/* Checks the OpenGL error.*/
private static void checkEglError(String prompt, IEGL10 egl)
{
int error;
while ((error = egl.EglGetError()) != EGL10.EglSuccess)
{
Log.Error("PikkartCore3", String.Format("%s: EGL error: 0x%x", prompt, error));
}
}
public bool Swap()
{
bool ret = egl.EglSwapBuffers(window.Display, window.Surface);
if (!ret)
{
int err = egl.EglGetError();
switch (err)
{
case EGL11.EglContextLost:
throw EglContextLostException.GenerateException("EglSwapBuffers", egl, err);
case EGL11.EglBadAlloc:
throw EglBadAllocException.GenerateException("EglSwapBuffers", egl, err);
default:
throw EglException.GenerateException("EglSwapBuffers", egl, err);
}
}
return(ret);
}
public static EglException GenerateException(string msg, IEGL10 egl)
{
if (egl == null)
{
return(new EglException(msg));
}
if (egl.EglGetError() == EGL10.EglSuccess)
{
return(new EglException(msg));
}
return(new EglException(String.Format("{0} failed with error {1} (0x{1:x})", msg, egl.EglGetError())));
}
internal AndroidAsyncGraphicsContext(AndroidGraphicsContext graphicsContext, AndroidWindow androidWindow, int versionMajor)
{
egl = EGLContext.EGL.JavaCast<IEGL10>();
var pbufferAttribList = new[]
{
EGL10.EglWidth, 1,
EGL10.EglHeight, 1,
EGL10.EglNone
};
EGLDisplay = androidWindow.Display;
var androidGraphicsContext = graphicsContext;
var config = androidGraphicsContext.EGLConfig;
var attribList = new[]
{
EGL10.EglSurfaceType, EGL10.EglPbufferBit,
EGL10.EglRenderableType, 4, // (opengl es 2.0)
EGL10.EglRedSize, graphicsContext.GraphicsMode.ColorFormat.Red,
EGL10.EglGreenSize, graphicsContext.GraphicsMode.ColorFormat.Green,
EGL10.EglBlueSize, graphicsContext.GraphicsMode.ColorFormat.Blue,
EGL10.EglAlphaSize, graphicsContext.GraphicsMode.ColorFormat.Alpha,
EGL10.EglDepthSize, graphicsContext.GraphicsMode.Depth,
EGL10.EglStencilSize, graphicsContext.GraphicsMode.Stencil,
//Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
EGL10.EglSamples, 0,
EGL10.EglNone,
};
// first ask the number of config available
var numConfig = new int[1];
if (!egl.EglChooseConfig(EGLDisplay, attribList, null, 0, numConfig))
{
throw new InvalidOperationException(string.Format("EglChooseConfig {0:x}", egl.EglGetError()));
}
// retrieve the available configs
var configs = new EGLConfig[numConfig[0]];
if (!egl.EglChooseConfig(EGLDisplay, attribList, configs, configs.Length, numConfig))
{
throw new InvalidOperationException(string.Format("EglChooseConfig {0:x}", egl.EglGetError()));
}
// choose the best config
EGLConfig = ChooseConfigEGL(configs);
// create the surface
EGLSurface = egl.EglCreatePbufferSurface(EGLDisplay, EGLConfig, pbufferAttribList);
if (EGLSurface == EGL10.EglNoSurface)
{
throw new InvalidOperationException(string.Format("EglCreatePBufferSurface {0:x}", egl.EglGetError()));
}
// 0x3098 is EGL_CONTEXT_CLIENT_VERSION
var attribList3 = new[] { 0x3098, versionMajor, EGL10.EglNone };
EGLContext = egl.EglCreateContext(EGLDisplay, config, androidGraphicsContext.EGLContext, attribList3);
if (EGLContext == EGL10.EglNoContext)
{
throw new InvalidOperationException(string.Format("EglCreateContext {0:x}", egl.EglGetError()));
}
}
public static EglException GenerateException (string msg, IEGL10 egl, int? error)
{
if (egl == null)
return new EglException (msg);
error = error ?? egl.EglGetError ();
if (error == EGL10.EglSuccess)
return new EglException (msg);
return new EglException (String.Format ("{0} failed with error {1} (0x{1:x})", msg, error.Value));
}
internal AndroidAsyncGraphicsContext(AndroidGraphicsContext graphicsContext, AndroidWindow androidWindow, int versionMajor)
