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_ARB_shadow
+int gl_support_arb_shadow = false;
// GL_SGIS_texture_edge_clamp
int gl_support_clamptoedge = false;
// GL_EXT_texture_filter_anisotropic
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;
// 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;
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" };
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);
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);
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);
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)
// 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;
}
// {"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},
{"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
{"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
{"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
- {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
+// {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
{"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
{"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
{"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
{
{"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}
};
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_support_arb_texture_non_power_of_two = false;
- gl_dot3arb = 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;
+ // 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: -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;
+ }
+
+ 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)
void VID_Shared_Init(void)
{
Cvar_RegisterVariable(&vid_hardwaregammasupported);
+ Cvar_RegisterVariable(&gl_info_vendor);
+ Cvar_RegisterVariable(&gl_info_renderer);
+ Cvar_RegisterVariable(&gl_info_version);
+ Cvar_RegisterVariable(&gl_info_extensions);
+ Cvar_RegisterVariable(&gl_info_platform);
+ Cvar_RegisterVariable(&gl_info_driver);
Cvar_RegisterVariable(&v_gamma);
Cvar_RegisterVariable(&v_brightness);
Cvar_RegisterVariable(&v_contrastboost);
Cvar_RegisterVariable(&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;
}
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();
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");
projects / xonotic / darkplaces.git / blobdiff