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-rw-r--r--test/customframe.c345
1 files changed, 345 insertions, 0 deletions
diff --git a/test/customframe.c b/test/customframe.c
new file mode 100644
index 0000000..d3cbeb5
--- /dev/null
+++ b/test/customframe.c
@@ -0,0 +1,345 @@
+#include <windows.h>
+#include <wingdi.h>
+
+#include <stdio.h>
+#include <math.h>
+
+#include <GL/gl.h>
+#include <GL/glext.h>
+
+#include <wglarb.h>
+#include "dwm_load.h"
+
+LRESULT CALLBACK ViewProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam);
+
+void display(HWND hWnd);
+
+HGLRC hRC = NULL;
+
+BOOL use_dwm = FALSE;
+float bg_color[3];
+
+int win_width;
+int win_height;
+
+HWND OpenGLWindowCreate(
+ LPCTSTR lpszWindowName,
+ LPCTSTR lpszClassName,
+ WNDPROC lpfnWndProc,
+ HINSTANCE hInstance,
+ DWORD dwStyle,
+ DWORD dwExStyle,
+ HWND hWndParent)
+{
+ if(!hInstance) {
+ hInstance = GetModuleHandle(NULL);
+ }
+
+ WNDCLASS wc;
+ memset(&wc,0,sizeof(wc));
+ wc.hInstance = hInstance;
+ wc.style = CS_HREDRAW|CS_VREDRAW|CS_OWNDC;
+
+ /* Register DefWindowProc with each the intermediary and the
+ * proper window class. We're setting the window proc of the
+ * proper window to the user supplied window proc later so that
+ * we can use the default proper window class name if no class
+ * name was supplied by the user. It also allows to use the same
+ * user supplied window class name with multiple, different
+ * window functions. */
+ wc.lpfnWndProc = DefWindowProc;
+ /* register proper window class */
+ if( !lpszClassName ) {
+ return FALSE;
+ }
+ wc.lpszClassName = lpszClassName;
+ RegisterClass(&wc);
+
+ RECT rect;
+ if( hWndParent
+ && (dwStyle & WS_CHILD) ) {
+ GetClientRect(hWndParent, &rect);
+ }
+ else {
+ rect.left =
+ rect.top =
+ rect.right =
+ rect.bottom = CW_USEDEFAULT;
+ }
+
+ HWND hWnd =
+ CreateWindowEx(
+ dwExStyle,
+ wc.lpszClassName,
+ lpszWindowName,
+ dwStyle,
+ rect.left,
+ rect.top,
+ rect.right,
+ rect.bottom,
+ hWndParent,
+ NULL,
+ hInstance,
+ NULL);
+ if(!hWnd) {
+ return NULL;
+ }
+
+ SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)ViewProc);
+
+ HDC hDC = GetDC(hWnd);
+ if(!hDC) {
+ fprintf(stderr, "error retrieving proper DC\n");
+ DestroyWindow(hWnd);
+ return NULL;
+ }
+
+ int attribs[] = {
+ WGL_DRAW_TO_WINDOW_ARB, TRUE,
+ WGL_DOUBLE_BUFFER_ARB, TRUE,
+ WGL_SUPPORT_OPENGL_ARB, TRUE,
+ WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB,
+ WGL_TRANSPARENT_ARB, TRUE,
+ WGL_COLOR_BITS_ARB, 32,
+ WGL_RED_BITS_ARB, 8,
+ WGL_GREEN_BITS_ARB, 8,
+ WGL_BLUE_BITS_ARB, 8,
+ WGL_ALPHA_BITS_ARB, 8,
+ WGL_DEPTH_BITS_ARB, 24,
+ WGL_STENCIL_BITS_ARB, 8,
+ 0, 0
+ };
+
+ INT iPF;
+ UINT num_formats_choosen;
+ if( !wglarb_ChoosePixelFormatARB(
+ hDC,
+ attribs,
+ NULL,
+ 1,
+ &iPF,
+ &num_formats_choosen) ) {
+ fprintf(stderr, "error choosing proper pixel format\n");
+ return NULL;
+ }
+ if( !num_formats_choosen ) {
+ return NULL;
+ }
+
+ PIXELFORMATDESCRIPTOR pfd;
+ memset(&pfd, 0, sizeof(pfd));
+ /* now this is a kludge; we need to pass something in the PIXELFORMATDESCRIPTOR
+ * to SetPixelFormat; it will be ignored, mostly. OTOH we want to send something
+ * sane, we're nice people after all - it doesn't hurt if this fails. */
+ DescribePixelFormat(hDC, iPF, sizeof(pfd), &pfd);
+
+ if( !SetPixelFormat(hDC, iPF, &pfd) ) {
+ fprintf(stderr, "error setting proper pixel format\n");
+ ReleaseDC(hWnd, hDC);
+ DestroyWindow(hWnd);
+
+ return NULL;
+ }
+
+ int context_attribs[] = {
+ WGL_CONTEXT_MAJOR_VERSION_ARB, 2,
+ WGL_CONTEXT_MINOR_VERSION_ARB, 1,
+ 0, 0
