st/vdpau: implement VideoSurfaceGetBitsYCbCr

Signed-off-by: Christian König <deathsimple@vodafone.de>
This commit is contained in:
Christian König 2012-02-26 15:00:00 +01:00
parent 222600972c
commit 8d0808214a

View file

@ -168,18 +168,63 @@ vlVdpVideoSurfaceGetBitsYCbCr(VdpVideoSurface surface,
void *const *destination_data,
uint32_t const *destination_pitches)
{
if (!vlCreateHTAB())
return VDP_STATUS_RESOURCES;
vlVdpSurface *vlsurface;
struct pipe_context *pipe;
enum pipe_format format;
struct pipe_sampler_view **sampler_views;
unsigned i, j;
vlVdpSurface *p_surf = vlGetDataHTAB(surface);
if (!p_surf)
vlsurface = vlGetDataHTAB(surface);
if (!vlsurface)
return VDP_STATUS_INVALID_HANDLE;
//if (!p_surf->psurface)
// return VDP_STATUS_RESOURCES;
pipe = vlsurface->device->context;
if (!pipe)
return VDP_STATUS_INVALID_HANDLE;
//return VDP_STATUS_OK;
return VDP_STATUS_NO_IMPLEMENTATION;
format = FormatYCBCRToPipe(destination_ycbcr_format);
if (format == PIPE_FORMAT_NONE)
return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
if (vlsurface->video_buffer == NULL || format != vlsurface->video_buffer->buffer_format)
return VDP_STATUS_NO_IMPLEMENTATION; /* TODO We don't support conversion (yet) */
sampler_views = vlsurface->video_buffer->get_sampler_view_planes(vlsurface->video_buffer);
if (!sampler_views)
return VDP_STATUS_RESOURCES;
for (i = 0; i < 3; ++i) {
struct pipe_sampler_view *sv = sampler_views[i];
if (!sv) continue;
for (j = 0; j < sv->texture->depth0; ++j) {
struct pipe_box box = {
0, 0, j,
sv->texture->width0, sv->texture->height0, 1
};
struct pipe_transfer *transfer;
uint8_t *map;
transfer = pipe->get_transfer(pipe, sv->texture, 0, PIPE_TRANSFER_READ, &box);
if (transfer == NULL)
return VDP_STATUS_RESOURCES;
map = pipe_transfer_map(pipe, transfer);
if (map == NULL) {
pipe_transfer_destroy(pipe, transfer);
return VDP_STATUS_RESOURCES;
}
util_copy_rect(destination_data[i] + destination_pitches[i] * j, sv->texture->format,
destination_pitches[i] * sv->texture->depth0, 0, 0,
box.width, box.height, map, transfer->stride, 0, 0);
pipe_transfer_unmap(pipe, transfer);
pipe_transfer_destroy(pipe, transfer);
}
}
return VDP_STATUS_OK;
}
/**