X-Git-Url: https://git.cworth.org/git?p=fips;a=blobdiff_plain;f=glxwrap.c;h=9a28d7d0f231cb395b818ceadee564e1a3767cca;hp=80ccf1afdb6ed7148b81f1a04a30cd628b58b4da;hb=2760598732e9c373f3331d7d125b580a224bbbe3;hpb=8468b2b9d524832211f8e20791a1459003a563ff

diff --git a/glxwrap.c b/glxwrap.c
index 80ccf1a..9a28d7d 100644
--- a/glxwrap.c
+++ b/glxwrap.c
@@ -21,97 +21,94 @@
 
 #include "fips.h"
 
+#include "fips-dispatch.h"
+
 #include <X11/Xlib.h>
 #include <GL/gl.h>
 #include <GL/glx.h>
 
-#include <sys/time.h>
-
 #include "dlwrap.h"
+#include "glwrap.h"
+#include "metrics.h"
+
+void
+glXSwapBuffers (Display *dpy, GLXDrawable drawable)
+{
+	GLWRAP_DEFER (glXSwapBuffers, dpy, drawable);
 
-typedef void (* fips_glXSwapBuffers_t)(Display *dpy, GLXDrawable drawable);
+	metrics_counter_stop ();
 
-static void *
-lookup (const char *name)
+	metrics_end_frame ();
+
+	metrics_counter_start ();
+}
+
+/* glXGetProcAddressARB is a function which accepts a string and
+ * returns a generic function pointer (which nominally accepts void and
+ * has void return type). Of course, the user is expected to cast the
+ * returned function pointer to a function pointer of the expected
+ * type.
+ */
+void (*glXGetProcAddressARB (const GLubyte *func))(void)
 {
-	const char *libgl_filename = "libGL.so.1";
-	static void *libgl_handle = NULL;
-
-	if (! libgl_handle) {
-		libgl_handle = dlwrap_real_dlopen (libgl_filename, RTLD_NOW | RTLD_DEEPBIND);
-		if (! libgl_handle) {
-			fprintf (stderr, "Error: Failed to dlopen %s\n",
-				 libgl_filename);
-			exit (1);
-		}
-	}
-
-	return dlwrap_real_dlsym (libgl_handle, name);
+	static void *libfips_handle = NULL;
+	void *ret;
+
+	if (libfips_handle == NULL)
+		libfips_handle = dlwrap_dlopen_libfips ();
+
+	/* If our library has this symbol, that's what we want to give. */
+	ret = dlwrap_real_dlsym (libfips_handle, (const char *) func);
+	if (ret)
+		return ret;
+
+	/* Otherwise, just defer to the real glXGetProcAddressARB. */
+	GLWRAP_DEFER_WITH_RETURN (ret, glXGetProcAddressARB, func);
+
+	return ret;
 }
 
-static void
-call_glXSwapBuffers (Display *dpy, GLXDrawable drawable)
+void (*glXGetProcAddress (const GLubyte *func))(void)
 {
-	static fips_glXSwapBuffers_t real_glXSwapBuffers = NULL;
-	const char *name = "glXSwapBuffers";
-
-	if (! real_glXSwapBuffers) {
-		real_glXSwapBuffers = (fips_glXSwapBuffers_t) lookup (name);
-		if (! real_glXSwapBuffers) {
-			fprintf (stderr, "Error: Failed to find function %s.\n",
-				 name);
-			return;
-		}
-	}
-	real_glXSwapBuffers (dpy, drawable);
-}	
+	/* This comment must not be removed. It ensures that the
+	 * glXGetProcAddress function ends up in our exported symbol
+	 * list even though there's not otherwise any code saying:
+	 *
+	 * GLWRAP_DEFER_WITH_RETURN (ret, glXGetProcAddress, func);
+	 */
+	return glXGetProcAddressARB(func);
+}
 
-void
-glXSwapBuffers (Display *dpy, GLXDrawable drawable)
+Bool
+glXMakeCurrent (Display *dpy, GLXDrawable drawable, GLXContext ctx)
 {
-	static int initialized = 0;
-	static int frames;
-	static struct timeval tv_start, tv_now;
+	Bool ret;
 
-	if (! initialized) {
-		frames = 0;
-		gettimeofday (&tv_start, NULL);
-		initialized = 1;
-	}
+	fips_dispatch_init (FIPS_API_GLX);
 
-	call_glXSwapBuffers (dpy, drawable);
+	GLWRAP_DEFER_WITH_RETURN (ret, glXMakeCurrent, dpy, drawable, ctx);
 
-	frames++;
-	if (frames % 60 == 0) {
-		double fps;
-		gettimeofday (&tv_now, NULL);
+	metrics_info_init ();
 
-		fps = (double) frames / (tv_now.tv_sec - tv_start.tv_sec +
-					 (tv_now.tv_usec - tv_start.tv_usec) / 1.0e6);
+	metrics_set_current_op (METRICS_OP_SHADER + 0);
+	metrics_counter_start ();
 
-		printf("FPS: %.3f\n", fps);
-	}
+	return ret;
 }
 
-
-typedef __GLXextFuncPtr (* fips_glXGetProcAddressARB_t)(const GLubyte *func);
-__GLXextFuncPtr
-glXGetProcAddressARB (const GLubyte *func)
+Bool
+glXMakeContextCurrent (Display *dpy, GLXDrawable drawable, GLXDrawable read, GLXContext ctx)
 {
-	static fips_glXGetProcAddressARB_t real_glXGetProcAddressARB = NULL;
-	const char *name = "glXGetProcAddressARB";
-
-	if (! real_glXGetProcAddressARB) {
-		real_glXGetProcAddressARB = (fips_glXGetProcAddressARB_t) lookup (name);
-		if (! real_glXGetProcAddressARB) {
-			fprintf (stderr, "Error: Failed to find function %s.\n",
-				 name);
-			return NULL;
-		}
-	}
-
-	if (strcmp ((const char *)func, "glXSwapBuffers") == 0)
-		return (__GLXextFuncPtr) glXSwapBuffers;
-	else
-		return real_glXGetProcAddressARB (func);
+	Bool ret;
+
+	fips_dispatch_init (FIPS_API_GLX);
+
+	GLWRAP_DEFER_WITH_RETURN (ret, glXMakeContextCurrent, dpy, drawable, read, ctx);
+
+	metrics_info_init ();
+
+	metrics_set_current_op (METRICS_OP_SHADER + 0);
+	metrics_counter_start ();
+
+	return ret;
 }