private unsafe void CreateMiscGLObjects()
{
// Quad drawing.
{
var quadVertices = new[]
{
new Vertex2D(1, 0, 1, 1),
new Vertex2D(0, 0, 0, 1),
new Vertex2D(1, 1, 1, 0),
new Vertex2D(0, 1, 0, 0)
};
QuadVBO = new GLBuffer <Vertex2D>(this, BufferTarget.ArrayBuffer, BufferUsageHint.StaticDraw, quadVertices,
nameof(QuadVBO));
QuadVAO = new GLHandle((uint)GL.GenVertexArray());
GL.BindVertexArray(QuadVAO.Handle);
ObjectLabelMaybe(ObjectLabelIdentifier.VertexArray, QuadVAO, nameof(QuadVAO));
// Vertex Coords
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 0);
GL.EnableVertexAttribArray(0);
// Texture Coords.
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 2 * sizeof(float));
GL.EnableVertexAttribArray(1);
}
// Batch rendering
{
BatchVBO = new GLBuffer(this, BufferTarget.ArrayBuffer, BufferUsageHint.DynamicDraw,
Vertex2D.SizeOf * BatchVertexData.Length, nameof(BatchVBO));
BatchVAO = new GLHandle(GL.GenVertexArray());
GL.BindVertexArray(BatchVAO.Handle);
ObjectLabelMaybe(ObjectLabelIdentifier.VertexArray, BatchVAO, nameof(BatchVAO));
// Vertex Coords
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 0);
GL.EnableVertexAttribArray(0);
// Texture Coords.
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, Vertex2D.SizeOf, 2 * sizeof(float));
GL.EnableVertexAttribArray(1);
BatchEBO = new GLBuffer(this, BufferTarget.ElementArrayBuffer, BufferUsageHint.DynamicDraw,
sizeof(ushort) * BatchIndexData.Length, nameof(BatchEBO));
}
ProjViewUBO = new GLBuffer(this, BufferTarget.UniformBuffer, BufferUsageHint.StreamDraw, nameof(ProjViewUBO));
ProjViewUBO.Reallocate(sizeof(ProjViewMatrices));
GL.BindBufferBase(BufferRangeTarget.UniformBuffer, ProjViewBindingIndex, ProjViewUBO.ObjectHandle);
UniformConstantsUBO = new GLBuffer(this, BufferTarget.UniformBuffer, BufferUsageHint.StreamDraw,
nameof(UniformConstantsUBO));
UniformConstantsUBO.Reallocate(sizeof(UniformConstants));
GL.BindBufferBase(BufferRangeTarget.UniformBuffer, UniformConstantsBindingIndex,
UniformConstantsUBO.ObjectHandle);
EntityPostRenderTarget = CreateRenderTarget(Vector2i.One * 4 * EyeManager.PIXELSPERMETER,
RenderTargetColorFormat.Rgba8Srgb, name: nameof(EntityPostRenderTarget), hasStencilBuffer: true);
}