| /* |
| * Copyright (C) 2011-2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "FrameBuffer.h" |
| |
| #include "DispatchTables.h" |
| #include "NativeSubWindow.h" |
| #include "RenderThreadInfo.h" |
| #include "TimeUtils.h" |
| #include "gles2_dec.h" |
| |
| #include "OpenGLESDispatch/EGLDispatch.h" |
| |
| #include "emugl/common/logging.h" |
| |
| #include <stdio.h> |
| |
| namespace { |
| |
| // Helper class to call the bind_locked() / unbind_locked() properly. |
| class ScopedBind { |
| public: |
| // Constructor will call bind_locked() on |fb|. |
| // Use isValid() to check for errors. |
| ScopedBind(FrameBuffer* fb) : mFb(fb) { |
| if (!mFb->bind_locked()) { |
| mFb = NULL; |
| } |
| } |
| |
| // Returns true if contruction bound the framebuffer context properly. |
| bool isValid() const { return mFb != NULL; } |
| |
| // Unbound the framebuffer explictly. This is also called by the |
| // destructor. |
| void release() { |
| if (mFb) { |
| mFb->unbind_locked(); |
| mFb = NULL; |
| } |
| } |
| |
| // Destructor will call release(). |
| ~ScopedBind() { |
| release(); |
| } |
| |
| private: |
| FrameBuffer* mFb; |
| }; |
| |
| // Implementation of a ColorBuffer::Helper instance that redirects calls |
| // to a FrameBuffer instance. |
| class ColorBufferHelper : public ColorBuffer::Helper { |
| public: |
| ColorBufferHelper(FrameBuffer* fb) : mFb(fb) {} |
| |
| virtual bool setupContext() { |
| return mFb->bind_locked(); |
| } |
| |
| virtual void teardownContext() { |
| mFb->unbind_locked(); |
| } |
| |
| virtual TextureDraw* getTextureDraw() const { |
| return mFb->getTextureDraw(); |
| } |
| private: |
| FrameBuffer* mFb; |
| }; |
| |
| } // namespace |
| |
| FrameBuffer *FrameBuffer::s_theFrameBuffer = NULL; |
| HandleType FrameBuffer::s_nextHandle = 0; |
| |
| static char* getGLES1ExtensionString(EGLDisplay p_dpy) |
| { |
| EGLConfig config; |
| EGLSurface surface; |
| |
| static const GLint configAttribs[] = { |
| EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, |
| EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT, |
| EGL_NONE |
| }; |
| |
| int n; |
| if (!s_egl.eglChooseConfig(p_dpy, configAttribs, |
| &config, 1, &n) || n == 0) { |
| ERR("%s: Could not find GLES 1.x config!\n", __FUNCTION__); |
| return NULL; |
| } |
| |
| DBG("%s: Found config %p\n", __FUNCTION__, (void*)config); |
| |
| static const EGLint pbufAttribs[] = { |
| EGL_WIDTH, 1, |
| EGL_HEIGHT, 1, |
| EGL_NONE |
| }; |
| |
| surface = s_egl.eglCreatePbufferSurface(p_dpy, config, pbufAttribs); |
| if (surface == EGL_NO_SURFACE) { |
| ERR("%s: Could not create GLES 1.x Pbuffer!\n", __FUNCTION__); |
| return NULL; |
| } |
| |
| static const GLint gles1ContextAttribs[] = { |
| EGL_CONTEXT_CLIENT_VERSION, 1, |
| EGL_NONE |
| }; |
| |
| EGLContext ctx = s_egl.eglCreateContext(p_dpy, config, |
| EGL_NO_CONTEXT, |
| gles1ContextAttribs); |
| if (ctx == EGL_NO_CONTEXT) { |
| ERR("%s: Could not create GLES 1.x Context!\n", __FUNCTION__); |
| s_egl.eglDestroySurface(p_dpy, surface); |
| return NULL; |
| } |
| |
| if (!s_egl.eglMakeCurrent(p_dpy, surface, surface, ctx)) { |
| ERR("%s: Could not make GLES 1.x context current!\n", __FUNCTION__); |
| s_egl.eglDestroySurface(p_dpy, surface); |
| s_egl.eglDestroyContext(p_dpy, ctx); |
| return NULL; |
| } |
| |
| // the string pointer may become invalid when the context is destroyed |
| const char* s = (const char*)s_gles1.glGetString(GL_EXTENSIONS); |
| char* extString = strdup(s ? s : ""); |
| |
| s_egl.eglMakeCurrent(p_dpy, NULL, NULL, NULL); |
| s_egl.eglDestroyContext(p_dpy, ctx); |
| s_egl.eglDestroySurface(p_dpy, surface); |
| |
| return extString; |
| } |
| |
| void FrameBuffer::finalize(){ |
| m_colorbuffers.clear(); |
| if (m_useSubWindow) { |
| removeSubWindow(); |
| } |
| m_windows.clear(); |
| m_contexts.clear(); |
| s_egl.eglMakeCurrent(m_eglDisplay, NULL, NULL, NULL); |
