Add a test case for CoglTexturePixmapX11

tests/conform/Makefile.am

@@ -27,6 +27,7 @@ test_conformance_SOURCES = 		\
 	test-cogl-multitexture.c        \
 	test-cogl-texture-mipmaps.c     \
 	test-cogl-texture-rectangle.c   \
+	test-cogl-texture-pixmap-x11.c  \
 	test-cogl-wrap-modes.c          \
 	test-cogl-pixel-buffer.c	\
 	test-cogl-path.c		\

tests/conform/test-cogl-texture-pixmap-x11.c

@@ -0,0 +1,247 @@
+#include <clutter/clutter.h>
+
+#include "test-conform-common.h"
+
+static const ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
+
+#ifdef COGL_HAS_XLIB
+
+#include <clutter/x11/clutter-x11.h>
+/* This gets installed to a different location so a real application
+   would use <cogl/cogl-texture-pixmap-x11.h> */
+#include "cogl/winsys/cogl-texture-pixmap-x11.h"
+
+#define PIXMAP_WIDTH 512
+#define PIXMAP_HEIGHT 256
+#define GRID_SQUARE_SIZE 16
+
+/* Coordinates of a square that we'll update */
+#define PIXMAP_CHANGE_X 1
+#define PIXMAP_CHANGE_Y 1
+
+typedef struct _TestState
+{
+  ClutterActor *stage;
+  CoglHandle tfp;
+  Pixmap pixmap;
+  guint frame_count;
+  Display *display;
+} TestState;
+
+static Pixmap
+create_pixmap (TestState *state)
+{
+  Pixmap pixmap;
+  XGCValues gc_values = { 0, };
+  GC black_gc, white_gc;
+  int screen = DefaultScreen (state->display);
+  int x, y;
+
+  pixmap = XCreatePixmap (state->display,
+                          DefaultRootWindow (state->display),
+                          PIXMAP_WIDTH, PIXMAP_HEIGHT,
+                          DefaultDepth (state->display, screen));
+
+  gc_values.foreground = BlackPixel (state->display, screen);
+  black_gc = XCreateGC (state->display, pixmap, GCForeground, &gc_values);
+  gc_values.foreground = WhitePixel (state->display, screen);
+  white_gc = XCreateGC (state->display, pixmap, GCForeground, &gc_values);
+
+  /* Draw a grid of alternative black and white rectangles to the
+     pixmap */
+  for (y = 0; y < PIXMAP_HEIGHT / GRID_SQUARE_SIZE; y++)
+    for (x = 0; x < PIXMAP_WIDTH / GRID_SQUARE_SIZE; x++)
+      XFillRectangle (state->display, pixmap,
+                  ((x ^ y) & 1) ? black_gc : white_gc,
+                  x * GRID_SQUARE_SIZE,
+                  y * GRID_SQUARE_SIZE,
+                  GRID_SQUARE_SIZE,
+                  GRID_SQUARE_SIZE);
+
+  XFreeGC (state->display, black_gc);
+  XFreeGC (state->display, white_gc);
+
+  return pixmap;
+}
+
+static void
+update_pixmap (TestState *state)
+{
+  XGCValues gc_values = { 0, };
+  GC black_gc;
+  int screen = DefaultScreen (state->display);
+
+  gc_values.foreground = BlackPixel (state->display, screen);
+  black_gc = XCreateGC (state->display, state->pixmap,
+                        GCForeground, &gc_values);
+
+  /* Fill in one the rectangles with black */
+  XFillRectangle (state->display, state->pixmap,
+                  black_gc,
+                  PIXMAP_CHANGE_X * GRID_SQUARE_SIZE,
+                  PIXMAP_CHANGE_Y * GRID_SQUARE_SIZE,
+                  GRID_SQUARE_SIZE, GRID_SQUARE_SIZE);
+
+  XFreeGC (state->display, black_gc);
+}
+
+static gboolean
+check_paint (TestState *state, int x, int y, int scale)
+{
+  guint8 *data, *p, update_value = 0;
+
+  p = data = g_malloc (PIXMAP_WIDTH * PIXMAP_HEIGHT * 4);
+
+  cogl_read_pixels (x, y, PIXMAP_WIDTH / scale, PIXMAP_HEIGHT / scale,
+                    COGL_READ_PIXELS_COLOR_BUFFER,
+                    COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                    data);
+
+  for (y = 0; y < PIXMAP_HEIGHT / scale; y++)
+    for (x = 0; x < PIXMAP_WIDTH / scale; x++)
+      {
+        int grid_x = x * scale / GRID_SQUARE_SIZE;
+        int grid_y = y * scale / GRID_SQUARE_SIZE;
+
+        /* If this is the updatable square then we'll let it be either
+           color but we'll return which one it was */
+        if (grid_x == PIXMAP_CHANGE_X && grid_y == PIXMAP_CHANGE_Y)
+          {
+            if (x % (GRID_SQUARE_SIZE / scale) == 0 &&
+                y % (GRID_SQUARE_SIZE / scale) == 0)
+              update_value = *p;
+            else
+              g_assert_cmpint (p[0], ==, update_value);
+
+            g_assert (p[1] == update_value);
