diff options
Diffstat (limited to 'include/GL')
| -rw-r--r-- | include/GL/internal/dri_interface.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index 29c9a116136..82e5fde7f03 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -919,12 +919,19 @@ struct __DRIdri2ExtensionRec { * tokens, except in the native endian of the CPU. For example, on * little endian __DRI_IMAGE_FORMAT_XRGB8888 corresponds to * MESA_FORMAT_XRGB8888, but MESA_FORMAT_XRGB8888_REV on big endian. + * + * __DRI_IMAGE_FORMAT_NONE is for images that aren't directly usable + * by the driver (YUV planar formats) but serve as a base image for + * creating sub-images for the different planes within the image. */ #define __DRI_IMAGE_FORMAT_RGB565 0x1001 #define __DRI_IMAGE_FORMAT_XRGB8888 0x1002 #define __DRI_IMAGE_FORMAT_ARGB8888 0x1003 #define __DRI_IMAGE_FORMAT_ABGR8888 0x1004 #define __DRI_IMAGE_FORMAT_XBGR8888 0x1005 +#define __DRI_IMAGE_FORMAT_R8 0x1006 /* Since version 5 */ +#define __DRI_IMAGE_FORMAT_GR88 0x1007 +#define __DRI_IMAGE_FORMAT_NONE 0x1008 #define __DRI_IMAGE_USE_SHARE 0x0001 #define __DRI_IMAGE_USE_SCANOUT 0x0002 @@ -981,6 +988,26 @@ struct __DRIimageExtensionRec { * \since 4 */ int (*write)(__DRIimage *image, const void *buf, size_t count); + + /** + * Create an image out of a sub-region of a parent image. This + * entry point lets us create individual __DRIimages for different + * planes in a planar buffer (typically yuv), for example. While a + * sub-image shares the underlying buffer object with the parent + * image and other sibling sub-images, the life times of parent and + * sub-images are not dependent. Destroying the parent or a + * sub-image doesn't affect other images. The underlying buffer + * object is free when no __DRIimage remains that references it. + * + * Sub-images may overlap, but rendering to overlapping sub-images + * is undefined. + * + * \since 5 + */ + __DRIimage *(*createSubImage)(__DRIimage *image, + int width, int height, int format, + int offset, int pitch, + void *loaderPrivate); }; |