c3035c231d
For conformance tests that want to read back a region of pixels and check they all have the same color we now have a test_utils_check_region utility function for that. Reviewed-by: Neil Roberts <neil@linux.intel.com>
144 lines
4.0 KiB
C
144 lines
4.0 KiB
C
#include <cogl/cogl.h>
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#include <stdlib.h>
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#include "test-utils.h"
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#define FB_WIDTH 512
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#define FB_HEIGHT 512
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void
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test_utils_init (TestUtilsGTestFixture *fixture,
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const void *data)
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{
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TestUtilsSharedState *state = (TestUtilsSharedState *)data;
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static int counter = 0;
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GError *error = NULL;
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CoglOnscreen *onscreen = NULL;
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if (counter != 0)
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g_critical ("We don't support running more than one test at a time\n"
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"in a single test run due to the state leakage that can\n"
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"cause subsequent tests to fail.\n"
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"\n"
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"If you want to run all the tests you should run\n"
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"$ make test-report");
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counter++;
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g_setenv ("COGL_X11_SYNC", "1", 0);
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state->ctx = cogl_context_new (NULL, &error);
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if (!state->ctx)
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g_critical ("Failed to create a CoglContext: %s", error->message);
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if (getenv ("COGL_TEST_ONSCREEN"))
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{
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onscreen = cogl_onscreen_new (state->ctx, 640, 480);
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state->fb = COGL_FRAMEBUFFER (onscreen);
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}
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else
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{
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CoglHandle offscreen;
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CoglHandle tex = cogl_texture_2d_new_with_size (state->ctx,
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FB_WIDTH, FB_HEIGHT,
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COGL_PIXEL_FORMAT_ANY,
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&error);
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if (!tex)
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g_critical ("Failed to allocate texture: %s", error->message);
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offscreen = cogl_offscreen_new_to_texture (tex);
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state->fb = COGL_FRAMEBUFFER (offscreen);
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}
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if (!cogl_framebuffer_allocate (state->fb, &error))
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g_critical ("Failed to allocate framebuffer: %s", error->message);
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if (onscreen)
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cogl_onscreen_show (onscreen);
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cogl_framebuffer_clear4f (state->fb,
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COGL_BUFFER_BIT_COLOR |
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COGL_BUFFER_BIT_DEPTH |
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COGL_BUFFER_BIT_STENCIL,
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0, 0, 0, 1);
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cogl_push_framebuffer (state->fb);
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}
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void
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test_utils_fini (TestUtilsGTestFixture *fixture,
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const void *data)
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{
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const TestUtilsSharedState *state = (TestUtilsSharedState *)data;
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cogl_pop_framebuffer ();
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if (state->fb)
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cogl_object_unref (state->fb);
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if (state->ctx)
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cogl_object_unref (state->ctx);
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}
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void
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test_utils_check_pixel (int x, int y, guint32 expected_pixel)
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{
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guint32 pixel;
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char *screen_pixel;
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char *intended_pixel;
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cogl_read_pixels (x, y, 1, 1, COGL_READ_PIXELS_COLOR_BUFFER,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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(guint8 *) &pixel);
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screen_pixel = g_strdup_printf ("#%06x", GUINT32_FROM_BE (pixel) >> 8);
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intended_pixel = g_strdup_printf ("#%06x", expected_pixel >> 8);
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g_assert_cmpstr (screen_pixel, ==, intended_pixel);
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g_free (screen_pixel);
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g_free (intended_pixel);
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}
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void
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test_utils_check_pixel_rgb (int x, int y, int r, int g, int b)
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{
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test_utils_check_pixel (x, y, (r << 24) | (g << 16) | (b << 8));
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}
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void
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test_utils_check_region (int x, int y,
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int width, int height,
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guint32 expected_rgba)
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{
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guint32 reference = expected_rgba >> 8;
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guint8 *pixels, *p;
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pixels = p = g_malloc (width * height * 4);
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cogl_read_pixels (x,
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y,
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width,
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height,
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COGL_READ_PIXELS_COLOR_BUFFER,
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COGL_PIXEL_FORMAT_RGBA_8888,
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p);
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/* Check whether the center of each division is the right color */
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for (y = 0; y < height; y++)
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for (x = 0; x < width; x++)
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{
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guint32 current = GUINT32_FROM_BE (*((guint32 *)p)) >> 8;
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if (current != reference)
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{
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/* Ensure we have a meaningful error message... */
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char *screen_pixel = g_strdup_printf ("#%06x", current);
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char *intended_pixel = g_strdup_printf ("#%06x", reference);
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g_assert_cmpstr (screen_pixel, == ,intended_pixel);
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}
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p += 4;
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}
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g_free (pixels);
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}
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