d96226ac6f
Don't need to prepare the whole source pixmap. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
152 lines
4.3 KiB
C
152 lines
4.3 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 "glamor_priv.h"
|
|
|
|
|
|
static Bool
|
|
_glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
|
|
unsigned int format, unsigned long planeMask, char *d,
|
|
Bool fallback)
|
|
{
|
|
PixmapPtr pixmap;
|
|
struct glamor_pixmap_private *pixmap_priv;
|
|
struct glamor_screen_private *glamor_priv;
|
|
int x_off, y_off;
|
|
GLenum tex_format, tex_type;
|
|
int no_alpha, revert;
|
|
glamor_pixmap_fbo *temp_fbo = NULL;
|
|
glamor_gl_dispatch * dispatch;
|
|
Bool ret = FALSE;
|
|
int swap_rb;
|
|
|
|
if (format != ZPixmap)
|
|
goto fall_back;
|
|
|
|
glamor_priv = glamor_get_screen_private(drawable->pScreen);
|
|
pixmap = glamor_get_drawable_pixmap(drawable);
|
|
glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
|
|
|
|
if (!glamor_set_planemask(pixmap, planeMask)) {
|
|
glamor_fallback
|
|
("Failedto set planemask in glamor_solid.\n");
|
|
goto fall_back;
|
|
}
|
|
glamor_priv = glamor_get_screen_private(drawable->pScreen);
|
|
pixmap_priv = glamor_get_pixmap_private(pixmap);
|
|
|
|
|
|
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
|
|
goto fall_back;
|
|
|
|
if (glamor_get_tex_format_type_from_pixmap(pixmap,
|
|
&tex_format,
|
|
&tex_type,
|
|
&no_alpha,
|
|
&revert,
|
|
&swap_rb,
|
|
0)) {
|
|
glamor_fallback("unknown depth. %d \n", drawable->depth);
|
|
goto fall_back;
|
|
}
|
|
|
|
if (revert > REVERT_NORMAL)
|
|
goto fall_back;
|
|
|
|
glamor_set_destination_pixmap_priv_nc(pixmap_priv);
|
|
glamor_validate_pixmap(pixmap);
|
|
|
|
x += drawable->x + x_off;
|
|
y += drawable->y + y_off;
|
|
|
|
if (glamor_priv->gl_flavor == GLAMOR_GL_ES2
|
|
&& ( swap_rb != SWAP_NONE_DOWNLOADING
|
|
|| revert != REVERT_NONE)) {
|
|
temp_fbo =
|
|
glamor_es2_pixmap_read_prepare(pixmap, x, y, w, h, tex_format,
|
|
tex_type, no_alpha,
|
|
revert, swap_rb);
|
|
if (temp_fbo == NULL) {
|
|
x -= (drawable->x + x_off);
|
|
y -= (drawable->y + y_off);
|
|
goto fall_back;
|
|
}
|
|
x = 0;
|
|
y = 0;
|
|
}
|
|
|
|
dispatch = glamor_get_dispatch(glamor_priv);
|
|
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
|
|
int row_length = PixmapBytePad(w, drawable->depth);
|
|
row_length = (row_length * 8) / drawable->bitsPerPixel;
|
|
dispatch->glPixelStorei(GL_PACK_ALIGNMENT, 1);
|
|
dispatch->glPixelStorei(GL_PACK_ROW_LENGTH, row_length);
|
|
} else {
|
|
dispatch->glPixelStorei(GL_PACK_ALIGNMENT, 4);
|
|
}
|
|
|
|
if (glamor_priv->yInverted)
|
|
dispatch->glReadPixels(x,
|
|
y,
|
|
w, h,
|
|
tex_format,
|
|
tex_type, d);
|
|
else
|
|
dispatch->glReadPixels(x,
|
|
pixmap->drawable.height - 1 - y,
|
|
w,
|
|
h,
|
|
tex_format,
|
|
tex_type, d);
|
|
glamor_put_dispatch(glamor_priv);
|
|
if (temp_fbo)
|
|
glamor_destroy_fbo(temp_fbo);
|
|
ret = TRUE;
|
|
|
|
fall_back:
|
|
if (ret == FALSE)
|
|
miGetImage(drawable, x, y, w, h, format, planeMask, d);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
glamor_get_image(DrawablePtr pDrawable, int x, int y, int w, int h,
|
|
unsigned int format, unsigned long planeMask, char *d)
|
|
{
|
|
_glamor_get_image(pDrawable, x, y, w, h, format, planeMask, d, TRUE);
|
|
return;
|
|
}
|
|
|
|
Bool
|
|
glamor_get_image_nf(DrawablePtr pDrawable, int x, int y, int w, int h,
|
|
unsigned int format, unsigned long planeMask, char *d)
|
|
{
|
|
return _glamor_get_image(pDrawable, x, y, w,
|
|
h, format, planeMask, d, FALSE);
|
|
}
|