X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=vid_shared.c;h=54d63291b7dbbe4f88e40b4f944b6ca580bed91a;hp=30bb057babadadb31dad17c71f1bad389981c635;hb=c53c8b42b4c5acb7184e2d037415232541ec98a6;hpb=fc2a2e05ee7637551aa5a1d86d1c7cd3ee8ae306 diff --git a/vid_shared.c b/vid_shared.c index 30bb057b..54d63291 100644 --- a/vid_shared.c +++ b/vid_shared.c @@ -14,42 +14,7 @@ qboolean in_client_mouse = true; // AK where should it be placed ? float in_mouse_x, in_mouse_y; - -// GL_ARB_multitexture -int gl_textureunits = 1; -// 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_swap_control 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_EXT_texture_filter_anisotropic -int gl_support_anisotropy = false; -int gl_max_anisotropy = 1; -// GL_NV_texture_shader -int gl_textureshader = false; -// GL_EXT_stencil_two_side -int gl_support_stenciltwoside = false; -// GL_ARB_shader_objects -int gl_support_shader_objects = false; -// GL_ARB_shading_language_100 -int gl_support_shading_language_100 = false; -// GL_ARB_vertex_shader -int gl_support_vertex_shader = false; -// GL_ARB_fragment_shader -int gl_support_fragment_shader = false; -// GL_NV_half_float -int gl_support_half_float = false; +float in_windowmouse_x, in_windowmouse_y; // LordHavoc: if window is hidden, don't update screen qboolean vid_hidden = true; @@ -58,38 +23,61 @@ qboolean vid_hidden = true; qboolean vid_activewindow = true; // we don't know until we try it! -cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1"}; +cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"}; + +// VorteX: more info cvars, mostly set in VID_CheckExtensions +cvar_t gl_info_vendor = {CVAR_READONLY, "gl_info_vendor", "", "indicates brand of graphics chip"}; +cvar_t gl_info_renderer = {CVAR_READONLY, "gl_info_renderer", "", "indicates graphics chip model and other information"}; +cvar_t gl_info_version = {CVAR_READONLY, "gl_info_version", "", "indicates version of current renderer. begins with 1.0.0, 1.1.0, 1.2.0, 1.3.1 etc."}; +cvar_t gl_info_extensions = {CVAR_READONLY, "gl_info_extensions", "", "indicates extension list found by engine, space separated."}; +cvar_t gl_info_platform = {CVAR_READONLY, "gl_info_platform", "", "indicates GL platform: WGL, GLX, or AGL."}; +cvar_t gl_info_driver = {CVAR_READONLY, "gl_info_driver", "", "name of driver library (opengl32.dll, libGL.so.1, or whatever)."}; + // whether hardware gamma ramps are currently in effect qboolean 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", "32"}; - -cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0"}; -cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"}; -cvar_t gl_combine = {0, "gl_combine", "1"}; -cvar_t gl_finish = {0, "gl_finish", "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_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"}; -cvar_t v_psycho = {0, "v_psycho", "0"}; +int vid_gammarampsize = 0; +unsigned short *vid_gammaramps = NULL; +unsigned short *vid_systemgammaramps = NULL; + +cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"}; +cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"}; +cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"}; +cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"}; +cvar_t vid_samples = {CVAR_SAVE, "vid_samples", "1", "how many anti-aliasing samples per pixel to request from the graphics driver (4 is recommended, 1 is faster)"}; +cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"}; +cvar_t vid_userefreshrate = {CVAR_SAVE, "vid_userefreshrate", "0", "set this to 1 to make vid_refreshrate used, or to 0 to let the engine choose a sane default"}; +cvar_t vid_stereobuffer = {CVAR_SAVE, "vid_stereobuffer", "0", "enables 'quad-buffered' stereo rendering for stereo shutterglasses, HMD (head mounted display) devices, or polarized stereo LCDs, if supported by your drivers"}; + +cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0", "sync to vertical blank, prevents 'tearing' (seeing part of one frame and part of another on the screen at the same time), automatically disabled when doing timedemo benchmarks"}; +cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"}; +cvar_t vid_grabkeyboard = {CVAR_SAVE, "vid_grabkeyboard", "0", "whether to grab the keyboard when mouse is active (prevents use of volume control keys, music player keys, etc on some keyboards)"}; +cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"}; +cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"}; +cvar_t vid_gl13 = {0, "vid_gl13", "1", "enables faster rendering using OpenGL 1.3 features (such as GL_ARB_texture_env_combine extension)"}; +cvar_t vid_gl20 = {0, "vid_gl20", "1", "enables faster rendering using OpenGL 2.0 features (such as GL_ARB_fragment_shader extension)"}; +cvar_t gl_finish = {0, "gl_finish", "0", "make the cpu wait for the graphics processor at the end of each rendered frame (can help with strange input or video lag problems on some machines)"}; + +cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" }; +cvar_t vid_resizable = {CVAR_SAVE, "vid_resizable", "0", "0: window not resizable, 1: resizable, 2: window can be resized but the framebuffer isn't adjusted" }; + +cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1", "inverse gamma correction value, a brightness effect that does not affect white or black, and tends to make the image grey and dull"}; +cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1", "brightness of white (values above 1 give a brighter image with increased color saturation, unlike