#include "quakedef.h" // global video state viddef_t vid; // LordHavoc: these are only set in wgl 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. // GL_ARB_multitexture int gl_textureunits = 0; // GL_ARB_texture_env_combine or GL_EXT_texture_env_combine int gl_combine_extension = false; // GL_EXT_compiled_vertex_array int gl_supportslockarrays = false; // GLX_SGI_video_sync or WGL_EXT_swap_control int gl_videosyncavailable = false; // stencil available int gl_stencil = false; // 3D textures available int gl_texture3d = false; // GL_ARB_texture_cubemap int gl_texturecubemap = false; // GL_ARB_texture_env_dot3 int gl_dot3arb = false; // GL_SGIS_texture_edge_clamp int gl_support_clamptoedge = false; // GL_NV_vertex_array_range int gl_support_var = false; // GL_NV_vertex_array_range2 int gl_support_var2 = false; // GL_EXT_texture_filter_anisotropic int gl_support_anisotropy = false; // LordHavoc: if window is hidden, don't update screen int vid_hidden = true; // 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; // LordHavoc: whether to allow use of hwgamma (disabled when window is inactive) int vid_allowhwgamma = false; // we don't know until we try it! int vid_hardwaregammasupported = true; // whether hardware gamma ramps are currently in effect int vid_usinghwgamma = false; unsigned short vid_gammaramps[768]; unsigned short vid_systemgammaramps[768]; cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1"}; cvar_t vid_width = {CVAR_SAVE, "vid_width", "640"}; cvar_t vid_height = {CVAR_SAVE, "vid_height", "480"}; cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "16"}; cvar_t vid_stencil = {CVAR_SAVE, "vid_stencil", "0"}; cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"}; cvar_t gl_combine = {CVAR_SAVE, "gl_combine", "1"}; cvar_t in_pitch_min = {0, "in_pitch_min", "-70"}; cvar_t in_pitch_max = {0, "in_pitch_max", "80"}; cvar_t m_filter = {CVAR_SAVE, "m_filter","0"}; cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"}; cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"}; cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0"}; cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0"}; cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0"}; cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0"}; cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0"}; cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5"}; cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5"}; cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5"}; cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1"}; cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1"}; cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1"}; cvar_t v_overbrightbits = {CVAR_SAVE, "v_overbrightbits", "0"}; cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"}; // 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 *qglMultiTexCoord3f) (GLenum, GLfloat, 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); //GL_NV_vertex_array_range GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority); GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer); GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer); GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid); // 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 *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); 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 *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t); void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t); void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r); 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 *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params); void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param); void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures); void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures); void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture); //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities); //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences); GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture); //void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param); void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param); void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels); void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels); void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, 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 *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border); void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width); void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices); //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *); void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels); void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels); void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height); void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units); int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent) { int failed = false; const dllfunction_t *func; Con_DPrintf("checking for %s... ", name); for (func = funcs;func && func->name;func++) *func->funcvariable = NULL; if (disableparm && COM_CheckParm(disableparm)) { Con_DPrintf("disabled by commandline\n"); return false; } 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++) { // functions are cleared before all the extensions are evaluated if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name))) { if (!silent) Con_Printf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name); failed = true; } } // delay the return so it prints all missing functions if (failed) return false; Con_DPrintf("enabled\n"); return true; } else { Con_DPrintf("not detected\n"); return false; } } static dllfunction_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}, {"glColorMask", (void **) &qglColorMask}, {"glVertexPointer", (void **) &qglVertexPointer}, {"glNormalPointer", (void **) &qglNormalPointer}, {"glColorPointer", (void **) &qglColorPointer}, {"glTexCoordPointer", (void **) &qglTexCoordPointer}, {"glArrayElement", (void **) &qglArrayElement}, {"glColor4f", (void **) &qglColor4f}, {"glTexCoord2f", (void **) &qglTexCoord2f}, {"glTexCoord3f", (void **) &qglTexCoord3f}, {"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}, // {"glTexParameterfv", (void **) &qglTexParameterfv}, {"glTexParameteri", (void **) &qglTexParameteri}, // {"glPixelStoref", (void **) &qglPixelStoref}, {"glPixelStorei", (void **) &qglPixelStorei}, {"glGenTextures", (void **) &qglGenTextures}, {"glDeleteTextures", (void **) &qglDeleteTextures}, {"glBindTexture", (void **) &qglBindTexture}, // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures}, // {"glAreTexturesResident", (void **) &qglAreTexturesResident}, {"glIsTexture", (void **) &qglIsTexture}, {"glTexImage1D", (void **) &qglTexImage1D}, {"glTexImage2D", (void **) &qglTexImage2D}, {"glTexSubImage1D", (void **) &qglTexSubImage1D}, {"glTexSubImage2D", (void **) &qglTexSubImage2D}, {"glCopyTexImage1D", (void **) &qglCopyTexImage1D}, {"glCopyTexImage2D", (void **) &qglCopyTexImage2D}, {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D}, {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D}, {"glScissor", (void **) &qglScissor}, {"glPolygonOffset", (void **) &qglPolygonOffset}, {NULL, NULL} }; static dllfunction_t drawrangeelementsfuncs[] = { {"glDrawRangeElements", (void **) &qglDrawRangeElements}, {NULL, NULL} }; static dllfunction_t drawrangeelementsextfuncs[] = { {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT}, {NULL, NULL} }; static dllfunction_t multitexturefuncs[] = { {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f}, {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f}, {"glActiveTextureARB", (void **) &qglActiveTexture}, {"glClientActiveTextureARB", (void **) &qglClientActiveTexture}, {NULL, NULL} }; static dllfunction_t compiledvertexarrayfuncs[] = { {"glLockArraysEXT", (void **) &qglLockArraysEXT}, {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT}, {NULL, NULL} }; static dllfunction_t texture3dextfuncs[] = { {"glTexImage3DEXT", (void **) &qglTexImage3D}, {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D}, {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D}, {NULL, NULL} }; static dllfunction_t glxvarfuncs[] = { {"glXAllocateMemoryNV", (void **) &qglAllocateMemoryNV}, {"glXFreeMemoryNV", (void **) &qglFreeMemoryNV}, {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV}, {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV}, {NULL, NULL} }; static dllfunction_t wglvarfuncs[] = { {"wglAllocateMemoryNV", (void **) &qglAllocateMemoryNV}, {"wglFreeMemoryNV", (void **) &qglFreeMemoryNV}, {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV}, {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV}, {NULL, NULL} }; void VID_CheckExtensions(void) { gl_stencil = vid_stencil.integer; gl_combine_extension = false; gl_dot3arb = false; gl_supportslockarrays = false; gl_textureunits = 1; gl_support_clamptoedge = false; gl_support_var = false; gl_support_var2 = false; if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false)) Sys_Error("OpenGL 1.1.0 functions not found\n"); Con_DPrintf ("GL_VENDOR: %s\n", gl_vendor); Con_DPrintf ("GL_RENDERER: %s\n", gl_renderer); Con_DPrintf ("GL_VERSION: %s\n", gl_version); Con_DPrintf ("GL_EXTENSIONS: %s\n", gl_extensions); Con_DPrintf ("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions); Con_DPrintf("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)) { qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits); gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false); if (gl_combine_extension) gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false); } gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false); gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false); gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false); gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false); if (!strcmp(gl_platform, "GLX")) gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", glxvarfuncs, "-novar", false); else if (!strcmp(gl_platform, "WGL")) gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", wglvarfuncs, "-novar", false); if (gl_support_var) gl_support_var2 = GL_CheckExtension("GL_NV_vertex_array_range2", NULL, "-novar2", false); gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", 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; } int vid_vertexarrays_are_var = false; void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority) { void *m; vid_vertexarrays_are_var = false; if (fast && qglAllocateMemoryNV) { CHECKGLERROR m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority); CHECKGLERROR if (m) { vid_vertexarrays_are_var = true; return m; } } return Mem_Alloc(pool, size); } void VID_FreeVertexArrays(void *pointer) { if (vid_vertexarrays_are_var) { CHECKGLERROR qglFreeMemoryNV(pointer); CHECKGLERROR } else Mem_Free(pointer); vid_vertexarrays_are_var = false; } 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; } } static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3]; static int cacheoverbrightbits = -1, cachecolorenable, cachehwgamma; #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f); void VID_UpdateGamma(qboolean force) { cvar_t *c; float f; // LordHavoc: don't mess with gamma tables if running dedicated if (cls.state == ca_dedicated) return; if (!force && vid_usinghwgamma == (vid_allowhwgamma && v_hwgamma.integer) && v_overbrightbits.integer == cacheoverbrightbits && v_gamma.value == cachegamma && v_contrast.value == cachecontrast && v_brightness.value == cachebrightness && cachecolorenable == v_color_enable.integer && cacheblack[0] == v_color_black_r.value && cacheblack[1] == v_color_black_g.value && cacheblack[2] == v_color_black_b.value && cachegrey[0] == v_color_grey_r.value && cachegrey[1] == v_color_grey_g.value && cachegrey[2] == v_color_grey_b.value && cachewhite[0] == v_color_white_r.value && cachewhite[1] == v_color_white_g.value && cachewhite[2] == v_color_white_b.value) return; if (vid_allowhwgamma && v_hwgamma.integer) { if (!vid_usinghwgamma) { vid_usinghwgamma = true; vid_hardwaregammasupported = VID_GetGamma(vid_systemgammaramps); } BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value; BOUNDCVAR(v_contrast, 1, 5);cachecontrast = v_contrast.value; BOUNDCVAR(v_brightness, 0, 0.8);cachebrightness = v_brightness.value; BOUNDCVAR(v_color_black_r, 0, 0.8);cacheblack[0] = v_color_black_r.value; BOUNDCVAR(v_color_black_g, 0, 0.8);cacheblack[1] = v_color_black_g.value; BOUNDCVAR(v_color_black_b, 0, 0.8);cacheblack[2] = v_color_black_b.value; BOUNDCVAR(v_color_grey_r, 0, 0.95);cachegrey[0] = v_color_grey_r.value; BOUNDCVAR(v_color_grey_g, 0, 0.95);cachegrey[1] = v_color_grey_g.value; BOUNDCVAR(v_color_grey_b, 0, 0.95);cachegrey[2] = v_color_grey_b.value; BOUNDCVAR(v_color_white_r, 1, 5);cachewhite[0] = v_color_white_r.value; BOUNDCVAR(v_color_white_g, 1, 5);cachewhite[1] = v_color_white_g.value; BOUNDCVAR(v_color_white_b, 1, 5);cachewhite[2] = v_color_white_b.value; cachecolorenable = v_color_enable.integer; cacheoverbrightbits = v_overbrightbits.integer; cachehwgamma = v_hwgamma.integer; if (cachecolorenable) { BuildGammaTable16((float) (1 << cacheoverbrightbits), invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps); BuildGammaTable16((float) (1 << cacheoverbrightbits), invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256); BuildGammaTable16((float) (1 << cacheoverbrightbits), invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512); } else { BuildGammaTable16((float) (1 << cacheoverbrightbits), cachegamma, cachecontrast, cachebrightness, vid_gammaramps); BuildGammaTable16((float) (1 << cacheoverbrightbits), cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256); BuildGammaTable16((float) (1 << cacheoverbrightbits), cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512); } vid_hardwaregammasupported = VID_SetGamma(vid_gammaramps); } else { if (vid_usinghwgamma) { vid_usinghwgamma = false; vid_hardwaregammasupported = VID_SetGamma(vid_systemgammaramps); } } } void VID_RestoreSystemGamma(void) { if (vid_usinghwgamma) { vid_usinghwgamma = false; VID_SetGamma(vid_systemgammaramps); } } void VID_Shared_Init(void) { Cvar_RegisterVariable(&v_gamma); Cvar_RegisterVariable(&v_brightness); Cvar_RegisterVariable(&v_contrast); Cvar_RegisterVariable(&v_color_enable); Cvar_RegisterVariable(&v_color_black_r); Cvar_RegisterVariable(&v_color_black_g); Cvar_RegisterVariable(&v_color_black_b); Cvar_RegisterVariable(&v_color_grey_r); Cvar_RegisterVariable(&v_color_grey_g); Cvar_RegisterVariable(&v_color_grey_b); Cvar_RegisterVariable(&v_color_white_r); Cvar_RegisterVariable(&v_color_white_g); Cvar_RegisterVariable(&v_color_white_b); Cvar_RegisterVariable(&v_hwgamma); Cvar_RegisterVariable(&v_overbrightbits); Cvar_RegisterVariable(&vid_fullscreen); Cvar_RegisterVariable(&vid_width); Cvar_RegisterVariable(&vid_height); Cvar_RegisterVariable(&vid_bitsperpixel); Cvar_RegisterVariable(&vid_stencil); 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); Cmd_AddCommand("vid_restart", VID_Restart_f); if (gamemode == GAME_GOODVSBAD2) Cvar_Set("gl_combine", "0"); } int current_vid_fullscreen; int current_vid_width; int current_vid_height; int current_vid_bitsperpixel; int current_vid_stencil; extern int VID_InitMode (int fullscreen, int width, int height, int bpp, int stencil); int VID_Mode(int fullscreen, int width, int height, int bpp, int stencil) { Con_Printf("Video: %s %dx%dx%d %s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, stencil ? "with stencil" : "without stencil"); if (VID_InitMode(fullscreen, width, height, bpp, stencil)) { current_vid_fullscreen = fullscreen; current_vid_width = width; current_vid_height = height; current_vid_bitsperpixel = bpp; current_vid_stencil = stencil; Cvar_SetValueQuick(&vid_fullscreen, fullscreen); Cvar_SetValueQuick(&vid_width, width); Cvar_SetValueQuick(&vid_height, height); Cvar_SetValueQuick(&vid_bitsperpixel, bpp); Cvar_SetValueQuick(&vid_stencil, stencil); return true; } else return false; } static void VID_OpenSystems(void) { R_Modules_Start(); S_Open(); CDAudio_Open(); } static void VID_CloseSystems(void) { CDAudio_Close(); S_Close(); R_Modules_Shutdown(); } void VID_Restart_f(void) { Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp %s, to %s %dx%dx%dbpp %s.\n", current_vid_fullscreen ? "fullscreen" : "window", current_vid_width, current_vid_height, current_vid_bitsperpixel, current_vid_stencil ? "with stencil" : "without stencil", vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_stencil.integer ? "with stencil" : "without stencil"); VID_Close(); if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_stencil.integer)) { Con_Printf("Video mode change failed\n"); if (!VID_Mode(current_vid_fullscreen, current_vid_width, current_vid_height, current_vid_bitsperpixel, current_vid_stencil)) Sys_Error("Unable to restore to last working video mode\n"); } VID_OpenSystems(); } int vid_commandlinecheck = true; void VID_Open(void) { int i, width, height; if (vid_commandlinecheck) { // interpret command-line parameters vid_commandlinecheck = false; if ((i = COM_CheckParm("-window")) != 0) Cvar_SetValueQuick(&vid_fullscreen, false); if ((i = COM_CheckParm("-fullscreen")) != 0) Cvar_SetValueQuick(&vid_fullscreen, true); width = 0; height = 0; if ((i = COM_CheckParm("-width")) != 0) width = atoi(com_argv[i+1]); if ((i = COM_CheckParm("-height")) != 0) height = atoi(com_argv[i+1]); if (width == 0) width = height * 4 / 3; if (height == 0) height = width * 3 / 4; if (width) Cvar_SetValueQuick(&vid_width, width); if (height) Cvar_SetValueQuick(&vid_height, height); if ((i = COM_CheckParm("-bpp")) != 0) Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]); if ((i = COM_CheckParm("-nostencil")) != 0) Cvar_SetValueQuick(&vid_stencil, 0); if ((i = COM_CheckParm("-stencil")) != 0) Cvar_SetValueQuick(&vid_stencil, 1); } if (vid_stencil.integer && vid_bitsperpixel.integer != 32) { Con_Printf("vid_stencil not allowed without vid_bitsperpixel 32, turning off vid_stencil\n"); Cvar_SetValueQuick(&vid_stencil, 0); } Con_DPrintf("Starting video system\n"); if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_stencil.integer)) { Con_Printf("Desired video mode fail, trying fallbacks...\n"); if (!vid_stencil.integer || !VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, false)) { if (vid_fullscreen.integer) { if (!VID_Mode(true, 640, 480, 16, false)) if (!VID_Mode(false, 640, 480, 16, false)) Sys_Error("Video modes failed\n"); } else Sys_Error("Windowed video failed\n"); } } VID_OpenSystems(); } void VID_Close(void) { VID_CloseSystems(); VID_Shutdown(); }