| /* |
| * Copyright (C) 2011, 2012, 2017 Igalia S.L. |
| * Copyright (C) 2020 Sony Interactive Entertainment Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free |
| * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| #include "TextureMapperGCGLPlatformLayer.h" |
| |
| #if ENABLE(WEBGL) && USE(TEXTURE_MAPPER) && !USE(NICOSIA) |
| |
| #include "ANGLEContext.h" |
| #include "ANGLEHeaders.h" |
| #include "BitmapTextureGL.h" |
| #include "GLContext.h" |
| #include "TextureMapperGLHeaders.h" |
| #include "TextureMapperPlatformLayerBuffer.h" |
| #include "TextureMapperPlatformLayerProxy.h" |
| |
| namespace WebCore { |
| |
| TextureMapperGCGLPlatformLayer::TextureMapperGCGLPlatformLayer(GraphicsContextGLOpenGL& context) |
| : m_context(context) |
| { |
| auto sharingContext = PlatformDisplay::sharedDisplayForCompositing().sharingGLContext()->platformContext(); |
| #if ENABLE(WEBGL2) |
| m_glContext = ANGLEContext::createContext(sharingContext, context.contextAttributes().webGLVersion == GraphicsContextGLWebGLVersion::WebGL2); |
| #else |
| m_glContext = ANGLEContext::createContext(sharingContext, false); |
| #endif |
| |
| #if USE(COORDINATED_GRAPHICS) |
| m_platformLayerProxy = adoptRef(new TextureMapperPlatformLayerProxy()); |
| #endif |
| } |
| |
| TextureMapperGCGLPlatformLayer::~TextureMapperGCGLPlatformLayer() |
| { |
| #if !USE(COORDINATED_GRAPHICS) |
| if (client()) |
| client()->platformLayerWillBeDestroyed(); |
| #endif |
| } |
| |
| bool TextureMapperGCGLPlatformLayer::makeContextCurrent() |
| { |
| ASSERT(m_glContext); |
| return m_glContext->makeContextCurrent(); |
| } |
| |
| PlatformGraphicsContextGL TextureMapperGCGLPlatformLayer::platformContext() const |
| { |
| ASSERT(m_glContext); |
| return m_glContext->platformContext(); |
| } |
| |
| #if USE(COORDINATED_GRAPHICS) |
| RefPtr<TextureMapperPlatformLayerProxy> TextureMapperGCGLPlatformLayer::proxy() const |
| { |
| return m_platformLayerProxy.copyRef(); |
| } |
| |
| void TextureMapperGCGLPlatformLayer::swapBuffersIfNeeded() |
| { |
| if (m_context.layerComposited()) |
| return; |
| |
| m_context.prepareTexture(); |
| IntSize textureSize(m_context.m_currentWidth, m_context.m_currentHeight); |
| TextureMapperGL::Flags flags = TextureMapperGL::ShouldFlipTexture | (m_context.m_attrs.alpha ? TextureMapperGL::ShouldBlend : 0); |
| |
| { |
| Locker locker { m_platformLayerProxy->lock() }; |
| m_platformLayerProxy->pushNextBuffer(makeUnique<TextureMapperPlatformLayerBuffer>(m_context.m_compositorTexture, textureSize, flags, m_context.m_internalColorFormat)); |
| } |
| |
| m_context.markLayerComposited(); |
| } |
| #else |
| void TextureMapperGCGLPlatformLayer::paintToTextureMapper(TextureMapper& textureMapper, const FloatRect& targetRect, const TransformationMatrix& matrix, float opacity) |
| { |
| ASSERT(m_glContext); |
| |
| m_context.markLayerComposited(); |
| |
| #if USE(TEXTURE_MAPPER_GL) |
| auto attrs = m_context.contextAttributes(); |
| ASSERT(m_context.m_state.boundReadFBO == m_context.m_state.boundDrawFBO); |
| if (attrs.antialias && m_context.m_state.boundDrawFBO == m_context.m_multisampleFBO) { |
| GLContext* previousActiveContext = GLContext::current(); |
| m_context.makeContextCurrent(); |
| |
| m_context.resolveMultisamplingIfNecessary(); |
| gl::BindFramebuffer(GL_FRAMEBUFFER, m_context.m_state.boundDrawFBO); |
| |
| if (previousActiveContext) |
| previousActiveContext->makeContextCurrent(); |
| } |
| |
| TextureMapperGL& texmapGL = static_cast<TextureMapperGL&>(textureMapper); |
| TextureMapperGL::Flags flags = TextureMapperGL::ShouldFlipTexture | (attrs.alpha ? TextureMapperGL::ShouldBlend : 0); |
| IntSize textureSize(m_context.m_currentWidth, m_context.m_currentHeight); |
| texmapGL.drawTexture(m_context.m_texture, flags, textureSize, targetRect, matrix, opacity); |
| #endif // USE(TEXTURE_MAPPER_GL) |
| } |
| #endif // USE(COORDINATED_GRAPHICS) |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGL) && USE(TEXTURE_MAPPER) |