| s_egl.eglDestroyContext(m_eglDisplay, m_eglContext); |
| s_egl.eglDestroyContext(m_eglDisplay, m_pbufContext); |
| s_egl.eglDestroySurface(m_eglDisplay, m_pbufSurface); |
| } |
| |
| bool FrameBuffer::initialize(int width, int height, bool useSubWindow) |
| { |
| GL_LOG("FrameBuffer::initialize"); |
| if (s_theFrameBuffer != NULL) { |
| return true; |
| } |
| |
| // |
| // allocate space for the FrameBuffer object |
| // |
| FrameBuffer *fb = new FrameBuffer(width, height, useSubWindow); |
| if (!fb) { |
| ERR("Failed to create fb\n"); |
| return false; |
| } |
| |
| // |
| // Initialize backend EGL display |
| // |
| fb->m_eglDisplay = s_egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| if (fb->m_eglDisplay == EGL_NO_DISPLAY) { |
| ERR("Failed to Initialize backend EGL display\n"); |
| delete fb; |
| return false; |
| } |
| |
| GL_LOG("call eglInitialize"); |
| if (!s_egl.eglInitialize(fb->m_eglDisplay, |
| &fb->m_caps.eglMajor, |
| &fb->m_caps.eglMinor)) { |
| ERR("Failed to eglInitialize\n"); |
| GL_LOG("Failed to eglInitialize"); |
| delete fb; |
| return false; |
| } |
| |
| DBG("egl: %d %d\n", fb->m_caps.eglMajor, fb->m_caps.eglMinor); |
| GL_LOG("egl: %d %d", fb->m_caps.eglMajor, fb->m_caps.eglMinor); |
| s_egl.eglBindAPI(EGL_OPENGL_ES_API); |
| |
| // |
| // if GLES2 plugin has loaded - try to make GLES2 context and |
| // get GLES2 extension string |
| // |
| char* gles1Extensions = NULL; |
| gles1Extensions = getGLES1ExtensionString(fb->m_eglDisplay); |
| if (!gles1Extensions) { |
| // Could not create GLES2 context - drop GL2 capability |
| ERR("Failed to obtain GLES 1.x extensions string!\n"); |
| delete fb; |
| return false; |
| } |
| |
| // |
| // Create EGL context for framebuffer post rendering. |
| // |
| GLint surfaceType = (useSubWindow ? EGL_WINDOW_BIT : 0) | EGL_PBUFFER_BIT; |
| const GLint configAttribs[] = { |
| EGL_RED_SIZE, 1, |
| EGL_GREEN_SIZE, 1, |
| EGL_BLUE_SIZE, 1, |
| EGL_SURFACE_TYPE, surfaceType, |
| EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL_NONE |
| }; |
| |
| int n; |
| if (!s_egl.eglChooseConfig(fb->m_eglDisplay, configAttribs, |
| &fb->m_eglConfig, 1, &n)) { |
| ERR("Failed on eglChooseConfig\n"); |
| free(gles1Extensions); |
| delete fb; |
| return false; |
| } |
| |
| static const GLint glContextAttribs[] = { |
| EGL_CONTEXT_CLIENT_VERSION, 2, |
| EGL_NONE |
| }; |
| |
| GL_LOG("attempting to create egl context"); |
| fb->m_eglContext = s_egl.eglCreateContext(fb->m_eglDisplay, |
| fb->m_eglConfig, |
| EGL_NO_CONTEXT, |
| glContextAttribs); |
| if (fb->m_eglContext == EGL_NO_CONTEXT) { |
| ERR("Failed to create context 0x%x\n", s_egl.eglGetError()); |
| free(gles1Extensions); |
| delete fb; |
| return false; |
| } |
| |
| GL_LOG("attempting to create egl pbuffer context"); |
| // |
| // Create another context which shares with the eglContext to be used |
| // when we bind the pbuffer. That prevent switching drawable binding |
| // back and forth on framebuffer context. |
| // The main purpose of it is to solve a "blanking" behaviour we see on |
| // on Mac platform when switching binded drawable for a context however |
| // it is more efficient on other platforms as well. |
| // |
| fb->m_pbufContext = s_egl.eglCreateContext(fb->m_eglDisplay, |
| fb->m_eglConfig, |
| fb->m_eglContext, |
| glContextAttribs); |
| if (fb->m_pbufContext == EGL_NO_CONTEXT) { |
| ERR("Failed to create Pbuffer Context 0x%x\n", s_egl.eglGetError()); |
| free(gles1Extensions); |
| delete fb; |
| return false; |
| } |
| |
| GL_LOG("context creation successful"); |
| // |
| // create a 1x1 pbuffer surface which will be used for binding |
| // the FB context. |
| // The FB output will go to a subwindow, if one exist. |
| // |
| static const EGLint pbufAttribs[] = { |
| EGL_WIDTH, 1, |
| EGL_HEIGHT, 1, |
| EGL_NONE |
| }; |
| |
| fb->m_pbufSurface = s_egl.eglCreatePbufferSurface(fb->m_eglDisplay, |
