private void VertexArrayBufferValues(VertexArrayObject vertexArray, string attributeSemantic, ArrayBufferObjectBase arrayBuffer, uint arraySectionIndex)
{
VertexArrayObject.VertexArray vertexArrayBuffer = vertexArray.GetVertexArray(attributeSemantic);
Assert.IsFalse(arrayBuffer.IsDisposed);
Assert.IsNotNull(vertexArrayBuffer);
Assert.AreSame(arrayBuffer, vertexArrayBuffer.ArrayBuffer);
Assert.AreEqual(arraySectionIndex, vertexArrayBuffer.ArraySectionIndex);
}
private void UpdateVertexArrayObject()
{
if (vertexArrayObject)
{
vertexArrayObject.DisposeAndKeepBuffers();
}
vertexArrayObject = null;
if (!mesh || !material)
{
return;
}
vertexArrayObject = new VertexArrayObject(mesh.vertexArrayObject);
vertexArrayObject.ApplyWithShader(material.shader);
}
public void SetArraySectionByBlock()
{
ArrayBufferObjectBase arrayBuffer1 = null, arrayBuffer2 = null, arrayBuffer3 = null;
try {
arrayBuffer1 = new ArrayBufferObject(VertexBaseType.Float, 3, BufferObjectHint.StaticCpuDraw);
arrayBuffer1.Create(16);
arrayBuffer2 = new ArrayBufferObjectInterleaved(typeof(ComplexVertexElement), BufferObjectHint.StaticCpuDraw);
arrayBuffer2.Create(16);
arrayBuffer3 = new ArrayBufferObjectPacked(typeof(ComplexVertexElement), BufferObjectHint.StaticCpuDraw);
arrayBuffer3.Create(16);
using (VertexArrayObject vertexArray = new VertexArrayObject()) {
// Set array buffers to different attributes
Assert.DoesNotThrow(delegate () { vertexArray.SetArray(arrayBuffer1, 0, "attribute1", null); });
VertexArrayBufferValues(vertexArray, "attribute1", null, arrayBuffer1, 0);
Assert.DoesNotThrow(delegate () { vertexArray.SetArray(arrayBuffer2, 0, "attribute2", null); });
VertexArrayBufferValues(vertexArray, "attribute2", null, arrayBuffer2, 0);
Assert.DoesNotThrow(delegate () { vertexArray.SetArray(arrayBuffer2, 1, "attribute3", null); });
VertexArrayBufferValues(vertexArray, "attribute3", null, arrayBuffer2, 1);
Assert.DoesNotThrow(delegate () { vertexArray.SetArray(arrayBuffer3, 2, "attribute4", null); });
VertexArrayBufferValues(vertexArray, "attribute4", null, arrayBuffer3, 2);
}
Assert.IsTrue(arrayBuffer1.IsDisposed);
Assert.IsTrue(arrayBuffer2.IsDisposed);
Assert.IsTrue(arrayBuffer3.IsDisposed);
} finally {
if (arrayBuffer1 != null && !arrayBuffer1.IsDisposed)
arrayBuffer1.Dispose();
if (arrayBuffer2 != null && !arrayBuffer2.IsDisposed)
arrayBuffer2.Dispose();
if (arrayBuffer3 != null && !arrayBuffer3.IsDisposed)
arrayBuffer3.Dispose();
}
}
/// <summary>Renders a static frustrum based background</summary>
/// <param name="data">The background to render</param>
/// <param name="alpha">The alpha level</param>
/// <param name="scale">The scale</param>
private void RenderStaticBackgroundRetained(StaticBackground data, float alpha, float scale)
{
if (data.Texture != null && renderer.currentHost.LoadTexture(data.Texture, OpenGlTextureWrapMode.RepeatClamp))
{
renderer.LastBoundTexture = data.Texture.OpenGlTextures[(int)OpenGlTextureWrapMode.RepeatClamp];
GL.Enable(EnableCap.Texture2D);
if (alpha == 1.0f)
{
GL.Disable(EnableCap.Blend);
}
else
{
GL.Enable(EnableCap.Blend);
}
if (data.VAO == null)
{
data.CreateVAO(renderer.DefaultShader.VertexLayout, renderer);
}
renderer.DefaultShader.Activate();
renderer.ResetShader(renderer.DefaultShader);
// matrix
renderer.DefaultShader.SetCurrentProjectionMatrix(renderer.CurrentProjectionMatrix);
renderer.DefaultShader.SetCurrentModelViewMatrix(Matrix4D.Scale(scale) * renderer.CurrentViewMatrix);
// fog
if (renderer.OptionFog)
{
renderer.DefaultShader.SetIsFog(true);
renderer.DefaultShader.SetFog(renderer.Fog);
}
// texture
renderer.DefaultShader.SetIsTexture(true);
GL.BindTexture(TextureTarget.Texture2D, data.Texture.OpenGlTextures[(int)OpenGlTextureWrapMode.RepeatClamp].Name);
renderer.LastBoundTexture = null;
// alpha test
renderer.SetAlphaFunc(AlphaFunction.Greater, 0.0f);
// blend mode
renderer.DefaultShader.SetOpacity(alpha);
// render polygon
VertexArrayObject VAO = (VertexArrayObject)data.VAO;
VAO.Bind();
renderer.lastVAO = VAO.handle;
for (int i = 0; i + 9 < 32 * 10; i += 10)
{
VAO.Draw(PrimitiveType.Quads, i, 4);
VAO.Draw(PrimitiveType.Triangles, i + 4, 3);
VAO.Draw(PrimitiveType.Triangles, i + 7, 3);
}
renderer.DefaultShader.Deactivate();
GL.Disable(EnableCap.Texture2D);
renderer.RestoreBlendFunc();
}
}
public void TestLineShaderRender()
{
using (ShaderProgram shaderProgram = ShadersLibrary.Instance.CreateProgram("OpenGL.Line")) {
Assert.DoesNotThrow(delegate() { shaderProgram.Create(_Context); });
using (VertexArrayObject vao = new VertexArrayObject()) {
List <Vertex2f> vertices = new List <Vertex2f>();
for (float y = 0.375f; y < _Framebuffer.Height; y += 2.0f)
{
vertices.Add(new Vertex2f(0.0f, y));
vertices.Add(new Vertex2f(_Framebuffer.Width, y));
}
// Setup ABO (Position)
ArrayBufferObject abo = new ArrayBufferObject(VertexBaseType.Float, 2, BufferObjectHint.StaticCpuDraw);
abo.Create(vertices.ToArray());
// Setup VAO
vao.SetArray(abo, VertexArraySemantic.Position);
vao.SetElementArray(PrimitiveType.Lines);
vao.Create(_Context);
// Draw test
Image feedbackImageFixed = null, feedbackImageShader = null;
try {
Gl.Viewport(0, 0, (int)_Framebuffer.Width, (int)_Framebuffer.Height);
#region Fixed pipeline
_Framebuffer.SetClearColor(new ColorRGBAF(0.0f, 0.0f, 0.0f));
_Framebuffer.Clear(_Context);
Gl.MatrixMode(MatrixMode.Projection);
Gl.LoadMatrix(new OrthoProjectionMatrix(0.0f, _Framebuffer.Width, 0.0f, _Framebuffer.Height).ToArray());
Gl.MatrixMode(MatrixMode.Modelview);
Gl.LoadIdentity();
Gl.Color3(1.0f, 1.0f, 1.0f);
Gl.LineWidth(1.0f);
vao.Draw(_Context);
feedbackImageFixed = _Framebuffer.ReadColorBuffer(_Context, 0, 0, 0, _Framebuffer.Width, _Framebuffer.Height, PixelLayout.GRAY8);
ImageCodec.Instance.Save(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "LineProgram.Fixed.png"),
feedbackImageFixed, ImageFormat.Png, null
);
#endregion
#region Shader pipeline
_Framebuffer.SetClearColor(new ColorRGBAF(0.0f, 0.0f, 0.0f));
_Framebuffer.Clear(_Context);
_Context.Bind(shaderProgram);
shaderProgram.SetUniform(_Context, "hal_ModelViewProjection", RenderProjectionMatrix);
shaderProgram.SetUniform(_Context, "hal_UniformColor", new ColorRGBA(1.0f, 1.0f, 1.0f));
shaderProgram.SetUniform(_Context, "hal_LineWidth", 1.0f);
shaderProgram.SetUniform(_Context, "hal_ViewportSize", new Vertex2f(_Framebuffer.Width, _Framebuffer.Height));
vao.Draw(_Context, shaderProgram);
feedbackImageShader = _Framebuffer.ReadColorBuffer(_Context, 0, 0, 0, _Framebuffer.Width, _Framebuffer.Height, PixelLayout.GRAY8);
ImageCodec.Instance.Save(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "LineProgram.Shader.png"),
feedbackImageShader, ImageFormat.Png, null
);
#endregion
// Compare results
} finally {
if (feedbackImageFixed != null)
{
feedbackImageFixed.Dispose();
}
if (feedbackImageShader != null)
{
feedbackImageShader.Dispose();
}
}
}
//// Get rendering feedback
//using (Image feedbackImage = _Framebuffer.ReadColorBuffer(_Context, 0, 0, 0, _Framebuffer.Width, _Framebuffer.Height, PixelLayout.GRAY8)) {
// // Drawn only even lines
// for (uint y = 0; y < _Framebuffer.Height; y++) {
// for (uint x = 0; x < _Framebuffer.Width; x++) {
// ColorGRAY8 fragment = (ColorGRAY8)feedbackImage[x, y];
// Assert.AreEqual((y % 2) == 0 ? 255 : 0, fragment.Level, String.Format("Color mismatch at {0}x{1}", x, y));
// }
// }
//}
}
}
void initScene()
{
heolBones[5] = 10f;
pawnBones [2] = 0.299f;
pawnBones [5] = 0.90812f;
int nbHeol = 5;
terrain = new Terrain(ClientRectangle.Size);
terrain.gridShader.ShadowMap = shadowMap;
vaoDeformables = new VertexArrayObject <WeightedMeshData, WeightedInstancedData> ();
vaoObjects = new VertexArrayObject <MeshData, InstancedData> ();
car = (VAOItem <InstancedData>)vaoObjects.Add(OBJMeshLoader.Load("Meshes/car.obj"));
car.DiffuseTexture = Tetra.Texture.Load("Meshes/0000.png");
car.InstancedDatas = new InstancedData[nbHeol];
for (int i = 0; i < nbHeol; i++)
{
Vector2 pos = new Vector2((float)rnd.Next(0, terrain.GridSize), (float)rnd.Next(0, terrain.GridSize));
car.InstancedDatas[i].modelMats = Matrix4.CreateScale(0.2f) * Matrix4.CreateTranslation(pos.X - (pos.X % 4f) + 0.5f, pos.Y - (pos.Y % 4f) + 0.5f, 0.1f);
}
car.UpdateInstancesData();
nbHeol = 50;
// trees = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/trees/treesTrunk.obj"));
// treesLeave = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/trees/treesLeaves.obj"));
// trees.DiffuseTexture = Tetra.Texture.Load ("Meshes/trees/treeTrunk.jpg");
// treesLeave.DiffuseTexture = Tetra.Texture.Load ("Meshes/trees/treeLeaves.png");
// trees.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// treesLeave.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// for (int i = 0; i < nbHeol; i++) {
// Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
// float angle = (float)(rnd.NextDouble() * Math.PI);
// trees.InstancedDatas[i].modelMats = Matrix4.CreateRotationZ(angle) * Matrix4.CreateScale(4f) * Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
// treesLeave.InstancedDatas [i].modelMats = trees.InstancedDatas [i].modelMats;
// }
// trees.UpdateInstancesData();
//
// treesLeave.UpdateInstancesData();
//HEOLIENNES
nbHeol = 5;
// heoliennes = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/heolienne.obj"));
