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vkd3d-shader/hlsl: Parse the outputtopology attribute.

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This commit is contained in:
Shaun Ren 2024-08-24 10:12:34 -04:00 committed by Henri Verbeet
parent dae88bab52
commit 615ffb823b
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
4 changed files with 33 additions and 0 deletions
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1
libs/vkd3d-shader/hlsl.c
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@ -4276,6 +4276,7 @@ static bool hlsl_ctx_init(struct hlsl_ctx *ctx, const struct vkd3d_shader_compil
ctx->domain = VKD3D_TESSELLATOR_DOMAIN_INVALID;
ctx->output_control_point_count = UINT_MAX;
ctx->output_primitive = 0;
return true;
}

1
libs/vkd3d-shader/hlsl.h
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@ -1075,6 +1075,7 @@ struct hlsl_ctx
enum vkd3d_tessellator_domain domain;
unsigned int output_control_point_count;
enum vkd3d_shader_tessellator_output_primitive output_primitive;
/* 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

30
libs/vkd3d-shader/hlsl_codegen.c
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@ -5936,6 +5936,34 @@ static void parse_outputcontrolpoints_attribute(struct hlsl_ctx *ctx, const stru
ctx->output_control_point_count = constant->value.u[0].u;
}
static void parse_outputtopology_attribute(struct hlsl_ctx *ctx, const struct hlsl_attribute *attr)
{
const char *value;
if (attr->args_count != 1)
{
hlsl_error(ctx, &attr->loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT,
"Expected 1 parameter for [outputtopology] attribute, but got %u.", attr->args_count);
return;
}
if (!(value = get_string_argument_value(ctx, attr, 0)))
return;
if (!strcmp(value, "point"))
ctx->output_primitive = VKD3D_SHADER_TESSELLATOR_OUTPUT_POINT;
else if (!strcmp(value, "line"))
ctx->output_primitive = VKD3D_SHADER_TESSELLATOR_OUTPUT_LINE;
else if (!strcmp(value, "triangle_cw"))
ctx->output_primitive = VKD3D_SHADER_TESSELLATOR_OUTPUT_TRIANGLE_CW;
else if (!strcmp(value, "triangle_ccw"))
ctx->output_primitive = VKD3D_SHADER_TESSELLATOR_OUTPUT_TRIANGLE_CCW;
else
hlsl_error(ctx, &attr->args[0].node->loc, VKD3D_SHADER_ERROR_HLSL_INVALID_OUTPUT_PRIMITIVE,
"Invalid tessellator output topology \"%s\": "
"expected \"point\", \"line\", \"triangle_cw\", or \"triangle_ccw\".", value);
}
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;
@ -5952,6 +5980,8 @@ static void parse_entry_function_attributes(struct hlsl_ctx *ctx, const struct h
parse_domain_attribute(ctx, attr);
else if (!strcmp(attr->name, "outputcontrolpoints") && profile->type == VKD3D_SHADER_TYPE_HULL)
parse_outputcontrolpoints_attribute(ctx, attr);
else if (!strcmp(attr->name, "outputtopology") && profile->type == VKD3D_SHADER_TYPE_HULL)
parse_outputtopology_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);

1
libs/vkd3d-shader/vkd3d_shader_private.h
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@ -156,6 +156,7 @@ enum vkd3d_shader_error
VKD3D_SHADER_ERROR_HLSL_MISPLACED_COMPILE = 5034,
VKD3D_SHADER_ERROR_HLSL_INVALID_DOMAIN = 5035,
VKD3D_SHADER_ERROR_HLSL_INVALID_CONTROL_POINT_COUNT = 5036,
VKD3D_SHADER_ERROR_HLSL_INVALID_OUTPUT_PRIMITIVE = 5037,
VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION = 5300,
VKD3D_SHADER_WARNING_HLSL_DIVISION_BY_ZERO = 5301,