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vkd3d-shader/hlsl: Parse the SampleLevel method.

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This commit is contained in:
Zebediah Figura
2021-08-16 20:28:47 -05:00
committed by Alexandre Julliard
parent 3d9baef321
commit d6f45b730f
Notes: Alexandre Julliard 2022-10-18 00:13:00 +02:00 
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/9
5 changed files with 86 additions and 3 deletions
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55
libs/vkd3d-shader/hlsl.y
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@@ -2704,6 +2704,61 @@ static bool add_method_call(struct hlsl_ctx *ctx, struct list *instrs, struct hl
list_add_tail(instrs, &load->node.entry);
return true;
}
else if (!strcmp(name, "SampleLevel")
&& object_type->sampler_dim != HLSL_SAMPLER_DIM_2DMS
&& object_type->sampler_dim != HLSL_SAMPLER_DIM_2DMSARRAY)
{
const unsigned int sampler_dim = hlsl_sampler_dim_count(object_type->sampler_dim);
const struct hlsl_type *sampler_type;
struct hlsl_ir_resource_load *load;
struct hlsl_ir_node *offset = NULL;
struct hlsl_ir_load *sampler_load;
struct hlsl_ir_node *coords, *lod;
if (params->args_count != 3 && params->args_count != 4)
{
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT,
"Wrong number of arguments to method 'SampleLevel': expected 3 or 4, but got %u.", params->args_count);
return false;
}
sampler_type = params->args[0]->data_type;
if (sampler_type->type != HLSL_CLASS_OBJECT || sampler_type->base_type != HLSL_TYPE_SAMPLER
|| sampler_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC)
{
struct vkd3d_string_buffer *string;
if ((string = hlsl_type_to_string(ctx, sampler_type)))
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE,
"Wrong type for argument 0 of SampleLevel(): expected 'sampler', but got '%s'.", string->buffer);
hlsl_release_string_buffer(ctx, string);
return false;
}
/* Only HLSL_IR_LOAD can return an object. */
sampler_load = hlsl_ir_load(params->args[0]);
if (!(coords = add_implicit_conversion(ctx, instrs, params->args[1],
hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, sampler_dim), loc)))
coords = params->args[1];
if (!(lod = add_implicit_conversion(ctx, instrs, params->args[2],
hlsl_get_scalar_type(ctx, HLSL_TYPE_FLOAT), loc)))
lod = params->args[2];
if (params->args_count == 4)
{
if (!(offset = add_implicit_conversion(ctx, instrs, params->args[3],
hlsl_get_vector_type(ctx, HLSL_TYPE_INT, sampler_dim), loc)))
return false;
}
if (!(load = hlsl_new_sample_lod(ctx, object_type->e.resource_format,
&object_load->src, &sampler_load->src, coords, offset, lod, loc)))
return false;
list_add_tail(instrs, &load->node.entry);
return true;
}
else
{
struct vkd3d_string_buffer *string;