1 files changed, 0 insertions, 248 deletions
diff --git a/Source/WebCore/platform/graphics/android/SharedTexture.cpp b/Source/WebCore/platform/graphics/android/SharedTexture.cpp
deleted file mode 100644
index 429c589..0000000
--- a/Source/WebCore/platform/graphics/android/SharedTexture.cpp
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * Copyright 2010, The Android Open Source Project
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "SharedTexture.h"
-
-#include "GLUtils.h"
-#include <android/native_window.h>
-#include <gui/SurfaceTexture.h>
-#include <gui/SurfaceTextureClient.h>
-
-#define LOG_NDEBUG 1
-#define LOG_TAG "SharedTexture.cpp"
-#include <utils/Log.h>
-
-namespace WebCore {
-
-SharedTexture::SharedTexture(SharedTextureMode mode)
-{
-    m_sharedTextureMode = mode;
-
-    m_sourceTexture = new TextureInfo(m_sharedTextureMode);
-    m_targetTexture = 0;
-
-    if (m_sharedTextureMode == EglImageMode) {
-        m_targetTexture = new TextureInfo(m_sharedTextureMode);
-        m_eglImage = EGL_NO_IMAGE_KHR;
-        m_isNewImage = true;
-        m_syncObject = EGL_NO_SYNC_KHR;
-
-        // Defer initialization of these values until we initialize the source
-        // texture. This ensures that this initialization happens in the appropriate
-        // thread.
-        m_display = 0;
-        m_supportsEGLImage = false;
-        m_supportsEGLFenceSyncKHR = false;
-    } else if (m_sharedTextureMode == SurfaceTextureMode) {
-#if DEPRECATED_SURFACE_TEXTURE_MODE
-        glGenTextures(1, &m_sourceTexture->m_textureId);
-
-        m_sourceTexture->m_surfaceTexture =
-            new android::SurfaceTexture(m_sourceTexture->m_textureId, false);
-        m_sourceTexture->m_ANW =
-            new android::SurfaceTextureClient(m_sourceTexture->m_surfaceTexture);
-#endif
-    }
-}
-
-// called by the consumer when it no longer wants to consume and after it has
-// terminated all providers. If EGLImages are used, the deletion of the
-// source texture and EGLImage is the responsibility of the caller.
-SharedTexture::~SharedTexture()
-{
-    if (m_sharedTextureMode == EglImageMode)
-        deleteTargetTexture();
-    else if (m_sharedTextureMode == SurfaceTextureMode) {
-#if DEPRECATED_SURFACE_TEXTURE_MODE
-        m_sourceTexture->m_surfaceTexture.clear();
-        m_sourceTexture->m_ANW.clear();
-        GLUtils::deleteTexture(&m_sourceTexture->m_textureId);
-#endif
-    }
-    delete m_sourceTexture;
-    delete m_targetTexture;
-}
-
-
-void SharedTexture::initSourceTexture()
-{
-    if (m_sharedTextureMode == SurfaceTextureMode)
-        return;
-
-    m_display = eglGetCurrentDisplay();
-    m_supportsEGLImage = GLUtils::isEGLImageSupported();
-    m_supportsEGLFenceSyncKHR = GLUtils::isEGLFenceSyncSupported();
-
-    // TODO temporarily disable fence sync until the EGL framework fixes
-    // performance issues that result from consistently adding/removing fences.
-    m_supportsEGLFenceSyncKHR = false;
-
-    LOGI("imageEGL: %d syncKHR: %d", m_supportsEGLImage, m_supportsEGLFenceSyncKHR);
-
-    glGenTextures(1, &m_sourceTexture->m_textureId);
-
-}
-
-// For MediaTexture only
-void SharedTexture::deleteSourceTexture()
-{
-    if (m_sharedTextureMode == SurfaceTextureMode)
-        return;
-    // We need to delete the source texture and EGLImage in the thread in which
-    // it was created. In theory we should be able to delete the EGLImage
-    // from either thread, but it currently throws an error if not deleted
-    // in the same EGLContext from which it was created.
