public override void StartDrawingModel(float[] model_color, Matrix mvp_matrix)
{
// コンテキストの状態を保存する
State.SaveState();
// 描画設定をする
Gl.FrontFace(FrontFaceDirection.Ccw);
Gl.Disable(EnableCap.ScissorTest);
Gl.Disable(EnableCap.StencilTest);
Gl.Disable(EnableCap.DepthTest);
Gl.Enable(EnableCap.Blend);
Gl.ColorMask(true, true, true, true);
// 不要なバッファがバインドされていたら解除する
Gl.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
Gl.BindBuffer(BufferTarget.ArrayBuffer, 0);
// モデルのパラメータをコピーする
if ((model_color != null) && (model_color.Length == 4))
{
model_color.CopyTo(ModelColor, 0);
}
else
{
DefaultModelColor.CopyTo(ModelColor, 0);
}
MvpMatrix = (Matrix)mvp_matrix.Clone();
}
/// <summary>
/// 保存した状態を復帰する。
/// </summary>
public void RestoreState()
{
Gl.UseProgram((uint)LastProgram);
SetEnabledVertexAttribArray(0, LastVertexAttribArrayEnabled[0] != 0);
SetEnabledVertexAttribArray(1, LastVertexAttribArrayEnabled[1] != 0);
SetEnabledVertexAttribArray(2, LastVertexAttribArrayEnabled[2] != 0);
SetEnabledVertexAttribArray(3, LastVertexAttribArrayEnabled[3] != 0);
SetEnabled(EnableCap.ScissorTest, LastScissorTest);
SetEnabled(EnableCap.StencilTest, LastStencilTest);
SetEnabled(EnableCap.DepthTest, LastDepthTest);
SetEnabled(EnableCap.CullFace, LastCullFace);
SetEnabled(EnableCap.Blend, LastBlend);
Gl.FrontFace((FrontFaceDirection)LastFrontFace);
Gl.ColorMask(LastColorMask[0] != 0, LastColorMask[1] != 0, LastColorMask[2] != 0, LastColorMask[3] != 0);
Gl.BindBuffer(BufferTarget.ArrayBuffer, (uint)LastArrayBufferBinding);
Gl.BindBuffer(BufferTarget.ElementArrayBuffer, (uint)LastElementArrayBufferBinding);
Gl.ActiveTexture(TextureUnit.Texture1);
Gl.BindTexture(TextureTarget.Texture2d, (uint)LastTexture1Binding2D);
Gl.ActiveTexture(TextureUnit.Texture0);
Gl.BindTexture(TextureTarget.Texture2d, (uint)LastTexture0Binding2D);
Gl.ActiveTexture((TextureUnit)LastActiveTexture);
Gl.BlendFuncSeparate((BlendingFactor)LastBlending[0], (BlendingFactor)LastBlending[1], (BlendingFactor)LastBlending[2], (BlendingFactor)LastBlending[3]);
RestoreViewport();
RestoreFrameBuffer();
}
private void ApplyStateCore(GraphicsContext ctx, ShaderProgram program)
{
// Color
Gl.ColorMask(ColorMaskR, ColorMaskG, ColorMaskB, ColorMaskA);
// Depth
Gl.DepthMask(DepthMask);
// Stencil
if (ctx.Version >= Gl.Version_200)
{
if (StencilMaskFront != StencilMaskBack)
{
Gl.StencilMaskSeparate(StencilFaceDirection.Front, StencilMaskFront);
Gl.StencilMaskSeparate(StencilFaceDirection.Back, StencilMaskBack);
}
else
{
Gl.StencilMaskSeparate(StencilFaceDirection.FrontAndBack, StencilMaskFront);
}
}
else
{
if (StencilMaskFront != StencilMaskBack)
{
throw new InvalidOperationException("seperate stencil mask not supported");
}
Gl.StencilMask(StencilMaskFront);
}
}
/// <summary>
/// Toggle whether to render to the color buffer.
/// </summary>
/// <param name="renderColor">Whether to render to the color buffer.</param>
public void ToggleRenderColor(bool renderColor)
{
FlushRenderStream();
if (renderColor)
{
Gl.ColorMask(true, true, true, true);
}
else
{
Gl.ColorMask(false, false, false, false);
}
}
/// <summary>
/// Toggle whether to render to the color buffer.
/// </summary>
/// <param name="renderColor">Whether to render to the color buffer.</param>
public void ToggleRenderColor(bool renderColor)
{
InvalidateStateBatches();
if (renderColor)
{
Gl.ColorMask(true, true, true, true);
}
else
{
Gl.ColorMask(false, false, false, false);
}
}
private void ApplyStateCore(GraphicsContext ctx, ShaderProgram program, WriteMaskState currentState)
{
// Color
if (ColorMaskR != currentState.ColorMaskR || ColorMaskG != currentState.ColorMaskG || ColorMaskB != currentState.ColorMaskB || ColorMaskA != currentState.ColorMaskA)
{
Gl.ColorMask(ColorMaskR, ColorMaskG, ColorMaskB, ColorMaskA);
}
// Depth
if (DepthMask != currentState.DepthMask)
{
Gl.DepthMask(DepthMask);
}
// Stencil
if (ctx.Version >= Gl.Version_200)
{
if (StencilMaskFront != StencilMaskBack)
{
if (StencilMaskFront != currentState.StencilMaskFront)
{
Gl.StencilMaskSeparate(StencilFaceDirection.Front, StencilMaskFront);
}
if (StencilMaskBack != currentState.StencilMaskBack)
{
Gl.StencilMaskSeparate(StencilFaceDirection.Back, StencilMaskBack);
}
}
else
{
if (StencilMaskFront != currentState.StencilMaskFront || StencilMaskFront != currentState.StencilMaskBack)
{
Gl.StencilMaskSeparate(StencilFaceDirection.FrontAndBack, StencilMaskFront);
}
}
}
else
{
if (StencilMaskFront != StencilMaskBack)
{
throw new InvalidOperationException("seperate stencil mask not supported");
}
if (StencilMaskFront != currentState.StencilMaskFront)
{
Gl.StencilMask(StencilMaskFront);
}
}
}
/// <inheritdoc />
public override void DefaultGLState()
{
// If the renderer is not setup, skip.
if (Engine.Renderer == null)
{
return;
}
CheckError("after setting default state");
// Reset blend.
Gl.Enable(EnableCap.Blend);
Gl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
// Reset depth test.
StateDepthTest(true);
Gl.DepthFunc(DepthFunction.Lequal);
// Reset stencil.
StateStencilTest(false);
// Reset cull face.
Gl.Disable(EnableCap.CullFace);
// Reset depth mask.
Gl.DepthMask(true);
// Reset scissor.
SetClipRect(0, 0, (int)Engine.Renderer.CurrentTarget.Size.X, (int)Engine.Renderer.CurrentTarget.Size.Y);
Gl.FrontFace(FrontFaceDirection.Ccw);
// Reset color mask.
Gl.ColorMask(true, true, true, true);
CheckError("before setting default state");
}