mutter/tests/conform/test-pixel-buffer.c
Robert Bragg b5a7657076 Starts porting Cogl conformance tests from Clutter
This makes a start on porting the Cogl conformance tests that currently
still live in the Clutter repository to be standalone Cogl tests that no
longer require a ClutterStage.

The main thing is that this commit brings in is the basic testing
infrastructure we need, so now we can port more and more tests
incrementally.

Since the test suite wants a way to synchronize X requests/replies and
we can't simply call XSynchronize in the test-utils code before we know
if we are really running on X this adds a check for an environment
variable named "COGL_X11_SYNC" in cogl-xlib-renderer.c and if it's set
it forces XSynchronize (dpy, TRUE) to be called.

By default the conformance tests are run off screen. This makes the
tests run much faster and they also don't interfere with other work you
may want to do by constantly stealing focus. CoglOnscreen framebuffers
obviously don't get tested this way so it's important that the tests
also get run on screen every once in a while, especially if changes are
being made to CoglFramebuffer related code.  On screen testing can be
enabled by setting COGL_TEST_ONSCREEN=1 in your environment.
2011-09-08 15:48:07 +01:00

331 lines
8.4 KiB
C

#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include <string.h>
#include "test-conform-common.h"
#define TILE_SIZE 32.0f
enum
{
TILE_MAP,
TILE_SET_DATA,
NB_TILES,
TILE_SET_REGION,
};
typedef struct test_tile
{
ClutterColor color;
gfloat x, y;
CoglHandle buffer;
CoglHandle texture;
} TestTile;
static const ClutterColor
buffer_colors[] =
{
};
static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
typedef struct _TestState
{
ClutterActor *stage;
unsigned int frame;
TestTile *tiles;
} TestState;
static CoglHandle
create_texture_from_buffer (CoglHandle buffer)
{
CoglHandle texture;
texture = cogl_texture_new_from_buffer (buffer,
TILE_SIZE, TILE_SIZE,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888,
COGL_PIXEL_FORMAT_RGBA_8888,
TILE_SIZE * 4,
0);
g_assert (texture != COGL_INVALID_HANDLE);
return texture;
}
static void
create_map_tile (TestTile *tile)
{
CoglHandle buffer;
guchar *map;
unsigned int i;
unsigned int stride = 0;
guint8 *line;
buffer = cogl_pixel_array_new_with_size (TILE_SIZE,
TILE_SIZE,
COGL_PIXEL_FORMAT_RGBA_8888,
&stride);
g_assert (cogl_is_pixel_array (buffer));
g_assert (cogl_is_buffer (buffer));
cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_DYNAMIC);
g_assert_cmpint (cogl_buffer_get_update_hint (buffer),
==,
COGL_BUFFER_UPDATE_HINT_DYNAMIC);
map = cogl_buffer_map (buffer,
COGL_BUFFER_ACCESS_WRITE,
COGL_BUFFER_MAP_HINT_DISCARD);
g_assert (map);
line = g_alloca (TILE_SIZE * 4);
for (i = 0; i < TILE_SIZE * 4; i += 4)
memcpy (line + i, &tile->color, 4);
for (i = 0; i < TILE_SIZE; i++)
memcpy (map + stride * i, line, TILE_SIZE * 4);
cogl_buffer_unmap (buffer);
tile->buffer = buffer;
tile->texture = create_texture_from_buffer (tile->buffer);
}
#if 0
static void
create_set_region_tile (TestTile *tile)
{
CoglHandle buffer;
ClutterColor bottom_color;
unsigned int rowstride = 0;
guchar *data;
unsigned int i;
buffer = cogl_pixel_array_with_size (TILE_SIZE,
TILE_SIZE,
COGL_PIXEL_FORMAT_RGBA_8888,
&rowstride);
g_assert (cogl_is_pixel_array (buffer));
g_assert (cogl_is_buffer (buffer));
/* while at it, set/get the hint */
cogl_buffer_set_hint (buffer, COGL_BUFFER_HINT_STATIC_TEXTURE);
g_assert (cogl_buffer_get_hint (buffer) == COGL_BUFFER_HINT_STATIC_TEXTURE);
data = g_malloc (TILE_SIZE * TILE_SIZE * 4);
/* create a buffer with the data we want to copy to the buffer */
for (i = 0; i < TILE_SIZE * TILE_SIZE * 4; i += 4)
memcpy (data + i, &tile->color, 4);
cogl_pixel_array_set_region (buffer,
data,
TILE_SIZE, TILE_SIZE,
TILE_SIZE,
0, 0);
bottom_color.red = tile->color.red;
bottom_color.green = tile->color.blue;
bottom_color.blue = tile->color.green;
bottom_color.alpha = tile->color.alpha;
for (i = 0; i < TILE_SIZE / 2; i++)
memcpy (data + i, &bottom_color, 4);
