// LordHavoc: GL_EXT_compiled_vertex_array support
int gl_supportslockarrays = false;
+int gl_maxdrawrangeelementsvertices;
+int gl_maxdrawrangeelementsindices;
+
cvar_t vid_mode = {0, "vid_mode", "0"};
cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
cvar_t vid_fullscreen = {0, "vid_fullscreen", "1"};
//void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
-void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
-
void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
-
+void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, 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 *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+
+void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+
+//void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
+
+#if WIN32
+int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
+int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
+//int (WINAPI *qwglGetPixelFormat)(HDC);
+BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
+BOOL (WINAPI *qwglSwapBuffers)(HDC);
+HGLRC (WINAPI *qwglCreateContext)(HDC);
+BOOL (WINAPI *qwglDeleteContext)(HGLRC);
+PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
+BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
+//BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
+#endif
typedef struct
}
gl_extensioninfo_t;
+#if WIN32
+static gl_extensionfunctionlist_t wglfuncs[] =
+{
+ {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
+ {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
+// {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
+ {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
+ {"wglSwapBuffers", (void **) &qwglSwapBuffers},
+ {"wglCreateContext", (void **) &qwglCreateContext},
+ {"wglDeleteContext", (void **) &qwglDeleteContext},
+ {"wglGetProcAddress", (void **) &qwglGetProcAddress},
+ {"wglMakeCurrent", (void **) &qwglMakeCurrent},
+ {NULL, NULL}
+};
+
+/*
+static gl_extensionfunctionlist_t wglswapintervalfuncs[] =
+{
+ {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
+ {NULL, NULL}
+};
+*/
+#endif
+
static gl_extensionfunctionlist_t opengl110funcs[] =
{
{"glClearColor", (void **) &qglClearColor},
{"glTexEnvi", (void **) &qglTexEnvi},
// {"glTexParameterf", (void **) &qglTexParameterf},
{"glTexParameteri", (void **) &qglTexParameteri},
- {"glTexImage2D", (void **) &qglTexImage2D},
{"glBindTexture", (void **) &qglBindTexture},
+ {"glTexImage2D", (void **) &qglTexImage2D},
{"glTexSubImage2D", (void **) &qglTexSubImage2D},
+ {"glDeleteTextures", (void **) &qglDeleteTextures},
{NULL, NULL}
};
{NULL, NULL}
};
+static gl_extensionfunctionlist_t drawrangeelementsextfuncs[] =
+{
+ {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
+ {NULL, NULL}
+};
+
static gl_extensionfunctionlist_t multitexturefuncs[] =
{
{"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
#include <dlfcn.h>
#endif
-#ifndef WIN32
+#ifdef WIN32
+static HINSTANCE gldll;
+#else
static void *prjobj = NULL;
#endif
static void gl_getfuncs_begin(void)
{
-#ifndef WIN32
+#ifdef WIN32
+ gldll = LoadLibrary("opengl32.dll");
+#else
if (prjobj)
dlclose(prjobj);
static void gl_getfuncs_end(void)
{
-#ifndef WIN32
+#ifdef WIN32
+ FreeLibrary(gldll);
+#else
if (prjobj)
- {
dlclose(prjobj);
- prjobj = NULL;
- }
+ prjobj = NULL;
#endif
}
static void *gl_getfuncaddress(char *name)
{
+ void *p = NULL;
#ifdef WIN32
- return (void *) wglGetProcAddress(name);
+ if (qwglGetProcAddress != NULL)
+ p = (void *) qwglGetProcAddress(name);
+ if (p == NULL)
+ p = (void *) GetProcAddress(gldll, name);
#else
- return (void *) dlsym(prjobj, name);
+ p = (void *) dlsym(prjobj, name);
#endif
+ return p;
}
-static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm)
+static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm, int silent)
{
+ int failed = false;
gl_extensionfunctionlist_t *func;
Con_Printf("checking for %s... ", name);
return false;
}
- if (!strstr(name, "GL_") || strstr(gl_extensions, name))
+ if (strncmp(name, "GL_", 3) || strstr(gl_extensions, name))
{
for (func = funcs;func && func->name != NULL;func++)
{
+ // functions are cleared before all the extensions are evaluated
if (!(*func->funcvariable = (void *) gl_getfuncaddress(func->name)))
{
- Con_Printf("missing function \"%s\"!\n", func->name);
- return false;
+ if (!silent)
+ Con_Printf("missing function \"%s\" - broken driver!\n", func->name);
+ failed = true;
}
}
+ // delay the return so it prints all missing functions
+ if (failed)
+ return false;
Con_Printf("enabled\n");
return true;
}
gl_supportslockarrays = false;
gl_textureunits = 1;
- if (!gl_checkextension("OpenGL 1.1.0 or above", opengl110funcs, NULL))
+#if WIN32
+ if (!gl_checkextension("wgl", wglfuncs, NULL, false))
+ Sys_Error("wgl functions not found\n");
+ //gl_checkextension("wglSwapIntervalEXT", wglswapintervalfuncs, NULL, false);
+#endif
+
+ if (!gl_checkextension("OpenGL 1.1.0", opengl110funcs, NULL, false))
Sys_Error("OpenGL 1.1.0 functions not found\n");
- gl_checkextension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements");
+ if (gl_checkextension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true)
+ || gl_checkextension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", true))
+ {
+ qglGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &gl_maxdrawrangeelementsvertices);
+ qglGetIntegerv(GL_MAX_ELEMENTS_INDICES, &gl_maxdrawrangeelementsindices);
+
+ if (gl_maxdrawrangeelementsvertices < 1 || gl_maxdrawrangeelementsindices < 1)
+ {
+ Con_Printf("invalid GL_MAX_ELEMENTS_VERTICES (%i) and/or GL_MAX_ELEMENTS_INDICES (%i)\n", gl_maxdrawrangeelementsvertices, gl_maxdrawrangeelementsindices);
+ qglDrawRangeElements = qglDrawRangeElementsEXT = NULL;
+ }
+ }
- if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex"))
+ if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
{
- glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
+ qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
if (gl_textureunits > 1)
- gl_combine_extension = gl_checkextension("GL_ARB_texture_env_combine", NULL, "-nocombine") || gl_checkextension("GL_EXT_texture_env_combine", NULL, "-nocombine");
+ gl_combine_extension = gl_checkextension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || gl_checkextension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
else
+ {
+ Con_Printf("GL_ARB_multitexture with less than 2 units? - BROKEN DRIVER!\n");
gl_textureunits = 1; // for sanity sake, make sure it's not 0
+ }
}
- gl_supportslockarrays = gl_checkextension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva");
+ gl_supportslockarrays = gl_checkextension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
gl_getfuncs_end();
+
+ // 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;
}
void Force_CenterView_f (void)
projects / xonotic / darkplaces.git / blobdiff