mutter/tests/conform/test-utils.c
Robert Bragg 73e8a6d7ce Allow lazy texture storage allocation
Consistent with how we lazily allocate framebuffers this patch allows us
to instantiate textures but still specify constraints and requirements
before allocating storage so that we can be sure to allocate the most
appropriate/efficient storage.

This adds a cogl_texture_allocate() function that is analogous to
cogl_framebuffer_allocate() which can optionally be called to explicitly
allocate storage and catch any errors. If this function isn't used
explicitly then Cogl will implicitly ensure textures are allocated
before the storage is needed.

It is generally recommended to rely on lazy storage allocation or at
least perform explicit allocation as late as possible so Cogl can be
fully informed about the best way to allocate storage.

Reviewed-by: Neil Roberts <neil@linux.intel.com>

(cherry picked from commit 1fa7c0f10a8a03043e3c75cb079a49625df098b7)

Note: This reverts the cogl_texture_rectangle_new_with_size API change
that dropped the CoglError argument and keeps the semantics of
allocating the texture immediately. This is because Mutter currently
uses this API so we will probably look at updating this later once
we have a corresponding Mutter patch prepared. The other API changes
were kept since they only affected experimental api.
2013-01-22 17:48:17 +00:00

258 lines
6.9 KiB
C

#define COGL_ENABLE_EXPERIMENTAL_2_0_API
#include <cogl/cogl.h>
#include <stdlib.h>
#include "test-utils.h"
#define FB_WIDTH 512
#define FB_HEIGHT 512
static CoglBool cogl_test_is_verbose;
CoglContext *test_ctx;
CoglFramebuffer *test_fb;
static CoglBool
check_flags (TestFlags flags,
CoglRenderer *renderer)
{
if (flags & TEST_REQUIREMENT_GL &&
cogl_renderer_get_driver (renderer) != COGL_DRIVER_GL &&
cogl_renderer_get_driver (renderer) != COGL_DRIVER_GL3)
{
return FALSE;
}
if (flags & TEST_REQUIREMENT_NPOT &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT))
{
return FALSE;
}
if (flags & TEST_REQUIREMENT_TEXTURE_3D &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_3D))
{
return FALSE;
}
if (flags & TEST_REQUIREMENT_POINT_SPRITE &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_POINT_SPRITE))
{
return FALSE;
}
if (flags & TEST_REQUIREMENT_GLES2_CONTEXT &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_GLES2_CONTEXT))
{
return FALSE;
}
if (flags & TEST_REQUIREMENT_MAP_WRITE &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE))
{
return FALSE;
}
if (flags & TEST_REQUIREMENT_GLSL &&
!cogl_has_feature (test_ctx, COGL_FEATURE_ID_GLSL))
{
return FALSE;
}
if (flags & TEST_KNOWN_FAILURE)
{
return FALSE;
}
return TRUE;
}
void
test_utils_init (TestFlags requirement_flags,
TestFlags known_failure_flags)
{
static int counter = 0;
CoglError *error = NULL;
CoglOnscreen *onscreen = NULL;
CoglDisplay *display;
CoglRenderer *renderer;
CoglBool missing_requirement;
CoglBool known_failure;
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);
missing_requirement = !check_flags (requirement_flags, renderer);
known_failure = !check_flags (known_failure_flags, renderer);
if (getenv ("COGL_TEST_ONSCREEN"))
{
onscreen = cogl_onscreen_new (test_ctx, 640, 480);
test_fb = COGL_FRAMEBUFFER (onscreen);
}
else
{
CoglOffscreen *offscreen;
CoglTexture2D *tex = cogl_texture_2d_new_with_size (test_ctx,
FB_WIDTH, FB_HEIGHT,
COGL_PIXEL_FORMAT_ANY);
offscreen = cogl_offscreen_new_to_texture (COGL_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");
else if (known_failure)
g_print ("WARNING: Test is known to fail\n");
}
void
test_utils_fini (void)
{
if (test_fb)
cogl_object_unref (test_fb);
if (test_ctx)
cogl_object_unref (test_ctx);
}
static CoglBool
compare_component (int a, int b)
{
return ABS (a - b) <= 1;
}
void
test_utils_compare_pixel (const uint8_t *screen_pixel, uint32_t 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))
{
uint32_t screen_pixel_num = GUINT32_FROM_BE (*(uint32_t *) 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 *test_fb,
int x, int y, uint32_t expected_pixel)
{
uint8_t pixel[4];
cogl_framebuffer_read_pixels (test_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 *test_fb,
int x, int y, int r, int g, int b)
{
test_utils_check_pixel (test_fb, x, y, (r << 24) | (g << 16) | (b << 8));
}
void
test_utils_check_region (CoglFramebuffer *test_fb,
int x, int y,
int width, int height,
uint32_t expected_rgba)
{
uint8_t *pixels, *p;
pixels = p = g_malloc (width * height * 4);
cogl_framebuffer_read_pixels (test_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,
uint32_t 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 */
(uint8_t *) &color,
NULL);
return COGL_TEXTURE (tex_2d);
}
CoglBool
cogl_test_verbose (void)
{
return cogl_test_is_verbose;
}