/* * 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 == &dummyContext) 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 == &dummyContext) return False; return __glXQueryRendererString(gc->psc, attribute); }