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egl: make pixmaps and pbuffers EGL_BUFFER_PRESERVED

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eglSwapBuffers is no-op to these surface types anyway.
This commit is contained in:
Chia-I Wu 2011-07-28 13:33:55 +09:00
parent 83f5d5e6aa
commit a5ab46909e
1 changed files with 3 additions and 1 deletions
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4
src/egl/main/eglsurface.c
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@ -269,11 +269,13 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
{
const char *func;
EGLint renderBuffer = EGL_BACK_BUFFER;
EGLint swapBehavior = EGL_BUFFER_PRESERVED;
EGLint err;
switch (type) {
case EGL_WINDOW_BIT:
func = "eglCreateWindowSurface";
swapBehavior = EGL_BUFFER_DESTROYED;
break;
case EGL_PIXMAP_BIT:
func = "eglCreatePixmapSurface";
@ -315,7 +317,7 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
surf->MipmapLevel = 0;
surf->MultisampleResolve = EGL_MULTISAMPLE_RESOLVE_DEFAULT;
surf->SwapBehavior = EGL_BUFFER_DESTROYED;
surf->SwapBehavior = swapBehavior;
surf->HorizontalResolution = EGL_UNKNOWN;
surf->VerticalResolution = EGL_UNKNOWN;