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authorChristian König <[email protected]>2012-02-26 15:00:00 +0100
committerChristian König <[email protected]>2012-03-02 13:38:12 +0100
commit8d0808214a75bbb254185b0293c8dd48aa5c4df7 (patch)
treecfe6a4644de913551ede940394e29e7bc0a9ada4 /src
parent222600972c60ce987b63c6422f26b9b8da95f1b0 (diff)
st/vdpau: implement VideoSurfaceGetBitsYCbCr
Signed-off-by: Christian König <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/vdpau/surface.c61
1 files changed, 53 insertions, 8 deletions
diff --git a/src/gallium/state_trackers/vdpau/surface.c b/src/gallium/state_trackers/vdpau/surface.c
index 04832426a10..5ed5c9d88a5 100644
--- a/src/gallium/state_trackers/vdpau/surface.c
+++ b/src/gallium/state_trackers/vdpau/surface.c
@@ -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;
+
+ 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;
- //return VDP_STATUS_OK;
- return VDP_STATUS_NO_IMPLEMENTATION;
+ 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;
}
/**