// heoliennes.DiffuseTexture = Tetra.Texture.Load ("Meshes/heolienne.png");
// heoliennes.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// for (int i = 0; i < nbHeol; i++) {
// Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
// heoliennes.InstancedDatas[i].modelMats = Matrix4.CreateScale(0.1f) * Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
// heoliennes.InstancedDatas [i].quat0 = Quaternion.Identity;
// heoliennes.InstancedDatas [i].quat1 = Quaternion.Identity;
// heoliennes.InstancedDatas [i].quat2 = Quaternion.Identity;
// heoliennes.InstancedDatas [i].quat3 = Quaternion.Identity;
//// heoliennes.InstancedDatas [i].bpos0 = new Vector4 (0f, 0f, 0f, 0f);
//// heoliennes.InstancedDatas [i].bpos1 = new Vector4 (0f, 0f, 0f, 0f);
//// heoliennes.InstancedDatas [i].bpos2 = new Vector4 (0f, 0f, 0f, 0f);
//// heoliennes.InstancedDatas [i].bpos3 = new Vector4 (0f, 0f, 0f, 0f);
// }
// heoliennes.UpdateInstancesData();
nbHeol = 5;
heollow = (VAOItem <WeightedInstancedData>)vaoDeformables.Add(OBJMeshLoader.Load("Meshes/heolienne_lod0.obj"));
heollow.DiffuseTexture = Tetra.Texture.Load("Meshes/heollow.png");
heollow.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
for (int i = 0; i < nbHeol; i++)
{
Vector2 pos = new Vector2((float)rnd.Next(0, terrain.GridSize), (float)rnd.Next(0, terrain.GridSize));
heollow.InstancedDatas[i].modelMats = Matrix4.CreateTranslation(pos.X - (pos.X % 4f) + 0.5f, pos.Y - (pos.Y % 4f) + 0.5f, 0f);
heollow.InstancedDatas [i].quat0 = Quaternion.Identity;
heollow.InstancedDatas [i].quat1 = Quaternion.Identity;
heollow.InstancedDatas [i].quat2 = Quaternion.Identity;
heollow.InstancedDatas [i].quat3 = Quaternion.Identity;
// heollow.InstancedDatas [i].bpos0 = new Vector4 (0f, 0f, 0f, 0f);
// heollow.InstancedDatas [i].bpos1 = new Vector4 (0f, 0f, 0f, 0f);
// heollow.InstancedDatas [i].bpos2 = new Vector4 (0f, 0f, 0f, 0f);
// heollow.InstancedDatas [i].bpos3 = new Vector4 (0f, 0f, 0f, 0f);
}
heollow.UpdateInstancesData();
// pawn = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/pawn.obj"));
// pawn.DiffuseTexture = Tetra.Texture.Load ("Meshes/pawn.png");
// pawn.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// for (int i = 0; i < nbHeol; i++) {
// Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
// pawn.InstancedDatas[i].modelMats = Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
// pawn.InstancedDatas [i].quat0 = Quaternion.Identity;
// pawn.InstancedDatas [i].quat1 = Quaternion.Identity;
// pawn.InstancedDatas [i].quat2 = Quaternion.Identity;
// pawn.InstancedDatas [i].quat3 = Quaternion.Identity;
// }
// pawn.UpdateInstancesData();
//landItemsVao.ComputeTangents();
vaoDeformables.BuildBuffers();
vaoObjects.BuildBuffers();
// const float treezone = 32;
// const int treeCount = 50;
// transparentItemsVao = new VertexArrayObject<MeshData, VAOInstancedData> ();
//
// //====TREE1====
// // vaoi = transparentItemsVao.Add (Tetra.OBJMeshLoader.Load ("#Ottd3D.images.trees.obj__pinet1.obj"));
// // vaoi.DiffuseTexture = Tetra.Texture.Load("#Ottd3D.images.trees.pinet1.png");
// // vaoi.modelMats = new Matrix4[treeCount];
// // for (int i = 0; i < treeCount; i++) {
// // Vector2 pos = new Vector2 ((float)rnd.NextDouble() * treezone, (float)rnd.NextDouble() * treezone);
// // float scale = (float)rnd.NextDouble () * 0.002f + 0.004f;
// // vaoi.modelMats[i] =treeRot * Matrix4.CreateScale (scale)* Matrix4.CreateTranslation(pos.X, pos.Y, 0f);
// // }
// // vaoi.UpdateInstancesData ();
//
// //====TREE2====
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.simple.obj",
// // "#Ottd3D.images.trees.birch_tree_small_20131230_2041956203.png",400f);
//
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__pinet1.obj",
// // "#Ottd3D.images.trees.pinet1.png",5f);
// addRandomTrees (transparentItemsVao, treeCount,
// "images/trees/obj__pinet2.obj",
// "images/trees/pinet2.png",3f);
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__tree1.obj",
// // "#Ottd3D.images.trees.tree1.png",5f);
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__tree2.obj",
// // "#Ottd3D.images.trees.tree2.png", 5f);
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__tree3.obj",
// // "#Ottd3D.images.trees.tree3.png", 5f);
//
// //transparentItemsVao.ComputeTangents ();
// transparentItemsVao.BuildBuffers ();
}
public Graphics(UserControl control, SceneTime time, ShadingTechnique technique)
{
Assert.NotNull(control);
Assert.NotNull(time);
IsDisposed = false;
CurrentShadingTechnique = technique;
if (GL.GetCurrent(false) != null || GetCurrent(false) != null)
{
var error = "Only one NetGL view per thread is now supported. Try launching 3D view in different thread.";
Log.Error(error);
throw new InvalidOperationException(error);
}
_control = control;
_time = time;
try {
_glContext = new GL(_control.Handle);
}
catch {
Dispose();
throw;
}
_currentContext.Value = this;
_glContext.Enable(EnableCap.DepthTest);
_glContext.Enable(EnableCap.Texture2D);
_glContext.Enable(EnableCap.CullFace);
_glContext.Enable(EnableCap.ProgramPointSize);
_glContext.Enable(EnableCap.PointSprite);
_glContext.CullFace(MaterialFace.Back);
_glContext.FrontFace(FrontFaceDirection.CounterClockwise);
_glContext.BlendEquation(BlendEquations.FuncAdd);
_glContext.BlendFunc(BlendMode.SrcAlpha, BlendMode.OneMinusSrcAlpha);
_glContext.SwapInterval(_swapInterval);
_globalUniforms = new GlobalUniformsBufferObject();
_standartUniforms = new StandardUniformsBufferObject();
_defaultMaterial = new Material(MaterialType.DiffuseColor);
_blankTexture = new Texture2();
_blankTexture.SetImage(new byte[4] {
255, 0, 255, 255
}, new Size(1, 1), Core.PixelFormat.Rgba, Core.PixelInternalFormat.Rgba8);
_quadShader = new QuadShader();
_displayQuadVao = CreateDisplayQuadVao();
switch (CurrentShadingTechnique)
{
case ShadingTechnique.Forward:
_renderTechnique = new ForwardRender();
break;
case ShadingTechnique.Deferred:
_renderTechnique = new DeferredRender();
break;
default:
throw new NotSupportedException(CurrentShadingTechnique.ToString());
}
ScreenSize = _control.ClientSize;
}
public static void Initialize(GL_ControlModern control, float scale)
{
if (DefaultShaderProgram != null && DefaultShaderProgram.programs.ContainsKey(control))
{
return;
}
if (DefaultShaderProgram == null)
{
var solidColorFrag = new FragmentShader(
@"#version 330
uniform vec4 color;
out vec4 fragColor;
void main(){
fragColor = color;
}");
var solidColorVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
void main(){
gl_Position = mtxCam*mtxMdl*position;
}");
var defaultFrag = new FragmentShader(
@"#version 330
uniform vec4 highlight_color;
uniform sampler2D texture0;
in vec3 viewPosition;
in vec3 normal;
in vec2 f_texcoord0;
out vec4 fragColor;
void main(){
vec4 color = texture(texture0,f_texcoord0);
float hc_a = highlight_color.w;
vec4 colorComb = vec4(color.rgb * (1-hc_a) + highlight_color.rgb * hc_a, color.a);
vec3 displayNormal = (normal.xyz * 0.5) + 0.5;
float halfLambert = max(displayNormal.y,0.5);
vec4 colorOutput = vec4(colorComb.rgb * halfLambert, colorComb.a);
fragColor = colorOutput;
}");
var defaultVert = new VertexShader(
@"#version 330
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 vNormal;
layout(location = 2) in vec2 vTexCoord;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec3 normal;
out vec3 viewPosition;
out vec2 f_texcoord0;
void main(){
normal = vNormal;
viewPosition = position;
f_texcoord0 = vTexCoord;
gl_Position = mtxCam*mtxMdl*vec4(position, 1);
}");
DefaultShaderProgram = new ShaderProgram(defaultFrag, defaultVert, control);
SolidColorShaderProgram = new ShaderProgram(solidColorFrag, solidColorVert, control);
int buffer = GL.GenBuffer();
sphereVao = new VertexArrayObject(buffer);
sphereVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, 32, 0);
sphereVao.AddAttribute(1, 3, VertexAttribPointerType.Float, false, 32, 12);
sphereVao.AddAttribute(2, 2, VertexAttribPointerType.Float, false, 32, 24);
sphereVao.Initialize(control);
List <float> list = new List <float>();
Vertices = GetVertices(scale);
for (int i = 0; i < Vertices.Length; i++)
{
list.Add(Vertices[i].Position.X);
list.Add(Vertices[i].Position.Y);
list.Add(Vertices[i].Position.Z);
list.Add(Vertices[i].Normal.X);
list.Add(Vertices[i].Normal.Y);
list.Add(Vertices[i].Normal.Z);
list.Add(Vertices[i].TexCoord.X);
list.Add(Vertices[i].TexCoord.Y);
}
float[] data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
}
else
{
sphereVao.Initialize(control);
DefaultShaderProgram.Link(control);
SolidColorShaderProgram.Link(control);
}
}
protected override void DoRender(RenderEventArgs e)
{
GL.BindTexture(GL.GL_TEXTURE_3D, this.NoiseTextureID);
ShaderProgram program = this.shaderProgram;
// 绑定shader
program.Bind();
program.SetUniformMatrix4(strprojectionMatrix, projectionMatrix.to_array());
program.SetUniformMatrix4(strviewMatrix, viewMatrix.to_array());
program.SetUniformMatrix4(strmodelMatrix, modelMatrix.to_array());
program.SetUniform(strLightPos, LightPos.x, LightPos.y, LightPos.z);
program.SetUniform(strScale, this.Scale);
program.SetUniform(strTimeFromInit, this.TIME_FROM_INIT);
this.TIME_FROM_INIT += 0.0001f;
program.SetUniform(strNoise, this.NoiseTextureID);
program.SetUniform(strSkyColor, this.SkyColor.x, SkyColor.y, SkyColor.z);
