int gl_combine_extension = false;
// LordHavoc: GL_EXT_compiled_vertex_array support
int gl_supportslockarrays = false;
+// LordHavoc: GLX_SGI_video_sync and WGL_EXT_swap_control
+int gl_videosyncavailable = false;
+
+// LordHavoc: if window is hidden, don't update screen
+int vid_hidden = false;
+// LordHavoc: if window is not the active window, don't hog as much CPU time,
+// let go of the mouse, turn off sound, and restore system gamma ramps...
+int vid_activewindow = true;
-cvar_t vid_mode = {0, "vid_mode", "0"};
-cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
cvar_t vid_fullscreen = {0, "vid_fullscreen", "1"};
+cvar_t vid_width = {0, "vid_width", "640"};
+cvar_t vid_height = {0, "vid_height", "480"};
+cvar_t vid_bitsperpixel = {0, "vid_bitsperpixel", "15"};
+
+cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
cvar_t gl_combine = {0, "gl_combine", "1"};
cvar_t in_pitch_min = {0, "in_pitch_min", "-90"};
cvar_t in_pitch_max = {0, "in_pitch_max", "90"};
+cvar_t m_filter = {CVAR_SAVE, "m_filter","0"};
+
+// brand of graphics chip
+const char *gl_vendor;
+// graphics chip model and other information
+const char *gl_renderer;
+// begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
+const char *gl_version;
+// extensions list, space separated
+const char *gl_extensions;
+// WGL, GLX, or AGL
+const char *gl_platform;
+// another extensions list, containing platform-specific extensions that are
+// not in the main list
+const char *gl_platformextensions;
+// name of driver library (opengl32.dll, libGL.so.1, or whatever)
+char gl_driver[256];
+
// GL_ARB_multitexture
void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
void (GLAPIENTRY *qglActiveTexture) (GLenum);
void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
void (GLAPIENTRY *qglUnlockArraysEXT) (void);
-typedef struct
-{
- char *name;
- void **funcvariable;
-}
-gl_extensionfunctionlist_t;
-typedef struct
-{
- char *name;
- gl_extensionfunctionlist_t *funcs;
- int *enablevariable;
- char *disableparm;
-}
-gl_extensioninfo_t;
+// general GL functions
-static gl_extensionfunctionlist_t multitexturefuncs[] =
-{
- {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
- {"glActiveTextureARB", (void **) &qglActiveTexture},
- {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
- {NULL, NULL}
-};
+void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
-static gl_extensionfunctionlist_t compiledvertexarrayfuncs[] =
-{
- {"glLockArraysEXT", (void **) &qglLockArraysEXT},
- {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
- {NULL, NULL}
-};
+void (GLAPIENTRY *qglClear)(GLbitfield mask);
-#ifndef WIN32
-#include <dlfcn.h>
-#endif
+//void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
+void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
+void (GLAPIENTRY *qglCullFace)(GLenum mode);
-static void *prjobj = NULL;
+void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
+void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
+void (GLAPIENTRY *qglEnable)(GLenum cap);
+void (GLAPIENTRY *qglDisable)(GLenum cap);
+//GLboolean GLAPIENTRY *qglIsEnabled)(GLenum cap);
-static void gl_getfuncs_begin(void)
-{
-#ifndef WIN32
- if (prjobj)
- dlclose(prjobj);
+void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
+void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
- prjobj = dlopen(NULL, RTLD_LAZY);
- if (prjobj == NULL)
- {
- Con_Printf("Unable to open symbol list for main program.\n");
- return;
- }
-#endif
-}
+void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
+void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
+void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
-static void gl_getfuncs_end(void)
-{
-#ifndef WIN32
- if (prjobj)
- {
- dlclose(prjobj);
- prjobj = NULL;
- }
-#endif
-}
+GLenum (GLAPIENTRY *qglGetError)(void);
+const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+void (GLAPIENTRY *qglFinish)(void);
