g3dvl: pipe_video_context interface, softpipe impl, auxiliary libs

1 files changed, 56 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 49b51afda7e..45289380d08 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -381,6 +381,59 @@ softpipe_transfer_unmap(struct pipe_screen *screen,
    }
 }
 
+static struct pipe_video_surface*
+softpipe_video_surface_create(struct pipe_screen *screen,
+                              enum pipe_video_chroma_format chroma_format,
+                              unsigned width, unsigned height)
+{
+   struct softpipe_video_surface *sp_vsfc;
+   struct pipe_texture template;
+
+   assert(screen);
+   assert(width && height);
+
+   sp_vsfc = CALLOC_STRUCT(softpipe_video_surface);
+   if (!sp_vsfc)
+      return NULL;
+
+   pipe_reference_init(&sp_vsfc->base.reference, 1);
+   sp_vsfc->base.screen = screen;
+   sp_vsfc->base.chroma_format = chroma_format;
+   /*sp_vsfc->base.surface_format = PIPE_VIDEO_SURFACE_FORMAT_VUYA;*/
+   sp_vsfc->base.width = width;
+   sp_vsfc->base.height = height;
+
+   memset(&template, 0, sizeof(struct pipe_texture));
+   template.target = PIPE_TEXTURE_2D;
+   template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
+   template.last_level = 0;
+   /* vl_mpeg12_mc_renderer expects this when it's initialized with pot_buffers=true */
+   template.width[0] = util_next_power_of_two(width);
+   template.height[0] = util_next_power_of_two(height);
+   template.depth[0] = 1;
+   pf_get_block(template.format, &template.block);
+   template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+   sp_vsfc->tex = screen->texture_create(screen, &template);
+   if (!sp_vsfc->tex)
+   {
+      FREE(sp_vsfc);
+      return NULL;
+   }
+
+   return &sp_vsfc->base;
+}
+
+
+static void
+softpipe_video_surface_destroy(struct pipe_video_surface *vsfc)
+{
+   struct softpipe_video_surface *sp_vsfc = softpipe_video_surface(vsfc);
+
+   pipe_texture_reference(&sp_vsfc->tex, NULL);
+   FREE(sp_vsfc);
+}
+
 
 void
 softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
@@ -396,6 +449,9 @@ softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
    screen->tex_transfer_destroy = softpipe_tex_transfer_destroy;
    screen->transfer_map = softpipe_transfer_map;
    screen->transfer_unmap = softpipe_transfer_unmap;
+
+   screen->video_surface_create = softpipe_video_surface_create;
+   screen->video_surface_destroy = softpipe_video_surface_destroy;
 }