public void OnSurfaceCreated(IGL10 gl, EGLConfig config)
{
// GL configurations
int bonenum = 48;
GLES20.GlGetIntegerv(GLES20.GlMaxTextureSize, mTexSize, 0);
ShellViewModel.MaxBone = bonenum;
mNpot = hasExt("GL_OES_texture_npot");
// initialize
GLES20.GlClearColor(0, 0, 0, 1);
GLES20.GlEnable(GLES20.GlDepthTest);
GLES20.GlEnable(GLES20.GlBlend);
checkGlError("GlEnable");
// GLUtils.texImage2D generates premultiplied-alpha texture. so we use GL_ONE instead of GL_ALPHA
GLES20.GlBlendFunc(GL10.GlOne, GL10.GlOneMinusSrcAlpha);
GLES20.GlDepthFunc(GLES20.GlLequal);
GLES20.GlFrontFace(GLES20.GlCw);
checkGlError("GlMiscSettings");
// shader programs
mGLSL = new Dictionary <String, GLSL>();
mGLSL.Add("builtin:default",
new GLSL(String.Format(Util.ReadAssetString("shader/vs.vsh"), ShellViewModel.MaxBone),
Util.ReadAssetString("shader/fs.fsh")));
mGLSL.Add("builtin:default_alpha",
new GLSL(String.Format(Util.ReadAssetString("shader/vs.vsh"), ShellViewModel.MaxBone),
Util.ReadAssetString("shader/fs_alpha.fsh")));
mGLSL.Add("builtin:nomotion",
new GLSL(Util.ReadAssetString("shader/vs_nm.vsh"), Util.ReadAssetString("shader/fs.fsh")));
mGLSL.Add("builtin:nomotion_alpha",
new GLSL(Util.ReadAssetString("shader/vs_nm.vsh"), Util.ReadAssetString("shader/fs_alpha.fsh")));
// render targets
mRT = new Dictionary <String, RenderTarget>();
mRT.Add("screen", new RenderTarget());
GLES20.GlBindFramebuffer(GLES20.GlFramebuffer, 0);
}