v_gamma)"}; +cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"}; +cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"}; +cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"}; +cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"}; +cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"}; +cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"}; +cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"}; +cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"}; +cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"}; +cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"}; +cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"}; +cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"}; +cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1", "enables use of hardware gamma correction ramps if available (note: does not work very well on Windows2000 and above), values are 0 = off, 1 = attempt to use hardware gamma, 2 = use hardware gamma whether it works or not"}; +cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"}; +cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"}; // brand of graphics chip const char *gl_vendor; @@ -119,12 +107,6 @@ void (GLAPIENTRY *qglClientActiveTexture) (GLenum); 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); @@ -209,6 +191,7 @@ 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 *qglHint)(GLenum target, GLenum mode); void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures); void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures); @@ -219,13 +202,13 @@ 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 *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 *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 *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 *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); @@ -240,7 +223,20 @@ void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffse void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height); void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units); +void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode); +void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask); +void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation); +void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation); + +//[515]: added on 29.07.2005 +void (GLAPIENTRY *qglLineWidth)(GLfloat width); +void (GLAPIENTRY *qglPointSize)(GLfloat size); + +void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); + +void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum); +void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint); void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum); void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj); @@ -330,45 +326,131 @@ GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLchar //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params); //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer); -int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent) +//GL_ARB_vertex_buffer_object +void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer); +void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers); +void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers); +GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer); +GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access); +GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target); +void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage); +void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data); + +//GL_EXT_framebuffer_object +GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer); +void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer); +void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers); +void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers); +void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); +void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params); +GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer); +void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer); +void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers); +void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers); +GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target); +//void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params); +void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target); + +void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data); +void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data); +//void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data); +void (GLAPIENTRY *qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data); +void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data); +//void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data); +void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img); + +void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids); +void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids); +GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid); +void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid); +void (GLAPIENTRY *qglEndQueryARB)(GLenum target); +void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params); +void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params); +void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params); + +#if _MSC_VER >= 1400 +#define sscanf sscanf_s +#endif + +int GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent) { int failed = false; const dllfunction_t *func; + struct { int major, minor; } min_version, curr_version; + char extstr[MAX_INPUTLINE]; + int ext; + + if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2) + ext = 0; // opengl version + else if(minglver_or_ext[0] != toupper(minglver_or_ext[0])) + ext = -1; // pseudo name + else + ext = 1; // extension name - Con_Printf("checking for %s... ", name); + if (ext) + Con_DPrintf("checking for %s... ", minglver_or_ext); + else + Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext); for (func = funcs;func && func->name;func++) *func->funcvariable = NULL; if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe"))) { - Con_Print("disabled by commandline\n"); + Con_DPrint("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))) + if (ext == 1) // opengl extension { - for (func = funcs;func && func->name != NULL;func++) + if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext)) { - // 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; - } + Con_DPrint("not detected\n"); + return false; } - // delay the return so it prints all missing functions - if (failed) + } + + if(ext == 0) // opengl version + { + sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor); + + if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor)) + { + Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor); return false; - Con_Print("enabled\n"); - return true; + } } - else + + for (func = funcs;func && func->name != NULL;func++) { - Con_Print("not detected\n"); - return false; + // Con_DPrintf("\n %s... ", func->name); + + // functions are cleared before all the extensions are evaluated + if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name))) + { + if (!silent) + { + if (ext) + Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name); + else + Con_DPrintf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name); + } + failed = true; + } } + // delay the return so it prints all missing functions + if (failed) + return false; + // VorteX: add to found extension list + dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext); + Cvar_SetQuick(&gl_info_extensions, extstr); + + Con_DPrint("enabled\n"); + return true; } static dllfunction_t opengl110funcs[] = @@ -413,6 +495,10 @@ static dllfunction_t opengl110funcs[] = {"glVertex3f", (void **) &qglVertex3f}, {"glBegin", (void **) &qglBegin}, {"glEnd", (void **) &qglEnd}, +//[515]: added on 29.07.2005 + {"glLineWidth", (void**) &qglLineWidth}, + {"glPointSize", (void**) &qglPointSize}, +// {"glMatrixMode", (void **) &qglMatrixMode}, {"glOrtho", (void **) &qglOrtho}, {"glFrustum", (void **) &qglFrustum}, @@ -441,6 +527,7 @@ static dllfunction_t opengl110funcs[] = {"glTexParameterf", (void **) &qglTexParameterf}, {"glTexParameterfv", (void **) &qglTexParameterfv}, {"glTexParameteri", (void **) &qglTexParameteri}, + {"glHint", (void **) &qglHint}, {"glPixelStoref", (void **) &qglPixelStoref}, {"glPixelStorei", (void **) &qglPixelStorei}, {"glGenTextures", (void **) &qglGenTextures}, @@ -449,16 +536,20 @@ static dllfunction_t opengl110funcs[] = // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures}, // {"glAreTexturesResident", (void **) &qglAreTexturesResident}, {"glIsTexture", (void **) &qglIsTexture}, - {"glTexImage1D", (void **) &qglTexImage1D}, +// {"glTexImage1D", (void **) &qglTexImage1D}, {"glTexImage2D", (void **) &qglTexImage2D}, - {"glTexSubImage1D", (void **) &qglTexSubImage1D}, +// {"glTexSubImage1D", (void **) &qglTexSubImage1D}, {"glTexSubImage2D", (void **) &qglTexSubImage2D}, - {"glCopyTexImage1D", (void **) &qglCopyTexImage1D}, +// {"glCopyTexImage1D", (void **) &qglCopyTexImage1D}, {"glCopyTexImage2D", (void **) &qglCopyTexImage2D}, - {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D}, +// {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D}, {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D}, {"glScissor", (void **) &qglScissor}, {"glPolygonOffset", (void **) &qglPolygonOffset}, + {"glPolygonMode", (void **) &qglPolygonMode}, + {"glPolygonStipple", (void **) &qglPolygonStipple}, + {"glClipPlane", (void **) &qglClipPlane}, + {"glGetClipPlane", (void **) &qglGetClipPlane}, {NULL, NULL} }; @@ -500,12 +591,32 @@ static dllfunction_t texture3dextfuncs[] = {NULL, NULL} }; +static dllfunction_t atiseparatestencilfuncs[] = +{ + {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate}, + {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate}, + {NULL, NULL} +}; + +static dllfunction_t gl2separatestencilfuncs[] = +{ + {"glStencilOpSeparate", (void **) &qglStencilOpSeparate}, + {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate}, + {NULL, NULL} +}; + static dllfunction_t stenciltwosidefuncs[] = { {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT}, {NULL, NULL} }; +static dllfunction_t blendequationfuncs[] = +{ + {"glBlendEquationEXT", (void **) &qglBlendEquationEXT}, + {NULL, NULL} +}; + static dllfunction_t shaderobjectsfuncs[] = { {"glDeleteObjectARB", (void **) &qglDeleteObjectARB}, @@ -601,121 +712,212 @@ static dllfunction_t vertexshaderfuncs[] = {NULL, NULL} }; +static dllfunction_t vbofuncs[] = +{ + {"glBindBufferARB" , (void **) &qglBindBufferARB}, + {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB}, + {"glGenBuffersARB" , (void **) &qglGenBuffersARB}, + {"glIsBufferARB" , (void **) &qglIsBufferARB}, + {"glMapBufferARB" , (void **) &qglMapBufferARB}, + {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB}, + {"glBufferDataARB" , (void **) &qglBufferDataARB}, + {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB}, + {NULL, NULL} +}; -void VID_CheckExtensions(void) +static dllfunction_t fbofuncs[] = { - gl_stencil = vid_bitsperpixel.integer == 32; - - // reset all the gl extension variables here - // this should match the declarations - gl_textureunits = 1; - gl_combine_extension = false; - gl_supportslockarrays = false; - gl_texture3d = false; - gl_texturecubemap = false; - gl_dot3arb = false; - gl_support_clamptoedge = false; - gl_support_anisotropy = false; - gl_max_anisotropy = 1; - gl_textureshader = false; - gl_support_stenciltwoside = false; - gl_support_shader_objects = false; - gl_support_shading_language_100 = false; - gl_support_vertex_shader = false; - gl_support_fragment_shader = false; - - 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_Print("Checking OpenGL extensions...