| fb->m_eglConfig, |
| pbufAttribs); |
| if (fb->m_pbufSurface == EGL_NO_SURFACE) { |
| ERR("Failed to create pbuf surface for FB 0x%x\n", s_egl.eglGetError()); |
| free(gles1Extensions); |
| delete fb; |
| return false; |
| } |
| |
| GL_LOG("attempting to make context current"); |
| // Make the context current |
| ScopedBind bind(fb); |
| if (!bind.isValid()) { |
| ERR("Failed to make current\n"); |
| free(gles1Extensions); |
| delete fb; |
| return false; |
| } |
| GL_LOG("context-current successful"); |
| |
| // |
| // Initilize framebuffer capabilities |
| // |
| //const char* gles2Extensions = (const char *)s_gles2.glGetString(GL_EXTENSIONS); |
| bool has_gl_oes_image = false; |
| |
| // printf("GLES1 [%s]\n", gles1Extensions); |
| // printf("GLES2 [%s]\n", gles2Extensions); |
| |
| has_gl_oes_image = true; |
| |
| if (has_gl_oes_image) { |
| has_gl_oes_image &= strstr(gles1Extensions, "GL_OES_EGL_image") != NULL; |
| } |
| free((void*)gles1Extensions); |
| gles1Extensions = NULL; |
| |
| const char *eglExtensions = s_egl.eglQueryString(fb->m_eglDisplay, |
| EGL_EXTENSIONS); |
| |
| if (eglExtensions && has_gl_oes_image) { |
| fb->m_caps.has_eglimage_texture_2d = |
| strstr(eglExtensions, "EGL_KHR_gl_texture_2D_image") != NULL; |
| fb->m_caps.has_eglimage_renderbuffer = |
| strstr(eglExtensions, "EGL_KHR_gl_renderbuffer_image") != NULL; |
| } |
| else { |
| fb->m_caps.has_eglimage_texture_2d = false; |
| fb->m_caps.has_eglimage_renderbuffer = false; |
| } |
| |
| // |
| // Fail initialization if not all of the following extensions |
| // exist: |
| // EGL_KHR_gl_texture_2d_image |
| // GL_OES_EGL_IMAGE (by both GLES implementations [1 and 2]) |
| // |
| if (!fb->m_caps.has_eglimage_texture_2d) { |
| ERR("Failed: Missing egl_image related extension(s)\n"); |
| bind.release(); |
| delete fb; |
| return false; |
| } |
| |
| GL_LOG("host system has enough extensions"); |
| // |
| // Initialize set of configs |
| // |
| fb->m_configs = new FbConfigList(fb->m_eglDisplay); |
| if (fb->m_configs->empty()) { |
| ERR("Failed: Initialize set of configs\n"); |
| bind.release(); |
| delete fb; |
| return false; |
| } |
| |
| // |
| // Check that we have config for each GLES and GLES2 |
| // |
| size_t nConfigs = fb->m_configs->size(); |
| int nGLConfigs = 0; |
| int nGL2Configs = 0; |
| for (size_t i = 0; i < nConfigs; ++i) { |
| GLint rtype = fb->m_configs->get(i)->getRenderableType(); |
| if (0 != (rtype & EGL_OPENGL_ES_BIT)) { |
| nGLConfigs++; |
| } |
| if (0 != (rtype & EGL_OPENGL_ES2_BIT)) { |
| nGL2Configs++; |
| } |
| } |
| |
| // |
| // Fail initialization if no GLES configs exist |
| // |
| if (nGLConfigs == 0) { |
| bind.release(); |
| delete fb; |
| return false; |
| } |
| |
| // |
| // If no GLES2 configs exist - not GLES2 capability |
| // |
| if (nGL2Configs == 0) { |
| ERR("Failed: No GLES 2.x configs found!\n"); |
| bind.release(); |
| delete fb; |
| return false; |
| } |
| |
| GL_LOG("There are sufficient EGLconfigs available"); |
| |
| // |
| // Cache the GL strings so we don't have to think about threading or |
| // current-context when asked for them. |
| // |
| fb->m_glVendor = (const char*)s_gles2.glGetString(GL_VENDOR); |
| fb->m_glRenderer = (const char*)s_gles2.glGetString(GL_RENDERER); |
| fb->m_glVersion = (const char*)s_gles2.glGetString(GL_VERSION); |
| |
| fb->m_textureDraw = new TextureDraw(fb->m_eglDisplay); |
| if (!fb->m_textureDraw) { |
| ERR("Failed: creation of TextureDraw instance\n"); |
| bind.release(); |
| delete fb; |
| return false; |
| } |
| |
| // release the FB context |
| bind.release(); |
| |
| // |
| // Keep the singleton framebuffer pointer |
| // |
| s_theFrameBuffer = fb; |
| GL_LOG("basic EGL initialization successful"); |
| return true; |
| } |
| |
| FrameBuffer::FrameBuffer(int p_width, int p_height, bool useSubWindow) : |
