X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=vid_shared.c;h=68428f3e6161e8ca796477ee5f9468bce305fd96;hb=c82325b2009e3727409760ebf470fe3d4357a161;hp=7cea963981ec615187b00c49f9de4964c5c099d6;hpb=e411cc7d14dad08cbbe27f5b3af86700f7eb5184;p=xonotic%2Fdarkplaces.git diff --git a/vid_shared.c b/vid_shared.c index 7cea9639..68428f3e 100644 --- a/vid_shared.c +++ b/vid_shared.c @@ -1,28 +1,1389 @@ #include "quakedef.h" +#include "cdaudio.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. -// LordHavoc: compiled vertex array support -qboolean gl_supportslockarrays = false; -// LordHavoc: ARB multitexture support -qboolean gl_mtexable = false; -int gl_mtex_enum = 0; +// AK FIXME -> input_dest +qboolean in_client_mouse = true; + +// AK where should it be placed ? +float in_mouse_x, in_mouse_y; +float in_windowmouse_x, in_windowmouse_y; + +// value of GL_MAX_TEXTURE__SIZE +int gl_max_texture_size = 0; +int gl_max_3d_texture_size = 0; +int gl_max_cube_map_texture_size = 0; +int gl_max_rectangle_texture_size = 0; +// 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_rectangle +int gl_texturerectangle = false; +// GL_ARB_texture_non_power_of_two +int gl_support_arb_texture_non_power_of_two = false; +// GL_ARB_texture_env_dot3 +int gl_dot3arb = false; +// GL_ARB_depth_texture +int gl_depthtexture = 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; +// OpenGL2.0 core glStencilOpSeparate, or GL_ATI_separate_stencil +int gl_support_separatestencil = false; +// GL_EXT_stencil_two_side +int gl_support_stenciltwoside = false; +// GL_EXT_blend_minmax +int gl_support_ext_blend_minmax = false; +// GL_EXT_blend_subtract +int gl_support_ext_blend_subtract = 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_ARB_vertex_buffer_object +int gl_support_arb_vertex_buffer_object = false; +//GL_EXT_framebuffer_object +int gl_support_ext_framebuffer_object = false; +//GL_ARB_texture_compression +int gl_support_texture_compression = false; +//GL_ARB_occlusion_query +int gl_support_arb_occlusion_query = false; + +// LordHavoc: if window is hidden, don't update screen +qboolean 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... +qboolean vid_activewindow = true; + +// we don't know until we try it! +cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"}; +// whether hardware gamma ramps are currently in effect +qboolean vid_usinghwgamma = false; + +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 gl_combine = {0, "gl_combine", "1", "faster rendering by using GL_ARB_texture_env_combine extension (part of OpenGL 1.3 and above)"}; +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; +// 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]; -cvar_t vid_mode = {"vid_mode", "0", false}; -cvar_t vid_mouse = {"vid_mouse", "1", true}; -cvar_t vid_fullscreen = {"vid_fullscreen", "1"}; +// GL_ARB_multitexture +void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat); +void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat); +void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat); +void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat); +void (GLAPIENTRY *qglActiveTexture) (GLenum); +void (GLAPIENTRY *qglClientActiveTexture) (GLenum); -void (GLAPIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat); -void (GLAPIENTRY *qglSelectTexture) (GLenum); +// GL_EXT_compiled_vertex_array void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count); void (GLAPIENTRY *qglUnlockArraysEXT) (void); -void VID_InitCvars(void) +// general GL functions + +void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); + +void (GLAPIENTRY *qglClear)(GLbitfield mask); + +void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref); +void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor); +void (GLAPIENTRY *qglCullFace)(GLenum mode); + +void (GLAPIENTRY *qglDrawBuffer)(GLenum mode); +void (GLAPIENTRY *qglReadBuffer)(GLenum mode); +void (GLAPIENTRY *qglEnable)(GLenum cap); +void (GLAPIENTRY *qglDisable)(GLenum cap); +GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap); + +void (GLAPIENTRY *qglEnableClientState)(GLenum cap); +void (GLAPIENTRY *qglDisableClientState)(GLenum cap); + +void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params); +void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params); +void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params); +void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params); + +GLenum (GLAPIENTRY *qglGetError)(void); +const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name); +void (GLAPIENTRY *qglFinish)(void); +void (GLAPIENTRY *qglFlush)(void); + +void (GLAPIENTRY *qglClearDepth)(GLclampd depth); +void (GLAPIENTRY *qglDepthFunc)(GLenum func); +void (GLAPIENTRY *qglDepthMask)(GLboolean flag); +void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val); +void (GLAPIENTRY *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 *qglTexCoord1f)(GLfloat s); +void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t); +void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r); +void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q); +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 *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params); +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); +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); +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); +GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname); +void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj); +GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType); +void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length); +void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj); +GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void); +void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj); +void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj); +void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj); +void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj); +void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0); +void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1); +void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0); +void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1); +void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2); +void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value); +void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value); +void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value); +void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value); +void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value); +void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value); +void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value); +void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value); +void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params); +void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params); +void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog); +void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj); +GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name); +void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name); +void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params); +void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params); +void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source); + +//void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0); +//void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0); +//void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0); +//void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1); +//void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1); +//void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1); +//void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2); +//void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2); +//void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2); +//void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +//void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3); +//void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3); +//void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w); +//void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v); +//void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v); +//void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v); +//void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v); +//void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v); +//void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v); +//void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v); +//void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v); +//void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v); +//void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v); +//void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v); +//void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v); +//void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v); +//void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v); +//void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v); +//void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v); +//void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v); +//void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v); +//void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v); +//void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v); +//void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v); +//void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v); +//void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v); +void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer); +void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index); +void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index); +void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name); +void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name); +GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name); +//void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params); +//void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params); +//void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params); +//void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer); + +//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) { - Cvar_RegisterVariable(&vid_mode); - Cvar_RegisterVariable(&vid_mouse); + int failed = false; + const dllfunction_t *func; + struct { int major, minor; } min_version, curr_version; + 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 + + 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_DPrint("disabled by commandline\n"); + return false; + } + + if (ext == 1) // opengl extension + { + if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext)) + { + Con_DPrint("not detected\n"); + return false; + } + } + + 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; + } + } + + for (func = funcs;func && func->name != NULL;func++) + { + // 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; + Con_DPrint("enabled\n"); + return true; +} + +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}, + {"glTexCoord1f", (void **) &qglTexCoord1f}, + {"glTexCoord2f", (void **) &qglTexCoord2f}, + {"glTexCoord3f", (void **) &qglTexCoord3f}, + {"glTexCoord4f", (void **) &qglTexCoord4f}, + {"glVertex2f", (void **) &qglVertex2f}, + {"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}, + {"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}, + {"glTexEnvfv", (void **) &qglTexEnvfv}, + {"glTexEnvi", (void **) &qglTexEnvi}, + {"glTexParameterf", (void **) &qglTexParameterf}, + {"glTexParameterfv", (void **) &qglTexParameterfv}, + {"glTexParameteri", (void **) &qglTexParameteri}, + {"glHint", (void **) &qglHint}, + {"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}, + {"glPolygonMode", (void **) &qglPolygonMode}, + {"glPolygonStipple", (void **) &qglPolygonStipple}, + {"glClipPlane", (void **) &qglClipPlane}, + {"glGetClipPlane", (void **) &qglGetClipPlane}, + {NULL, NULL} +}; + +static dllfunction_t drawrangeelementsfuncs[] = +{ + {"glDrawRangeElements", (void **) &qglDrawRangeElements}, + {NULL, NULL} +}; + +static dllfunction_t drawrangeelementsextfuncs[] = +{ + {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT}, + {NULL, NULL} +}; + +static dllfunction_t multitexturefuncs[] = +{ + {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f}, + {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f}, + {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f}, + {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f}, + {"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 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}, + {"glGetHandleARB", (void **) &qglGetHandleARB}, + {"glDetachObjectARB", (void **) &qglDetachObjectARB}, + {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB}, + {"glShaderSourceARB", (void **) &qglShaderSourceARB}, + {"glCompileShaderARB", (void **) &qglCompileShaderARB}, + {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB}, + {"glAttachObjectARB", (void **) &qglAttachObjectARB}, + {"glLinkProgramARB", (void **) &qglLinkProgramARB}, + {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB}, + {"glValidateProgramARB", (void **) &qglValidateProgramARB}, + {"glUniform1fARB", (void **) &qglUniform1fARB}, + {"glUniform2fARB", (void **) &qglUniform2fARB}, + {"glUniform3fARB", (void **) &qglUniform3fARB}, + {"glUniform4fARB", (void **) &qglUniform4fARB}, + {"glUniform1iARB", (void **) &qglUniform1iARB}, + {"glUniform2iARB", (void **) &qglUniform2iARB}, + {"glUniform3iARB", (void **) &qglUniform3iARB}, + {"glUniform4iARB", (void **) &qglUniform4iARB}, + {"glUniform1fvARB", (void **) &qglUniform1fvARB}, + {"glUniform2fvARB", (void **) &qglUniform2fvARB}, + {"glUniform3fvARB", (void **) &qglUniform3fvARB}, + {"glUniform4fvARB", (void **) &qglUniform4fvARB}, + {"glUniform1ivARB", (void **) &qglUniform1ivARB}, + {"glUniform2ivARB", (void **) &qglUniform2ivARB}, + {"glUniform3ivARB", (void **) &qglUniform3ivARB}, + {"glUniform4ivARB", (void **) &qglUniform4ivARB}, + {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB}, + {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB}, + {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB}, + {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB}, + {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB}, + {"glGetInfoLogARB", (void **) &qglGetInfoLogARB}, + {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB}, + {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB}, + {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB}, + {"glGetUniformfvARB", (void **) &qglGetUniformfvARB}, + {"glGetUniformivARB", (void **) &qglGetUniformivARB}, + {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB}, + {NULL, NULL} +}; + +static dllfunction_t vertexshaderfuncs[] = +{ +// {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB}, +// {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB}, +// {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB}, +// {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB}, +// {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB}, +// {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB}, +// {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB}, +// {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB}, +// {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB}, +// {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB}, +// {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB}, +// {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB}, +// {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB}, +// {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB}, +// {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB}, +// {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB}, +// {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB}, +// {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB}, +// {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB}, +// {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB}, +// {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB}, +// {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB}, +// {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB}, +// {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB}, +// {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB}, +// {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB}, +// {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB}, +// {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB}, +// {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB}, +// {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB}, +// {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB}, +// {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB}, +// {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB}, +// {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB}, +// {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB}, +// {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB}, + {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB}, + {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB}, + {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB}, + {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB}, + {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB}, + {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB}, +// {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB}, +// {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB}, +// {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB}, +// {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB}, + {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} +}; + +static