private int findConfigAttrib(IEGL10 egl, EGLDisplay display, EGLConfig config, int attribute, int defaultValue)
{
if (egl.EglGetConfigAttrib(display, config, attribute, mValue))
{
return(mValue[0]);
}
return(defaultValue);
}
int GetAttrib(IEGL10 egl, EGLDisplay display, EGLConfig config, int attrib)
{
int[] ret = new int [1];
try {
egl.EglGetConfigAttrib(display, config, attrib, ret);
} catch (Exception e) {
Log.Warn("AndroidGraphicsMode", "EglGetConfigAttrib {0} threw exception {1}", attrib, e);
}
return(ret[0]);
}
int GetAttrib (IEGL10 egl, EGLDisplay display, EGLConfig config, int attrib)
{
int[] ret = new int [1];
try {
egl.EglGetConfigAttrib (display, config, attrib, ret);
} catch (Exception e) {
Log.Warn ("AndroidGraphicsMode", "EglGetConfigAttrib {0} threw exception {1}", attrib, e);
}
return ret[0];
}
static int GetAttribute(EGLConfig config, IEGL10 egl, EGLDisplay eglDisplay, int attribute)
{
int[] data = new int[1];
egl.EglGetConfigAttrib(eglDisplay, config, EGL11.EglRedSize, data);
return(data[0]);
}
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]
});
}