8dda434953
Major enhancements to the state web server. Added state-based shader instancing to avoid recompiles. Fixed issue #113 - Possible bug with REGAL_STATISTICS Corrected handling of GL_POINT_SIZE_MAX state in RegalState. Refreshed apitrace, civetweb, libpng, and GLEW from upstream.
131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
/*
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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS 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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For more information, please refer to <http://unlicense.org/>
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*/
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#include <GL/Regal.h>
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#include "render.h"
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#include <unistd.h>
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#include <cstdlib>
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#include <cstring>
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#include <cstdio>
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int main (int argc, char ** argv)
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{
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Display *dpy = XOpenDisplay(0);
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PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = NULL;
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const char *extensions = glXQueryExtensionsString(dpy, DefaultScreen(dpy));
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printf("%s\n",extensions);
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static int visual_attribs[] =
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{
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GLX_RENDER_TYPE, GLX_RGBA_BIT,
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GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
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GLX_DOUBLEBUFFER, true,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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None
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};
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printf("Getting framebuffer config.\n");
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int fbcount;
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GLXFBConfig *fbc = glXChooseFBConfig(dpy, DefaultScreen(dpy), visual_attribs, &fbcount);
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if (!fbc)
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{
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printf("Failed to retrieve a framebuffer config.\n");
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return 1;
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}
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printf("Getting XVisualInfo\n");
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XVisualInfo *vi = glXGetVisualFromFBConfig(dpy, fbc[0]);
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XSetWindowAttributes swa;
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printf("Creating colormap\n");
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swa.colormap = XCreateColormap(dpy, RootWindow(dpy, vi->screen), vi->visual, AllocNone);
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swa.border_pixel = 0;
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swa.event_mask = StructureNotifyMask;
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printf("Creating window\n");
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int width = 500;
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int height = 500;
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Window win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, width, height, 0, vi->depth, InputOutput, vi->visual, CWBorderPixel|CWColormap|CWEventMask, &swa);
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if (!win)
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{
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printf("Failed to create window\n");
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return 1;
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}
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printf("Mapping window\n");
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XMapWindow(dpy, win);
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// Create an oldstyle context first, to get the correct function pointer for glXCreateContextAttribsARB
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GLXContext ctx_old = glXCreateContext(dpy, vi, 0, GL_TRUE);
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glXCreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC) glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
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printf("glxCreateContextAttribsARB %p\n",glXCreateContextAttribsARB);
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glXMakeCurrent(dpy, 0, 0);
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glXDestroyContext(dpy, ctx_old);
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if (glXCreateContextAttribsARB == NULL)
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{
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printf("glXCreateContextAttribsARB entry point not found. Aborting.\n");
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return false;
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}
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static int context_attribs[] =
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{
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GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
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GLX_CONTEXT_MINOR_VERSION_ARB, 0,
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None
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};
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printf("Creating context\n");
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GLXContext ctx = glXCreateContextAttribsARB(dpy, fbc[0], NULL, true, context_attribs);
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if (!ctx)
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{
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printf("Failed to create GL3 context.\n");
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return 1;
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}
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printf("Making context current.\n");
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glXMakeCurrent(dpy, win, ctx);
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alphaTorusReshape( width, height );
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for(int i = 0; i < 1000000; i++ ) {
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alphaTorusDisplay( true );
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glXSwapBuffers( dpy, win );
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usleep( 16000 );
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}
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ctx = glXGetCurrentContext();
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glXMakeCurrent(dpy, 0, 0);
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glXDestroyContext(dpy, ctx);
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}
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