dllfunction_t fbofuncs[] = +{ + {"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} +}; + +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} +}; + +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} +}; + +void VID_CheckExtensions(void) +{ + gl_stencil = vid_bitsperpixel.integer == 32; + + // reset all the gl extension variables here + // this should match the declarations + gl_max_texture_size = 0; + gl_max_3d_texture_size = 0; + gl_max_cube_map_texture_size = 0; + gl_textureunits = 1; + gl_combine_extension = false; + gl_supportslockarrays = false; + gl_texture3d = false; + gl_texturecubemap = false; + gl_texturerectangle = false; + gl_support_arb_texture_non_power_of_two = false; + gl_dot3arb = false; + gl_depthtexture = false; + gl_support_clamptoedge = false; + gl_support_anisotropy = false; + gl_max_anisotropy = 1; + gl_support_separatestencil = false; + gl_support_stenciltwoside = false; + gl_support_ext_blend_minmax = false; + gl_support_ext_blend_subtract = false; + gl_support_shader_objects = false; + gl_support_shading_language_100 = false; + gl_support_vertex_shader = false; + gl_support_fragment_shader = false; + gl_support_arb_vertex_buffer_object = false; + gl_support_ext_framebuffer_object = false; + gl_support_texture_compression = false; + gl_support_arb_occlusion_query = false; + + if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false)) + Sys_Error("OpenGL 1.1.0 functions not found"); + + CHECKGLERROR + qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size); + + Con_DPrint("Checking OpenGL extensions...\n"); + +// COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster) + if (!GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true)) + GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false); + +// 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); + } + +// COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column) + if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false))) + { + qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size); + if (gl_max_3d_texture_size < 32) + { + gl_texture3d = false; + Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n"); + } + } +// COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping) + if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false))) + qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size); +// COMMANDLINEOPTION: GL: -norectangle disables GL_ARB_texture_rectangle (required for bumpmapping) + if ((gl_texturerectangle = GL_CheckExtension("GL_ARB_texture_rectangle", NULL, "-norectangle", false))) + qglGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &gl_max_rectangle_texture_size); + gl_depthtexture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false); +// 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) + gl_support_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", 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: -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); + + gl_support_ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false); + gl_support_ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false); + +// COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering) + if (!(gl_support_separatestencil = (GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true)))) + gl_support_separatestencil = GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false); +// COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering) + gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false); + +// COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering) + gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false); + +// COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering) + gl_support_ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", 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); + CHECKGLERROR +#ifndef __APPLE__ + // LordHavoc: this is blocked on Mac OS X because the drivers claim support but often can't accelerate it or crash when used. +// 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) + + { + // blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes) + int val = 0; + if(gl_support_vertex_shader) + qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, &val); + gl_support_arb_texture_non_power_of_two = val > 0 && GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false); + } +#endif + +// COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations) + gl_support_arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false); +} + +void Force_CenterView_f (void) +{ + cl.viewangles[PITCH] = 0; +} + +static int gamma_forcenextframe = false; +static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost; +static int cachecolorenable, cachehwgamma; + +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; + int wantgamma; + qboolean gamma_changed = false; + + // LordHavoc: