From 1e074dcb7bce276d7caa5b0bdd0ce95f3313a2c1 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Thu, 12 Mar 2009 14:30:22 +0000 Subject: demos: use glGenerateMipmapEXT entrypoint in cubemap.c glGenerateMipmap() is part of ARB_framebuffer_object, which many mesa drivers don't advertise. Add check for EXT_framebuffer_object. --- progs/demos/cubemap.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'progs') diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c index b85a1282c8..41f99d0164 100644 --- a/progs/demos/cubemap.c +++ b/progs/demos/cubemap.c @@ -426,7 +426,7 @@ static void init_checkers( void ) GL_BGRA, GL_UNSIGNED_BYTE, image); } - glGenerateMipmap(GL_TEXTURE_CUBE_MAP_ARB); + glGenerateMipmapEXT(GL_TEXTURE_CUBE_MAP_ARB); } @@ -502,6 +502,13 @@ static void init( GLboolean useImageFiles ) printf("Sorry, this demo requires GL_ARB_texture_cube_map\n"); exit(0); } + + /* Needed for glGenerateMipmapEXT + */ + if (!strstr(exten, "GL_EXT_framebuffer_object")) { + printf("Sorry, this demo requires GL_ARB_texture_cube_map\n"); + exit(0); + } } printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER)); -- cgit v1.2.3