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/*
* Copyright © 2011 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:
* Zhigang Gong <zhigang.gong@linux.intel.com>
*
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <xf86drm.h>
#define GLAMOR_FOR_XORG 1
#include <glamor.h>
#include "intel.h"
#include "intel_glamor.h"
Bool
intel_glamor_create_screen_resources(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
if (!(intel->uxa_flags & UXA_GLAMOR_FLAGS))
return TRUE;
if (!glamor_glyphs_init(screen))
return FALSE;
if (!glamor_egl_create_textured_screen(screen,
intel->front_buffer->handle,
intel->front_pitch))
return FALSE;
return TRUE;
}
Bool
intel_glamor_pre_init(ScrnInfoPtr scrn)
{
#ifdef GLAMOR
intel_screen_private *intel;
intel = intel_get_screen_private(scrn);
/* Load glamor module */
if (!xf86LoadSubModule(scrn, "glamor_egl"))
return FALSE;
return glamor_egl_init(scrn, intel->drmSubFD);
#else
return TRUE;
#endif
}
Bool
intel_glamor_create_textured_pixmap(PixmapPtr pixmap)
{
struct intel_pixmap *priv;
ScrnInfoPtr scrn = xf86Screens[pixmap->drawable.pScreen->myNum];
intel_screen_private * intel;
priv = intel_get_pixmap_private(pixmap);
intel = intel_get_screen_private(scrn);
if ((intel->uxa_flags & UXA_GLAMOR_FLAGS)
&& glamor_egl_create_textured_pixmap(pixmap, priv->bo->handle,
priv->stride)) {
priv->pinned = 1;
return TRUE;
}
return FALSE;
}
void
intel_glamor_destroy_pixmap(PixmapPtr pixmap)
{
ScrnInfoPtr scrn = xf86Screens[pixmap->drawable.pScreen->myNum];
intel_screen_private * intel;
intel = intel_get_screen_private(scrn);
if (intel->uxa_flags & UXA_GLAMOR_FLAGS)
glamor_egl_destroy_textured_pixmap(pixmap);
}
Bool
intel_glamor_init(ScreenPtr screen)
{
#ifdef GLAMOR
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
intel_screen_private * intel;
if (!glamor_init(screen, GLAMOR_INVERTED_Y_AXIS)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to initialize glamor\n");
goto fail;
}
if (!glamor_egl_init_textured_pixmap(screen)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to initialize textured pixmap.\n");
goto fail;
}
intel = intel_get_screen_private(scrn);
intel->uxa_driver->flags |= UXA_USE_GLAMOR;
intel->uxa_flags = intel->uxa_driver->flags;
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Use GLAMOR acceleration.\n");
return TRUE;
fail:
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"Use standard UXA acceleration.");
return FALSE;
#else
return TRUE;
#endif
}
void
intel_glamor_block_handler(intel_screen_private * intel)
{
ScreenPtr screen = screenInfo.screens[intel->scrn->scrnIndex];
if (intel->uxa_flags & UXA_GLAMOR_FLAGS)
glamor_block_handler(screen);
}
Bool
intel_glamor_create_screen_image(ScreenPtr screen, int handle, int stride)
{
PixmapPtr pixmap;
if (!glamor_egl_create_textured_screen(screen, handle, stride))
return FALSE;
pixmap = screen->GetScreenPixmap(screen);
return TRUE;
}
Bool
intel_glamor_close_screen(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
intel_screen_private * intel;
intel = intel_get_screen_private(scrn);
if (intel && (intel->uxa_flags & UXA_GLAMOR_FLAGS))
return glamor_egl_close_screen(screen);
return TRUE;
}
void
intel_glamor_free_screen(int scrnIndex, int flags)
{
ScrnInfoPtr scrn = xf86Screens[scrnIndex];
intel_screen_private * intel;
intel = intel_get_screen_private(scrn);
if (intel && (intel->uxa_flags & UXA_GLAMOR_FLAGS))
glamor_egl_free_screen(scrnIndex, GLAMOR_EGL_EXTERNAL_BUFFER);
}
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