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112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include "RenderDll_precompiled.h"
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#include <Common/RenderCapabilities.h>
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#include "Implementation/GLCommon.hpp"
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namespace RenderCapabilities
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{
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bool SupportsTextureViews()
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{
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return NCryMetal::SupportTextureViews();
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}
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bool SupportsStencilTextures()
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{
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return NCryMetal::SupportsStencilTextures();
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}
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int GetAvailableMRTbpp()
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{
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return NCryMetal::GetAvailableMRTbpp();
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}
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bool Supports128bppGmemPath()
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{
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return GetAvailableMRTbpp() >= 128;
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}
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bool Supports256bppGmemPath()
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{
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return GetAvailableMRTbpp() >= 256;
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}
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bool SupportsPLSExtension()
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{
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return false;
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}
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FrameBufferFetchMask GetFrameBufferFetchCapabilities()
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{
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FrameBufferFetchMask mask;
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mask.set(FBF_ALL_COLORS);
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mask.set(FBF_COLOR0);
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return mask;
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}
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bool SupportsDepthClipping()
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{
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//https://developer.apple.com/documentation/metal/mtlrendercommandencoder/1516267-setdepthclipmode?language=objc
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#if defined(AZ_PLATFORM_MAC)
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//There is a bug with the drivers where setDepthClipMode: MTLDepthClipModeClamp does not work.
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//Until that is fixed we are simulating this behavior in the vertex shader
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//return NCryMetal::s_isOsxMinVersion10_11;
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return false;
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#else
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//There is a bug with the drivers where setDepthClipMode: MTLDepthClipModeClamp does not work.
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//Until that is fixed we are simulating this behavior in the vertex shader
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//return NCryMetal::s_isIosMinVersion11_0;
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return false;
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#endif
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}
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bool SupportsDualSourceBlending()
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{
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// Metal supports dual source blending for devices running OXS >= 10.12 or iOS >= 11.0
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// but you need to declare the "index" of the render target in the shader (half4 Source1 [[ color(0), index(1) ]])
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// Unfortunately HLSLcc is not able to generate this type of declaration because the DX Shader bytecode doesn't
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// distinguish between a normal output or one for dual source blending.
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return false;
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}
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bool SupportsRenderTargets(int numRTs)
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{
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#if defined(AZ_PLATFORM_MAC)
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return true;
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#else
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if (numRTs <= 4)
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{
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//128bpp means it will support 4 render targets
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return GetAvailableMRTbpp() >= 128;
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}
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else if (numRTs <= 8)
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{
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//256bpp means it will support 8 render targets
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return GetAvailableMRTbpp() >= 256;
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}
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return false;
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#endif
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}
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bool SupportsStructuredBuffer(EShaderStage stage)
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{
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return true;
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}
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bool SupportsIndependentBlending()
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{
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return true;
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}
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}
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