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author | Ben Murdoch <benm@google.com> | 2011-05-24 11:24:40 +0100 |
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committer | Ben Murdoch <benm@google.com> | 2011-06-02 09:53:15 +0100 |
commit | 81bc750723a18f21cd17d1b173cd2a4dda9cea6e (patch) | |
tree | 7a9e5ed86ff429fd347a25153107221543909b19 /Source/WebCore/platform/graphics/gpu/qt | |
parent | 94088a6d336c1dd80a1e734af51e96abcbb689a7 (diff) | |
download | external_webkit-81bc750723a18f21cd17d1b173cd2a4dda9cea6e.zip external_webkit-81bc750723a18f21cd17d1b173cd2a4dda9cea6e.tar.gz external_webkit-81bc750723a18f21cd17d1b173cd2a4dda9cea6e.tar.bz2 |
Merge WebKit at r80534: Intial merge by Git
Change-Id: Ia7a83357124c9e1cdb1debf55d9661ec0bd09a61
Diffstat (limited to 'Source/WebCore/platform/graphics/gpu/qt')
-rw-r--r-- | Source/WebCore/platform/graphics/gpu/qt/DrawingBufferQt.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/gpu/qt/DrawingBufferQt.cpp b/Source/WebCore/platform/graphics/gpu/qt/DrawingBufferQt.cpp new file mode 100644 index 0000000..b8c3b3d --- /dev/null +++ b/Source/WebCore/platform/graphics/gpu/qt/DrawingBufferQt.cpp @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2011 Andrew Wason (rectalogic@rectalogic.com) + * + * 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 APPLE INC. ``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 APPLE COMPUTER, INC. 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(ACCELERATED_2D_CANVAS) || ENABLE(WEBGL) + +#include "DrawingBuffer.h" + +namespace WebCore { + +DrawingBuffer::DrawingBuffer(GraphicsContext3D* context, + const IntSize& size, + bool multisampleExtensionSupported, + bool packedDepthStencilExtensionSupported) + : m_context(context) + , m_size(-1, -1) + , m_multisampleExtensionSupported(multisampleExtensionSupported) + , m_packedDepthStencilExtensionSupported(packedDepthStencilExtensionSupported) + , m_fbo(context->createFramebuffer()) + , m_colorBuffer(0) + , m_depthStencilBuffer(0) + , m_depthBuffer(0) + , m_stencilBuffer(0) + , m_multisampleFBO(0) + , m_multisampleColorBuffer(0) +{ + ASSERT(m_fbo); + if (!m_fbo) { + clear(); + return; + } + + // create a texture to render into + m_colorBuffer = context->createTexture(); + context->bindTexture(GraphicsContext3D::TEXTURE_2D, m_colorBuffer); + context->texParameterf(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MAG_FILTER, GraphicsContext3D::LINEAR); + context->texParameterf(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MIN_FILTER, GraphicsContext3D::LINEAR); + context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_S, GraphicsContext3D::CLAMP_TO_EDGE); + context->texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_WRAP_T, GraphicsContext3D::CLAMP_TO_EDGE); + context->bindTexture(GraphicsContext3D::TEXTURE_2D, 0); + + // Create the FBO + m_fbo = context->createFramebuffer(); + ASSERT(m_fbo); + if (!m_fbo) { + clear(); + return; + } + + createSecondaryBuffers(); + reset(size); +} + +DrawingBuffer::~DrawingBuffer() +{ + clear(); +} + +void DrawingBuffer::didReset() +{ +} + +#if USE(ACCELERATED_COMPOSITING) +PlatformLayer* DrawingBuffer::platformLayer() +{ + return 0; +} +#endif + +Platform3DObject DrawingBuffer::platformColorBuffer() const +{ + return m_colorBuffer; +} + +} + +#endif |