* Exactly one bit must be set in \a aspect.
*/
struct anv_format
-anv_get_format(VkFormat vk_format, VkImageAspectFlags aspect,
- VkImageTiling tiling)
+anv_get_format(const struct brw_device_info *devinfo, VkFormat vk_format,
+ VkImageAspectFlags aspect, VkImageTiling tiling)
{
struct anv_format format = anv_formats[vk_format];
}
}
+ /* The B4G4R4A4 format isn't available prior to Sky Lake so we have to fall
+ * back to a format with a more complex swizzle.
+ */
+ if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 9) {
+ return (struct anv_format) {
+ .isl_format = ISL_FORMAT_B4G4R4A4_UNORM,
+ .swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE),
+ };
+ }
+
return format;
}
VK_FORMAT_FEATURE_BLIT_DST_BIT;
} else {
struct anv_format linear_fmt, tiled_fmt;
- linear_fmt = anv_get_format(format, VK_IMAGE_ASPECT_COLOR_BIT,
+ linear_fmt = anv_get_format(physical_device->info, format,
+ VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_TILING_LINEAR);
- tiled_fmt = anv_get_format(format, VK_IMAGE_ASPECT_COLOR_BIT,
+ tiled_fmt = anv_get_format(physical_device->info, format,
+ VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_TILING_OPTIMAL);
linear = get_image_format_properties(gen, linear_fmt.isl_format,