Beginning of replay program

4 files changed, 144 insertions, 31 deletions

diff --git a/trace/Makefile.am b/trace/Makefile.am
index 0694a79f..ed5557b0 100644
--- a/trace/Makefile.am
+++ b/trace/Makefile.am
@@ -3,3 +3,7 @@ libpixman_trace_la_SOURCES = pixman-trace.c
 INCLUDES = -I$(top_srcdir)/pixman -I$(top_builddir)/pixman $(PNG_CFLAGS)
 libpixman_trace_la_LIBADD = -ldl
 libpixman_trace_la_LDFLAGS = -no-undefined
+
+bin_PROGRAMS = pixman-replay
+
+pixman_replay_SOURCES = pixman-replay.c
\ No newline at end of file
diff --git a/trace/pixman-replay.c b/trace/pixman-replay.c
new file mode 100644
index 00000000..f6140659
--- /dev/null
+++ b/trace/pixman-replay.c
@@ -0,0 +1,109 @@
+#include <config.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <stdint.h>
+#include <unistd.h>
+#include "pixman-private.h"
+#include "trace.h"
+
+static uint8_t *
+map_file (const char *filename, size_t *length, char **error)
+{
+    int fd = open (filename, O_RDONLY);
+    struct stat statbuf;
+    uint8_t *buffer = NULL;
+    *error = NULL;
+
+    if (fd < 0)
+    {
+	*error = "Could not open file\n";
+	goto out;
+    }
+
+    if (fstat (fd, &statbuf) < 0)
+    {
+	*error = "Could not stat file\n";
+	goto out;
+    }
+
+    buffer = mmap (NULL, statbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+    if (buffer == MAP_FAILED)
+    {
+	*error = "Could not map file\n";
+	buffer = NULL;
+	goto out;
+    }
+
+    *length = statbuf.st_size;
+
+out:
+    close (fd);
+    return buffer;
+}
+
+static void
+pixman_replay (const char *filename)
+{
+    char *error;
+    uint32_t *buffer;
+    size_t length;
+
+    if (!(buffer = (uint32_t *)map_file (filename, &length, &error)))
+    {
+	printf ("%s\n", error);
+	return;
+    }
+
+    for (;;)
+    {
+	int32_t op = *buffer++;
+
+	switch (op)
+	{
+	case CREATE_SOLID_FILL:
+	case CREATE_LINEAR_GRADIENT:
+	case CREATE_RADIAL_GRADIENT:
+	case CREATE_CONICAL_GRADIENT:
+	case CREATE_BITS:
+	case DESTROY_IMAGE:
+	case SET_CLIP_REGION:
+	case SET_CLIP_REGION32:
+	case SET_HAS_CLIENT_CLIP:
+	case SET_TRANSFORM:
+	case SET_REPEAT:
+	case SET_FILTER:
+	case SET_SOURCE_CLIPPING:
+	case SET_ALPHA_MAP:
+	case SET_COMPONENT_ALPHA:
+	case SET_INDEXED:
+	case FILL_RECTANGLES:
+	case FILL_BOXES:
+	case COMPOSITE:
+	case COMPOSITE32:
+	case ADD_TRAPS:
+	case ADD_TRAPEZOIDS:
+	case RASTERIZE_TRAPEZOID:
+	case COMPOSITE_TRAPEZOIDS:
+	case COMPOSITE_TRIANGLES:
+	case ADD_TRIANGLES:
+	    break;
+	}
+    }
+
+    munmap (buffer, length);
+}
+
+int
+main (int argc, char **argv)
+{
+    if (argc != 2)
+    {
+	printf ("Usage: pixman-replay filename\n");
+	return -1;
+    }
+
+    pixman_replay (argv[1]);
+    return 0;
+}
diff --git a/trace/pixman-trace.c b/trace/pixman-trace.c
index 83b7c2bd..93eeef24 100644
--- a/trace/pixman-trace.c
+++ b/trace/pixman-trace.c
@@ -24,41 +24,11 @@
 #include <stdio.h>
 #include <config.h>
 #include "pixman-private.h"
+#include "trace.h"
 
 
 /* FIXME:  endianness */
 
-
-typedef enum
-{
-    CREATE_SOLID_FILL,
-    CREATE_LINEAR_GRADIENT,
-    CREATE_RADIAL_GRADIENT,
-    CREATE_CONICAL_GRADIENT,
-    CREATE_BITS,
-    DESTROY_IMAGE,
-    SET_CLIP_REGION,
-    SET_CLIP_REGION32,
-    SET_HAS_CLIENT_CLIP,
-    SET_TRANSFORM,
-    SET_REPEAT,
-    SET_FILTER,
-    SET_SOURCE_CLIPPING,
-    SET_ALPHA_MAP,
-    SET_COMPONENT_ALPHA,
-    SET_INDEXED,
-    FILL_RECTANGLES,
-    FILL_BOXES,
-    COMPOSITE,
-    COMPOSITE32,
-    ADD_TRAPS,
-    ADD_TRAPEZOIDS,
-    RASTERIZE_TRAPEZOID,
-    COMPOSITE_TRAPEZOIDS,
-    COMPOSITE_TRIANGLES,
-    ADD_TRIANGLES
-} opcode_t;
-
 /* This macro is lifted from cairo-trace, written by Chris Wilson */
 
 static void *_dlhandle = RTLD_NEXT;
diff --git a/trace/trace.h b/trace/trace.h
new file mode 100644
index 00000000..deb68f41
--- /dev/null
+++ b/trace/trace.h
@@ -0,0 +1,30 @@
+typedef enum
+{
+    CREATE_SOLID_FILL,
+    CREATE_LINEAR_GRADIENT,
+    CREATE_RADIAL_GRADIENT,
+    CREATE_CONICAL_GRADIENT,
+    CREATE_BITS,
+    DESTROY_IMAGE,
+    SET_CLIP_REGION,
+    SET_CLIP_REGION32,
+    SET_HAS_CLIENT_CLIP,
+    SET_TRANSFORM,
+    SET_REPEAT,
+    SET_FILTER,
+    SET_SOURCE_CLIPPING,
+    SET_ALPHA_MAP,
+    SET_COMPONENT_ALPHA,
+    SET_INDEXED,
+    FILL_RECTANGLES,
+    FILL_BOXES,
+    COMPOSITE,
+    COMPOSITE32,
+    ADD_TRAPS,
+    ADD_TRAPEZOIDS,
+    RASTERIZE_TRAPEZOID,
+    COMPOSITE_TRAPEZOIDS,
+    COMPOSITE_TRIANGLES,
+    ADD_TRIANGLES
+} opcode_t;
+