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st/mesa: fix incorrect RowStride computation

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Fixes incorrect stride when getting a compressed tex image.
This commit is contained in:
Brian Paul 2010-04-28 10:06:05 -06:00
parent 56f99ee640
commit 7b640f9f70
1 changed files with 4 additions and 1 deletions
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5
src/mesa/state_tracker/st_cb_texture.c
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@ -931,7 +931,10 @@ st_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
PIPE_TRANSFER_READ, 0, 0,
stImage->base.Width,
stImage->base.Height);
texImage->RowStride = stImage->transfer->stride / util_format_get_blocksize(stImage->pt->format);
/* compute stride in texels from stride in bytes */
texImage->RowStride = stImage->transfer->stride
* util_format_get_blockwidth(stImage->pt->format)
/ util_format_get_blocksize(stImage->pt->format);
}
else {
/* Otherwise, the image should actually be stored in