now entirely dynamic OpenGL binding
[xonotic/darkplaces.git] / vid_3dfxsvga.c
index e1dff04..a07b8f3 100644 (file)
@@ -56,16 +56,7 @@ static int   scr_width, scr_height;
 int    VID_options_items = 0;
 
 /*-----------------------------------------------------------------------*/
-
-float          gldepthmin, gldepthmax;
-
-const char *gl_vendor;
-const char *gl_renderer;
-const char *gl_version;
-const char *gl_extensions;
-
-/*-----------------------------------------------------------------------*/
-void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
+void D_BeginDirectRect (int x, int y, qbyte *pbitmap, int width, int height)
 {
 }
 
@@ -79,6 +70,8 @@ void VID_Shutdown(void)
                return;
 
        fxMesaDestroyContext(fc);
+
+       GL_CloseLibrary();
 }
 
 void signal_handler(int sig)
@@ -86,7 +79,6 @@ void signal_handler(int sig)
        printf("Received signal %d, exiting...\n", sig);
        Host_Shutdown();
        abort();
-       //Sys_Quit();
        exit(0);
 }
 
@@ -97,85 +89,14 @@ void InitSig(void)
        signal(SIGQUIT, signal_handler);
        signal(SIGILL, signal_handler);
        signal(SIGTRAP, signal_handler);
-//     signal(SIGIOT, signal_handler);
        signal(SIGBUS, signal_handler);
-//     signal(SIGFPE, signal_handler);
        signal(SIGSEGV, signal_handler);
        signal(SIGTERM, signal_handler);
 }
 
-/*
-       VID_CheckMultitexture
-
-       Check for ARB, SGIS, or EXT multitexture support
-*/
-void VID_CheckMultitexture()
-{
-       Con_Printf ("Checking for multitexture... ");
-       if (COM_CheckParm ("-nomtex"))
-       {
-               Con_Printf ("disabled\n");
-               return;
-       }
-       dlhand = dlopen (NULL, RTLD_LAZY);
-       if (dlhand == NULL)
-       {
-               Con_Printf ("unable to check\n");
-               return;
-       }
-       if (strstr(gl_extensions, "GL_ARB_multitexture "))
-       {
-               Con_Printf ("GL_ARB_multitexture\n");
-               qglMTexCoord2f = (void *)dlsym(dlhand, "glMultiTexCoord2fARB");
-               qglSelectTexture = (void *)dlsym(dlhand, "glActiveTextureARB");
-               gl_mtex_enum = GL_TEXTURE0_ARB;
-               gl_mtexable = true;
-       }
-       else if (strstr(gl_extensions, "GL_SGIS_multitexture "))
-       {
-               Con_Printf ("GL_SGIS_multitexture\n");
-               qglMTexCoord2f = (void *)dlsym(dlhand, "glMTexCoord2fSGIS");
-               qglSelectTexture = (void *)dlsym(dlhand, "glSelectTextureSGIS");
-               gl_mtex_enum = TEXTURE0_SGIS;
-               gl_mtexable = true;
-       }
-       else
-               Con_Printf ("none found\n");
-       dlclose(dlhand);
-       dlhand = NULL;
-}
-
-void VID_CheckCVA(void)
-{
-       qglLockArraysEXT = NULL;
-       qglUnlockArraysEXT = NULL;
-       gl_supportslockarrays = false;
-       if (COM_CheckParm("-nocva"))
-       {
-               Con_Printf("...compiled vertex arrays disabled\n");
-               return;
-       }
-       dlhand = dlopen (NULL, RTLD_LAZY);
-       if (dlhand == NULL)
-       {
-               Con_Printf("Unable to open symbol list for main program.\n");
-               return;
-       }
-       if (strstr(gl_extensions, "GL_EXT_compiled_vertex_array"))
-       {
-               Con_Printf("...using compiled vertex arrays\n");
-               qglLockArraysEXT = (void *) dlsym(dlhand, "glLockArraysEXT");
-               qglUnlockArraysEXT = (void *) dlsym(dlhand, "glUnlockArraysEXT");
-               gl_supportslockarrays = true;
-       }
-       dlclose(dlhand);
-       dlhand = NULL;
-}
-
-
 typedef void (GLAPIENTRY *gl3DfxSetDitherModeEXT_FUNC) (GrDitherMode_t mode);
 
-void VID_SetupDithering()
+void VID_SetupDithering(void)
 {
        Con_Printf ("Dithering: ");
 
@@ -198,7 +119,7 @@ void VID_SetupDithering()
                        dither_select(GR_DITHER_4x4);
                        Con_Printf ("4x4.\n");
                } else {
-                       glDisable(GL_DITHER);
+                       qglDisable(GL_DITHER);
                        Con_Printf ("disabled.\n");
                }
        }
@@ -208,29 +129,23 @@ void VID_SetupDithering()
 
 /*
 =================
-GL_BeginRendering
-
+VID_GetWindowSize
 =================
 */
-void GL_BeginRendering (int *x, int *y, int *width, int *height)
+void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 {
        *x = *y = 0;
        *width = scr_width;
        *height = scr_height;
-
-//    if (!wglMakeCurrent( maindc, baseRC ))
-//             Sys_Error ("wglMakeCurrent failed");
-
-//     glViewport (*x, *y, *width, *height);
 }
 
-
-void GL_EndRendering (void)
+void VID_Finish (void)
 {
-       if (!r_render.value)
-               return;
-       glFlush();
-       fxMesaSwapBuffers();
+       if (r_render.integer)
+       {
+               qglFinish();
+               fxMesaSwapBuffers();
+       }
 }
 
 static int resolutions[][3]={
@@ -309,12 +224,14 @@ int VID_SetGamma(float prescale, float gamma, float scale, float base)
        return FALSE;
 }
 
-void VID_Init()
+void VID_Init(void)
 {
        int i;
        GLint attribs[32];
        int width = 640, height = 480;
 
+       GL_OpenLibrary();
+
 // set vid parameters
        attribs[0] = FXMESA_DOUBLEBUFFER;
        attribs[1] = FXMESA_ALPHA_SIZE;
@@ -360,10 +277,6 @@ void VID_Init()
                vid.conheight = height;
        if (vid.conwidth > width)
                vid.conwidth = width;
-       vid.width = vid.conwidth;
-       vid.height = vid.conheight;
-
-       vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
 
        InitSig(); // trap evil signals
 
@@ -371,25 +284,17 @@ void VID_Init()
 
        VID_SetupDithering(); // 3DFX specific
 
-       Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
+       vid_hidden = false;
 
-       vid.recalc_refdef = 1;                          // force a surface cache flush
+       Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
 }
 
 void VID_ExtraOptionDraw(unsigned int options_draw_cursor)
 {
-/* Port specific Options menu entrys */
 }
 
 void VID_ExtraOptionCmd(int option_cursor)
 {
-/*
-       switch(option_cursor)
-       {
-       case 12:  // Always start with 12
-       break;
-       }
-*/
 }
 
 void VID_SetCaption (char *text)
@@ -399,3 +304,4 @@ void VID_SetCaption (char *text)
 void VID_HandlePause (qboolean pause)
 {
 }
+