/// <summary>
/// Binds a buffer to this binding point.
/// </summary>
/// <typeparam name="T">The type of the container elements.</typeparam>
/// <param name="buffer">The buffer to bind.</param>
/// <param name="offset">The starting offset in basic machine units into the buffer object buffer. </param>
/// <param name="size">The amount of data in machine units that can be read from the buffer object while used as an indexed target. </param>
public void BindBuffer <T>(Buffer <T> buffer, int offset, int size)
where T : struct
{
if (!Active)
{
return;
}
GL.BindBufferRange(BindingTarget, Binding, buffer.Handle, (IntPtr)offset, (IntPtr)size);
}
public void BindRange(int bindingPoint, IntPtr offsetBytes, IntPtr size)
{
GL.BindBufferRange(
bufferTarget,
bindingPoint,
(int)bufferObject,
offsetBytes,
size
);
}
/// <summary>
/// Bind a portion of this buffer at a binding point in an indexed target
/// </summary>
/// <param name="bindingPoint"></param>
/// <param name="start"></param>
/// <param name="count"></param>
public void BindAtUniformBlockBindingPoint(UniformBlockBindingPoint bindingPoint, long start, long count)
{
this.Assert();
GL.BindBufferRange(
BufferRangeTarget.UniformBuffer, bindingPoint.Index, Handle.Handle,
(IntPtr)(start * TypeInfo <T> .TypeSize),
(IntPtr)(count * TypeInfo <T> .TypeSize)
);
}
public void SetUniforms(int uniformOffset, int image)
{
_gl.BindBufferRange(BufferTargetARB.UniformBuffer, (uint)UniformBindings.FragBinding, _fragBuffer, uniformOffset, (nuint)Marshal.SizeOf(typeof(FragUniforms)));
int id = _renderer.DummyTex;
if (image != 0)
{
id = image;
}
ref var tex = ref _renderer.TextureManager.FindTexture(id);
public UBO(string blockName, int location, int size)
{
_blockName = blockName;
_location = location;
_size = size;
GL.GenBuffers(1, out _handle);
using (new Bind(this))
{
GL.BufferData(BufferTarget.UniformBuffer, (IntPtr)(_size), (IntPtr)(null), BufferUsageHint.StreamDraw);
GL.BindBufferRange(BufferTarget.UniformBuffer, (uint)_location, _handle, (IntPtr)0, (IntPtr)_size);
}
}
public UniformBufferObject(int index, Func <T> getData)
{
bufferIndex = index;
this.getData = getData;
size = System.Runtime.InteropServices.Marshal.SizeOf(typeof(T));
GL.GenBuffers(1, out bufferUBO); // Generate the buffer
GL.BindBuffer(BufferTarget.UniformBuffer, bufferUBO); // Bind the buffer for writing
GL.BufferData(BufferTarget.UniformBuffer, (IntPtr)(size), (IntPtr)(null), BufferUsageHint.StreamDraw); // Request the memory to be allocated
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, bufferIndex, bufferUBO, (IntPtr)0, (IntPtr)(size));
}
public void BindBufferRange(BufferRangeTarget target, int bindingPoint, int buffer, IntPtr offset, IntPtr size)
{
if (!_bufferBindings.ContainsKey(target))
{
_bufferBindings[target] = new BufferBinding[BufferBindingPoints];
}
var binding = new BufferBinding(buffer, offset, size);
if (IsBindingDifferent(target, bindingPoint, binding))
{
GL.BindBufferRange(target, bindingPoint, buffer, offset, size);
_bufferBindings[target][bindingPoint] = binding;
}
}
public void SetTransformFeedbackBuffer(int index, BufferRange buffer)
{
const BufferRangeTarget target = BufferRangeTarget.TransformFeedbackBuffer;
if (_tfEnabled)
{
GL.PauseTransformFeedback();
GL.BindBufferRange(target, index, buffer.Handle.ToInt32(), (IntPtr)buffer.Offset, buffer.Size);
