add gl query example

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

3 files changed, 147 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 859d7be..764be5d 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ CFLAGS = -I . -g -O0 -Wall -std=c99 -lGL -lGLU -lm -D_BSD_SOURCE
 
 TARGETS = amd-gpu-name glgears glgears-box glgears-box-cstrealloc \
 	gltransformfeedback glclear-depth glgears-box-msaa glbigshader \
-	glgears-box2 glclear-depth2
+	glgears-box2 glclear-depth2 glquery
 
 all: $(TARGETS)
 
diff --git a/glquery.c b/glquery.c
new file mode 100644
index 0000000..5e64490
--- /dev/null
+++ b/glquery.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+static GLuint OccQuery;
+
+
+static void Init(void)
+{
+   if (!glutExtensionSupported("GL_ARB_occlusion_query")) {
+      fprintf(stderr, "Sorry, this program requires GL_ARB_occlusion_query\n");
+      exit(1);
+   }
+
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+
+   glGenQueriesARB(1, &OccQuery);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+    exit(1);
+      default:
+    break;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   GLuint passed;
+   GLint ready;
+
+   glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); 
+
+   glEnable(GL_DEPTH_TEST);
+
+   glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glEndQueryARB(GL_SAMPLES_PASSED_ARB);
+
+   do {
+      /* do useful work here, if any */
+      glGetQueryObjectivARB(OccQuery, GL_QUERY_RESULT_AVAILABLE_ARB, &ready);
+   } while (!ready);
+   glGetQueryObjectuivARB(OccQuery, GL_QUERY_RESULT_ARB, &passed);
+
+   fprintf(stderr, " %d Fragments Visible\n", passed);
+
+   glFlush();
+
+   glutSwapBuffers();
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+    exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+    if (glutCreateWindow(*argv) == GL_FALSE) {
+    exit(1);
+    }
+
+    glewInit();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    Reshape(250, 250);
+    glutMainLoop();
+    return 0;
+}
diff --git a/run.sh b/run.sh
index 91e47fb..6295ced 100755
--- a/run.sh
+++ b/run.sh
@@ -5,7 +5,7 @@ rdb_name=`echo $output | cut --delimiter='-' -f1`
 for i in `find ./ -name 'gl*' -executable` ; do
     e=`basename $i`
     echo $e
-    sudo gdb -batch -x fglrx-trace-cs.gdb --args $i > .tmp  2>&1
+    sudo gdb -batch -x fglrx-trace-cs.gdb --args $i -auto > .tmp  2>&1
     ~/git/rdb/rdb_annotateib ~/git/rdb/$rdb_name.rdb .tmp > $output-$e.txt
     sudo rm .tmp*
 done