]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_3dfxsvga.c
rewrote memory system entirely (hunk, cache, and zone are gone, memory pools replaced...
[xonotic/darkplaces.git] / vid_3dfxsvga.c
index 813a525f8b5e42baffe565a404b8123e83d3d8f0..97124a1ced1c7515d2325dec0adbe42517472954 100644 (file)
 #include <GL/fxmesa.h>
 #include <glide/sst1vid.h>
 
-#define WARP_WIDTH              320
-#define WARP_HEIGHT             200
-
-
-//unsigned short       d_8to16table[256];
-unsigned               d_8to24table[256];
-unsigned char  d_15to8table[65536];
-
-cvar_t         vid_mode = {"vid_mode","0",false};
 
 viddef_t       vid;    // global video state
 
@@ -66,15 +57,6 @@ int  VID_options_items = 0;
 
 /*-----------------------------------------------------------------------*/
 
-//int  texture_mode = GL_NEAREST;
-//int  texture_mode = GL_NEAREST_MIPMAP_NEAREST;
-//int  texture_mode = GL_NEAREST_MIPMAP_LINEAR;
-int    texture_mode = GL_LINEAR;
-//int  texture_mode = GL_LINEAR_MIPMAP_NEAREST;
-//int  texture_mode = GL_LINEAR_MIPMAP_LINEAR;
-
-int    texture_extension_number = 1;
-
 float          gldepthmin, gldepthmax;
 
 const char *gl_vendor;
@@ -82,22 +64,6 @@ const char *gl_renderer;
 const char *gl_version;
 const char *gl_extensions;
 
-void (*qglColorTableEXT) (int, int, int, int, int, const void*);
-void (*qgl3DfxSetPaletteEXT) (GLuint *);
-void (*qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
-void (*qglSelectTexture) (GLenum);
-
-int gl_mtex_enum = 0;
-
-// LordHavoc: in GLX these are never set, simply provided to make the rest of the code work
-qboolean is8bit = false;
-qboolean isPermedia = false;
-qboolean isATI = false;
-qboolean isG200 = false;
-qboolean isRagePro = false;
-qboolean gl_mtexable = false;
-qboolean gl_arrays = false;
-
 /*-----------------------------------------------------------------------*/
 void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
 {
@@ -138,88 +104,10 @@ void InitSig(void)
        signal(SIGTERM, signal_handler);
 }
 
-/*
-       CheckMultiTextureExtensions
-
-       Check for ARB, SGIS, or EXT multitexture support
-*/
-void
-CheckMultiTextureExtensions ( void )
-{
-       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;          
-}
-
-
 typedef void (GLAPIENTRY *gl3DfxSetDitherModeEXT_FUNC) (GrDitherMode_t mode);
 
-/*
-===============
-GL_Init
-===============
-*/
-void GL_Init (void)
+void VID_SetupDithering(void)
 {
-       gl_vendor = glGetString (GL_VENDOR);
-       Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
-       gl_renderer = glGetString (GL_RENDERER);
-       Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
-
-       gl_version = glGetString (GL_VERSION);
-       Con_Printf ("GL_VERSION: %s\n", gl_version);
-       gl_extensions = glGetString (GL_EXTENSIONS);
-       Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
-
-       CheckMultiTextureExtensions ();
-
-       glClearColor (1,0,0,0);
-       glCullFace(GL_FRONT);
-       glEnable(GL_TEXTURE_2D);
-
-       glEnable(GL_ALPHA_TEST);
-       glAlphaFunc(GL_GREATER, 0.666);
-
-       glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
-       glShadeModel (GL_FLAT);
-
-       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-       glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-
-       glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
-       glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-
        Con_Printf ("Dithering: ");
 
        dlhand = dlopen (NULL, RTLD_LAZY);
@@ -270,6 +158,8 @@ void GL_BeginRendering (int *x, int *y, int *width, int *height)
 
 void GL_EndRendering (void)
 {
+       if (!r_render.integer)
+               return;
        glFlush();
        fxMesaSwapBuffers();
 }
@@ -345,87 +235,15 @@ findres(int *width, int *height)
        return GR_RESOLUTION_640x480;
 }
 
