add asset max wxh and max texture tests, fix position clamp for single frame assets

[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 91f240d4429d709fe76e57da28914956d886cf44..62d58338fd648ba13844e17b19b7c5c3189b9608 100644 (file)
--- a/cinelerra-5.1/guicast/bcdisplayinfo.C
+++ b/cinelerra-5.1/guicast/bcdisplayinfo.C
@@ -41,6 +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;
+int BC_DisplayInfo::gl_max_texture_size = -1;
 char BC_DisplayInfo::gl_shader_version[64] = { 0, };
 
 BC_DisplayInfo::BC_DisplayInfo(const char *display_name, int show_error)
@@ -51,6 +52,12 @@ BC_DisplayInfo::BC_DisplayInfo(const char *display_name, int show_error)
        xinerama_screens = -1;
        xinerama_info = 0;
        init_window(display_name, show_error);
+#ifdef HAVE_GL
+       ncfgs = 0;
+       fb_cfgs = 0;
+       cfg = 0;
+       vis_info = 0;
+#endif
 }
 
 BC_DisplayInfo::~BC_DisplayInfo()
@@ -108,6 +115,21 @@ int BC_DisplayInfo::xinerama_geometry(int screen, int &x, int &y, int &w, int &h
        return 0;
 }
 
+int BC_DisplayInfo::xinerama_big_screen()
+{
+       int screens = get_xinerama_screens();
+       int best = 0, ret = -1;
+       for( int k=screens; --k>=0; ) {
+               int w = xinerama_info[k].width, h = xinerama_info[k].height;
+               int sz = w * h;
+               if( sz > best ) {
+                       ret = xinerama_info[k].screen_number;
+                       best = sz;
+               }
+       }
+       return ret;
+}
+
 static void get_top_coords(Display *display, Window win, int &px,int &py, int &tx,int &ty)
 {
        Window *pcwin = 0;  unsigned int ncwin = 0;
@@ -133,11 +155,8 @@ static void get_top_coords(Display *display, Window win, int &px,int &py, int &t
 
 
 #ifdef HAVE_GL
-int BC_DisplayInfo::gl_probe()
+int BC_DisplayInfo::gl_fb_config()
 {
-       int ncfgs = 0;
-       XVisualInfo *vis_info = 0;
-       GLXFBConfig *fb_cfgs = 0, cfg = 0;
 #if 0
 // find prefered config via glxinfo: mesa_hack
        static int attribs[] = {
@@ -206,16 +225,27 @@ int BC_DisplayInfo::gl_probe()
                printf("%s\n", "BC_DisplayInfo::gl_fb_config failed");
                cfg = 0;
        }
+       return 0;
+}
+
+int BC_DisplayInfo::gl_probe(Window win)
+{
        GLXContext glx_ctx = !cfg ? 0 :
                glXCreateNewContext(display, cfg, GLX_RGBA_TYPE, 0, True);
-       if( glx_ctx && glXMakeContextCurrent(display, None, None, glx_ctx) ) {
+       GLXWindow glx_win = !cfg ? 0 :
+               glXCreateWindow(display, cfg, win, 0);
+       if( glx_ctx && glx_win &&
+           glXMakeContextCurrent(display, glx_win, glx_win, glx_ctx) ) {
                const char *shader_version = (const char *)
                        glGetString(GL_SHADING_LANGUAGE_VERSION);
                if( shader_version )
                        strncpy(gl_shader_version, shader_version, sizeof(gl_shader_version));
        }
+       gl_max_texture_size = 0;
+       glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
        glXMakeContextCurrent(display, None, None, 0);
        if( glx_ctx ) glXDestroyContext(display, glx_ctx);
+       if( glx_win ) glXDestroyWindow(display, glx_win);
        if( fb_cfgs ) XFree(fb_cfgs);
        if( vis_info ) XFree(vis_info);
        return 0;
@@ -228,6 +258,9 @@ void BC_DisplayInfo::test_window(int &x_out, int &y_out, int &x_out2, int &y_out
 {
 #ifdef SINGLE_THREAD
        BC_Display::lock_display("BC_DisplayInfo::test_window");
+#endif
+#ifdef HAVE_GL
+       gl_fb_config();
 #endif
        x_out = 0;
        y_out = 0;
@@ -236,11 +269,12 @@ void BC_DisplayInfo::test_window(int &x_out, int &y_out, int &x_out2, int &y_out
        x_out2 = 0;
        y_out2 = 0;
 
-       unsigned long mask = CWEventMask | CWWinGravity | CWBackPixel;
+       unsigned long mask = CWEventMask | CWWinGravity | CWBackPixel | CWColormap;
        XSetWindowAttributes attr;
        attr.event_mask = StructureNotifyMask;
        attr.win_gravity = SouthEastGravity;
        attr.background_pixel = BlackPixel(display, scrnum);
+       attr.colormap = XCreateColormap(display, rootwin, vis, AllocNone);
        Window win = XCreateWindow(display, rootwin,
                        x_in, y_in, TEST_SIZE, TEST_SIZE,
                        0, depth, InputOutput,
@@ -303,6 +337,9 @@ void BC_DisplayInfo::test_window(int &x_out, int &y_out, int &x_out2, int &y_out
 //  x_out,y_out, x_out1,y_out1, x_out2,y_out2);
 //printf("\nx_in,y_in=%d,%d\n", x_in,y_in);
 
+#ifdef HAVE_GL
+       gl_probe(win);
+#endif
        XDestroyWindow(display, win);
        XFlush(display);
        XSync(display, 0);
@@ -310,9 +347,6 @@ void BC_DisplayInfo::test_window(int &x_out, int &y_out, int &x_out2, int &y_out
        x_out = MAX(0, MIN(x_out, 48));
        y_out = MAX(0, MIN(y_out, 48));
 
-#ifdef HAVE_GL
-       gl_probe();
-#endif
 #ifdef SINGLE_THREAD
        BC_Display::unlock_display();
 #endif
@@ -357,6 +391,12 @@ int BC_DisplayInfo::get_bottom_border()
        return bottom_border;
 }
 
+int BC_DisplayInfo::get_gl_max_texture_size()
+{
+       init_borders();
+       return gl_max_texture_size;
+}
+
 const char *BC_DisplayInfo::get_gl_shader_version()
 {
        init_borders();