[mirror_qemu.git] / ui / gtk-gl-area.c

/*
 * GTK UI -- glarea opengl code.
 *
 * Requires 3.16+ (GtkGLArea widget).
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#include "qemu/osdep.h"
#include "qemu/main-loop.h"

#include "trace.h"

#include "ui/console.h"
#include "ui/gtk.h"
#include "ui/egl-helpers.h"

#include "sysemu/sysemu.h"

static void gtk_gl_area_set_scanout_mode(VirtualConsole *vc, bool scanout)
{
    if (vc->gfx.scanout_mode == scanout) {
        return;
    }

    vc->gfx.scanout_mode = scanout;
    if (!vc->gfx.scanout_mode) {
        gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
        egl_fb_destroy(&vc->gfx.guest_fb);
        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_gl_area_draw(VirtualConsole *vc)
{
#ifdef CONFIG_GBM
    QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
#endif
    int ww, wh, ws, y1, y2;

    if (!vc->gfx.gls) {
        return;
    }

    gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
    ws = gdk_window_get_scale_factor(gtk_widget_get_window(vc->gfx.drawing_area));
    ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area) * ws;
    wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area) * ws;

    if (vc->gfx.scanout_mode) {
        if (!vc->gfx.guest_fb.framebuffer) {
            return;
        }

#ifdef CONFIG_GBM
        if (dmabuf) {
            if (!qemu_dmabuf_get_draw_submitted(dmabuf)) {
                return;
            } else {
                qemu_dmabuf_set_draw_submitted(dmabuf, false);
            }
        }
#endif

        glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.framebuffer);
        /* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */

        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);
#ifdef CONFIG_GBM
        if (dmabuf) {
            egl_dmabuf_create_sync(dmabuf);
        }
#endif
        glFlush();
#ifdef CONFIG_GBM
        if (dmabuf) {
            int fence_fd;
            egl_dmabuf_create_fence(dmabuf);
            fence_fd = qemu_dmabuf_get_fence_fd(dmabuf);
            if (fence_fd >= 0) {
                qemu_set_fd_handler(fence_fd, gd_hw_gl_flushed, NULL, vc);
                return;
            }
            graphic_hw_gl_block(vc->gfx.dcl.con, false);
        }
#endif
    } else {
        if (!vc->gfx.ds) {
            return;
        }
        gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));

        surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh);
        surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds);
    }
}

void gd_gl_area_update(DisplayChangeListener *dcl,
                   int x, int y, int w, int h)
{
    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);

    if (!vc->gfx.gls || !vc->gfx.ds) {
        return;
    }

    gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
    surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h);
    vc->gfx.glupdates++;
    gdk_gl_context_clear_current();
}

void gd_gl_area_refresh(DisplayChangeListener *dcl)
{
    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);

    gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : vc->gfx.drawing_area);

    if (vc->gfx.guest_fb.dmabuf &&
        qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) {
        gd_gl_area_draw(vc);
        return;
    }

    if (!vc->gfx.gls) {
        if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
            return;
        }
        gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
        vc->gfx.gls = qemu_gl_init_shader();
        if (vc->gfx.ds) {
            surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
        }
    }

    graphic_hw_update(dcl->con);

    if (vc->gfx.glupdates) {
        vc->gfx.glupdates = 0;
        gtk_gl_area_set_scanout_mode(vc, false);
        gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
    }
}

void gd_gl_area_switch(DisplayChangeListener *dcl,
                       DisplaySurface *surface)
{
    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
    bool resized = true;

    trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));

    if (vc->gfx.ds &&
        surface_width(vc->gfx.ds) == surface_width(surface) &&
        surface_height(vc->gfx.ds) == surface_height(surface)) {
        resized = false;
    }

    if (vc->gfx.gls) {
        gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
        surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
        surface_gl_create_texture(vc->gfx.gls, surface);
    }
    vc->gfx.ds = surface;

    if (resized) {
        gd_update_windowsize(vc);
    }
}

static int gd_cmp_gl_context_version(int major, int minor, QEMUGLParams *params)
{
    if (major > params->major_ver) {
        return 1;
    }
    if (major < params->major_ver) {
        return -1;
    }
    if (minor > params->minor_ver) {
        return 1;
    }
    if (minor < params->minor_ver) {
        return -1;
    }
    return 0;
}

QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc,
                                        QEMUGLParams *params)
{
    VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc);
    GdkWindow *window;
    GdkGLContext *ctx;
    GError *err = NULL;
    int major, minor;

    window = gtk_widget_get_window(vc->gfx.drawing_area);
    ctx = gdk_window_create_gl_context(window, &err);
    if (err) {
        g_printerr("Create gdk gl context failed: %s\n", err->message);
        g_error_free(err);
        return NULL;
    }
    gdk_gl_context_set_required_version(ctx,
                                        params->major_ver,
                                        params->minor_ver);
    gdk_gl_context_realize(ctx, &err);
    if (err) {
        g_printerr("Realize gdk gl context failed: %s\n", err->message);
        g_error_free(err);
        g_clear_object(&ctx);
        return NULL;
    }

    gdk_gl_context_make_current(ctx);
    gdk_gl_context_get_version(ctx, &major, &minor);
    gdk_gl_context_clear_current();
    gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));

    if (gd_cmp_gl_context_version(major, minor, params) == -1) {
        /* created ctx version < requested version */
        g_clear_object(&ctx);
    }

    trace_gd_gl_area_create_context(ctx, params->major_ver, params->minor_ver);
    return ctx;
}

void gd_gl_area_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx)
{
    GdkGLContext *current_ctx = gdk_gl_context_get_current();

    trace_gd_gl_area_destroy_context(ctx, current_ctx);
    if (ctx == current_ctx) {
        gdk_gl_context_clear_current();
    }
    g_clear_object(&ctx);
}

void gd_gl_area_scanout_texture(DisplayChangeListener *dcl,
                                uint32_t backing_id,
                                bool backing_y_0_top,
                                uint32_t backing_width,
                                uint32_t backing_height,
                                uint32_t x, uint32_t y,
                                uint32_t w, uint32_t h,
                                void *d3d_tex2d)
{
    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.y0_top = backing_y_0_top;

    gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));

    if (backing_id == 0 || vc->gfx.w == 0 || vc->gfx.h == 0) {
        gtk_gl_area_set_scanout_mode(vc, false);
        return;
    }

    gtk_gl_area_set_scanout_mode(vc, true);
    egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height,
                         backing_id, false);
}

void gd_gl_area_scanout_disable(DisplayChangeListener *dcl)
{
    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);

    gtk_gl_area_set_scanout_mode(vc, false);
}

void gd_gl_area_scanout_flush(DisplayChangeListener *dcl,
                          uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);

    if (vc->gfx.guest_fb.dmabuf &&
        !qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) {
        graphic_hw_gl_block(vc->gfx.dcl.con, true);
        qemu_dmabuf_set_draw_submitted(vc->gfx.guest_fb.dmabuf, true);
        gtk_gl_area_set_scanout_mode(vc, true);
    }
    gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
}

void gd_gl_area_scanout_dmabuf(DisplayChangeListener *dcl,
                               QemuDmaBuf *dmabuf)
{
#ifdef CONFIG_GBM
    VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
    uint32_t x, y, width, height, backing_width, backing_height, texture;
    bool y0_top;

    gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
    egl_dmabuf_import_texture(dmabuf);
    texture = qemu_dmabuf_get_texture(dmabuf);
    if (!texture) {
        return;
    }

    x = qemu_dmabuf_get_x(dmabuf);
    y = qemu_dmabuf_get_y(dmabuf);
    width = qemu_dmabuf_get_width(dmabuf);
    height = qemu_dmabuf_get_height(dmabuf);
    backing_width = qemu_dmabuf_get_backing_width(dmabuf);
    backing_height = qemu_dmabuf_get_backing_height(dmabuf);
    y0_top = qemu_dmabuf_get_y0_top(dmabuf);

    gd_gl_area_scanout_texture(dcl, texture, y0_top,
                               backing_width, backing_height,
                               x, y, width, height, NULL);

