114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SIM_EGL_SURFACE_H
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#define ANDROID_SIM_EGL_SURFACE_H
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#include <stdint.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <GLES/eglnatives.h>
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#include <linux/fb.h>
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typedef struct {
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ssize_t version; // always set to sizeof(GGLSurface)
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uint32_t width; // width in pixels
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uint32_t height; // height in pixels
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int32_t stride; // stride in pixels
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uint8_t* data; // pointer to the bits
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uint8_t format; // pixel format
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uint8_t rfu[3]; // must be zero
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void* reserved;
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} GGLSurface;
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// ---------------------------------------------------------------------------
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namespace android {
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// ---------------------------------------------------------------------------
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template <class TYPE>
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class EGLNativeSurface : public egl_native_window_t
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{
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public:
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EGLNativeSurface() : mCount(0) {
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memset(egl_native_window_t::reserved, 0,
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sizeof(egl_native_window_t::reserved));
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memset(egl_native_window_t::reserved_proc, 0,
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sizeof(egl_native_window_t::reserved_proc));
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memset(egl_native_window_t::oem, 0,
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sizeof(egl_native_window_t::oem));
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}
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inline void incStrong(void*) const {
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/* in a real implementation, the inc must be atomic */
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mCount++;
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}
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inline void decStrong(void*) const {
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/* in a real implementation, the dec must be atomic */
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if (--mCount == 1) {
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delete static_cast<const TYPE*>(this);
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}
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}
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protected:
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EGLNativeSurface& operator = (const EGLNativeSurface& rhs);
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EGLNativeSurface(const EGLNativeSurface& rhs);
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inline ~EGLNativeSurface() { };
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mutable volatile int32_t mCount;
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};
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class EGLDisplaySurface : public EGLNativeSurface<EGLDisplaySurface>
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{
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public:
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EGLDisplaySurface();
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~EGLDisplaySurface();
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int32_t getPageFlipCount() const;
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private:
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static void hook_incRef(NativeWindowType window);
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static void hook_decRef(NativeWindowType window);
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static uint32_t hook_swapBuffers(NativeWindowType window);
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static void hook_setSwapRectangle(NativeWindowType window, int l, int t, int w, int h);
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static uint32_t hook_nextBuffer(NativeWindowType window);
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uint32_t swapBuffers();
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uint32_t nextBuffer();
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void setSwapRectangle(int l, int t, int w, int h);
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int mapFrameBuffer();
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enum {
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PAGE_FLIP = 0x00000001
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};
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GGLSurface mFb[2];
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int mIndex;
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uint32_t mFlags;
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size_t mSize;
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fb_var_screeninfo mInfo;
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fb_fix_screeninfo mFinfo;
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int32_t mPageFlipCount;
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int32_t mSwapCount;
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uint32_t mFeatureFlags;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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// ---------------------------------------------------------------------------
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#endif // ANDROID_SIM_EGL_SURFACE_H
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