private void VertexAttribPointer(uint indx, int size, uint type, bool normalize, int stride, Stream pointer)
{
WebGLBufferData b = _buffers[indx];
b.Stride = stride;
b.Size = size;
b.Normalized = normalize;
b.Type = type;
b.ToBind = GetTypedArray(pointer, type);
}
private void UpdatTCBuffer(Stream s, int offset, int count)
{
WebGLBufferData b = _buffers[ARRAY_TEXCOORD_0];
gl.BindBuffer(GLES20.ARRAY_BUFFER, b.Buffer);
long p = s.Position;
long l = s.Length;
s.Position = p + offset;
s.SetLength(p + offset + count);
gl.BufferSubData(GLES20.ARRAY_BUFFER, offset * 4, GetTypedArray(s, GLES20.FLOAT));
s.Position = p;
s.SetLength(l);
}
private void PrepareDraw()
{
if (UpdateMvpMatrix())
{
gl.UniformMatrix4fv(_uMvpMatrix, false, _mvpMatrix); CheckError("prepareDraw");
}
gl.Uniform1i(_uTexEnv0, GetTextureMode(0));
gl.Uniform1i(_uTexEnv1, GetTextureMode(1));
for (uint indx = 0; indx < SMALL_BUF_COUNT; indx++)
{
WebGLBufferData b = _buffers[indx];
if (b.ToBind != null)
{
gl.BindBuffer(GLES20.ARRAY_BUFFER, b.Buffer); CheckError("bindBuffer" + indx);
gl.BufferData(GLES20.ARRAY_BUFFER, b.ToBind, GLES20.STREAM_DRAW); CheckError("bufferData" + indx);
gl.VertexAttribPointer(indx, b.Size, b.Type, b.Normalized, b.Stride, 0); CheckError("vertexAttribPointer");
b.ToBind = null;
}
}
//Log("prepDraw: " + sizes);
}
public WebGL15ContextImpl()
: base(100, 100)
{
gl = null;
#endif
if (gl == null)
throw new Exception("UnsupportedOperationException: WebGL N/A");
InitShaders(); CheckError("initShader");
_elementBuffer = gl.CreateBuffer(); CheckError("createBuffer f. elements");
for (int index = 0; index < _buffers.Length; index++)
{
WebGLBufferData b = new WebGLBufferData();
b.ToBind = null;
b.Buffer = gl.CreateBuffer(); CheckError("createBuffer" + index);
b.Stride = 0;
b.Size = 0;
b.Type = 0;
b.ByteSize = 0;
b.Normalized = false;
_buffers[index] = b;
}
}
public WebGL15ContextImpl()
: base(100, 100)
{
gl = null;
#endif
if (gl == null)
{
throw new Exception("UnsupportedOperationException: WebGL N/A");
}
InitShaders(); CheckError("initShader");
_elementBuffer = gl.CreateBuffer(); CheckError("createBuffer f. elements");
for (int index = 0; index < _buffers.Length; index++)
{
WebGLBufferData b = new WebGLBufferData();
b.ToBind = null;
b.Buffer = gl.CreateBuffer(); CheckError("createBuffer" + index);
b.Stride = 0;
b.Size = 0;
b.Type = 0;
b.ByteSize = 0;
b.Normalized = false;
_buffers[index] = b;
}
}
