From patchwork Fri Oct 2 12:31:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 525501 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FC43140307 for ; Fri, 2 Oct 2015 23:25:20 +1000 (AEST) Received: from localhost ([::1]:59624 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zi0Ks-0000in-6s for incoming@patchwork.ozlabs.org; Fri, 02 Oct 2015 09:25:18 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57065) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhzVU-0004G7-4w for qemu-devel@nongnu.org; Fri, 02 Oct 2015 08:32:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZhzVS-0001w1-QE for qemu-devel@nongnu.org; Fri, 02 Oct 2015 08:32:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46431) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhzVS-0001vO-HE for qemu-devel@nongnu.org; Fri, 02 Oct 2015 08:32:10 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 3ACFEBB99A for ; Fri, 2 Oct 2015 12:32:10 +0000 (UTC) Received: from nilsson.home.kraxel.org (ovpn-116-48.ams2.redhat.com [10.36.116.48]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t92CW7MU025491; Fri, 2 Oct 2015 08:32:08 -0400 Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id C7DC282274; Fri, 2 Oct 2015 14:31:59 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Fri, 2 Oct 2015 14:31:55 +0200 Message-Id: <1443789116-27876-11-git-send-email-kraxel@redhat.com> In-Reply-To: <1443789116-27876-1-git-send-email-kraxel@redhat.com> References: <1443789116-27876-1-git-send-email-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Gerd Hoffmann Subject: [Qemu-devel] [PATCH v3 10/11] gtk/opengl: add opengl context and scanout support (egl) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This allows virtio-gpu to render in 3d mode. Uses egl, for gtk versions 3.14 and older. Signed-off-by: Gerd Hoffmann Reviewed-by: Marc-André Lureau --- include/ui/gtk.h | 16 +++++++ ui/gtk-egl.c | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++---- ui/gtk.c | 7 +++ 3 files changed, 146 insertions(+), 8 deletions(-) diff --git a/include/ui/gtk.h b/include/ui/gtk.h index 0359333..b490e82 100644 --- a/include/ui/gtk.h +++ b/include/ui/gtk.h @@ -20,6 +20,7 @@ #if defined(CONFIG_OPENGL) #include "ui/egl-helpers.h" +#include "ui/egl-context.h" #endif /* Compatibility define to let us build on both Gtk2 and Gtk3 */ @@ -46,6 +47,11 @@ typedef struct VirtualGfxConsole { EGLContext ectx; EGLSurface esurface; int glupdates; + int x, y, w, h; + GLuint tex_id; + GLuint fbo_id; + bool y0_top; + bool scanout_mode; #endif } VirtualGfxConsole; @@ -90,6 +96,16 @@ void gd_egl_update(DisplayChangeListener *dcl, void gd_egl_refresh(DisplayChangeListener *dcl); void gd_egl_switch(DisplayChangeListener *dcl, DisplaySurface *surface); +QEMUGLContext gd_egl_create_context(DisplayChangeListener *dcl, + QEMUGLParams *params); +void gd_egl_scanout(DisplayChangeListener *dcl, + uint32_t backing_id, bool backing_y_0_top, + uint32_t x, uint32_t y, + uint32_t w, uint32_t h); +void gd_egl_scanout_flush(DisplayChangeListener *dcl, + uint32_t x, uint32_t y, uint32_t w, uint32_t h); void gtk_egl_init(void); +int gd_egl_make_current(DisplayChangeListener *dcl, + QEMUGLContext ctx); #endif /* UI_GTK_H */ diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c index 15b41f2..500c42c 100644 --- a/ui/gtk-egl.c +++ b/ui/gtk-egl.c @@ -21,6 +21,29 @@ #include "sysemu/sysemu.h" +static void gtk_egl_set_scanout_mode(VirtualConsole *vc, bool scanout) +{ + if (vc->gfx.scanout_mode == scanout) { + return; + } + + vc->gfx.scanout_mode = scanout; + if (!vc->gfx.scanout_mode) { + if (vc->gfx.fbo_id) { + glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + GL_TEXTURE_2D, 0, 0); + glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0); + glDeleteFramebuffers(1, &vc->gfx.fbo_id); + vc->gfx.fbo_id = 0; + } + if (vc->gfx.surface) { + surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds); + surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); + } + } +} + /** DisplayState Callbacks (opengl version) **/ void gd_egl_init(VirtualConsole *vc) @@ -50,19 +73,26 @@ void gd_egl_draw(VirtualConsole *vc) GdkWindow *window; int