public GraphicsContext(int width, int height, PixelFormat colorFormat, PixelFormat depthFormat, MultiSampleMode multiSampleMode)
{
int errorCode = PsmGraphicsContext.Create(width, height, colorFormat, depthFormat, multiSampleMode, out this.handle);
if (errorCode != 0)
{
Error.ThrowNativeException(errorCode);
}
this.caps = new GraphicsCaps(this);
this.screen = (this.deviceScreen = new FrameBuffer(this));
if (ScreenBuffer.NeedVirtualScreen(this.screen, ref width, ref height))
{
this.screen = (this.virtualScreen = new ScreenBuffer(this, this.deviceScreen, width, height, colorFormat, depthFormat, multiSampleMode));
GraphicsContext.notifyUpdate |= (GraphicsUpdate)6U;
}
this.SetFrameBuffer(null);
this.state.Reset(this.screen);
GraphicsContext.notifyUpdate |= GraphicsUpdate.Viewport;
}
public static bool NeedVirtualScreen(FrameBuffer screen, ref int width, ref int height)
{
if (width == 0)
{
width = screen.Width;
}
if (height == 0)
{
height = screen.Height;
}
int screenWidth;
int screenHeight;
PsmGraphicsContext.GetMaxScreenSize(out screenWidth, out screenHeight);
if (width > screenWidth || height > screenHeight)
{
ScreenBuffer.FitRect(screenWidth, screenHeight, ref width, ref height);
}
return(screen.Width != width || screen.Height != height);
}
public void Reset(FrameBuffer screen)
{
this.Enable = EnableMode.Dither;
this.Scissor = new ImageRect(0, 0, screen.Width, screen.Height);
this.Viewport = new ImageRect(0, 0, screen.Width, screen.Height);
this.DepthRange = new Vector2(0f, 1f);
this.ClearColor = new Vector4(0f, 0f, 0f, 0f);
this.ClearDepth = 1f;
this.ClearStencil = 0;
this.CullFace = new CullFace(CullFaceMode.Back, CullFaceDirection.Ccw);
this.BlendFuncRgb = new BlendFunc(BlendFuncMode.Add, BlendFuncFactor.One, BlendFuncFactor.Zero);
this.BlendFuncAlpha = this.BlendFuncRgb;
this.DepthFunc = new DepthFunc(DepthFuncMode.Less, true);
this.PolygonOffset = new PolygonOffset(0f, 0f);
this.StencilFuncFront = new StencilFunc(StencilFuncMode.Always, 0, 255, 255);
this.StencilOpFront = new StencilOp(StencilOpMode.Keep, StencilOpMode.Keep, StencilOpMode.Keep);
this.StencilFuncBack = this.StencilFuncFront;
this.StencilOpBack = this.StencilOpFront;
this.ColorMask = ColorMask.Rgba;
this.LineWidth = 1f;
}
private void AdjustAspect(GraphicsContext graphics, FrameBuffer deviceScreen, int width, int height)
{
int endPointY = 0;
int endPointX = 0;
int w = width;
int h = height;
int screenWidth = deviceScreen.Width;
int screenHeight = deviceScreen.Height;
ushort[] vertexData = new ushort[4];
float multip;
if (ScreenBuffer.FitRect(screenWidth, screenHeight, ref width, ref height))
{
endPointY = (screenWidth - width) / 2;
multip = (float)endPointY / (float)screenWidth * 2f - 1f;
vertexData[0] = 18;
vertexData[1] = 27;
vertexData[2] = 36;
vertexData[3] = 45;
}
else
{
endPointX = (screenHeight - height) / 2;
multip = (float)endPointX / (float)screenHeight * -2f + 1f;
vertexData[0] = 10;
vertexData[1] = 28;
vertexData[2] = 37;
vertexData[3] = 55;
}
for (int i = 0; i < 4; i++)
{
ScreenBuffer.vertexData[(int)vertexData[i]] = multip;
ScreenBuffer.vertexData[(int)(vertexData[i] + 36)] = -multip;
}
PsmGraphicsContext.SetActiveScreen(graphics.handle, endPointY, endPointX, width, height);
PsmGraphicsContext.SetVirtualScreen(graphics.handle, 0, 0, w, h);
}
protected override bool init(DisposableI parent, string fileName, int width, int height, bool generateMipmaps, MultiSampleTypes multiSampleType, SurfaceFormats surfaceFormat, RenderTargetUsage renderTargetUsage, BufferUsages usage, bool isRenderTarget, Loader.LoadedCallbackMethod loadedCallback)
{
if (!base.init(parent, fileName, width, height, false, multiSampleType, surfaceFormat, renderTargetUsage, usage, true, loadedCallback))
{
return(false);
}
try
{
if (usage == BufferUsages.Write)
{
Debug.ThrowError("RenderTarget", "Only Textures may be writable");
}
frameBuffer = new G.FrameBuffer();
frameBuffer.SetColorTarget(texture, 0);
}
catch (Exception e)
{
FailedToLoad = true;
Loader.AddLoadableException(e);
Dispose();
if (loadedCallback != null)
{
loadedCallback(this, false);
}
return(false);
}
Loaded = true;
if (loadedCallback != null)
{
loadedCallback(this, true);
}
return(true);
}
protected override bool init(DisposableI parent, string fileName, int width, int height, bool generateMipmaps, MultiSampleTypes multiSampleType, SurfaceFormats surfaceFormat, RenderTargetUsage renderTargetUsage, BufferUsages usage, bool isRenderTarget, Loader.LoadedCallbackMethod loadedCallback)
{
if (!base.init(parent, fileName, width, height, false, multiSampleType, surfaceFormat, renderTargetUsage, usage, true, loadedCallback)) return false;
try
{
if (usage == BufferUsages.Write) Debug.ThrowError("RenderTarget", "Only Textures may be writable");
frameBuffer = new G.FrameBuffer();
frameBuffer.SetColorTarget(texture, 0);
}
catch (Exception e)
{
FailedToLoad = true;
Loader.AddLoadableException(e);
Dispose();
if (loadedCallback != null) loadedCallback(this, false);
return false;
}
Loaded = true;
if (loadedCallback != null) loadedCallback(this, true);
return true;
}
/// <summary>Sets the frame buffer</summary>
/// <param name="buffer">Frame buffer (release when NULL)</param>
public void SetFrameBuffer(FrameBuffer buffer)
{
this.frameBuffer = ((buffer != null) ? buffer : this.screen);
this.handles[1] = this.frameBuffer.handle;
GraphicsContext.notifyUpdate |= GraphicsUpdate.FrameBuffer;
}
