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/*
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "glxclient.h"
#include "glx_error.h"
#include <assert.h>
static Bool
__glXQueryRendererInteger(struct glx_screen *psc, int attribute,
unsigned int *value)
{
unsigned int values_for_query = 0;
unsigned int buffer[32];
int err;
/* This probably means the caller is trying to use an extension function
* that isn't actually supported.
*/
if (psc->vtable->query_renderer_integer == NULL)
return False;
switch (attribute) {
case GLX_RENDERER_VENDOR_ID_MESA:
case GLX_RENDERER_DEVICE_ID_MESA:
values_for_query = 1;
break;
case GLX_RENDERER_VERSION_MESA:
values_for_query = 3;
break;
case GLX_RENDERER_ACCELERATED_MESA:
case GLX_RENDERER_VIDEO_MEMORY_MESA:
case GLX_RENDERER_UNIFIED_MEMORY_ARCHITECTURE_MESA:
case GLX_RENDERER_PREFERRED_PROFILE_MESA:
values_for_query = 1;
break;
case GLX_RENDERER_OPENGL_CORE_PROFILE_VERSION_MESA:
case GLX_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION_MESA:
case GLX_RENDERER_OPENGL_ES_PROFILE_VERSION_MESA:
case GLX_RENDERER_OPENGL_ES2_PROFILE_VERSION_MESA:
values_for_query = 2;
break;
default:
return False;
}
err = psc->vtable->query_renderer_integer(psc, attribute, buffer);
/* If there was no error, copy the correct number of values from the driver
* out to the application.
*/
if (err == 0)
memcpy(value, buffer, sizeof(unsigned int) * values_for_query);
return err == 0;
}
_X_HIDDEN Bool
glXQueryRendererIntegerMESA(Display *dpy, int screen,
int renderer, int attribute,
unsigned int *value)
{
struct glx_screen *psc;
if (dpy == NULL)
return False;
/* This probably means the caller passed the wrong display pointer or
* screen number.
*/
psc = GetGLXScreenConfigs(dpy, screen);
if (psc == NULL)
return False;
/* Right now only a single renderer per display / screen combination is
* supported.
*/
if (renderer != 0)
return False;
return __glXQueryRendererInteger(psc, attribute, value);
}
_X_HIDDEN Bool
glXQueryCurrentRendererIntegerMESA(int attribute, unsigned int *value)
{
struct glx_context *gc = __glXGetCurrentContext();
if (gc == NULL)
return False;
return __glXQueryRendererInteger(gc->psc, attribute, value);
}
static const char *
__glXQueryRendererString(struct glx_screen *psc, int attribute)
{
const char *value;
int err;
/* This probably means the caller is trying to use an extension function
* that isn't actually supported.
*/
if (psc->vtable->query_renderer_integer == NULL)
return NULL;
switch (attribute) {
case GLX_RENDERER_VENDOR_ID_MESA:
case GLX_RENDERER_DEVICE_ID_MESA:
break;
default:
return NULL;
}
err = psc->vtable->query_renderer_string(psc, attribute, &value);
return (err == 0) ? value : NULL;
}
_X_HIDDEN const char *
glXQueryRendererStringMESA(Display *dpy, int screen,
int renderer, int attribute)
{
struct glx_screen *psc;
if (dpy == NULL)
return False;
/* This probably means the caller passed the wrong display pointer or
* screen number.
*/
psc = GetGLXScreenConfigs(dpy, screen);
if (psc == NULL)
return False;
/* Right now only a single renderer per display / screen combination is
* supported.
*/
if (renderer != 0)
return False;
return __glXQueryRendererString(psc, attribute);
}
_X_HIDDEN const char *
glXQueryCurrentRendererStringMESA(int attribute)
{
struct glx_context *gc = __glXGetCurrentContext();
if (gc == NULL)
return False;
return __glXQueryRendererString(gc->psc, attribute);
}
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