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libs/vkd3d-shader: Implement swizzling for shader outputs.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia
2018-05-24 13:08:35 +02:00
committed by Alexandre Julliard
parent 926f844ead
commit 40ee9fa0e9
6 changed files with 52 additions and 22 deletions
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23
include/private/vkd3d_shader.h
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@@ -125,9 +125,16 @@ struct vkd3d_shader_interface
unsigned int uav_counter_count;
};
struct vkd3d_shader_compile_arguments
{
unsigned int *output_swizzles;
unsigned int output_swizzle_count;
};
int vkd3d_shader_compile_dxbc(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_code *spirv, uint32_t compiler_options,
const struct vkd3d_shader_interface *shader_interface);
const struct vkd3d_shader_interface *shader_interface,
const struct vkd3d_shader_compile_arguments *compile_args);
void vkd3d_shader_free_shader_code(struct vkd3d_shader_code *code);
enum vkd3d_filter
@@ -390,6 +397,20 @@ struct vkd3d_shader_signature_element *vkd3d_shader_find_signature_element(
unsigned int semantic_index, unsigned int stream_index);
void vkd3d_shader_free_shader_signature(struct vkd3d_shader_signature *signature);
/* swizzle bits fields: wwzzyyxx */
#define VKD3D_SWIZZLE_X (0u)
#define VKD3D_SWIZZLE_Y (1u)
#define VKD3D_SWIZZLE_Z (2u)
#define VKD3D_SWIZZLE_W (3u)
#define VKD3D_SWIZZLE_MASK (0x3u)
#define VKD3D_SWIZZLE_SHIFT(idx) (2u * (idx))
#define VKD3D_SWIZZLE(x, y, z, w) (((x & VKD3D_SWIZZLE_MASK) << VKD3D_SWIZZLE_SHIFT(0)) \
| ((y & VKD3D_SWIZZLE_MASK) << VKD3D_SWIZZLE_SHIFT(1)) \
| ((z & VKD3D_SWIZZLE_MASK) << VKD3D_SWIZZLE_SHIFT(2)) \
| ((w & VKD3D_SWIZZLE_MASK) << VKD3D_SWIZZLE_SHIFT(3)))
#define VKD3D_NO_SWIZZLE \
VKD3D_SWIZZLE(VKD3D_SWIZZLE_X, VKD3D_SWIZZLE_Y, VKD3D_SWIZZLE_Z, VKD3D_SWIZZLE_W)
#ifdef __cplusplus
}
#endif /* __cplusplus */