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vkd3d-shader: Change the memory layout of swizzles to allow for future swizzle components.

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We may want to add e.g. VKD3D_SHADER_SWIZZLE_ONE and
VKD3D_SHADER_SWIZZLE_ZERO in the future.

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet
2020-08-20 23:39:41 +04:30
committed by Alexandre Julliard
parent 2dd0d207d5
commit 9efcf45d7a
2 changed files with 23 additions and 8 deletions
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22
include/vkd3d_shader.h
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@@ -741,17 +741,27 @@ enum vkd3d_shader_swizzle_component
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_SWIZZLE_COMPONENT),
};
#define VKD3D_SHADER_SWIZZLE_MASK (0x3u)
#define VKD3D_SHADER_SWIZZLE_SHIFT(idx) (2u * (idx))
#define VKD3D_SHADER_SWIZZLE_MASK (0xffu)
#define VKD3D_SHADER_SWIZZLE_SHIFT(idx) (8u * (idx))
#define VKD3D_SHADER_SWIZZLE(x, y, z, w) \
(((VKD3D_SHADER_SWIZZLE_ ## x) << VKD3D_SHADER_SWIZZLE_SHIFT(0)) \
| ((VKD3D_SHADER_SWIZZLE_ ## y) << VKD3D_SHADER_SWIZZLE_SHIFT(1)) \
| ((VKD3D_SHADER_SWIZZLE_ ## z) << VKD3D_SHADER_SWIZZLE_SHIFT(2)) \
| ((VKD3D_SHADER_SWIZZLE_ ## w) << VKD3D_SHADER_SWIZZLE_SHIFT(3)))
vkd3d_shader_create_swizzle(VKD3D_SHADER_SWIZZLE_ ## x, \
VKD3D_SHADER_SWIZZLE_ ## y, \
VKD3D_SHADER_SWIZZLE_ ## z, \
VKD3D_SHADER_SWIZZLE_ ## w)
#define VKD3D_SHADER_NO_SWIZZLE VKD3D_SHADER_SWIZZLE(X, Y, Z, W)
static inline uint32_t vkd3d_shader_create_swizzle(enum vkd3d_shader_swizzle_component x,
enum vkd3d_shader_swizzle_component y, enum vkd3d_shader_swizzle_component z,
enum vkd3d_shader_swizzle_component w)
{
return ((x & VKD3D_SHADER_SWIZZLE_MASK) << VKD3D_SHADER_SWIZZLE_SHIFT(0))
| ((y & VKD3D_SHADER_SWIZZLE_MASK) << VKD3D_SHADER_SWIZZLE_SHIFT(1))
| ((z & VKD3D_SHADER_SWIZZLE_MASK) << VKD3D_SHADER_SWIZZLE_SHIFT(2))
| ((w & VKD3D_SHADER_SWIZZLE_MASK) << VKD3D_SHADER_SWIZZLE_SHIFT(3));
}
#ifndef VKD3D_SHADER_NO_PROTOTYPES
const char *vkd3d_shader_get_version(unsigned int *major, unsigned int *minor);