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vkd3d-shader/hlsl: Parse the patchconstantfunc attribute.

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This commit is contained in:
Shaun Ren 2024-08-24 11:54:34 -04:00 committed by Henri Verbeet
parent 41cb29c4c8
commit 6c1dc53d15
Notes: Henri Verbeet 2024-09-04 18:50:05 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1015
2 changed files with 38 additions and 0 deletions
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1
libs/vkd3d-shader/hlsl.h
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@ -1077,6 +1077,7 @@ struct hlsl_ctx
unsigned int output_control_point_count;
enum vkd3d_shader_tessellator_output_primitive output_primitive;
enum vkd3d_shader_tessellator_partitioning partitioning;
struct hlsl_ir_function_decl *patch_constant_func;
/* In some cases we generate opcodes by parsing an HLSL function and then
* invoking it. If not NULL, this field is the name of the function that we

37
libs/vkd3d-shader/hlsl_codegen.c
View File

@ -5992,6 +5992,41 @@ static void parse_partitioning_attribute(struct hlsl_ctx *ctx, const struct hlsl
"expected \"integer\", \"pow2\", \"fractional_even\", or \"fractional_odd\".", value);
}
static void parse_patchconstantfunc_attribute(struct hlsl_ctx *ctx, const struct hlsl_attribute *attr)
{
const char *name;
struct hlsl_ir_function *func;
struct hlsl_ir_function_decl *decl;
if (attr->args_count != 1)
{
hlsl_error(ctx, &attr->loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT,
"Expected 1 parameter for [patchconstantfunc] attribute, but got %u.", attr->args_count);
return;
}
if (!(name = get_string_argument_value(ctx, attr, 0)))
return;
ctx->patch_constant_func = NULL;
if ((func = hlsl_get_function(ctx, name)))
{
/* Pick the last overload with a body. */
LIST_FOR_EACH_ENTRY_REV(decl, &func->overloads, struct hlsl_ir_function_decl, entry)
{
if (decl->has_body)
{
ctx->patch_constant_func = decl;
break;
}
}
}
if (!ctx->patch_constant_func)
hlsl_error(ctx, &attr->loc, VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED,
"Patch constant function \"%s\" is not defined.", name);
}
static void parse_entry_function_attributes(struct hlsl_ctx *ctx, const struct hlsl_ir_function_decl *entry_func)
{
const struct hlsl_profile_info *profile = ctx->profile;
@ -6012,6 +6047,8 @@ static void parse_entry_function_attributes(struct hlsl_ctx *ctx, const struct h
parse_outputtopology_attribute(ctx, attr);
else if (!strcmp(attr->name, "partitioning") && profile->type == VKD3D_SHADER_TYPE_HULL)
parse_partitioning_attribute(ctx, attr);
else if (!strcmp(attr->name, "patchconstantfunc") && profile->type == VKD3D_SHADER_TYPE_HULL)
parse_patchconstantfunc_attribute(ctx, attr);
else
hlsl_warning(ctx, &entry_func->attrs[i]->loc, VKD3D_SHADER_WARNING_HLSL_UNKNOWN_ATTRIBUTE,
"Ignoring unknown attribute \"%s\".", entry_func->attrs[i]->name);