public void SetIndices(int[] indices, int elementCount)
{
if (indices == null)
{
throw new ArgumentNullException(nameof(indices));
}
elements = elementCount;
indexBuffer.Bind();
indexBuffer.CopyData(indices);
indexBuffer.Unbind();
}
public void CanDrawSquare()
{
VertexBuffer vbuf = new VertexBuffer(Test_VertexBuffer.CUBE_VERTICES.Length);
vbuf.CopyData(Test_VertexBuffer.CUBE_VERTICES);
IndexBuffer ibuf = new IndexBuffer(Test_IndexBuffer.CUBE_INDICES.Length);
ibuf.CopyData(Test_IndexBuffer.CUBE_INDICES);
VertexFormat vfmt = new VertexFormat(Test_VertexFormat.CUBE_ATTRIBUTES);
GraphicsSystem.BeginFrame();
GraphicsSystem.Clear(Color.Black);
GraphicsSystem.Draw(vbuf, vfmt, ibuf);
GraphicsSystem.EndFrame();
GraphicsSystem.Swap();
Bitmap image = _wnd.GrabScreen();
Assert.IsTrue(0 == image.GetPixel(30,30).R, "Square is larger than expected");
Assert.IsTrue(0 < image.GetPixel(48,48).R, "Square was not rendered");
}
public StaticDisplayList(T[] vertices, int[] indices, uint vertexSize, OpenGL.PrimitiveType primitiveType = OpenGL.PrimitiveType.Triangles, ShaderPipeline pipeline = null, VertexAttributeDescription[] attributes = null) : base(vertexSize, pipeline, attributes)
{
if (vertices == null)
{
throw new ArgumentNullException(nameof(vertices));
}
if (indices == null)
{
throw new ArgumentNullException(nameof(indices));
}
vertexArrayBuffer = new VertexArrayBuffer <T>(vertexSize, OpenGL.BufferUsage.StaticDraw, primitiveType);
indexBuffer = new IndexBuffer <T>(OpenGL.BufferUsage.StaticDraw);
vertexArrayObject = new VertexArrayObject <T>(vertexArrayBuffer, this.pipeline, vertexAttributes);
vertexArrayBuffer.Bind();
indexBuffer.Bind();
vertexArrayBuffer.CopyData(vertices);
indexBuffer.CopyData(indices);
indexBuffer.Unbind();
vertexArrayBuffer.Unbind();
elementCount = indices.Length;
}
protected void Setup()
{
var vs = DefaultShader.FromType(typeof(VertexPositionColorTexture), PlainCore.Graphics.Core.ShaderType.Vertex);
var fs = DefaultShader.FromType(typeof(VertexPositionColorTexture), PlainCore.Graphics.Core.ShaderType.Fragment);
pipeline = new ShaderPipeline(vs, fs);
buffer = new VertexArrayBuffer <VertexPositionColorTexture>(32, OpenGL.BufferUsage.StaticDraw);
indexBuffer = new IndexBuffer <VertexPositionColorTexture>(OpenGL.BufferUsage.StaticDraw);
vao = new VertexArrayObject <VertexPositionColorTexture>(buffer, pipeline,
DefaultVertexDefinition.FromType(typeof(VertexPositionColorTexture)));
texture = new DeviceTexture(DefaultShader.DEFFAULT_TEXTURE_UNIFORM_NAME, 100, 100, true);
defaultFramebuffer = Framebuffer.GetDefault();
var imageData = Image.Load("Example.png").SavePixelData();
texture.Bind();
texture.CopyData(imageData);
buffer.Bind();
buffer.CopyData(_ArrayPosition);
buffer.Unbind();
indexBuffer.Bind();
indexBuffer.CopyData(indexArray);
indexBuffer.Unbind();
worldMatrix = new Matrix4fUniform(DefaultShader.MVP_UNIFORM_NAME);
}