From nobody Tue Feb 10 20:28:40 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1507643824325713.5728211860219; Tue, 10 Oct 2017 06:57:04 -0700 (PDT) Received: from localhost ([::1]:35193 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1v1b-00053f-Dn for importer@patchew.org; Tue, 10 Oct 2017 09:56:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37950) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1uzu-00045O-R4 for qemu-devel@nongnu.org; Tue, 10 Oct 2017 09:55:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e1uzs-0007WM-Ai for qemu-devel@nongnu.org; Tue, 10 Oct 2017 09:55:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38704) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e1uzs-0007V8-52 for qemu-devel@nongnu.org; Tue, 10 Oct 2017 09:55:00 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 039ABC04AC71; Tue, 10 Oct 2017 13:54:59 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-239.ams2.redhat.com [10.36.116.239]) by smtp.corp.redhat.com (Postfix) with ESMTP id AEB2277715; Tue, 10 Oct 2017 13:54:58 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 2A1F74FD41; Tue, 10 Oct 2017 15:54:54 +0200 (CEST) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 039ABC04AC71 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=kraxel@redhat.com From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Tue, 10 Oct 2017 15:54:52 +0200 Message-Id: <20171010135453.6704-6-kraxel@redhat.com> In-Reply-To: <20171010135453.6704-1-kraxel@redhat.com> References: <20171010135453.6704-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 10 Oct 2017 13:54:59 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 5/6] egl-helpers: add egl_texture_blit and egl_texture_blend X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gvt-dev@lists.freedesktop.org, Gerd Hoffmann , Tina Zhang Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_6 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" egl_texture_blit() blits a texture, simliar to egl_fb_blit() but by rendering the texture to the screen instead of using a framebuffer blit. egl_texture_blend() renders a texture with alpha blending, will be used to render the cursor to the screen. Signed-off-by: Gerd Hoffmann --- include/ui/egl-helpers.h | 4 ++++ ui/egl-helpers.c | 27 +++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h index 4924fe560d..747233ce58 100644 --- a/include/ui/egl-helpers.h +++ b/include/ui/egl-helpers.h @@ -24,6 +24,10 @@ void egl_fb_setup_new_tex(egl_fb *fb, int width, int hei= ght); void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip); void egl_fb_read(void *dst, egl_fb *src); =20 +void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool fl= ip); +void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool f= lip, + int x, int y); + #ifdef CONFIG_OPENGL_DMABUF =20 extern int qemu_egl_rn_fd; diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index e7ee337d7e..5fa60ef4e8 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -111,6 +111,33 @@ void egl_fb_read(void *dst, egl_fb *src) GL_BGRA, GL_UNSIGNED_BYTE, dst); } =20 +void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool fl= ip) +{ + glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); + glViewport(0, 0, dst->width, dst->height); + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, src->texture); + qemu_gl_run_texture_blit(gls, flip); +} + +void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool f= lip, + int x, int y) +{ + glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); + if (flip) { + glViewport(x, y, src->width, src->height); + } else { + glViewport(x, dst->height - src->height - y, + src->width, src->height); + } + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, src->texture); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + qemu_gl_run_texture_blit(gls, flip); + glDisable(GL_BLEND); +} + /* ---------------------------------------------------------------------- = */ =20 #ifdef CONFIG_OPENGL_DMABUF --=20 2.9.3