From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3A50EC4332F for ; Tue, 20 Dec 2022 16:11:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2580A10E0AE; Tue, 20 Dec 2022 16:11:54 +0000 (UTC) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id C522310E0AE for ; Tue, 20 Dec 2022 16:11:52 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 6FAE14D368; Tue, 20 Dec 2022 16:11:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1671552711; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KlLRYNSoqKLhPZvjLbzFGcXR/IW0QxHVTkoz6sDwAIE=; b=pEkME69D0p8j++05mD8tN1+001l7RnM2KfeoXTgHDA2nAl7Y0SK3r9KSCDMjQJ0tVhOS78 /Y7KfMBMvR1nmDq4ezRFqa2humBhshY2tZ72FqBYBTa+5iyRhqMXKdk3Z0f3Kz2o2676/c rpUh4aYpY1AOUUhujdeSPa02dve9R6A= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1671552711; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KlLRYNSoqKLhPZvjLbzFGcXR/IW0QxHVTkoz6sDwAIE=; b=JCkHMSXbkGaFASjaltEZXvVP5gSH8DYAj5TKbrwm7tWQjAQID01GvI3g5DZJIX/Dj7qVVr DzEhH3mlF1vjkvAA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 3CE1213910; Tue, 20 Dec 2022 16:11:51 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 4IrwDcfeoWMiZQAAMHmgww (envelope-from ); Tue, 20 Dec 2022 16:11:51 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, airlied@gmail.com, javierm@redhat.com, jose.exposito89@gmail.com, mairacanal@riseup.net, mripard@kernel.org, maarten.lankhorst@linux.intel.com Subject: [PATCH v2 09/13] drm/format-helper: Add conversion from XRGB8888 to 15-bit RGB555 formats Date: Tue, 20 Dec 2022 17:11:41 +0100 Message-Id: <20221220161145.27568-10-tzimmermann@suse.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221220161145.27568-1-tzimmermann@suse.de> References: <20221220161145.27568-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add conversion from XRGB8888 to XRGB1555, ARGB1555 and RGBA5551, which are the formats currently supported by the simplefb infrastructure. The new helpers allow the output of XRGB8888 framebuffers to firmware scanout buffers in one of the 15-bit formats. v2: * test 15-bit results with local endianness (Jose) Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/drm_format_helper.c | 164 +++++++++++++++ .../gpu/drm/tests/drm_format_helper_test.c | 189 ++++++++++++++++++ include/drm/drm_format_helper.h | 9 + 3 files changed, 362 insertions(+) diff --git a/drivers/gpu/drm/drm_format_helper.c b/drivers/gpu/drm/drm_format_helper.c index 3767213ba97d..1cedfe02fadf 100644 --- a/drivers/gpu/drm/drm_format_helper.c +++ b/drivers/gpu/drm/drm_format_helper.c @@ -396,6 +396,161 @@ void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pi } EXPORT_SYMBOL(drm_fb_xrgb8888_to_rgb565); +static void drm_fb_xrgb8888_to_xrgb1555_line(void *dbuf, const void *sbuf, unsigned int pixels) +{ + u16 *dbuf16 = dbuf; + const __le32 *sbuf32 = sbuf; + unsigned int x; + u16 val16; + u32 pix; + + for (x = 0; x < pixels; x++) { + pix = le32_to_cpu(sbuf32[x]); + val16 = ((pix & 0x00f80000) >> 9) | + ((pix & 0x0000f800) >> 6) | + ((pix & 0x000000f8) >> 3); + dbuf16[x] = cpu_to_le16(val16); + } +} + +/** + * drm_fb_xrgb8888_to_xrgb1555 - Convert XRGB8888 to XRGB1555 clip buffer + * @dst: Array of XRGB1555 destination buffers + * @dst_pitch: Array of numbers of bytes between the start of two consecutive scanlines + * within @dst; can be NULL if scanlines are stored next to each other. + * @src: Array of XRGB8888 source buffer + * @fb: DRM framebuffer + * @clip: Clip rectangle area to copy + * + * This function copies parts of a framebuffer to display memory and converts + * the color format during the process. The parameters @dst, @dst_pitch and + * @src refer to arrays. Each array must have at least as many entries as + * there are