/**
* Everything else that doesn't fit in any of the above layouts.
*/
- VK_FORMAT_LAYOUT_OTHER = 9
+ VK_FORMAT_LAYOUT_OTHER = 9,
+
+ /**
+ * Formats that contain multiple planes.
+ */
+ VK_FORMAT_LAYOUT_MULTIPLANE = 10,
};
struct vk_format_block
unsigned char swizzle[4];
enum vk_format_colorspace colorspace;
+
+ unsigned plane_count:2;
+ unsigned width_divisor:2;
+ unsigned height_divisor:2;
+ VkFormat plane_formats[3];
};
extern const struct vk_format_description vk_format_description_table[];
}
}
+static inline bool
+vk_format_is_subsampled(VkFormat format)
+{
+ const struct vk_format_description *desc = vk_format_description(format);
+
+ assert(desc);
+ if (!desc) {
+ return false;
+ }
+
+ return desc->layout == VK_FORMAT_LAYOUT_SUBSAMPLED;
+}
+
static inline bool
vk_format_has_depth(const struct vk_format_description *desc)
{
return desc->colorspace == VK_FORMAT_COLORSPACE_SRGB;
}
+static inline VkFormat
+vk_format_no_srgb(VkFormat format)
+{
+ switch(format) {
+ case VK_FORMAT_R8_SRGB:
+ return VK_FORMAT_R8_UNORM;
+ case VK_FORMAT_R8G8_SRGB:
+ return VK_FORMAT_R8G8_UNORM;
+ case VK_FORMAT_R8G8B8_SRGB:
+ return VK_FORMAT_R8G8B8_UNORM;
+ case VK_FORMAT_B8G8R8_SRGB:
+ return VK_FORMAT_B8G8R8_UNORM;
+ case VK_FORMAT_R8G8B8A8_SRGB:
+ return VK_FORMAT_R8G8B8A8_UNORM;
+ case VK_FORMAT_B8G8R8A8_SRGB:
+ return VK_FORMAT_B8G8R8A8_UNORM;
+ case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
+ return VK_FORMAT_A8B8G8R8_UNORM_PACK32;
+ case VK_FORMAT_BC1_RGB_SRGB_BLOCK:
+ return VK_FORMAT_BC1_RGB_UNORM_BLOCK;
+ case VK_FORMAT_BC1_RGBA_SRGB_BLOCK:
+ return VK_FORMAT_BC1_RGBA_UNORM_BLOCK;
+ case VK_FORMAT_BC2_SRGB_BLOCK:
+ return VK_FORMAT_BC2_UNORM_BLOCK;
+ case VK_FORMAT_BC3_SRGB_BLOCK:
+ return VK_FORMAT_BC3_UNORM_BLOCK;
+ case VK_FORMAT_BC7_SRGB_BLOCK:
+ return VK_FORMAT_BC7_UNORM_BLOCK;
+ case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK:
+ return VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK;
+ case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
+ return VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK;
+ case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK:
+ return VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK;
+ default:
+ assert(!vk_format_is_srgb(format));
+ return format;
+ }
+}
+
static inline VkFormat
vk_format_stencil_only(VkFormat format)
{
return desc->nr_channels;
}
+static inline unsigned
+vk_format_get_plane_count(VkFormat format)
+{
+ const struct vk_format_description *desc = vk_format_description(format);
+
+ return desc->plane_count;
+}
+
+static inline VkFormat
+vk_format_get_plane_format(VkFormat format, unsigned plane_id)
+{
+ const struct vk_format_description *desc = vk_format_description(format);
+
+ if (desc->layout != VK_FORMAT_LAYOUT_MULTIPLANE) {
+ assert(plane_id == 0);
+ return format;
+ }
+
+ assert(plane_id < desc->plane_count);
+
+ return desc->plane_formats[plane_id];
+}
+
+
#endif /* VK_FORMAT_H */