| /* |
| * Copyright (C) 2018 Metrological Group B.V. |
| * Copyright (C) 2018 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 "NicosiaGCGLLayer.h" |
| |
| #if ENABLE(WEBGL) && USE(NICOSIA) && USE(TEXTURE_MAPPER) && !USE(ANGLE) |
| |
| #if USE(COORDINATED_GRAPHICS) |
| #include "TextureMapperGL.h" |
| #include "TextureMapperPlatformLayerBuffer.h" |
| #include "TextureMapperPlatformLayerProxyGL.h" |
| #endif |
| |
| #include "GLContext.h" |
| |
| namespace Nicosia { |
| |
| using namespace WebCore; |
| |
| GCGLLayer::GCGLLayer(GraphicsContextGLOpenGL& context) |
| : m_context(context) |
| , m_contentLayer(Nicosia::ContentLayer::create(Nicosia::ContentLayerTextureMapperImpl::createFactory(*this))) |
| { |
| m_glContext = GLContext::createOffscreenContext(&PlatformDisplay::sharedDisplayForCompositing()); |
| } |
| |
| GCGLLayer::~GCGLLayer() |
| { |
| downcast<ContentLayerTextureMapperImpl>(m_contentLayer->impl()).invalidateClient(); |
| } |
| |
| bool GCGLLayer::makeContextCurrent() |
| { |
| ASSERT(m_glContext); |
| return m_glContext->makeContextCurrent(); |
| } |
| |
| GCGLContext GCGLLayer::platformContext() const |
| { |
| ASSERT(m_glContext); |
| return m_glContext->platformContext(); |
| } |
| |
| void GCGLLayer::swapBuffersIfNeeded() |
| { |
| #if USE(COORDINATED_GRAPHICS) |
| if (m_context.layerComposited()) |
| return; |
| |
| m_context.prepareTexture(); |
| IntSize textureSize(m_context.m_currentWidth, m_context.m_currentHeight); |
| |
| TextureMapperGL::Flags flags = TextureMapperGL::ShouldFlipTexture; |
| if (m_context.contextAttributes().alpha) |
| flags |= TextureMapperGL::ShouldBlend; |
| |
| { |
| auto& proxy = downcast<Nicosia::ContentLayerTextureMapperImpl>(m_contentLayer->impl()).proxy(); |
| Locker locker { proxy.lock() }; |
| ASSERT(is<TextureMapperPlatformLayerProxyGL>(proxy)); |
| downcast<TextureMapperPlatformLayerProxyGL>(proxy).pushNextBuffer(makeUnique<TextureMapperPlatformLayerBuffer>(m_context.m_compositorTexture, textureSize, flags, m_context.m_internalColorFormat)); |
| } |
| |
| m_context.markLayerComposited(); |
| #endif |
| } |
| |
| } // namespace Nicosia |
| |
| #endif // ENABLE(WEBGL) && USE(NICOSIA) && USE(TEXTURE_MAPPER) |