-qboolean VID_Is8bit(void)
+int VID_SetGamma(float prescale, float gamma, float scale, float base)
 {
-       return is8bit;
-}
-
-typedef void (GLAPIENTRY *glColorTableEXT_FUNC) (GLenum, GLenum, GLsizei, 
-               GLenum, GLenum, const GLvoid *);
-typedef void (GLAPIENTRY *gl3DfxSetPaletteEXT_FUNC) (GLuint *pal);
-
-void VID_Init8bitPalette()
-{
-       // Check for 8bit Extensions and initialize them.
-       int i;
-
-       dlhand = dlopen (NULL, RTLD_LAZY);
-
-       Con_SafePrintf ("8-bit GL extensions: ");
-
-       if (dlhand == NULL) {
-               Con_SafePrintf ("unable to check.\n");
-               return;
-       }
-
-       if (COM_CheckParm("-no8bit")) {
-               Con_SafePrintf("disabled.\n");
-               return;
-       }
-
-       if (strstr(gl_extensions, "3DFX_set_global_palette") && (qgl3DfxSetPaletteEXT = dlsym(dlhand, "gl3DfxSetPaletteEXT")) != NULL)
-       {
-               GLubyte table[256][4];
-               char *oldpal;
-
-               Con_SafePrintf("3DFX_set_global_palette.\n");
-               glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
-               oldpal = (char *) d_8to24table; //d_8to24table3dfx;
-               for (i=0;i<256;i++)
-               {
-                       table[i][2] = *oldpal++;
-                       table[i][1] = *oldpal++;
-                       table[i][0] = *oldpal++;
-                       table[i][3] = 255;
-                       oldpal++;
-               }
-               qgl3DfxSetPaletteEXT((GLuint *)table);
-               is8bit = true;
-       } else if (strstr(gl_extensions, "GL_EXT_shared_texture_palette")) {
-               char thePalette[256*3];
-               char *oldPalette, *newPalette;
-               glColorTableEXT_FUNC load_texture = NULL;
-
-               Con_SafePrintf("GL_EXT_shared.\n");
-               load_texture = (void *) dlsym(dlhand, "glColorTableEXT");
-
-               glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
-               oldPalette = (char *) d_8to24table; //d_8to24table3dfx;
-               newPalette = thePalette;
-               for (i=0;i<256;i++) {
-                       *newPalette++ = *oldPalette++;
-                       *newPalette++ = *oldPalette++;
-                       *newPalette++ = *oldPalette++;
-                       oldPalette++;
-               }
-               load_texture(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette);
-               is8bit = true;
-       } else {
-               Con_SafePrintf ("not found.\n");
-       }
-
-       dlclose(dlhand);
-       dlhand = NULL;
+       return FALSE;
 }
 
-extern void Check_Gamma (unsigned char *pal);
-void VID_Setup15to8Palette ();
-
-void VID_Init(unsigned char *palette)
+void VID_Init(void)
 {
        int i;
        GLint attribs[32];
-       char    gldir[MAX_OSPATH];
        int width = 640, height = 480;
 
 // set vid parameters
@@ -473,31 +291,16 @@ void VID_Init(unsigned char *palette)
                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
 
        GL_Init();
 
-       snprintf(gldir, sizeof(gldir), "%s/glquake", com_gamedir);
-       Sys_mkdir (gldir);
-
-       VID_SetPalette(palette);
-
-       Check_Gamma(palette);
-
-       // Check for 3DFX Extensions and initialize them.
-       VID_Init8bitPalette();
-
-       if (is8bit) // LordHavoc: avoid calculating 15to8 table if it won't be used
-               VID_Setup15to8Palette ();
+       VID_SetupDithering(); // 3DFX specific
 
        Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
 
-       vid.recalc_refdef = 1;                          // force a surface cache flush
+//     vid.recalc_refdef = 1;                          // force a surface cache flush
 }
 
 void VID_ExtraOptionDraw(unsigned int options_draw_cursor)
@@ -515,9 +318,6 @@ void VID_ExtraOptionCmd(int option_cursor)
        }
 */
 }
-void VID_InitCvars ()
-{
-}
 
 void VID_SetCaption (char *text)
 {