public GlfwPlatform(int width, int height, bool fullscreen = false)
{
midi = new MidiConsoleOut();
// Handle Glfw errors:
Glfw.SetErrorCallback((code, desc) => throw new Exception(String.Format("GLFW error code {0}: {1}", code, desc)));
Debug.WriteLine("glfw.Init()");
Glfw.Init();
// Disable window resizing
Glfw.WindowHint(Glfw.Hint.Resizable, false);
// Enable multi-sampling
Glfw.WindowHint(Glfw.Hint.Samples, 8);
Glfw.Monitor monitor = fullscreen ? Glfw.GetPrimaryMonitor() : Glfw.Monitor.None;
Debug.WriteLine("window = glfw.CreateWindow()");
window = Glfw.CreateWindow(
width,
height,
"e-sharp-minor",
monitor,
Glfw.Window.None
);
// Fetch the real window size:
Glfw.GetWindowSize(window, out width, out height);
// Window dimensions (aspect ratio) in VG coordinate space (non-retina):
this.Width = width;
this.Height = height;
// Get the real framebuffer size for OpenGL pixels; should work with Retina:
int fbWidth, fbHeight;
Glfw.GetFramebufferSize(window, out fbWidth, out fbHeight);
// These are needed for vgClear since it works in framebuffer pixels.
FramebufferWidth = fbWidth;
FramebufferHeight = fbHeight;
Debug.WriteLine("glfw.MakeContextCurrent(window)");
Glfw.MakeContextCurrent(window);
// create an OpenVG context
Debug.WriteLine("vgContext = vgPrivContextCreateAM(0)");
vgContext = vgPrivContextCreateAM(IntPtr.Zero);
// create a drawing surface (sRGBA premultiplied color space)
//vgSurface = vgPrivSurfaceCreateAM(fbWidth, fbHeight, 0, 1, 1);
vgSurface = vgPrivSurfaceCreateAM(fbWidth, fbHeight, 0, 1, 0);
// bind context and surface
vgPrivMakeCurrentAM(vgContext, vgSurface);
// Create OpenVGContext:
vg = new OpenVGContext();
// Apply scale for retina display:
vg.Seti(ParamType.VG_MATRIX_MODE, (int)MatrixMode.VG_MATRIX_PATH_USER_TO_SURFACE);
vg.LoadIdentity();
vg.Scale((float)fbWidth / (float)width, (float)fbHeight / (float)height);
vg.Translate(0.5f, 0.5f);
vg.Seti(ParamType.VG_MATRIX_MODE, (int)MatrixMode.VG_MATRIX_GLYPH_USER_TO_SURFACE);
vg.LoadIdentity();
vg.Scale((float)fbWidth / (float)width, (float)fbHeight / (float)height);
vg.Translate(0.5f, 0.5f);
vg.Seti(ParamType.VG_MATRIX_MODE, (int)MatrixMode.VG_MATRIX_PATH_USER_TO_SURFACE);
// Disable vsync and show frame immediately after render:
Glfw.SwapInterval(0);
Debug.WriteLine("glfw.ShowWindow(window)");
Glfw.ShowWindow(window);
Glfw.SetKeyCallback(window, handleKeys);
Glfw.SetMouseButtonCallback(window, handleMouseButton);
Glfw.SetCursorPosCallback(window, handleMousePos);
}
public void InitRenderThread()
{
uint success;
// TODO: validate this assumption that display number goes here (what other values to use besides EGL_DEFAULT_DISPLAY?)
Debug.WriteLine("eglGetDisplay(...)");
egldisplay = eglGetDisplay(bcmDisplay);
//egldisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
throwIfError();
Debug.WriteLine("egldisplay = {0}", egldisplay);
Debug.WriteLine("eglInitialize(egldisplay)");
success = eglInitialize(egldisplay, out majorVersion, out minorVersion);
if (success == 0)
{
throwIfError();
throw new Exception("eglInitialize returned FALSE");
}
Debug.WriteLine("egl majorVersion={0} minorVersion={1}", majorVersion, minorVersion);
#if AMANITH_GLE
Debug.WriteLine("eglBindAPI(EGL_OPENGL_ES_API)");
success = eglBindAPI(EGL.EGL_OPENGL_ES_API);
if (success == 0)
{
throwIfError();
throw new Exception("eglBindAPI returned FALSE");
}
#else
Debug.WriteLine("eglBindAPI(EGL_OPENVG_API)");
success = eglBindAPI(EGL.EGL_OPENVG_API);
if (success == 0)
{
throwIfError();
throw new Exception("eglBindAPI returned FALSE");
}
#endif
#if false // AMANITH_GLE
// NOTE: this selecting GLES version 2 fails on RPI.
