diff options
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/swrast/s_context.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h index 3391600e120..36ab86a5e84 100644 --- a/src/mesa/swrast/s_context.h +++ b/src/mesa/swrast/s_context.h @@ -430,6 +430,14 @@ _swrast_pixel_address(struct gl_renderbuffer *rb, GLint x, GLint y) { const GLint bpp = _mesa_get_format_bytes(rb->Format); const GLint rowStride = rb->RowStride * bpp; + assert(x >= 0); + assert(y >= 0); + /* NOTE: using <= only because of s_tritemp.h which gets a pixel + * address but doesn't necessarily access it. + */ + assert(x <= (GLint) rb->Width); + assert(y <= (GLint) rb->Height); + assert(rb->Data); return (GLubyte *) rb->Data + y * rowStride + x * bpp; } |