dri: Rework planar image interface

As discussed with Kristian on #wayland. Pushes the decision of components into
the dri driver giving it greater freedom to allow t to implement YUV samplers
in hardware, and which mode to use.

This interface will also allow drivers like SVGA to implement YUV surfaces
without the need to sub-allocate and instead send 3 seperate buffers for each
channel, currently not implemented.

I have tested these changes on Gallium Svga. Scott tested them on both intel
and Gallium Radeon. Kristan and Pekka tested them on intel.

v2: Fix typo in dri2_from_planar.
v3: Merge in intel changes.

Tested-by: Scott Moreau <oreaus@gmail.com>
Tested-by: Pekka Paalanen <ppaalanen@gmail.com>
Tested-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
This commit is contained in:
Jakob Bornecrantz
2012-08-31 19:48:26 +02:00
parent 022f6d8861
commit 6a7dea93fa
7 changed files with 348 additions and 122 deletions

View File

@@ -923,6 +923,10 @@ struct __DRIdri2ExtensionRec {
* __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.
*
* R8, GR88 and NONE should not be used with createImageFormName or
* createImage, and are returned by query from sub images created with
* createImageFromNames (NONE, see above) and fromPlane (R8 & GR88).
*/
#define __DRI_IMAGE_FORMAT_RGB565 0x1001
#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002
@@ -937,6 +941,49 @@ struct __DRIdri2ExtensionRec {
#define __DRI_IMAGE_USE_SCANOUT 0x0002
#define __DRI_IMAGE_USE_CURSOR 0x0004 /* Depricated */
/**
* Four CC formats that matches with WL_DRM_FORMAT_* from wayland_drm.h
* and GBM_FORMAT_* from gbm.h, used with createImageFromNames.
*
* \since 5
*/
#define __DRI_IMAGE_FOURCC_RGB565 0x36314752
#define __DRI_IMAGE_FOURCC_ARGB8888 0x34325241
#define __DRI_IMAGE_FOURCC_XRGB8888 0x34325258
#define __DRI_IMAGE_FOURCC_ABGR8888 0x34324241
#define __DRI_IMAGE_FOURCC_XBGR8888 0x34324258
#define __DRI_IMAGE_FOURCC_YUV410 0x39565559
#define __DRI_IMAGE_FOURCC_YUV411 0x31315559
#define __DRI_IMAGE_FOURCC_YUV420 0x32315559
#define __DRI_IMAGE_FOURCC_YUV422 0x36315559
#define __DRI_IMAGE_FOURCC_YUV444 0x34325559
#define __DRI_IMAGE_FOURCC_NV12 0x3231564e
#define __DRI_IMAGE_FOURCC_NV16 0x3631564e
#define __DRI_IMAGE_FOURCC_YUYV 0x56595559
/**
* Queryable on images created by createImageFromNames.
*
* RGB and RGBA are may be usable directly as images but its still
* recommended to call fromPlanar with plane == 0.
*
* Y_U_V, Y_UV and Y_XUXV all requires call to fromPlanar to create
* usable sub-images, sampling from images return raw YUV data and
* color conversion needs to be done in the shader.
*
* \since 5
*/
#define __DRI_IMAGE_COMPONENTS_RGB 0x3001
#define __DRI_IMAGE_COMPONENTS_RGBA 0x3002
#define __DRI_IMAGE_COMPONENTS_Y_U_V 0x3003
#define __DRI_IMAGE_COMPONENTS_Y_UV 0x3004
#define __DRI_IMAGE_COMPONENTS_Y_XUXV 0x3005
/**
* queryImage attributes
*/
@@ -947,6 +994,7 @@ struct __DRIdri2ExtensionRec {
#define __DRI_IMAGE_ATTRIB_FORMAT 0x2003 /* available in versions 3+ */
#define __DRI_IMAGE_ATTRIB_WIDTH 0x2004 /* available in versions 4+ */
#define __DRI_IMAGE_ATTRIB_HEIGHT 0x2005
#define __DRI_IMAGE_ATTRIB_COMPONENTS 0x2006 /* available in versions 5+ */
typedef struct __DRIimageRec __DRIimage;
typedef struct __DRIimageExtensionRec __DRIimageExtension;
@@ -983,6 +1031,19 @@ struct __DRIimageExtensionRec {
*/
GLboolean (*validateUsage)(__DRIimage *image, unsigned int use);
/**
* Unlike createImageFromName __DRI_IMAGE_FORMAT is not but instead
* __DRI_IMAGE_FOURCC and strides are in bytes not pixels. Stride is
* also per block and not per pixel (for non-RGB, see gallium blocks).
*
* \since 5
*/
__DRIimage *(*createImageFromNames)(__DRIscreen *screen,
int width, int height, int fourcc,
int *names, int num_names,
int *strides, int *offsets,
void *loaderPrivate);
/**
* Create an image out of a sub-region of a parent image. This
* entry point lets us create individual __DRIimages for different
@@ -998,10 +1059,8 @@ struct __DRIimageExtensionRec {
*
* \since 5
*/
__DRIimage *(*createSubImage)(__DRIimage *image,
int width, int height, int format,
int offset, int pitch,
void *loaderPrivate);
__DRIimage *(*fromPlanar)(__DRIimage *image, int plane,
void *loaderPrivate);
};