program.SetUniform(strCloudColor, CloudColor.x, CloudColor.y, CloudColor.z);
int[] originalPolygonMode = new int[1];
GL.GetInteger(GetTarget.PolygonMode, originalPolygonMode);
GL.PolygonMode(PolygonModeFaces.FrontAndBack, this.polygonMode);
if (this.vertexArrayObject == null)
{
var vertexArrayObject = new VertexArrayObject(
this.positionBufferRenderer,
//this.colorBufferRenderer,
this.normalBufferRenderer,
this.indexBufferRenderer);
vertexArrayObject.Create(e, this.shaderProgram);
this.vertexArrayObject = vertexArrayObject;
}
else
{
this.vertexArrayObject.Render(e, this.shaderProgram);
}
GL.PolygonMode(PolygonModeFaces.FrontAndBack, (PolygonModes)(originalPolygonMode[0]));
// 解绑shader
program.Unbind();
GL.BindTexture(GL.GL_TEXTURE_3D, 0);
}
public FencedBufferObjects(VertexBuffer vbo, VertexArrayObject vao)
{
VBO = vbo;
VAO = vao;
}
public void SetArraySectionBySemantic_Exception2()
{
using (VertexArrayObject vertexArray = new VertexArrayObject()) {
using (ArrayBufferObject arrayBuffer = new ArrayBufferObject(VertexBaseType.Float, 3, BufferObjectHint.StaticCpuDraw)) {
// arrayBuffer is empty
Assert.Throws(Is.InstanceOf(typeof(ArgumentException)), delegate () { vertexArray.SetArray(arrayBuffer, 1, VertexArraySemantic.Position); });
}
}
}
public void Draw()
{
Vertex2f[] vertices = new Vertex2f[] {
new Vertex2f(0.0f, 0.0f),
new Vertex2f(1.0f, 0.0f),
new Vertex2f(1.0f, 1.0f),
new Vertex2f(0.0f, 1.0f),
};
using (VertexArrayObject vao = new VertexArrayObject()) {
// Setup ABO (Position)
ArrayBufferObject abo = new ArrayBufferObject(VertexBaseType.Float, 2, BufferObjectHint.StaticCpuDraw);
abo.Create(vertices);
// Setup VAO
vao.SetArray(abo, VertexArraySemantic.Position);
vao.SetElementArray(PrimitiveType.TriangleStrip);
vao.Create(_Context);
using (State.GraphicsStateSet currentState = State.GraphicsStateSet.GetDefaultSet()) {
// Set transform state
State.TransformStateBase stateTransform = (State.TransformStateBase)currentState[State.TransformStateBase.StateId];
// Set normalized orthogonal projection
stateTransform.LocalProjection = new OrthoProjectionMatrix(0.0f, 1.0f, 0.0f, 1.0f);
// Apply state
currentState.Apply(_Context);
// Draw
Assert.DoesNotThrow(delegate () { vao.Draw(_Context); });
}
}
}
public void SetArrayByBlock_Exception2()
{
using (VertexArrayObject vertexArray = new VertexArrayObject()) {
using (ArrayBufferObject arrayBuffer = new ArrayBufferObject(VertexBaseType.Float, 3, BufferObjectHint.StaticCpuDraw)) {
// arrayBuffer is empty
Assert.Throws(Is.InstanceOf(typeof(ArgumentException)), delegate () { vertexArray.SetArray(arrayBuffer, "attributeName", null); });
}
}
}
public void SetArraySectionBySemantic_Exception1()
{
using (VertexArrayObject vertexArray = new VertexArrayObject()) {
// attributeName is null
Assert.Throws(Is.InstanceOf(typeof(ArgumentException)), delegate () { vertexArray.SetArray(null, 0, null); });
// attributeName is empty
Assert.Throws(Is.InstanceOf(typeof(ArgumentException)), delegate () { vertexArray.SetArray(null, 0, String.Empty); });
}
}
public void SetArraySectionByBlock_Exception3()
{
using (VertexArrayObject vertexArray = new VertexArrayObject()) {
using (ArrayBufferObject arrayBuffer = new ArrayBufferObject(VertexBaseType.Float, 3, BufferObjectHint.StaticCpuDraw)) {
// Create the array buffer
arrayBuffer.Create(16);
// sectionIndex is out of range
Assert.Throws(Is.InstanceOf(typeof(ArgumentOutOfRangeException)), delegate () { vertexArray.SetArray(arrayBuffer, 1, "attributeName", null); });
}
}
}
public static void Initialize()
{
if (!Initialized)
{
var defaultFrag = new FragmentShader(
@"#version 330
uniform sampler2D tex;
in vec4 fragColor;
in vec3 fragPosition;
in vec2 uv;
void main(){
gl_FragColor = fragColor*((fragPosition.y+2)/3)*texture(tex, uv, 100);
}");
var defaultVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform vec4 color;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec4 fragColor;
out vec3 fragPosition;
out vec2 uv;
vec2 map(vec2 value, vec2 min1, vec2 max1, vec2 min2, vec2 max2) {
return min2 + (value - min1) * (max2 - min2) / (max1 - min1);
}
void main(){
fragPosition = position.xyz;
uv = map(fragPosition.xz,vec2(-1.0625,-1.0625),vec2(1.0625,1.0625), vec2(0.5,0.5), vec2(0.75,1.0));
gl_Position = mtxCam*mtxMdl*position;
fragColor = color;
}");
DefaultShaderProgram = new ShaderProgram(defaultFrag, defaultVert);
int buffer;
#region block
buffer = GL.GenBuffer();
blockVao = new VertexArrayObject(buffer);
blockVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
blockVao.Submit();
List <float> list = new List <float>();
Face(ref points, ref list, 0, 1, 2, 3);
FaceInv(ref points, ref list, 4, 5, 6, 7);
FaceInv(ref points, ref list, 0, 1, 4, 5);
Face(ref points, ref list, 2, 3, 6, 7);
Face(ref points, ref list, 0, 2, 4, 6);
FaceInv(ref points, ref list, 1, 3, 5, 7);
float[] data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
#endregion
#region lines
buffer = GL.GenBuffer();
linesVao = new VertexArrayObject(buffer);
linesVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
linesVao.Submit();
list = new List <float>();
LineFace(ref points, ref list, 0, 1, 2, 3);
LineFace(ref points, ref list, 4, 5, 6, 7);
Line(ref points, ref list, 0, 4);
Line(ref points, ref list, 1, 5);
Line(ref points, ref list, 2, 6);
Line(ref points, ref list, 3, 7);
data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
#endregion
#region legacy lines
lineDrawList = GL.GenLists(1);
GL.NewList(lineDrawList, ListMode.Compile);
GL.Begin(PrimitiveType.LineStrip);
GL.Vertex3(points[6]);
GL.Vertex3(points[2]);
GL.Vertex3(points[3]);
GL.Vertex3(points[7]);
GL.Vertex3(points[6]);
GL.Vertex3(points[4]);
GL.Vertex3(points[5]);
GL.Vertex3(points[1]);
GL.Vertex3(points[0]);
GL.Vertex3(points[4]);
GL.End();
GL.Begin(PrimitiveType.Lines);
GL.Vertex3(points[2]);
GL.Vertex3(points[0]);
GL.Vertex3(points[3]);
GL.Vertex3(points[1]);
GL.Vertex3(points[7]);
GL.Vertex3(points[5]);
GL.End();
GL.EndList();
#endregion
Initialized = true;
}
}
public void VertexArrayObject()
{
VertexArrayObject glObject = new VertexArrayObject();
Assert.AreEqual($"VertexArrayObject ID: {glObject.Id}", glObject.ToString());
}
public void TestLineShaderRender()
{
using (ShaderProgram shaderProgram = ShadersLibrary.Instance.CreateProgram("OpenGL.Line")) {
Assert.DoesNotThrow(delegate () { shaderProgram.Create(_Context); });
using (VertexArrayObject vao = new VertexArrayObject()) {
List<Vertex2f> vertices = new List<Vertex2f>();
for (float y = 0.375f; y < _Framebuffer.Height; y += 2.0f) {
vertices.Add(new Vertex2f(0.0f, y));
vertices.Add(new Vertex2f(_Framebuffer.Width, y));
}
// Setup ABO (Position)
ArrayBufferObject abo = new ArrayBufferObject(VertexBaseType.Float, 2, BufferObjectHint.StaticCpuDraw);
abo.Create(vertices.ToArray());
// Setup VAO
vao.SetArray(abo, VertexArraySemantic.Position);
vao.SetElementArray(PrimitiveType.Lines);
vao.Create(_Context);
// Draw test
Image feedbackImageFixed = null, feedbackImageShader = null;
try {
Gl.Viewport(0, 0, (int)_Framebuffer.Width, (int)_Framebuffer.Height);
#region Fixed pipeline
_Framebuffer.SetClearColor(new ColorRGBAF(0.0f, 0.0f, 0.0f));
_Framebuffer.Clear(_Context);
Gl.MatrixMode(MatrixMode.Projection);
Gl.LoadMatrix(new OrthoProjectionMatrix(0.0f, _Framebuffer.Width, 0.0f, _Framebuffer.Height).ToArray());
Gl.MatrixMode(MatrixMode.Modelview);
Gl.LoadIdentity();
Gl.Color3(1.0f, 1.0f, 1.0f);
Gl.LineWidth(1.0f);
vao.Draw(_Context);
feedbackImageFixed = _Framebuffer.ReadColorBuffer(_Context, 0, 0, 0, _Framebuffer.Width, _Framebuffer.Height, PixelLayout.GRAY8);
ImageCodec.Instance.Save(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "LineProgram.Fixed.png"),
feedbackImageFixed, ImageFormat.Png, null
);
#endregion
#region Shader pipeline
_Framebuffer.SetClearColor(new ColorRGBAF(0.0f, 0.0f, 0.0f));
_Framebuffer.Clear(_Context);
shaderProgram.Bind(_Context);
shaderProgram.SetUniform(_Context, "hal_ModelViewProjection", RenderProjectionMatrix);
shaderProgram.SetUniform(_Context, "hal_UniformColor", new ColorRGBA(1.0f, 1.0f, 1.0f));
shaderProgram.SetUniform(_Context, "hal_LineWidth", 1.0f);
shaderProgram.SetUniform(_Context, "hal_ViewportSize", new Vertex2f(_Framebuffer.Width, _Framebuffer.Height));
vao.Draw(_Context, shaderProgram);
feedbackImageShader = _Framebuffer.ReadColorBuffer(_Context, 0, 0, 0, _Framebuffer.Width, _Framebuffer.Height, PixelLayout.GRAY8);
ImageCodec.Instance.Save(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "LineProgram.Shader.png"),
feedbackImageShader, ImageFormat.Png, null
);
#endregion
// Compare results
} finally {
if (feedbackImageFixed != null)
feedbackImageFixed.Dispose();
if (feedbackImageShader != null)
feedbackImageShader.Dispose();
}
}
//// Get rendering feedback
//using (Image feedbackImage = _Framebuffer.ReadColorBuffer(_Context, 0, 0, 0, _Framebuffer.Width, _Framebuffer.Height, PixelLayout.GRAY8)) {
// // Drawn only even lines
// for (uint y = 0; y < _Framebuffer.Height; y++) {
// for (uint x = 0; x < _Framebuffer.Width; x++) {
// ColorGRAY8 fragment = (ColorGRAY8)feedbackImage[x, y];
// Assert.AreEqual((y % 2) == 0 ? 255 : 0, fragment.Level, String.Format("Color mismatch at {0}x{1}", x, y));
// }
// }
//}
}
}
/// <summary>
/// Test for default values after construction.
