[Mesa-dev] [PATCH 5/6] st/vdpau: add new formats to OutputSurface rendering

[Grigori Goronzy]

OutputSurfaces have simple YCbCr rendering functionality built in,
but so far only 4:2:0 subsampling worked correctly. This fixes 4:2:2
and 4:4:4 formats.
---
 src/gallium/state_trackers/vdpau/output.c        |  2 +-
 src/gallium/state_trackers/vdpau/vdpau_private.h | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/gallium/state_trackers/vdpau/output.c b/src/gallium/state_trackers/vdpau/output.c
index dd72f6f..cf77b53 100644
--- a/src/gallium/state_trackers/vdpau/output.c
+++ b/src/gallium/state_trackers/vdpau/output.c
@@ -442,7 +442,7 @@ vlVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface,
    vlVdpResolveDelayedRendering(vlsurface->device, NULL, NULL);
    memset(&vtmpl, 0, sizeof(vtmpl));
    vtmpl.buffer_format = format;
-   vtmpl.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
+   vtmpl.chroma_format = FormatYCBCRToPipeChroma(source_ycbcr_format);
 
    if (destination_rect) {
       vtmpl.width = abs(destination_rect->x0-destination_rect->x1);
diff --git a/src/gallium/state_trackers/vdpau/vdpau_private.h b/src/gallium/state_trackers/vdpau/vdpau_private.h
index 0812767..bb91de1 100644
--- a/src/gallium/state_trackers/vdpau/vdpau_private.h
+++ b/src/gallium/state_trackers/vdpau/vdpau_private.h
@@ -89,6 +89,29 @@ PipeToChroma(enum pipe_video_chroma_format pipe_type)
    return -1;
 }
 
+static inline enum pipe_video_chroma_format
+FormatYCBCRToPipeChroma(VdpYCbCrFormat vdpau_format)
+{
+   switch (vdpau_format) {
+      case VDP_YCBCR_FORMAT_NV12:
+         return PIPE_VIDEO_CHROMA_FORMAT_420;
+      case VDP_YCBCR_FORMAT_YV12:
+         return PIPE_VIDEO_CHROMA_FORMAT_420;
+      case VDP_YCBCR_FORMAT_UYVY:
+         return PIPE_VIDEO_CHROMA_FORMAT_422;
+      case VDP_YCBCR_FORMAT_YUYV:
+         return PIPE_VIDEO_CHROMA_FORMAT_422;
+      case VDP_YCBCR_FORMAT_Y8U8V8A8:
+         return PIPE_VIDEO_CHROMA_FORMAT_444;
+      case VDP_YCBCR_FORMAT_V8U8Y8A8:
+         return PIPE_VIDEO_CHROMA_FORMAT_444;
+      default:
+         assert(0);
+   }
+
+   return PIPE_FORMAT_NONE;
+}
+
 static inline enum pipe_format
 FormatYCBCRToPipe(VdpYCbCrFormat vdpau_format)
 {
-- 
1.8.1.2