C++ (Cpp) xa_context_create примеры использования

Пример #1

Файл: xa_tracker.c Проект: nikai3d/mesa

struct xa_tracker *
xa_tracker_create(int drm_fd)
{
    struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
    enum xa_surface_type stype;
    unsigned int num_formats;

    if (!xa)
	return NULL;

    xa->screen = driver_descriptor.create_screen(drm_fd);
    if (!xa->screen)
	goto out_no_screen;

    xa->default_ctx = xa_context_create(xa);
    if (!xa->default_ctx)
	goto out_no_pipe;

    num_formats = 0;
    for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
	num_formats += num_preferred[stype];

    num_formats += 1;
    xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
    if (!xa->supported_formats)
	goto out_sf_alloc_fail;

    xa->supported_formats[0] = xa_format_unknown;
    num_formats = 1;
    memset(xa->format_map, 0, sizeof(xa->format_map));

    for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
	unsigned int bind = stype_bind[stype];
	enum xa_formats xa_format;
	int i;

	for (i = 0; i < num_preferred[stype]; ++i) {
	    xa_format = preferred[stype][i];

	    struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);

	    if (xa->screen->is_format_supported(xa->screen, fdesc.format,
						PIPE_TEXTURE_2D, 0, bind)) {
		if (xa->format_map[stype][0] == 0)
		    xa->format_map[stype][0] = num_formats;
		xa->format_map[stype][1] = num_formats;
		xa->supported_formats[num_formats++] = xa_format;
	    }
	}
    }
    return xa;

 out_sf_alloc_fail:
    xa_context_destroy(xa->default_ctx);
 out_no_pipe:
    xa->screen->destroy(xa->screen);
 out_no_screen:
    free(xa);
    return NULL;
}

Пример #2

Файл: xa_tracker.c Проект: krnowak/mesa

XA_EXPORT struct xa_tracker *
xa_tracker_create(int drm_fd)
{
    struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
    enum xa_surface_type stype;
    unsigned int num_formats;
    int loader_fd;

    if (!xa)
	return NULL;

#if GALLIUM_STATIC_TARGETS
    xa->screen = dd_create_screen(drm_fd);
    (void) loader_fd; /* silence unused var warning */
#else
    loader_fd = dup(drm_fd);
    if (loader_fd == -1)
        return NULL;
    if (pipe_loader_drm_probe_fd(&xa->dev, loader_fd))
	xa->screen = pipe_loader_create_screen(xa->dev, PIPE_SEARCH_DIR);
#endif
    if (!xa->screen)
	goto out_no_screen;

    xa->default_ctx = xa_context_create(xa);
    if (!xa->default_ctx)
	goto out_no_pipe;

    num_formats = 0;
    for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
	num_formats += num_preferred[stype];

    num_formats += 1;
    xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
    if (!xa->supported_formats)
	goto out_sf_alloc_fail;

    xa->supported_formats[0] = xa_format_unknown;
    num_formats = 1;
    memset(xa->format_map, 0, sizeof(xa->format_map));

    for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
	unsigned int bind = stype_bind[stype];
	enum xa_formats xa_format;
	int i;

	for (i = 0; i < num_preferred[stype]; ++i) {
	    xa_format = preferred[stype][i];

	    struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);

	    if (xa->screen->is_format_supported(xa->screen, fdesc.format,
						PIPE_TEXTURE_2D, 0, bind)) {
		if (xa->format_map[stype][0] == 0)
		    xa->format_map[stype][0] = num_formats;
		xa->format_map[stype][1] = num_formats;
		xa->supported_formats[num_formats++] = xa_format;
	    }
	}
    }
    return xa;

 out_sf_alloc_fail:
    xa_context_destroy(xa->default_ctx);
 out_no_pipe:
    xa->screen->destroy(xa->screen);
 out_no_screen:
#if !GALLIUM_STATIC_TARGETS
    if (xa->dev)
	pipe_loader_release(&xa->dev, 1);
#endif
    free(xa);
    return NULL;
}