protected virtual void Renderer_ContextCreated_Wrap(RenderThread sender)
{
GlVersion ver = GlVersion.Parse(Gl.GetString(StringName.Version));
ContextCreationEventArgs args = new ContextCreationEventArgs(ver.Api, ver.Version, ver.ToString(), ver.Profile, Gl.GetString(StringName.Vendor));
Gl.GetError();
Renderer_ContextCreated(sender, args);
}
public RenderProgram(RenderThread renderer)
{
Renderer = renderer;
renderer.DrawPrepare += Renderer_DrawPrepare;
renderer.Draw += Renderer_Draw;
renderer.DrawEnd += Renderer_DrawEnd;
renderer.ContextCreated += Renderer_ContextCreated_Wrap;
renderer.ContextDestroyed += Renderer_ContextDestroyed;
renderer.ProcessingRawInput += Renderer_ProcessingRawInput;
}
protected override void Renderer_ContextCreated(RenderThread sender, ContextCreationEventArgs args)
{
Log.WriteLine("Context created. Using: " + Gl.GetString(StringName.Renderer) + Gl.GetString(StringName.Version));
Log.WriteLine("Renderer_ContextCreated");
Renderer.TargetWindow.Resize += TargetWindow_Resize;
// Load Shaders
string vertex = File.ReadAllText("./shaders/hello.vert".Replace('/', Path.DirectorySeparatorChar));
string fragment = File.ReadAllText("./shaders/hello.frag".Replace('/', Path.DirectorySeparatorChar));
// Compile shaders
Log.WriteLine("Compiling shader 'hello'...");
shader = new ShaderProgram(vertex, fragment);
shader.Compile();
Log.WriteLine("Compiled shader index: %@", LogLevel.Message, shader.ProgramId);
// Load vertices and indices
vertices = new float[] {
0.0f, 0.5f, 0.0f, // top
0.5f, -0.5f, 0.0f, // bottom right
-0.5f, -0.5f, 0.0f, // bottom left
};
// Setup global VAO
VAO = Gl.GenVertexArray();
Gl.BindVertexArray(VAO);
CheckGlErrors("Renderer_ContextCreated:AfterVAO");
// Setup VBO (vertices)
VBO = Gl.GenBuffer();
Gl.BindBuffer(BufferTarget.ArrayBuffer, VBO);
int size = (sizeof(float) * vertices.Length); // size must be 36
Gl.BufferData(BufferTarget.ArrayBuffer, size, vertices, BufferUsageHint.StaticDraw);
CheckGlErrors("Renderer_ContextCreated:AfterBufferDataVBO");
Gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 3 * sizeof(float), 0);
CheckGlErrors("Renderer_ContextCreated:AfterVAP_VBO");
Gl.EnableVertexAttribArray(0);
CheckGlErrors("Renderer_ContextCreated:AfterVBO");
// Unbind
Gl.BindVertexArray(0);
CheckGlErrors("Renderer_ContextCreated:End");
}
protected override void Renderer_Draw(RenderThread sender, FrameStageEventArgs args)
{
Log.WriteLine("Renderer_Draw(%@)", LogLevel.Message, args.CurrentTime.FrameIndex);
Gl.BindVertexArray(VAO);
CheckGlErrors("Renderer_Draw:BindVAO");
Gl.ClearColor(0.2f, 0.3f, 0.3f, 1.0f);
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
CheckGlErrors("Renderer_Draw:Clear");
Gl.UseProgram(shader.ProgramId);
CheckGlErrors("Renderer_Draw:UseProgram");
Gl.DrawArrays(PrimitiveType.Triangles, 0, 3);
CheckGlErrors("Renderer_Draw:DrawArrays");
}
public TriangleShaderRenderProgram(RenderThread renderer) : base(renderer)
{
Renderer.AutoClearFrames = false;
Renderer.AutoEnableCaps = AutoEnableCapabilitiesFlags.None;
Renderer.WireframeMode = true;
}
protected virtual void Renderer_DrawPrepare(RenderThread sender, FrameStageControllerEventArgs args)
{
}
protected abstract void Renderer_Draw(RenderThread sender, FrameStageEventArgs args);
protected virtual void Renderer_DrawEnd(RenderThread sender, FrameStageEventArgs args)
{
}
protected virtual void Renderer_ContextCreated(RenderThread sender, ContextCreationEventArgs args)
{
}
protected virtual void Renderer_ProcessingRawInput(RenderThread sender, FrameStageControllerEventArgs args)
{
}
protected virtual void Renderer_ContextDestroyed(RenderThread sender)
{
}