ww, wh; - if (!vc->gfx.gls || !vc->gfx.ds) { + if (!vc->gfx.gls) { return; } - eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, - vc->gfx.esurface, vc->gfx.ectx); + if (vc->gfx.scanout_mode) { + gd_egl_scanout_flush(&vc->gfx.dcl, 0, 0, vc->gfx.w, vc->gfx.h); + } else { + if (!vc->gfx.ds) { + return; + } + eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, vc->gfx.ectx); - window = gtk_widget_get_window(vc->gfx.drawing_area); - gdk_drawable_get_size(window, &ww, &wh); - surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh); - surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds); + window = gtk_widget_get_window(vc->gfx.drawing_area); + gdk_drawable_get_size(window, &ww, &wh); + surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh); + surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds); - eglSwapBuffers(qemu_egl_display, vc->gfx.esurface); + eglSwapBuffers(qemu_egl_display, vc->gfx.esurface); + } } void gd_egl_update(DisplayChangeListener *dcl, @@ -99,6 +129,7 @@ void gd_egl_refresh(DisplayChangeListener *dcl) if (vc->gfx.glupdates) { vc->gfx.glupdates = 0; + gtk_egl_set_scanout_mode(vc, false); gd_egl_draw(vc); } } @@ -128,6 +159,81 @@ void gd_egl_switch(DisplayChangeListener *dcl, } } +QEMUGLContext gd_egl_create_context(DisplayChangeListener *dcl, + QEMUGLParams *params) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + + eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, vc->gfx.ectx); + return qemu_egl_create_context(dcl, params); +} + +void gd_egl_scanout(DisplayChangeListener *dcl, + uint32_t backing_id, bool backing_y_0_top, + uint32_t x, uint32_t y, + uint32_t w, uint32_t h) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + + vc->gfx.x = x; + vc->gfx.y = y; + vc->gfx.w = w; + vc->gfx.h = h; + vc->gfx.tex_id = backing_id; + vc->gfx.y0_top = backing_y_0_top; + + eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, vc->gfx.ectx); + + if (vc->gfx.tex_id == 0 || vc->gfx.w == 0 || vc->gfx.h == 0) { + gtk_egl_set_scanout_mode(vc, false); + return; + } + + gtk_egl_set_scanout_mode(vc, true); + if (!vc->gfx.fbo_id) { + glGenFramebuffers(1, &vc->gfx.fbo_id); + } + + glBindFramebuffer(GL_FRAMEBUFFER_EXT, vc->gfx.fbo_id); + glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, + GL_TEXTURE_2D, vc->gfx.tex_id, 0); +} + +void gd_egl_scanout_flush(DisplayChangeListener *dcl, + uint32_t x, uint32_t y, uint32_t w, uint32_t h) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + GdkWindow *window; + int ww, wh, y1, y2; + + if (!vc->gfx.scanout_mode) { + return; + } + if (!vc->gfx.fbo_id) { + return; + } + + eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, vc->gfx.ectx); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.fbo_id); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + window = gtk_widget_get_window(vc->gfx.drawing_area); + gdk_drawable_get_size(window, &ww, &wh); + glViewport(0, 0, ww, wh); + y1 = vc->gfx.y0_top ? 0 : vc->gfx.h; + y2 = vc->gfx.y0_top ? vc->gfx.h : 0; + glBlitFramebuffer(0, y1, vc->gfx.w, y2, + 0, 0, ww, wh, + GL_COLOR_BUFFER_BIT, GL_NEAREST); + glBindFramebuffer(GL_FRAMEBUFFER_EXT, vc->gfx.fbo_id); + + eglSwapBuffers(qemu_egl_display, vc->gfx.esurface); +} + void gtk_egl_init(void) { GdkDisplay *gdk_display = gdk_display_get_default(); @@ -139,3 +245,12 @@ void gtk_egl_init(void) display_opengl = 1; } + +int gd_egl_make_current(DisplayChangeListener *dcl, + QEMUGLContext ctx) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + + return eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, ctx); +} diff --git a/ui/gtk.c b/ui/gtk.c index 3057cdc..e6e3532 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -615,6 +615,13 @@ static const DisplayChangeListenerOps dcl_egl_ops = { .dpy_refresh = gd_egl_refresh, .dpy_mouse_set = gd_mouse_set, .dpy_cursor_define = gd_cursor_define, + + .dpy_gl_ctx_create = gd_egl_create_context, + .dpy_gl_ctx_destroy = qemu_egl_destroy_context, + .dpy_gl_ctx_make_current = gd_egl_make_current, + .dpy_gl_ctx_get_current = qemu_egl_get_current_context, + .dpy_gl_scanout = gd_egl_scanout, + .dpy_gl_update = gd_egl_scanout_flush, }; #endif