GL.ResumeTransformFeedback();
}
else
{
GL.BindBufferRange(target, index, buffer.Handle.ToInt32(), (IntPtr)buffer.Offset, buffer.Size);
}
}
public static void BindBuffer(BufferTarget target, int id, int index, IntPtr off, IntPtr size)
{
if (target != BufferTarget.TransformFeedbackBuffer && target != BufferTarget.UniformBuffer)
{
throw new Exception("Incorrect Function Called, Use other Overload");
}
if (boundBuffers[target][index].Count == 0)
{
boundBuffers[target][index].Push(0);
}
if (boundBuffers[target][index].Peek() != id || id == 0)
{
GL.BindBufferRange((BufferRangeTarget)target, index, id, off, size);
}
boundBuffers[target][index].Push(id);
}
private void SetBuffer(int bindingPoint, BufferRange buffer, bool isStorage)
{
BufferRangeTarget target = isStorage
? BufferRangeTarget.ShaderStorageBuffer
: BufferRangeTarget.UniformBuffer;
if (buffer.Buffer == null)
{
GL.BindBufferRange(target, bindingPoint, 0, IntPtr.Zero, 0);
return;
}
int bufferHandle = ((Buffer)buffer.Buffer).Handle;
IntPtr bufferOffset = (IntPtr)buffer.Offset;
GL.BindBufferRange(target, bindingPoint, bufferHandle, bufferOffset, buffer.Size);
}
private void CommitNewConstantBufferBindings_SingleBind()
{
int remainingBindings = _newConstantBuffersCount;
for (int slot = 0; slot < _maxConstantBufferSlots; slot++)
{
if (remainingBindings == 0)
{
return;
}
OpenGLConstantBuffer cb = _newConstantBuffersBySlot[slot];
if (cb != null)
{
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, slot, cb.BufferID, IntPtr.Zero, cb.BufferSize);
remainingBindings -= 1;
}
}
}
private void BindBuffers()
{
GenerateMaterialBlock();
foreach (ShaderAttributeIds id in VertexData.EnabledAttributes)
{
int buffer_id = VertexData.GetAttributeBufferId(id);
GL.BindBuffer(BufferTarget.ArrayBuffer, buffer_id);
GL.EnableVertexAttribArray((int)id);
GL.VertexAttribPointer((int)id, VertexData.GetAttributeSize(id), VertexData.GetAttributePointerType(id), false, VertexData.GetStride(id), 0);
}
GL.BindBuffer(BufferTarget.ElementArrayBuffer, VertexData.IndexBufferId);
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, 0, UBOId, MaterialBlockOffset, Marshal.SizeOf(typeof(MaterialBlock)));
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, 1, MBOId, MatrixBlockOffset, Marshal.SizeOf(typeof(MatrixBlock)));
}
/// <summary>
/// Initializes the camera's matrices and Uniform Buffer.
/// </summary>
/// <param name="window">The dimensions of the window being used. Creates the aspect ratio. </param>
/// <param name="z_Near">The location of the near clipping plane.</param>
/// <param name="z_Far">The location of the far clipping plane.</param>
/// <param name="location">The three dimensional coordinates for the camera eye.</param>
/// <param name="target">The three dimensional coordinates where the camera is looking.</param>
public static void Initialize(Size window, float z_Near, float z_Far, Vector3 location, Vector3 target)
{
cameraeyelocation = location;
cameraeyetarget = target;
windowSize = window;
// Create the perspective and view matrices.
matricies.Perspective = Matrix4.CreatePerspectiveFieldOfView(MathHelper.PiOver4, (float)window.Width / (float)window.Height, z_Near, z_Far);
matricies.View = Matrix4.LookAt(location, target, new Vector3(0.0f, 1.0f, 0.0f));
// Create the Uniform Buffer and load our matrix data.