    if (qemu_dmabuf_get_allow_fences(dmabuf)) {
        vc->gfx.guest_fb.dmabuf = dmabuf;
    }
#endif
}

void gtk_gl_area_init(void)
{
    display_opengl = 1;
}

int gd_gl_area_make_current(DisplayGLCtx *dgc,
                            QEMUGLContext ctx)
{
    gdk_gl_context_make_current(ctx);
    return 0;
}
Commit	Line	Data
925a0400 GH	1	/*
	2	* GTK UI -- glarea opengl code.
	3	*
	4	* Requires 3.16+ (GtkGLArea widget).
	5	*
	6	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	7	* See the COPYING file in the top-level directory.
	8	*/
	9
e16f4c87	10	#include "qemu/osdep.h"
65b847d2	11	#include "qemu/main-loop.h"
925a0400 GH	12
	13	#include "trace.h"
	14
	15	#include "ui/console.h"
	16	#include "ui/gtk.h"
	17	#include "ui/egl-helpers.h"
	18
	19	#include "sysemu/sysemu.h"
	20
	21	static void gtk_gl_area_set_scanout_mode(VirtualConsole *vc, bool scanout)
	22	{
	23	if (vc->gfx.scanout_mode == scanout) {
	24	return;
	25	}
	26
	27	vc->gfx.scanout_mode = scanout;
	28	if (!vc->gfx.scanout_mode) {
83b4b236	29	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
a4f113fd	30	egl_fb_destroy(&vc->gfx.guest_fb);
925a0400 GH	31	if (vc->gfx.surface) {
	32	surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
	33	surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
	34	}
	35	}
	36	}
	37
	38	/ DisplayState Callbacks (opengl version) /
	39
	40	void gd_gl_area_draw(VirtualConsole *vc)
	41	{
55f4b767 DK	42	#ifdef CONFIG_GBM
	43	QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
	44	#endif
4323118c	45	int ww, wh, ws, y1, y2;
925a0400 GH	46
	47	if (!vc->gfx.gls) {
	48	return;
	49	}
	50
	51	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
4323118c AO	52	ws = gdk_window_get_scale_factor(gtk_widget_get_window(vc->gfx.drawing_area));
	53	ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area) * ws;
	54	wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area) * ws;
925a0400 GH	55
925a0400 GH	56	if (vc->gfx.scanout_mode) {
a4f113fd	57	if (!vc->gfx.guest_fb.framebuffer) {
925a0400 GH	58	return;
	59	}
	60
55f4b767 DK	61	#ifdef CONFIG_GBM
55f4b767 DK	62	if (dmabuf) {
6779a307	63	if (!qemu_dmabuf_get_draw_submitted(dmabuf)) {
55f4b767 DK	64	return;
55f4b767 DK	65	} else {
fa642680	66	qemu_dmabuf_set_draw_submitted(dmabuf, false);
55f4b767 DK	67	}
	68	}
	69	#endif
	70
a4f113fd	71	glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.framebuffer);
925a0400 GH	72	/* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */
	73
	74	glViewport(0, 0, ww, wh);
	75	y1 = vc->gfx.y0_top ? 0 : vc->gfx.h;
	76	y2 = vc->gfx.y0_top ? vc->gfx.h : 0;
	77	glBlitFramebuffer(0, y1, vc->gfx.w, y2,
	78	0, 0, ww, wh,
	79	GL_COLOR_BUFFER_BIT, GL_NEAREST);
55f4b767 DK	80	#ifdef CONFIG_GBM
	81	if (dmabuf) {
	82	egl_dmabuf_create_sync(dmabuf);
	83	}
	84	#endif
	85	glFlush();
	86	#ifdef CONFIG_GBM
	87	if (dmabuf) {
6779a307	88	int fence_fd;
55f4b767	89	egl_dmabuf_create_fence(dmabuf);
6779a307 DK	90	fence_fd = qemu_dmabuf_get_fence_fd(dmabuf);
	91	if (fence_fd >= 0) {
	92	qemu_set_fd_handler(fence_fd, gd_hw_gl_flushed, NULL, vc);
55f4b767 DK	93	return;
	94	}
	95	graphic_hw_gl_block(vc->gfx.dcl.con, false);
	96	}
	97	#endif
925a0400 GH	98	} else {
	99	if (!vc->gfx.ds) {
	100	return;
	101	}
	102	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
	103
	104	surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh);