+            g_assert (p[2] == update_value);
+            p += 4;
+          }
+        else
+          {
+            guint8 value = ((grid_x ^ grid_y) & 1) ? 0x00 : 0xff;
+            g_assert_cmpint (*(p++), ==, value);
+            g_assert_cmpint (*(p++), ==, value);
+            g_assert_cmpint (*(p++), ==, value);
+            p++;
+          }
+      }
+
+  g_free (data);
+
+  return update_value == 0x00;
+}
+
+/* We skip these frames first */
+#define FRAME_COUNT_BASE 5
+/* First paint the tfp with no mipmaps */
+#define FRAME_COUNT_NORMAL 6
+/* Then use mipmaps */
+#define FRAME_COUNT_MIPMAP 7
+/* After this frame will start waiting for the pixmap to change */
+#define FRAME_COUNT_UPDATED 8
+
+static void
+on_paint (ClutterActor *actor, TestState *state)
+{
+  CoglHandle material;
+
+  material = cogl_material_new ();
+  cogl_material_set_layer (material, 0, state->tfp);
+  if (state->frame_count == FRAME_COUNT_MIPMAP)
+    {
+      const CoglMaterialFilter min_filter =
+        COGL_MATERIAL_FILTER_NEAREST_MIPMAP_NEAREST;
+      cogl_material_set_layer_filters (material, 0,
+                                       min_filter,
+                                       COGL_MATERIAL_FILTER_NEAREST);
+    }
+  else
+    cogl_material_set_layer_filters (material, 0,
+                                     COGL_MATERIAL_FILTER_NEAREST,
+                                     COGL_MATERIAL_FILTER_NEAREST);
+  cogl_set_source (material);
+
+  cogl_rectangle (0, 0, PIXMAP_WIDTH, PIXMAP_HEIGHT);
+
+  cogl_rectangle (0, PIXMAP_HEIGHT,
+                  PIXMAP_WIDTH / 4, PIXMAP_HEIGHT * 5 / 4);
+
+  if (state->frame_count >= 5)
+    {
+      gboolean big_updated, small_updated;
+
+      big_updated = check_paint (state, 0, 0, 1);
+      small_updated = check_paint (state, 0, PIXMAP_HEIGHT, 4);
+
+      g_assert (big_updated == small_updated);
+
+      if (state->frame_count < FRAME_COUNT_UPDATED)
+        g_assert (big_updated == FALSE);
+      else if (state->frame_count == FRAME_COUNT_UPDATED)
+        /* Change the pixmap and keep drawing until it updates */
+        update_pixmap (state);
+      else if (big_updated)
+        /* If we successfully got the update then the test is over */
+        clutter_main_quit ();
+    }
+
+  state->frame_count++;
+}
+
+static gboolean
+queue_redraw (gpointer stage)
+{
+  clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
+
+  return TRUE;
+}
+
+#endif /* COGL_HAS_XLIB */
+
+void
+test_cogl_texture_pixmap_x11 (TestConformSimpleFixture *fixture,
+                              gconstpointer data)
+{
+#ifdef COGL_HAS_XLIB
+
+  TestState state;
+  guint idle_handler;
+  guint paint_handler;
+
+  state.frame_count = 0;
+  state.stage = clutter_stage_get_default ();
+
+  state.display = clutter_x11_get_default_display ();
+
+  state.pixmap = create_pixmap (&state);
+  state.tfp = cogl_texture_pixmap_x11_new (state.pixmap, TRUE);
+
+  clutter_stage_set_color (CLUTTER_STAGE (state.stage), &stage_color);
+
+  paint_handler = g_signal_connect_after (state.stage, "paint",
+                                          G_CALLBACK (on_paint), &state);
+
+  idle_handler = g_idle_add (queue_redraw, state.stage);
+
+  clutter_actor_show_all (state.stage);
+
+  clutter_main ();
+
+  g_signal_handler_disconnect (state.stage, paint_handler);
+
+  g_source_remove (idle_handler);
+
+  XFreePixmap (state.display, state.pixmap);
+
+  if (g_test_verbose ())
+    g_print ("OK\n");
+
+#else /* COGL_HAS_XLIB */
+
+  if (g_test_verbose ())
+   g_print ("Skipping\n");
+
+#endif /* COGL_HAS_XLIB */
+}
+

tests/conform/test-conform-main.c

@@ -207,6 +207,7 @@ main (int argc, char **argv)
   TEST_CONFORM_SIMPLE ("/cogl/texture", test_cogl_pixel_buffer);
   TEST_CONFORM_SIMPLE ("/cogl/texture", test_cogl_texture_rectangle);
   TEST_CONFORM_SIMPLE ("/cogl/texture", test_cogl_wrap_modes);
+  TEST_CONFORM_SIMPLE ("/cogl/texture", test_cogl_texture_pixmap_x11);
 
   TEST_CONFORM_SIMPLE ("/cogl/vertex-buffer", test_cogl_vertex_buffer_contiguous);
   TEST_CONFORM_SIMPLE ("/cogl/vertex-buffer", test_cogl_vertex_buffer_interleved);