GL.GenBuffers(1, out globalCameraUBO);
GL.BindBuffer(BufferTarget.UniformBuffer, globalCameraUBO);
GL.BufferData(BufferTarget.UniformBuffer, GlobalMatrix.SizeInBytes, ref matricies, BufferUsageHint.StreamDraw);
GL.BindBuffer(BufferTarget.UniformBuffer, 0);
// Set this here so that everything will error if we haven't initialize the camera
globalCameraBindingIndex = 1;
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, globalCameraBindingIndex, globalCameraUBO, IntPtr.Zero, GlobalMatrix.SizeInBytes);
}
/// <summary>
/// Parse command line and attach the buffer object
/// to the specified unit (output stream).
/// </summary>
/// <param name="unit">Vertex output stream unit.</param>
/// <param name="cmd">Command line to process.</param>
/// <param name="scene">Dictionary of scene objects.</param>
/// <param name="err">Compiler exception collector.</param>
private void Attach(int unit, Compiler.Command cmd, Dict scene, CompileException err)
{
if (cmd.ArgCount == 0)
{
err.Add("Command buff needs at least one attribute (e.g. 'buff buff_name')", cmd);
return;
}
// get buffer
var buf = scene.GetValueOrDefault <GLBuffer>(cmd[0].Text);
if (buf == null)
{
err.Add($"The name '{cmd[0]}' does not reference an object of type 'buffer'.", cmd);
return;
}
// parse offset
int offset = 0;
if (cmd.ArgCount > 1 && int.TryParse(cmd[1].Text, out offset) == false)
{
err.Add($"The second parameter (offset) of buff {unit} is invalid.", cmd);
return;
}
// parse size
int size = buf.Size;
if (cmd.ArgCount > 2 && int.TryParse(cmd[2].Text, out size) == false)
{
err.Add($"The third parameter (size) of buff {unit} is invalid.", cmd);
return;
}
// bind buffer to transform feedback
GL.BindBufferRange(BufferRangeTarget.TransformFeedbackBuffer,
unit, buf.glname, (IntPtr)offset, (IntPtr)size);
}
public void LoadLayout(string name)
{
if (!uniformBlocks.ContainsKey(name))
{
//Get block indices
var uniformID = GL.GetUniformBlockIndex(program, name);
//Link them
GL.UniformBlockBinding(program, uniformID, 0);
int buffer;
GL.GenBuffers(1, out buffer);
uniformBlocks.Add(name, buffer);
var dataValues = new Vector4[3]
{
new Vector4(1, 0, 0, 0),
new Vector4(0, 1, 0, 0),
new Vector4(0, 0, 1, 0)
};
var totalSize = (Vector3.SizeInBytes + 4) * dataValues.Length; //Add 4 for alignment
GL.BindBuffer(BufferTarget.UniformBuffer, buffer);
GL.BufferData(BufferTarget.UniformBuffer,
totalSize,
IntPtr.Zero,
BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.UniformBuffer, 0);
// define the range of the buffer that links to a uniform binding point
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, 0, buffer,
IntPtr.Zero, totalSize);
GL.BindBuffer(BufferTarget.UniformBuffer, buffer);
GL.BufferSubData <Vector4>(BufferTarget.UniformBuffer, IntPtr.Zero, (Vector3.SizeInBytes + 4) * dataValues.Length, dataValues); //Add 4 for alignment
GL.BindBuffer(BufferTarget.UniformBuffer, 0);
}
}
private void extractBokeh(fx_Quad quad, Texture depth_texture, Texture scene_texture)
{
_fHalfResolution.bind(DrawBuffersEnum.ColorAttachment5);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Viewport(0, 0, _tDOF_Scene.width, _tDOF_Scene.height);
_pBokeh_Extract.bind();
scene_texture.bind(_pBokeh_Extract.getSamplerUniform(0), 0);
