g3dvl: Rework the decoder interface part 2/5

Implement PIPE_CAP_NUM_BUFFERS_DESIRED giving the decoder control over
the number of buffers a state tracker should allocate.

Signed-off-by: Christian König <[email protected]>
Reviewed-by: Younes Manton <[email protected]>

5 files changed, 10 insertions, 0 deletions

diff --git a/src/gallium/drivers/nouveau/nouveau_video.c b/src/gallium/drivers/nouveau/nouveau_video.c
index 32f038dae61..620c030e112 100644
--- a/src/gallium/drivers/nouveau/nouveau_video.c
+++ b/src/gallium/drivers/nouveau/nouveau_video.c
@@ -18,6 +18,8 @@ nouveau_screen_get_video_param(struct pipe_screen *pscreen,
    case PIPE_VIDEO_CAP_MAX_WIDTH:
    case PIPE_VIDEO_CAP_MAX_HEIGHT:
       return vl_video_buffer_max_size(pscreen);
+   case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
+      return vl_num_buffers_desired(pscreen, profile);
    default:
       debug_printf("unknown video param: %d\n", param);
       return 0;
diff --git a/src/gallium/drivers/nvfx/nvfx_screen.c b/src/gallium/drivers/nvfx/nvfx_screen.c
index 0e8f96772c6..3b77c9600c6 100644
--- a/src/gallium/drivers/nvfx/nvfx_screen.c
+++ b/src/gallium/drivers/nvfx/nvfx_screen.c
@@ -226,6 +226,8 @@ nvfx_screen_get_video_param(struct pipe_screen *screen,
 	case PIPE_VIDEO_CAP_MAX_WIDTH:
 	case PIPE_VIDEO_CAP_MAX_HEIGHT:
 		return vl_video_buffer_max_size(screen);
+	case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
+		return vl_num_buffers_desired(screen, profile);
 	default:
 		return 0;
 	}
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 13d25ba7dba..8c0500c7dfd 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -313,6 +313,8 @@ static int r300_get_video_param(struct pipe_screen *screen,
       case PIPE_VIDEO_CAP_MAX_WIDTH:
       case PIPE_VIDEO_CAP_MAX_HEIGHT:
          return vl_video_buffer_max_size(screen);
+      case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
+         return vl_num_buffers_desired(screen, profile);
       default:
          return 0;
    }
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index d180e36aa16..ceaebbb4431 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -505,6 +505,8 @@ static int r600_get_video_param(struct pipe_screen *screen,
 	case PIPE_VIDEO_CAP_MAX_WIDTH:
 	case PIPE_VIDEO_CAP_MAX_HEIGHT:
 		return vl_video_buffer_max_size(screen);
+	case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
+		return vl_num_buffers_desired(screen, profile);
 	default:
 		return 0;
 	}
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 1e58d27be88..960ab8c96ae 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -185,6 +185,8 @@ softpipe_get_video_param(struct pipe_screen *screen,
    case PIPE_VIDEO_CAP_MAX_WIDTH:
    case PIPE_VIDEO_CAP_MAX_HEIGHT:
       return vl_video_buffer_max_size(screen);
+   case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
+      return vl_num_buffers_desired(screen, profile);
    default:
       return 0;
    }