+++ /dev/null
-/* 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 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.
- */
-
-/* This is C code intended to be included (yes, included) by test
- * programs in the fips test suite.
- *
- * It defines a function:
- *
- * static void
- * handle_events(Display *dpy, Window window);
- *
- * which handles X events, responding by drawing a few frames using
- * OpenGL.
- *
- * Before including this file, the test program must define a macro
- * HANDLE_EVENTS_GL_PREFIX to some prefix. This macro can be empty (to
- * directly call functions in an OpenGL-library directly linked) or
- * can be some custom prefix to call through symbols defined in the
- * test program.
- */
-
-#ifndef HANDLE_EVENTS_GL_PREFIX
-#error Code including handle-events.c must define HANDLE_EVENTS_GL_PREFIX
-#endif
-
-#define concat_(a,b) a ## b
-#define concat(a,b) concat_(a,b)
-#define _(func) concat(HANDLE_EVENTS_GL_PREFIX, func)
-
-static void
-set_2d_projection (int width, int height)
-{
- _(glMatrixMode) (GL_PROJECTION);
- _(glLoadIdentity) ();
- _(glOrtho) (0, width, height, 0, 0, 1);
- _(glMatrixMode) (GL_MODELVIEW);
-}
-
-static void
-paint_rgb_using_clear (double r, double g, double b)
-{
- _(glClearColor) (r, g, b, 1.0);
- _(glClear) (GL_COLOR_BUFFER_BIT);
-}
-
-static void
-create_context (Display *dpy, GLXContext *ctx_ret, XVisualInfo **visual_info_ret)
-{
- int visual_attr[] = {
- GLX_RGBA,
- GLX_RED_SIZE, 8,
- GLX_GREEN_SIZE, 8,
- GLX_BLUE_SIZE, 8,
- GLX_ALPHA_SIZE, 8,
- GLX_DOUBLEBUFFER,
- GLX_DEPTH_SIZE, 24,
- GLX_STENCIL_SIZE, 8,
- GLX_X_VISUAL_TYPE, GLX_DIRECT_COLOR,
- None
- };
-
- /* Window and context setup. */
- *visual_info_ret = _(glXChooseVisual) (dpy, 0, visual_attr);
- *ctx_ret = _(glXCreateContext) (dpy, *visual_info_ret, NULL, True);
-}
-
-static void
-draw (Display *dpy, GLXContext ctx, Window window, int width, int height)
-{
- int i;
- _(glXMakeCurrent) (dpy, window, ctx);
-
- _(glViewport) (0, 0, width, height);
-
- set_2d_projection (width, height);
-
-/* Simply count through some colors, frame by frame. */
-#define RGB(frame) (((frame+1)/4) % 2), (((frame+1)/2) % 2), ((frame+1) % 2)
-
- int frame = 0;
- for (i = 0; i < 2; i++) {
- /* Frame: Draw a solid (magenta) frame */
- paint_rgb_using_clear (RGB(frame));
- _(glXSwapBuffers) (dpy, window);
- frame++;
-
- /* Frame: Draw a solid (yellow) frame */
- paint_rgb_using_clear (RGB(frame));
- _(glXSwapBuffers) (dpy, window);
- frame++;
-
- /* Frame: Draw a solid (cyan) frame */
- paint_rgb_using_clear (RGB(frame));
- _(glXSwapBuffers) (dpy, window);
- frame++;
- }
-
- /* Cleanup */
- _(glXDestroyContext) (dpy, ctx);
-}
-
-static void
-handle_events(Display *dpy, GLXContext ctx, Window window)
-{
- XEvent xev;
- int width = 0;
- int height = 0;
-
- XNextEvent (dpy, &xev);
-
- while (1) {
- XNextEvent (dpy, &xev);
- switch (xev.type) {
- case ConfigureNotify:
- width = xev.xconfigure.width;
- height = xev.xconfigure.height;
- break;
- case Expose:
- if (xev.xexpose.count == 0) {
- draw (dpy, ctx, window, width, height);
- return;
- }
- break;
- }
- }
-}