r300g: add a way to change texture properties arbitrarily

So that we can implement resource_copy on arbitrary data.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_transfer.c b/src/gallium/drivers/r300/r300_transfer.c
index 7265fa733e..f2b6b45ef1 100644
--- a/src/gallium/drivers/r300/r300_transfer.c
+++ b/src/gallium/drivers/r300/r300_transfer.c
@@ -116,6 +116,11 @@ r300_texture_get_transfer(struct pipe_context *ctx,
          * Also make write transfers pipelined. */
         if (tex->tex.microtile || tex->tex.macrotile[level] ||
             ((referenced_hw & !(usage & PIPE_TRANSFER_READ)) && blittable)) {
+            if (r300->blitter->running) {
+                fprintf(stderr, "r300: ERROR: Blitter recursion in texture_get_transfer.\n");
+                os_break();
+            }
+
             base.target = PIPE_TEXTURE_2D;
             base.format = texture->format;
             base.width0 = box->width;