[Xquartz-changes] [323] AppleSGLX/trunk/tests

[source_changes at macosforge.org]

Revision: 323
          http://trac.macosforge.org/projects/xquartz/changeset/323
Author:   gstaplin at apple.com
Date:     2009-03-26 00:18:13 -0700 (Thu, 26 Mar 2009)
Log Message:
-----------
Add a test that demonstrates the black surface problem some users are experiencing.

Modified Paths:
--------------
    AppleSGLX/trunk/tests/tests.mk
    AppleSGLX/trunk/tests/triangle_glx/triangle_glx.mk

Added Paths:
-----------
    AppleSGLX/trunk/tests/triangle_glx/triangle_glx_destroy_relation.c

Modified: AppleSGLX/trunk/tests/tests.mk
===================================================================
--- AppleSGLX/trunk/tests/tests.mk	2009-03-21 00:36:03 UTC (rev 322)
+++ AppleSGLX/trunk/tests/tests.mk	2009-03-26 07:18:13 UTC (rev 323)
@@ -34,5 +34,6 @@
   $(TEST_BUILD_DIR)/glthreads \
   $(TEST_BUILD_DIR)/triangle_glx_surface \
   $(TEST_BUILD_DIR)/triangle_glx_surface-2 \
-  $(TEST_BUILD_DIR)/triangle_glx_withdraw_remap
+  $(TEST_BUILD_DIR)/triangle_glx_withdraw_remap \
+  $(TEST_BUILD_DIR)/triangle_glx_destroy_relation
 

Modified: AppleSGLX/trunk/tests/triangle_glx/triangle_glx.mk
===================================================================
--- AppleSGLX/trunk/tests/triangle_glx/triangle_glx.mk	2009-03-21 00:36:03 UTC (rev 322)
+++ AppleSGLX/trunk/tests/triangle_glx/triangle_glx.mk	2009-03-26 07:18:13 UTC (rev 323)
@@ -9,3 +9,6 @@
 
 $(TEST_BUILD_DIR)/triangle_glx_withdraw_remap: tests/triangle_glx/triangle_glx_withdraw_remap.c $(LIBGL)
 	$(CC) tests/triangle_glx/triangle_glx_withdraw_remap.c -Iinclude -o $(TEST_BUILD_DIR)/triangle_glx_withdraw_remap $(LINK_TEST)
+
+$(TEST_BUILD_DIR)/triangle_glx_destroy_relation: tests/triangle_glx/triangle_glx_destroy_relation.c $(LIBGL)
+	$(CC) tests/triangle_glx/triangle_glx_destroy_relation.c -Iinclude -o $(TEST_BUILD_DIR)/triangle_glx_destroy_relation $(LINK_TEST)

Added: AppleSGLX/trunk/tests/triangle_glx/triangle_glx_destroy_relation.c
===================================================================
--- AppleSGLX/trunk/tests/triangle_glx/triangle_glx_destroy_relation.c	                        (rev 0)
+++ AppleSGLX/trunk/tests/triangle_glx/triangle_glx_destroy_relation.c	2009-03-26 07:18:13 UTC (rev 323)
@@ -0,0 +1,130 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <X11/Xlib.h>
+#include <GL/glx.h>
+
+Window root, win, win2;
+GLXContext ctx;
+
+void draw(Display *dpy, Window w) {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glLoadIdentity();   
+    glColor3f(0.5f, 0.5f, 1.0f);
+    glBegin(GL_TRIANGLES);
+    glVertex3f( 0.0f, 1.0f, 0.0f);
+    glVertex3f(-1.0f,-1.0f, 0.0f);
+    glVertex3f( 1.0f,-1.0f, 0.0f);
+    glEnd();
+    glXSwapBuffers(dpy, w);
+}
+
+void resize(Display *dpy, Window w, int width, int height) {
+    glViewport(0, 0, width, height);
+    draw(dpy, w);
+}
+
+void event_loop(Display *dpy) {
+    XEvent event;
+    
+    while(1) {
+	XNextEvent(dpy, &event);
+
+	switch(event.type) {
+	case Expose:
+	    glXMakeCurrent(dpy, event.xexpose.window, ctx);
+	    draw(dpy, event.xexpose.window);
+	    break;
+	
+	case KeyPress: {
+	    XWindowAttributes wattr;
+    
+	    glXMakeCurrent(dpy, win2, ctx);
+
+	    XGetWindowAttributes(dpy, win2, &wattr);
+
+	    resize(dpy, win2, wattr.width, wattr.height);
+	    draw(dpy, win2);
+	    XFlush(dpy);
+	}
+	    break;
+    
+	case ConfigureNotify:
+	    glXMakeCurrent(dpy, event.xconfigure.window, ctx);
+	    resize(dpy, event.xconfigure.window, event.xconfigure.width,
+		   event.xconfigure.height);
+	    break;
+	}	
+    }
+}
+
+int main() {
+    Display *dpy;
+    int attrib[] = { GLX_RGBA,
+		     GLX_RED_SIZE, 8,
+		     GLX_GREEN_SIZE, 8,
+		     GLX_BLUE_SIZE, 8,
+		     GLX_DEPTH_SIZE, 24,
+		     GLX_DOUBLEBUFFER,
+		     None };
+    int eventbase, errorbase;
+    int screen;
+    XVisualInfo *visinfo;
+    XSetWindowAttributes attr;
+    
+
+    dpy = XOpenDisplay(NULL);
+    
+    if(NULL == dpy) {
+        fprintf(stderr, "error: unable to open display!\n");
+        return EXIT_FAILURE;
+    }
+    
+    if(!glXQueryExtension(dpy, &eventbase, &errorbase)) {
+        fprintf(stderr, "GLX is not available!\n");
+        return EXIT_FAILURE;
+    }
+    
+    screen = DefaultScreen(dpy);
+    root = RootWindow(dpy, screen);
+
+    visinfo = glXChooseVisual(dpy, screen, attrib);
+
+    if(!visinfo) {
+	fprintf(stderr, "error: couldn't get an RGBA, double-buffered visual!\n");
+	return EXIT_FAILURE;
+    }
+
+    attr.background_pixel = 0;
+    attr.border_pixel = 0;
+    attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+    attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+
+    win = XCreateWindow(dpy, root, /*x*/ 0, /*y*/ 0, 
+			/*width*/ 400, /*height*/ 400,
+			0, visinfo->depth, InputOutput,
+			visinfo->visual, 
+			CWBackPixel | CWBorderPixel | CWColormap | CWEventMask,
+			&attr);
+   
+    win2 = XCreateWindow(dpy, win, 0, 0,
+			 100, 100,
+			 0, visinfo->depth, InputOutput,
+			 visinfo->visual,
+			 CWBackPixel | CWBorderPixel | CWColormap | CWEventMask,
+			 &attr);
+
+    ctx = glXCreateContext(dpy, visinfo, NULL, True);
+    if(!ctx) {
+	fprintf(stderr, "error: glXCreateContext failed!\n");
+	return EXIT_FAILURE;
+    }
+    
+    XMapWindow(dpy, win);
+    XMapWindow(dpy, win2);
+
+    glXMakeCurrent(dpy, win, ctx);
+
+    event_loop(dpy);
+
+    return EXIT_SUCCESS;
+}
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