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/*
* Copyright (C) 2012 Sony Ericsson Mobile Communications AB
* Copyright (C) 2012 Sony Mobile Communications AB
*
* 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"
#if ENABLE(WEBGL)
#include "GraphicsContext3DProxy.h"
#include "GraphicsContext3DInternal.h"
namespace WebCore {
GraphicsContext3DProxy::GraphicsContext3DProxy()
: m_texture(0)
{
LOGWEBGL("GraphicsContext3DProxy::GraphicsContext3DProxy(), this = %p", this);
}
GraphicsContext3DProxy::~GraphicsContext3DProxy()
{
LOGWEBGL("GraphicsContext3DProxy::~GraphicsContext3DProxy(), this = %p", this);
}
void GraphicsContext3DProxy::setGraphicsContext(GraphicsContext3DInternal* context)
{
MutexLocker lock(m_mutex);
m_context = context;
}
bool GraphicsContext3DProxy::lockFrontBuffer(GLuint& texture, SkRect& rect)
{
MutexLocker lock(m_mutex);
if (!m_context) {
return false;
}
EGLImageKHR image;
bool locked = m_context->lockFrontBuffer(image, rect);
if (locked) {
if (m_texture == 0)
glGenTextures(1, &m_texture);
glBindTexture(GL_TEXTURE_EXTERNAL_OES, m_texture);
glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, image);
glBindTexture(GL_TEXTURE_EXTERNAL_OES, 0);
texture = m_texture;
}
return locked;
}
void GraphicsContext3DProxy::releaseFrontBuffer()
{
MutexLocker lock(m_mutex);
if (m_texture) {
glDeleteTextures(1, &m_texture);
m_texture = 0;
}
if (!m_context) {
return;
}
m_context->releaseFrontBuffer();
}
}
#endif // ENABLE(WEBGL)
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