	105	surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds);
	106	}
	107	}
	108
	109	void gd_gl_area_update(DisplayChangeListener *dcl,
	110	int x, int y, int w, int h)
	111	{
	112	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
	113
	114	if (!vc->gfx.gls \|\| !vc->gfx.ds) {
	115	return;
	116	}
	117
	118	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
	119	surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h);
	120	vc->gfx.glupdates++;
83b4b236	121	gdk_gl_context_clear_current();
925a0400 GH	122	}
	123
	124	void gd_gl_area_refresh(DisplayChangeListener *dcl)
	125	{
	126	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
	127
aeffd071	128	gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : vc->gfx.drawing_area);
760deab3	129
6779a307 DK	130	if (vc->gfx.guest_fb.dmabuf &&
6779a307 DK	131	qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) {
77bf3100	132	gd_gl_area_draw(vc);
1be878eb DK	133	return;
	134	}
	135
925a0400 GH	136	if (!vc->gfx.gls) {
	137	if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
	138	return;
	139	}
	140	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
46e19e14	141	vc->gfx.gls = qemu_gl_init_shader();
925a0400 GH	142	if (vc->gfx.ds) {
	143	surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
	144	}
	145	}
	146
	147	graphic_hw_update(dcl->con);
	148
	149	if (vc->gfx.glupdates) {
	150	vc->gfx.glupdates = 0;
	151	gtk_gl_area_set_scanout_mode(vc, false);
	152	gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
	153	}
	154	}
	155
	156	void gd_gl_area_switch(DisplayChangeListener *dcl,
	157	DisplaySurface *surface)
	158	{
	159	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
	160	bool resized = true;
	161
	162	trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
	163
	164	if (vc->gfx.ds &&
	165	surface_width(vc->gfx.ds) == surface_width(surface) &&
	166	surface_height(vc->gfx.ds) == surface_height(surface)) {
	167	resized = false;
	168	}
	169
	170	if (vc->gfx.gls) {
	171	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
	172	surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
	173	surface_gl_create_texture(vc->gfx.gls, surface);
	174	}
	175	vc->gfx.ds = surface;
	176
	177	if (resized) {
	178	gd_update_windowsize(vc);
	179	}
	180	}
	181
09053670 VR	182	static int gd_cmp_gl_context_version(int major, int minor, QEMUGLParams *params)
	183	{
	184	if (major > params->major_ver) {
	185	return 1;
	186	}
	187	if (major < params->major_ver) {
	188	return -1;
	189	}
	190	if (minor > params->minor_ver) {
	191	return 1;
	192	}
	193	if (minor < params->minor_ver) {
	194	return -1;
	195	}
	196	return 0;
	197	}
	198
5e79d516	199	QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc,
925a0400 GH	200	QEMUGLParams *params)
925a0400 GH	201	{
5e79d516	202	VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc);
925a0400 GH	203	GdkWindow *window;
	204	GdkGLContext *ctx;
	205	GError *err = NULL;
09053670	206	int major, minor;
925a0400	207
925a0400 GH	208	window = gtk_widget_get_window(vc->gfx.drawing_area);
925a0400 GH	209	ctx = gdk_window_create_gl_context(window, &err);
2cd1e3f9 PN	210	if (err) {
	211	g_printerr("Create gdk gl context failed: %s\n", err->message);
	212	g_error_free(err);
	213	return NULL;
	214	}
925a0400 GH	215	gdk_gl_context_set_required_version(ctx,
	216	params->major_ver,
	217	params->minor_ver);
	218	gdk_gl_context_realize(ctx, &err);
2cd1e3f9 PN	219	if (err) {
