render effect segv, drag chkbox track coords, check mask active,

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / bcdisplayinfo.C

diff --git a/cinelerra-5.1/guicast/bcdisplayinfo.C b/cinelerra-5.1/guicast/bcdisplayinfo.C
index e94ee7502b488ff4c7bab7cde502cf6edd8600da..50e07bb19f9a0b16f03ec93324422ec641bd0377 100644 (file)
--- a/cinelerra-5.1/guicast/bcdisplayinfo.C
+++ b/cinelerra-5.1/guicast/bcdisplayinfo.C
@@ -41,7 +41,7 @@ int BC_DisplayInfo::bottom_border = -1;
 int BC_DisplayInfo::right_border = -1;
 int BC_DisplayInfo::auto_reposition_x = -1;
 int BC_DisplayInfo::auto_reposition_y = -1;
-
+char BC_DisplayInfo::gl_shader_version[64] = { 0, };
 
 BC_DisplayInfo::BC_DisplayInfo(const char *display_name, int show_error)
 {
@@ -130,12 +130,63 @@ static void get_top_coords(Display *display, Window win, int &px,int &py, int &t
 }
 
 
-void BC_DisplayInfo::test_window(int &x_out,
-       int &y_out,
-       int &x_out2,
-       int &y_out2,
-       int x_in,
-       int y_in)
+int BC_DisplayInfo::gl_probe(Display *dpy, Window win)
+{
+#ifdef HAVE_GL
+       int fbAttribSingle[] = {
+               GLX_RENDER_TYPE,   GLX_RGBA_BIT,
+               GLX_RED_SIZE,      1,
+               GLX_GREEN_SIZE,    1,
+               GLX_BLUE_SIZE,     1,
+               GLX_DOUBLEBUFFER,  False,
+               None };
+       int fbAttribDouble[] = {
+               GLX_RENDER_TYPE,   GLX_RGBA_BIT,
+               GLX_RED_SIZE,      1,
+               GLX_GREEN_SIZE,    1,
+               GLX_BLUE_SIZE,     1,
+               GLX_DOUBLEBUFFER,  True,
+               None };
+       int scrnum = DefaultScreen(dpy);
+       int n_fb_cfgs = 0;
+       GLXFBConfig *fb_cfgs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &n_fb_cfgs);
+       if( !fb_cfgs )
+               fb_cfgs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &n_fb_cfgs);
+       if( !fb_cfgs )
+               return 1;
+       XVisualInfo *vis_info = 0;
+       GLXFBConfig glx_fb_config = 0;
+       for( int i=0; !vis_info && i<n_fb_cfgs; ++i ) {
+               if( vis_info ) { XFree(vis_info);  vis_info = 0; }
+               glx_fb_config = fb_cfgs[i];
+               vis_info = glXGetVisualFromFBConfig(dpy, glx_fb_config);
+       }
+       if( !vis_info )
+               return 1;
+       XFree(vis_info);
+       GLXWindow glx_win = glXCreateWindow(dpy, glx_fb_config, win, 0);
+       if( !glx_win ) return 1;
+       GLXContext glx_ctxt = glXCreateNewContext(dpy, glx_fb_config, GLX_RGBA_TYPE, 0, True);
+       if( glx_ctxt ) {
+               if( glXMakeContextCurrent(dpy, glx_win, glx_win, glx_ctxt) ) {
+                       const char *shader_version = (const char *)
+                               glGetString(GL_SHADING_LANGUAGE_VERSION);
+                       if( shader_version )
+                               strncpy(gl_shader_version, shader_version, sizeof(gl_shader_version));
+                       glXMakeContextCurrent(dpy, 0, 0, 0);
+               }
+               glXDestroyContext(dpy, glx_ctxt);
+       }
+       glXDestroyWindow(dpy, glx_win);
+       return 0;
+#else
+       return 1;
+#endif
+}
+
+
+void BC_DisplayInfo::test_window(int &x_out, int &y_out, int &x_out2, int &y_out2,
+               int x_in, int y_in)
 {
 #ifdef SINGLE_THREAD
        BC_Display::lock_display("BC_DisplayInfo::test_window");
@@ -157,6 +208,7 @@ void BC_DisplayInfo::test_window(int &x_out,
                        x_in, y_in, TEST_SIZE, TEST_SIZE,
                        0, default_depth, InputOutput,
                        vis, mask, &attr);
+       gl_probe(display, win);
        XSizeHints size_hints;
        XGetNormalHints(display, win, &size_hints);
        size_hints.flags = PPosition | PSize;
@@ -267,6 +319,12 @@ int BC_DisplayInfo::get_bottom_border()
        return bottom_border;
 }
 
+const char *BC_DisplayInfo::get_gl_shader_version()
+{
+       init_borders();
+       return gl_shader_version;
+}
+
 void BC_DisplayInfo::init_window(const char *display_name, int show_error)
 {
        if(display_name && display_name[0] == 0) display_name = NULL;