+ break;
+ }
+ }
+
+ for (img = 0; img < depth; img++) {
+ GLubyte *srcMap;
+ GLint rowstride;
+
+ /* map src texture buffer */
+ ctx->Driver.MapTextureImage(ctx, texImage, img,
+ 0, 0, width, height, GL_MAP_READ_BIT,
+ &srcMap, &rowstride);
+ if (srcMap) {
+ for (row = 0; row < height; row++) {
+ const GLubyte *src = srcMap + row * rowstride;
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+
+ if (tex_is_integer) {
+ _mesa_unpack_uint_rgba_row(texFormat, width, src, rgba_uint);
+ if (rebaseFormat)
+ _mesa_rebase_rgba_uint(width, rgba_uint, rebaseFormat);
+ if (tex_is_uint) {
+ _mesa_pack_rgba_span_from_uints(ctx, width,
+ (GLuint (*)[4]) rgba_uint,
+ format, type, dest);
+ } else {
+ _mesa_pack_rgba_span_from_ints(ctx, width,
+ (GLint (*)[4]) rgba_uint,
+ format, type, dest);
+ }
+ } else {
+ _mesa_unpack_rgba_row(texFormat, width, src, rgba);
+ if (rebaseFormat)
+ _mesa_rebase_rgba_float(width, rgba, rebaseFormat);
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba,
+ format, type, dest,
+ &ctx->Pack, transferOps);
+ }
+ }
+
+ /* Unmap the src texture buffer */
+ ctx->Driver.UnmapTextureImage(ctx, texImage, img);
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ break;