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vkd3d-shader/hlsl: Parse the tex2D() intrinsic.

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Zebediah Figura 2021-08-11 18:26:21 -05:00 committed by Alexandre Julliard
parent 9fdff25a3b
commit 645ec0167a
Notes: Alexandre Julliard 2023-02-22 21:51:16 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/66
1 changed files with 61 additions and 0 deletions
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61
libs/vkd3d-shader/hlsl.y
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@ -3067,6 +3067,66 @@ static bool intrinsic_step(struct hlsl_ctx *ctx,
return !!add_implicit_conversion(ctx, params->instrs, ge, type, loc);
}
static bool intrinsic_tex(struct hlsl_ctx *ctx, const struct parse_initializer *params,
const struct vkd3d_shader_location *loc, const char *name, enum hlsl_sampler_dim dim)
{
struct hlsl_resource_load_params load_params = {.type = HLSL_RESOURCE_SAMPLE};
const struct hlsl_type *sampler_type;
struct hlsl_ir_resource_load *load;
struct hlsl_ir_load *sampler_load;
struct hlsl_ir_node *coords;
if (params->args_count != 2 && params->args_count != 4)
{
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT,
"Wrong number of arguments to function '%s': expected 2 or 4, but got %u.", name, params->args_count);
return false;
}
if (params->args_count == 4)
{
hlsl_fixme(ctx, loc, "Samples with gradients are not implemented.\n");
}
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 != dim && 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 1 of '%s': expected 'sampler' or '%s', but got '%s'.",
name, ctx->builtin_types.sampler[dim]->name, string->buffer);
hlsl_release_string_buffer(ctx, string);
}
else
{
/* Only HLSL_IR_LOAD can return an object. */
sampler_load = hlsl_ir_load(params->args[0]);
load_params.resource = sampler_load->src;
}
if (!(coords = add_implicit_conversion(ctx, params->instrs, params->args[1],
hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, hlsl_sampler_dim_count(dim)), loc)))
coords = params->args[1];
load_params.coords = coords;
load_params.format = hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, 4);
if (!(load = hlsl_new_resource_load(ctx, &load_params, loc)))
return false;
list_add_tail(params->instrs, &load->node.entry);
return true;
}
static bool intrinsic_tex2D(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
return intrinsic_tex(ctx, params, loc, "tex2D", HLSL_SAMPLER_DIM_2D);
}
static bool intrinsic_transpose(struct hlsl_ctx *ctx,
const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
{
@ -3163,6 +3223,7 @@ intrinsic_functions[] =
{"smoothstep", 3, true, intrinsic_smoothstep},
{"sqrt", 1, true, intrinsic_sqrt},
{"step", 2, true, intrinsic_step},
{"tex2D", -1, false, intrinsic_tex2D},
{"transpose", 1, true, intrinsic_transpose},
};