depth_texture.bind(_pBokeh_Extract.getSamplerUniform(1), 1);
_tCOC_Final.bind(_pBokeh_Extract.getSamplerUniform(2), 2);
_tBokeh_Positions.bindImageUnit(_pBokeh_Extract.getSamplerUniform(3), 3, TextureAccess.WriteOnly);
_tBokeh_Colors.bindImageUnit(_pBokeh_Extract.getSamplerUniform(4), 4, TextureAccess.WriteOnly);
GL.BindBufferRange(BufferRangeTarget.AtomicCounterBuffer, 0, _bokeh_indirect_buffer, (IntPtr)4, (IntPtr)sizeof(uint));
GL.Uniform1(_pBokeh_Extract.getUniform("bokeh_counter"), 0);
quad.render();
GL.MemoryBarrier(MemoryBarrierFlags.AllBarrierBits);
}
public static bool BufferMaterials(ComposedShader shader, List <ShaderMaterial> materials, string name)
{
int uboMaterial;
int uboIndex; // Index to use for the buffer binding. All binding indicies start from 0
ShaderMaterial[] _materials;
ShaderMaterial[] src;
_materials = new ShaderMaterial[16]; // finely-sharpened imposes a limit of 16 of materials per object
src = materials.ToArray();
Array.Copy(src, 0, _materials, 0, src.Length);
uboIndex = 0;
uboMaterial = GL.GenBuffer();
GL.BindBuffer(BufferTarget.UniformBuffer, uboMaterial);
// Allocate Memory Request
GL.BufferData <ShaderMaterial>(BufferTarget.UniformBuffer,
(IntPtr)(_materials.Length * ShaderMaterial.Size),
_materials, BufferUsageHint.StaticDraw);
// Bind the created Uniform Buffer to the Buffer Index
GL.BindBufferRange(BufferRangeTarget.UniformBuffer,
uboIndex,
uboMaterial,
(IntPtr)0,
_materials.Length * ShaderMaterial.Size
);
// Cleanup
GL.BindBuffer(BufferTarget.UniformBuffer, 0);
return(true);
}
public static bool BufferMaterial(ComposedShader shader, ShaderMaterial material, string name, out int uboMaterial)
{
int uboIndex; // Index to use for the buffer binding (All good things start at 0 )
//int uniformBlockLocation;
uboIndex = 0;
//uniformBlockLocation = GL.GetUniformBlockIndex(shader.ShaderHandle, name);
//if(UniformBlockLocation > -1)
//{
// GL.UniformBlockBinding(shader.ShaderHandle, uniformBlockLocation, uboIndex);
//}
uboMaterial = GL.GenBuffer();
GL.BindBuffer(BufferTarget.UniformBuffer, uboMaterial);
// Allocate Memory Request
GL.BufferData(BufferTarget.UniformBuffer,
(IntPtr)(ShaderMaterial.Size), (IntPtr)(null), BufferUsageHint.DynamicDraw);
// Bind the created Uniform Buffer to the Buffer Index
GL.BindBufferRange(BufferRangeTarget.UniformBuffer,
uboIndex,
uboMaterial,
(IntPtr)0, ShaderMaterial.Size
);
GL.BufferSubData <ShaderMaterial>(BufferTarget.UniformBuffer, (IntPtr)0, ShaderMaterial.Size, ref material);
GL.BindBuffer(BufferTarget.UniformBuffer, 0);
return(true);
}
private static unsafe void OnLoad()
{
Gl = GL.GetApi();
camera = new Camera();
backpack = new Model(Gl, "res/backpack/backpack.obj");
shader = new Shader(Gl, "shader.vert", "shader.frag");
shader.Use();
shader.SetFloat("material.shininess", 32.0f);
Gl.UniformBlockBinding(shader.ID, Gl.GetUniformBlockIndex(shader.ID, "Matrices"), 0);
matrices = Gl.GenBuffer();
Gl.BindBuffer(BufferTargetARB.UniformBuffer, matrices);
Gl.BufferData(BufferTargetARB.UniformBuffer, (uint)(2 * sizeof(Matrix4x4)), null, BufferUsageARB.StaticDraw);
Gl.BindBufferRange(BufferTargetARB.UniformBuffer, 0, matrices, 0, (uint)(2 * sizeof(Matrix4x4)));