cogl_buffer_set_data (buffer, data, 0, TILE_SIZE * TILE_SIZE * 4 / 2);
g_free (data);
tile->buffer = buffer;
tile->texture = create_texture_from_buffer (tile->buffer);
}
#endif
static void
create_set_data_tile (TestTile *tile)
{
CoglHandle buffer;
unsigned int rowstride = 0;
gboolean res;
guchar *data;
unsigned int i;
buffer = cogl_pixel_array_new_with_size (TILE_SIZE,
TILE_SIZE,
COGL_PIXEL_FORMAT_RGBA_8888,
&rowstride);
g_assert (cogl_is_pixel_array (buffer));
g_assert (cogl_is_buffer (buffer));
g_assert_cmpint (cogl_buffer_get_size (buffer), ==, rowstride * TILE_SIZE);
/* create a buffer with the data we want to copy to the buffer */
data = g_malloc (TILE_SIZE * TILE_SIZE * 4);
for (i = 0; i < TILE_SIZE * TILE_SIZE * 4; i += 4)
memcpy (data + i, &tile->color, 4);
/* FIXME: this doesn't consider the rowstride */
res = cogl_buffer_set_data (buffer, 0, data, TILE_SIZE * TILE_SIZE * 4);
g_assert (res);
g_free (data);
tile->buffer = buffer;
tile->texture = create_texture_from_buffer (tile->buffer);
}
static void
draw_frame (TestState *state)
{
unsigned int i;
/* Paint the textures */
for (i = 0; i < NB_TILES; i++)
{
cogl_set_source_texture (state->tiles[i].texture);
cogl_rectangle (state->tiles[i].x,
state->tiles[i].y,
state->tiles[i].x + TILE_SIZE,
state->tiles[i].y + TILE_SIZE);
}
}
static gboolean
validate_tile (TestState *state,
TestTile *tile)
{
int x, y;
guchar *pixels, *p;
p = pixels = clutter_stage_read_pixels (CLUTTER_STAGE (state->stage),
tile->x,
tile->y,
TILE_SIZE,
TILE_SIZE);
/* Check whether the center of each division is the right color */
for (y = 0; y < TILE_SIZE; y++)
for (x = 0; x < TILE_SIZE; x++)
{
if (p[0] != tile->color.red ||
p[1] != tile->color.green ||
p[2] != tile->color.blue ||
p[3] != tile->color.alpha)
{
return FALSE;
}
p += 4;
}
return TRUE;
}
static void
validate_result (TestState *state)
{
unsigned int i;
for (i = 0; i < NB_TILES; i++)
g_assert (validate_tile (state, &state->tiles[i]));
/* comment this if you want to see what's being drawn */
#if 1
clutter_main_quit ();
#endif
}
static void
on_paint (ClutterActor *actor, TestState *state)
{
int frame_num;
draw_frame (state);
/* XXX: validate_result calls clutter_stage_read_pixels which will result in
* another paint run so to avoid infinite recursion we only aim to validate
* the first frame. */
frame_num = state->frame++;
if (frame_num == 1)
validate_result (state);
}
static gboolean
queue_redraw (gpointer stage)
{
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
return TRUE;
}
void
test_cogl_pixel_array (TestUtilsGTestFixture *fixture,
void * data)
{
TestState state;
unsigned int idle_source;
unsigned int paint_handler, i;
static TestTile tiles[NB_TILES] =
{
/* color x y buffer tex */
/* MAP */
{ { 0xff, 0x00, 0x00, 0xff }, 0.0f, 0.0f, NULL, NULL },
#if 0
/* SET_REGION */
{ { 0x7e, 0x7e, 0xff, 0x7e }, 0.0f, TILE_SIZE, NULL, NULL },
#endif
/* SET_DATA */
{ { 0x7e, 0xff, 0x7e, 0xff }, 0.0f, TILE_SIZE, NULL, NULL }
};
state.frame = 0;
state.stage = clutter_stage_get_default ();
create_map_tile (&tiles[TILE_MAP]);
#if 0
create_set_region_tile (&tiles[TILE_SET_REGION]);
#endif
create_set_data_tile (&tiles[TILE_SET_DATA]);
state.tiles = tiles;
clutter_stage_set_color (CLUTTER_STAGE (state.stage), &stage_color);
/* We force continuous redrawing of the stage, since we need to skip
* the first few frames, and we wont be doing anything else that
* will trigger redrawing. */
idle_source = g_idle_add (queue_redraw, state.stage);
paint_handler = g_signal_connect_after (state.stage, "paint",
G_CALLBACK (on_paint), &state);
clutter_actor_show_all (state.stage);
clutter_main ();
g_source_remove (idle_source);
g_signal_handler_disconnect (state.stage, paint_handler);
for (i = 0; i < NB_TILES; i++)
{
cogl_handle_unref (state.tiles[i].buffer);
cogl_handle_unref (state.tiles[i].texture);
}
/* Remove all of the actors from the stage */
clutter_container_foreach (CLUTTER_CONTAINER (state.stage),
(ClutterCallback) clutter_actor_destroy,
NULL);
if (g_test_verbose ())
g_print ("OK\n");
}