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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_CONFIG_H
#include "config.h"
#endif
#include <xf86.h>
#define GLAMOR_FOR_XORG 1
#include <glamor.h>
#include "intel.h"
#include "intel_glamor.h"
#include "uxa.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_USE_GLAMOR))
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)
{
intel_screen_private *intel;
intel = intel_get_screen_private(scrn);
/* Load glamor module */
if (xf86LoadSubModule(scrn, "glamor_egl") &&
glamor_egl_init(scrn, intel->drmSubFD)) {
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"glamor detected, initialising\n");
intel->uxa_flags |= UXA_USE_GLAMOR;
} else {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"glamor not available\n");
intel->uxa_flags &= ~UXA_USE_GLAMOR;
}
return TRUE;
}
PixmapPtr
intel_glamor_create_pixmap(ScreenPtr screen, int w, int h,
int depth, unsigned int usage)
{
return glamor_create_pixmap(screen, w, h, depth, usage);
}
Bool
intel_glamor_create_textured_pixmap(PixmapPtr pixmap)
{
ScrnInfoPtr scrn = xf86Screens[pixmap->drawable.pScreen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
struct intel_pixmap *priv;
if ((intel->uxa_flags & UXA_USE_GLAMOR) == 0)
return TRUE;
priv = intel_get_pixmap_private(pixmap);
if (glamor_egl_create_textured_pixmap(pixmap, priv->bo->handle,
priv->stride)) {
priv->pinned = 1;
return TRUE;
} else
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_USE_GLAMOR)
glamor_egl_destroy_textured_pixmap(pixmap);
}
static void
intel_glamor_need_flush(DrawablePtr pDrawable)
{
ScrnInfoPtr scrn = xf86Screens[pDrawable->pScreen->myNum];
intel_screen_private * intel;
intel = intel_get_screen_private(scrn);
intel->needs_flush = TRUE;
}
static void
intel_glamor_finish_access(PixmapPtr pixmap, uxa_access_t access)
{
switch(access) {
case UXA_ACCESS_RO:
case UXA_ACCESS_RW:
case UXA_GLAMOR_ACCESS_RO:
break;
case UXA_GLAMOR_ACCESS_RW:
intel_glamor_need_flush(&pixmap->drawable);
break;
default:
ErrorF("Invalid access mode %d\n", access);
}
return;
}
Bool
intel_glamor_init(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
if ((intel->uxa_flags & UXA_USE_GLAMOR) == 0)
return TRUE;
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->uxa_driver->flags |= UXA_USE_GLAMOR;
intel->uxa_flags = intel->uxa_driver->flags;
intel->uxa_driver->finish_access = intel_glamor_finish_access;
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Use GLAMOR acceleration.\n");
return TRUE;
fail:
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"Use standard UXA acceleration.");
return FALSE;
}
void
intel_glamor_flush(intel_screen_private * intel)
{
ScreenPtr screen;
screen = screenInfo.screens[intel->scrn->scrnIndex];
if (intel->uxa_flags & UXA_USE_GLAMOR)
glamor_block_handler(screen);
}
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_USE_GLAMOR))
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_USE_GLAMOR))
glamor_egl_free_screen(scrnIndex, GLAMOR_EGL_EXTERNAL_BUFFER);
}
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