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egl: set preserved behavior for surface only if config supports it

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Otherwise we can end up with mismatching behavior between config and
surface when client queries surface attributes. As example, configs
for DRI3 do not support preserved behavior but here we were setting
preserved behavior for pixmap and pbuffer.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98326
Cc: "12.0 13.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Tested-by: Mark Janes <mark.a.janes@intel.com>
This commit is contained in:
Tapani Pälli 2016-10-26 13:54:51 +03:00
parent 671da8d8ba
commit 2035930966
1 changed files with 5 additions and 1 deletions
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6
src/egl/main/eglsurface.c
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@ -262,9 +262,13 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
{
const char *func;
EGLint renderBuffer = EGL_BACK_BUFFER;
EGLint swapBehavior = EGL_BUFFER_PRESERVED;
EGLint swapBehavior = EGL_BUFFER_DESTROYED;
EGLint err;
/* Swap behavior can be preserved only if config supports this. */
if (conf->SurfaceType & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)
swapBehavior = EGL_BUFFER_PRESERVED;
switch (type) {
case EGL_WINDOW_BIT:
func = "eglCreateWindowSurface";