planes in @fb's format. Each entry stores the value for the + * format's respective color plane at the same index. + * + * This function does not apply clipping on @dst (i.e. the destination is at the + * top-left corner). + * + * Drivers can use this function for XRGB1555 devices that don't support + * XRGB8888 natively. + */ +void drm_fb_xrgb8888_to_xrgb1555(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip) +{ + static const u8 dst_pixsize[DRM_FORMAT_MAX_PLANES] = { + 2, + }; + + drm_fb_xfrm(dst, dst_pitch, dst_pixsize, src, fb, clip, false, + drm_fb_xrgb8888_to_xrgb1555_line); +} +EXPORT_SYMBOL(drm_fb_xrgb8888_to_xrgb1555); + +static void drm_fb_xrgb8888_to_argb1555_line(void *dbuf, const void *sbuf, unsigned int pixels) +{ + u16 *dbuf16 = dbuf; + const __le32 *sbuf32 = sbuf; + unsigned int x; + u16 val16; + u32 pix; + + for (x = 0; x < pixels; x++) { + pix = le32_to_cpu(sbuf32[x]); + val16 = BIT(15) | /* set alpha bit */ + ((pix & 0x00f80000) >> 9) | + ((pix & 0x0000f800) >> 6) | + ((pix & 0x000000f8) >> 3); + dbuf16[x] = cpu_to_le16(val16); + } +} + +/** + * drm_fb_xrgb8888_to_argb1555 - Convert XRGB8888 to ARGB1555 clip buffer + * @dst: Array of ARGB1555 destination buffers + * @dst_pitch: Array of numbers of bytes between the start of two consecutive scanlines + * within @dst; can be NULL if scanlines are stored next to each other. + * @src: Array of XRGB8888 source buffer + * @fb: DRM framebuffer + * @clip: Clip rectangle area to copy + * + * This function copies parts of a framebuffer to display memory and converts + * the color format during the process. The parameters @dst, @dst_pitch and + * @src refer to arrays. Each array must have at least as many entries as + * there are planes in @fb's format. Each entry stores the value for the + * format's respective color plane at the same index. + * + * This function does not apply clipping on @dst (i.e. the destination is at the + * top-left corner). + * + * Drivers can use this function for ARGB1555 devices that don't support + * XRGB8888 natively. It sets an opaque alpha channel as part of the conversion. + */ +void drm_fb_xrgb8888_to_argb1555(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip) +{ + static const u8 dst_pixsize[DRM_FORMAT_MAX_PLANES] = { + 2, + }; + + drm_fb_xfrm(dst, dst_pitch, dst_pixsize, src, fb, clip, false, + drm_fb_xrgb8888_to_argb1555_line); +} +EXPORT_SYMBOL(drm_fb_xrgb8888_to_argb1555); + +static void drm_fb_xrgb8888_to_rgba5551_line(void *dbuf, const void *sbuf, unsigned int pixels) +{ + u16 *dbuf16 = dbuf; + const __le32 *sbuf32 = sbuf; + unsigned int x; + u16 val16; + u32 pix; + + for (x = 0; x < pixels; x++) { + pix = le32_to_cpu(sbuf32[x]); + val16 = ((pix & 0x00f80000) >> 8) | + ((pix & 0x0000f800) >> 5) | + ((pix & 0x000000f8) >> 2) | + BIT(0); /* set alpha bit */ + dbuf16[x] = cpu_to_le16(val16); + } +} + +/** + * drm_fb_xrgb8888_to_rgba5551 - Convert XRGB8888 to RGBA5551 clip buffer + * @dst: Array of RGBA5551 destination buffers + * @dst_pitch: Array of numbers of bytes between the start of two consecutive scanlines + * within @dst; can be NULL if scanlines are stored next to each other. + * @src: Array of XRGB8888 source buffer + * @fb: DRM framebuffer + * @clip: Clip rectangle area to copy + * + * This function copies parts of a framebuffer to display memory and converts + * the color format during the process. The parameters @dst, @dst_pitch and + * @src refer to arrays. Each array must have at least as many entries as + * there are planes in @fb's format. Each entry stores the value for the + * format's respective color plane at the same index. + * + * This function does not apply clipping on @dst (i.e. the destination