From: Simon Glass Date: Fri, 19 Nov 2021 20:23:59 +0000 (-0700) Subject: video: theadorable: Use RGB565 for BMP blitting X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=4ea15482101bd2ef6d2086b1a8afb255de2e65e5;p=u-boot.git video: theadorable: Use RGB565 for BMP blitting At present this uses RGB555 format for blitting to a display. Sandbox uses 565 and that seems to be more normal for BMP as well. Update the code accordingly and add a test. Note that this likely breaks the theadorable board so we may need to discuss supporting both formats. Signed-off-by: Simon Glass --- diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index 5dffc704bd..4f413582fb 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -286,6 +286,7 @@ CONFIG_SANDBOX_OSD=y CONFIG_SPLASH_SCREEN_ALIGN=y CONFIG_VIDEO_BMP_RLE8=y CONFIG_BMP_16BPP=y +CONFIG_BMP_24BPP=y CONFIG_W1=y CONFIG_W1_GPIO=y CONFIG_W1_EEPROM=y diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig index f16d890048..4d5a73fce0 100644 --- a/configs/sandbox_flattree_defconfig +++ b/configs/sandbox_flattree_defconfig @@ -199,6 +199,7 @@ CONFIG_OSD=y CONFIG_SANDBOX_OSD=y CONFIG_VIDEO_BMP_RLE8=y CONFIG_BMP_16BPP=y +CONFIG_BMP_24BPP=y CONFIG_CMD_DHRYSTONE=y CONFIG_RSA_VERIFY_WITH_PKEY=y CONFIG_TPM=y diff --git a/drivers/video/video_bmp.c b/drivers/video/video_bmp.c index ba36589eff..1c61356765 100644 --- a/drivers/video/video_bmp.c +++ b/drivers/video/video_bmp.c @@ -338,9 +338,9 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y, for (i = 0; i < height; ++i) { for (j = 0; j < width; j++) { if (bpix == 16) { - /* 16bit 555RGB format */ - *(u16 *)fb = ((bmap[2] >> 3) << 10) | - ((bmap[1] >> 3) << 5) | + /* 16bit 565RGB format */ + *(u16 *)fb = ((bmap[2] >> 3) << 11) | + ((bmap[1] >> 2) << 5) | (bmap[0] >> 3); bmap += 3; fb += 2; diff --git a/test/dm/video.c b/test/dm/video.c index c496b05df7..4e76574a91 100644 --- a/test/dm/video.c +++ b/test/dm/video.c @@ -363,6 +363,52 @@ static int dm_test_video_bmp16(struct unit_test_state *uts) } DM_TEST(dm_test_video_bmp16, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); +/* Test drawing a 24bpp bitmap file on a 16bpp display */ +static int dm_test_video_bmp24(struct unit_test_state *uts) +{ + ulong src, src_len = ~0UL; + uint dst_len = ~0U; + struct udevice *dev; + ulong dst = 0x10000; + + ut_assertok(uclass_find_first_device(UCLASS_VIDEO, &dev)); + ut_assertnonnull(dev); + ut_assertok(sandbox_sdl_set_bpp(dev, VIDEO_BPP16)); + + ut_assertok(read_file(uts, "tools/logos/denx-24bpp.bmp.gz", &src)); + ut_assertok(gunzip(map_sysmem(dst, 0), dst_len, map_sysmem(src, 0), + &src_len)); + + ut_assertok(video_bmp_display(dev, dst, 0, 0, false)); + ut_asserteq(3656, compress_frame_buffer(uts, dev)); + + return 0; +} +DM_TEST(dm_test_video_bmp24, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test drawing a 24bpp bitmap file on a 32bpp display */ +static int dm_test_video_bmp24_32(struct unit_test_state *uts) +{ + ulong src, src_len = ~0UL; + uint dst_len = ~0U; + struct udevice *dev; + ulong dst = 0x10000; + + ut_assertok(uclass_find_first_device(UCLASS_VIDEO, &dev)); + ut_assertnonnull(dev); + ut_assertok(sandbox_sdl_set_bpp(dev, VIDEO_BPP32)); + + ut_assertok(read_file(uts, "tools/logos/denx-24bpp.bmp.gz", &src)); + ut_assertok(gunzip(map_sysmem(dst, 0), dst_len, map_sysmem(src, 0), + &src_len)); + + ut_assertok(video_bmp_display(dev, dst, 0, 0, false)); + ut_asserteq(6827, compress_frame_buffer(uts, dev)); + + return 0; +} +DM_TEST(dm_test_video_bmp24_32, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + /* Test drawing a bitmap file on a 32bpp display */ static int dm_test_video_bmp32(struct unit_test_state *uts) { diff --git a/tools/logos/denx-24bpp.bmp.gz b/tools/logos/denx-24bpp.bmp.gz new file mode 100644 index 0000000000..95b44d3195 Binary files /dev/null and b/tools/logos/denx-24bpp.bmp.gz differ