From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39133) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1egrFp-0004da-Jm for qemu-devel@nongnu.org; Wed, 31 Jan 2018 07:12:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1egrFj-00084Q-Nu for qemu-devel@nongnu.org; Wed, 31 Jan 2018 07:12:41 -0500 Received: from mx1.redhat.com ([209.132.183.28]:47560) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1egrFj-000845-IM for qemu-devel@nongnu.org; Wed, 31 Jan 2018 07:12:35 -0500 From: Gerd Hoffmann Date: Wed, 31 Jan 2018 13:12:15 +0100 Message-Id: <20180131121217.13557-4-kraxel@redhat.com> In-Reply-To: <20180131121217.13557-1-kraxel@redhat.com> References: <20180131121217.13557-1-kraxel@redhat.com> Subject: [Qemu-devel] [RfC PATCH v2 3/5] ui/pixman: add qemu_drm_format_to_pixman() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Alex Williamson , Tina Zhang , intel-gvt-dev@lists.freedesktop.org, Kirti Wankhede , Gerd Hoffmann Map drm fourcc codes to pixman formats. Signed-off-by: Gerd Hoffmann --- include/ui/qemu-pixman.h | 5 +++++ ui/qemu-pixman.c | 22 ++++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index 4a67e01232..b7c82d17fc 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -33,6 +33,8 @@ # define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8 # define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8 # define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8 +# define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8 +# define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8 #else # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8 @@ -44,6 +46,8 @@ # define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8 # define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8 # define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8 +# define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8 +# define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8 #endif @@ -51,6 +55,7 @@ PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); +pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); int qemu_pixman_get_type(int rshift, int gshift, int bshift); pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); bool qemu_pixman_check_format(DisplayChangeListener *dcl, diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index 6e591ab821..3e52abd92d 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -6,6 +6,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "ui/console.h" +#include "standard-headers/drm/drm_fourcc.h" PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format) { @@ -88,6 +89,27 @@ pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian) return 0; } +/* Note: drm is little endian, pixman is native endian */ +pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format) +{ + static const struct { + uint32_t drm_format; + pixman_format_code_t pixman; + } map[] = { + { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 }, + { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 }, + { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 } + }; + int i; + + for (i = 0; i < ARRAY_SIZE(map); i++) { + if (drm_format == map[i].drm_format) { + return map[i].pixman; + } + } + return 0; +} + int qemu_pixman_get_type(int rshift, int gshift, int bshift) { int type = PIXMAN_TYPE_OTHER; -- 2.9.3