is at the + * top-left corner). + * + * Drivers can use this function for RGBA5551 devices that don't support + * XRGB8888 natively. It sets an opaque alpha channel as part of the conversion. + */ +void drm_fb_xrgb8888_to_rgba5551(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip) +{ + static const u8 dst_pixsize[DRM_FORMAT_MAX_PLANES] = { + 2, + }; + + drm_fb_xfrm(dst, dst_pitch, dst_pixsize, src, fb, clip, false, + drm_fb_xrgb8888_to_rgba5551_line); +} +EXPORT_SYMBOL(drm_fb_xrgb8888_to_rgba5551); + static void drm_fb_xrgb8888_to_rgb888_line(void *dbuf, const void *sbuf, unsigned int pixels) { u8 *dbuf8 = dbuf; @@ -763,6 +918,15 @@ int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t d if (dst_format == DRM_FORMAT_RGB565) { drm_fb_xrgb8888_to_rgb565(dst, dst_pitch, src, fb, clip, false); return 0; + } else if (dst_format == DRM_FORMAT_XRGB1555) { + drm_fb_xrgb8888_to_xrgb1555(dst, dst_pitch, src, fb, clip); + return 0; + } else if (dst_format == DRM_FORMAT_ARGB1555) { + drm_fb_xrgb8888_to_argb1555(dst, dst_pitch, src, fb, clip); + return 0; + } else if (dst_format == DRM_FORMAT_RGBA5551) { + drm_fb_xrgb8888_to_rgba5551(dst, dst_pitch, src, fb, clip); + return 0; } else if (dst_format == DRM_FORMAT_RGB888) { drm_fb_xrgb8888_to_rgb888(dst, dst_pitch, src, fb, clip); return 0; diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c index de3aa252e8eb..f71dc0fe08a1 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -32,6 +32,21 @@ struct convert_to_rgb565_result { const u16 expected_swab[TEST_BUF_SIZE]; }; +struct convert_to_xrgb1555_result { + unsigned int dst_pitch; + const u16 expected[TEST_BUF_SIZE]; +}; + +struct convert_to_argb1555_result { + unsigned int dst_pitch; + const u16 expected[TEST_BUF_SIZE]; +}; + +struct convert_to_rgba5551_result { + unsigned int dst_pitch; + const u16 expected[TEST_BUF_SIZE]; +}; + struct convert_to_rgb888_result { unsigned int dst_pitch; const u8 expected[TEST_BUF_SIZE]; @@ -60,6 +75,9 @@ struct convert_xrgb8888_case { struct convert_to_gray8_result gray8_result; struct convert_to_rgb332_result rgb332_result; struct convert_to_rgb565_result rgb565_result; + struct convert_to_xrgb1555_result xrgb1555_result; + struct convert_to_argb1555_result argb1555_result; + struct convert_to_rgba5551_result rgba5551_result; struct convert_to_rgb888_result rgb888_result; struct convert_to_argb8888_result argb8888_result; struct convert_to_xrgb2101010_result xrgb2101010_result; @@ -85,6 +103,18 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .expected = { 0xF800 }, .expected_swab = { 0x00F8 }, }, + .xrgb1555_result = { + .dst_pitch = 0, + .expected = { 0x7C00 }, + }, + .argb1555_result = { + .dst_pitch = 0, + .expected = { 0xFC00 }, + }, + .rgba5551_result = { + .dst_pitch = 0, + .expected = { 0xF801 }, + }, .rgb888_result = { .dst_pitch = 0, .expected = { 0x00, 0x00, 0xFF }, @@ -123,6 +153,18 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .expected = { 0xF800 }, .expected_swab = { 0x00F8 }, }, + .xrgb1555_result = { + .dst_pitch = 0, + .expected = { 0x7C00 }, + }, + .argb1555_result = { + .dst_pitch = 0, + .expected = { 0xFC00 }, + }, + .rgba5551_result = { + .dst_pitch = 0, + .expected = { 0xF801 }, + }, .rgb888_result = { .dst_pitch = 0, .expected = { 0x00, 0x00, 0xFF }, @@ -188,6 +230,33 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0xE0FF, 0xFF07, }, }, + .xrgb1555_result = { + .dst_pitch = 0, + .expected = { + 0x7FFF, 0x0000, + 0x7C00, 0x03E0, + 0x001F, 0x7C1F, + 0x7FE0, 0x03FF, + }, + }, + .argb1555_result = { + .dst_pitch = 0, + .expected = { + 0xFFFF, 0x8000, + 0xFC00, 0x83E0, + 0x801F, 0xFC1F, + 0xFFE0, 0x83FF, + }, + }, + .rgba5551_result = { + .dst_pitch = 