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st/mesa: fix incorrect src/dst stride params to _mesa_generate_mipmap_level()

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The stride needs to be in texels, not bytes.
This commit is contained in:
Brian Paul 2009-05-18 10:28:04 -06:00
parent adabd0e81e
commit 7ce105d2e6
1 changed files with 6 additions and 2 deletions
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8
src/mesa/state_tracker/st_gen_mipmap.c
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@ -123,6 +123,7 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
struct pipe_transfer *srcTrans, *dstTrans;
const ubyte *srcData;
ubyte *dstData;
int srcStride, dstStride;
srcTrans = st_cond_flush_get_tex_transfer(st_context(ctx), pt, face,
srcLevel, zslice,
@ -139,14 +140,17 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
srcData = (ubyte *) screen->transfer_map(screen, srcTrans);
dstData = (ubyte *) screen->transfer_map(screen, dstTrans);
srcStride = srcTrans->stride / srcTrans->block.size;
dstStride = dstTrans->stride / dstTrans->block.size;
_mesa_generate_mipmap_level(target, datatype, comps,
0 /*border*/,
pt->width[srcLevel], pt->height[srcLevel], pt->depth[srcLevel],
srcData,
srcTrans->stride, /* stride in bytes */
srcStride, /* stride in texels */
pt->width[dstLevel], pt->height[dstLevel], pt->depth[dstLevel],
dstData,
dstTrans->stride); /* stride in bytes */
dstStride); /* stride in texels */
screen->transfer_unmap(screen, srcTrans);
screen->transfer_unmap(screen, dstTrans);