private static bool DrawToWindow(IntPtr hWnd, FramebufferData framebufferData, int destX = 0, int destY = 0, int srcX = 0,
int srcY = 0, int width = -1,
int height = -1)
{
if (framebufferData.Data.IsDisposed)
{
throw new ObjectDisposedException("Framebuffer");
}
if (hWnd == IntPtr.Zero)
{
return(false);
}
var hDC = UnmanagedMethods.GetDC(hWnd);
if (hDC == IntPtr.Zero)
{
return(false);
}
try
{
DrawToDevice(framebufferData, hDC, destX, destY, srcX, srcY, width, height);
}
finally
{
UnmanagedMethods.ReleaseDC(hWnd, hDC);
}
return(true);
}
public override void OnAttach()
{
app = Application.GetApplication();
var window = app.GetWindow();
Renderer.SetClearColor(Color.White.ToVec4());
orthoCamera = new OrthographicCamera(-16f, 16f, -9f, 9f);
//persCamera = new PerspectiveCamera(45, 16f/9f, 0.01f, 1000);
//selectedCamera = persCamera;
//persCamera.Position = new OpenTK.Mathematics.Vector3(0, 0, -1);
float[] verticies =
{
-0.5f, -0.5f, 0.0f, /* Colors 0.0f, 0.0f, 0.0f, */ /* Tex Coords */ 0.0f, 0.0f,
0.5f, 0.5f, 0.0f, /* Colors 0.0f, 0.0f, 0.0f, */ /* Tex Coords */ 1.0f, 1.0f,
-0.5f, 0.5f, 0.0f, /* Colors 0.0f, 0.0f, 0.0f, */ /* Tex Coords */ 0.0f, 1.0f,
0.5f, -0.5f, 0.0f, /* Colors 0.0f, 0.0f, 0.0f, */ /* Tex Coords */ 1.0f, 0.0f,
};
uint[] indices =
{
0, 1, 2,
0, 3, 1
};
shader = new Shader("Assets/Shaders/vertex.glsl", "Assets/Shaders/fragment.glsl", true);
vertexBuffer = new VertexBuffer(verticies, verticies.Length * sizeof(float));
indexBuffer = new IndexBuffer(indices, indices.Length * sizeof(uint));
BufferLayout layout = new BufferLayout(
new BufferElement("positions", ShaderDataType.Float3),
new BufferElement("texCoords", ShaderDataType.Float2)
//new BufferElement("colors", ShaderDataType.Float3)
);
vertexBuffer.SetLayout(layout);
vertexArray = new VertexArray();
vertexArray.AddVertexBuffer(vertexBuffer);
vertexArray.SetIndexBuffer(indexBuffer);
checkerboard = new Texture2D("Assets/Textures/Checkerboard.png");
cherno = new Texture2D("Assets/Textures/ChernoLogo.png");
shader.SetInt("uTexture", 0);
vendorString = GL.GetString(StringName.Vendor);
rendererString = GL.GetString(StringName.Renderer);
versionString = GL.GetString(StringName.Version);
FramebufferData fbData = new FramebufferData(1280, 720);
framebuffer = new Framebuffer(fbData);
viewportSize = new Vector2(framebuffer.FramebufferData.Width, framebuffer.FramebufferData.Height);
}
private static void DrawToDevice(FramebufferData framebufferData, IntPtr hDC, int destX = 0, int destY = 0, int srcX = 0,
int srcY = 0, int width = -1,
int height = -1)
{
if (width == -1)
{
width = framebufferData.Size.Width;
}
if (height == -1)
{
height = framebufferData.Size.Height;
}
var bmpInfo = framebufferData.Header;
UnmanagedMethods.SetDIBitsToDevice(hDC, destX, destY, (uint)width, (uint)height, srcX, srcY,
0, (uint)framebufferData.Size.Height, framebufferData.Data.Address, ref bmpInfo, 0);
}