/// </summary>
/// <param name="vertexArray"></param>
private void ConstructionDefaulValues(VertexArrayObject vertexArray)
{
Assert.AreEqual(0, vertexArray.ArrayLength);
}
protected override void DoRender(RenderEventArgs e)
{
ShaderProgram program = this.shaderProgram;
// 绑定shader
program.Bind();
program.SetUniformMatrix4(strprojectionMatrix, projectionMatrix.to_array());
program.SetUniformMatrix4(strviewMatrix, viewMatrix.to_array());
program.SetUniformMatrix4(strmodelMatrix, modelMatrix.to_array());
program.SetUniform(strSpecularContribution, SpecularContribution);
program.SetUniform(strLightPosition, LightPosition.x, LightPosition.y, LightPosition.z);
program.SetUniform(strSpacing, Spacing.x, Spacing.y, Spacing.z);
program.SetUniform(strDotSize, DotSize);
program.SetUniform(strModelColor, ModelColor.x, ModelColor.y, ModelColor.z);
program.SetUniform(strPolkaDotColor, PolkaDotColor.x, PolkaDotColor.y, PolkaDotColor.z);
int[] originalPolygonMode = new int[1];
GL.GetInteger(GetTarget.PolygonMode, originalPolygonMode);
GL.Enable(GL.GL_PRIMITIVE_RESTART);
GL.PrimitiveRestartIndex(uint.MaxValue);
GL.PolygonMode(PolygonModeFaces.FrontAndBack, this.polygonMode);
GL.Enable(GL.GL_BLEND);
GL.BlendFunc(CSharpGL.Enumerations.BlendingSourceFactor.SourceAlpha, CSharpGL.Enumerations.BlendingDestinationFactor.OneMinusSourceAlpha);
if (this.vertexArrayObject == null)
{
var vao = new VertexArrayObject(
this.positionBufferRenderer,
//this.colorBufferRenderer,
this.normalBufferRenderer,
this.indexBufferRenderer);
vao.Create(e, this.shaderProgram);
this.vertexArrayObject = vao;
}
else
{
this.vertexArrayObject.Render(e, this.shaderProgram);
}
GL.Disable(GL.GL_BLEND);
GL.PolygonMode(PolygonModeFaces.FrontAndBack, (PolygonModes)(originalPolygonMode[0]));
GL.Disable(GL.GL_PRIMITIVE_RESTART);
// 解绑shader
program.Unbind();
}
/// <summary>
/// Test for default values after construction.
/// </summary>
/// <param name="vertexArray"></param>
private void DispositionDefaulValues(VertexArrayObject vertexArray)
{
}
public static void DrawNudMaterialSphere(Shader shader, NUD.Material material, VertexArrayObject screenVao, Dictionary <NUD.DummyTextures, Texture> dummyTextures)
{
if (!shader.ProgramCreatedSuccessfully)
{
return;
}
shader.UseProgram();
// Use the same uniforms as the NUD shader.
NUD.SetMaterialPropertyUniforms(shader, material);
NUD.SetStageLightingUniforms(shader, 0);
ModelContainer.SetRenderSettingsUniforms(shader);
nudSphereCamera.UpdateMatrices();
ModelContainer.SetLightingUniforms(shader, nudSphereCamera);
ModelContainer.SetCameraMatrixUniforms(nudSphereCamera, shader);
// Use default textures rather than textures from the NUT.
NUD.SetTextureUniformsNudMatSphere(shader, material, dummyTextures);
// These values aren't needed in the shader currently.
shader.SetVector3("cameraPosition", 0, 0, 0);
shader.SetFloat("zBufferOffset", 0);
shader.SetFloat("bloomThreshold", Runtime.bloomThreshold);
bool isTransparent = (material.srcFactor > 0) || (material.dstFactor > 0) || (material.alphaFunction > 0) || (material.alphaTest > 0);
shader.SetBoolToInt("isTransparent", isTransparent);
// Set texture uniforms for the mesh attributes.
shader.SetTexture("normalTex", sphereNrmTex.Id, TextureTarget.Texture2D, 15);
shader.SetTexture("uvTex", sphereUvTex.Id, TextureTarget.Texture2D, 16);
shader.SetTexture("tanTex", sphereTanTex.Id, TextureTarget.Texture2D, 17);
shader.SetTexture("bitanTex", sphereBitanTex.Id, TextureTarget.Texture2D, 18);
// Draw full screen "quad" (big triangle)
ScreenDrawing.DrawScreenTriangle(shader, screenVao);
}
/// <summary>Creates a new colored cube</summary>
public Cube(BaseRenderer renderer, Color128 color)
{
this.renderer = renderer;
LibRenderVertex[] vertexData =
{
// back
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, 1.0f),
UV = Vector2f.Null,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, 1.0f),
UV = Vector2f.Right,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, 1.0f),
UV = Vector2f.One,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, 1.0f),
UV = Vector2f.Down,
Color = color
},
// right
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, 1.0f),
UV = Vector2f.Right,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, 1.0f),
UV = Vector2f.One,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, -1.0f),
UV = Vector2f.Down,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, -1.0f),
UV = Vector2f.Null,
Color = color
},
// top
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, 1.0f),
UV = Vector2f.Right,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, -1.0f),
UV = Vector2f.One,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, -1.0f),
UV = Vector2f.Down,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, 1.0f),
UV = Vector2f.Null,
Color = color
},
// front
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, -1.0f),
UV = Vector2f.Down,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, -1.0f),
UV = Vector2f.Null,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, -1.0f),
UV = Vector2f.Right,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, -1.0f),
UV = Vector2f.One,
Color = color
},
// left
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, -1.0f),
UV = Vector2f.One,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, 1.0f),
UV = Vector2f.Down,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, 1.0f),
UV = Vector2f.Null,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, -1.0f),
UV = Vector2f.Right,
Color = color
},
// bottom
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, -1.0f),
UV = Vector2f.Null,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, -1.0f),
UV = Vector2f.Right,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, 1.0f),
UV = Vector2f.One,
Color = color
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, 1.0f),
UV = Vector2f.Down,
Color = color
}
};
if (!renderer.ForceLegacyOpenGL)
{
defaultVAO = new VertexArrayObject();
defaultVAO.Bind();
defaultVAO.SetVBO(new VertexBufferObject(vertexData, BufferUsageHint.StaticDraw));
defaultVAO.SetIBO(new IndexBufferObjectUS(Enumerable.Range(0, vertexData.Length).Select(x => (ushort)x).ToArray(), BufferUsageHint.StaticDraw));
defaultVAO.SetAttributes(renderer.DefaultShader.VertexLayout);
defaultVAO.UnBind();
}
}
public static void Initialize(GL_ControlModern control)
{
if (DefaultShaderProgram != null && DefaultShaderProgram.programs.ContainsKey(control))
{
return;
}
if (DefaultShaderProgram == null)
{
var solidColorFrag = new FragmentShader(
@"#version 330
uniform vec4 color;
in vec3 normal;
in vec3 viewPosition;
void main(){
vec3 xTangent = dFdx( viewPosition );
vec3 yTangent = dFdy( viewPosition );
vec3 faceNormal = normalize( cross( xTangent, yTangent ) );
vec3 displayNormal = (faceNormal.xyz * 0.5) + 0.5;
float shading = max(displayNormal.y,0.5);
gl_FragColor = color;
}");
var solidColorVert = new VertexShader(
@"#version 330
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 vNormal;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec3 normal;
out vec3 viewPosition;
void main(){
normal = vNormal;
viewPosition = position;
gl_Position = mtxCam*mtxMdl*vec4(position, 1);
}");
DefaultShaderProgram = new ShaderProgram(solidColorFrag, solidColorVert, control);
int buffer = GL.GenBuffer();
sphereVao = new VertexArrayObject(buffer);
sphereVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, 24, 0);
sphereVao.AddAttribute(1, 3, VertexAttribPointerType.Float, false, 24, 12);
sphereVao.Initialize(control);
List <float> list = new List <float>();
Vertices = GetVertices(10, 2, 15, 32);
for (int i = 0; i < Vertices.Length; i++)
{
var mat = Matrix4.CreateRotationX(MathHelper.DegreesToRadians(90));
Vertices[i].Position = Vector3.TransformPosition(Vertices[i].Position, mat);
Vertices[i].Normal = Vector3.TransformNormal(Vertices[i].Normal, mat);
list.Add(Vertices[i].Position.X);
list.Add(Vertices[i].Position.Y);
list.Add(Vertices[i].Position.Z);
list.Add(Vertices[i].Normal.X);
list.Add(Vertices[i].Normal.Y);
list.Add(Vertices[i].Normal.Z);
}
float[] data = list.ToArray();
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
}
else
{
sphereVao.Initialize(control);
DefaultShaderProgram.Link(control);
}
}
public AnimatedSkin(VertexArrayObject vao, ParentBone rootBone)
: base(vao)
{
m_rootBone = rootBone;
}
public static void Initialize()
{
if (!Initialized)
{
var defaultFrag = new FragmentShader(
@"#version 330
uniform sampler2D tex;
uniform vec4 color;
in vec2 uv;
void main(){
gl_FragColor = color * texture(tex,uv);
}");
var defaultVert = new VertexShader(
@"#version 330
layout(location = 0) in vec4 position;
uniform vec2 uvTopLeft;
uniform mat4 mtxMdl;
uniform mat4 mtxCam;
out vec2 uv;
vec2 map(vec2 value, vec2 min1, vec2 max1, vec2 min2, vec2 max2) {
return min2 + (value - min1) * (max2 - min2) / (max1 - min1);
}
void main(){
uv = map(position.xy,vec2(-0.5,0.5),vec2(0.5,-0.5), uvTopLeft, uvTopLeft+vec2(0.25,0.25));
gl_Position = mtxCam*mtxMdl*position;
}");
DefaultShaderProgram = new ShaderProgram(defaultFrag, defaultVert);
int buffer;
#region block
buffer = GL.GenBuffer();
planeVao = new VertexArrayObject(buffer);
