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Small syntax cleanup in cmd.h.

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Reworking of extension handling in -3dfx..
Support for changing the 3dfx dithering mode, if the extension is supported.
(Extension is /not/ in upstream mesa yet.)
This commit is contained in:
Zephaniah E. Hull 2000-06-21 16:24:17 +00:00
parent 2693901bd1
commit 4f8cabf049
2 changed files with 85 additions and 50 deletions
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2
source/cmd.c
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@ -874,7 +874,7 @@ skipwhite:
data++;
buf[i++] = c;
buf[i] = 0;
if ((var = Cvar_FindVar(buf)) != 0)
if ((var = Cvar_FindVar(buf)))
bestvar = var;
}

109
source/vid_3dfxsvga.c
View file

@ -290,6 +290,8 @@ CheckMultiTextureExtensions ( void )
}
typedef void (GLAPIENTRY *gl3DfxSetDitherModeEXT_FUNC) (GrDitherMode_t mode);
/*
===============
GL_Init
@ -327,6 +329,34 @@ void GL_Init (void)
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);
if (dlhand == NULL) {
Con_SafePrintf ("unable to set.\n");
return;
}
if (strstr(gl_extensions, "3DFX_set_dither_mode")) {
gl3DfxSetDitherModeEXT_FUNC dither_select = NULL;
dither_select = (void *) dlsym(dlhand, "gl3DfxSetDitherModeEXT");
if (COM_CheckParm ("-dither_2x2")) {
dither_select(GR_DITHER_2x2);
Con_Printf ("2x2.\n");
} else if (COM_CheckParm ("-dither_4x4")) {
dither_select(GR_DITHER_4x4);
Con_Printf ("4x4.\n");
} else {
glDisable(GL_DITHER);
Con_Printf ("disabled.\n");
}
}
dlclose(dlhand);
dlhand = NULL;
}
/*
@ -431,55 +461,37 @@ qboolean VID_Is8bit(void)
return is8bit;
}
#ifdef GL_EXT_SHARED
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;
char thePalette[256*3];
char *oldPalette, *newPalette;
if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") == NULL)
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("8-bit GL extensions disabled.\n");
Con_SafePrintf("disabled.\n");
return;
}
Con_SafePrintf("8-bit GL extensions enabled.\n");
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++;
}
glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette);
is8bit = true;
}
#else
extern void gl3DfxSetPaletteEXT(GLuint *pal);
void VID_Init8bitPalette(void)
{
// Check for 8bit Extensions and initialize them.
int i;
GLubyte table[256][4];
if (strstr(gl_extensions, "3DFX_set_global_palette")) {
char *oldpal;
GLubyte table[256][4];
gl3DfxSetPaletteEXT_FUNC load_texture = NULL;
if (strstr(gl_extensions, "3DFX_set_global_palette") == NULL)
return;
Con_SafePrintf("3DFX_set_global_palette.\n");
load_texture = (void *) dlsym(dlhand, "gl3DfxSetPaletteEXT");
if (COM_CheckParm("-no8bit")) {
Con_SafePrintf("8-bit GL extensions disabled.\n");
return;
}
Con_SafePrintf("8-bit GL extensions enabled.\n");
glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
oldpal = (char *) d_8to24table; //d_8to24table3dfx;
for (i=0;i<256;i++) {
@ -489,10 +501,33 @@ void VID_Init8bitPalette(void)
table[i][3] = 255;
oldpal++;
}
gl3DfxSetPaletteEXT((GLuint *)table);
load_texture((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;
}
dlclose(dlhand);
dlhand = NULL;
Con_SafePrintf ("not found.\n");
}
#endif
void VID_Init(unsigned char *palette)
{