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tests/igt_fb: rename igt_get_all_formats to igt_get_all_cairo_formats

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I recently had this discussion with Daniel where I didn't want to use
igt_drm_format_to_bpp() because it uses the format_desc array, and
igt_fb currently assumes that all the format_desc formats have a
matching valid Cairo format, so I wouldn't be able to easily add
formats such as ARGB2101010.

The function that has the assumption mentioned above is
igt_get_all_formats: its current users call igt_get_all_formats, and
then call cairo-dependent functions, such as igt_get_cairo_ctx on the
returned formats.

In order to document the current behavior and prevent any problems in
case we start adding new formats without matching Cairo versions to
format_desc, rename igt_get_all_formats to igt_get_all_cairo_formats
and make it explicitly check for CAIRO_FORMAT_INVALID.

Requested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni 2016-01-26 10:52:29 -02:00
parent 55229f173e
commit 7ca55f433c
4 changed files with 17 additions and 11 deletions
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22
lib/igt_fb.c
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@ -1141,28 +1141,34 @@ const char *igt_format_str(uint32_t drm_format)
}
/**
* igt_get_all_formats:
* igt_get_all_cairo_formats:
* @formats: pointer to pointer to store the allocated formats array
* @format_count: pointer to integer to store the size of the allocated array
*
* This functions returns an array of all the drm fourcc codes supported by this
* library.
* This functions returns an array of all the drm fourcc codes supported by
* cairo and this library.
*/
void igt_get_all_formats(const uint32_t **formats, int *format_count)
void igt_get_all_cairo_formats(const uint32_t **formats, int *format_count)
{
static uint32_t *drm_formats;
static int n_formats;
if (!drm_formats) {
struct format_desc_struct *f;
uint32_t *format;
drm_formats = calloc(ARRAY_SIZE(format_desc),
sizeof(*drm_formats));
n_formats = 0;
for_each_format(f)
if (f->cairo_id != CAIRO_FORMAT_INVALID)
n_formats++;
drm_formats = calloc(n_formats, sizeof(*drm_formats));
format = &drm_formats[0];
for_each_format(f)
*format++ = f->drm_id;
if (f->cairo_id != CAIRO_FORMAT_INVALID)
*format++ = f->drm_id;
}
*formats = drm_formats;
*format_count = ARRAY_SIZE(format_desc);
*format_count = n_formats;
}

2
lib/igt_fb.h
View File

@ -117,7 +117,7 @@ int igt_cairo_printf_line(cairo_t *cr, enum igt_text_align align,
uint32_t igt_bpp_depth_to_drm_format(int bpp, int depth);
uint32_t igt_drm_format_to_bpp(uint32_t drm_format);
const char *igt_format_str(uint32_t drm_format);
void igt_get_all_formats(const uint32_t **formats, int *format_count);
void igt_get_all_cairo_formats(const uint32_t **formats, int *format_count);
#endif /* __IGT_FB_H__ */

2
tests/kms_atomic.c
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@ -843,7 +843,7 @@ static uint32_t plane_get_igt_format(struct kms_atomic_plane_state *plane)
plane_kms = drmModeGetPlane(plane->state->desc->fd, plane->obj);
igt_assert(plane_kms);
igt_get_all_formats(&igt_formats, &num_igt_formats);
igt_get_all_cairo_formats(&igt_formats, &num_igt_formats);
for (i = 0; i < num_igt_formats; i++) {
int j;

2
tests/kms_render.c
View File

@ -173,7 +173,7 @@ static void test_connector(const char *test_name,
int format_count;
int i;
igt_get_all_formats(&formats, &format_count);
igt_get_all_cairo_formats(&formats, &format_count);
for (i = 0; i < format_count; i++) {
if (intel_gen(intel_get_drm_devid(drm_fd)) < 4
&& formats[i] == DRM_FORMAT_XRGB2101010) {