Method createFramebuffer

src/validation/validation-device.cpp:667–818

    }

    FramebufferHandle DeviceWrapper::createFramebuffer(const FramebufferDesc& desc)
    {
        uint32_t width = 0;
        uint32_t height = 0;
        uint32_t arraySize = 0;
        uint32_t sampleCount = 0;

        if (desc.depthAttachment.texture)
        {
            TextureDesc const& d = desc.depthAttachment.texture->getDesc();

            TextureSubresourceSet const subresources = desc.depthAttachment.subresources.resolve(d, true);

            uint32_t const mipWidth = std::max(d.width >> subresources.baseMipLevel, 1u);
            uint32_t const mipHeight = std::max(d.height >> subresources.baseMipLevel, 1u);

            width = mipWidth;
            height = mipHeight;
            arraySize = subresources.numArraySlices;
            sampleCount = d.sampleCount;

            if (!d.isRenderTarget)
            {
                std::stringstream ss;
                ss << "Depth attachment texture " << utils::DebugNameToString(d.debugName)
                    << " must be created with isRenderTarget = true";
                error(ss.str());
                return nullptr;
            }

            FormatInfo const& formatInfo = getFormatInfo(d.format);
            if (formatInfo.kind != FormatKind::DepthStencil)
            {
                std::stringstream ss;
                ss << "Depth attachment texture " << utils::DebugNameToString(d.debugName) << " has a format "
                    << formatInfo.name << " that does not support depth or stencil";
                error(ss.str());
                return nullptr;
            }
        }

        for (size_t i = 0; i < desc.colorAttachments.size(); ++i)
        {
            FramebufferAttachment const& att = desc.colorAttachments[i];
            if (!att.texture)
            {
                std::stringstream ss;
                ss << "Color attachment " << i << " is NULL";
                error(ss.str());
                return nullptr;
            }

            TextureDesc const& d = att.texture->getDesc();
            if (!d.isRenderTarget)
            {
                std::stringstream ss;
                ss << "Color attachment  " << i << " texture " << utils::DebugNameToString(d.debugName)
                    << " must be created with isRenderTarget = true";