diff options
Diffstat (limited to 'src/mesa/main/framebuffer.c')
| -rw-r--r-- | src/mesa/main/framebuffer.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c index 3136a950e08..cd4f594aa29 100644 --- a/src/mesa/main/framebuffer.c +++ b/src/mesa/main/framebuffer.c @@ -647,7 +647,7 @@ update_color_draw_buffers(GLcontext *ctx, struct gl_framebuffer *fb) const GLuint bufferBit = 1 << i; if (bufferBit & bufferMask) { struct gl_renderbuffer *rb = fb->Attachment[i].Renderbuffer; - if (rb) { + if (rb && rb->Width > 0 && rb->Height > 0) { fb->_ColorDrawBuffers[output][count] = rb; count++; } @@ -673,7 +673,10 @@ static void update_color_read_buffer(GLcontext *ctx, struct gl_framebuffer *fb) { (void) ctx; - if (fb->_ColorReadBufferIndex == -1 || fb->DeletePending) { + if (fb->_ColorReadBufferIndex == -1 || + fb->DeletePending || + fb->Width == 0 || + fb->Height == 0) { fb->_ColorReadBuffer = NULL; /* legal! */ } else { |