diff options
Diffstat (limited to 'mesalib/src/mesa/swrast/s_texture.c')
| -rw-r--r-- | mesalib/src/mesa/swrast/s_texture.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mesalib/src/mesa/swrast/s_texture.c b/mesalib/src/mesa/swrast/s_texture.c index 76a31eeae..ffd78a2b8 100644 --- a/mesalib/src/mesa/swrast/s_texture.c +++ b/mesalib/src/mesa/swrast/s_texture.c @@ -189,8 +189,15 @@ _swrast_map_teximage(struct gl_context *ctx, stride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width); _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); - assert(swImage->Buffer); + assert(x % bw == 0); + assert(y % bh == 0); + if (!swImage->Buffer) { + /* probably ran out of memory when allocating tex mem */ + *mapOut = NULL; + return; + } + map = swImage->Buffer; if (texImage->TexObject->Target == GL_TEXTURE_3D || |