Mitosis!
This commit is contained in:
lewd-alt
@@ -1,9 +1,12 @@
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using GLFW;
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using OpenGL;
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using System;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Forms.Integration;
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@@ -12,9 +15,188 @@ using System.Windows.Media.Imaging;
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namespace _2DGAMELIB;
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public class GlImage
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{
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//yeah this is a little bit sketchy
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public static unsafe GLFW.Window PtrToWindow(IntPtr source)
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{
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var sourceRef = __makeref(source);
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var dest = default(GLFW.Window);
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var destRef = __makeref(dest);
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*(IntPtr*)&destRef = *(IntPtr*)&sourceRef;
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return __refvalue(destRef, GLFW.Window);
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}
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private GLFW.Window window;
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uint shader_program;
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uint texture;
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uint vertex_buf;
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uint vao;
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public GlImage() { }
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public void ImageSetting() { }
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public delegate void ShouldCloseCallback();
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public ShouldCloseCallback Closing = delegate () { };
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public MouseButtonCallback Click = delegate (IntPtr window, MouseButton button, InputState state, ModifierKeys modifiers) { };
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public MouseCallback Move = delegate (IntPtr window, double x, double y) { };
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public SizeCallback Resize = delegate (IntPtr window, int width, int height) { };
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public MouseCallback Scroll = delegate (IntPtr window, double x, double y) { };
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public MouseEnterCallback Leave = delegate (IntPtr window, bool entered) { };
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public void PollEvents() {
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Glfw.PollEvents();
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if (Glfw.WindowShouldClose(window))
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Closing();
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}
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public void SetBitmap(Bitmap bmp)
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{
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Gl.UseProgram(shader_program);
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Gl.Viewport(0, 0, bmp.Width, bmp.Height);
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Gl.ActiveTexture(TextureUnit.Texture0);
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Gl.BindTexture(TextureTarget.Texture2d, texture);
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BitmapData data = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
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Gl.TexImage2D(TextureTarget.Texture2d, 0, InternalFormat.Rgba8, bmp.Width, bmp.Height, 0, OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
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bmp.UnlockBits(data);
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int res_pos = Gl.GetUniformLocation(shader_program, "res");
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Gl.Uniform2(res_pos, (float)bmp.Width, (float)bmp.Height);
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Gl.BindBuffer(BufferTarget.ArrayBuffer, vertex_buf);
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uint vert_pos = (uint)Gl.GetAttribLocation(shader_program, "vertPos");
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Gl.EnableVertexAttribArray(vert_pos);
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Gl.BindVertexArray(vao);
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Gl.VertexAttribPointer(
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vert_pos,
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2,
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VertexAttribType.Float,
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false,
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0,
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IntPtr.Zero
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);
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Gl.DrawArrays(PrimitiveType.TriangleStrip, 0, 4);
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Glfw.SwapBuffers(window);
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}
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public void BitmapSetting(Bitmap bmp)
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{
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Glfw.WindowHint(Hint.ClientApi, ClientApi.OpenGL);
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Glfw.WindowHint(Hint.ContextVersionMajor, 3);
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Glfw.WindowHint(Hint.ContextVersionMinor, 3);
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Glfw.WindowHint(Hint.OpenglProfile, Profile.Core);
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Glfw.WindowHint(Hint.Doublebuffer, true);
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Glfw.WindowHint(Hint.Decorated, true);
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Glfw.WindowHint(Hint.OpenglForwardCompatible, true);
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window = Glfw.CreateWindow(bmp.Width, bmp.Height, "yayy", Monitor.None, GLFW.Window.None);
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Glfw.SetWindowSizeCallback(window, Resize);
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Glfw.SetMouseButtonCallback(window, Click);
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Glfw.SetCursorPositionCallback(window, Move);
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Glfw.SetScrollCallback(window, Scroll);
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Glfw.SetCursorEnterCallback(window, Leave);
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GCHandle handle = GCHandle.Alloc(this);
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Glfw.SetWindowUserPointer(window, GCHandle.ToIntPtr(handle));
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Gl.Initialize();
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Glfw.MakeContextCurrent(window);
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string[] vertexShaderSource = {
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@"
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#version 100
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precision mediump float;
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attribute vec2 vertPos;
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void main()
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{
