// AK where should it be placed ?
float in_mouse_x, in_mouse_y;
+float in_windowmouse_x, in_windowmouse_y;
// value of GL_MAX_TEXTURE_<various>_SIZE
int gl_max_texture_size = 0;
int gl_support_arb_vertex_buffer_object = false;
//GL_ARB_texture_compression
int gl_support_texture_compression = false;
+//GL_ARB_occlusion_query
+int gl_support_arb_occlusion_query = false;
// LordHavoc: if window is hidden, don't update screen
qboolean vid_hidden = true;
void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
+void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
+void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
+GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
+void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
+void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
+void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
+
int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
{
int failed = false;
return false;
}
- if (strstr(gl_extensions, name) || strstr(gl_platformextensions, name) || (strncmp(name, "GL_", 3) && strncmp(name, "WGL_", 4) && strncmp(name, "GLX_", 4) && strncmp(name, "AGL_", 4)))
+ if ((name[2] == '_' || name[3] == '_') && !strstr(gl_extensions ? gl_extensions : "", name) && !strstr(gl_platformextensions ? gl_platformextensions : "", name))
+ {
+ Con_DPrint("not detected\n");
+ return false;
+ }
+
+ for (func = funcs;func && func->name != NULL;func++)
{
- for (func = funcs;func && func->name != NULL;func++)
+ // functions are cleared before all the extensions are evaluated
+ if (!(*func->funcvariable = (void *) GL_GetProcAddress(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);
- failed = true;
- }
+ if (!silent)
+ Con_DPrintf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
+ failed = true;
}
- // delay the return so it prints all missing functions
- if (failed)
- return false;
- Con_DPrint("enabled\n");
- return true;
}
- else
- {
- Con_DPrint("not detected\n");
+ // delay the return so it prints all missing functions
+ if (failed)
return false;
- }
+ Con_DPrint("enabled\n");
+ return true;
}
static dllfunction_t opengl110funcs[] =
{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;
gl_support_fragment_shader = false;
gl_support_arb_vertex_buffer_object = false;
gl_support_texture_compression = false;
+ gl_support_arb_occlusion_query = false;
if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
Sys_Error("OpenGL 1.1.0 functions not found");
// 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);
+#ifndef __APPLE__
// TODO: blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes)
+ // 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)
gl_support_arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
+#endif
// 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)
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
+
+// COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
+ gl_support_arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
}
void Force_CenterView_f (void)
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("Initialized 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))
+ Con_Printf("Initializing Video Mode: %s %dx%dx%dx%dhz%s%s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate, stereobuffer ? " stereo" : "", samples > 1 ? va(" (%ix AA)", samples) : "");
+ if (VID_InitMode(fullscreen, &width, &height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples))
{
vid.fullscreen = fullscreen;
vid.width = width;
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