+ };
+ hRC = wglarb_CreateContextAttribsARB(hDC, NULL, context_attribs);
+ if(!hRC) {
+ ReleaseDC(hWnd, hDC);
+ DestroyWindow(hWnd);
+
+ return NULL;
+ }
+ ReleaseDC(hWnd, hDC);
+
+ if( use_dwm ) {
+ DWM_BLURBEHIND bb = {0};
+ bb.dwFlags = DWM_BB_ENABLE;
+ bb.fEnable = TRUE;
+ bb.hRgnBlur = NULL;
+ DwmEnableBlurBehindWindow(hWnd, &bb);
+
+ MARGINS margins = {-1};
+ DwmExtendFrameIntoClientArea(hWnd, &margins);
+ }
+
+ return hWnd;
+
+fail_create_rc:
+fail_set_pf:
+fail_choose_pf:
+ ReleaseDC(hWnd, hDC);
+fail_get_dc:
+ DestroyWindow(hWnd);
+fail_create_wnd:
+
+ return NULL;
+}
+
+void OnOpenGLWindowDestroy()
+{
+ wglMakeCurrent(NULL,NULL);
+ wglDeleteContext(hRC);
+ PostQuitMessage(0);
+}
+
+BOOL cursor_needs_setting = TRUE;
+
+LRESULT CALLBACK ViewProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
+{
+ DWORD bgcol;
+ BOOL opaque;
+ switch(uMsg)
+ {
+ case WM_CREATE:
+ case WM_DWMNCRENDERINGCHANGED:
+ if( use_dwm ) {
+ DwmGetColorizationColor(&bgcol, &opaque);
+ if( opaque ) {
+ bg_color[0] = (float)GetRValue(bgcol)/255.f;
+ bg_color[1] = (float)GetGValue(bgcol)/255.f;
+ bg_color[2] = (float)GetBValue(bgcol)/255.f;
+ }
+ else {
+ bg_color[0] = 0.f;
+ bg_color[1] = 0.f;
+ bg_color[2] = 0.f;
+ }
+ }
+ break;
+
+ case WM_MOUSELEAVE:
+ cursor_needs_setting = TRUE;
+ break;
+
+ case WM_MOUSEMOVE:
+ if( cursor_needs_setting ) {
+ SetClassLongPtr(hWnd, GCLP_HCURSOR, (LONG_PTR)LoadCursor(NULL, IDC_ARROW));
+ cursor_needs_setting = FALSE;
+ }
+
+ break;
+
+ case WM_DESTROY:
+ OnOpenGLWindowDestroy();
+ break;
+
+ case WM_PAINT:
+ display(hWnd);
+ break;
+
+ default:
+ break;
+ }
+ return DefWindowProc(hWnd,uMsg,wParam,lParam);
+}
+
+void display(HWND hWnd)
+{
+ HDC hDC = GetDC(hWnd);
+ RECT rect;
+ GetClientRect(hWnd, &rect);
+
+ wglMakeCurrent(hDC, hRC);
+
+ float const ratio = (float)rect.right/(float)rect.bottom;
+ glViewport(
+ 0,
+ 0,
+ rect.right,
+ rect.bottom);
+
+ glClearColor(
+ bg_color[0],
+ bg_color[1],
+ bg_color[2],
+ 0.);
+ glClearDepth(1.);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-ratio, ratio, -1., 1., -1, 1);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ float const cos60 = cosf(M_PI*60./180.);
+ float const sin60 = sinf(M_PI*60./180.);
+
+ GLfloat const triangle[] = {
+ -1., -sin60, 1., 0., 0.,
+ 1., -sin60, 0., 1., 0.,
+ 0., sin60, 0., 0., 1.
+ };
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ glVertexPointer(2, GL_FLOAT, sizeof(GLfloat)*5, &triangle[0]);
+ glColorPointer( 3, GL_FLOAT, sizeof(GLfloat)*5, &triangle[0]);
+
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+
+ SwapBuffers(hDC);
+ glFinish();
+
+ wglMakeCurrent(NULL, NULL);
+ ReleaseDC(hWnd, hDC);
+}
+
+#if 1
+int CALLBACK WinMain(
+ HINSTANCE hInstance,
+ HINSTANCE hPrevInstance,
+ LPSTR lpCmdLine,
+ int nCmdShow)
+{
+#else
+int main(int argc, char *argv[])
+{
+ HINSTANCE hInstance = GetModuleHandle(NULL);
+#endif
+ MSG msg;
+ BOOL bRet;
+
+ OSVERSIONINFO os_vinfo;
+ memset(&os_vinfo, 0, sizeof(os_vinfo));
+ os_vinfo.dwOSVersionInfoSize = sizeof(os_vinfo);
+ GetVersionEx(&os_vinfo);
+ use_dwm = 6 <= os_vinfo.dwMajorVersion;
+
+ HWND hWndGL = OpenGLWindowCreate(
+ "Test", "TestWnd",
+ ViewProc,
+ hInstance,
+#if 1
+ WS_OVERLAPPEDWINDOW
+#else
+ WS_POPUP
+#endif
+ , WS_EX_APPWINDOW,
+ NULL);
+ if(!hWndGL) {
+ return -1;
+ }
+ UpdateWindow(hWndGL);
+ ShowWindow(hWndGL, SW_SHOW);
+
+ while( (bRet = GetMessage(&msg, NULL, 0, 0)) ) {
+ if(bRet == -1) {
+ // Handle Error
+ }
+ else {
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ }
+ }
+ return msg.wParam;
+}