0, + .expected = { + 0xFFFF, 0x0001, + 0xF801, 0x07C1, + 0x003F, 0xF83F, + 0xFFC1, 0x07FF, + }, + }, .rgb888_result = { .dst_pitch = 0, .expected = { @@ -264,6 +333,30 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0x00A8, 0x8E6B, 0x330A, 0x0000, 0x0000, }, }, + .xrgb1555_result = { + .dst_pitch = 10, + .expected = { + 0x0513, 0x0920, 0x5400, 0x0000, 0x0000, + 0x35CE, 0x0513, 0x0920, 0x0000, 0x0000, + 0x5400, 0x35CE, 0x0513, 0x0000, 0x0000, + }, + }, + .argb1555_result = { + .dst_pitch = 10, + .expected = { + 0x8513, 0x8920, 0xD400, 0x0000, 0x0000, + 0xB5CE, 0x8513, 0x8920, 0x0000, 0x0000, + 0xD400, 0xB5CE, 0x8513, 0x0000, 0x0000, + }, + }, + .rgba5551_result = { + .dst_pitch = 10, + .expected = { + 0x0A27, 0x1241, 0xA801, 0x0000, 0x0000, + 0x6B9D, 0x0A27, 0x1241, 0x0000, 0x0000, + 0xA801, 0x6B9D, 0x0A27, 0x0000, 0x0000, + }, + }, .rgb888_result = { .dst_pitch = 15, .expected = { @@ -476,6 +569,99 @@ static void drm_test_fb_xrgb8888_to_rgb565(struct kunit *test) KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected_swab, dst_size), 0); } +static void drm_test_fb_xrgb8888_to_xrgb1555(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_xrgb1555_result *result = ¶ms->xrgb1555_result; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_XRGB1555, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_xrgb1555(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); +} + +static void drm_test_fb_xrgb8888_to_argb1555(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_argb1555_result *result = ¶ms->argb1555_result; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_ARGB1555, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_argb1555(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); +} + +static void drm_test_fb_xrgb8888_to_rgba5551(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_rgba5551_result *result = ¶ms->rgba5551_result; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_RGBA5551, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_rgba5551(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); +} + static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test) { const struct convert_xrgb8888_case *params = test->param_value; @@ -607,6 +793,9 @@ static struct kunit_case drm_format_helper_test_cases[] = { KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_gray8, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb332, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb565, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb1555, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb1555, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgba5551, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb888, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb8888, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010, convert_xrgb8888_gen_params), diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h index 10b2d19cdb66..2d04f5863722 100644 --- a/include/drm/drm_format_helper.h +++ b/include/drm/drm_format_helper.h @@ -30,6 +30,15 @@ void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pi void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch, const struct iosys_map *src, const struct drm_framebuffer *fb, const struct drm_rect *clip, bool swab); +void drm_fb_xrgb8888_to_xrgb1555(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip); +void drm_fb_xrgb8888_to_argb1555(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip); +void drm_fb_xrgb8888_to_rgba5551(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip); void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch, const struct iosys_map *src, const struct drm_framebuffer *fb, const struct drm_rect *clip); -- 2.39.0