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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.
*/
#ifndef AMDGPU_PIXMAP_H
#define AMDGPU_PIXMAP_H
#include "amdgpu_drv.h"
struct amdgpu_pixmap {
uint_fast32_t gpu_read;
uint_fast32_t gpu_write;
uint64_t tiling_info;
struct amdgpu_buffer *bo;
struct drmmode_fb *fb;
Bool fb_failed;
/* GEM handle for pixmaps shared via DRI2/3 */
Bool handle_valid;
uint32_t handle;
};
extern DevPrivateKeyRec amdgpu_pixmap_index;
static inline struct amdgpu_pixmap *amdgpu_get_pixmap_private(PixmapPtr pixmap)
{
return dixGetPrivate(&pixmap->devPrivates, &amdgpu_pixmap_index);
}
static inline void amdgpu_set_pixmap_private(PixmapPtr pixmap,
struct amdgpu_pixmap *priv)
{
dixSetPrivate(&pixmap->devPrivates, &amdgpu_pixmap_index, priv);
}
static inline Bool amdgpu_set_pixmap_bo(PixmapPtr pPix, struct amdgpu_buffer *bo)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(pPix->drawable.pScreen);
AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn);
struct amdgpu_pixmap *priv;
priv = amdgpu_get_pixmap_private(pPix);
if (!priv && !bo)
return TRUE;
if (priv) {
if (priv->bo) {
if (priv->bo == bo)
return TRUE;
amdgpu_bo_unref(&priv->bo);
priv->handle_valid = FALSE;
}
drmmode_fb_reference(pAMDGPUEnt->fd, &priv->fb, NULL);
if (!bo) {
free(priv);
priv = NULL;
}
}
if (bo) {
if (!priv) {
priv = calloc(1, sizeof(struct amdgpu_pixmap));
if (!priv)
return FALSE;
}
amdgpu_bo_ref(bo);
priv->bo = bo;
}
amdgpu_set_pixmap_private(pPix, priv);
return TRUE;
}
static inline struct amdgpu_buffer *amdgpu_get_pixmap_bo(PixmapPtr pPix)
{
struct amdgpu_pixmap *priv;
priv = amdgpu_get_pixmap_private(pPix);
return priv ? priv->bo : NULL;
}
static inline struct drmmode_fb*
amdgpu_fb_create(ScrnInfoPtr scrn, int drm_fd, uint32_t width, uint32_t height,
uint32_t pitch, uint32_t handle)
{
struct drmmode_fb *fb = malloc(sizeof(*fb));
if (!fb)
return NULL;
fb->refcnt = 1;
if (drmModeAddFB(drm_fd, width, height, scrn->depth, scrn->bitsPerPixel,
pitch, handle, &fb->handle) == 0)
return fb;
free(fb);
return NULL;
}
static inline struct drmmode_fb**
amdgpu_pixmap_get_fb_ptr(PixmapPtr pix)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(pix->drawable.pScreen);
AMDGPUInfoPtr info = AMDGPUPTR(scrn);
if (info->use_glamor) {
struct amdgpu_pixmap *priv = amdgpu_get_pixmap_private(pix);
if (!priv)
return NULL;
return &priv->fb;
}
return NULL;
}
static inline struct drmmode_fb*
amdgpu_pixmap_get_fb(PixmapPtr pix)
{
struct drmmode_fb **fb_ptr = amdgpu_pixmap_get_fb_ptr(pix);
uint32_t handle;
if (fb_ptr && *fb_ptr)
return *fb_ptr;
if (amdgpu_pixmap_get_handle(pix, &handle)) {
ScrnInfoPtr scrn = xf86ScreenToScrn(pix->drawable.pScreen);
AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn);
if (!fb_ptr)
fb_ptr = amdgpu_pixmap_get_fb_ptr(pix);
*fb_ptr = amdgpu_fb_create(scrn, pAMDGPUEnt->fd,
pix->drawable.width,
pix->drawable.height, pix->devKind,
handle);
}
return fb_ptr ? *fb_ptr : NULL;
}
enum {
AMDGPU_CREATE_PIXMAP_DRI2 = 0x08000000,
AMDGPU_CREATE_PIXMAP_LINEAR = 0x04000000,
AMDGPU_CREATE_PIXMAP_SCANOUT = 0x02000000,
AMDGPU_CREATE_PIXMAP_GTT = 0x01000000,
};
extern Bool amdgpu_pixmap_init(ScreenPtr screen);
#endif /* AMDGPU_PIXMAP_H */
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