The Android backend provides basic EGL/GLES2 graphics, where everything is always composited. Overlays are not used. Input is stubbed, therefore there is no input yet. This adds the first C++ source file into Weston compositor. The Android gralloc and fb HAL glue code to the Android EGL library is in C++, and there is no way to access it from plain C. We have a simple wrapper to the required C++ class API. Android forces the C++ file name extension to .cpp. The android backend is compiled by default. However, all Android specific calls are protected with #ifdef ANDROID, so it will build also without Android headers. The binary produced without the Android build system is useless, but allows build-testing generic Weston changes. Therefore the android backend is not installed. Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>dev
Pekka Paalanen
13 years ago
committed by
Kristian Høgsberg
parent
daed3bc1aa
commit
3ae50bb45c
@ -0,0 +1,93 @@ |
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/*
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* Copyright © 2012 Collabora, Ltd. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of the copyright holders not be used in |
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* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <cstdlib> |
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#include "android-framebuffer.h" |
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#ifdef ANDROID |
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#include <ui/FramebufferNativeWindow.h> |
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class AndroidFramebuffer { |
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public: |
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int init(); |
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struct android_framebuffer fb_; |
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private: |
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android::sp<android::FramebufferNativeWindow> nativefb_; |
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}; |
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int AndroidFramebuffer::init() |
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{ |
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struct ANativeWindow *window; |
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const framebuffer_device_t *fbdev; |
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int ret1, ret2, ret3; |
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nativefb_ = new android::FramebufferNativeWindow(); |
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fbdev = nativefb_->getDevice(); |
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if (!fbdev) |
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return -1; |
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fb_.priv = this; |
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window = nativefb_.get(); |
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ret1 = window->query(window, NATIVE_WINDOW_WIDTH, &fb_.width); |
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ret2 = window->query(window, NATIVE_WINDOW_HEIGHT, &fb_.height); |
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ret3 = window->query(window, NATIVE_WINDOW_FORMAT, &fb_.format); |
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fb_.xdpi = window->xdpi; |
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fb_.ydpi = window->ydpi; |
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fb_.refresh_rate = fbdev->fps; |
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if (ret1 != android::NO_ERROR || |
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ret2 != android::NO_ERROR || |
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ret3 != android::NO_ERROR) |
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return -1; |
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fb_.native_window = reinterpret_cast<EGLNativeWindowType>(window); |
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return 0; |
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} |
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void |
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android_framebuffer_destroy(struct android_framebuffer *fb) |
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{ |
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AndroidFramebuffer *afb = static_cast<AndroidFramebuffer*>(fb->priv); |
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delete afb; |
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} |
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struct android_framebuffer * |
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android_framebuffer_create(void) |
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{ |
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AndroidFramebuffer *afb = new AndroidFramebuffer; |
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if (afb->init() < 0) { |
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delete afb; |
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return NULL; |
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} |
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return &afb->fb_; |
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} |
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#endif /* ANDROID */ |
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@ -0,0 +1,54 @@ |
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/*
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* Copyright © 2012 Collabora, Ltd. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
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|
* copyright notice and this permission notice appear in supporting |
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|
* documentation, and that the name of the copyright holders not be used in |
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|
* advertising or publicity pertaining to distribution of the software |
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|
* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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|
* purpose. It is provided "as is" without express or implied warranty. |
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|
* |
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|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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|
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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|
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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|
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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|
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef ANDROID_FRAMEBUFFER_H |
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#define ANDROID_FRAMEBUFFER_H |
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#include <EGL/egl.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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struct android_framebuffer { |
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EGLNativeWindowType native_window; |
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int width; |
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int height; |
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int format; |
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float xdpi; |
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float ydpi; |
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float refresh_rate; |
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void *priv; |
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}; |
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void |
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android_framebuffer_destroy(struct android_framebuffer *fb); |
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struct android_framebuffer * |
