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vkd3d-shader: Implement scanning compute shader thread group size information.

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Metal doesn't allow the thread group size to be specified by shaders,
instead requiring it to be specified by the dispatch API.
This commit is contained in:
Henri Verbeet
2025-05-31 19:53:41 +02:00
parent 320c3c9652
commit 5bbd44c063
Notes: Henri Verbeet 2025-08-21 16:34:50 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1674
3 changed files with 105 additions and 0 deletions
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23
include/vkd3d_shader.h
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@@ -120,6 +120,11 @@ enum vkd3d_shader_structure_type
* \since 1.15
*/
VKD3D_SHADER_STRUCTURE_TYPE_SCAN_HULL_SHADER_TESSELLATION_INFO,
/**
* The structure is a vkd3d_shader_scan_thread_group_size_info structure.
* \since 1.18
*/
VKD3D_SHADER_STRUCTURE_TYPE_SCAN_THREAD_GROUP_SIZE_INFO,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_STRUCTURE_TYPE),
};
@@ -2282,6 +2287,24 @@ struct vkd3d_shader_scan_hull_shader_tessellation_info
enum vkd3d_shader_tessellator_partitioning partitioning;
};
/**
* A chained structure describing the thread group size in a compute shader.
*
* This structure extends vkd3d_shader_compile_info.
*
* \since 1.18
*/
struct vkd3d_shader_scan_thread_group_size_info
{
/** Must be set to VKD3D_SHADER_STRUCTURE_TYPE_SCAN_THREAD_GROUP_SIZE_INFO. */
enum vkd3d_shader_structure_type type;
/** Optional pointer to a structure containing further parameters. */
const void *next;
/** The thread group size in the x/y/z direction. */
unsigned int x, y, z;
};
/**
* Data type of a shader varying, returned as part of struct
* vkd3d_shader_signature_element.