ace35e408c
This is the first commit to add support for large pixmap. The large here means a pixmap is larger than the texutre's size limitation thus can't fit into one single texutre. The previous implementation will simply fallback to use a in memory pixmap to contain the large pixmap which is very slow in practice. The basic idea here is to use an array of texture to hold the large pixmap. And when we need to get a specific area of the pixmap, we just need to compute/clip the correct region and find the corresponding fbo. We need to implement some auxiliary routines to clip every rendering operations into small pieces which can fit into one texture. The complex part is the transformation/repeat/repeatReflect and repeat pad and their comination. We will support all of them step by step. This commit just add some necessary data structure to represent the large pixmap, and doesn't change any rendering process. This commit doesn't add real large pixmap support. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/*
|
|
* Copyright © 2009 Intel Corporation
|
|
* Copyright © 1998 Keith Packard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*
|
|
* Authors:
|
|
* Zhigang Gong <zhigang.gong@gmail.com>
|
|
*
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "glamor_priv.h"
|
|
#include "mipict.h"
|
|
|
|
/* Upload picture to texture. We may need to flip the y axis or
|
|
* wire alpha to 1. So we may conditional create fbo for the picture.
|
|
* */
|
|
enum glamor_pixmap_status
|
|
glamor_upload_picture_to_texture(PicturePtr picture)
|
|
{
|
|
PixmapPtr pixmap;
|
|
assert(picture->pDrawable);
|
|
pixmap = glamor_get_drawable_pixmap(picture->pDrawable);
|
|
|
|
return glamor_upload_pixmap_to_texture(pixmap);
|
|
}
|
|
|
|
|
|
Bool
|
|
glamor_prepare_access_picture(PicturePtr picture, glamor_access_t access)
|
|
{
|
|
if (!picture || !picture->pDrawable)
|
|
return TRUE;
|
|
|
|
return glamor_prepare_access(picture->pDrawable, access);
|
|
}
|
|
|
|
void
|
|
glamor_finish_access_picture(PicturePtr picture, glamor_access_t access)
|
|
{
|
|
if (!picture || !picture->pDrawable)
|
|
return;
|
|
|
|
glamor_finish_access(picture->pDrawable, access);
|
|
}
|
|
|
|
/*
|
|
* We should already have drawable attached to it, if it has one.
|
|
* Then set the attached pixmap to is_picture format, and set
|
|
* the pict format.
|
|
* */
|
|
int
|
|
glamor_create_picture(PicturePtr picture)
|
|
{
|
|
PixmapPtr pixmap;
|
|
glamor_pixmap_private *pixmap_priv;
|
|
glamor_screen_private *glamor_priv;
|
|
|
|
if (!picture || !picture->pDrawable)
|
|
return 0;
|
|
|
|
glamor_priv =
|
|
glamor_get_screen_private(picture->pDrawable->pScreen);
|
|
pixmap = glamor_get_drawable_pixmap(picture->pDrawable);
|
|
pixmap_priv = glamor_get_pixmap_private(pixmap);
|
|
if (!pixmap_priv) {
|
|
/* We must create a pixmap priv to track the picture format even
|
|
* if the pixmap is a pure in memory pixmap. The reason is that
|
|
* we may need to upload this pixmap to a texture on the fly. During
|
|
* the uploading, we need to know the picture format. */
|
|
glamor_set_pixmap_type(pixmap, GLAMOR_MEMORY);
|
|
pixmap_priv = glamor_get_pixmap_private(pixmap);
|
|
} else {
|
|
if (GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) {
|
|
/* If the picture format is not compatible with glamor fbo format,
|
|
* we have to mark this pixmap as a separated texture, and don't
|
|
* fallback to DDX layer. */
|
|
if (pixmap_priv->type == GLAMOR_TEXTURE_DRM
|
|
&& !glamor_pict_format_is_compatible(picture->format,
|
|
pixmap->drawable.depth))
|
|
glamor_set_pixmap_type(pixmap, GLAMOR_SEPARATE_TEXTURE);
|
|
}
|
|
}
|
|
|
|
pixmap_priv->base.is_picture = 1;
|
|
pixmap_priv->base.picture = picture;
|
|
|
|
return miCreatePicture(picture);
|
|
}
|
|
|
|
void
|
|
glamor_destroy_picture(PicturePtr picture)
|
|
{
|
|
PixmapPtr pixmap;
|
|
glamor_pixmap_private *pixmap_priv;
|
|
glamor_screen_private *glamor_priv;
|
|
|
|
if (!picture || !picture->pDrawable)
|
|
return;
|
|
|
|
glamor_priv =
|
|
glamor_get_screen_private(picture->pDrawable->pScreen);
|
|
pixmap = glamor_get_drawable_pixmap(picture->pDrawable);
|
|
pixmap_priv = glamor_get_pixmap_private(pixmap);
|
|
|
|
if (pixmap_priv) {
|
|
pixmap_priv->base.is_picture = 0;
|
|
pixmap_priv->base.picture = NULL;
|
|
}
|
|
miDestroyPicture(picture);
|
|
}
|
|
|
|
void
|
|
glamor_picture_format_fixup(PicturePtr picture,
|
|
glamor_pixmap_private * pixmap_priv)
|
|
{
|
|
pixmap_priv->base.picture = picture;
|
|
}
|