On 06/22/2016 09:39 AM, Nicolai Hähnle wrote:
From: Nicolai Hähnle <[email protected]>

Fixes an error introduced in commit 3948cd37973696dc319170877382676809659465.

Reported-by: Marek Olšák <[email protected]>
---
  src/mesa/state_tracker/st_cb_readpixels.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/state_tracker/st_cb_readpixels.c 
b/src/mesa/state_tracker/st_cb_readpixels.c
index 77c6332..99d9cd5 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -520,7 +520,7 @@ st_ReadPixels(struct gl_context *ctx, GLint x, GLint y,
     /* memcpy data into a user buffer */
     {
        const uint bytesPerRow = width * util_format_get_blocksize(dst_format);
-      const uint destStride = _mesa_image_row_stride(pack, width, format, 
type);
+      const int destStride = _mesa_image_row_stride(pack, width, format, type);
        char *dest = _mesa_image_address2d(pack, pixels,
                                           width, height, format,
                                           type, 0, 0);


Reviewed-by: Brian Paul <[email protected]>

Yeah, strides should usually be signed because of this situation.

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