| public static VertexAttribPointer ( int index, int size, VertexAttribPointerType type, bool normalized, int stride, int offset ) : void | ||
| index | int | |
| size | int | |
| type | VertexAttribPointerType | |
| normalized | bool | |
| stride | int | |
| offset | int | |
| return | void | |
protected override void OnLoad()
{
GL.ClearColor(1f, 1f, 1f, 1.0f);
VertexBufferObject = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, VertexBufferObject);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.StaticDraw);
VertexArrayObject = GL.GenVertexArray();
GL.BindVertexArray(VertexArrayObject);
GL.BindBuffer(BufferTarget.ArrayBuffer, VertexArrayObject);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.StaticDraw);
ElementBufferObject = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ElementBufferObject);
GL.BufferData(BufferTarget.ElementArrayBuffer, indices.Length * sizeof(uint), indices, BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 3 * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
Shader = new Shader(
Path.GetFullPath(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"shaders\shader.vert.glsl")),
Path.GetFullPath(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"shaders\shader.frag.glsl")));
Shader.Use();
_timer = new Stopwatch();
_timer.Start();
base.OnLoad();
}
public void SetupAttributePointersNew()
{
foreach (AttributeBinding binding in bindings)
{
GL.EnableVertexAttribArray(binding.AttributeMapping.Slot);
if (
(binding.Type == VertexAttribPointerType.Double) ||
(binding.Type == VertexAttribPointerType.Float) ||
(binding.Type == VertexAttribPointerType.HalfFloat)
)
{
GL.VertexAttribPointer(
binding.AttributeMapping.Slot,
binding.Size,
binding.Type,
binding.Normalized,
binding.Stride,
(IntPtr)((long)(binding.Offset) /* + (vertexBufferRange.OffsetBytes)*/)
);
}
else
{
GL.VertexAttribIPointer(
binding.AttributeMapping.Slot,
binding.Size,
(VertexAttribIPointerType)binding.Type,
binding.Stride,
(IntPtr)((long)(binding.Offset) /* + (vertexBufferRange.OffsetBytes)*/)
);
}
}
}
private static void overrideDataInAttributeList(int ID, int attrib, int coordSize, float[] data)
{
GL.BindBuffer(BufferTarget.ArrayBuffer, ID);
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(attrib, coordSize, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
}
private static int storeDataInAttributeList(int attrib, int coordSize, float[] data)
{
int vboID = GL.GenBuffer();
VBOs.Add(vboID);
GL.BindBuffer(BufferTarget.ArrayBuffer, vboID);
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(attrib, coordSize, VertexAttribPointerType.Float, false, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
return(vboID);
}
public static void LoadVertexPositions(int shaderProgramHandle, Vector3[] positionVboData)
{
int positionVboHandle;
GL.GenBuffers(1, out positionVboHandle);
GL.BindBuffer(BufferTarget.ArrayBuffer, positionVboHandle);
GL.BufferData <Vector3>(BufferTarget.ArrayBuffer,
new IntPtr(positionVboData.Length * Vector3.SizeInBytes),
positionVboData, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(0);
GL.BindAttribLocation(shaderProgramHandle, 0, "inPosition");
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, Vector3.SizeInBytes, 0);
}
public void VertexAttribPointer(int index, int size, GLDataType type, bool normalized, int stride, int offset)
{
GL.VertexAttribPointer(index, size, (VertexAttribPointerType)type, normalized, stride, offset);
}