+void (GLAPIENTRY *qglFlush)(void);
-static void *gl_getfuncaddress(char *name)
-{
-#ifdef WIN32
- return (void *) wglGetProcAddress(name);
-#else
- return (void *) dlsym(prjobj, name);
-#endif
-}
+void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
+void (GLAPIENTRY *qglDepthFunc)(GLenum func);
+void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
+void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
+
+void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
+void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+//void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglArrayElement)(GLint i);
+
+void (GLAPIENTRY *qglColor4ub)(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
+void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
+void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
+void (GLAPIENTRY *qglBegin)(GLenum mode);
+void (GLAPIENTRY *qglEnd)(void);
+
+void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
+void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+//void (GLAPIENTRY *qglPushMatrix)(void);
+//void (GLAPIENTRY *qglPopMatrix)(void);
+void (GLAPIENTRY *qglLoadIdentity)(void);
+void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
+void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
+//void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
+//void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
+//void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
+void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
+//void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
+//void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
+//void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
+void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
+
+void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
+
+//void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
+//void (GLAPIENTRY *qglStencilMask)(GLuint mask);
+//void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+//void (GLAPIENTRY *qglClearStencil)(GLint s);
+
+//void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
+
+//void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
+
+void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
+
+void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
-static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm)
+//void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
+
+int GL_CheckExtension(const char *name, const gl_extensionfunctionlist_t *funcs, const char *disableparm, int silent)
{
- gl_extensionfunctionlist_t *func;
+ int failed = false;
+ const gl_extensionfunctionlist_t *func;
Con_Printf("checking for %s... ", name);
return false;
}
- if (strstr(gl_extensions, name))
+ if (strstr(gl_extensions, name) || strstr(gl_platformextensions, name) || (strncmp(name, "GL_", 3) && strncmp(name, "WGL_", 4) && strncmp(name, "GLX_", 4) && strncmp(name, "AGL_", 4)))
{
for (func = funcs;func && func->name != NULL;func++)
{
- if (!(*func->funcvariable = (void *) gl_getfuncaddress(func->name)))
+ // functions are cleared before all the extensions are evaluated
+ if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
{
- Con_Printf("missing function \"%s\"!\n", func->name);
- return false;
+ if (!silent)
+ Con_Printf("missing function \"%s\" - broken driver!\n", func->name);
+ failed = true;
}
}
+ // delay the return so it prints all missing functions
+ if (failed)
+ return false;
Con_Printf("enabled\n");
return true;
}
}
}
-void VID_CheckExtensions(void)
+static gl_extensionfunctionlist_t opengl110funcs[] =
{
- Con_Printf("Checking OpenGL extensions...\n");
+ {"glClearColor", (void **) &qglClearColor},
+ {"glClear", (void **) &qglClear},
+// {"glAlphaFunc", (void **) &qglAlphaFunc},
+ {"glBlendFunc", (void **) &qglBlendFunc},
+ {"glCullFace", (void **) &qglCullFace},
+ {"glDrawBuffer", (void **) &qglDrawBuffer},
+ {"glReadBuffer", (void **) &qglReadBuffer},
