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/*
* Copyright © 2001 Keith Packard
* Copyright © 2008 Intel Corporation
*
* 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:
* Eric Anholt <eric@anholt.net>
* Zhigang Gong <zhigang.gong@linux.intel.com>
*
*/
#include <stdlib.h>
#include "glamor_priv.h"
/**
* Sets the offsets to add to coordinates to make them address the same bits in
* the backing drawable. These coordinates are nonzero only for redirected
* windows.
*/
void
glamor_get_drawable_deltas(DrawablePtr drawable, PixmapPtr pixmap,
int *x, int *y)
{
#ifdef COMPOSITE
if (drawable->type == DRAWABLE_WINDOW) {
*x = -pixmap->screen_x;
*y = -pixmap->screen_y;
return;
}
#endif
*x = 0;
*y = 0;
}
void
glamor_pixmap_init(ScreenPtr screen)
{
}
void
glamor_pixmap_fini(ScreenPtr screen)
{
}
void
glamor_set_destination_pixmap_fbo(glamor_screen_private *glamor_priv,
glamor_pixmap_fbo *fbo, int x0, int y0,
int width, int height)
{
glamor_make_current(glamor_priv);
glBindFramebuffer(GL_FRAMEBUFFER, fbo->fb);
glViewport(x0, y0, width, height);
}
void
glamor_set_destination_pixmap_priv_nc(glamor_screen_private *glamor_priv,
PixmapPtr pixmap,
glamor_pixmap_private *pixmap_priv)
{
int w, h;
PIXMAP_PRIV_GET_ACTUAL_SIZE(pixmap, pixmap_priv, w, h);
glamor_set_destination_pixmap_fbo(glamor_priv, pixmap_priv->fbo, 0, 0, w, h);
}
int
glamor_set_destination_pixmap_priv(glamor_screen_private *glamor_priv,
PixmapPtr pixmap,
glamor_pixmap_private *pixmap_priv)
{
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
return -1;
glamor_set_destination_pixmap_priv_nc(glamor_priv, pixmap, pixmap_priv);
return 0;
}
int
glamor_set_destination_pixmap(PixmapPtr pixmap)
{
int err;
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
ScreenPtr screen = pixmap->drawable.pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
err = glamor_set_destination_pixmap_priv(glamor_priv, pixmap, pixmap_priv);
return err;
}
Bool
glamor_set_planemask(int depth, unsigned long planemask)
{
if (glamor_pm_is_solid(depth, planemask)) {
return GL_TRUE;
}
glamor_fallback("unsupported planemask %lx\n", planemask);
return GL_FALSE;
}
Bool
glamor_set_alu(ScreenPtr screen, unsigned char alu)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
if (glamor_priv->gl_flavor == GLAMOR_GL_ES2) {
if (alu != GXcopy)
return FALSE;
else
return TRUE;
}
if (alu == GXcopy) {
glDisable(GL_COLOR_LOGIC_OP);
return TRUE;
}
glEnable(GL_COLOR_LOGIC_OP);
switch (alu) {
case GXclear:
glLogicOp(GL_CLEAR);
break;
case GXand:
glLogicOp(GL_AND);
break;
case GXandReverse:
glLogicOp(GL_AND_REVERSE);
break;
case GXandInverted:
glLogicOp(GL_AND_INVERTED);
break;
case GXnoop:
glLogicOp(GL_NOOP);
break;
case GXxor:
glLogicOp(GL_XOR);
break;
case GXor:
glLogicOp(GL_OR);
break;
case GXnor:
glLogicOp(GL_NOR);
break;
case GXequiv:
glLogicOp(GL_EQUIV);
break;
case GXinvert:
glLogicOp(GL_INVERT);
break;
case GXorReverse:
glLogicOp(GL_OR_REVERSE);
break;
case GXcopyInverted:
glLogicOp(GL_COPY_INVERTED);
break;
case GXorInverted:
glLogicOp(GL_OR_INVERTED);
break;
case GXnand:
glLogicOp(GL_NAND);
break;
case GXset:
glLogicOp(GL_SET);
break;
default:
glamor_fallback("unsupported alu %x\n", alu);
return FALSE;
}
return TRUE;
}
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