From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Wed, 22 Feb 2017 12:07:47 +0000 (+0100)
Subject: st/va: Fix up YV12 to NV12 putImage conversion
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7b82efe4ee6b9a3453f87e301e93d3e403c8f5de;p=mesa.git

st/va: Fix up YV12 to NV12 putImage conversion

Use the utility u_copy_nv12_from_yv12 to implement this similarly to
how it's been done in the VPAU state tracker. The old code mixed up
planes and fields and didn't correctly handle video surfaces in
interlaced format.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
---

diff --git a/src/gallium/auxiliary/util/u_video.h b/src/gallium/auxiliary/util/u_video.h
index 7cd6268d1fc..251e144c792 100644
--- a/src/gallium/auxiliary/util/u_video.h
+++ b/src/gallium/auxiliary/util/u_video.h
@@ -172,43 +172,6 @@ u_copy_yv12_to_nv12(void *const *destination_data,
    }
 }
 
-static inline void
-u_copy_yv12_img_to_nv12_surf(ubyte *const *src,
-                             ubyte *dst,
-                             unsigned width,
-                             unsigned height,
-                             unsigned src_stride,
-                             unsigned dst_stride,
-                             int field)
-{
-   if (field == 0) {
-      ubyte *src_0 = src[field];
-      for (int i = 0; i < height ; i++) {
-         memcpy(dst, src_0, width);
-         dst += dst_stride;
-         src_0 += src_stride;
-      }
-   } else if (field == 1) {
-      const ubyte *src_1 = src[field];
-      const ubyte *src_2 = src[field+1];
-      bool odd = true;
-      for (unsigned i = 0; i < height ; i++) {
-         for (unsigned j = 0; j < width*2 ; j++) {
-            if (odd == false) {
-               dst[j] = src_1[j/2];
-               odd = true;
-            } else {
-               dst[j] = src_2[j/2];
-               odd = false;
-            }
-         }
-         dst += dst_stride;
-         src_1 += src_stride;
-         src_2 += src_stride;
-      }
-   }
-}
-
 static inline void
 u_copy_swap422_packed(void *const *destination_data,
                        uint32_t const *destination_pitches,
diff --git a/src/gallium/state_trackers/va/image.c b/src/gallium/state_trackers/va/image.c
index bd60d3eb1d8..47d31de2dbe 100644
--- a/src/gallium/state_trackers/va/image.c
+++ b/src/gallium/state_trackers/va/image.c
@@ -513,28 +513,36 @@ vlVaPutImage(VADriverContextP ctx, VASurfaceID surface, VAImageID image,
 
    for (i = 0; i < vaimage->num_planes; ++i) {
       unsigned width, height;
+      struct pipe_resource *tex;
+
       if (!views[i]) continue;
-      vlVaVideoSurfaceSize(surf, i, &width, &height);
-      if (((format == PIPE_FORMAT_YV12) || (format == PIPE_FORMAT_IYUV)) &&
-            (surf->buffer->buffer_format == PIPE_FORMAT_NV12)) {
-         struct pipe_transfer *transfer = NULL;
-         uint8_t *map = NULL;
-         struct pipe_box dst_box_1 = {0, 0, 0, width, height, 1};
-         map = drv->pipe->transfer_map(drv->pipe,
-                                       views[i]->texture,
-                                       0,
-                                       PIPE_TRANSFER_DISCARD_RANGE,
-                                       &dst_box_1, &transfer);
-         if (map == NULL)
-            return VA_STATUS_ERROR_OPERATION_FAILED;
+      tex = views[i]->texture;
 
-         u_copy_yv12_img_to_nv12_surf ((ubyte * const*)data, map, width, height,
-				       pitches[i], transfer->stride, i);
-         pipe_transfer_unmap(drv->pipe, transfer);
-      } else {
-         for (j = 0; j < views[i]->texture->array_size; ++j) {
-            struct pipe_box dst_box = {0, 0, j, width, height, 1};
-            drv->pipe->texture_subdata(drv->pipe, views[i]->texture, 0,
+      vlVaVideoSurfaceSize(surf, i, &width, &height);
+      for (j = 0; j < tex->array_size; ++j) {
+         struct pipe_box dst_box = {0, 0, j, width, height, 1};
+
+         if (((format == PIPE_FORMAT_YV12) || (format == PIPE_FORMAT_IYUV))
+             && (surf->buffer->buffer_format == PIPE_FORMAT_NV12)
+             && i == 1) {
+            struct pipe_transfer *transfer = NULL;
+            uint8_t *map = NULL;
+
+            map = drv->pipe->transfer_map(drv->pipe,
+                                          tex,
+                                          0,
+                                          PIPE_TRANSFER_WRITE |
+                                          PIPE_TRANSFER_DISCARD_RANGE,
+                                          &dst_box, &transfer);
+            if (map == NULL)
+               return VA_STATUS_ERROR_OPERATION_FAILED;
+
+            u_copy_nv12_from_yv12((const void * const*) data, pitches, i, j,
+                                  transfer->stride, tex->array_size,
+                                  map, dst_box.width, dst_box.height);
+            pipe_transfer_unmap(drv->pipe, transfer);
+         } else {
+            drv->pipe->texture_subdata(drv->pipe, tex, 0,
                                        PIPE_TRANSFER_WRITE, &dst_box,
                                        data[i] + pitches[i] * j,
                                        pitches[i] * views[i]->texture->array_size, 0);