- u_minify(pt->width0, dstLevel),
- u_minify(pt->height0, dstLevel));
-
- srcData = (ubyte *) screen->transfer_map(screen, srcTrans);
- dstData = (ubyte *) screen->transfer_map(screen, dstTrans);
-
- srcStride = srcTrans->stride / util_format_get_blocksize(srcTrans->texture->format);
- dstStride = dstTrans->stride / util_format_get_blocksize(dstTrans->texture->format);
-
- _mesa_generate_mipmap_level(target, datatype, comps,
- 0 /*border*/,
- u_minify(pt->width0, srcLevel),
- u_minify(pt->height0, srcLevel),
- u_minify(pt->depth0, srcLevel),
- srcData,
- srcStride, /* stride in texels */
- u_minify(pt->width0, dstLevel),
- u_minify(pt->height0, dstLevel),
- u_minify(pt->depth0, dstLevel),
- dstData,
- dstStride); /* stride in texels */
-
- screen->transfer_unmap(screen, srcTrans);
- screen->transfer_unmap(screen, dstTrans);
-
- screen->tex_transfer_destroy(srcTrans);
- screen->tex_transfer_destroy(dstTrans);
+ dstWidth, dstHeight);
+
+ srcData = (ubyte *) pipe_transfer_map(pipe, srcTrans);
+ dstData = (ubyte *) pipe_transfer_map(pipe, dstTrans);
+
+ srcStride = srcTrans->stride / util_format_get_blocksize(srcTrans->resource->format);
+ dstStride = dstTrans->stride / util_format_get_blocksize(dstTrans->resource->format);
+
+ if (compressed) {
+ const enum pipe_format format = pt->format;
+ const uint bw = util_format_get_blockwidth(format);
+ const uint bh = util_format_get_blockheight(format);
+ const uint srcWidth2 = align(srcWidth, bw);
+ const uint srcHeight2 = align(srcHeight, bh);
+ const uint dstWidth2 = align(dstWidth, bw);
+ const uint dstHeight2 = align(dstHeight, bh);
+ uint8_t *srcTemp, *dstTemp;
+
+ assert(comps == 4);
+
+ srcTemp = malloc(srcWidth2 * srcHeight2 * comps + 000);
+ dstTemp = malloc(dstWidth2 * dstHeight2 * comps + 000);
+
+ /* decompress the src image: srcData -> srcTemp */
+ decompress_image(format, srcData, srcTemp, srcWidth, srcHeight);
+
+ _mesa_generate_mipmap_level(target, datatype, comps,
+ 0 /*border*/,
+ srcWidth2, srcHeight2, srcDepth,
+ srcTemp,
+ srcWidth2, /* stride in texels */
+ dstWidth2, dstHeight2, dstDepth,
+ dstTemp,
+ dstWidth2); /* stride in texels */
+
+ /* compress the new image: dstTemp -> dstData */
+ compress_image(format, dstTemp, dstData, dstWidth2, dstHeight2);
+
+ free(srcTemp);
+ free(dstTemp);
+ }
+ else {
+ _mesa_generate_mipmap_level(target, datatype, comps,
+ 0 /*border*/,
+ srcWidth, srcHeight, srcDepth,
+ srcData,
+ srcStride, /* stride in texels */
+ dstWidth, dstHeight, dstDepth,
+ dstData,
+ dstStride); /* stride in texels */
+ }
+
+ pipe_transfer_unmap(pipe, srcTrans);
+ pipe_transfer_unmap(pipe, dstTrans);
+
+ pipe->transfer_destroy(pipe, srcTrans);
+ pipe->transfer_destroy(pipe, dstTrans);