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gl_Position = vec4(vertPos, 0.0, 1.0);
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}
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"
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};
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string[] fragmentShaderSource = {
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@"
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#version 100
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precision mediump float;
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uniform sampler2D sTexture;
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uniform vec2 res;
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void main()
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{
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vec2 tc = gl_FragCoord.xy / res;
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tc.y = 1.0 - tc.y;
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gl_FragColor = texture2D(sTexture, tc);
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}
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"
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};
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uint vertexShader = Gl.CreateShader(ShaderType.VertexShader);
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Gl.ShaderSource(vertexShader, vertexShaderSource);
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Gl.CompileShader(vertexShader);
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uint fragmentShader = Gl.CreateShader(ShaderType.FragmentShader);
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Gl.ShaderSource(fragmentShader, fragmentShaderSource);
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Gl.CompileShader(fragmentShader);
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shader_program = Gl.CreateProgram();
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Gl.AttachShader(shader_program, vertexShader);
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Gl.AttachShader(shader_program, fragmentShader);
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Gl.LinkProgram(shader_program);
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int length;
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StringBuilder stringBuilder = new StringBuilder(10000);
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Gl.GetShaderInfoLog(fragmentShader, 10000, out length, stringBuilder);
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System.Diagnostics.Debug.WriteLine(stringBuilder);
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stringBuilder.Clear();
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Gl.GetShaderInfoLog(vertexShader, 10000, out length, stringBuilder);
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System.Diagnostics.Debug.WriteLine(stringBuilder);
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stringBuilder.Clear();
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Gl.GetProgramInfoLog(shader_program, 10000, out length, stringBuilder);
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System.Diagnostics.Debug.WriteLine(stringBuilder);
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stringBuilder.Clear();
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Gl.UseProgram(shader_program);
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Gl.Uniform1(Gl.GetUniformLocation(shader_program, "sTexture"), 0);
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texture = Gl.GenTexture();
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Gl.ActiveTexture(TextureUnit.Texture0);
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Gl.BindTexture(TextureTarget.Texture2d, texture);
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Gl.TexParameteri(TextureTarget.Texture2d, TextureParameterName.TextureWrapS, TextureWrapMode.ClampToEdge);
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Gl.TexParameteri(TextureTarget.Texture2d, TextureParameterName.TextureWrapT, TextureWrapMode.ClampToEdge);
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Gl.TexParameteri(TextureTarget.Texture2d, TextureParameterName.TextureMagFilter, TextureMagFilter.Nearest);
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Gl.TexParameteri(TextureTarget.Texture2d, TextureParameterName.TextureMinFilter, TextureMagFilter.Nearest);
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float[] buf = { 1.0f, 1.0f, -1.0f, 1.0f, 1.0f, -1.0f, -1.0f, -1.0f };
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vertex_buf = Gl.GenBuffer();
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Gl.BindBuffer(BufferTarget.ArrayBuffer, vertex_buf);
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Gl.BufferData(BufferTarget.ArrayBuffer, (uint)(sizeof(float) * buf.Length), buf, BufferUsage.StaticDraw);
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vao = Gl.GenVertexArray();
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}
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}
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public class WPFImage : ElementHost
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{
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private int ByteSize;
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public GlImage gl_img;
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private int ByteSize;
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private Rectangle rect1;
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@@ -37,6 +219,12 @@ public class WPFImage : ElementHost
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Stretch = Stretch.Uniform
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};
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base.Child = child;
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gl_img = new GlImage();
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}
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public void PollEvents() {
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gl_img.PollEvents();
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}
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public void ImageSetting()
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@@ -81,9 +269,11 @@ public class WPFImage : ElementHost
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wb.AddDirtyRect(rect2);
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wb.Unlock();
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bmp.UnlockBits(data);
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gl_img.SetBitmap(bmp);
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}
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public void BitmapSetting(Bitmap bmp)
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public void BitmapSetting(Bitmap bmp)
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{
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int pixelWidth = bmp.Width;
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int num = bmp.Height;
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@@ -92,6 +282,8 @@ public class WPFImage : ElementHost
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wb = new WriteableBitmap(pixelWidth, num, bmp.HorizontalResolution, bmp.VerticalResolution, PixelFormats.Bgra32, null);
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ByteSize = wb.BackBufferStride * num;
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Image.Source = wb;
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}
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gl_img.BitmapSetting(bmp);
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}
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}
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