[Mesa-dev] [PATCH 1/2] mesa: return early if mask is cleared to zero in BlitFramebuffer
Marek Olšák
maraeo at gmail.com
Sun Jul 10 19:16:15 PDT 2011
Sorry, I pushed this series accidentally. I will revert if needed.
Marek
On Sun, Jul 10, 2011 at 8:30 PM, Marek Olšák <maraeo at gmail.com> wrote:
> From ARB_framebuffer_object:
> If a buffer is specified in <mask> and does not exist in both the
> read and draw framebuffers, the corresponding bit is silently
> ignored.
> ---
> src/mesa/main/fbobject.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
> index d094dd3..8496936 100644
> --- a/src/mesa/main/fbobject.c
> +++ b/src/mesa/main/fbobject.c
> @@ -2603,6 +2603,10 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
> }
> }
>
> + if (!mask) {
> + return;
> + }
> +
> ASSERT(ctx->Driver.BlitFramebuffer);
> ctx->Driver.BlitFramebuffer(ctx,
> srcX0, srcY0, srcX1, srcY1,
> --
> 1.7.4.1
>
>
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