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/*
* Copyright (C) 2018 Metrological Group B.V.
* Copyright (C) 2018, 2019 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 AND CONTRIBUTORS
* "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
* HOLDER 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 "NicosiaGCGLANGLELayer.h"
#if USE(NICOSIA) && USE(TEXTURE_MAPPER)
#include "GraphicsContextGLTextureMapperANGLE.h"
#include "TextureMapperPlatformLayerBuffer.h"
#include "TextureMapperPlatformLayerProxyGL.h"
#include <epoxy/gl.h>
#if USE(ANGLE_GBM)
#include "GraphicsContextGLGBM.h"
#include "TextureMapperPlatformLayerProxyDMABuf.h"
#endif
namespace Nicosia {
using namespace WebCore;
void GCGLANGLELayer::swapBuffersIfNeeded()
{
auto& proxy = downcast<Nicosia::ContentLayerTextureMapperImpl>(contentLayer().impl()).proxy();
#if USE(ANGLE_GBM)
if (is<TextureMapperPlatformLayerProxyDMABuf>(proxy)) {
auto& swapchain = static_cast<GraphicsContextGLGBM&>(m_context).swapchain();
auto bo = WTFMove(swapchain.displayBO);
if (bo) {
Locker locker { proxy.lock() };
TextureMapperGL::Flags flags = TextureMapperGL::ShouldFlipTexture;
if (m_context.contextAttributes().alpha)
flags |= TextureMapperGL::ShouldBlend;
downcast<TextureMapperPlatformLayerProxyDMABuf>(proxy).pushDMABuf(
DMABufObject(reinterpret_cast<uintptr_t>(swapchain.swapchain.get()) + bo->handle()),
[&](auto&& object) {
return bo->createDMABufObject(object.handle);
}, flags);
}
return;
}
ASSERT(is<TextureMapperPlatformLayerProxyGL>(proxy));
#endif
TextureMapperGL::Flags flags = TextureMapperGL::ShouldFlipTexture;
GLint colorFormat;
if (m_context.contextAttributes().alpha) {
flags |= TextureMapperGL::ShouldBlend;
colorFormat = GL_RGBA;
} else
colorFormat = GL_RGB;
auto fboSize = m_context.getInternalFramebufferSize();
Locker locker { proxy.lock() };
auto layerBuffer = makeUnique<TextureMapperPlatformLayerBuffer>(static_cast<GraphicsContextGLTextureMapperANGLE&>(m_context).m_compositorTextureID, fboSize, flags, colorFormat);
downcast<TextureMapperPlatformLayerProxyGL>(proxy).pushNextBuffer(WTFMove(layerBuffer));
}
GCGLANGLELayer::GCGLANGLELayer(GraphicsContextGLTextureMapperANGLE& context)
: m_context(context)
, m_contentLayer(Nicosia::ContentLayer::create(Nicosia::ContentLayerTextureMapperImpl::createFactory(*this, adoptRef(*new TextureMapperPlatformLayerProxyGL))))
{
}
#if USE(ANGLE_GBM)
GCGLANGLELayer::GCGLANGLELayer(GraphicsContextGLGBM& context)
: m_context(context)
, m_contentLayer(Nicosia::ContentLayer::create(Nicosia::ContentLayerTextureMapperImpl::createFactory(*this, adoptRef(*new TextureMapperPlatformLayerProxyDMABuf))))
{
}
#endif
GCGLANGLELayer::~GCGLANGLELayer()
{
downcast<ContentLayerTextureMapperImpl>(m_contentLayer->impl()).invalidateClient();
}
} // namespace Nicosia
#endif // USE(NICOSIA) && USE(TEXTURE_MAPPER)
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