Matrix4x4 projectionMat = Matrix4x4.CreatePerspectiveFieldOfView(Util.ToRadians(Fov), 800f / 600f, .1f, 100f);
Gl.BufferSubData(BufferTargetARB.UniformBuffer, 0, (uint)sizeof(Matrix4x4), &projectionMat);
screenShader = new Shader(Gl, "screenshader.vert", "screenshader.frag");
depthShader = new Shader(Gl, "depthshader.vert", "depthshader.frag");
quadVao = Gl.GenVertexArray();
Gl.BindVertexArray(quadVao);
quadVbo = Gl.GenBuffer();
Gl.BindBuffer(BufferTargetARB.ArrayBuffer, quadVbo);
fixed(void *i = &quadVertices[0])
Gl.BufferData(BufferTargetARB.ArrayBuffer, (uint)(quadVertices.Length * sizeof(float)), i, BufferUsageARB.StaticDraw);
Gl.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 4 * sizeof(float), (void *)0);
Gl.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 4 * sizeof(float), (void *)(2 * sizeof(float)));
Gl.EnableVertexAttribArray(0);
Gl.EnableVertexAttribArray(1);
Gl.BindVertexArray(0);
Gl.Enable(EnableCap.DepthTest);
Gl.Enable(EnableCap.StencilTest);
Gl.Enable(EnableCap.CullFace);
Gl.CullFace(CullFaceMode.Back);
fbo = Gl.GenFramebuffer();
Gl.BindFramebuffer(FramebufferTarget.Framebuffer, fbo);
screenTexture = Gl.GenTexture();
Gl.BindTexture(TextureTarget.Texture2D, screenTexture);
Gl.TexImage2D(TextureTarget.Texture2D, 0, (int)InternalFormat.Rgb, 800, 600, 0, PixelFormat.Rgb, PixelType.UnsignedByte, null);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
Gl.BindTexture(TextureTarget.Texture2D, 0);
Gl.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, screenTexture, 0);
rbo = Gl.GenRenderbuffer();
Gl.BindRenderbuffer(RenderbufferTarget.Renderbuffer, rbo);
Gl.RenderbufferStorage(RenderbufferTarget.Renderbuffer, InternalFormat.Depth24Stencil8, 800, 600);
Gl.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
Gl.FramebufferRenderbuffer(GLEnum.Framebuffer, GLEnum.DepthStencilAttachment, GLEnum.Renderbuffer, rbo);
fboShadow = Gl.GenFramebuffer();
Gl.BindFramebuffer(FramebufferTarget.Framebuffer, fboShadow);
shadowMap = Gl.GenTexture();
Gl.BindTexture(TextureTarget.Texture2D, shadowMap);
Gl.TexImage2D(TextureTarget.Texture2D, 0, (int)InternalFormat.DepthComponent,
shadowMapSize, shadowMapSize, 0, PixelFormat.DepthComponent, PixelType.Float, null);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToBorder);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToBorder);
float[] borderColor = new float[] { 1, 1, 1, 1 };
fixed(float *i = &borderColor[0])
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBorderColor, i);
shadowCube = Gl.GenTexture();
Gl.BindTexture(TextureTarget.TextureCubeMap, shadowCube);
for (int i = 0; i < 6; i++)
{
Gl.TexImage2D(TextureTarget.TextureCubeMapPositiveX + i, 0, (int)InternalFormat.DepthComponent,
shadowMapSize, shadowMapSize, 0, PixelFormat.DepthComponent, PixelType.Float, null);
}
Gl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
Gl.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
Gl.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapR, (int)TextureWrapMode.ClampToEdge);
//Gl.FramebufferTexture2D(GLEnum.Framebuffer, GLEnum.DepthAttachment, GLEnum.Texture2D, shadowMap, 0);
Gl.FramebufferTexture(GLEnum.Framebuffer, GLEnum.DepthAttachment, shadowCube, 0);
Gl.DrawBuffer(DrawBufferMode.None);
