[igt-dev] [PATCH i-g-t, v2] tests/kms_cursor_crc: Add test to check extreme alpha values for cursor plane

Mamta Shukla
2019-01-09T21:32:43Z

Add test to check extreme alpha values i.e. fully opaque and fully transparent
for cursor plane and verify by calculating hardware and software CRC.

Signed-off-by: Mamta Shukla <mamtashukla555@gmail.com>
---
changes in v2:
1.Remove unnecessary new line.
2.Add functions to clear screen in test_cursor_alpha function.

tests/kms_cursor_crc.c | 80 ++++++++++++++++++++++++++++++++++++++----
1 file changed, 73 insertions(+), 7 deletions(-)

diff --git a/tests/kms_cursor_crc.c b/tests/kms_cursor_crc.c
index 1514e7f2..8c1ecc2b 100644
--- a/tests/kms_cursor_crc.c
+++ b/tests/kms_cursor_crc.c
@@ -65,7 +65,7 @@ typedef struct {
#define TEST_DPMS (1<<0)
#define TEST_SUSPEND (1<<1)

-static void draw_cursor(cairo_t *cr, int x, int y, int cw, int ch)
+static void draw_cursor(cairo_t *cr, int x, int y, int cw, int ch, double a)
{
int wl, wr, ht, hb;

@@ -80,10 +80,10 @@ static void draw_cursor(cairo_t *cr, int x, int y, int cw, int ch)
return;
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
/* 4 color rectangles in the corners, RGBY */
- igt_paint_color_alpha(cr, x, y, wl, ht, 1.0, 0.0, 0.0, 1.0);
- igt_paint_color_alpha(cr, x + wl, y, wr, ht, 0.0, 1.0, 0.0, 1.0);
- igt_paint_color_alpha(cr, x, y + ht, wl, hb, 0.0, 0.0, 1.0, 1.0);
- igt_paint_color_alpha(cr, x + wl, y + ht, wr, hb, 0.5, 0.5, 0.5, 1.0);
+ igt_paint_color_alpha(cr, x, y, wl, ht, 1.0, 0.0, 0.0, a);
+ igt_paint_color_alpha(cr, x + wl, y, wr, ht, 0.0, 1.0, 0.0, a);
+ igt_paint_color_alpha(cr, x, y + ht, wl, hb, 0.0, 0.0, 1.0, a);
+ igt_paint_color_alpha(cr, x + wl, y + ht, wr, hb, 0.5, 0.5, 0.5, a);
}

static void cursor_enable(data_t *data)
@@ -200,7 +200,7 @@ static void do_single_test(data_t *data, int x, int y)

/* Now render the same in software and collect crc */
cr = igt_get_cairo_ctx(data->drm_fd, &data->primary_fb);
- draw_cursor(cr, x, y, data->curw, data->curh);
+ draw_cursor(cr, x, y, data->curw, data->curh, 1.0);
igt_put_cairo_ctx(data->drm_fd, &data->primary_fb, cr);
igt_display_commit(display);

@@ -404,6 +404,64 @@ static void cleanup_crtc(data_t *data, igt_output_t *output)
igt_display_commit(display);
}

+static void test_cursor_alpha(data_t *data, double a)
+{
+ igt_display_t *display = &data->display;
+ igt_pipe_crc_t *pipe_crc = data->pipe_crc;
+ igt_crc_t crc, ref_crc;
+ cairo_t *cr;
+ uint32_t fb_id;
+ int curw=data->curw;
+ int curh=data->curh;
+
+ /*alpha cursor fb*/
+ fb_id = igt_create_color_fb(data->drm_fd, curw, curh,
+ DRM_FORMAT_ARGB8888,
+ LOCAL_DRM_FORMAT_MOD_NONE,
+ 1.0, 1.0, 1.0,
+ &data->fb);
+ igt_assert(fb_id);
+ cr = igt_get_cairo_ctx(data->drm_fd, &data->fb);
+ draw_cursor(cr, 0, 0, curw, curh, a);
+ igt_put_cairo_ctx(data->drm_fd, &data->fb, cr);
+
+ /*Hardware Test*/
+ cursor_enable(data);
+ igt_display_commit(display);
+ igt_wait_for_vblank(data->drm_fd, data->pipe);
+ igt_pipe_crc_collect_crc(pipe_crc, &crc);
+ cursor_disable(data);
+
+ /*Software Test*/
+ cr = igt_get_cairo_ctx(data->drm_fd, &data->primary_fb);
+ igt_paint_color_alpha(cr, 0, 0, curw, curh, 1.0, 1.0, 1.0, a);
+ igt_put_cairo_ctx(data->drm_fd, &data->primary_fb, cr);
+
+ igt_display_commit(display);
+ igt_wait_for_vblank(data->drm_fd, data->pipe);
+ igt_pipe_crc_collect_crc(pipe_crc, &ref_crc);
+ igt_assert_crc_equal(&crc, &ref_crc);
+
+ /*Clear Screen*/
+ cr = igt_get_cairo_ctx(data->drm_fd, &data->primary_fb);
+ igt_paint_color(cr, 0, 0, data->screenw, data->screenh,
+ 0.0, 0.0, 0.0);
+ igt_put_cairo_ctx(data->drm_fd, &data->primary_fb, cr);
+ igt_remove_fb(data->drm_fd, &data->fb);
+}
+
+static void test_cursor_transparent(data_t *data)
+{
+ test_cursor_alpha(data, 0.0);
+
+}
+
+static void test_cursor_opaque(data_t *data)
+{
+ test_cursor_alpha(data, 1.0);
+}
+
+
static void run_test(data_t *data, void (*testfunc)(data_t *), int cursor_w, int cursor_h)
{
igt_display_t *display = &data->display;
@@ -461,7 +519,7 @@ static void create_cursor_fb(data_t *data, int cur_w, int cur_h)
igt_assert(fb_id);

cr = igt_get_cairo_ctx(data->drm_fd, &data->fb);
- draw_cursor(cr, 0, 0, cur_w, cur_h);
+ draw_cursor(cr, 0, 0, cur_w, cur_h, 1.0);
igt_put_cairo_ctx(data->drm_fd, &data->fb, cr);
}

@@ -684,6 +742,14 @@ igt_main
igt_subtest_f("cursor-size-change")
run_test(&data, test_cursor_size, cursor_width, cursor_height);

+ igt_subtest_f("cursor-alpha-opaque") {
+ run_test(&data, test_cursor_opaque, cursor_width, cursor_height);
+ }
+
+ igt_subtest_f("cursor-alpha-transparent") {
+ run_test(&data, test_cursor_transparent, cursor_width, cursor_height);
+ }
+
run_test_generic(&data);

igt_fixture {
--
2.17.1