Mesa (7.10): mesa: return early if mask is cleared to zero in BlitFramebuffer
Marek Olšák
mareko at kemper.freedesktop.org
Mon Jul 11 21:01:47 UTC 2011
Module: Mesa
Branch: 7.10
Commit: 7a75fcd6573fa5ec85dfe40cca73c4e2a5fc263e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7a75fcd6573fa5ec85dfe40cca73c4e2a5fc263e
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 e5fa1bf..dbba6bb 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -2447,6 +2447,10 @@ _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