struct kgem_bo *
sna_video_buffer(struct sna_video *video,
struct sna_video_frame *frame)
{
/* Free the current buffer if we're going to have to reallocate */
if (video->buf && __kgem_bo_size(video->buf) < frame->size)
sna_video_free_buffers(video);
if (video->buf && video->buf->scanout) {
if (frame->width != video->width ||
frame->height != video->height ||
frame->id != video->format)
sna_video_free_buffers(video);
}
if (video->buf == NULL) {
if (video->tiled) {
video->buf = kgem_create_2d(&video->sna->kgem,
frame->width, frame->height, 32,
I915_TILING_X, CREATE_EXACT);
} else {
video->buf = kgem_create_linear(&video->sna->kgem, frame->size,
CREATE_GTT_MAP);
}
}
video->width = frame->width;
video->height = frame->height;
video->format = frame->id;
return video->buf;
}
struct kgem_bo *
sna_video_buffer(struct sna *sna,
struct sna_video *video,
struct sna_video_frame *frame)
{
/* Free the current buffer if we're going to have to reallocate */
if (video->buf && __kgem_bo_size(video->buf) < frame->size)
sna_video_free_buffers(sna, video);
if (video->buf == NULL)
video->buf = kgem_create_linear(&sna->kgem, frame->size,
CREATE_GTT_MAP);
return video->buf;
}
struct kgem_bo *
sna_video_buffer(struct sna *sna,
struct sna_video *video,
struct sna_video_frame *frame)
{
/* Free the current buffer if we're going to have to reallocate */
if (video->buf && __kgem_bo_size(video->buf) < frame->size)
sna_video_free_buffers(sna, video);
if (video->buf == NULL) {
if (video->tiled) {
video->buf = kgem_create_2d(&sna->kgem,
frame->width, frame->height, 32,
I915_TILING_X, CREATE_EXACT);
} else {
video->buf = kgem_create_linear(&sna->kgem, frame->size,
CREATE_GTT_MAP);
}
}
return video->buf;
}
static bool download_inplace__cpu(struct kgem *kgem,
PixmapPtr p, struct kgem_bo *bo,
const BoxRec *box, int nbox)
{
BoxRec extents;
switch (bo->tiling) {
case I915_TILING_X:
if (!kgem->memcpy_from_tiled_x)
return false;
case I915_TILING_NONE:
break;
default:
return false;
}
if (!kgem_bo_can_map__cpu(kgem, bo, false))
return false;
if (kgem->has_llc)
return true;
extents = *box;
while (--nbox) {
++box;
if (box->x1 < extents.x1)
extents.x1 = box->x1;
if (box->x2 > extents.x2)
extents.x2 = box->x2;
extents.y2 = box->y2;
}
if (extents.x2 - extents.x1 == p->drawable.width &&
extents.y2 - extents.y1 == p->drawable.height)
return true;
return __kgem_bo_size(bo) <= PAGE_SIZE;
}