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android_framebuffer_create(void); |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#endif /* ANDROID_FRAMEBUFFER_H */ |
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@ -0,0 +1,444 @@ |
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/*
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* Copyright © 2012 Collabora, Ltd. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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|
* its documentation for any purpose is hereby granted without fee, provided |
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|
* that the above copyright notice appear in all copies and that both that |
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|
* copyright notice and this permission notice appear in supporting |
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|
* documentation, and that the name of the copyright holders not be used in |
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|
* advertising or publicity pertaining to distribution of the software |
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|
* without specific, written prior permission. The copyright holders make |
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|
* no representations about the suitability of this software for any |
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|
* purpose. It is provided "as is" without express or implied warranty. |
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|
* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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|
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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|
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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|
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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|
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <math.h> |
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#include <EGL/egl.h> |
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#include <GLES2/gl2.h> |
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#include "compositor.h" |
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#include "android-framebuffer.h" |
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struct android_compositor; |
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struct android_output { |
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struct android_compositor *compositor; |
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struct weston_output base; |
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struct weston_mode mode; |
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struct android_framebuffer *fb; |
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EGLSurface egl_surface; |
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}; |
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struct android_seat { |
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struct weston_seat base; |
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}; |
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struct android_compositor { |
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struct weston_compositor base; |
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struct android_seat *seat; |
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}; |
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static inline struct android_output * |
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to_android_output(struct weston_output *base) |
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{ |
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return container_of(base, struct android_output, base); |
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} |
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static inline struct android_compositor * |
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to_android_compositor(struct weston_compositor *base) |
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{ |
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return container_of(base, struct android_compositor, base); |
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} |
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static const char * |
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egl_error_string(EGLint code) |
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{ |
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#define MYERRCODE(x) case x: return #x; |
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switch (code) { |
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MYERRCODE(EGL_SUCCESS) |
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MYERRCODE(EGL_NOT_INITIALIZED) |
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MYERRCODE(EGL_BAD_ACCESS) |
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MYERRCODE(EGL_BAD_ALLOC) |
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MYERRCODE(EGL_BAD_ATTRIBUTE) |
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MYERRCODE(EGL_BAD_CONTEXT) |
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MYERRCODE(EGL_BAD_CONFIG) |
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MYERRCODE(EGL_BAD_CURRENT_SURFACE) |
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MYERRCODE(EGL_BAD_DISPLAY) |
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MYERRCODE(EGL_BAD_SURFACE) |
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MYERRCODE(EGL_BAD_MATCH) |
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MYERRCODE(EGL_BAD_PARAMETER) |
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MYERRCODE(EGL_BAD_NATIVE_PIXMAP) |
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MYERRCODE(EGL_BAD_NATIVE_WINDOW) |
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MYERRCODE(EGL_CONTEXT_LOST) |
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default: |
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return "unknown"; |
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} |
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#undef MYERRCODE |
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} |
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static void |
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print_egl_error_state(void) |
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{ |
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EGLint code; |
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code = eglGetError(); |
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fprintf(stderr, "EGL error state: %s (0x%04lx)\n", |
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egl_error_string(code), (long)code); |
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} |
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static int |
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android_output_make_current(struct android_output *output) |
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{ |
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struct android_compositor *compositor = output->compositor; |
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EGLBoolean ret; |
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static int errored; |
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ret = eglMakeCurrent(compositor->base.display, output->egl_surface, |
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output->egl_surface, compositor->base.context); |
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if (ret == EGL_FALSE) { |
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if (errored) |
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return -1; |
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errored = 1; |
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fprintf(stderr, "Failed to make EGL context current.\n"); |
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print_egl_error_state(); |
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return -1; |
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} |
