From 8d0808214a75bbb254185b0293c8dd48aa5c4df7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Sun, 26 Feb 2012 15:00:00 +0100 Subject: [PATCH] st/vdpau: implement VideoSurfaceGetBitsYCbCr MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Christian König --- src/gallium/state_trackers/vdpau/surface.c | 61 +++++++++++++++++++--- 1 file 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; } /** -- 2.30.2