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C++ Extensions3D::renderbufferStorageMultisample方法代码示例

本文整理汇总了C++中Extensions3D::renderbufferStorageMultisample方法的典型用法代码示例。如果您正苦于以下问题:C++ Extensions3D::renderbufferStorageMultisample方法的具体用法?C++ Extensions3D::renderbufferStorageMultisample怎么用?C++ Extensions3D::renderbufferStorageMultisample使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Extensions3D的用法示例。


在下文中一共展示了Extensions3D::renderbufferStorageMultisample方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: resizeMultisampleBuffers

bool FECustomFilter::resizeMultisampleBuffers(const IntSize& newContextSize)
{
    if (!m_triedMultisampleBuffer && !createMultisampleBuffer())
        return false;

    if (!canUseMultisampleBuffers())
        return false;

    static const int kMaxSampleCount = 4;
    int maxSupportedSampleCount = 0;
    m_context->getIntegerv(Extensions3D::MAX_SAMPLES, &maxSupportedSampleCount);
    int sampleCount = std::min(kMaxSampleCount, maxSupportedSampleCount);
    if (!sampleCount) {
        deleteMultisampleRenderBuffers();
        return false;
    }

    Extensions3D* extensions = m_context->getExtensions();
    ASSERT(extensions);

    m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, m_multisampleFrameBuffer);

    m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, m_multisampleRenderBuffer);
    extensions->renderbufferStorageMultisample(GraphicsContext3D::RENDERBUFFER, sampleCount, Extensions3D::RGBA8_OES, newContextSize.width(), newContextSize.height());
    m_context->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::RENDERBUFFER, m_multisampleRenderBuffer);

    m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, m_multisampleDepthBuffer);
    extensions->renderbufferStorageMultisample(GraphicsContext3D::RENDERBUFFER, sampleCount, GraphicsContext3D::DEPTH_COMPONENT16, newContextSize.width(), newContextSize.height());
    m_context->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::DEPTH_ATTACHMENT, GraphicsContext3D::RENDERBUFFER, m_multisampleDepthBuffer);

    m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, 0);

    if (m_context->checkFramebufferStatus(GraphicsContext3D::FRAMEBUFFER) != GraphicsContext3D::FRAMEBUFFER_COMPLETE) {
        deleteMultisampleRenderBuffers();
        return false;
    }

    return true;
}
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