diff options
| -rw-r--r-- | src/mesa/main/fbobject.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index 83301f1e621..ab91fbc4de9 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -2038,7 +2038,9 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, if (mask & GL_STENCIL_BUFFER_BIT) { struct gl_renderbuffer *readRb = readFb->_StencilBuffer; struct gl_renderbuffer *drawRb = drawFb->_StencilBuffer; - if (readRb->StencilBits != drawRb->StencilBits) { + if (!readRb || + !drawRb || + readRb->StencilBits != drawRb->StencilBits) { _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT(stencil buffer size mismatch"); return; @@ -2048,7 +2050,9 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, if (mask & GL_DEPTH_BUFFER_BIT) { struct gl_renderbuffer *readRb = readFb->_DepthBuffer; struct gl_renderbuffer *drawRb = drawFb->_DepthBuffer; - if (readRb->DepthBits != drawRb->DepthBits) { + if (!readRb || + !drawRb || + readRb->DepthBits != drawRb->DepthBits) { _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT(depth buffer size mismatch"); return; |