planeVao.AddAttribute(0, 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
planeVao.Submit();
float[] data = new float[]
{
-0.5f, -0.5f, 0,
0.5f, -0.5f, 0,
0.5f, 0.5f, 0,
-0.5f, 0.5f, 0,
};
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * data.Length, data, BufferUsageHint.StaticDraw);
#endregion
//texture sheet
TextureSheet = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, TextureSheet);
var bmp = Properties.Resources.Gizmos;
var bmpData = bmp.LockBits(
new Rectangle(0, 0, 128 * 4, 128 * 4),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8, 128 * 4, 128 * 4, 0, PixelFormat.Bgra, PixelType.UnsignedByte, bmpData.Scan0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
bmp.UnlockBits(bmpData);
Initialized = true;
}
}
private Skin SendDataToGpu(string modelPath)
{
Skin resultSkin = null;
// Get mesh data
using (AssimpModelLoader loader = new AssimpModelLoader(modelPath))
{
VertexArrayObject vao = new VertexArrayObject();
MeshVertexData meshData = loader.GetMeshData();
// explicit null assignment if there is no some of mesh data
var vertices = meshData.Verts;
var normals = meshData.bHasNormals ? meshData.N_Verts : null;
var texCoords = meshData.T_Verts;
var tangents = meshData.bHasTangentVertices ? meshData.Tangent_Verts : meshData.bHasTextureCoordinates ? VectorMath.AdditionalVertexInfoCreator.CreateTangentVertices(vertices, texCoords) : null;
var bitangents = meshData.bHasTangentVertices ? meshData.Bitanget_Verts : meshData.bHasTextureCoordinates ? VectorMath.AdditionalVertexInfoCreator.CreateBitangentVertices(vertices, texCoords) : null;
var blendWeights = meshData.bHasAnimation ? meshData.BlendWeights : null;
var blendIndices = meshData.bHasAnimation ? meshData.BlendIndices : null;
UInt32[] indices = meshData.bHasIndices ? meshData.Indices.ToArray() : null;
IndexBufferObject ibo = null;
VertexBufferObjectTwoDimension <float> normalsVBO = null, texCoordsVBO = null, tangentsVBO = null, bitangentsVBO = null, blendWeightsVBO = null;
VertexBufferObjectTwoDimension <Int32> blendIndicesVBO = null;
if (meshData.bHasIndices)
{
ibo = new IndexBufferObject(indices);
}
VertexBufferObjectTwoDimension <float> vertexVBO = new VertexBufferObjectTwoDimension <float>(vertices, BufferTarget.ArrayBuffer, 0, 3, VertexBufferObjectBase.DataCarryFlag.Invalidate);
if (meshData.bHasNormals)
{
normalsVBO = new VertexBufferObjectTwoDimension <float>(normals, BufferTarget.ArrayBuffer, 1, 3, VertexBufferObjectBase.DataCarryFlag.Invalidate);
}
if (meshData.bHasTextureCoordinates)
{
texCoordsVBO = new VertexBufferObjectTwoDimension <float>(texCoords, BufferTarget.ArrayBuffer, 2, 2, VertexBufferObjectBase.DataCarryFlag.Invalidate);
}
if (meshData.bHasTangentVertices)
{
tangentsVBO = new VertexBufferObjectTwoDimension <float>(tangents, BufferTarget.ArrayBuffer, 4, 3, VertexBufferObjectBase.DataCarryFlag.Invalidate);
}
if (meshData.bHasTangentVertices)
{
bitangentsVBO = new VertexBufferObjectTwoDimension <float>(bitangents, BufferTarget.ArrayBuffer, 5, 3, VertexBufferObjectBase.DataCarryFlag.Invalidate);
}
if (meshData.bHasAnimation)
{
Int32 skeletonWeightsPerVertexCount = (Int32)loader.m_skeletonType;
if (skeletonWeightsPerVertexCount > 4)
{
throw new NotImplementedException("There is no implementation yet for cases when there are more than four weights influencing on vertex.");
}
Int32 vectorSize = skeletonWeightsPerVertexCount;
blendWeightsVBO = new VertexBufferObjectTwoDimension <float>(blendWeights, BufferTarget.ArrayBuffer, 6, vectorSize, VertexBufferObjectBase.DataCarryFlag.Invalidate);
blendIndicesVBO = new VertexBufferObjectTwoDimension <int>(blendIndices, BufferTarget.ArrayBuffer, 7, vectorSize, VertexBufferObjectBase.DataCarryFlag.Invalidate);
}
vao.AddVBO(vertexVBO, normalsVBO, texCoordsVBO, tangentsVBO, bitangentsVBO, blendWeightsVBO, blendIndicesVBO);
vao.AddIndexBuffer(ibo);
vao.BindBuffersToVao();
if (meshData.bHasAnimation)
{
ParentBone rootBone = AssimpConverter.Converter.ConvertAssimpBoneToEngineBone(meshData.SkeletonRoot);
resultSkin = new AnimatedSkin(vao, rootBone);
}
else
{
resultSkin = new Skin(vao);
}
}
return(resultSkin);
}
internal void Initialize(GraphicsDevice device)
{
vertexArrayObject = VertexArrayObject.New(device, Effect.InputSignature, Mesh.Draw.IndexBuffer, Mesh.Draw.VertexBuffers);
}
private unsafe void InitVertexBuffers()
{
// http://images.cnblogs.com/cnblogs_com/bitzhuwei/482613/o_Cube-small.jpg
{
VR03PositionBuffer positionBuffer = new VR03PositionBuffer(strin_Position);
positionBuffer.Alloc(xFrameCount * yFrameCount * zFrameCount);
HexahedronPosition *array = (HexahedronPosition *)positionBuffer.FirstElement();
int index = 0;
for (int i = 0; i < xFrameCount; i++)
{
for (int j = 0; j < yFrameCount; j++)
{
for (int k = 0; k < zFrameCount; k++)
{
var x = ((float)i / (float)xFrameCount - 0.5f) * factor;
var y = ((float)j / (float)yFrameCount - 0.5f) * factor;
var z = (((float)k / (float)zFrameCount - 0.5f) * 109.0f / 256.0f) * factor;
var hexahedron = new HexahedronPosition();
hexahedron.v0 = new vec3(x + hexahedronHalfLength, y + hexahedronHalfLength, z + hexahedronHalfLength);
hexahedron.v1 = new vec3(x - hexahedronHalfLength, y + hexahedronHalfLength, z + hexahedronHalfLength);
hexahedron.v2 = new vec3(x + hexahedronHalfLength, y - hexahedronHalfLength, z + hexahedronHalfLength);
hexahedron.v3 = new vec3(x - hexahedronHalfLength, y - hexahedronHalfLength, z + hexahedronHalfLength);
hexahedron.v4 = new vec3(x + hexahedronHalfLength, y + hexahedronHalfLength, z - hexahedronHalfLength);
hexahedron.v5 = new vec3(x - hexahedronHalfLength, y + hexahedronHalfLength, z - hexahedronHalfLength);
hexahedron.v6 = new vec3(x + hexahedronHalfLength, y - hexahedronHalfLength, z - hexahedronHalfLength);
hexahedron.v7 = new vec3(x - hexahedronHalfLength, y - hexahedronHalfLength, z - hexahedronHalfLength);
array[index++] = hexahedron;
}
}
}
this.positionBufferRenderer = positionBuffer.GetRenderer();
positionBuffer.Dispose();
}
{
VR03UVBuffer uvBuffer = new VR03UVBuffer(strin_uv);
uvBuffer.Alloc(xFrameCount * yFrameCount * zFrameCount);
HexahedronUV *array = (HexahedronUV *)uvBuffer.FirstElement();
int index = 0;
for (int i = 0; i < xFrameCount; i++)
{
for (int j = 0; j < yFrameCount; j++)
{
for (int k = 0; k < zFrameCount; k++)
{
var x = (float)i / (float)xFrameCount;
var y = (float)j / (float)yFrameCount;
var z = (float)k / (float)zFrameCount;
var color = new vec3(x, y, z);
var uv = new HexahedronUV();
uv.v0 = color;
uv.v1 = color;
uv.v2 = color;
uv.v3 = color;
uv.v4 = color;
uv.v5 = color;
uv.v6 = color;
uv.v7 = color;
array[index++] = uv;
}
}
}
this.uvBufferRenderer = uvBuffer.GetRenderer();
uvBuffer.Dispose();
}
{
var indexBuffer = new VR03IndexBuffer();
indexBuffer.Alloc(xFrameCount * yFrameCount * zFrameCount);
HexahedronIndex *array = (HexahedronIndex *)indexBuffer.FirstElement();
int index = 0;
for (int i = 0; i < xFrameCount; i++)
{
for (int j = 0; j < yFrameCount; j++)
{
for (int k = 0; k < zFrameCount; k++)
{
uint centerIndex = (uint)((i * yFrameCount * zFrameCount + j * zFrameCount + k) * 8);
array[index++] = new HexahedronIndex(centerIndex);
}
}
}
this.indexBufferRenderer = indexBuffer.GetRenderer() as IndexBufferPointerBase;
indexBuffer.Dispose();
}
this.vao = new VertexArrayObject(
this.indexBufferRenderer,
this.positionBufferRenderer, this.uvBufferRenderer);
}
private unsafe void InitVertexBuffers()
{
{
VR04PositionBuffer positionBuffer = new VR04PositionBuffer(strin_Position);
positionBuffer.Alloc(zFrameCount);
QuadPosition *array = (QuadPosition *)positionBuffer.FirstElement();
for (int i = 0; i < zFrameCount; i++)
{
array[i] = new QuadPosition(
new vec3(-xLength, -yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(xLength, -yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(xLength, yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(-xLength, yLength, (float)i / (float)zFrameCount - 0.5f)
);
}
this.positionBufferRenderer = positionBuffer.GetRenderer();
positionBuffer.Dispose();
}
{
VR04UVBuffer uvBuffer = new VR04UVBuffer(strin_uv);
uvBuffer.Alloc(zFrameCount);
QuadUV *array = (QuadUV *)uvBuffer.FirstElement();
for (int i = 0; i < zFrameCount; i++)
{
array[i] = new QuadUV(
new vec3(0, 0, (float)i / (float)zFrameCount),
new vec3(1, 0, (float)i / (float)zFrameCount),
new vec3(1, 1, (float)i / (float)zFrameCount),
new vec3(0, 1, (float)i / (float)zFrameCount)
);
}
this.uvBufferRenderer = uvBuffer.GetRenderer();
uvBuffer.Dispose();
}
{
var indexBuffer = new VR04IndexBuffer();
indexBuffer.Alloc(zFrameCount);
QuadIndex *array = (QuadIndex *)indexBuffer.FirstElement();
for (uint i = 0; i < zFrameCount; i++)
{
if (this.reverSide)
{
array[i] = new QuadIndex((zFrameCount - i - 1) * 4 + 0,
(zFrameCount - i - 1) * 4 + 1,
(zFrameCount - i - 1) * 4 + 2,
(zFrameCount - i - 1) * 4 + 3
);
}
else
{
array[i] = new QuadIndex(i * 4 + 0, i * 4 + 1, i * 4 + 2, i * 4 + 3);
}
}
this.indexBufferRenderer = indexBuffer.GetRenderer();
indexBuffer.Dispose();
}
//if (!this.reverSide)
//{
// var indexBuffer = new ZeroIndexBuffer(DrawMode.Quads, zFrameCount * 4);
// indexBuffer.Alloc(zFrameCount);// this actually does nothing.
