->class == HLSL_CLASS_ARRAY)
{
hlsl_fixme(ctx, &instr->loc, "Lower separated samples with resource arrays.");
return false;
}
if (!resource->is_uniform)
return false;
if(!sampler->is_uniform)
@ -2839,13 +2848,16 @@ static bool lower_separate_samples(struct hlsl_ctx *ctx, struct hlsl_ir_node *in
if (!(name = hlsl_get_string_buffer(ctx)))
return false;
vkd3d_string_buffer_printf(name, "%s+%s", sampler->name, resource->name);
sampler_dim = hlsl_get_multiarray_element_type(resource->data_type)->sampler_dim;
TRACE("Lowering to combined sampler %s.\n", debugstr_a(name->buffer));
if (!(var = hlsl_get_var(ctx->globals, name->buffer)))
{
sampler_type = ctx->builtin_types.sampler[sampler_dim];
if (!(sampler_type = clone_texture_array_as_combined_sampler_array(ctx, resource->data_type)))
{
hlsl_release_string_buffer(ctx, name);
return false;
}
if (!(var = hlsl_new_synthetic_var_named(ctx, name->buffer, sampler_type, &instr->loc, false)))
{