\n"); + {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT}, + {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT}, + {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT}, + {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT}, + {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT}, + {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT}, + {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT}, + {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT}, + {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT}, + {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT}, + {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT}, +// {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT}, + {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT}, + {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT}, + {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT}, + {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT}, + {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT}, + {NULL, NULL} +}; -// COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster) - if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true)) - GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false); +static dllfunction_t texturecompressionfuncs[] = +{ + {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB}, + {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB}, +// {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB}, + {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB}, + {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB}, +// {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB}, + {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB}, + {NULL, NULL} +}; -// COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering) - if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false)) - { - qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits); -// COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering) - gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false); -// COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping) - if (gl_combine_extension) - gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false); - } +static dllfunction_t occlusionqueryfuncs[] = +{ + {"glGenQueriesARB", (void **) &qglGenQueriesARB}, + {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB}, + {"glIsQueryARB", (void **) &qglIsQueryARB}, + {"glBeginQueryARB", (void **) &qglBeginQueryARB}, + {"glEndQueryARB", (void **) &qglEndQueryARB}, + {"glGetQueryivARB", (void **) &qglGetQueryivARB}, + {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB}, + {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB}, + {NULL, NULL} +}; -// COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column) - gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false); +void VID_CheckExtensions(void) +{ + // clear the extension flags + memset(&vid.support, 0, sizeof(vid.support)); + + // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension + Cvar_SetQuick(&gl_info_extensions, ""); + if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false)) + Sys_Error("OpenGL 1.1.0 functions not found"); + + CHECKGLERROR + + Con_DPrint("Checking OpenGL extensions...\n"); + + vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false); + vid.support.arb_depth_texture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false); + vid.support.arb_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false); + vid.support.arb_multitexture = GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false); + vid.support.arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false); + vid.support.arb_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false); + vid.support.arb_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false); + vid.support.arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false); + vid.support.arb_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false); + vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false); + vid.support.arb_texture_env_combine = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false); + vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false); + vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false); + vid.support.arb_texture_rectangle = GL_CheckExtension("GL_ARB_texture_rectangle", NULL, "-norectangle", false); + vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false); + vid.support.arb_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false); + vid.support.ati_separate_stencil = GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false); + vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false); + vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false); + vid.support.ext_compiled_vertex_array = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false); + vid.support.ext_draw_range_elements = GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false); + vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false); + vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false); + vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false); + vid.support.ext_texture_edge_clamp = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false); + vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false); +// COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing) +// COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax +// COMMANDLINEOPTION: GL: -noblendsubtract disables GL_EXT_blend_subtract +// COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering) // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping) - gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false); // COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster) - gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false); +// COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping) +// COMMANDLINEOPTION: GL: -nodot3 disables use of GL_ARB_texture_env_dot3 +// COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster) // COMMANDLINEOPTION: GL: -noedgeclamp disables GL_EXT_texture_edge_clamp or GL_SGIS_texture_edge_clamp (recommended, some cards do not support the other texture clamp method) - gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false); - -// COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing) - if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false))) - qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy); - -// COMMANDLINEOPTION: GL: -notextureshader disables GL_NV_texture_shader (required for the Geforce3 water shader, NVIDIA only) - gl_textureshader = GL_CheckExtension("GL_NV_texture_shader", NULL, "-notextureshader", false); +// COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering), only used if GL_ARB_fragment_shader is also available +// COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities) +// COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering) +// COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations) +// COMMANDLINEOPTION: GL: -norectangle disables GL_ARB_texture_rectangle (required for bumpmapping) +// COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering) +// COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader) +// COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader) +// COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering) +// COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering) +// COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column) +// COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling) +// COMMANDLINEOPTION: GL: -notexturecompression disables GL_ARB_texture_compression (which saves video memory if it is supported, but can also degrade image quality, see gl_texturecompression cvar documentation for more information) +// COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling) +// COMMANDLINEOPTION: GL: -notexturenonpoweroftwo disables GL_ARB_texture_non_power_of_two (which saves video memory if it is supported, but crashes on some buggy drivers) +// COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering) +// COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects) -// COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (accelerates shadow rendering) - gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false); + vid.maxtexturesize_2d = 0; + vid.maxtexturesize_3d = 0; + vid.maxtexturesize_cubemap = 0; + vid.texunits = 1; + vid.teximageunits = 1; + vid.texarrayunits = 1; + vid.max_anisotropy = 1; + + // disable non-power-of-two textures on Radeon X1600 and other cards that do not accelerate it with some filtering modes / repeat modes that we use + // we detect these cards by checking if the hardware supports vertex texture fetch (Geforce6 does, Radeon X1600 does not, all GL3-class hardware does) + if(vid.support.arb_texture_non_power_of_two) + { + int val = 0; + if (vid.support.arb_vertex_shader) + qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, &val);CHECKGLERROR + if (val < 1) + vid.support.arb_texture_non_power_of_two = 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; -// COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader) -// COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader) -// COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects) -// COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities) - if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false))) - if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false))) - if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false))) - gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false); - -// COMMANDLINEOPTION: GL: -nohalffloat disables GL_NV_half_float extension - gl_support_half_float = GL_CheckExtension("GL_NV_half_float", NULL, "-nohalffloat", false); -} - -qboolean 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) + qglGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_2d); + if (vid.support.ext_texture_filter_anisotropic) + qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint*)&vid.max_anisotropy); + if (vid.support.arb_texture_cube_map) + qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, (GLint*)&vid.maxtexturesize_cubemap); + if (vid.support.arb_texture_rectangle) + qglGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, (GLint*)&vid.maxtexturesize_rectangle); + if (vid.support.ext_texture_3d) + qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d); + + // verify that 3d textures are really supported + if (vid.support.ext_texture_3d && vid.maxtexturesize_3d < 32) { - CHECKGLERROR - m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority); - CHECKGLERROR - if (m) - { - vid_vertexarrays_are_var = true; - return m; - } + vid.support.ext_texture_3d = false; + Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n"); } - return Mem_Alloc(pool, size); -} -void VID_FreeVertexArrays(void *pointer) -{ - if (vid_vertexarrays_are_var) + vid.texunits = vid.teximageunits = vid.texarrayunits = 1; + if (vid.support.arb_multitexture) + qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits); + if (vid_gl20.integer && vid.support.arb_fragment_shader && vid.support.arb_vertex_shader && vid.support.arb_shader_objects) + { + qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits); + qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS_ARB, (int *)&vid.teximageunits);CHECKGLERROR + qglGetIntegerv(GL_MAX_TEXTURE_COORDS_ARB, (int *)&vid.texarrayunits);CHECKGLERROR + vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS); + vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS); + vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS); + Con_DPrintf("Using GL2.0 rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : ""); + vid.renderpath = RENDERPATH_GL20; + } + else if (vid.support.arb_texture_env_combine && vid.texunits >= 2 && vid_gl13.integer) { - CHECKGLERROR - qglFreeMemoryNV(pointer); - CHECKGLERROR + qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits); + vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS); + vid.teximageunits = vid.texunits; + vid.texarrayunits = vid.texunits; + Con_DPrintf("Using GL1.3 rendering path - %i texture units, single pass rendering\n", vid.texunits); + vid.renderpath = RENDERPATH_GL13; } else - Mem_Free(pointer); - vid_vertexarrays_are_var = false; + { + vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS); + vid.teximageunits = vid.texunits; + vid.texarrayunits = vid.texunits; + Con_DPrintf("Using GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits); + vid.renderpath = RENDERPATH_GL11; + } + + // VorteX: set other info (maybe place them in VID_InitMode?) + Cvar_SetQuick(&gl_info_vendor, gl_vendor); + Cvar_SetQuick(&gl_info_renderer, gl_renderer); + Cvar_SetQuick(&gl_info_version, gl_version); + Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : ""); + Cvar_SetQuick(&gl_info_driver, gl_driver); } void Force_CenterView_f (void) @@ -723,126 +925,199 @@ void Force_CenterView_f (void) cl.viewangles[PITCH] = 0; } -static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3]; +static int gamma_forcenextframe = false; +static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost; static int 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) + +unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed +qboolean vid_gammatables_trivial = true; +void VID_BuildGammaTables(unsigned short *ramps, int rampsize) +{ + if (cachecolorenable) + { + BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize); + BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize); + BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize); + } + else + { + BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize); + BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize); + BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize); + } + + // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have + // immensely butchered it to work with variable framerates and fit in with + // the rest of darkplaces. + if (v_psycho.integer) + { + int x, y; + float t; + static float n[3], nd[3], nt[3]; + static int init = true; + unsigned short *ramp; + gamma_forcenextframe = true; + if (init) + { + init = false; + for (x = 0;x < 3;x++) + { + n[x] = lhrandom(0, 1); + nd[x] = (rand()&1)?-0.25:0.25; + nt[x] = lhrandom(1, 8.2); + } + } + + for (x = 0;x < 3;x++) + { + nt[x] -= cl.realframetime; + if (nt[x] < 0) + { + nd[x] = -nd[x]; + nt[x] += lhrandom(1, 8.2); + } + n[x] += nd[x] * cl.realframetime; + n[x] -= floor(n[x]); + } + + for (x = 0, ramp = ramps;x < 3;x++) + for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize)) + *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f); + } +} + +void VID_UpdateGamma(qboolean force, int rampsize) { cvar_t *c; float f; - static int forcenextframe = false; + int wantgamma; + qboolean gamma_changed = false; // LordHavoc: don't mess with gamma tables if running dedicated if (cls.state == ca_dedicated) return; - if (!force - && !forcenextframe - && !v_psycho.integer - && vid_usinghwgamma == (vid_activewindow && v_hwgamma.integer) - && 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; - - forcenextframe = false; - - if (vid_activewindow && v_hwgamma.integer) + wantgamma = v_hwgamma.integer; + switch(vid.renderpath) { - if (!vid_usinghwgamma) - { - vid_usinghwgamma = true; - Cvar_SetValueQuick(&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; - cachehwgamma = v_hwgamma.integer; - - if (cachecolorenable) + case RENDERPATH_GL20: + if (v_glslgamma.integer) + wantgamma = 0; + break; + case RENDERPATH_GL13: + case RENDERPATH_GL11: + break; + } + if(!vid_activewindow) + wantgamma = 0; +#define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f); + BOUNDCVAR(v_gamma, 0.1, 5); + BOUNDCVAR(v_contrast, 1, 5); + BOUNDCVAR(v_brightness, 0, 0.8); + //BOUNDCVAR(v_contrastboost, 0.0625, 16); + BOUNDCVAR(v_color_black_r, 0, 0.8); + BOUNDCVAR(v_color_black_g, 0, 0.8); + BOUNDCVAR(v_color_black_b, 0, 0.8); + BOUNDCVAR(v_color_grey_r, 0, 0.95); + BOUNDCVAR(v_color_grey_g, 0, 0.95); + BOUNDCVAR(v_color_grey_b, 0, 0.95); + BOUNDCVAR(v_color_white_r, 1, 5); + BOUNDCVAR(v_color_white_g, 1, 5); + BOUNDCVAR(v_color_white_b, 1, 5); +#undef BOUNDCVAR + + // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table + vid_gammatables_trivial = false; + if(v_psycho.integer == 0) + if(v_contrastboost.value == 1) + { + if(v_color_enable.integer) { - BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps); - BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256); - BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512); + if(v_color_black_r.value == 0) + if(v_color_black_g.value == 0) + if(v_color_black_b.value == 0) + if(fabs(v_color_grey_r.value - 0.5) < 1e-6) + if(fabs(v_color_grey_g.value - 0.5) < 1e-6) + if(fabs(v_color_grey_b.value - 0.5) < 1e-6) + if(v_color_white_r.value == 1) + if(v_color_white_g.value == 1) + if(v_color_white_b.value == 1) + vid_gammatables_trivial = true; } else { - BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps); - BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256); - BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512); + if(v_gamma.value == 1) + if(v_contrast.value == 1) + if(v_brightness.value == 0) + vid_gammatables_trivial = true; } + } - // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have - // immensely butchered it to work with variable framerates and fit in with - // the rest of darkplaces. - if (v_psycho.integer) - { - int x, y; - float t; - static float n[3], nd[3], nt[3]; - static int init = true; - unsigned short *ramp; - forcenextframe = true; - if (init) - { - init = false; - for (x = 0;x < 3;x++) - { - n[x] = lhrandom(0, 1); - nd[x] = (rand()&1)?