{
egl = EGLContext.EGL.JavaCast <IEGL10>();
var pbufferAttribList = new[]
{
EGL10.EglWidth, 1,
EGL10.EglHeight, 1,
EGL10.EglNone
};
EGLDisplay = androidWindow.Display;
var androidGraphicsContext = graphicsContext;
var config = androidGraphicsContext.EGLConfig;
var attribList = new[]
{
EGL10.EglSurfaceType, EGL10.EglPbufferBit,
EGL10.EglRenderableType, 4, // (opengl es 2.0)
EGL10.EglRedSize, graphicsContext.GraphicsMode.ColorFormat.Red,
EGL10.EglGreenSize, graphicsContext.GraphicsMode.ColorFormat.Green,
EGL10.EglBlueSize, graphicsContext.GraphicsMode.ColorFormat.Blue,
EGL10.EglAlphaSize, graphicsContext.GraphicsMode.ColorFormat.Alpha,
EGL10.EglDepthSize, graphicsContext.GraphicsMode.Depth,
EGL10.EglStencilSize, graphicsContext.GraphicsMode.Stencil,
//Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
EGL10.EglSamples, 0,
EGL10.EglNone,
};
// first ask the number of config available
var numConfig = new int[1];
if (!egl.EglChooseConfig(EGLDisplay, attribList, null, 0, numConfig))
{
throw new InvalidOperationException(string.Format("EglChooseConfig {0:x}", egl.EglGetError()));
}
// retrieve the available configs
var configs = new EGLConfig[numConfig[0]];
if (!egl.EglChooseConfig(EGLDisplay, attribList, configs, configs.Length, numConfig))
{
throw new InvalidOperationException(string.Format("EglChooseConfig {0:x}", egl.EglGetError()));
}
// choose the best config
EGLConfig = ChooseConfigEGL(configs);
// create the surface
EGLSurface = egl.EglCreatePbufferSurface(EGLDisplay, EGLConfig, pbufferAttribList);
if (EGLSurface == EGL10.EglNoSurface)
{
throw new InvalidOperationException(string.Format("EglCreatePBufferSurface {0:x}", egl.EglGetError()));
}
// 0x3098 is EGL_CONTEXT_CLIENT_VERSION
var attribList3 = new[] { 0x3098, versionMajor, EGL10.EglNone };
EGLContext = egl.EglCreateContext(EGLDisplay, config, androidGraphicsContext.EGLContext, attribList3);
if (EGLContext == EGL10.EglNoContext)
{
throw new InvalidOperationException(string.Format("EglCreateContext {0:x}", egl.EglGetError()));
}
}
private UserReadableEglConfig EglConfigToUserReadableEglConfig(EGLConfig eglConfig)
{
var surfaceType = new int[1];
var renderableType = new int[1];
var redSize = new int[1];
var greenSize = new int[1];
var blueSize = new int[1];
var alphaSize = new int[1];
var depthSize = new int[1];
var stencilSize = new int[1];
var samples = new int[1];
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglSurfaceType, surfaceType))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglRenderableType, renderableType))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglRedSize, redSize))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglGreenSize, greenSize))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglBlueSize, blueSize))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglAlphaSize, alphaSize))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglDepthSize, depthSize))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglStencilSize, stencilSize))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
if (!egl.EglGetConfigAttrib(EGLDisplay, eglConfig, EGL10.EglSamples, samples))
{
throw new InvalidOperationException(string.Format("EglGetConfigAttrib {0:x}", egl.EglGetError()));
}
return(new UserReadableEglConfig
{
SurfaceType = surfaceType[0],
RenderableType = renderableType[0],
RedSize = redSize[0],
GreenSize = greenSize[0],
BlueSize = blueSize[0],
AlphaSize = alphaSize[0],
DepthSize = depthSize[0],
StencilSize = stencilSize[0],
Samples = samples[0]
});
}