| m_framebufferWidth(p_width), |
| m_framebufferHeight(p_height), |
| m_windowWidth(p_width), |
| m_windowHeight(p_height), |
| m_useSubWindow(useSubWindow), |
| m_configs(NULL), |
| m_eglDisplay(EGL_NO_DISPLAY), |
| m_colorBufferHelper(new ColorBufferHelper(this)), |
| m_eglSurface(EGL_NO_SURFACE), |
| m_eglContext(EGL_NO_CONTEXT), |
| m_pbufContext(EGL_NO_CONTEXT), |
| m_prevContext(EGL_NO_CONTEXT), |
| m_prevReadSurf(EGL_NO_SURFACE), |
| m_prevDrawSurf(EGL_NO_SURFACE), |
| m_subWin((EGLNativeWindowType)0), |
| m_textureDraw(NULL), |
| m_lastPostedColorBuffer(0), |
| m_zRot(0.0f), |
| m_px(0), |
| m_py(0), |
| m_eglContextInitialized(false), |
| m_statsNumFrames(0), |
| m_statsStartTime(0LL), |
| m_onPost(NULL), |
| m_onPostContext(NULL), |
| m_fbImage(NULL), |
| m_glVendor(NULL), |
| m_glRenderer(NULL), |
| m_glVersion(NULL) |
| { |
| m_fpsStats = getenv("SHOW_FPS_STATS") != NULL; |
| } |
| |
| FrameBuffer::~FrameBuffer() { |
| delete m_textureDraw; |
| delete m_configs; |
| delete m_colorBufferHelper; |
| free(m_fbImage); |
| } |
| |
| void FrameBuffer::setPostCallback(OnPostFn onPost, void* onPostContext) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| m_onPost = onPost; |
| m_onPostContext = onPostContext; |
| if (m_onPost && !m_fbImage) { |
| m_fbImage = (unsigned char*)malloc(4 * m_framebufferWidth * m_framebufferHeight); |
| if (!m_fbImage) { |
| ERR("out of memory, cancelling OnPost callback"); |
| m_onPost = NULL; |
| m_onPostContext = NULL; |
| return; |
| } |
| } |
| } |
| |
| static void subWindowRepaint(void* param) { |
| auto fb = static_cast<FrameBuffer*>(param); |
| fb->repost(); |
| } |
| |
| bool FrameBuffer::setupSubWindow(FBNativeWindowType p_window, |
| int wx, |
| int wy, |
| int ww, |
| int wh, |
| int fbw, |
| int fbh, |
| float dpr, |
| float zRot) { |
| bool success = false; |
| |
| if (!m_useSubWindow) { |
| ERR("%s: Cannot create native sub-window in this configuration\n", |
| __FUNCTION__); |
| return false; |
| } |
| |
| m_lock.lock(); |
| |
| // If the subwindow doesn't exist, create it with the appropriate dimensions |
| if (!m_subWin) { |
| |
| // Create native subwindow for FB display output |
| m_x = wx; |
| m_y = wy; |
| m_windowWidth = ww; |
| m_windowHeight = wh; |
| |
| m_subWin = createSubWindow(p_window, m_x, m_y, |
| m_windowWidth, m_windowHeight, subWindowRepaint, this); |
| if (m_subWin) { |
| m_nativeWindow = p_window; |
| |
| // create EGLSurface from the generated subwindow |
| m_eglSurface = s_egl.eglCreateWindowSurface(m_eglDisplay, |
| m_eglConfig, |
| m_subWin, |
| NULL); |
| |
| if (m_eglSurface == EGL_NO_SURFACE) { |
| // NOTE: This can typically happen with software-only renderers like OSMesa. |
| destroySubWindow(m_subWin); |
| m_subWin = (EGLNativeWindowType)0; |
| } else { |
| m_px = 0; |
| m_py = 0; |
| |
| success = true; |
| } |
| } |
| } |
| |
| // At this point, if the subwindow doesn't exist, it is because it either couldn't be created |
| // in the first place or the EGLSurface couldn't be created. |
| if (m_subWin && bindSubwin_locked()) { |
| |
| // Only attempt to update window geometry if anything has actually changed. |
| if (!(m_x == wx && |
| m_y == wy && |
| m_windowWidth == ww && |
| m_windowHeight == wh)) { |
| |
| m_x = wx; |
| m_y = wy; |
| m_windowWidth = ww; |
| m_windowHeight = wh; |
| |
| success = ::moveSubWindow(m_nativeWindow, m_subWin, |
| m_x, m_y, m_windowWidth, m_windowHeight); |
| } |
| |
| if (success) { |
| // Subwin creation or movement was successful, |
| // update viewport and z rotation and draw |
| // the last posted color buffer. |
| s_gles2.glViewport(0, 0, fbw * dpr, fbh * dpr); |
| m_dpr = dpr; |
| m_zRot = zRot; |
| if (m_lastPostedColorBuffer) { |
| post(m_lastPostedColorBuffer, false); |
| } else { |
| s_gles2.glClear(GL_COLOR_BUFFER_BIT | |
| GL_DEPTH_BUFFER_BIT | |
| GL_STENCIL_BUFFER_BIT); |