// this.indexBufferRenderer = indexBuffer.GetRenderer();
// indexBuffer.Dispose();
//}
//else
//{
// var indexBuffer = new VR04IndexBuffer();
// indexBuffer.Alloc(zFrameCount);
// QuadIndex* array = (QuadIndex*)indexBuffer.FirstElement();
// for (uint i = 0; i < zFrameCount; i++)
// {
// //array[i] = new QuadIndex(i * 4 + 0, i * 4 + 1, i * 4 + 2, i * 4 + 3);
// array[i] = new QuadIndex((zFrameCount - i - 1) * 4 + 0,
// (zFrameCount - i - 1) * 4 + 1,
// (zFrameCount - i - 1) * 4 + 2,
// (zFrameCount - i - 1) * 4 + 3
// );
// }
// this.indexBufferRenderer = indexBuffer.GetRenderer();
// indexBuffer.Dispose();
//}
this.vao = new VertexArrayObject(this.positionBufferRenderer, this.uvBufferRenderer, this.indexBufferRenderer);
}
static RenderCubemapSphere()
{
theOrientation = Matrix4.CreateFromQuaternion(new Quaternion(0f, 0f, 0f));
List <ShaderDescriptor> shadersDesc = new List <ShaderDescriptor>();
shadersDesc.Add(new ShaderDescriptor(ShaderType.VertexShader, "GpuNoise.shaders.cube-vs.glsl"));
shadersDesc.Add(new ShaderDescriptor(ShaderType.FragmentShader, "GpuNoise.shaders.cube-ps.glsl"));
ShaderProgramDescriptor sd = new ShaderProgramDescriptor(shadersDesc);
theShader = Renderer.resourceManager.getResource(sd) as ShaderProgram;
theVBO = new VertexBufferObject(BufferUsageHint.StaticDraw);
theIBO = new IndexBufferObject(BufferUsageHint.StaticDraw);
int lats = 25;
int longs = 25;
int vertIdx = 0;
V3[] verts = new V3[(lats + 1) * (longs + 1)];
ushort[] index = new ushort[lats * longs * 6];
for (int i = 0; i <= lats; i++)
{
float theta = (float)i * (float)Math.PI / lats;
float sinTheta = (float)Math.Sin(theta);
float cosTheta = (float)Math.Cos(theta);
for (int j = 0; j <= longs; j++)
{
float phi = (float)j * (float)(Math.PI * 2) / longs;
float sinPhi = (float)Math.Sin(phi);
float cosPhi = (float)Math.Cos(phi);
float x = cosPhi * sinTheta;
float y = sinPhi * sinTheta;
float z = cosTheta;
// float u = 1 - (j / longs);
// float v = 1- (i / lats);
V3 temp = new V3();
temp.Position = new Vector3(x, y, z);
verts[vertIdx++] = temp;
}
}
int indexIdx = 0;
for (int i = 0; i < lats; i++)
{
for (int j = 0; j < longs; j++)
{
ushort first = (ushort)((i * (longs + 1)) + j);
ushort second = (ushort)(first + longs + 1);
index[indexIdx++] = first; index[indexIdx++] = second; index[indexIdx++] = (ushort)(first + 1);
index[indexIdx++] = second; index[indexIdx++] = (ushort)(second + 1); index[indexIdx++] = (ushort)(first + 1);
}
}
theVBO.setData(verts);
theIBO.setData(index);
theVAO = new VertexArrayObject();
theVAO.bindVertexFormat(theShader, V3.bindings());
thePipeline = new PipelineState();
thePipeline.shaderState.shaderProgram = theShader;
thePipeline.vaoState.vao = theVAO;
thePipeline.generateId();
}
private SceneObjectGeometry CreateCubeGeometry()
{
SceneObjectGeometry cubeGeometry = new SceneObjectGeometry("Cube");
#region State
cubeGeometry.ObjectState.DefineState(new DepthTestState(DepthFunction.Less));
cubeGeometry.ObjectState.DefineState(new CullFaceState(FrontFaceDirection.Ccw, CullFaceMode.Back));
cubeGeometry.ObjectState.DefineState(new TransformState());
MaterialState cubeMaterialState = new MaterialState();
cubeMaterialState.FrontMaterial = new MaterialState.Material(ColorRGBAF.ColorWhite * 0.5f);
cubeMaterialState.FrontMaterial.Ambient = ColorRGBAF.ColorBlack;
cubeMaterialState.FrontMaterial.Diffuse = ColorRGBAF.ColorWhite * 0.5f;
cubeMaterialState.FrontMaterial.Specular = ColorRGBAF.ColorWhite * 0.5f;
cubeMaterialState.FrontMaterial.Shininess = 10.0f;
cubeGeometry.ObjectState.DefineState(cubeMaterialState);
#endregion
#region Vertex Arrays
if (_CubeArrayPosition == null)
{
_CubeArrayPosition = new ArrayBufferObject <Vertex3f>(BufferObjectHint.StaticCpuDraw);
_CubeArrayPosition.Create(ArrayPosition);
}
if (_CubeArrayColor == null)
{
_CubeArrayColor = new ArrayBufferObject <ColorRGBF>(BufferObjectHint.StaticCpuDraw);
_CubeArrayColor.Create(ArrayColors);
}
if (_CubeArrayNormal == null)
{
_CubeArrayNormal = new ArrayBufferObject <Vertex3f>(BufferObjectHint.StaticCpuDraw);
_CubeArrayNormal.Create(ArrayNormals);
}
if (_CubeArrays == null)
{
_CubeArrays = new VertexArrayObject();
_CubeArrays.SetArray(_CubeArrayPosition, VertexArraySemantic.Position);
_CubeArrays.SetArray(_CubeArrayColor, VertexArraySemantic.Color);
_CubeArrays.SetArray(_CubeArrayNormal, VertexArraySemantic.Normal);
_CubeArrays.SetElementArray(PrimitiveType.Triangles);
}
cubeGeometry.VertexArray = _CubeArrays;
#endregion
#region Program
cubeGeometry.BoundingVolume = new BoundingBox(-Vertex3f.One * _CubeSize, Vertex3f.One * _CubeSize);
#endregion
return(cubeGeometry);
}
public static void AddFaceToVao(WorldServer world, Vector3i blockPos, int x, int y, int z, Block block, BlockFace face, BlockModel.FaceData data, VertexArrayObject vao, Matrix4 transform)
{
var faceId = (int)face - 1;
var indicesOffset = vao.VertexCount;
//var transform = Matrix4.CreateScale()//Matrix4.Identity;//block.GetTransform(world, blockPos, face);
var texture = data.LoadedTexture; //block.GetTexture(world, blockPos, face);
//var overlayTexture = block.GetOverlayTexture(world, blockPos, face);
var texCoords = data.GetTexCoords(); //block.GetTexCoords(world, blockPos, face) ?? FaceTexCoords;
//var overlayTexCoords = block.GetOverlayTexCoords(world, blockPos, face) ?? FaceTexCoords;
var color = data.TintIndex == -1 ? new Vector4(1) : block.GetTintColor(world, blockPos, data.TintIndex).ToVector4();
var normal = face.GetNormal();
if (texCoords.Length != 4)
{
throw new Exception($"\"{block}\" invalid texture coords array length!");
}
var vPositions = new Vector3[4];
var vTexCoords = new Vector4[4];
var vOverlayTexCoords = new Vector4[4]; //TODO: Remove
var vBrightness = new Vector3[4];
for (var j = 0; j < 4; j++)
{
var vertexPosition = FacePositions[faceId * 4 + j];
var position = (new Vector4(vertexPosition, 1) * transform).Xyz + new Vector3(x, y, z);
//tex coords are -1 if texture is null
var texCoord = texture == null ? new Vector4(-1) : new Vector4(texCoords[j])
{
//texCoord z = texId, w = textureArrayId
Z = texture.TextureId,
W = texture.ArrayId
};
//per vertex light value interpolation (smooth lighting + free ambient occlusion)
var brightness = CalculateBrightness(world, block, blockPos, face, vertexPosition);
//TODO: transform normals
vPositions[j] = position;
vTexCoords[j] = texCoord;
vOverlayTexCoords[j] = new Vector4(-1);
vBrightness[j] = brightness;
}
//Flip faces to fix ambient occlusion anisotrophy
//https://0fps.net/2013/07/03/ambient-occlusion-for-minecraft-like-worlds/
for (var j = 0; j < 4; j++)
{
vao.Add(vPositions[j], vTexCoords[j], new Vector4(normal), color.Xyz, vBrightness[j]);
}
var newIndices = new uint[FaceIndices.Length];
if ((vBrightness[0] + vBrightness[3]).LengthSquared > (vBrightness[1] + vBrightness[2]).LengthSquared)
{
for (var j = 0; j < newIndices.Length; j++)
{
newIndices[j] = (uint)(FlippedFaceIndices[j] + indicesOffset);
}
}
else
{
for (var j = 0; j < newIndices.Length; j++)
{
newIndices[j] = (uint)(FaceIndices[j] + indicesOffset);
}
}
//Calculate face middle for transparency sorting
var faceMiddle = Vector3.Zero;
if (vao is SortedVertexArrayObject)
{
faceMiddle = vPositions.Aggregate(faceMiddle, (current, pos) => current + pos);
faceMiddle = faceMiddle / vPositions.Length + blockPos.ToVector3() - new Vector3(x, y, z);
}
vao.AddFace(newIndices, faceMiddle);
}
protected override async Task LoadContent()
{
await base.LoadContent();
var vertices = new Vertex[4];
vertices[0] = new Vertex {
Position = new Vector3(-1, -1, 0.5f), TexCoords = new Vector2(0, 0)
};
vertices[1] = new Vertex {
Position = new Vector3(-1, 1, 0.5f), TexCoords = new Vector2(3, 0)
};
vertices[2] = new Vertex {
Position = new Vector3(1, 1, 0.5f), TexCoords = new Vector2(3, 3)
};
vertices[3] = new Vertex {
Position = new Vector3(1, -1, 0.5f), TexCoords = new Vector2(0, 3)
};
var indices = new short[] { 0, 1, 2, 0, 2, 3 };
var vertexBuffer = Buffer.Vertex.New(GraphicsDevice, vertices, GraphicsResourceUsage.Default);
var indexBuffer = Buffer.Index.New(GraphicsDevice, indices, GraphicsResourceUsage.Default);
var meshDraw = new MeshDraw
{
DrawCount = 4,
PrimitiveType = PrimitiveType.TriangleList,
VertexBuffers = new[]
{
new VertexBufferBinding(vertexBuffer,
new VertexDeclaration(VertexElement.Position <Vector3>(),
VertexElement.TextureCoordinate <Vector2>()),
4)
},
IndexBuffer = new IndexBufferBinding(indexBuffer, false, indices.Length),
};
var mesh = new Mesh
