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#include <cogl/cogl.h>
#include <stdlib.h>
#include "test-utils.h"
#define FB_WIDTH 512
#define FB_HEIGHT 512
static gboolean cogl_test_is_verbose;
CoglContext *test_ctx;
CoglFramebuffer *test_fb;
void
test_utils_init (TestFlags flags)
{
static int counter = 0;
GError *error = NULL;
CoglOnscreen *onscreen = NULL;
CoglDisplay *display;
CoglRenderer *renderer;
gboolean missing_requirement = FALSE;
if (counter != 0)
g_critical ("We don't support running more than one test at a time\n"
"in a single test run due to the state leakage that can\n"
"cause subsequent tests to fail.\n"
"\n"
"If you want to run all the tests you should run\n"
"$ make test-report");
counter++;
if (g_getenv ("COGL_TEST_VERBOSE") || g_getenv ("V"))
cogl_test_is_verbose = TRUE;
if (g_getenv ("G_DEBUG"))
{
char *debug = g_strconcat (g_getenv ("G_DEBUG"), ",fatal-warnings", NULL);
g_setenv ("G_DEBUG", debug, TRUE);
g_free (debug);
}
else
g_setenv ("G_DEBUG", "fatal-warnings", TRUE);
g_setenv ("COGL_X11_SYNC", "1", 0);
test_ctx = cogl_context_new (NULL, &error);
if (!test_ctx)
g_critical ("Failed to create a CoglContext: %s", error->message);
display = cogl_context_get_display (test_ctx);
renderer = cogl_display_get_renderer (display);
if (flags & TEST_REQUIREMENT_GL &&
cogl_renderer_get_driver (renderer) != COGL_DRIVER_GL)
{
missing_requirement = TRUE;
}
if (flags & TEST_REQUIREMENT_NPOT &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT))
{
missing_requirement = TRUE;
}
if (flags & TEST_REQUIREMENT_TEXTURE_3D &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_3D))
{
missing_requirement = TRUE;
}
if (flags & TEST_REQUIREMENT_POINT_SPRITE &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_POINT_SPRITE))
{
missing_requirement = TRUE;
}
if (flags & TEST_KNOWN_FAILURE)
{
missing_requirement = TRUE;
}
if (getenv ("COGL_TEST_ONSCREEN"))
{
onscreen = cogl_onscreen_new (test_ctx, 640, 480);
test_fb = COGL_FRAMEBUFFER (onscreen);
}
else
{
CoglHandle offscreen;
CoglHandle tex = cogl_texture_2d_new_with_size (test_ctx,
FB_WIDTH, FB_HEIGHT,
COGL_PIXEL_FORMAT_ANY,
&error);
if (!tex)
g_critical ("Failed to allocate texture: %s", error->message);
offscreen = cogl_offscreen_new_to_texture (tex);
test_fb = COGL_FRAMEBUFFER (offscreen);
}
if (!cogl_framebuffer_allocate (test_fb, &error))
g_critical ("Failed to allocate framebuffer: %s", error->message);
if (onscreen)
cogl_onscreen_show (onscreen);
cogl_framebuffer_clear4f (test_fb,
COGL_BUFFER_BIT_COLOR |
COGL_BUFFER_BIT_DEPTH |
COGL_BUFFER_BIT_STENCIL,
0, 0, 0, 1);
if (missing_requirement)
g_print ("WARNING: Missing required feature[s] for this test\n");
}
void
test_utils_fini (void)
{
if (test_fb)
cogl_object_unref (test_fb);
if (test_ctx)
cogl_object_unref (test_ctx);
}
static gboolean
compare_component (int a, int b)
{
return ABS (a - b) <= 1;
}
void
test_utils_compare_pixel (const guint8 *screen_pixel, guint32 expected_pixel)
{
/* Compare each component with a small fuzz factor */
if (!compare_component (screen_pixel[0], expected_pixel >> 24) ||
!compare_component (screen_pixel[1], (expected_pixel >> 16) & 0xff) ||
!compare_component (screen_pixel[2], (expected_pixel >> 8) & 0xff))
{
guint32 screen_pixel_num = GUINT32_FROM_BE (*(guint32 *) screen_pixel);
char *screen_pixel_string =
g_strdup_printf ("#%06x", screen_pixel_num >> 8);
char *expected_pixel_string =
g_strdup_printf ("#%06x", expected_pixel >> 8);
g_assert_cmpstr (screen_pixel_string, ==, expected_pixel_string);
g_free (screen_pixel_string);
g_free (expected_pixel_string);
}
}
void
test_utils_check_pixel (CoglFramebuffer *fb,
int x, int y, guint32 expected_pixel)
{
guint8 pixel[4];
cogl_framebuffer_read_pixels (fb,
x, y, 1, 1,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
pixel);
test_utils_compare_pixel (pixel, expected_pixel);
}
void
test_utils_check_pixel_rgb (CoglFramebuffer *fb,
int x, int y, int r, int g, int b)
{
test_utils_check_pixel (fb, x, y, (r << 24) | (g << 16) | (b << 8));
}
void
test_utils_check_region (CoglFramebuffer *fb,
int x, int y,
int width, int height,
guint32 expected_rgba)
{
guint8 *pixels, *p;
pixels = p = g_malloc (width * height * 4);
cogl_framebuffer_read_pixels (fb,
x,
y,
width,
height,
COGL_PIXEL_FORMAT_RGBA_8888,
p);
/* Check whether the center of each division is the right color */
for (y = 0; y < height; y++)
for (x = 0; x < width; x++)
{
test_utils_compare_pixel (p, expected_rgba);
p += 4;
}
g_free (pixels);
}
CoglTexture *
test_utils_create_color_texture (CoglContext *context,
guint32 color)
{
CoglTexture2D *tex_2d;
color = GUINT32_TO_BE (color);
tex_2d = cogl_texture_2d_new_from_data (context,
1, 1, /* width/height */
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
4, /* rowstride */
(guint8 *) &color,
NULL);
return COGL_TEXTURE (tex_2d);
}
gboolean
cogl_test_verbose (void)
{
return cogl_test_is_verbose;
}
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