Android/frameworks_base
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Merge change 21059

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* changes:
  make sure EGL_ANDROID_swap_rectangle is actually supported before using it
This commit is contained in:
Android (Google) Code Review
2009-08-12 21:25:15 -07:00
parent 0b66d3019e 42fd8050ba
commit 34453aeefb
1 changed files with 11 additions and 4 deletions
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15
libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
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@@ -166,9 +166,17 @@ void DisplayHardware::init(uint32_t dpy)
}
}
eglQuerySurface(display, surface, EGL_WIDTH, &mWidth);
eglQuerySurface(display, surface, EGL_HEIGHT, &mHeight);
#ifdef EGL_ANDROID_swap_rectangle
if (strstr(egl_extensions, "EGL_ANDROID_swap_rectangle")) {
mFlags |= SWAP_RECTANGLE;
if (eglSetSwapRectangleANDROID(display, surface,
0, 0, mWidth, mHeight) == EGL_TRUE) {
// This could fail if this extension is not supported by this
// specific surface (of config)
mFlags |= SWAP_RECTANGLE;
}
}
// when we have the choice between UPDATE_ON_DEMAND and SWAP_RECTANGLE
// choose UPDATE_ON_DEMAND, which is more efficient
@@ -177,6 +185,8 @@ void DisplayHardware::init(uint32_t dpy)
#endif
LOGI("flags : %08x", mFlags);
mDpiX = mNativeWindow->xdpi;
mDpiY = mNativeWindow->ydpi;
mRefreshRate = fbDev->fps;
@@ -204,9 +214,6 @@ void DisplayHardware::init(uint32_t dpy)
context = eglCreateContext(display, config, NULL, NULL);
//checkEGLErrors("eglCreateContext");
eglQuerySurface(display, surface, EGL_WIDTH, &mWidth);
eglQuerySurface(display, surface, EGL_HEIGHT, &mHeight);
/*
* Gather OpenGL ES extensions