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return 0; |
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} |
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static void |
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android_finish_frame(void *data) |
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{ |
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struct android_output *output = data; |
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weston_output_finish_frame(&output->base, |
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weston_compositor_get_time()); |
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} |
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static void |
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android_output_repaint(struct weston_output *base, pixman_region32_t *damage) |
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{ |
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struct android_output *output = to_android_output(base); |
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struct android_compositor *compositor = output->compositor; |
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struct weston_surface *surface; |
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struct wl_event_loop *loop; |
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EGLBoolean ret; |
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static int errored; |
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if (android_output_make_current(output) < 0) |
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return; |
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wl_list_for_each_reverse(surface, &compositor->base.surface_list, link) |
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weston_surface_draw(surface, &output->base, damage); |
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weston_output_do_read_pixels(&output->base); |
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ret = eglSwapBuffers(compositor->base.display, output->egl_surface); |
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if (ret == EGL_FALSE && !errored) { |
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errored = 1; |
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fprintf(stderr, "Failed in eglSwapBuffers.\n"); |
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print_egl_error_state(); |
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} |
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/* FIXME: does Android have a way to signal page flip done? */ |
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loop = wl_display_get_event_loop(compositor->base.wl_display); |
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wl_event_loop_add_idle(loop, android_finish_frame, output); |
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} |
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static void |
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android_output_destroy(struct weston_output *base) |
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{ |
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struct android_output *output = to_android_output(base); |
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wl_list_remove(&output->base.link); |
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weston_output_destroy(&output->base); |
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android_framebuffer_destroy(output->fb); |
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free(output); |
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} |
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static struct android_output * |
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android_output_create(struct android_compositor *compositor) |
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{ |
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struct android_output *output; |
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output = calloc(1, sizeof *output); |
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if (!output) |
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return NULL; |
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output->fb = android_framebuffer_create(); |
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if (!output->fb) { |
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free(output); |
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return NULL; |
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} |
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output->compositor = compositor; |
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return output; |
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} |
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static void |
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android_compositor_add_output(struct android_compositor *compositor, |
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struct android_output *output) |
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{ |
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float mm_width, mm_height; |
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output->base.repaint = android_output_repaint; |
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output->base.destroy = android_output_destroy; |
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output->base.assign_planes = NULL; |
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output->base.set_backlight = NULL; |
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output->base.set_dpms = NULL; |
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output->base.switch_mode = NULL; |
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/* only one static mode in list */ |
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output->mode.flags = |
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WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED; |
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output->mode.width = output->fb->width; |
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output->mode.height = output->fb->height; |
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output->mode.refresh = ceilf(1000.0f * output->fb->refresh_rate); |
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wl_list_init(&output->base.mode_list); |
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wl_list_insert(&output->base.mode_list, &output->mode.link); |
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output->base.current = &output->mode; |
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output->base.origin = &output->mode; |
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output->base.subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN; |
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output->base.make = "unknown"; |
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output->base.model = "unknown"; |
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mm_width = output->fb->width / output->fb->xdpi * 25.4f; |
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mm_height = output->fb->height / output->fb->ydpi * 25.4f; |
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weston_output_init(&output->base, &compositor->base, |
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0, 0, round(mm_width), round(mm_height), |
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WL_OUTPUT_FLIPPED); |
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wl_list_insert(compositor->base.output_list.prev, &output->base.link); |
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} |
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static void |
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android_seat_destroy(struct android_seat *seat) |
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{ |
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weston_seat_release(&seat->base); |
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free(seat); |
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} |
