protected override void DestroyResources() { _textureBuffer.Dispose(); _depthBuffer.Dispose(); _renderTargetView.Dispose(); _isInitialized = false; }
/// <summary> /// Called on program close. /// Disposes of variables taking up resources. /// </summary> public void Dispose() { swapChain.Dispose(); device.Dispose(); deviceContext.Dispose(); renderForm.Dispose(); raymarchShaderBuffer.Dispose(); noiseTextureBuffer.Dispose(); foreach (var buffer in primitivesBuffer) { buffer.Dispose(); } }
private void UpdateResources(int width, int height) { { if (this.headTexture != null) { this.headTexture.Dispose(); } int level = 0, border = 0; uint internalformat = GL.GL_R32UI, format = GL.GL_RED_INTEGER, type = GL.GL_UNSIGNED_BYTE; var storage = new TexImage2D(TexImage2D.Target.Texture2D, level, internalformat, width, height, border, format, type); var texture = new Texture(TextureTarget.Texture2D, storage, TexParameter.Create(TexParameter.PropertyName.TextureWrapT, (int)GL.GL_REPEAT), TexParameter.Create(TexParameter.PropertyName.TextureWrapS, (int)GL.GL_REPEAT), TexParameter.Create(TexParameter.PropertyName.TextureWrapR, (int)GL.GL_REPEAT), TexParameter.Create(TexParameter.PropertyName.TextureMinFilter, (int)GL.GL_NEAREST), TexParameter.Create(TexParameter.PropertyName.TextureMagFilter, (int)GL.GL_NEAREST) ); texture.Initialize(); this.headTexture = texture; } // Create buffer for clearing the head pointer texture { if (this.headClearBuffer != null) { this.headClearBuffer.Dispose(); } int length = width * height; // NOTE: not all initial values are zero in this unmanged array. PixelUnpackBuffer buffer = PixelUnpackBuffer.Create(typeof(uint), length, BufferUsage.StaticDraw); // initialize buffer's value to 0. //unsafe //{ // IntPtr pointer = ptr.MapBuffer(MapBufferAccess.WriteOnly); // var array = (uint*)pointer.ToPointer(); // for (int i = 0; i < MAX_FRAMEBUFFER_WIDTH * MAX_FRAMEBUFFER_HEIGHT; i++) // { // array[i] = 0; // } //} // another way to initialize buffer's value to 0. //using (var data = new UnmanagedArray<uint>(1)) //{ // data[0] = 0; // ptr.ClearBufferData(OpenGL.GL_UNSIGNED_INT, OpenGL.GL_RED, OpenGL.GL_UNSIGNED_INT, data); //} this.headClearBuffer = buffer; } // Bind it to a texture (for use as a TBO) { if (this.linkedListTexture != null) { this.linkedListTexture.Dispose(); } int length = width * height * 3; TextureBuffer buffer = TextureBuffer.Create(typeof(vec4), length, BufferUsage.DynamicCopy); uint internalFormat = GL.GL_RGBA32UI; Texture texture = buffer.DumpBufferTexture(internalFormat, autoDispose: true); texture.Initialize(); buffer.Dispose();// dispose it ASAP. this.linkedListTexture = texture; } }
protected override void DoInitialize() { this.buildListsRenderer.Initialize(); this.resolve_lists.Initialize(); { var texture = new Texture(TextureTarget.Texture2D, new NullImageFiller(MAX_FRAMEBUFFER_WIDTH, MAX_FRAMEBUFFER_HEIGHT, OpenGL.GL_R32UI, OpenGL.GL_RED_INTEGER, OpenGL.GL_UNSIGNED_BYTE), new SamplerParameters(TextureWrapping.Repeat, TextureWrapping.Repeat, TextureWrapping.Repeat, TextureFilter.Nearest, TextureFilter.Nearest)); texture.Initialize(); this.headTexture = texture; OpenGL.BindImageTexture(0, this.headTexture.Id, 0, true, 0, OpenGL.GL_READ_WRITE, OpenGL.GL_R32UI); } // Create buffer for clearing the head pointer texture { const int length = MAX_FRAMEBUFFER_WIDTH * MAX_FRAMEBUFFER_HEIGHT; PixelUnpackBuffer buffer = PixelUnpackBuffer.Create(typeof(uint), length, BufferUsage.StaticDraw); // NOTE: not all initial values are zero in this unmanged array. // initialize buffer's value to 0. //unsafe //{ // IntPtr pointer = ptr.MapBuffer(MapBufferAccess.WriteOnly); // var array = (uint*)pointer.ToPointer(); // for (int i = 0; i < MAX_FRAMEBUFFER_WIDTH * MAX_FRAMEBUFFER_HEIGHT; i++) // { // array[i] = 0; // } //} // another way to initialize buffer's value to 0. //using (var data = new UnmanagedArray<uint>(1)) //{ // data[0] = 0; // ptr.ClearBufferData(OpenGL.GL_UNSIGNED_INT, OpenGL.GL_RED, OpenGL.GL_UNSIGNED_INT, data); //} this.headClearBuffer = buffer; } // Create the atomic counter buffer { const int length = 1; AtomicCounterBuffer buffer = AtomicCounterBuffer.Create(typeof(uint), length, BufferUsage.DynamicCopy); // another way to do this: //uint data = 1; //AtomicCounterBuffer buffer = data.GenAtomicCounterBuffer(BufferUsage.DynamicCopy); this.atomicCountBuffer = buffer; } // Bind it to a texture (for use as a TBO) { const int length = MAX_FRAMEBUFFER_WIDTH * MAX_FRAMEBUFFER_HEIGHT * 3; TextureBuffer buffer = TextureBuffer.Create(typeof(vec4), length, BufferUsage.DynamicCopy); Texture texture = buffer.DumpBufferTexture(OpenGL.GL_RGBA32UI, autoDispose: true); texture.Initialize(); buffer.Dispose();// dispose it ASAP. this.linkedListTexture = texture; } { //TextureBuffer buffer = TextureBuffer.Create() } { OpenGL.BindImageTexture(1, this.linkedListTexture.Id, 0, false, 0, OpenGL.GL_WRITE_ONLY, OpenGL.GL_RGBA32UI); } OpenGL.ClearDepth(1.0f); }