-    if (m_supportsEGLImage) {
-        GLUtils::deleteTexture(&m_sourceTexture->m_textureId);
-        if (m_eglImage != EGL_NO_IMAGE_KHR) {
-            eglDestroyImageKHR(eglGetCurrentDisplay(), m_eglImage);
-            m_eglImage = EGL_NO_IMAGE_KHR;
-            m_isNewImage = true;
-        }
-        LOGI("Deleted Source Texture and EGLImage");
-    }
-}
-
-// For MediaTexture only
-void SharedTexture::deleteTargetTexture()
-{
-    if (m_sharedTextureMode == SurfaceTextureMode)
-        return;
-
-    if (m_supportsEGLImage)
-        GLUtils::deleteTexture(&m_targetTexture->m_textureId);
-    else
-        GLUtils::deleteTexture(&m_sourceTexture->m_textureId);
-}
-
-TextureInfo* SharedTexture::lockSource()
-{
-    if (m_sharedTextureMode == SurfaceTextureMode)
-        return m_sourceTexture;
-
-    m_lock.lock();
-
-    if (m_supportsEGLFenceSyncKHR && m_syncObject != EGL_NO_SYNC_KHR) {
-
-        EGLint status = eglClientWaitSyncKHR(m_display, m_syncObject, 0, 1000000);
-
-        if (status == EGL_TIMEOUT_EXPIRED_KHR)
-            LOGE("Sync timeout for shared texture (%d)", m_sourceTexture->m_textureId);
-
-        eglDestroySyncKHR(m_display, m_syncObject);
-        m_syncObject = EGL_NO_SYNC_KHR;
-    }
-    return m_sourceTexture;
-}
-
-void SharedTexture::releaseSource()
-{
-    if (m_sharedTextureMode == SurfaceTextureMode)
-        return;
-
-    if (m_supportsEGLImage) {
-        // delete the existing image if needed
-        if (!m_sourceTexture->equalsAttributes(m_targetTexture)) {
-            if (m_eglImage != EGL_NO_IMAGE_KHR) {
-                eglDestroyImageKHR(m_display, m_eglImage);
-                m_eglImage = EGL_NO_IMAGE_KHR;
-                m_isNewImage = true;
-            }
-            m_targetTexture->copyAttributes(m_sourceTexture);
-        }
-
-        // create an image from the texture, only when the texture is valid
-        if (m_eglImage == EGL_NO_IMAGE_KHR && m_sourceTexture->m_width
-            && m_sourceTexture->m_height) {
-            GLUtils::createEGLImageFromTexture(m_sourceTexture->m_textureId, &m_eglImage);
-            ALOGV("Generating Image (%d) 0x%x", m_sourceTexture->m_textureId, m_eglImage);
-
-            glFinish(); // ensures the texture is ready to be used by the consumer
-        }
-
-    } else {
-
-        m_targetTexture = m_sourceTexture;
-
-        // in the case of shared contexts we must flush the texture edits to the
-        // GPU. This ensures the edits complete prior to allowing the texture to
-        // be bound on the producers context.
-        glFlush();
-    }
-
-    m_lock.unlock();
-}
-
-TextureInfo* SharedTexture::lockTarget()
-{
-    // Note that the source and targe are the same when using Surface Texture.
-    if (m_sharedTextureMode == SurfaceTextureMode) {
-#if DEPRECATED_SURFACE_TEXTURE_MODE
-        m_sourceTexture->m_surfaceTexture->updateTexImage();
-#endif
-        return m_sourceTexture;
-    }
-
-    m_lock.lock();
-
-    if ((!m_supportsEGLImage && m_targetTexture->m_textureId == GL_NO_TEXTURE)
-        || (m_supportsEGLImage && m_eglImage == EGL_NO_IMAGE_KHR)) {
-        m_lock.unlock();
-        return 0;
-    }
-
-    if (m_supportsEGLImage && (m_isNewImage || m_targetTexture->m_textureId == GL_NO_TEXTURE)) {
-        if (m_targetTexture->m_textureId == GL_NO_TEXTURE)
-            glGenTextures(1, &m_targetTexture->m_textureId);
-
-        GLUtils::createTextureFromEGLImage(m_targetTexture->m_textureId, m_eglImage);
-        ALOGV("Generating Consumer Texture from 0x%x", m_eglImage);
-        m_isNewImage = false;
-    }
-    return m_targetTexture;
-}
-
-void SharedTexture::releaseTarget()
-{
-    if (m_sharedTextureMode == SurfaceTextureMode)
-        return;
-
-    if (m_supportsEGLFenceSyncKHR) {
-        if (m_syncObject != EGL_NO_SYNC_KHR)
-            eglDestroySyncKHR(m_display, m_syncObject);
-        m_syncObject = eglCreateSyncKHR(m_display, EGL_SYNC_FENCE_KHR, 0);
-    } else {
-        // TODO the flush currently prevents the screen from getting partial
-        // updates but the only way to guarantee this is to call glFinish. Until
-        // we support an EGL sync we will leave flush enable in order to test
-        // with modest performance.
-        glFlush();
-    }
-
-    m_lock.unlock();
-}
-
-} // namespace WebCore