int[] context_attribs = new int[] {
(int)EGL_ATTRIBUTES.EGL_CONTEXT_CLIENT_VERSION, 2,
(int)EGL_ATTRIBUTES.EGL_NONE
};
#else
int[] context_attribs = null;
#endif
int[] attribs =
{
(int)EGL_ATTRIBUTES.EGL_RED_SIZE, 8,
(int)EGL_ATTRIBUTES.EGL_GREEN_SIZE, 8,
(int)EGL_ATTRIBUTES.EGL_BLUE_SIZE, 8,
(int)EGL_ATTRIBUTES.EGL_ALPHA_SIZE, 8,
//(int)EGL_ATTRIBUTES.EGL_LUMINANCE_SIZE, (int)EGL_ATTRIBUTES.EGL_DONT_CARE,
(int)EGL_ATTRIBUTES.EGL_SURFACE_TYPE, (int)EGL_ATTRIBUTES.EGL_WINDOW_BIT,
//(int)EGL_ATTRIBUTES.EGL_COLOR_BUFFER_TYPE, (int)EGL.EGL_RGB_BUFFER,
(int)EGL_ATTRIBUTES.EGL_SAMPLES, 0,
#if AMANITH_GLE
(int)EGL_ATTRIBUTES.EGL_DEPTH_SIZE, 8,
(int)EGL_ATTRIBUTES.EGL_STENCIL_SIZE, 8,
#endif
(int)EGL_ATTRIBUTES.EGL_NONE
};
int numconfigs;
uint eglconfig;
Debug.WriteLine("eglChooseConfig(egldisplay, ...)");
success = eglChooseConfig(egldisplay, attribs, out eglconfig, 1, out numconfigs);
if (success == 0)
{
throwIfError();
throw new Exception("eglChooseConfig returned FALSE");
}
if (numconfigs != 1)
{
throw new Exception("numconfigs != 1");
}
Debug.WriteLine("eglconfig = {0}", eglconfig);
window.element = dispman_element;
window.width = Width;
window.height = Height;
var windowHandle = GCHandle.Alloc(window, GCHandleType.Pinned);
Debug.WriteLine("eglCreateWindowSurface(egldisplay, ...)");
eglsurface = eglCreateWindowSurface(egldisplay, eglconfig, windowHandle.AddrOfPinnedObject(), null);
if (eglsurface == 0)
{
throwIfError();
throw new Exception("eglCreateWindowSurface returned FALSE");
}
Debug.WriteLine("eglsurface = {0}", eglsurface);
Debug.WriteLine("eglCreateContext(egldisplay, ...)");
eglcontext = eglCreateContext(egldisplay, eglconfig, 0, context_attribs);
if (eglcontext == 0)
{
throwIfError();
throw new Exception("eglCreateContext returned FALSE");
}
Debug.WriteLine("eglcontext = {0}", eglcontext);
Debug.WriteLine("eglMakeCurrent(egldisplay, eglsurface, eglsurface, eglcontext)");
success = eglMakeCurrent(egldisplay, eglsurface, eglsurface, eglcontext);
if (success == 0)
{
throwIfError();
throw new Exception("eglMakeCurrent returned FALSE");
}
Debug.WriteLine("eglSwapInterval(egldisplay, 0)");
success = eglSwapInterval(egldisplay, 0);
if (success == 0)
{
throwIfError();
throw new Exception("eglSwapInterval returned FALSE");
}
#if AMANITH_GLE
// Now build the AmanithVG context:
unsafe
{
Debug.WriteLine("mztContext = vgPrivContextCreateAM(null)");
var mztContext = vgPrivContextCreateAM(null);
Debug.WriteLine($"mztContext = {(uint)mztContext}");
Debug.WriteLine("mztSurface = vgPrivSurfaceCreateAM()");
var mztSurface = vgPrivSurfaceCreateAM(Width, Height, 0U, 0U, 0U);
Debug.WriteLine($"mztSurface = {(uint)mztSurface}");
Debug.WriteLine("success = vgPrivMakeCurrentAM(mztContext, mztSurface)");
success = vgPrivMakeCurrentAM(mztContext, mztSurface);
Debug.WriteLine($"success = {success}");
if (success == 0)
{
Console.Error.WriteLine("vgPrivMakeCurrentAM failed");
}
}
#endif
// Translate to pixel-perfect offset:
Debug.WriteLine("vgSeti(VG_MATRIX_MODE)");
vg.Seti(OpenVG.ParamType.VG_MATRIX_MODE, (int)OpenVG.MatrixMode.VG_MATRIX_PATH_USER_TO_SURFACE);
Debug.WriteLine("vgLoadIdentity()");
vg.LoadIdentity();
Debug.WriteLine("vgTranslate()");
vg.Translate(0.5f, 0.5f);
}