| s_egl.eglSwapBuffers(m_eglDisplay, m_eglSurface); |
| } |
| } |
| unbind_locked(); |
| } |
| |
| m_lock.unlock(); |
| return success; |
| } |
| |
| bool FrameBuffer::removeSubWindow() { |
| if (!m_useSubWindow) { |
| ERR("%s: Cannot remove native sub-window in this configuration\n", |
| __FUNCTION__); |
| return false; |
| } |
| bool removed = false; |
| m_lock.lock(); |
| if (m_subWin) { |
| s_egl.eglMakeCurrent(m_eglDisplay, NULL, NULL, NULL); |
| s_egl.eglDestroySurface(m_eglDisplay, m_eglSurface); |
| destroySubWindow(m_subWin); |
| |
| m_eglSurface = EGL_NO_SURFACE; |
| m_subWin = (EGLNativeWindowType)0; |
| removed = true; |
| } |
| m_lock.unlock(); |
| return removed; |
| } |
| |
| HandleType FrameBuffer::genHandle() |
| { |
| HandleType id; |
| do { |
| id = ++s_nextHandle; |
| } while( id == 0 || |
| m_contexts.find(id) != m_contexts.end() || |
| m_windows.find(id) != m_windows.end() ); |
| |
| return id; |
| } |
| |
| HandleType FrameBuffer::createColorBuffer(int p_width, int p_height, |
| GLenum p_internalFormat) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| HandleType ret = 0; |
| |
| ColorBufferPtr cb(ColorBuffer::create( |
| getDisplay(), |
| p_width, |
| p_height, |
| p_internalFormat, |
| getCaps().has_eglimage_texture_2d, |
| m_colorBufferHelper)); |
| if (cb.get() != NULL) { |
| ret = genHandle(); |
| m_colorbuffers[ret].cb = cb; |
| m_colorbuffers[ret].refcount = 1; |
| } |
| return ret; |
| } |
| |
| HandleType FrameBuffer::createRenderContext(int p_config, HandleType p_share, |
| bool p_isGL2) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| HandleType ret = 0; |
| |
| const FbConfig* config = getConfigs()->get(p_config); |
| if (!config) { |
| return ret; |
| } |
| |
| RenderContextPtr share(NULL); |
| if (p_share != 0) { |
| RenderContextMap::iterator s(m_contexts.find(p_share)); |
| if (s == m_contexts.end()) { |
| return ret; |
| } |
| share = (*s).second; |
| } |
| EGLContext sharedContext = |
| share.get() ? share->getEGLContext() : EGL_NO_CONTEXT; |
| |
| RenderContextPtr rctx(RenderContext::create( |
| m_eglDisplay, config->getEglConfig(), sharedContext, p_isGL2)); |
| if (rctx.get() != NULL) { |
| ret = genHandle(); |
| m_contexts[ret] = rctx; |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| tinfo->m_contextSet.insert(ret); |
| } |
| return ret; |
| } |
| |
| HandleType FrameBuffer::createWindowSurface(int p_config, int p_width, int p_height) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| HandleType ret = 0; |
| |
| const FbConfig* config = getConfigs()->get(p_config); |
| if (!config) { |
| return ret; |
| } |
| |
| WindowSurfacePtr win(WindowSurface::create( |
| getDisplay(), config->getEglConfig(), p_width, p_height)); |
| if (win.get() != NULL) { |
| ret = genHandle(); |
| m_windows[ret] = std::pair<WindowSurfacePtr, HandleType>(win,0); |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| tinfo->m_windowSet.insert(ret); |
| } |
| |
| return ret; |
| } |
| |
| void FrameBuffer::drainRenderContext() |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| if (tinfo->m_contextSet.empty()) return; |
| for (std::set<HandleType>::iterator it = tinfo->m_contextSet.begin(); |
| it != tinfo->m_contextSet.end(); ++it) { |
| HandleType contextHandle = *it; |
| m_contexts.erase(contextHandle); |
| } |
| tinfo->m_contextSet.clear(); |
| } |
| |
| void FrameBuffer::drainWindowSurface() |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| if (tinfo->m_windowSet.empty()) return; |
| for (std::set<HandleType>::iterator it = tinfo->m_windowSet.begin(); |
| it != tinfo->m_windowSet.end(); ++it) { |
| HandleType windowHandle = *it; |
| if (m_windows.find(windowHandle) != m_windows.end()) { |
| HandleType oldColorBufferHandle = m_windows[windowHandle].second; |
| if (oldColorBufferHandle) { |
| ColorBufferMap::iterator cit(m_colorbuffers.find(oldColorBufferHandle)); |
| if (cit != m_colorbuffers.end()) { |