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static struct android_seat * |
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android_seat_create(struct android_compositor *compositor) |
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{ |
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struct android_seat *seat; |
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seat = calloc(1, sizeof *seat); |
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if (!seat) |
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return NULL; |
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weston_seat_init(&seat->base, &compositor->base); |
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compositor->base.seat = &seat->base; |
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return seat; |
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} |
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static int |
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android_egl_choose_config(struct android_compositor *compositor, |
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struct android_framebuffer *fb, |
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const EGLint *attribs) |
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{ |
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EGLBoolean ret; |
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EGLint count = 0; |
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EGLint matched = 0; |
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EGLConfig *configs; |
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int i; |
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/*
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* The logic is copied from Android frameworks/base/services/ |
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* surfaceflinger/DisplayHardware/DisplayHardware.cpp |
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*/ |
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compositor->base.config = NULL; |
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ret = eglGetConfigs(compositor->base.display, NULL, 0, &count); |
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if (ret == EGL_FALSE || count < 1) |
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return -1; |
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configs = calloc(count, sizeof *configs); |
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if (!configs) |
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return -1; |
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ret = eglChooseConfig(compositor->base.display, attribs, configs, |
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count, &matched); |
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if (ret == EGL_FALSE || matched < 1) |
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goto out; |
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||||||
|
for (i = 0; i < matched; ++i) { |
||||||
|
EGLint id; |
||||||
|
ret = eglGetConfigAttrib(compositor->base.display, configs[i], |
||||||
|
EGL_NATIVE_VISUAL_ID, &id); |
||||||
|
if (ret == EGL_FALSE) |
||||||
|
continue; |
||||||
|
if (id > 0 && fb->format == id) { |
||||||
|
compositor->base.config = configs[i]; |
||||||
|
break; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
out: |
||||||
|
free(configs); |
||||||
|
if (!compositor->base.config) |
||||||
|
return -1; |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int |
||||||
|
android_init_egl(struct android_compositor *compositor, |
||||||
|
struct android_output *output) |
||||||
|
{ |
||||||
|
EGLint eglmajor, eglminor; |
||||||
|
int ret; |
||||||
|
|
||||||
|
static const EGLint context_attrs[] = { |
||||||
|
EGL_CONTEXT_CLIENT_VERSION, 2, |
||||||
|
EGL_NONE |
||||||
|
}; |
||||||
|
|
||||||
|
static const EGLint config_attrs[] = { |
||||||
|
EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
||||||
|
EGL_RED_SIZE, 1, |
||||||
|
EGL_GREEN_SIZE, 1, |
||||||
|
EGL_BLUE_SIZE, 1, |
||||||
|
EGL_ALPHA_SIZE, 0, |
||||||
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
||||||
|
EGL_NONE |
||||||
|
}; |
||||||
|
|
||||||
|
compositor->base.display = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
||||||
|
if (compositor->base.display == EGL_NO_DISPLAY) { |
||||||
|
fprintf(stderr, "Failed to create EGL display.\n"); |
||||||
|
print_egl_error_state(); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
ret = eglInitialize(compositor->base.display, &eglmajor, &eglminor); |
||||||
|
if (!ret) { |
||||||
|
fprintf(stderr, "Failed to initialise EGL.\n"); |
||||||
|
print_egl_error_state(); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
if (!eglBindAPI(EGL_OPENGL_ES_API)) { |
||||||
|
fprintf(stderr, "Failed to bind EGL_OPENGL_ES_API.\n"); |
||||||
|
print_egl_error_state(); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
ret = android_egl_choose_config(compositor, output->fb, config_attrs); |
||||||
|
if (ret < 0) { |
||||||
|
fprintf(stderr, "Failed to find an EGL config.\n"); |
||||||
|
print_egl_error_state(); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
compositor->base.context = eglCreateContext(compositor->base.display, |
||||||
|
compositor->base.config, |
||||||
|
EGL_NO_CONTEXT, |
||||||
|
context_attrs); |
||||||
|
if (compositor->base.context == EGL_NO_CONTEXT) { |
||||||
|
fprintf(stderr, "Failed to create a GL ES 2 context.\n"); |
||||||
|
print_egl_error_state(); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
output->egl_surface = eglCreateWindowSurface(compositor->base.display, |
||||||
|
compositor->base.config, |
||||||
|
output->fb->native_window, |
||||||
|
NULL); |
||||||
|
if (output->egl_surface == EGL_NO_SURFACE) { |
||||||
|
fprintf(stderr, "Failed to create FB EGLSurface.\n"); |
||||||
|
print_egl_error_state(); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
if (android_output_make_current(output) < 0) |
||||||
|
return -1; |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
android_fini_egl(struct android_compositor *compositor) |
||||||
|
{ |
||||||
|
eglMakeCurrent(compositor->base.display, |
||||||
|
EGL_NO_SURFACE, EGL_NO_SURFACE, |
||||||
|
EGL_NO_CONTEXT); |
||||||
|
|
||||||
|
eglTerminate(compositor->base.display); |
||||||
|
eglReleaseThread(); |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
android_compositor_destroy(struct weston_compositor *base) |
||||||
|
{ |
||||||
|
struct android_compositor *compositor = to_android_compositor(base); |
||||||
|
|
||||||
|
android_seat_destroy(compositor->seat); |
||||||
|
|
||||||
|
/* destroys outputs, too */ |
||||||
|
weston_compositor_shutdown(&compositor->base); |
||||||
|
|
||||||
|
android_fini_egl(compositor); |
||||||
|
|
||||||
|
free(compositor); |
||||||
|
} |
||||||
|
|
||||||
|
static struct weston_compositor * |
||||||
|
android_compositor_create(struct wl_display *display) |
||||||
|
{ |
||||||
|
struct android_compositor *compositor; |
||||||
|
struct android_output *output; |
||||||
|
|
||||||
|
compositor = calloc(1, sizeof *compositor); |
||||||
|
if (compositor == NULL) |
||||||
|
return NULL; |
||||||
|
|
||||||
|
compositor->base.destroy = android_compositor_destroy; |
||||||
|
|
||||||
|
compositor->base.focus = 1; |
||||||
|
|
||||||
|
/* FIXME: all cleanup on failure is missing */ |
||||||
|
|
||||||
|
output = android_output_create(compositor); |
||||||
|
if (!output) |
||||||
|
return NULL; |
||||||
|
|
||||||
|
if (android_init_egl(compositor, output) < 0) |
||||||
|
return NULL; |
||||||
|
|
||||||
|
if (weston_compositor_init(&compositor->base, display) < 0) |
||||||
|
return NULL; |
||||||
|
|
||||||
|
android_compositor_add_output(compositor, output); |
||||||
|
|
||||||
|
compositor->seat = android_seat_create(compositor); |
||||||
|
if (!compositor->seat) |
||||||
|
return NULL; |
||||||
|
|
||||||
|
return &compositor->base; |
||||||
|
} |
||||||
|
|
||||||
|
WL_EXPORT struct weston_compositor * |
||||||
|
backend_init(struct wl_display *display, int argc, char *argv[]) |
||||||
|
{ |
||||||
|
return android_compositor_create(display); |
||||||
|
} |
||||||
Loading…
Reference in new issue