X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=vid_shared.c;h=6b8501bd5f746300334b82569fb5fb837f3ffea2;hp=978a6d3ded3e5a6eec44e3bd946f2f0ae86095f1;hb=79e8047c4a704dd1c1688a5d6930c3e181cabe70;hpb=b6ee99c1ec92872b535c07cef78cf38a31584021 diff --git a/vid_shared.c b/vid_shared.c index 978a6d3d..6b8501bd 100644 --- a/vid_shared.c +++ b/vid_shared.c @@ -27,10 +27,6 @@ int gl_textureunits = 1; 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 @@ -87,6 +83,15 @@ 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)"}; + +// 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; @@ -108,7 +113,9 @@ 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 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" }; @@ -255,13 +262,13 @@ 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); @@ -401,7 +408,7 @@ 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 *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); @@ -410,10 +417,10 @@ 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 *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 *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); @@ -434,6 +441,7 @@ int GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, c 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) @@ -497,6 +505,10 @@ int GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, c // 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; } @@ -584,13 +596,13 @@ 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}, @@ -786,7 +798,7 @@ static dllfunction_t fbofuncs[] = {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT}, {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT}, {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT}, - {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT}, +// {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT}, {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT}, {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT}, {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT}, @@ -799,10 +811,10 @@ static dllfunction_t texturecompressionfuncs[] = { {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB}, {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB}, - {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB}, +// {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB}, {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB}, {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB}, - {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB}, +// {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB}, {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB}, {NULL, NULL} }; @@ -822,144 +834,183 @@ static dllfunction_t occlusionqueryfuncs[] = 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_arb_shadow = 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; - gl_support_amd_texture_texture4 = false; - gl_support_arb_texture_gather = false; + // 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 - 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); + 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); + vid.support.nv_blend_square = GL_CheckExtension("GL_NV_blend_square", NULL, "-noblendsquare", false); +// COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing) +// COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax +// COMMANDLINEOPTION: GL: -noblendsquare disables GL_NV_blend_square +// 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) - 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); -// 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) - 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: -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); - - 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: -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) - 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: -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) - gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false); - +// 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) - gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false); +// COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects) -// 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); + 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); - 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) - + 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) { - // 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); + vid.support.ext_texture_3d = false; + Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n"); } -#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); + vid.texunits = vid.teximageunits = vid.texarrayunits = 1; + if (vid.support.arb_fragment_shader && vid_gl20.integer) + { + 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) + { + 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 + { + if (vid.support.arb_multitexture) + 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 GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits); + vid.renderpath = RENDERPATH_GL11; + } -// 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); + gl_max_texture_size = vid.maxtexturesize_2d; + gl_max_3d_texture_size = vid.maxtexturesize_3d; + gl_max_cube_map_texture_size = vid.maxtexturesize_cubemap; + gl_textureunits = vid.texunits; + gl_max_anisotropy = vid.max_anisotropy; + + gl_combine_extension = vid.support.arb_texture_env_combine; + gl_supportslockarrays = vid.support.ext_compiled_vertex_array; + gl_texture3d = vid.support.ext_texture_3d; + gl_texturecubemap = vid.support.arb_texture_cube_map; + gl_texturerectangle = vid.support.arb_texture_rectangle; + gl_support_arb_texture_non_power_of_two = vid.support.arb_texture_non_power_of_two; + gl_dot3arb = vid.support.arb_texture_env_dot3; + gl_depthtexture = vid.support.arb_depth_texture; + gl_support_arb_shadow = vid.support.arb_shadow; + gl_support_clamptoedge = vid.support.ext_texture_edge_clamp; + gl_support_anisotropy = vid.support.ext_texture_filter_anisotropic; + gl_support_separatestencil = vid.support.ati_separate_stencil; + gl_support_stenciltwoside = vid.support.ext_stencil_two_side; + gl_support_ext_blend_minmax = vid.support.ext_blend_minmax; + gl_support_ext_blend_subtract = vid.support.ext_blend_subtract; + gl_support_shader_objects = vid.support.arb_shader_objects; + gl_support_shading_language_100 = vid.support.arb_shading_language_100; + gl_support_vertex_shader = vid.support.arb_vertex_shader; + gl_support_fragment_shader = vid.support.arb_fragment_shader; + gl_support_arb_vertex_buffer_object = vid.support.arb_vertex_buffer_object; + gl_support_ext_framebuffer_object = vid.support.ext_framebuffer_object; + gl_support_texture_compression = vid.support.arb_texture_compression; + gl_support_arb_occlusion_query = vid.support.arb_occlusion_query; + gl_support_amd_texture_texture4 = vid.support.amd_texture_texture4; + gl_support_arb_texture_gather = vid.support.arb_texture_gather; + + // 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) @@ -1170,6 +1221,12 @@ void VID_RestoreSystemGamma(void) 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); @@ -1207,40 +1264,49 @@ void VID_Shared_Init(void) Cvar_RegisterVariable(&vid_minwidth); Cvar_RegisterVariable(&vid_minheight); Cvar_RegisterVariable(&gl_combine); + Cvar_RegisterVariable(&vid_gl13); + Cvar_RegisterVariable(&vid_gl20); 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 VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples) { - int requestedWidth = width; - int requestedHeight = height; + 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; - 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(&mode)) { - 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); + // 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, 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); + Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate); + Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer); return true; } @@ -1269,14 +1335,14 @@ void VID_Restart_f(void) 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.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, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.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, vid.refreshrate, vid.stereobuffer, vid.samples)) + 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(); @@ -1328,14 +1394,14 @@ void VID_Start(void) 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); + 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"); 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); + 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");