-0.25:0.25; - nt[x] = lhrandom(1, 8.2); - } - } +#define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value) + if(v_psycho.integer) + gamma_changed = true; + GAMMACHECK(cachegamma , v_gamma.value); + GAMMACHECK(cachecontrast , v_contrast.value); + GAMMACHECK(cachebrightness , v_brightness.value); + GAMMACHECK(cachecontrastboost, v_contrastboost.value); + GAMMACHECK(cachecolorenable, v_color_enable.integer); + GAMMACHECK(cacheblack[0] , v_color_black_r.value); + GAMMACHECK(cacheblack[1] , v_color_black_g.value); + GAMMACHECK(cacheblack[2] , v_color_black_b.value); + GAMMACHECK(cachegrey[0] , v_color_grey_r.value); + GAMMACHECK(cachegrey[1] , v_color_grey_g.value); + GAMMACHECK(cachegrey[2] , v_color_grey_b.value); + GAMMACHECK(cachewhite[0] , v_color_white_r.value); + GAMMACHECK(cachewhite[1] , v_color_white_g.value); + GAMMACHECK(cachewhite[2] , v_color_white_b.value); + + if(gamma_changed) + ++vid_gammatables_serial; + + GAMMACHECK(cachehwgamma , wantgamma); +#undef GAMMACHECK + + if (!force && !gamma_forcenextframe && !gamma_changed) + return; - for (x = 0;x < 3;x++) + gamma_forcenextframe = false; + + if (cachehwgamma) + { + if (!vid_usinghwgamma) + { + vid_usinghwgamma = true; + if (vid_gammarampsize != rampsize || !vid_gammaramps) { - nt[x] -= host_realframetime; - if (nt[x] < 0) - { - nd[x] = -nd[x]; - nt[x] += lhrandom(1, 8.2); - } - n[x] += nd[x] * host_realframetime; - n[x] -= floor(n[x]); + vid_gammarampsize = rampsize; + if (vid_gammaramps) + Z_Free(vid_gammaramps); + vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short)); + vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize; } - - for (x = 0, ramp = vid_gammaramps;x < 3;x++) - for (y = 0, t = n[x] - 0.75f;y < 256;y++, t += 0.75f * (2.0f / 256.0f)) - *ramp++ = cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f; + VID_GetGamma(vid_systemgammaramps, vid_gammarampsize); } - Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps)); + VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize); + + // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value) + Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2); // if custom gamma ramps failed (Windows stupidity), restore to system gamma if(!vid_hardwaregammasupported.integer) - VID_SetGamma(vid_systemgammaramps); + { + if (vid_usinghwgamma) + { + vid_usinghwgamma = false; + VID_SetGamma(vid_systemgammaramps, vid_gammarampsize); + } + } } else { if (vid_usinghwgamma) { vid_usinghwgamma = false; - Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps)); + VID_SetGamma(vid_systemgammaramps, vid_gammarampsize); } } } @@ -852,15 +1127,24 @@ void VID_RestoreSystemGamma(void) if (vid_usinghwgamma) { vid_usinghwgamma = false; - VID_SetGamma(vid_systemgammaramps); + Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize)); + // force gamma situation to be reexamined next frame + gamma_forcenextframe = true; } } void VID_Shared_Init(void) { Cvar_RegisterVariable(&vid_hardwaregammasupported); + Cvar_RegisterVariable(&gl_info_vendor); + Cvar_RegisterVariable(&gl_info_renderer); + Cvar_RegisterVariable(&gl_info_version); + Cvar_RegisterVariable(&gl_info_extensions); + Cvar_RegisterVariable(&gl_info_platform); + Cvar_RegisterVariable(&gl_info_driver); Cvar_RegisterVariable(&v_gamma); Cvar_RegisterVariable(&v_brightness); + Cvar_RegisterVariable(&v_contrastboost); Cvar_RegisterVariable(&v_contrast); Cvar_RegisterVariable(&v_color_enable); @@ -875,6 +1159,7 @@ void VID_Shared_Init(void) Cvar_RegisterVariable(&v_color_white_b); Cvar_RegisterVariable(&v_hwgamma); + Cvar_RegisterVariable(&v_glslgamma); Cvar_RegisterVariable(&v_psycho); @@ -882,29 +1167,61 @@ void VID_Shared_Init(void) Cvar_RegisterVariable(&vid_width); Cvar_RegisterVariable(&vid_height); Cvar_RegisterVariable(&vid_bitsperpixel); + Cvar_RegisterVariable(&vid_samples); + Cvar_RegisterVariable(&vid_refreshrate); + Cvar_RegisterVariable(&vid_userefreshrate); + Cvar_RegisterVariable(&vid_stereobuffer); Cvar_RegisterVariable(&vid_vsync); Cvar_RegisterVariable(&vid_mouse); - Cvar_RegisterVariable(&gl_combine); + Cvar_RegisterVariable(&vid_grabkeyboard); + Cvar_RegisterVariable(&vid_stick_mouse); + Cvar_RegisterVariable(&vid_resizable); + Cvar_RegisterVariable(&vid_minwidth); + Cvar_RegisterVariable(&vid_minheight); + Cvar_RegisterVariable(&vid_gl13); + Cvar_RegisterVariable(&vid_gl20); Cvar_RegisterVariable(&gl_finish); - Cmd_AddCommand("force_centerview", Force_CenterView_f); - Cmd_AddCommand("vid_restart", VID_Restart_f); - if (gamemode == GAME_GOODVSBAD2) - Cvar_Set("gl_combine", "0"); + Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)"); + Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)"); } -int VID_Mode(int fullscreen, int width, int height, int bpp) +int VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples) { - Con_Printf("Video: %s %dx%dx%d\n", fullscreen ? "fullscreen" : "window", width, height, bpp); - if (VID_InitMode(fullscreen, width, height, bpp)) + viddef_mode_t mode; + memset(&mode, 0, sizeof(mode)); + mode.fullscreen = fullscreen; + mode.width = width; + mode.height = height; + mode.bitsperpixel = bpp; + mode.refreshrate = vid_userefreshrate.integer ? max(1, refreshrate) : 0; + mode.userefreshrate = vid_userefreshrate.integer; + mode.stereobuffer = stereobuffer; + mode.samples = samples; + cl_ignoremousemoves = 2; + if (VID_InitMode(&mode)) { - vid.fullscreen = fullscreen; - vid.width = width; - vid.height = height; - vid.bitsperpixel = bpp; - Cvar_SetValueQuick(&vid_fullscreen, fullscreen); - Cvar_SetValueQuick(&vid_width, width); - Cvar_SetValueQuick(&vid_height, height); - Cvar_SetValueQuick(&vid_bitsperpixel, bpp); + // accept the (possibly modified) mode + vid.mode = mode; + vid.fullscreen = vid.mode.fullscreen; + vid.width = vid.mode.width; + vid.height = vid.mode.height; + vid.bitsperpixel = vid.mode.bitsperpixel; + vid.refreshrate = vid.mode.refreshrate; + vid.userefreshrate = vid.mode.userefreshrate; + vid.stereobuffer = vid.mode.stereobuffer; + vid.samples = vid.mode.samples; + vid.stencil = vid.mode.bitsperpixel > 16; + Con_Printf("Video Mode: %s %dx%dx%dx%.2fhz%s%s\n", mode.fullscreen ? "fullscreen" : "window", mode.width, mode.height, mode.bitsperpixel, mode.refreshrate, mode.stereobuffer ? " stereo" : "", mode.samples > 1 ? va(" (%ix AA)", mode.samples) : ""); + + Cvar_SetValueQuick(&vid_fullscreen, vid.mode.fullscreen); + Cvar_SetValueQuick(&vid_width, vid.mode.width); + Cvar_SetValueQuick(&vid_height, vid.mode.height); + Cvar_SetValueQuick(&vid_bitsperpixel, vid.mode.bitsperpixel); + Cvar_SetValueQuick(&vid_samples, vid.mode.samples); + if(vid_userefreshrate.integer) + Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate); + Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer); + return true; } else @@ -931,20 +1248,31 @@ void VID_Restart_f(void) if (vid_commandlinecheck) return; - Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n", - vid.fullscreen ? "fullscreen" : "window", vid.width, vid.height, vid.bitsperpixel, - vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer); + Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n", + vid.mode.fullscreen ? "fullscreen" : "window", vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.fullscreen && vid.mode.userefreshrate ? va("x%.2fhz", vid.mode.refreshrate) : "", vid.mode.samples > 1 ? va(" (%ix AA)", vid.mode.samples) : "", + vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va("x%.2fhz", vid_refreshrate.value) : "", vid_samples.integer > 1 ? va(" (%ix AA)", vid_samples.integer) : ""); VID_CloseSystems(); VID_Shutdown(); - if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer)) + if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer)) { Con_Print("Video mode change failed\n"); - if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel)) - Sys_Error("Unable to restore to last working video mode\n"); + if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples)) + Sys_Error("Unable to restore to last working video mode"); } VID_OpenSystems(); } +const char *vidfallbacks[][2] = +{ + {"vid_stereobuffer", "0"}, + {"vid_samples", "1"}, + {"vid_userefreshrate", "0"}, + {"vid_width", "640"}, + {"vid_height", "480"}, + {"vid_bitsperpixel", "16"}, + {NULL, NULL} +}; + // this is only called once by Host_StartVideo void VID_Start(void) { @@ -980,20 +1308,80 @@ void VID_Start(void) Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]); } - Con_Print("Starting video system\n"); - success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer); + success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer); if (!success) { Con_Print("Desired video mode fail, trying fallbacks...\n"); - if (!success && vid_bitsperpixel.integer > 16) - success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, 16); - if (!success && (vid_width.integer > 640 || vid_height.integer > 480)) - success = VID_Mode(vid_fullscreen.integer, 640, 480, 16); - if (!success && vid_fullscreen.integer) - success = VID_Mode(false, 640, 480, 16); + for (i = 0;!success && vidfallbacks[i][0] != NULL;i++) + { + Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]); + success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer); + } if (!success) - Sys_Error("Video modes failed\n"); + Sys_Error("Video modes failed"); } VID_OpenSystems(); } +int VID_SortModes_Compare(const void *a_, const void *b_) +{ + vid_mode_t *a = (vid_mode_t *) a_; + vid_mode_t *b = (vid_mode_t *) b_; + if(a->width > b->width) + return +1; + if(a->width < b->width) + return -1; + if(a->height > b->height) + return +1; + if(a->height < b->height) + return -1; + if(a->refreshrate > b->refreshrate) + return +1; + if(a->refreshrate < b->refreshrate) + return -1; + if(a->bpp > b->bpp) + return +1; + if(a->bpp < b->bpp) + return -1; + if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num) + return +1; + if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num) + return -1; + return 0; +} +size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect) +{ + size_t i; + if(count == 0) + return 0; + // 1. sort them + qsort(modes, count, sizeof(*modes), VID_SortModes_Compare); + // 2. remove duplicates + for(i = 0; i < count; ++i) + { + if(modes[i].width && modes[i].height) + { + if(i == 0) + continue; + if(modes[i].width != modes[i-1].width) + continue; + if(modes[i].height != modes[i-1].height) + continue; + if(userefreshrate) + if(modes[i].refreshrate != modes[i-1].refreshrate) + continue; + if(usebpp) + if(modes[i].bpp != modes[i-1].bpp) + continue; + if(useaspect) + if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num) + continue; + } + // a dupe, or a bogus mode! + if(i < count-1) + memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i)); + --i; // check this index again, as mode i+1 is now here + --count; + } + return count; +}