| if (--(*cit).second.refcount == 0) { m_colorbuffers.erase(cit); } |
| } |
| } |
| m_windows.erase(windowHandle); |
| } |
| } |
| tinfo->m_windowSet.clear(); |
| } |
| |
| void FrameBuffer::DestroyRenderContext(HandleType p_context) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| m_contexts.erase(p_context); |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| if (tinfo->m_contextSet.empty()) return; |
| tinfo->m_contextSet.erase(p_context); |
| } |
| |
| void FrameBuffer::DestroyWindowSurface(HandleType p_surface) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| if (m_windows.find(p_surface) != m_windows.end()) { |
| m_windows.erase(p_surface); |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| if (tinfo->m_windowSet.empty()) return; |
| tinfo->m_windowSet.erase(p_surface); |
| } |
| } |
| |
| int FrameBuffer::openColorBuffer(HandleType p_colorbuffer) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| ColorBufferMap::iterator c(m_colorbuffers.find(p_colorbuffer)); |
| if (c == m_colorbuffers.end()) { |
| // bad colorbuffer handle |
| ERR("FB: openColorBuffer cb handle %#x not found\n", p_colorbuffer); |
| return -1; |
| } |
| (*c).second.refcount++; |
| return 0; |
| } |
| |
| void FrameBuffer::closeColorBuffer(HandleType p_colorbuffer) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| ColorBufferMap::iterator c(m_colorbuffers.find(p_colorbuffer)); |
| if (c == m_colorbuffers.end()) { |
| // This is harmless: it is normal for guest system to issue |
| // closeColorBuffer command when the color buffer is already |
| // garbage collected on the host. (we dont have a mechanism |
| // to give guest a notice yet) |
| return; |
| } |
| if (--(*c).second.refcount == 0) { |
| m_colorbuffers.erase(c); |
| } |
| } |
| |
| bool FrameBuffer::flushWindowSurfaceColorBuffer(HandleType p_surface) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| WindowSurfaceMap::iterator w( m_windows.find(p_surface) ); |
| if (w == m_windows.end()) { |
| ERR("FB::flushWindowSurfaceColorBuffer: window handle %#x not found\n", p_surface); |
| // bad surface handle |
| return false; |
| } |
| |
| WindowSurface* surface = (*w).second.first.get(); |
| surface->flushColorBuffer(); |
| |
| return true; |
| } |
| |
| bool FrameBuffer::setWindowSurfaceColorBuffer(HandleType p_surface, |
| HandleType p_colorbuffer) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| WindowSurfaceMap::iterator w( m_windows.find(p_surface) ); |
| if (w == m_windows.end()) { |
| // bad surface handle |
| ERR("%s: bad window surface handle %#x\n", __FUNCTION__, p_surface); |
| return false; |
| } |
| |
| ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) ); |
| if (c == m_colorbuffers.end()) { |
| DBG("%s: bad color buffer handle %#x\n", __FUNCTION__, p_colorbuffer); |
| // bad colorbuffer handle |
| return false; |
| } |
| |
| (*w).second.first->setColorBuffer((*c).second.cb); |
| (*w).second.second = p_colorbuffer; |
| return true; |
| } |
| |
| void FrameBuffer::readColorBuffer(HandleType p_colorbuffer, |
| int x, int y, int width, int height, |
| GLenum format, GLenum type, void *pixels) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) ); |
| if (c == m_colorbuffers.end()) { |
| // bad colorbuffer handle |
| return; |
| } |
| |
| (*c).second.cb->readPixels(x, y, width, height, format, type, pixels); |
| } |
| |
| bool FrameBuffer::updateColorBuffer(HandleType p_colorbuffer, |
| int x, int y, int width, int height, |
| GLenum format, GLenum type, void *pixels) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) ); |
| if (c == m_colorbuffers.end()) { |
| // bad colorbuffer handle |
| return false; |
| } |
| |
| (*c).second.cb->subUpdate(x, y, width, height, format, type, pixels); |
| |
| return true; |
| } |
| |
| bool FrameBuffer::bindColorBufferToTexture(HandleType p_colorbuffer) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) ); |
