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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif
#include "glitz_glxint.h"
static glitz_extension_map glx_extensions[] = {
{ 0.0, "GLX_EXT_visual_rating", GLITZ_GLX_FEATURE_VISUAL_RATING_MASK },
{ 1.3, "GLX_SGIX_fbconfig", GLITZ_GLX_FEATURE_FBCONFIG_MASK },
{ 1.3, "GLX_SGIX_pbuffer", GLITZ_GLX_FEATURE_PBUFFER_MASK },
{ 0.0, "GLX_SGI_make_current_read",
GLITZ_GLX_FEATURE_MAKE_CURRENT_READ_MASK },
{ 0.0, "GLX_ARB_multisample", GLITZ_GLX_FEATURE_MULTISAMPLE_MASK },
{ 0.0, NULL, 0 }
};
/* XXX: only checking for client side support right now */
static glitz_extension_map glx_client_extensions[] = {
{ 0.0, "GLX_MESA_copy_sub_buffer", GLITZ_GLX_FEATURE_COPY_SUB_BUFFER_MASK },
{ 0.0, NULL, 0 }
};
void
glitz_glx_query_extensions (glitz_glx_screen_info_t *screen_info,
glitz_gl_float_t glx_version)
{
const char *glx_extensions_string;
const char *glx_client_extensions_string;
const char *vendor;
glx_extensions_string =
glXQueryExtensionsString (screen_info->display_info->display,
screen_info->screen);
glx_client_extensions_string =
glXGetClientString (screen_info->display_info->display,
GLX_EXTENSIONS);
vendor = glXGetClientString (screen_info->display_info->display,
GLX_VENDOR);
if (vendor)
{
if (glx_version < 1.3f)
{
/* ATI's driver emulates GLX 1.3 support */
if (!strncmp ("ATI", vendor, 3))
screen_info->glx_version = glx_version = 1.3f;
}
}
screen_info->glx_feature_mask =
glitz_extensions_query (glx_version,
glx_extensions_string,
glx_extensions);
screen_info->glx_feature_mask |=
glitz_extensions_query (glx_version,
glx_client_extensions_string,
glx_client_extensions);
if (vendor)
{
if (screen_info->glx_feature_mask & GLITZ_GLX_FEATURE_MULTISAMPLE_MASK)
{
/* NVIDIA's driver seem to support multisample with pbuffers */
if (!strncmp ("NVIDIA", vendor, 6))
screen_info->glx_feature_mask |=
GLITZ_GLX_FEATURE_PBUFFER_MULTISAMPLE_MASK;
}
}
}
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