◎レンダーステートの状態をコンソールに出力するプログラム（デバッグ用）

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・ゲームクラスに下記メンバを追加すること

        bool renderStateWrited = false;

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・出力プログラム本体

        void WriteRenderState()
        {
            if (renderStateWrited == false)
            {
                RenderState renderState = GraphicsDevice.RenderState;

                Console.WriteLine("----- WriteRenderState Start -----");

                // アルファ関連
                Console.WriteLine("AlphaBlendEnable = " + renderState.AlphaBlendEnable);
                Console.WriteLine("AlphaBlendOperation = " + renderState.AlphaBlendOperation);
                Console.WriteLine("AlphaDestinationBlend = " + renderState.AlphaDestinationBlend);
                Console.WriteLine("AlphaFunction = " + renderState.AlphaFunction);
                Console.WriteLine("AlphaSourceBlend = " + renderState.AlphaSourceBlend);
                Console.WriteLine("AlphaTestEnable = " + renderState.AlphaTestEnable);
                Console.WriteLine("BlendFactor = " + renderState.BlendFactor);
                Console.WriteLine("BlendFunction = " + renderState.BlendFunction);
                Console.WriteLine("DestinationBlend = " + renderState.DestinationBlend);
                Console.WriteLine("ReferenceAlpha = " + renderState.ReferenceAlpha);
                Console.WriteLine("SeparateAlphaBlendEnabled = " + renderState.SeparateAlphaBlendEnabled);
                Console.WriteLine("SourceBlend = " + renderState.SourceBlend);

                // カラーバッファーチャンネル関連
                Console.WriteLine("ColorWriteChannels = " + renderState.ColorWriteChannels);
                Console.WriteLine("ColorWriteChannels1 = " + renderState.ColorWriteChannels1);
                Console.WriteLine("ColorWriteChannels2 = " + renderState.ColorWriteChannels2);
                Console.WriteLine("ColorWriteChannels3 = " + renderState.ColorWriteChannels3);

                // ステンシル／ステンシルテスト関連
                Console.WriteLine("CounterClockwiseStencilDepthBufferFail = " + renderState.CounterClockwiseStencilDepthBufferFail);
                Console.WriteLine("CounterClockwiseStencilFail = " + renderState.CounterClockwiseStencilFail);
                Console.WriteLine("CounterClockwiseStencilFunction = " + renderState.CounterClockwiseStencilFunction);
                Console.WriteLine("CounterClockwiseStencilPass = " + renderState.CounterClockwiseStencilPass);
                Console.WriteLine("ReferenceStencil = " + renderState.ReferenceStencil);
                Console.WriteLine("StencilDepthBufferFail = " + renderState.StencilDepthBufferFail);
                Console.WriteLine("StencilEnable = " + renderState.StencilEnable);
                Console.WriteLine("StencilFail = " + renderState.StencilFail);
                Console.WriteLine("StencilFunction = " + renderState.StencilFunction);
                Console.WriteLine("StencilMask = " + renderState.StencilMask);
                Console.WriteLine("StencilPass = " + renderState.StencilPass);
                Console.WriteLine("StencilWriteMask = " + renderState.StencilWriteMask);
                Console.WriteLine("TwoSidedStencilMode = " + renderState.TwoSidedStencilMode);

                // カリング モード
                Console.WriteLine("CullMode = " + renderState.CullMode);

                // 深度バイアス／深度バッファ関連
                Console.WriteLine("DepthBias = " + renderState.DepthBias);
                Console.WriteLine("DepthBufferEnable = " + renderState.DepthBufferEnable);
                Console.WriteLine("DepthBufferFunction = " + renderState.DepthBufferFunction);
                Console.WriteLine("DepthBufferWriteEnable = " + renderState.DepthBufferWriteEnable);
                Console.WriteLine("SlopeScaleDepthBias = " + renderState.SlopeScaleDepthBias);

                // 塗りつぶしモード
                Console.WriteLine("FillMode = " + renderState.FillMode);

                // フォグ関連
                Console.WriteLine("FogColor = " + renderState.FogColor);
                Console.WriteLine("FogDensity = " + renderState.FogDensity);
                Console.WriteLine("FogEnable = " + renderState.FogEnable);
                Console.WriteLine("FogEnd = " + renderState.FogEnd);
                Console.WriteLine("FogStart = " + renderState.FogStart);
                Console.WriteLine("FogTableMode = " + renderState.FogTableMode);
                Console.WriteLine("FogVertexMode = " + renderState.FogVertexMode);
                Console.WriteLine("RangeFogEnable = " + renderState.RangeFogEnable);

