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116 lines
3.5 KiB
116 lines
3.5 KiB
/**************************************************************************
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*
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* Copyright (C) 2016 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <epoxy/glx.h>
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#include "virglrenderer.h"
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#include "vrend_winsys_glx.h"
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struct virgl_glx {
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Display *display;
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GLXFBConfig* fbConfigs;
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GLXPbuffer pbuffer;
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};
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struct virgl_glx *virgl_glx_init(void)
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{
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struct virgl_glx *d;
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d = malloc(sizeof(struct virgl_glx));
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if (!d)
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return NULL;
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d->display = XOpenDisplay(NULL);
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if (!d->display) {
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free(d);
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return NULL;
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}
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int visualAttribs[] = { None };
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int numberOfFramebufferConfigurations = 0;
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d->fbConfigs = glXChooseFBConfig(d->display, DefaultScreen(d->display),
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visualAttribs, &numberOfFramebufferConfigurations);
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int pbufferAttribs[] = {
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GLX_PBUFFER_WIDTH, 32,
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GLX_PBUFFER_HEIGHT, 32,
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None
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};
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d->pbuffer = glXCreatePbuffer(d->display, d->fbConfigs[0], pbufferAttribs);
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return d;
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}
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void virgl_glx_destroy(struct virgl_glx *d)
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{
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XFree(d->fbConfigs);
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glXDestroyPbuffer(d->display,d->pbuffer);
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XCloseDisplay(d->display);
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free(d);
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}
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virgl_renderer_gl_context virgl_glx_create_context(struct virgl_glx *d, struct virgl_gl_ctx_param *vparams)
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{
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int context_attribs[] = {
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GLX_CONTEXT_MAJOR_VERSION_ARB, vparams->major_ver,
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GLX_CONTEXT_MINOR_VERSION_ARB, vparams->minor_ver,
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None
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};
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GLXContext ctx =
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glXCreateContextAttribsARB(d->display, d->fbConfigs[0],
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vparams->shared ? glXGetCurrentContext() : NULL,
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True, context_attribs);
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return (virgl_renderer_gl_context)ctx;
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}
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void virgl_glx_destroy_context(struct virgl_glx *d, virgl_renderer_gl_context virglctx)
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{
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GLXContext ctx = (GLXContext)virglctx;
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glXDestroyContext(d->display,ctx);
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}
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int virgl_glx_make_context_current(struct virgl_glx *d, virgl_renderer_gl_context virglctx)
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{
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return glXMakeContextCurrent(d->display, d->pbuffer, d->pbuffer, virglctx);
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}
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uint32_t virgl_glx_query_video_memory(struct virgl_glx *d)
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{
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uint32_t video_memory = 0;
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if (d) {
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if (epoxy_has_glx_extension(d->display, DefaultScreen(d->display), "GLX_MESA_query_renderer")) {
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glXQueryCurrentRendererIntegerMESA(GLX_RENDERER_VIDEO_MEMORY_MESA, &video_memory);
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}
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}
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return video_memory;
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} |