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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"
#if USE(COORDINATED_GRAPHICS)
#include "FloatRect.h"
#include "NotImplemented.h"
namespace WebCore {
TextureMapperPlatformLayerBuffer::TextureMapperPlatformLayerBuffer(RefPtr<BitmapTexture>&& texture, TextureMapperGL::Flags flags)
: m_variant(RGBTexture { 0 })
, m_texture(WTFMove(texture))
, m_extraFlags(flags)
, m_hasManagedTexture(true)
{
}
TextureMapperPlatformLayerBuffer::TextureMapperPlatformLayerBuffer(GLuint textureID, const IntSize& size, TextureMapperGL::Flags flags, GLint internalFormat)
: TextureMapperPlatformLayerBuffer({ RGBTexture { textureID } }, size, flags, internalFormat)
{
}
TextureMapperPlatformLayerBuffer::TextureMapperPlatformLayerBuffer(TextureVariant&& variant, const IntSize& size, TextureMapperGL::Flags flags, GLint internalFormat)
: m_variant(WTFMove(variant))
, m_size(size)
, m_internalFormat(internalFormat)
, m_extraFlags(flags)
, m_hasManagedTexture(false)
{
}
TextureMapperPlatformLayerBuffer::~TextureMapperPlatformLayerBuffer()
{
}
bool TextureMapperPlatformLayerBuffer::canReuseWithoutReset(const IntSize& size, GLint internalFormat)
{
return m_texture && (m_texture->size() == size) && (static_cast<BitmapTextureGL*>(m_texture.get())->internalFormat() == internalFormat || internalFormat == GL_DONT_CARE);
}
std::unique_ptr<TextureMapperPlatformLayerBuffer> TextureMapperPlatformLayerBuffer::clone()
{
if (m_hasManagedTexture) {
notImplemented();
return nullptr;
}
return WTF::switchOn(m_variant,
[&](const RGBTexture& texture) mutable -> std::unique_ptr<TextureMapperPlatformLayerBuffer> {
if (!texture.id) {
notImplemented();
return nullptr;
}
auto clonedTexture = BitmapTextureGL::create(TextureMapperContextAttributes::get(), TextureMapperGL::NoFlag, m_internalFormat);
clonedTexture->reset(m_size);
static_cast<BitmapTextureGL&>(clonedTexture.get()).copyFromExternalTexture(texture.id);
return makeUnique<TextureMapperPlatformLayerBuffer>(WTFMove(clonedTexture), m_extraFlags);
},
[](const YUVTexture&) -> std::unique_ptr<TextureMapperPlatformLayerBuffer>
{
notImplemented();
return nullptr;
},
[](const ExternalOESTexture&) -> std::unique_ptr<TextureMapperPlatformLayerBuffer>
{
notImplemented();
return nullptr;
});
}
void TextureMapperPlatformLayerBuffer::paintToTextureMapper(TextureMapper& textureMapper, const FloatRect& targetRect, const TransformationMatrix& modelViewMatrix, float opacity)
{
TextureMapperGL& texmapGL = static_cast<TextureMapperGL&>(textureMapper);
if (m_hasManagedTexture) {
ASSERT(m_texture);
BitmapTextureGL* textureGL = static_cast<BitmapTextureGL*>(m_texture.get());
texmapGL.drawTexture(textureGL->id(), m_extraFlags | textureGL->colorConvertFlags(), textureGL->size(), targetRect, modelViewMatrix, opacity);
return;
}
if (m_extraFlags & TextureMapperGL::ShouldNotBlend) {
ASSERT(!m_texture);
if (m_holePunchClient)
m_holePunchClient->setVideoRectangle(enclosingIntRect(modelViewMatrix.mapRect(targetRect)));
texmapGL.drawSolidColor(targetRect, modelViewMatrix, Color::transparentBlack, false);
return;
}
#if USE(GSTREAMER_GL)
if (m_unmanagedBufferDataHolder)
m_unmanagedBufferDataHolder->waitForCPUSync();
#endif // USE(GSTREAMER_GL)
WTF::switchOn(m_variant,
[&](const RGBTexture& texture) {
ASSERT(texture.id);
texmapGL.drawTexture(texture.id, m_extraFlags, m_size, targetRect, modelViewMatrix, opacity);
},
[&](const YUVTexture& texture) {
switch (texture.numberOfPlanes) {
case 1:
ASSERT(texture.yuvPlane[0] == texture.yuvPlane[1] && texture.yuvPlane[1] == texture.yuvPlane[2]);
ASSERT(texture.yuvPlaneOffset[0] == 2 && texture.yuvPlaneOffset[1] == 1 && !texture.yuvPlaneOffset[2]);
texmapGL.drawTexturePackedYUV(texture.planes[texture.yuvPlane[0]],
texture.yuvToRgbMatrix, m_extraFlags, m_size, targetRect, modelViewMatrix, opacity);
break;
case 2:
ASSERT(!texture.yuvPlaneOffset[0]);
texmapGL.drawTextureSemiPlanarYUV(std::array<GLuint, 2> { texture.planes[texture.yuvPlane[0]], texture.planes[texture.yuvPlane[1]] }, !!texture.yuvPlaneOffset[1],
texture.yuvToRgbMatrix, m_extraFlags, m_size, targetRect, modelViewMatrix, opacity);
break;
case 3:
ASSERT(!texture.yuvPlaneOffset[0] && !texture.yuvPlaneOffset[1] && !texture.yuvPlaneOffset[2]);
texmapGL.drawTexturePlanarYUV(std::array<GLuint, 3> { texture.planes[texture.yuvPlane[0]], texture.planes[texture.yuvPlane[1]], texture.planes[texture.yuvPlane[2]] },
texture.yuvToRgbMatrix, m_extraFlags, m_size, targetRect, modelViewMatrix, opacity, std::nullopt);
break;
case 4:
ASSERT(!texture.yuvPlaneOffset[0] && !texture.yuvPlaneOffset[1] && !texture.yuvPlaneOffset[2]);
texmapGL.drawTexturePlanarYUV(std::array<GLuint, 3> { texture.planes[texture.yuvPlane[0]], texture.planes[texture.yuvPlane[1]], texture.planes[texture.yuvPlane[2]] },
texture.yuvToRgbMatrix, m_extraFlags, m_size, targetRect, modelViewMatrix, opacity, texture.planes[texture.yuvPlane[3]]);
break;
}
},
[&](const ExternalOESTexture& texture) {
ASSERT(texture.id);
texmapGL.drawTextureExternalOES(texture.id, m_extraFlags, targetRect, modelViewMatrix, opacity);
});
}
} // namespace WebCore
#endif // USE(COORDINATED_GRAPHICS)
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