                // マルチサンプリング関連
                Console.WriteLine("MultiSampleAntiAlias = " + renderState.MultiSampleAntiAlias);
                Console.WriteLine("MultiSampleMask = " + renderState.MultiSampleMask);

                // ポイントサイズ関連
                Console.WriteLine("PointSize = " + renderState.PointSize);
                Console.WriteLine("PointSizeMax = " + renderState.PointSizeMax);
                Console.WriteLine("PointSizeMin = " + renderState.PointSizeMin);

                // 完全テクスチャ マッピング
                Console.WriteLine("PointSpriteEnable = " + renderState.PointSpriteEnable);

                // シザー テスト
                Console.WriteLine("ScissorTestEnable = " + renderState.ScissorTestEnable);

                // テクスチャラッピング関連
                Console.WriteLine("Wrap0 = " + renderState.Wrap0);
                Console.WriteLine("Wrap1 = " + renderState.Wrap1);
                Console.WriteLine("Wrap10 = " + renderState.Wrap10);
                Console.WriteLine("Wrap11 = " + renderState.Wrap11);
                Console.WriteLine("Wrap12 = " + renderState.Wrap12);
                Console.WriteLine("Wrap13 = " + renderState.Wrap13);
                Console.WriteLine("Wrap14 = " + renderState.Wrap14);
                Console.WriteLine("Wrap15 = " + renderState.Wrap15);
                Console.WriteLine("Wrap2 = " + renderState.Wrap2);
                Console.WriteLine("Wrap3 = " + renderState.Wrap3);
                Console.WriteLine("Wrap4 = " + renderState.Wrap4);
                Console.WriteLine("Wrap5 = " + renderState.Wrap5);
                Console.WriteLine("Wrap6 = " + renderState.Wrap6);
                Console.WriteLine("Wrap7 = " + renderState.Wrap7);
                Console.WriteLine("Wrap8 = " + renderState.Wrap8);
                Console.WriteLine("Wrap9 = " + renderState.Wrap9);

                Console.WriteLine("----- End -----");
                renderStateWrited = true;
            }
        }
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◎実行結果

----- WriteRenderState Start -----
AlphaBlendEnable = False
AlphaBlendOperation = Add
AlphaDestinationBlend = Zero
AlphaFunction = Always
AlphaSourceBlend = One
AlphaTestEnable = False
BlendFactor = {R:255 G:255 B:255 A:255}
BlendFunction = Add
DestinationBlend = Zero
ReferenceAlpha = 0
SeparateAlphaBlendEnabled = False
SourceBlend = One
ColorWriteChannels = All
ColorWriteChannels1 = All
ColorWriteChannels2 = All
ColorWriteChannels3 = All
CounterClockwiseStencilDepthBufferFail = Keep
CounterClockwiseStencilFail = Keep
CounterClockwiseStencilFunction = Always
CounterClockwiseStencilPass = Keep
ReferenceStencil = 0
StencilDepthBufferFail = Keep
StencilEnable = False
StencilFail = Keep
StencilFunction = Always
StencilMask = -1
StencilPass = Keep
StencilWriteMask = -1
TwoSidedStencilMode = False
CullMode = CullCounterClockwiseFace
DepthBias = 0
DepthBufferEnable = True
DepthBufferFunction = LessEqual
DepthBufferWriteEnable = True
SlopeScaleDepthBias = 0
FillMode = Solid
FogColor = {R:0 G:0 B:0 A:0}
FogDensity = 1
FogEnable = False
FogEnd = 1
FogStart = 0
FogTableMode = None
FogVertexMode = None
RangeFogEnable = False
MultiSampleAntiAlias = True
MultiSampleMask = -1
PointSize = 1
PointSizeMax = 256
PointSizeMin = 1
PointSpriteEnable = False
ScissorTestEnable = False
Wrap0 = None
Wrap1 = None
Wrap10 = None
Wrap11 = None
Wrap12 = None
Wrap13 = None
Wrap14 = None
Wrap15 = None
Wrap2 = None
Wrap3 = None
Wrap4 = None
Wrap5 = None
Wrap6 = None
Wrap7 = None
Wrap8 = None
Wrap9 = None
----- End -----

※上記は筆者メインPCの実行結果
※PC環境によって初期値が異なるものもあるので注意すること！