I really had to stare at this for a long time. Hopefully someone else
can look at it too. Either way, this patch is
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
On 06/01/2014 11:29 PM, Chris Forbes wrote:
> Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
> ---
> src/mesa/main/texstore.c | 35 +++++++++++++++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
> index b5b7254..cb81f3f 100644
> --- a/src/mesa/main/texstore.c
> +++ b/src/mesa/main/texstore.c
> @@ -4212,6 +4212,41 @@ _mesa_compute_compressed_pixelstore(GLuint dims,
> struct gl_texture_image *texIma
> store->TotalRowsPerSlice = store->CopyRowsPerSlice =
> (height + bh - 1) / bh;
> store->CopySlices = depth;
> +
> + if (packing->CompressedBlockWidth &&
> + packing->CompressedBlockSize) {
> +
> + bw = packing->CompressedBlockWidth;
> +
> + if (packing->RowLength) {
> + store->TotalBytesPerRow = packing->CompressedBlockSize *
> + (packing->RowLength + bw - 1) / bw;
> + }
> +
> + store->SkipBytes += packing->SkipPixels * packing->CompressedBlockSize
> / bw;
> + }
> +
> + if (dims > 1 && packing->CompressedBlockHeight &&
> + packing->CompressedBlockSize) {
> +
> + bh = packing->CompressedBlockHeight;
> +
> + store->SkipBytes += packing->SkipRows * store->TotalBytesPerRow / bh;
> + store->CopyRowsPerSlice = (height + bh - 1) / bh; /* rows in blocks */
> +
> + if (packing->ImageHeight) {
> + store->TotalRowsPerSlice = (packing->ImageHeight + bh - 1) / bh;
> + }
> + }
> +
> + if (dims > 2 && packing->CompressedBlockDepth &&
> + packing->CompressedBlockSize) {
> +
> + int bd = packing->CompressedBlockDepth;
> +
> + store->SkipBytes += packing->SkipImages * store->TotalBytesPerRow *
> + store->TotalRowsPerSlice / bd;
> + }
> }
>
>
>
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