[Xquartz-changes] [170] AppleSGLX/trunk/tests
source_changes at macosforge.org
source_changes at macosforge.org
Wed Feb 18 20:22:28 PST 2009
Revision: 170
http://trac.macosforge.org/projects/xquartz/changeset/170
Author: gstaplin at apple.com
Date: 2009-02-18 20:22:27 -0800 (Wed, 18 Feb 2009)
Log Message:
-----------
Add create/destroy test for GLXPixmaps.
Modified Paths:
--------------
AppleSGLX/trunk/tests/glxpixmap/glxpixmap.mk
AppleSGLX/trunk/tests/tests.mk
Added Paths:
-----------
AppleSGLX/trunk/tests/glxpixmap/glxpixmap_create_destroy.c
Modified: AppleSGLX/trunk/tests/glxpixmap/glxpixmap.mk
===================================================================
--- AppleSGLX/trunk/tests/glxpixmap/glxpixmap.mk 2009-02-18 19:52:08 UTC (rev 169)
+++ AppleSGLX/trunk/tests/glxpixmap/glxpixmap.mk 2009-02-19 04:22:27 UTC (rev 170)
@@ -1,2 +1,6 @@
$(TEST_BUILD_DIR)/glxpixmap: tests/glxpixmap/glxpixmap.c $(LIBGL)
$(CC) tests/glxpixmap/glxpixmap.c -Iinclude -I/usr/X11/include -o $(TEST_BUILD_DIR)/glxpixmap $(LINK_TEST)
+
+$(TEST_BUILD_DIR)/glxpixmap_create_destroy: tests/glxpixmap/glxpixmap_create_destroy.c $(LIBGL)
+ $(CC) tests/glxpixmap/glxpixmap_create_destroy.c -Iinclude -I/usr/X11/include -o $(TEST_BUILD_DIR)/glxpixmap_create_destroy $(LINK_TEST)
+
Added: AppleSGLX/trunk/tests/glxpixmap/glxpixmap_create_destroy.c
===================================================================
--- AppleSGLX/trunk/tests/glxpixmap/glxpixmap_create_destroy.c (rev 0)
+++ AppleSGLX/trunk/tests/glxpixmap/glxpixmap_create_destroy.c 2009-02-19 04:22:27 UTC (rev 170)
@@ -0,0 +1,212 @@
+
+
+/*
+ * A demonstration of using the GLXPixmap functions. This program is in
+ * the public domain.
+ *
+ * Brian Paul
+ */
+
+
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static GLXContext ctx;
+static XVisualInfo *visinfo;
+static GC gc;
+
+static Window make_rgb_window( Display *dpy,
+ unsigned int width, unsigned int height )
+{
+ const int sbAttrib[] = { GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None };
+ const int dbAttrib[] = { GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ GLX_DOUBLEBUFFER,
+ None };
+ int scrnum;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ Window win;
+
+ scrnum = DefaultScreen( dpy );
+ root = RootWindow( dpy, scrnum );
+
+ visinfo = glXChooseVisual( dpy, scrnum, (int *) sbAttrib );
+ if (!visinfo) {
+ visinfo = glXChooseVisual( dpy, scrnum, (int *) dbAttrib );
+ if (!visinfo) {
+ printf("Error: couldn't get an RGB visual\n");
+ exit(1);
+ }
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ /* TODO: share root colormap if possible */
+ attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask;
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( dpy, root, 0, 0, width, height,
+ 0, visinfo->depth, InputOutput,
+ visinfo->visual, mask, &attr );
+
+ /* make an X GC so we can do XCopyArea later */
+ gc = XCreateGC( dpy, win, 0, NULL );
+
+ /* need indirect context */
+ ctx = glXCreateContext( dpy, visinfo, NULL, False );
+ if (!ctx) {
+ printf("Error: glXCreateContext failed\n");
+ exit(-1);
+ }
+
+ printf("Direct rendering: %s\n", glXIsDirect(dpy, ctx) ? "Yes" : "No");
+
+ return win;
+}
+
+
+static GLXPixmap make_pixmap( Display *dpy, Window win,
+ unsigned int width, unsigned int height,
+ Pixmap *pixmap)
+{
+ Pixmap pm;
+ GLXPixmap glxpm;
+ XWindowAttributes attr;
+
+ pm = XCreatePixmap( dpy, win, width, height, visinfo->depth );
+ if (!pm) {
+ printf("Error: XCreatePixmap failed\n");
+ exit(-1);
+ }
+
+ XGetWindowAttributes( dpy, win, &attr );
+
+ printf("pm %lx\n", pm);
+ /*
+ * IMPORTANT:
+ * Use the glXCreateGLXPixmapMESA funtion when using Mesa because
+ * Mesa needs to know the colormap associated with a pixmap in order
+ * to render correctly. This is because Mesa allows RGB rendering
+ * into any kind of visual, not just TrueColor or DirectColor.
