Mesa (7.11): mesa: return early if mask is cleared to zero in BlitFramebuffer
Marek Olšák
mareko at kemper.freedesktop.org
Mon Jul 11 21:16:32 UTC 2011
Module: Mesa
Branch: 7.11
Commit: 928bf189ff33a4a6b4c6f883d4a4287ebc5121d2
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=928bf189ff33a4a6b4c6f883d4a4287ebc5121d2
Author: Marek Olšák <maraeo at gmail.com>
Date: Sun Jul 10 20:01:33 2011 +0200
mesa: return early if mask is cleared to zero in BlitFramebuffer
>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.
(cherry picked from commit 83478e5d5944e1fc320e8cfb10ba75055bbea3fd)
---
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 8cc3fd4..a6a8aaa 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -2584,6 +2584,10 @@ _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,
More information about the mesa-commit
mailing list