gallium/u_blitter: implement blitting multisample resources

It can blit only one sample at a time (it should be called in a loop).

1 files changed, 17 insertions, 3 deletions

diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h
index 2d603e4ddf6..a1ece415f46 100644
--- a/src/gallium/auxiliary/util/u_inlines.h
+++ b/src/gallium/auxiliary/util/u_inlines.h
@@ -548,23 +548,37 @@ util_query_clear_result(union pipe_query_result *result, unsigned type)
 
 /** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */
 static INLINE unsigned
-util_pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target)
+util_pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target,
+                          unsigned nr_samples)
 {
    switch (pipe_tex_target) {
    case PIPE_TEXTURE_1D:
+      assert(nr_samples <= 1);
       return TGSI_TEXTURE_1D;
+
    case PIPE_TEXTURE_2D:
-      return TGSI_TEXTURE_2D;
+      return nr_samples > 1 ? TGSI_TEXTURE_2D_MSAA : TGSI_TEXTURE_2D;
+
    case PIPE_TEXTURE_RECT:
+      assert(nr_samples <= 1);
       return TGSI_TEXTURE_RECT;
+
    case PIPE_TEXTURE_3D:
+      assert(nr_samples <= 1);
       return TGSI_TEXTURE_3D;
+
    case PIPE_TEXTURE_CUBE:
+      assert(nr_samples <= 1);
       return TGSI_TEXTURE_CUBE;
+
    case PIPE_TEXTURE_1D_ARRAY:
+      assert(nr_samples <= 1);
       return TGSI_TEXTURE_1D_ARRAY;
+
    case PIPE_TEXTURE_2D_ARRAY:
-      return TGSI_TEXTURE_2D_ARRAY;
+      return nr_samples > 1 ? TGSI_TEXTURE_2D_ARRAY_MSAA :
+                              TGSI_TEXTURE_2D_ARRAY;
+
    default:
       assert(0 && "unexpected texture target");
       return TGSI_TEXTURE_UNKNOWN;