+ */
+#ifdef GLX_MESA_pixmap_colormap
+ if (strstr(glXQueryExtensionsString(dpy, 0), "GLX_MESA_pixmap_colormap")) {
+ /* stand-alone Mesa, specify the colormap */
+ glxpm = glXCreateGLXPixmapMESA( dpy, visinfo, pm, attr.colormap );
+ }
+ else {
+ glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
+ }
+#else
+ /* This will work with Mesa too if the visual is TrueColor or DirectColor */
+ glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
+#endif
+
+ if (!glxpm) {
+ printf("Error: GLXCreateGLXPixmap failed\n");
+ exit(-1);
+ }
+
+ *pixmap = pm;
+
+ return glxpm;
+}
+
+
+
+static void event_loop( Display *dpy, GLXPixmap pm )
+{
+ XEvent event;
+
+ while (1) {
+ XNextEvent( dpy, &event );
+
+ switch (event.type) {
+ case Expose:
+ printf("Redraw\n");
+ /* copy the image from GLXPixmap to window */
+ XCopyArea( dpy, pm, event.xany.window, /* src, dest */
+ gc, 0, 0, 300, 300, /* gc, src pos, size */
+ 0, 0 ); /* dest pos */
+ break;
+ case ConfigureNotify:
+ /* nothing */
+ break;
+ }
+ }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+ Display *dpy;
+ Window win;
+ Pixmap pm;
+ GLXPixmap glxpm;
+ int eventbase, errorbase;
+
+ dpy = XOpenDisplay(NULL);
+
+ if(NULL == dpy) {
+ fprintf(stderr, "error: opening display\n");
+ return EXIT_FAILURE;
+ }
+
+ if(!glXQueryExtension(dpy, &eventbase, &errorbase)) {
+ fprintf(stderr, "GLX is not available!\n");
+ return EXIT_FAILURE;
+ }
+
+
+ win = make_rgb_window( dpy, 300, 300 );
+
+ XMapWindow(dpy, win);
+
+ while(1) {
+ glxpm = make_pixmap( dpy, win, 300, 300, &pm );
+
+ printf("glxpm 0x%lx\n", glxpm);
+
+ if(!glXMakeCurrent(dpy, glxpm, ctx)) {
+ fprintf(stderr, "glXMakeCurrent failed!\n");
+ return EXIT_FAILURE;
+ }
+
+ printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+
+ /* Render an image into the pixmap */
+ glShadeModel( GL_FLAT );
+ glClearColor( 0.5, 0.5, 0.5, 1.0 );
+ glClear( GL_COLOR_BUFFER_BIT );
+ glViewport( 0, 0, 300, 300 );
+ glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
+ glColor3f( 0.0, 0.0, 1.0 );
+ glRectf( -0.75, -0.75, 0.75, 0.75 );
+ glFlush();
+
+ glFinish();
+
+ glXMakeCurrent(dpy, None, ctx);
+
+ glXDestroyGLXPixmap(dpy, glxpm);
+ }
+
+ /* NOT REACHED */
+ event_loop( dpy, pm );
+
+ return 0;
+}
Modified: AppleSGLX/trunk/tests/tests.mk
===================================================================
--- AppleSGLX/trunk/tests/tests.mk 2009-02-18 19:52:08 UTC (rev 169)
+++ AppleSGLX/trunk/tests/tests.mk 2009-02-19 04:22:27 UTC (rev 170)
@@ -25,4 +25,5 @@
$(TEST_BUILD_DIR)/create_destroy_context_alone \
$(TEST_BUILD_DIR)/create_destroy_context_with_drawable \
$(TEST_BUILD_DIR)/create_destroy_context_with_drawable_2 \
- $(TEST_BUILD_DIR)/render_types
+ $(TEST_BUILD_DIR)/render_types \
+ $(TEST_BUILD_DIR)/glxpixmap_create_destroy
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