don't mess with gamma tables if running dedicated + if (cls.state == ca_dedicated) + return; + + wantgamma = v_hwgamma.integer; + if(r_glsl.integer && v_glslgamma.integer) + wantgamma = 0; + 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) + { + 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 + { + if(v_gamma.value == 1) + if(v_contrast.value == 1) + if(v_brightness.value == 0) + vid_gammatables_trivial = true; + } + } + +#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; + + gamma_forcenextframe = false; + + if (cachehwgamma) + { + if (!vid_usinghwgamma) + { + vid_usinghwgamma = true; + if (vid_gammarampsize != rampsize || !vid_gammaramps) + { + 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; + } + VID_GetGamma(vid_systemgammaramps, vid_gammarampsize); + } + + 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) + { + if (vid_usinghwgamma) + { + vid_usinghwgamma = false; + VID_SetGamma(vid_systemgammaramps, vid_gammarampsize); + } + } + } + else + { + if (vid_usinghwgamma) + { + vid_usinghwgamma = false; + VID_SetGamma(vid_systemgammaramps, vid_gammarampsize); + } + } +} + +void VID_RestoreSystemGamma(void) +{ + if (vid_usinghwgamma) + { + vid_usinghwgamma = false; + 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(&v_gamma); + Cvar_RegisterVariable(&v_brightness); + Cvar_RegisterVariable(&v_contrastboost); + 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_glslgamma); + + Cvar_RegisterVariable(&v_psycho); + Cvar_RegisterVariable(&vid_fullscreen); + 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(&vid_grabkeyboard); + Cvar_RegisterVariable(&vid_stick_mouse); + Cvar_RegisterVariable(&vid_resizable); + Cvar_RegisterVariable(&vid_minwidth); + Cvar_RegisterVariable(&vid_minheight); + Cvar_RegisterVariable(&gl_combine); + Cvar_RegisterVariable(&gl_finish); + 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)"); + if (gamemode == GAME_GOODVSBAD2) + Cvar_Set("gl_combine", "0"); +} + +int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples) +{ + int requestedWidth = width; + int requestedHeight = height; + cl_ignoremousemoves = 2; + Con_Printf("Initializing Video Mode: %s %dx%dx%dx%dhz%s%s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate, stereobuffer ? " stereo" : "", samples > 1 ? va(" (%ix AA)", samples) : ""); + if (VID_InitMode(fullscreen, &width, &height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples)) + { + vid.fullscreen = fullscreen != 0; + vid.width = width; + vid.height = height; + vid.bitsperpixel = bpp; + vid.samples = samples; + vid.refreshrate = refreshrate; + vid.stereobuffer = stereobuffer != 0; + vid.userefreshrate = vid_userefreshrate.integer != 0; + Cvar_SetValueQuick(&vid_fullscreen, fullscreen); + Cvar_SetValueQuick(&vid_width, width); + Cvar_SetValueQuick(&vid_height, height); + Cvar_SetValueQuick(&vid_bitsperpixel, bpp); + Cvar_SetValueQuick(&vid_samples, samples); + if(vid_userefreshrate.integer) + Cvar_SetValueQuick(&vid_refreshrate, refreshrate); + Cvar_SetValueQuick(&vid_stereobuffer, stereobuffer); + + if(width != requestedWidth || height != requestedHeight) + Con_Printf("Chose a similar video mode %dx%d instead of the requested mode %dx%d\n", width, height, requestedWidth, requestedHeight); + + return true; + } + else + return false; +} + +static void VID_OpenSystems(void) +{ + R_Modules_Start(); + S_Startup(); +} + +static void VID_CloseSystems(void) +{ + S_Shutdown(); + R_Modules_Shutdown(); +} + +qboolean vid_commandlinecheck = true; + +void VID_Restart_f(void) +{ + // don't crash if video hasn't started yet + if (vid_commandlinecheck) + return; + + Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n", + vid.fullscreen ? "fullscreen" : "window", vid.width, vid.height, vid.bitsperpixel, vid.fullscreen && vid_userefreshrate.integer ? va("x%ihz", vid.refreshrate) : "", vid.samples > 1 ? va(" (%ix AA)", vid.samples) : "", + vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va("x%ihz", vid_refreshrate.integer) : "", 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, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer)) + { + Con_Print("Video mode change failed\n"); + if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer, vid.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) +{ + int i, width, height, success; + if (vid_commandlinecheck) + { + // interpret command-line parameters + vid_commandlinecheck = false; +// COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0 + if (COM_CheckParm("-window") || COM_CheckParm("-safe")) + Cvar_SetValueQuick(&vid_fullscreen, false); +// COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1 + if (COM_CheckParm("-fullscreen")) + Cvar_SetValueQuick(&vid_fullscreen, true); + width = 0; + height = 0; +// COMMANDLINEOPTION: Video: -width performs +vid_width and also +vid_height if only -width is specified (example: -width 1024 sets 1024x768 mode) + if ((i = COM_CheckParm("-width")) != 0) + width = atoi(com_argv[i+1]); +// COMMANDLINEOPTION: Video: -height performs +vid_height and also +vid_width if only -height is specified (example: -height 768 sets 1024x768 mode) + 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); +// COMMANDLINEOPTION: Video: -bpp performs +vid_bitsperpixel (example -bpp 32 or -bpp 16) + if ((i = COM_CheckParm("-bpp")) != 0) + Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]); + } + + success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer); + if (!success) + { + Con_Print("Desired video mode fail, trying fallbacks...\n"); + 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.integer, vid_stereobuffer.integer, vid_samples.integer); + } + if (!success) + 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; }