Gl.ReadBuffer(ReadBufferMode.None);
Gl.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
Gl.BindTexture(TextureTarget.Texture2D, 0);
Gl.BindTexture(TextureTarget.TextureCubeMap, 0);
if (Gl.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != GLEnum.FramebufferComplete)
{
Console.WriteLine("Oh boy, Framebuffer bad!");
}
Gl.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
Sun = new DirectionalLight(new Vector3(0.65854764f, -0.5150382f, -0.54868096f), new Vector3(0.01f, 0.01f, 0.01f), new Vector3(0.976f, 0.717f, 0.423f), new Vector3(0.976f, 0.717f, 0.423f));
FlashLight = new SpotLight(camera.Position, (float)Math.Cos(Util.ToRadians(1.5f)), (float)Math.Cos(Util.ToRadians(20f)));
PointLights = new PointLight[lightPositions.Length];
for (int i = 0; i < lightPositions.Length; i++)
{
PointLights[i] = new PointLight(lightPositions[i]);
}
vec3 lightPos = new vec3(PointLights[0].Position.X, PointLights[0].Position.Y, PointLights[0].Position.Z);
shadowCubeLookMats[0] = mat4.LookAt(lightPos, lightPos + new vec3(1, 0, 0), new vec3(0, -1, 0));
shadowCubeLookMats[1] = mat4.LookAt(lightPos, lightPos + new vec3(-1, 0, 0), new vec3(0, -1, 0));
shadowCubeLookMats[2] = mat4.LookAt(lightPos, lightPos + new vec3(0, 1, 0), new vec3(0, 0, 1));
shadowCubeLookMats[3] = mat4.LookAt(lightPos, lightPos + new vec3(0, -1, 0), new vec3(0, 0, -1));
shadowCubeLookMats[4] = mat4.LookAt(lightPos, lightPos + new vec3(0, 0, 1), new vec3(0, -1, 0));
shadowCubeLookMats[5] = mat4.LookAt(lightPos, lightPos + new vec3(0, 0, -1), new vec3(0, -1, 0));
}
public void Bind(BufferTargetARB target, uint bindingIndex) => GL.BindBufferRange(target, bindingIndex, Handle, GetCurrentOffset(), Size);
public void BindBufferRange(int target, uint index, uint buffer, IntPtr offset, IntPtr size)
{
GL.BindBufferRange((BufferRangeTarget)target, index, buffer, offset, size);
}
/// <summary>
/// Binds part of a buffer to the binding index utilized by the given transform feeedback varying.
/// </summary>
/// <remarks>
/// If multiple parts of the same buffer are bound as transform feedback output targets they must not overlap.
/// </remarks>
/// <param name="transformOut">Specifies a transform feedback varying.</param>
/// <param name="buffer">Specifies a buffer object to bind.</param>
/// <param name="offset">Specifies the starting offset in bytes into the buffer object.</param>
/// <param name="size">Specifies the amount of data in bytes that can be written to the buffer.</param>
public void BindOutput <T>(TransformOut transformOut, Buffer <T> buffer, int offset, int size)
where T : struct
{
AssertActive();
GL.BindBufferRange(BufferRangeTarget.TransformFeedbackBuffer, transformOut.Index, buffer.Handle, (IntPtr)offset, (IntPtr)size);
}
public void BindStorageBuffer(uint binding, uint bufferId, IntPtr offset, IntPtr size)
{
GL.BindBufferRange(BufferRangeTarget.ShaderStorageBuffer, binding, bufferId, offset, size);
}
internal void BindToBlock(int program, int uniformBlockIndex, int dataSize, int uniformBindingIndex)
{
Bind();
GL.BindBufferRange(BufferRangeTarget.UniformBuffer, uniformBindingIndex, BufferID, IntPtr.Zero, dataSize);
GL.UniformBlockBinding(program, uniformBlockIndex, uniformBindingIndex);
}