X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=vid_shared.c;h=2af2694351df95a99372fa80b571c21224259c77;hp=028b10dc3377e48f47d59f9b03b29ebe4ecab0ee;hb=c0b8da8b7012a02ffd416d83840ad2bae7056191;hpb=0ead4e3aa0da9ea6f3a6a83fa2a35eeb7c238ac0 diff --git a/vid_shared.c b/vid_shared.c index 028b10dc..2af26943 100644 --- a/vid_shared.c +++ b/vid_shared.c @@ -20,6 +20,7 @@ float in_windowmouse_x, in_windowmouse_y; 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 @@ -34,10 +35,16 @@ int gl_stencil = false; 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_ARB_shadow +int gl_support_arb_shadow = false; // GL_SGIS_texture_edge_clamp int gl_support_clamptoedge = false; // GL_EXT_texture_filter_anisotropic @@ -61,8 +68,16 @@ int gl_support_vertex_shader = false; 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; +//GL_AMD_texture_texture4 +int gl_support_amd_texture_texture4 = false; +//GL_ARB_texture_gather +int gl_support_arb_texture_gather = false; // LordHavoc: if window is hidden, don't update screen qboolean vid_hidden = true; @@ -93,7 +108,7 @@ cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in wi 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_combine = {0, "gl_combine", "1", "enables faster rendering 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" }; @@ -374,6 +389,25 @@ 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); @@ -382,12 +416,37 @@ void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLi 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); -int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent) +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; + int ext; - Con_DPrintf("checking for %s... ", name); + 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; @@ -398,19 +457,40 @@ int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char * return false; } - if ((name[2] == '_' || name[3] == '_') && !strstr(gl_extensions ? gl_extensions : "", name) && !strstr(gl_platformextensions ? gl_platformextensions : "", name)) + if (ext == 1) // opengl extension { - Con_DPrint("not detected\n"); - return false; + 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) - Con_DPrintf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name); + { + 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; } } @@ -693,6 +773,28 @@ static dllfunction_t vbofuncs[] = {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}, @@ -705,6 +807,19 @@ static dllfunction_t texturecompressionfuncs[] = {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; @@ -719,8 +834,11 @@ void VID_CheckExtensions(void) 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_arb_shadow = false; gl_support_clamptoedge = false; gl_support_anisotropy = false; gl_max_anisotropy = 1; @@ -733,9 +851,13 @@ void VID_CheckExtensions(void) 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; + gl_support_amd_texture_texture4 = false; + gl_support_arb_texture_gather = false; - if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false)) + if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false)) Sys_Error("OpenGL 1.1.0 functions not found"); CHECKGLERROR @@ -744,7 +866,7 @@ void VID_CheckExtensions(void) Con_DPrint("Checking OpenGL extensions...\n"); // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster) - if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true)) + 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) @@ -771,9 +893,14 @@ void VID_CheckExtensions(void) // 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); - // TODO: blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes) -// 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) - gl_support_arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false); +// 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); +// COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping) + gl_depthtexture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false); +// COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering) + gl_support_arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", 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) @@ -789,7 +916,7 @@ void VID_CheckExtensions(void) 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("glStencilOpSeparate", gl2separatestencilfuncs, "-noseparatestencil", true))) + 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); @@ -797,6 +924,9 @@ void VID_CheckExtensions(void) // 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; @@ -810,6 +940,26 @@ void VID_CheckExtensions(void) 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); + +// COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling) + gl_support_amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false); +// COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling) + gl_support_arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false); } void Force_CenterView_f (void) @@ -898,7 +1048,7 @@ void VID_UpdateGamma(qboolean force, int rampsize) 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_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); @@ -1066,18 +1216,20 @@ void VID_Shared_Init(void) 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)) + if (VID_InitMode(fullscreen, &width, &height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples)) { - vid.fullscreen = fullscreen; + vid.fullscreen = fullscreen != 0; vid.width = width; vid.height = height; vid.bitsperpixel = bpp; vid.samples = samples; vid.refreshrate = refreshrate; - vid.stereobuffer = stereobuffer; - vid.userefreshrate = vid_userefreshrate.integer; + 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); @@ -1086,6 +1238,10 @@ int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, in 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 @@ -1187,3 +1343,65 @@ void VID_Start(void) 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; +}