{
Draw = meshDraw,
};
simpleEffect = new Effect(GraphicsDevice, SpriteEffect.Bytecode);
parameterCollection = new ParameterCollection();
parameterCollectionGroup = new EffectParameterCollectionGroup(GraphicsDevice, simpleEffect, new[] { parameterCollection });
parameterCollection.Set(TexturingKeys.Texture0, UVTexture);
vao = VertexArrayObject.New(GraphicsDevice, mesh.Draw.IndexBuffer, mesh.Draw.VertexBuffers);
myDraws = new DrawOptions[3];
myDraws[0] = new DrawOptions {
Sampler = GraphicsDevice.SamplerStates.LinearClamp, Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(-0.5f, 0.5f, 0f))
};
myDraws[1] = new DrawOptions {
Sampler = GraphicsDevice.SamplerStates.LinearWrap, Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(0.5f, 0.5f, 0f))
};
myDraws[2] = new DrawOptions {
Sampler = SamplerState.New(GraphicsDevice, new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Mirror)), Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(0.5f, -0.5f, 0f))
};
//var borderDescription = new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Border) { BorderColor = Color.Purple };
//var border = SamplerState.New(GraphicsDevice, borderDescription);
//myDraws[3] = new DrawOptions { Sampler = border, Transform = Matrix.Multiply(Matrix.Scale(0.3f), Matrix.Translation(-0.5f, -0.5f, 0f)) };
}
public Geometry(VertexArrayObject vertexArray) :
base(vertexArray)
{
}
internal Cube(BaseRenderer renderer)
{
this.renderer = renderer;
LibRenderVertex[] vertexData =
{
// back
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, 1.0f),
UV = Vector2f.Null,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, 1.0f),
UV = Vector2f.Right,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, 1.0f),
UV = Vector2f.One,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, 1.0f),
UV = Vector2f.Down,
Color = Color128.White
},
// right
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, 1.0f),
UV = Vector2f.Right,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, 1.0f),
UV = Vector2f.One,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, -1.0f),
UV = Vector2f.Down,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, -1.0f),
UV = Vector2f.Null,
Color = Color128.White
},
// top
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, 1.0f),
UV = Vector2f.Right,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, -1.0f),
UV = Vector2f.One,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, -1.0f),
UV = Vector2f.Down,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, 1.0f),
UV = Vector2f.Null,
Color = Color128.White
},
// front
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, -1.0f),
UV = Vector2f.Down,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, -1.0f),
UV = Vector2f.Null,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, 1.0f, -1.0f),
UV = Vector2f.Right,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, -1.0f),
UV = Vector2f.One,
Color = Color128.White
},
// left
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, -1.0f),
UV = Vector2f.One,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, 1.0f),
UV = Vector2f.Down,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, 1.0f),
UV = Vector2f.Null,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, 1.0f, -1.0f),
UV = Vector2f.Right,
Color = Color128.White
},
// bottom
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, -1.0f),
UV = Vector2f.Null,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, -1.0f),
UV = Vector2f.Right,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(1.0f, -1.0f, 1.0f),
UV = Vector2f.One,
Color = Color128.White
},
new LibRenderVertex
{
Position = new Vector3f(-1.0f, -1.0f, 1.0f),
UV = Vector2f.Down,
Color = Color128.White
}
};
if (renderer.currentOptions.IsUseNewRenderer)
{
defaultVAO = new VertexArrayObject();
defaultVAO.Bind();
defaultVAO.SetVBO(new VertexBufferObject(vertexData, BufferUsageHint.StaticDraw));
defaultVAO.SetIBO(new IndexBufferObject(Enumerable.Range(0, vertexData.Length).Select(x => (ushort)x).ToArray(), BufferUsageHint.StaticDraw));
defaultVAO.UnBind();
}
}
/// <summary>
/// Construct an Geometry.
/// </summary>
/// <param name="vertexArray">
///
/// </param>
/// <param name="state"></param>
/// <param name="program"></param>
public Geometry(VertexArrayObject vertexArray, State.GraphicsStateSet state, ShaderProgram program) :
base(vertexArray, state, program)
{
}
protected override void DoRender(RenderEventArgs e)
{
ShaderProgram program = this.shaderProgram;
// 绑定shader
program.Bind();
program.SetUniformMatrix4(strprojectionMatrix, projectionMatrix.to_array());
program.SetUniformMatrix4(strviewMatrix, viewMatrix.to_array());
program.SetUniformMatrix4(strmodelMatrix, modelMatrix.to_array());
int[] originalPolygonMode = new int[1];
GL.GetInteger(GetTarget.PolygonMode, originalPolygonMode);
GL.PolygonMode(PolygonModeFaces.FrontAndBack, this.polygonMode);
if (this.vertexArrayObject == null)
{
var vertexArrayObject = new VertexArrayObject(
this.positionBufferRenderer,
this.colorBufferRenderer,
this.normalBufferRenderer,
this.indexBufferRenderer);
vertexArrayObject.Create(e, this.shaderProgram);
this.vertexArrayObject = vertexArrayObject;
}
else
{
this.vertexArrayObject.Render(e, this.shaderProgram);
}
GL.PolygonMode(PolygonModeFaces.FrontAndBack, (PolygonModes)(originalPolygonMode[0]));
// 解绑shader
program.Unbind();
}
public void AddGeometry(VertexArrayObject vertexArray)
{
_GeometryInstances.Add(new Geometry(vertexArray));
}
public void AddGeometry(VertexArrayObject vertexArray, State.GraphicsStateSet state)
{
_GeometryInstances.Add(new Geometry(vertexArray, state, null));
}
void initScene(){
heolBones[5] = 10f;
pawnBones [2] = 0.299f;
pawnBones [5] = 0.90812f;
int nbHeol = 5;
terrain = new Terrain (ClientRectangle.Size);
terrain.gridShader.ShadowMap = shadowMap;
vaoDeformables = new VertexArrayObject<WeightedMeshData, WeightedInstancedData> ();
vaoObjects = new VertexArrayObject<MeshData, InstancedData> ();
car = (VAOItem<InstancedData>)vaoObjects.Add (OBJMeshLoader.Load ("Meshes/car.obj"));
car.DiffuseTexture = Tetra.Texture.Load ("Meshes/0000.png");
car.InstancedDatas = new InstancedData[nbHeol];
for (int i = 0; i < nbHeol; i++) {
Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
car.InstancedDatas[i].modelMats = Matrix4.CreateScale(0.2f) * Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0.1f);
}
car.UpdateInstancesData();
nbHeol = 50;
// trees = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/trees/treesTrunk.obj"));
// treesLeave = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/trees/treesLeaves.obj"));
// trees.DiffuseTexture = Tetra.Texture.Load ("Meshes/trees/treeTrunk.jpg");
// treesLeave.DiffuseTexture = Tetra.Texture.Load ("Meshes/trees/treeLeaves.png");
// trees.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// treesLeave.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// for (int i = 0; i < nbHeol; i++) {
// Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
// float angle = (float)(rnd.NextDouble() * Math.PI);
// trees.InstancedDatas[i].modelMats = Matrix4.CreateRotationZ(angle) * Matrix4.CreateScale(4f) * Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
// treesLeave.InstancedDatas [i].modelMats = trees.InstancedDatas [i].modelMats;
// }
// trees.UpdateInstancesData();
//
// treesLeave.UpdateInstancesData();
//HEOLIENNES
nbHeol = 5;
// heoliennes = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/heolienne.obj"));
// heoliennes.DiffuseTexture = Tetra.Texture.Load ("Meshes/heolienne.png");
// heoliennes.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// for (int i = 0; i < nbHeol; i++) {
// Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
// heoliennes.InstancedDatas[i].modelMats = Matrix4.CreateScale(0.1f) * Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
// heoliennes.InstancedDatas [i].quat0 = Quaternion.Identity;
// heoliennes.InstancedDatas [i].quat1 = Quaternion.Identity;
// heoliennes.InstancedDatas [i].quat2 = Quaternion.Identity;
// heoliennes.InstancedDatas [i].quat3 = Quaternion.Identity;
//// heoliennes.InstancedDatas [i].bpos0 = new Vector4 (0f, 0f, 0f, 0f);
//// heoliennes.InstancedDatas [i].bpos1 = new Vector4 (0f, 0f, 0f, 0f);
//// heoliennes.InstancedDatas [i].bpos2 = new Vector4 (0f, 0f, 0f, 0f);
//// heoliennes.InstancedDatas [i].bpos3 = new Vector4 (0f, 0f, 0f, 0f);
// }
// heoliennes.UpdateInstancesData();
nbHeol = 5;
heollow = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/heolienne_lod0.obj"));
