From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42914) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxEuA-0002xJ-4T for qemu-devel@nongnu.org; Wed, 18 Jun 2014 08:24:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WxEu2-0005z3-0m for qemu-devel@nongnu.org; Wed, 18 Jun 2014 08:23:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:5129) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxEu1-0005yp-Ng for qemu-devel@nongnu.org; Wed, 18 Jun 2014 08:23:45 -0400 From: Gerd Hoffmann Date: Wed, 18 Jun 2014 14:23:25 +0200 Message-Id: <1403094208-26235-2-git-send-email-kraxel@redhat.com> In-Reply-To: <1403094208-26235-1-git-send-email-kraxel@redhat.com> References: <1403094208-26235-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH 1/4] console: add qemu_pixelformat_from_pixman List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gerd Hoffmann , Anthony Liguori Function to convert pixman format to qemu PixelFormat. Signed-off-by: Gerd Hoffmann --- include/ui/qemu-pixman.h | 1 + ui/qemu-pixman.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index ba970f8..090a3e2 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -33,6 +33,7 @@ /* -------------------------------------------------------------------- */ +PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); int qemu_pixman_get_type(int rshift, int gshift, int bshift); pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index 254bd8c..bcddc04 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -6,6 +6,61 @@ #include "qemu-common.h" #include "ui/console.h" +PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format) +{ + PixelFormat pf; + + pf.bits_per_pixel = PIXMAN_FORMAT_BPP(format); + pf.bytes_per_pixel = PIXMAN_FORMAT_BPP(format) / 8; + pf.depth = PIXMAN_FORMAT_DEPTH(format); + + pf.abits = PIXMAN_FORMAT_A(format); + pf.rbits = PIXMAN_FORMAT_R(format); + pf.gbits = PIXMAN_FORMAT_G(format); + pf.bbits = PIXMAN_FORMAT_B(format); + + switch (PIXMAN_FORMAT_TYPE(format)) { + case PIXMAN_TYPE_ARGB: + pf.ashift = pf.bbits + pf.gbits + pf.rbits; + pf.rshift = pf.bbits + pf.gbits; + pf.gshift = pf.bbits; + pf.bshift = 0; + break; + case PIXMAN_TYPE_ABGR: + pf.ashift = pf.rbits + pf.gbits + pf.bbits; + pf.bshift = pf.rbits + pf.gbits; + pf.gshift = pf.rbits; + pf.rshift = 0; + break; + case PIXMAN_TYPE_BGRA: + pf.bshift = pf.abits + pf.rbits + pf.gbits; + pf.gshift = pf.abits + pf.rbits; + pf.rshift = pf.abits; + pf.ashift = 0; + break; + case PIXMAN_TYPE_RGBA: + pf.rshift = pf.abits + pf.bbits + pf.gbits; + pf.gshift = pf.abits + pf.bbits; + pf.bshift = pf.abits; + pf.ashift = 0; + break; + default: + g_assert_not_reached(); + break; + } + + pf.amax = (1 << pf.abits) - 1; + pf.rmax = (1 << pf.abits) - 1; + pf.gmax = (1 << pf.gbits) - 1; + pf.bmax = (1 << pf.bbits) - 1; + pf.amask = pf.amax << pf.ashift; + pf.rmask = pf.rmax << pf.rshift; + pf.gmask = pf.gmax << pf.gshift; + pf.bmask = pf.bmax << pf.bshift; + + return pf; +} + int qemu_pixman_get_type(int rshift, int gshift, int bshift) { int type = PIXMAN_TYPE_OTHER; -- 1.8.3.1