st/vdpau: move common functions to util

Break out these functions so that they can be shared with a other
state trackers.  They will be used in subsequent patches for the new
VA-API state tracker.

Signed-off-by: Leo Liu <[email protected]>

1 files changed, 4 insertions, 77 deletions

diff --git a/src/gallium/state_trackers/vdpau/surface.c b/src/gallium/state_trackers/vdpau/surface.c
index 1932cdd1066..55d0d76d16d 100644
--- a/src/gallium/state_trackers/vdpau/surface.c
+++ b/src/gallium/state_trackers/vdpau/surface.c
@@ -34,6 +34,7 @@
 #include "util/u_debug.h"
 #include "util/u_rect.h"
 #include "util/u_surface.h"
+#include "util/u_video.h"
 #include "vl/vl_defines.h"
 
 #include "vdpau_private.h"
@@ -194,80 +195,6 @@ vlVdpVideoSurfaceSize(vlVdpSurface *p_surf, int component,
       *height /= 2;
 }
 
-static void
-vlVdpCopyNV12ToYV12(void *const *destination_data,
-                    uint32_t const *destination_pitches,
-                    int src_plane, int src_field,
-                    int src_stride, int num_fields,
-                    uint8_t const *src,
-                    int width, int height)
-{
-   int x, y;
-   unsigned u_stride = destination_pitches[2] * num_fields;
-   unsigned v_stride = destination_pitches[1] * num_fields;
-   uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
-   uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
-
-   /* TODO: SIMD */
-   for (y = 0; y < height; y++) {
-      for (x = 0; x < width; x++) {
-         u_dst[x] = src[2*x];
-         v_dst[x] = src[2*x+1];
-      }
-      u_dst += u_stride;
-      v_dst += v_stride;
-      src += src_stride;
-   }
-}
-
-static void
-vlVdpCopyYV12ToNV12(void *const *destination_data,
-                    uint32_t const *destination_pitches,
-                    int src_plane, int src_field,
-                    int src_stride, int num_fields,
-                    uint8_t const *src,
-                    int width, int height)
-{
-   int x, y;
-   unsigned offset = 2 - src_plane;
-   unsigned stride = destination_pitches[1] * num_fields;
-   uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
-
-   /* TODO: SIMD */
-   for (y = 0; y < height; y++) {
-      for (x = 0; x < 2 * width; x += 2) {
-         dst[x+offset] = src[x>>1];
-      }
-      dst += stride;
-      src += src_stride;
-   }
-}
-
-static void
-vlVdpCopySwap422Packed(void *const *destination_data,
-                       uint32_t const *destination_pitches,
-                       int src_plane, int src_field,
-                       int src_stride, int num_fields,
-                       uint8_t const *src,
-                       int width, int height)
-{
-   int x, y;
-   unsigned stride = destination_pitches[0] * num_fields;
-   uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
-
-   /* TODO: SIMD */
-   for (y = 0; y < height; y++) {
-      for (x = 0; x < 4 * width; x += 4) {
-         dst[x+0] = src[x+1];
-         dst[x+1] = src[x+0];
-         dst[x+2] = src[x+3];
-         dst[x+3] = src[x+2];
-      }
-      dst += stride;
-      src += src_stride;
-   }
-}
-
 /**
  * Copy image data from a VdpVideoSurface to application memory in a specified
  * YCbCr format.
@@ -343,15 +270,15 @@ vlVdpVideoSurfaceGetBitsYCbCr(VdpVideoSurface surface,
          }
 
          if (conversion == CONVERSION_NV12_TO_YV12 && i == 1) {
-            vlVdpCopyNV12ToYV12(destination_data, destination_pitches,
+            u_copy_nv12_to_yv12(destination_data, destination_pitches,
                                 i, j, transfer->stride, sv->texture->array_size,
                                 map, box.width, box.height);
          } else if (conversion == CONVERSION_YV12_TO_NV12 && i > 0) {
-            vlVdpCopyYV12ToNV12(destination_data, destination_pitches,
+            u_copy_yv12_to_nv12(destination_data, destination_pitches,
                                 i, j, transfer->stride, sv->texture->array_size,
                                 map, box.width, box.height);
          } else if (conversion == CONVERSION_SWAP_YUYV_UYVY) {
-            vlVdpCopySwap422Packed(destination_data, destination_pitches,
+            u_copy_swap422_packed(destination_data, destination_pitches,
                                    i, j, transfer->stride, sv->texture->array_size,
                                    map, box.width, box.height);
          } else {