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-rw-r--r--src/mesa/main/formats.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 88a04e888e4..f689d99df8e 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -1057,11 +1057,12 @@ _mesa_format_image_size(gl_format format, GLsizei width,
const struct gl_format_info *info = _mesa_get_format_info(format);
/* Strictly speaking, a conditional isn't needed here */
if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format */
+ /* compressed format (2D only for now) */
const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
const GLuint wblocks = (width + bw - 1) / bw;
const GLuint hblocks = (height + bh - 1) / bh;
const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
+ assert(depth == 1);
return sz;
}
else {