| if (c == m_colorbuffers.end()) { |
| // bad colorbuffer handle |
| return false; |
| } |
| |
| return (*c).second.cb->bindToTexture(); |
| } |
| |
| bool FrameBuffer::bindColorBufferToRenderbuffer(HandleType p_colorbuffer) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) ); |
| if (c == m_colorbuffers.end()) { |
| // bad colorbuffer handle |
| return false; |
| } |
| |
| return (*c).second.cb->bindToRenderbuffer(); |
| } |
| |
| bool FrameBuffer::bindContext(HandleType p_context, |
| HandleType p_drawSurface, |
| HandleType p_readSurface) |
| { |
| emugl::Mutex::AutoLock mutex(m_lock); |
| |
| WindowSurfacePtr draw(NULL), read(NULL); |
| RenderContextPtr ctx(NULL); |
| |
| // |
| // if this is not an unbind operation - make sure all handles are good |
| // |
| if (p_context || p_drawSurface || p_readSurface) { |
| RenderContextMap::iterator r( m_contexts.find(p_context) ); |
| if (r == m_contexts.end()) { |
| // bad context handle |
| return false; |
| } |
| |
| ctx = (*r).second; |
| WindowSurfaceMap::iterator w( m_windows.find(p_drawSurface) ); |
| if (w == m_windows.end()) { |
| // bad surface handle |
| return false; |
| } |
| draw = (*w).second.first; |
| |
| if (p_readSurface != p_drawSurface) { |
| WindowSurfaceMap::iterator w( m_windows.find(p_readSurface) ); |
| if (w == m_windows.end()) { |
| // bad surface handle |
| return false; |
| } |
| read = (*w).second.first; |
| } |
| else { |
| read = draw; |
| } |
| } |
| |
| if (!s_egl.eglMakeCurrent(m_eglDisplay, |
| draw ? draw->getEGLSurface() : EGL_NO_SURFACE, |
| read ? read->getEGLSurface() : EGL_NO_SURFACE, |
| ctx ? ctx->getEGLContext() : EGL_NO_CONTEXT)) { |
| ERR("eglMakeCurrent failed\n"); |
| return false; |
| } |
| |
| // |
| // Bind the surface(s) to the context |
| // |
| RenderThreadInfo *tinfo = RenderThreadInfo::get(); |
| WindowSurfacePtr bindDraw, bindRead; |
| if (draw.get() == NULL && read.get() == NULL) { |
| // Unbind the current read and draw surfaces from the context |
| bindDraw = tinfo->currDrawSurf; |
| bindRead = tinfo->currReadSurf; |
| } else { |
| bindDraw = draw; |
| bindRead = read; |
| } |
| |
| if (bindDraw.get() != NULL && bindRead.get() != NULL) { |
| if (bindDraw.get() != bindRead.get()) { |
| bindDraw->bind(ctx, WindowSurface::BIND_DRAW); |
| bindRead->bind(ctx, WindowSurface::BIND_READ); |
| } |
| else { |
| bindDraw->bind(ctx, WindowSurface::BIND_READDRAW); |
| } |
| } |
| |
| // |
| // update thread info with current bound context |
| // |
| tinfo->currContext = ctx; |
| tinfo->currDrawSurf = draw; |
| tinfo->currReadSurf = read; |
| if (ctx) { |
| if (ctx->isGL2()) tinfo->m_gl2Dec.setContextData(&ctx->decoderContextData()); |
| else tinfo->m_glDec.setContextData(&ctx->decoderContextData()); |
| } |
| else { |
| tinfo->m_glDec.setContextData(NULL); |
| tinfo->m_gl2Dec.setContextData(NULL); |
| } |
| return true; |
| } |
| |
| HandleType FrameBuffer::createClientImage(HandleType context, EGLenum target, GLuint buffer) |
| { |
| RenderContextPtr ctx(NULL); |
| |
| if (context) { |
| RenderContextMap::iterator r( m_contexts.find(context) ); |
| if (r == m_contexts.end()) { |
| // bad context handle |
| return false; |
| } |
| |
| ctx = (*r).second; |
| } |
| |
| EGLContext eglContext = ctx ? ctx->getEGLContext() : EGL_NO_CONTEXT; |
| EGLImageKHR image = s_egl.eglCreateImageKHR(m_eglDisplay, eglContext, target, (EGLClientBuffer)buffer, NULL); |
| |
| return (HandleType)reinterpret_cast<uintptr_t>(image); |
| } |
| |
| EGLBoolean FrameBuffer::destroyClientImage(HandleType image) |
| { |
| return s_egl.eglDestroyImageKHR(m_eglDisplay, (EGLImageKHR)image); |
| } |
| |
| // |
| // The framebuffer lock should be held when calling this function ! |
| // |
| bool FrameBuffer::bind_locked() |
| { |
| EGLContext prevContext = s_egl.eglGetCurrentContext(); |