heollow.DiffuseTexture = Tetra.Texture.Load ("Meshes/heollow.png");
heollow.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
for (int i = 0; i < nbHeol; i++) {
Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
heollow.InstancedDatas[i].modelMats = Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
heollow.InstancedDatas [i].quat0 = Quaternion.Identity;
heollow.InstancedDatas [i].quat1 = Quaternion.Identity;
heollow.InstancedDatas [i].quat2 = Quaternion.Identity;
heollow.InstancedDatas [i].quat3 = Quaternion.Identity;
// heollow.InstancedDatas [i].bpos0 = new Vector4 (0f, 0f, 0f, 0f);
// heollow.InstancedDatas [i].bpos1 = new Vector4 (0f, 0f, 0f, 0f);
// heollow.InstancedDatas [i].bpos2 = new Vector4 (0f, 0f, 0f, 0f);
// heollow.InstancedDatas [i].bpos3 = new Vector4 (0f, 0f, 0f, 0f);
}
heollow.UpdateInstancesData();
// pawn = (VAOItem<WeightedInstancedData>)vaoDeformables.Add (OBJMeshLoader.Load ("Meshes/pawn.obj"));
// pawn.DiffuseTexture = Tetra.Texture.Load ("Meshes/pawn.png");
// pawn.InstancedDatas = new Tetra.WeightedInstancedData[nbHeol];
// for (int i = 0; i < nbHeol; i++) {
// Vector2 pos = new Vector2 ((float)rnd.Next(0,terrain.GridSize), (float)rnd.Next(0,terrain.GridSize));
// pawn.InstancedDatas[i].modelMats = Matrix4.CreateTranslation (pos.X-(pos.X % 4f) + 0.5f, pos.Y-(pos.Y % 4f) + 0.5f, 0f);
// pawn.InstancedDatas [i].quat0 = Quaternion.Identity;
// pawn.InstancedDatas [i].quat1 = Quaternion.Identity;
// pawn.InstancedDatas [i].quat2 = Quaternion.Identity;
// pawn.InstancedDatas [i].quat3 = Quaternion.Identity;
// }
// pawn.UpdateInstancesData();
//landItemsVao.ComputeTangents();
vaoDeformables.BuildBuffers ();
vaoObjects.BuildBuffers ();
// const float treezone = 32;
// const int treeCount = 50;
// transparentItemsVao = new VertexArrayObject<MeshData, VAOInstancedData> ();
//
// //====TREE1====
// // vaoi = transparentItemsVao.Add (Tetra.OBJMeshLoader.Load ("#Ottd3D.images.trees.obj__pinet1.obj"));
// // vaoi.DiffuseTexture = Tetra.Texture.Load("#Ottd3D.images.trees.pinet1.png");
// // vaoi.modelMats = new Matrix4[treeCount];
// // for (int i = 0; i < treeCount; i++) {
// // Vector2 pos = new Vector2 ((float)rnd.NextDouble() * treezone, (float)rnd.NextDouble() * treezone);
// // float scale = (float)rnd.NextDouble () * 0.002f + 0.004f;
// // vaoi.modelMats[i] =treeRot * Matrix4.CreateScale (scale)* Matrix4.CreateTranslation(pos.X, pos.Y, 0f);
// // }
// // vaoi.UpdateInstancesData ();
//
// //====TREE2====
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.simple.obj",
// // "#Ottd3D.images.trees.birch_tree_small_20131230_2041956203.png",400f);
//
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__pinet1.obj",
// // "#Ottd3D.images.trees.pinet1.png",5f);
// addRandomTrees (transparentItemsVao, treeCount,
// "images/trees/obj__pinet2.obj",
// "images/trees/pinet2.png",3f);
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__tree1.obj",
// // "#Ottd3D.images.trees.tree1.png",5f);
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__tree2.obj",
// // "#Ottd3D.images.trees.tree2.png", 5f);
// // addRandomTrees (transparentItemsVao, treeCount,
// // "#Ottd3D.images.trees.obj__tree3.obj",
// // "#Ottd3D.images.trees.tree3.png", 5f);
//
// //transparentItemsVao.ComputeTangents ();
// transparentItemsVao.BuildBuffers ();
}
protected override async Task LoadContent()
{
await base.LoadContent();
var vertices = new Vertex[4];
vertices[0] = new Vertex { Position = new Vector3(-1, -1, 0.5f), TexCoords = new Vector2(0, 0) };
vertices[1] = new Vertex { Position = new Vector3(-1, 1, 0.5f), TexCoords = new Vector2(3, 0) };
vertices[2] = new Vertex { Position = new Vector3(1, 1, 0.5f), TexCoords = new Vector2(3, 3) };
vertices[3] = new Vertex { Position = new Vector3(1, -1, 0.5f), TexCoords = new Vector2(0, 3) };
var indices = new short[] { 0, 1, 2, 0, 2, 3 };
var vertexBuffer = Buffer.Vertex.New(GraphicsDevice, vertices, GraphicsResourceUsage.Default);
var indexBuffer = Buffer.Index.New(GraphicsDevice, indices, GraphicsResourceUsage.Default);
var meshDraw = new MeshDraw
{
DrawCount = 4,
PrimitiveType = PrimitiveType.TriangleList,
VertexBuffers = new[]
{
new VertexBufferBinding(vertexBuffer,
new VertexDeclaration(VertexElement.Position<Vector3>(),
VertexElement.TextureCoordinate<Vector2>()),
4)
},
IndexBuffer = new IndexBufferBinding(indexBuffer, false, indices.Length),
};
var mesh = new Mesh
{
Draw = meshDraw,
};
simpleEffect = new Effect(GraphicsDevice, SpriteEffect.Bytecode);
parameterCollection = new ParameterCollection();
parameterCollectionGroup = new EffectParameterCollectionGroup(GraphicsDevice, simpleEffect, new[] { parameterCollection });
parameterCollection.Set(TexturingKeys.Texture0, UVTexture);
vao = VertexArrayObject.New(GraphicsDevice, mesh.Draw.IndexBuffer, mesh.Draw.VertexBuffers);
myDraws = new DrawOptions[3];
myDraws[0] = new DrawOptions { Sampler = GraphicsDevice.SamplerStates.LinearClamp, Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(-0.5f, 0.5f, 0f)) };
myDraws[1] = new DrawOptions { Sampler = GraphicsDevice.SamplerStates.LinearWrap, Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(0.5f, 0.5f, 0f)) };
myDraws[2] = new DrawOptions { Sampler = SamplerState.New(GraphicsDevice, new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Mirror)), Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(0.5f, -0.5f, 0f)) };
//var borderDescription = new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Border) { BorderColor = Color.Purple };
//var border = SamplerState.New(GraphicsDevice, borderDescription);
//myDraws[3] = new DrawOptions { Sampler = border, Transform = Matrix.Multiply(Matrix.Scale(0.3f), Matrix.Translation(-0.5f, -0.5f, 0f)) };
}
void addRandomTrees(VertexArrayObject<MeshData, InstancedData> vao,
int count, string objPath, string diffTexPath, float _scale=1f)
{
VAOItem<InstancedData> vaoi = (VAOItem<InstancedData>)vao.Add (OBJMeshLoader.Load (objPath));
vaoi.DiffuseTexture = Tetra.Texture.Load(diffTexPath);
vaoi.InstancedDatas = new Tetra.InstancedData[count];
for (int i = 0; i < count; i++) {
Vector2 pos = new Vector2 ((float)rnd.NextDouble() * terrain.GridSize, (float)rnd.NextDouble() * terrain.GridSize);
float scale = (float)(rnd.NextDouble () * 0.002f + 0.004f)*_scale;
vaoi.InstancedDatas[i].modelMats =Matrix4.CreateRotationX (MathHelper.PiOver2) * Matrix4.CreateScale (scale)* Matrix4.CreateTranslation(pos.X, pos.Y, 0f);
}
vaoi.UpdateInstancesData ();
}
protected override void DoRender(RenderEventArgs e)
{
// 绑定shader
this.shaderProgram.Bind();
this.shaderProgram.SetUniformMatrix4(strprojectionMatrix, projectionMatrix.to_array());
this.shaderProgram.SetUniformMatrix4(strviewMatrix, viewMatrix.to_array());
this.shaderProgram.SetUniformMatrix4(strmodelMatrix, modelMatrix.to_array());
this.shaderProgram.SetUniform(strlightPosition, this.lightPosition.x, this.lightPosition.y, this.lightPosition.z);
this.shaderProgram.SetUniform(strSurfaceColor, this.surfaceColor.x, this.surfaceColor.y, this.surfaceColor.z);
this.shaderProgram.SetUniform(strWarmColor, this.warmColor.x, this.warmColor.y, this.warmColor.z);
this.shaderProgram.SetUniform(strCoolColor, this.coolColor.x, this.coolColor.y, this.coolColor.z);
this.shaderProgram.SetUniform(strDiffuseWarm, this.diffuseWarm);
this.shaderProgram.SetUniform(strDiffuseCool, this.diffuseCool);
int[] originalPolygonMode = new int[1];
GL.GetInteger(GetTarget.PolygonMode, originalPolygonMode);
GL.Enable(GL.GL_PRIMITIVE_RESTART);
GL.PrimitiveRestartIndex(uint.MaxValue);
GL.PolygonMode(PolygonModeFaces.FrontAndBack, this.polygonMode);
if (this.vertexArrayObject == null)
{
var vao = new VertexArrayObject(
this.positionBufferRenderer,
//colorBufferRenderer,
this.normalBufferRenderer,
this.indexBufferRenderer);
vao.Create(e, this.shaderProgram);
this.vertexArrayObject = vao;
}
else
{
this.vertexArrayObject.Render(e, this.shaderProgram);
}
GL.PolygonMode(PolygonModeFaces.FrontAndBack, (PolygonModes)(originalPolygonMode[0]));
GL.Disable(GL.GL_PRIMITIVE_RESTART);
// 解绑shader
this.shaderProgram.Unbind();
}
public RenderableMesh(VertexBufferObject <Vertex3V3N> vertexBuffer, VertexBufferObject <uint> elementBuffer, VertexArrayObject vertexArrayObject, int length, ResourceAllocator resourceAllocator)
{
_resourceAllocator = resourceAllocator;
Faces = length;
_vertexArrayObject = vertexArrayObject;
_elementBuffer = elementBuffer;
_vertexBuffer = vertexBuffer;
}
