qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
qboolean isRagePro = false; // LordHavoc: the ATI Rage Pro has limitations with per pixel alpha (the color scaler does not apply to per pixel alpha images...), although not as bad as a G200.
-// LordHavoc: compiled vertex array support
-qboolean gl_supportslockarrays = false;
-// LordHavoc: ARB multitexture support
-qboolean gl_mtexable = false;
-int gl_mtex_enum = 0;
-
-void (GLAPIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
-void (GLAPIENTRY *qglSelectTexture) (GLenum);
+// LordHavoc: GL_ARB_multitexture support
+int gl_textureunits;
+// LordHavoc: GL_ARB_texture_env_combine or GL_EXT_texture_env_combine support
+int gl_combine_extension = false;
+// LordHavoc: GL_EXT_compiled_vertex_array support
+int gl_supportslockarrays = false;
+
+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 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"};
+
+// GL_ARB_multitexture
+void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+void (GLAPIENTRY *qglActiveTexture) (GLenum);
+void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
+
+// GL_EXT_compiled_vertex_array
void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
void (GLAPIENTRY *qglUnlockArraysEXT) (void);
+
+
+// general GL functions
+
+void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+
+void (GLAPIENTRY *qglClear)(GLbitfield mask);
+
+//void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
+void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
+void (GLAPIENTRY *qglCullFace)(GLenum mode);
+
+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);
+
+void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
+void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
+
+//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);
+
+GLenum (GLAPIENTRY *qglGetError)(void);
+const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+void (GLAPIENTRY *qglFinish)(void);
+void (GLAPIENTRY *qglFlush)(void);
+
+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 *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+
+void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+
+void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
+
+
+typedef struct
+{
+ char *name;
+ void **funcvariable;
+}
+gl_extensionfunctionlist_t;
+
+typedef struct
+{
+ char *name;
+ gl_extensionfunctionlist_t *funcs;
+ int *enablevariable;
+ char *disableparm;
+}
+gl_extensioninfo_t;
+
+static gl_extensionfunctionlist_t opengl110funcs[] =
+{
+ {"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},
+ {"glTexImage2D", (void **) &qglTexImage2D},
+ {"glBindTexture", (void **) &qglBindTexture},
+ {"glTexSubImage2D", (void **) &qglTexSubImage2D},
+ {NULL, NULL}
+};
+
+static gl_extensionfunctionlist_t drawrangeelementsfuncs[] =
+{
+ {"glDrawRangeElements", (void **) &qglDrawRangeElements},
+ {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}
+};
+
+#ifndef WIN32
+#include <dlfcn.h>
+#endif
+
+#ifdef WIN32
+static HINSTANCE gldll;
+#else
+static void *prjobj = NULL;
+#endif
+
+static void gl_getfuncs_begin(void)
+{
+#ifdef WIN32
+ gldll = LoadLibrary("opengl32.dll");
+#else
+ if (prjobj)
+ dlclose(prjobj);
+
+ prjobj = dlopen(NULL, RTLD_LAZY);
+ if (prjobj == NULL)
+ {
+ Con_Printf("Unable to open symbol list for main program.\n");
+ return;
+ }
+#endif
+}
+
+static void gl_getfuncs_end(void)
+{
+#ifdef WIN32
+ FreeLibrary(gldll);
+#else
+ if (prjobj)
+ dlclose(prjobj);
+ prjobj = NULL;
+#endif
+}
+
+static void *gl_getfuncaddress(char *name)
+{
+#ifdef WIN32
+// return (void *) wglGetProcAddress(name);
+ return (void *) GetProcAddress(gldll, name);
+#else
+ return (void *) dlsym(prjobj, name);
+#endif
+}
+
+static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm)
+{
+ int failed = false;
+ gl_extensionfunctionlist_t *func;
+
+ Con_Printf("checking for %s... ", name);
+
+ for (func = funcs;func && func->name;func++)
+ *func->funcvariable = NULL;
+
+ if (disableparm && COM_CheckParm(disableparm))
+ {
+ Con_Printf("disabled by commandline\n");
+ return false;
+ }
+
+ if (!strstr(name, "GL_") || strstr(gl_extensions, name))
+ {
+ for (func = funcs;func && func->name != NULL;func++)
+ {
+ if (!(*func->funcvariable = (void *) gl_getfuncaddress(func->name)))
+ {
+ Con_Printf("missing function \"%s\"!\n", func->name);
+ failed = true;
+ }
+ }
+ // delay the return so it prints all missing functions
+ if (failed)
+ return false;
+ Con_Printf("enabled\n");
+ return true;
+ }
+ else
+ {
+ Con_Printf("not detected\n");
+ return false;
+ }
+}
+
+void VID_CheckExtensions(void)
+{
+ Con_Printf("Checking OpenGL extensions...\n");
+
+ gl_getfuncs_begin();
+
+ gl_combine_extension = false;
+ gl_supportslockarrays = false;
+ gl_textureunits = 1;
+
+ if (!gl_checkextension("OpenGL 1.1.0 or above", opengl110funcs, NULL))
+ Sys_Error("OpenGL 1.1.0 functions not found\n");
+
+ gl_checkextension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements");
+
+ if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex"))
+ {
+ 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");
+ else
+ gl_textureunits = 1; // for sanity sake, make sure it's not 0
+ }
+
+ gl_supportslockarrays = gl_checkextension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva");
+
+ gl_getfuncs_end();
+}
+
+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);
+ Cvar_RegisterVariable(&vid_fullscreen);
+ 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);
+}
projects / xonotic / darkplaces.git / blobdiff