st/mesa: don't lower YUV when driver supports it natively

[mesa.git] / src / gallium / state_trackers / dri / dri2.c

diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 54a05c916f1ce4b6ce21a262f5dd6133e4970815..e6f0e40465a234d7bde9933b400b2e8d3964df12 100644 (file)
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -738,7 +738,7 @@ dri2_create_image_from_winsys(__DRIscreen *_screen,
    struct pipe_resource templ;
    unsigned tex_usage = 0;
    int i;
-   bool is_yuv = util_format_is_yuv(map->pipe_format);
+   bool use_lowered = false;
 
    if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0,
                                     PIPE_BIND_RENDER_TARGET))
@@ -747,13 +747,14 @@ dri2_create_image_from_winsys(__DRIscreen *_screen,
                                     PIPE_BIND_SAMPLER_VIEW))
       tex_usage |= PIPE_BIND_SAMPLER_VIEW;
 
-   if (!tex_usage && is_yuv) {
+   if (!tex_usage && util_format_is_yuv(map->pipe_format)) {
       /* YUV format sampling can be emulated by the Mesa state tracker by
        * using multiple samplers of varying formats.
        * If no tex_usage is set and we detect a YUV format,
        * test for support of the first plane's sampler format and
        * add sampler view usage.
        */
+      use_lowered = true;
       if (pscreen->is_format_supported(pscreen,
                                        dri2_get_pipe_format_for_dri_format(map->planes[0].dri_format),
                                        screen->target, 0, 0,
@@ -775,19 +776,20 @@ dri2_create_image_from_winsys(__DRIscreen *_screen,
    templ.depth0 = 1;
    templ.array_size = 1;
 
-   for (i = num_handles - 1; i >= 0; i--) {
+   for (i = (use_lowered ? map->nplanes : num_handles) - 1; i >= 0; i--) {
       struct pipe_resource *tex;
 
       templ.width0 = width >> map->planes[i].width_shift;
       templ.height0 = height >> map->planes[i].height_shift;
-      if (is_yuv)
+      if (use_lowered)
          templ.format = dri2_get_pipe_format_for_dri_format(map->planes[i].dri_format);
       else
          templ.format = map->pipe_format;
       assert(templ.format != PIPE_FORMAT_NONE);
 
       tex = pscreen->resource_from_handle(pscreen,
-            &templ, &whandle[i], PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
+               &templ, &whandle[use_lowered ? map->planes[i].buffer_index : i],
+               PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
       if (!tex) {
          pipe_resource_reference(&img->texture, NULL);
          FREE(img);
@@ -911,25 +913,23 @@ dri2_create_image_from_fd(__DRIscreen *_screen,
 
    memset(whandles, 0, sizeof(whandles));
 
-   for (i = 0; i < num_handles; i++) {
-      int fdnum = i >= num_fds ? 0 : i;
-      int index = i >= map->nplanes ? i : map->planes[i].buffer_index;
-      if (fds[fdnum] < 0) {
+   for (i = 0; i < num_fds; i++) {
+      if (fds[i] < 0) {
          err = __DRI_IMAGE_ERROR_BAD_ALLOC;
          goto exit;
       }
 
       whandles[i].type = WINSYS_HANDLE_TYPE_FD;
-      whandles[i].handle = (unsigned)fds[fdnum];
-      whandles[i].stride = (unsigned)strides[index];
-      whandles[i].offset = (unsigned)offsets[index];
+      whandles[i].handle = (unsigned)fds[i];
+      whandles[i].stride = (unsigned)strides[i];
+      whandles[i].offset = (unsigned)offsets[i];
       whandles[i].format = map->pipe_format;
       whandles[i].modifier = modifier;
-      whandles[i].plane = index;
+      whandles[i].plane = i;
    }
 
    img = dri2_create_image_from_winsys(_screen, width, height, map,
-                                       num_handles, whandles, loaderPrivate);
+                                       num_fds, whandles, loaderPrivate);
    if(img == NULL) {
       err = __DRI_IMAGE_ERROR_BAD_ALLOC;
       goto exit;