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/* Copyright © 2014 Advanced Micro Devices, Inc.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <xf86.h>
#include "amdgpu_pixmap.h"
#include "amdgpu_bo_helper.h"
static PixmapPtr
amdgpu_pixmap_create(ScreenPtr screen, int w, int h, int depth, unsigned usage)
{
ScrnInfoPtr scrn;
struct amdgpu_pixmap *priv;
PixmapPtr pixmap;
AMDGPUInfoPtr info;
/* only DRI2 pixmap is supported */
if (!(usage & AMDGPU_CREATE_PIXMAP_DRI2))
return fbCreatePixmap(screen, w, h, depth, usage);
if (w > 32767 || h > 32767)
return NullPixmap;
if (depth == 1)
return fbCreatePixmap(screen, w, h, depth, usage);
pixmap = fbCreatePixmap(screen, 0, 0, depth, usage);
if (pixmap == NullPixmap)
return pixmap;
if (w && h) {
int stride;
priv = calloc(1, sizeof(struct amdgpu_pixmap));
if (!priv)
goto fallback_pixmap;
scrn = xf86ScreenToScrn(screen);
info = AMDGPUPTR(scrn);
if (!info->use_glamor)
usage |= AMDGPU_CREATE_PIXMAP_LINEAR;
priv->bo = amdgpu_alloc_pixmap_bo(scrn, w, h, depth, usage,
pixmap->drawable.bitsPerPixel,
&stride);
if (!priv->bo)
goto fallback_priv;
amdgpu_set_pixmap_private(pixmap, priv);
if (amdgpu_bo_map(scrn, priv->bo)) {
ErrorF("Failed to mmap the bo\n");
goto fallback_bo;
}
screen->ModifyPixmapHeader(pixmap, w, h, 0, 0, stride,
priv->bo->cpu_ptr);
}
return pixmap;
fallback_bo:
amdgpu_bo_unref(&priv->bo);
fallback_priv:
free(priv);
fallback_pixmap:
fbDestroyPixmap(pixmap);
return fbCreatePixmap(screen, w, h, depth, usage);
}
static Bool amdgpu_pixmap_destroy(PixmapPtr pixmap)
{
if (pixmap->refcnt == 1) {
amdgpu_set_pixmap_bo(pixmap, NULL);
}
fbDestroyPixmap(pixmap);
return TRUE;
}
/* This should only be called when glamor is disabled */
Bool amdgpu_pixmap_init(ScreenPtr screen)
{
if (!dixRegisterPrivateKey(&amdgpu_pixmap_index, PRIVATE_PIXMAP, 0))
return FALSE;
screen->CreatePixmap = amdgpu_pixmap_create;
screen->DestroyPixmap = amdgpu_pixmap_destroy;
return TRUE;
}
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