[g3dvl] remove PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT

It wasn't fully implemented anyway.

src/gallium/auxiliary/vl/vl_mpeg12_context.c

@@ -256,17 +256,11 @@ vl_mpeg12_get_param(struct pipe_video_context *vpipe, int param)
 
    assert(vpipe);
 
-   switch (param) {
-      case PIPE_CAP_NPOT_TEXTURES:
-         return !ctx->pot_buffers;
-      case PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT:
-         return ctx->decode_format;
-      default:
-      {
-         debug_printf("vl_mpeg12_context: Unknown PIPE_CAP %d\n", param);
-         return 0;
-      }
-   }
+   if (param == PIPE_CAP_NPOT_TEXTURES)
+      return !ctx->pot_buffers;
+
+   debug_printf("vl_mpeg12_context: Unknown PIPE_CAP %d\n", param);
+   return 0;
 }
 
 static struct pipe_surface *
@@ -654,8 +648,7 @@ vl_create_mpeg12_context(struct pipe_context *pipe,
                          enum pipe_video_profile profile,
                          enum pipe_video_chroma_format chroma_format,
                          unsigned width, unsigned height,
-                         bool pot_buffers,
-                         enum pipe_format decode_format)
+                         bool pot_buffers)
 {
    struct vl_mpeg12_context *ctx;
 
@@ -686,7 +679,6 @@ vl_create_mpeg12_context(struct pipe_context *pipe,
    ctx->base.set_csc_matrix = vl_mpeg12_set_csc_matrix;
 
    ctx->pipe = pipe;
-   ctx->decode_format = decode_format;
    ctx->pot_buffers = pot_buffers;
 
    ctx->quads = vl_vb_upload_quads(ctx->pipe, 2, 2);

src/gallium/auxiliary/vl/vl_mpeg12_context.h

@@ -41,7 +41,6 @@ struct vl_mpeg12_context
 {
    struct pipe_video_context base;
    struct pipe_context *pipe;
-   enum pipe_format decode_format;
    bool pot_buffers;
    unsigned buffer_width, buffer_height;
 
@@ -89,7 +88,6 @@ vl_create_mpeg12_context(struct pipe_context *pipe,
                          enum pipe_video_profile profile,
                          enum pipe_video_chroma_format chroma_format,
                          unsigned width, unsigned height,
-                         bool pot_buffers,
-                         enum pipe_format decode_format);
+                         bool pot_buffers);
 
 #endif /* VL_MPEG12_CONTEXT_H */

src/gallium/drivers/nv40/nv40_video_context.c

@@ -47,8 +47,7 @@ nv40_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
          return vl_create_mpeg12_context(pipe, profile,
                                          chroma_format,
                                          width, height,
-                                         true,
-                                         PIPE_FORMAT_XYUV);
+                                         true);
       default:
          return NULL;
    }

src/gallium/drivers/nvfx/nvfx_video_context.c

@@ -47,8 +47,7 @@ nvfx_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
          return vl_create_mpeg12_context(pipe, profile,
                                          chroma_format,
                                          width, height,
-                                         true,
-                                         PIPE_FORMAT_XYUV);
+                                         true);
       default:
          return NULL;
    }

src/gallium/drivers/r600/r600_video_context.c

@@ -47,8 +47,7 @@ r600_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
          return vl_create_mpeg12_context(pipe, profile,
                                          chroma_format,
                                          width, height,
-                                         false,
-                                         PIPE_FORMAT_XYUV);
+                                         false);
       default:
          return NULL;
    }

src/gallium/drivers/softpipe/sp_screen.c

@@ -307,8 +307,7 @@ sp_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
          return vl_create_mpeg12_context(pipe, profile,
                                          chroma_format,
                                          width, height,
-                                         true,
-                                         PIPE_FORMAT_XYUV);
+                                         true);
       default:
          return NULL;
    }

src/gallium/include/pipe/p_video_context.h

@@ -34,9 +34,6 @@ extern "C" {
 
 #include <pipe/p_video_state.h>
 
-/* XXX: Move to an appropriate place */
-#define PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT 256
-
 struct pipe_screen;
 struct pipe_buffer;
 struct pipe_surface;