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([178.233.24.1]) by smtp.gmail.com with ESMTPSA id r11-20020a5d4e4b000000b00317b063590fsm12600049wrt.55.2023.08.21.06.51.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Aug 2023 06:51:28 -0700 (PDT) From: Alper Nebi Yasak To: u-boot@lists.denx.de Cc: Kever Yang , Jagan Teki , Andre Przywara , Svyatoslav Ryhel , Alexander Graf , Philipp Tomsich , Andrew Davis , Da Xue , Heinrich Schuchardt , Patrice Chotard , Patrick Delaunay , Derald Woods , Anatolij Gustschin , uboot-stm32@st-md-mailman.stormreply.com, Simon Glass , Matthias Brugger , u-boot-amlogic@groups.io, Ilias Apalodimas , Neil Armstrong , Alper Nebi Yasak Subject: [PATCH v5 03/13] video: test: Test partial updates of hardware frame buffer Date: Mon, 21 Aug 2023 16:51:00 +0300 Message-Id: <20230821135111.3558478-4-alpernebiyasak@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230821135111.3558478-1-alpernebiyasak@gmail.com> References: <20230821135111.3558478-1-alpernebiyasak@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean With VIDEO_COPY enabled, only the modified parts of the frame buffer are intended to be copied to the hardware. Add a test that checks this, by overwriting contents we prepared without telling the video uclass and then checking if the overwritten contents have been redrawn on the next sync. Signed-off-by: Alper Nebi Yasak Reviewed-by: Simon Glass --- Changes in v5: - Add patch "video: test: Test partial updates of hardware frame buffer" test/dm/video.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/test/dm/video.c b/test/dm/video.c index b9ff3da10c18..e4bd27a6b76f 100644 --- a/test/dm/video.c +++ b/test/dm/video.c @@ -657,3 +657,57 @@ static int dm_test_video_truetype_bs(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_video_truetype_bs, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test partial rendering onto hardware frame buffer */ +static int dm_test_video_copy(struct unit_test_state *uts) +{ + struct sandbox_sdl_plat *plat; + struct video_uc_plat *uc_plat; + struct udevice *dev, *con; + struct video_priv *priv; + const char *test_string = "\n\tCriticism may not be agreeable, but it is necessary.\t"; + ulong addr; + + if (!IS_ENABLED(CONFIG_VIDEO_COPY)) + return -EAGAIN; + + ut_assertok(uclass_find_first_device(UCLASS_VIDEO, &dev)); + ut_assertnonnull(dev); + uc_plat = dev_get_uclass_plat(dev); + uc_plat->hide_logo = true; + plat = dev_get_plat(dev); + plat->font_size = 32; + ut_assert(!device_active(dev)); + ut_assertok(uclass_first_device_err(UCLASS_VIDEO, &dev)); + ut_assertnonnull(dev); + priv = dev_get_uclass_priv(dev); + + ut_assertok(read_file(uts, "tools/logos/denx.bmp", &addr)); + ut_assertok(video_bmp_display(dev, addr, 0, 0, false)); + + ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); + vidconsole_put_string(con, "\n\n\n\n\n"); + vidconsole_put_string(con, test_string); + vidconsole_put_string(con, test_string); + + ut_asserteq(6678, compress_frame_buffer(uts, dev, false)); + ut_assertok(check_copy_frame_buffer(uts, dev)); + + /* + * Secretly clear the hardware frame buffer, but in a different + * color (black) to see which parts will be overwritten. + */ + memset(priv->copy_fb, 0, priv->fb_size); + + /* + * We should have the full content on the main buffer, but only + * the new content should have been copied to the copy buffer. + */ + vidconsole_put_string(con, test_string); + vidconsole_put_string(con, test_string); + ut_asserteq(7589, compress_frame_buffer(uts, dev, false)); + ut_asserteq(5278, compress_frame_buffer(uts, dev, true)); + + return 0; +} +DM_TEST(dm_test_video_copy, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);