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authorChad Versace <[email protected]>2017-06-16 19:11:21 -0700
committerChad Versace <[email protected]>2017-06-22 08:58:45 -0700
commit5e884353e647261ac815c85724fc108e86dd1d85 (patch)
tree17fc73bae83293458fbc481cffd987d04cc50f9c /src/mesa/main
parent1c409fe4c144f11ce6c6a4548ac5c6ba37980058 (diff)
egl/android: Change order of EGLConfig generation (v2)
Many Android apps (such as Google's official NDK GLES2 example app), and even portions the core framework code (such as SystemServiceManager in Nougat), incorrectly choose their EGLConfig. They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the window's native format, and instead choose the first EGLConfig whose channel sizes match those of the native window format while ignoring the channel *ordering*. We can detect such buggy clients in logcat when they call eglCreateSurface, by detecting the mismatch between the EGLConfig's format and the window's format. As a workaround, this patch changes the order of EGLConfig generation such that all EGLConfigs for HAL pixel format i precede those for HAL pixel format i+1. In my (chadversary) testing on Android Nougat, this was good enough to pacify the buggy clients. v2: Rebase to make patch cherry-pickable to stable. Cc: [email protected] Cc: Tomasz Figa <[email protected]> Cc: Rob Herring <[email protected]> Reviewed-by: Emil Velikov <[email protected]>
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