+ {"glEnable", (void **) &qglEnable},
+ {"glDisable", (void **) &qglDisable},
+// {"glIsEnabled", (void **) &qglIsEnabled},
+ {"glEnableClientState", (void **) &qglEnableClientState},
+ {"glDisableClientState", (void **) &qglDisableClientState},
+ {"glGetBooleanv", (void **) &qglGetBooleanv},
+ {"glGetDoublev", (void **) &qglGetDoublev},
+ {"glGetFloatv", (void **) &qglGetFloatv},
+ {"glGetIntegerv", (void **) &qglGetIntegerv},
+ {"glGetError", (void **) &qglGetError},
+ {"glGetString", (void **) &qglGetString},
+ {"glFinish", (void **) &qglFinish},
+ {"glFlush", (void **) &qglFlush},
+ {"glClearDepth", (void **) &qglClearDepth},
+ {"glDepthFunc", (void **) &qglDepthFunc},
+ {"glDepthMask", (void **) &qglDepthMask},
+ {"glDepthRange", (void **) &qglDepthRange},
+ {"glDrawElements", (void **) &qglDrawElements},
+ {"glVertexPointer", (void **) &qglVertexPointer},
+// {"glNormalPointer", (void **) &qglNormalPointer},
+ {"glColorPointer", (void **) &qglColorPointer},
+ {"glTexCoordPointer", (void **) &qglTexCoordPointer},
+ {"glArrayElement", (void **) &qglArrayElement},
+ {"glColor4ub", (void **) &qglColor4ub},
+ {"glTexCoord2f", (void **) &qglTexCoord2f},
+ {"glVertex2f", (void **) &qglVertex2f},
+ {"glVertex3f", (void **) &qglVertex3f},
+ {"glBegin", (void **) &qglBegin},
+ {"glEnd", (void **) &qglEnd},
+ {"glMatrixMode", (void **) &qglMatrixMode},
+ {"glOrtho", (void **) &qglOrtho},
+ {"glFrustum", (void **) &qglFrustum},
+ {"glViewport", (void **) &qglViewport},
+// {"glPushMatrix", (void **) &qglPushMatrix},
+// {"glPopMatrix", (void **) &qglPopMatrix},
+ {"glLoadIdentity", (void **) &qglLoadIdentity},
+ {"glLoadMatrixd", (void **) &qglLoadMatrixd},
+ {"glLoadMatrixf", (void **) &qglLoadMatrixf},
+// {"glMultMatrixd", (void **) &qglMultMatrixd},
+// {"glMultMatrixf", (void **) &qglMultMatrixf},
+// {"glRotated", (void **) &qglRotated},
+ {"glRotatef", (void **) &qglRotatef},
+// {"glScaled", (void **) &qglScaled},
+// {"glScalef", (void **) &qglScalef},
+// {"glTranslated", (void **) &qglTranslated},
+ {"glTranslatef", (void **) &qglTranslatef},
+ {"glReadPixels", (void **) &qglReadPixels},
+// {"glStencilFunc", (void **) &qglStencilFunc},
+// {"glStencilMask", (void **) &qglStencilMask},
+// {"glStencilOp", (void **) &qglStencilOp},
+// {"glClearStencil", (void **) &qglClearStencil},
+// {"glTexEnvf", (void **) &qglTexEnvf},
+ {"glTexEnvi", (void **) &qglTexEnvi},
+// {"glTexParameterf", (void **) &qglTexParameterf},
+ {"glTexParameteri", (void **) &qglTexParameteri},
+ {"glBindTexture", (void **) &qglBindTexture},
+ {"glTexImage2D", (void **) &qglTexImage2D},
+ {"glTexSubImage2D", (void **) &qglTexSubImage2D},
+ {"glDeleteTextures", (void **) &qglDeleteTextures},
+ {"glPixelStoref", (void **) &qglPixelStoref},
+ {"glPixelStorei", (void **) &qglPixelStorei},
+ {NULL, NULL}
+};
+
+static gl_extensionfunctionlist_t drawrangeelementsfuncs[] =
+{
+ {"glDrawRangeElements", (void **) &qglDrawRangeElements},
+ {NULL, NULL}
+};
- gl_getfuncs_begin();
+static gl_extensionfunctionlist_t drawrangeelementsextfuncs[] =
+{
+ {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
+ {NULL, NULL}
+};
+static gl_extensionfunctionlist_t multitexturefuncs[] =
+{
+ {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
+ {"glActiveTextureARB", (void **) &qglActiveTexture},
+ {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
+ {NULL, NULL}
+};
+
+static gl_extensionfunctionlist_t compiledvertexarrayfuncs[] =
+{
+ {"glLockArraysEXT", (void **) &qglLockArraysEXT},
+ {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
+ {NULL, NULL}
+};
+
+void VID_CheckExtensions(void)
+{
gl_combine_extension = false;
gl_supportslockarrays = false;
gl_textureunits = 1;
- if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex"))
+ if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
+ Sys_Error("OpenGL 1.1.0 functions not found\n");
+
+ Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
+ Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
+ Con_Printf ("GL_VERSION: %s\n", gl_version);
+ Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
+ Con_Printf ("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
+
+ Con_Printf("Checking OpenGL extensions...\n");
+
+ if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
+ GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
+
+ if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
{
- glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
+ qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
if (gl_textureunits > 1)
- gl_combine_extension = gl_checkextension("GL_ARB_texture_env_combine", NULL, "-nocombine") || gl_checkextension("GL_EXT_texture_env_combine", NULL, "-nocombine");
+ gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
else
+ {
+ Con_Printf("GL_ARB_multitexture with less than 2 units? - BROKEN DRIVER!\n");
gl_textureunits = 1; // for sanity sake, make sure it's not 0
+ }
}
- gl_supportslockarrays = gl_checkextension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva");
+ gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
+
+ // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
+ if (qglDrawRangeElements == NULL)
+ qglDrawRangeElements = qglDrawRangeElementsEXT;
+}
- gl_getfuncs_end();
+double VID_CompareMode(int width1, int height1, int bpp1, int width2, int height2, int bpp2)
+{
+ double dw, dh, db;
+ dw = ((width2 - width1) / 2048) * 16;
+ dh = ((height2 - height1) / 1536) * 4;
+ db = (bpp2 - bpp1) / 32;
+ return dw * dw + dh * dh + db * db;
}
void Force_CenterView_f (void)
cl.viewangles[PITCH] = 0;
}
+void IN_PreMove(void)
+{
+}
+
+void CL_AdjustAngles(void);
+void IN_PostMove(void)
+{
+ // clamp after the move as well to prevent messed up rendering angles
+ CL_AdjustAngles();
+}
+
+void IN_Mouse(usercmd_t *cmd, float mx, float my)
+{
+ int mouselook = (in_mlook.state & 1) || freelook.integer;
+ float mouse_x, mouse_y;
+ static float old_mouse_x = 0, old_mouse_y = 0;
+
+ if (m_filter.integer)
+ {
+ mouse_x = (mx + old_mouse_x) * 0.5;
+ mouse_y = (my + old_mouse_y) * 0.5;
+ }
+ else
+ {
+ mouse_x = mx;
+ mouse_y = my;
+ }
+
+ old_mouse_x = mx;
+ old_mouse_y = my;
+
+ // LordHavoc: viewzoom affects mouse sensitivity for sniping
+ mouse_x *= sensitivity.value * cl.viewzoom;
+ mouse_y *= sensitivity.value * cl.viewzoom;
+
+ // Add mouse X/Y movement to cmd
+ if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
+ cmd->sidemove += m_side.value * mouse_x;
+ else
+ cl.viewangles[YAW] -= m_yaw.value * mouse_x;
+
+ if (mouselook)
+ V_StopPitchDrift();
+
+ if (mouselook && !(in_strafe.state & 1))
+ cl.viewangles[PITCH] += m_pitch.value * mouse_y;
+ else
+ {
+ if ((in_strafe.state & 1) && noclip_anglehack)
+ cmd->upmove -= m_forward.value * mouse_y;
+ else
+ cmd->forwardmove -= m_forward.value * mouse_y;
+ }
+}
+
void VID_InitCvars(void)
{
- Cvar_RegisterVariable(&vid_mode);
- Cvar_RegisterVariable(&vid_mouse);
+ int i;
+
Cvar_RegisterVariable(&vid_fullscreen);
+ Cvar_RegisterVariable(&vid_width);
+ Cvar_RegisterVariable(&vid_height);
+ Cvar_RegisterVariable(&vid_bitsperpixel);
+ Cvar_RegisterVariable(&vid_mouse);
Cvar_RegisterVariable(&gl_combine);
Cvar_RegisterVariable(&in_pitch_min);
Cvar_RegisterVariable(&in_pitch_max);
+ Cvar_RegisterVariable(&m_filter);
Cmd_AddCommand("force_centerview", Force_CenterView_f);
+
+// interpret command-line parameters
+ if ((i = COM_CheckParm("-window")) != 0)
+ Cvar_SetValueQuick(&vid_fullscreen, false);
+ if ((i = COM_CheckParm("-fullscreen")) != 0)
+ Cvar_SetValueQuick(&vid_fullscreen, true);
+ if ((i = COM_CheckParm("-width")) != 0)
+ Cvar_SetQuick(&vid_width, com_argv[i+1]);
+ if ((i = COM_CheckParm("-height")) != 0)
+ Cvar_SetQuick(&vid_height, com_argv[i+1]);
+ if ((i = COM_CheckParm("-bpp")) != 0)
+ Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
}
+