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/*
* Copyright (C) 2015 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "TextureMapperPlatformLayerBuffer.h"
namespace WebCore {
TextureMapperPlatformLayerBuffer::TextureMapperPlatformLayerBuffer(RefPtr<BitmapTexture>&& texture)
: m_texture(WTFMove(texture))
, m_textureID(0)
, m_extraFlags(0)
, m_hasManagedTexture(true)
{
}
TextureMapperPlatformLayerBuffer::TextureMapperPlatformLayerBuffer(GLuint textureID, const IntSize& size, TextureMapperGL::Flags flags)
: m_textureID(textureID)
, m_size(size)
, m_extraFlags(flags)
, m_hasManagedTexture(false)
{
}
bool TextureMapperPlatformLayerBuffer::canReuseWithoutReset(const IntSize& size, GC3Dint internalFormat)
{
return m_texture && (m_texture->size() == size) && (static_cast<BitmapTextureGL*>(m_texture.get())->internalFormat() == internalFormat || internalFormat == GraphicsContext3D::DONT_CARE);
}
void TextureMapperPlatformLayerBuffer::paintToTextureMapper(TextureMapper& textureMapper, const FloatRect& targetRect, const TransformationMatrix& modelViewMatrix, float opacity)
{
if (m_hasManagedTexture) {
ASSERT(m_texture);
textureMapper.drawTexture(*m_texture, targetRect, modelViewMatrix, opacity);
return;
}
ASSERT(m_textureID);
TextureMapperGL& texmapGL = static_cast<TextureMapperGL&>(textureMapper);
texmapGL.drawTexture(m_textureID, m_extraFlags, m_size, targetRect, modelViewMatrix, opacity);
}
} // namespace WebCore
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