| EGLSurface prevReadSurf = s_egl.eglGetCurrentSurface(EGL_READ); |
| EGLSurface prevDrawSurf = s_egl.eglGetCurrentSurface(EGL_DRAW); |
| |
| if (!s_egl.eglMakeCurrent(m_eglDisplay, m_pbufSurface, |
| m_pbufSurface, m_pbufContext)) { |
| ERR("eglMakeCurrent failed\n"); |
| return false; |
| } |
| |
| m_prevContext = prevContext; |
| m_prevReadSurf = prevReadSurf; |
| m_prevDrawSurf = prevDrawSurf; |
| return true; |
| } |
| |
| bool FrameBuffer::bindSubwin_locked() |
| { |
| EGLContext prevContext = s_egl.eglGetCurrentContext(); |
| EGLSurface prevReadSurf = s_egl.eglGetCurrentSurface(EGL_READ); |
| EGLSurface prevDrawSurf = s_egl.eglGetCurrentSurface(EGL_DRAW); |
| |
| if (!s_egl.eglMakeCurrent(m_eglDisplay, m_eglSurface, |
| m_eglSurface, m_eglContext)) { |
| ERR("eglMakeCurrent failed\n"); |
| return false; |
| } |
| |
| // |
| // initialize GL state in eglContext if not yet initilaized |
| // |
| if (!m_eglContextInitialized) { |
| m_eglContextInitialized = true; |
| } |
| |
| m_prevContext = prevContext; |
| m_prevReadSurf = prevReadSurf; |
| m_prevDrawSurf = prevDrawSurf; |
| return true; |
| } |
| |
| bool FrameBuffer::unbind_locked() |
| { |
| if (!s_egl.eglMakeCurrent(m_eglDisplay, m_prevDrawSurf, |
| m_prevReadSurf, m_prevContext)) { |
| return false; |
| } |
| |
| m_prevContext = EGL_NO_CONTEXT; |
| m_prevReadSurf = EGL_NO_SURFACE; |
| m_prevDrawSurf = EGL_NO_SURFACE; |
| return true; |
| } |
| |
| bool FrameBuffer::post(HandleType p_colorbuffer, bool needLock) |
| { |
| if (needLock) { |
| m_lock.lock(); |
| } |
| bool ret = false; |
| |
| ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) ); |
| if (c == m_colorbuffers.end()) { |
| goto EXIT; |
| } |
| |
| m_lastPostedColorBuffer = p_colorbuffer; |
| |
| if (m_subWin) { |
| // bind the subwindow eglSurface |
| if (!bindSubwin_locked()) { |
| ERR("FrameBuffer::post(): eglMakeCurrent failed\n"); |
| goto EXIT; |
| } |
| |
| // get the viewport |
| GLint vp[4]; |
| s_gles2.glGetIntegerv(GL_VIEWPORT, vp); |
| |
| // divide by device pixel ratio because windowing coordinates ignore DPR, |
| // but the framebuffer includes DPR |
| vp[2] = vp[2] / m_dpr; |
| vp[3] = vp[3] / m_dpr; |
| |
| // find the x and y values at the origin when "fully scrolled" |
| // multiply by 2 because the texture goes from -1 to 1, not 0 to 1 |
| float fx = 2.f * (vp[2] - m_windowWidth) / (float) vp[2]; |
| float fy = 2.f * (vp[3] - m_windowHeight) / (float) vp[3]; |
| |
| // finally, compute translation values |
| float dx = m_px * fx; |
| float dy = m_py * fy; |
| |
| // |
| // render the color buffer to the window |
| // |
| if (m_zRot != 0.0f) { |
| s_gles2.glClear(GL_COLOR_BUFFER_BIT); |
| } |
| ret = (*c).second.cb->post(m_zRot, dx, dy); |
| if (ret) { |
| s_egl.eglSwapBuffers(m_eglDisplay, m_eglSurface); |
| } |
| |
| // restore previous binding |
| unbind_locked(); |
| } else { |
| // If there is no sub-window, don't display anything, the client will |
| // rely on m_onPost to get the pixels instead. |
| ret = true; |
| } |
| |
| // |
| // output FPS statistics |
| // |
| if (m_fpsStats) { |
| long long currTime = GetCurrentTimeMS(); |
| m_statsNumFrames++; |
| if (currTime - m_statsStartTime >= 1000) { |
| float dt = (float)(currTime - m_statsStartTime) / 1000.0f; |
| printf("FPS: %5.3f\n", (float)m_statsNumFrames / dt); |
| m_statsStartTime = currTime; |
| m_statsNumFrames = 0; |
| } |
| } |
| |
| // |
| // Send framebuffer (without FPS overlay) to callback |
| // |
| if (m_onPost) { |
| (*c).second.cb->readback(m_fbImage); |
| m_onPost(m_onPostContext, |
| m_framebufferWidth, |
| m_framebufferHeight, |
| -1, |
| GL_RGBA, |
| GL_UNSIGNED_BYTE, |
| m_fbImage); |
| } |
| |
| EXIT: |
| if (needLock) { |
| m_lock.unlock(); |
| } |
| return ret; |
| } |
| |
| bool FrameBuffer::repost() { |
| if (m_lastPostedColorBuffer) { |
| return post(m_lastPostedColorBuffer); |
| } |
| return false; |
| } |