	220	g_printerr("Realize gdk gl context failed: %s\n", err->message);
	221	g_error_free(err);
	222	g_clear_object(&ctx);
	223	return NULL;
	224	}
09053670 VR	225
	226	gdk_gl_context_make_current(ctx);
	227	gdk_gl_context_get_version(ctx, &major, &minor);
	228	gdk_gl_context_clear_current();
	229	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
	230
	231	if (gd_cmp_gl_context_version(major, minor, params) == -1) {
	232	/* created ctx version < requested version */
	233	g_clear_object(&ctx);
	234	}
	235
	236	trace_gd_gl_area_create_context(ctx, params->major_ver, params->minor_ver);
925a0400 GH	237	return ctx;
	238	}
	239
5e79d516	240	void gd_gl_area_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx)
925a0400	241	{
e561b3b7 VR	242	GdkGLContext *current_ctx = gdk_gl_context_get_current();
	243
	244	trace_gd_gl_area_destroy_context(ctx, current_ctx);
	245	if (ctx == current_ctx) {
	246	gdk_gl_context_clear_current();
	247	}
	248	g_clear_object(&ctx);
925a0400 GH	249	}
925a0400 GH	250
f4c36bda GH	251	void gd_gl_area_scanout_texture(DisplayChangeListener *dcl,
	252	uint32_t backing_id,
	253	bool backing_y_0_top,
	254	uint32_t backing_width,
	255	uint32_t backing_height,
	256	uint32_t x, uint32_t y,
bf41ab61 MAL	257	uint32_t w, uint32_t h,
bf41ab61 MAL	258	void *d3d_tex2d)
925a0400 GH	259	{
	260	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
	261
	262	vc->gfx.x = x;
	263	vc->gfx.y = y;
	264	vc->gfx.w = w;
	265	vc->gfx.h = h;
925a0400 GH	266	vc->gfx.y0_top = backing_y_0_top;
	267
	268	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
	269
2ff408de	270	if (backing_id == 0 \|\| vc->gfx.w == 0 \|\| vc->gfx.h == 0) {
925a0400 GH	271	gtk_gl_area_set_scanout_mode(vc, false);
	272	return;
	273	}
	274
58ea90f8	275	gtk_gl_area_set_scanout_mode(vc, true);
74083f9c GH	276	egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height,
74083f9c GH	277	backing_id, false);
925a0400 GH	278	}
925a0400 GH	279
568b12fc MAL	280	void gd_gl_area_scanout_disable(DisplayChangeListener *dcl)
	281	{
	282	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
	283
	284	gtk_gl_area_set_scanout_mode(vc, false);
	285	}
	286
925a0400 GH	287	void gd_gl_area_scanout_flush(DisplayChangeListener *dcl,
	288	uint32_t x, uint32_t y, uint32_t w, uint32_t h)
	289	{
	290	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
	291
6779a307 DK	292	if (vc->gfx.guest_fb.dmabuf &&
6779a307 DK	293	!qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) {
65b847d2	294	graphic_hw_gl_block(vc->gfx.dcl.con, true);
fa642680	295	qemu_dmabuf_set_draw_submitted(vc->gfx.guest_fb.dmabuf, true);
92b58156	296	gtk_gl_area_set_scanout_mode(vc, true);
65b847d2	297	}
925a0400 GH	298	gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
	299	}
	300
2606519b MAL	301	void gd_gl_area_scanout_dmabuf(DisplayChangeListener *dcl,
	302	QemuDmaBuf *dmabuf)
	303	{
bc6a3565	304	#ifdef CONFIG_GBM
2606519b	305	VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
6779a307 DK	306	uint32_t x, y, width, height, backing_width, backing_height, texture;
6779a307 DK	307	bool y0_top;
2606519b MAL	308
	309	gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
	310	egl_dmabuf_import_texture(dmabuf);
6779a307 DK	311	texture = qemu_dmabuf_get_texture(dmabuf);
6779a307 DK	312	if (!texture) {
2606519b MAL	313	return;
	314	}
	315
6779a307 DK	316	x = qemu_dmabuf_get_x(dmabuf);
	317	y = qemu_dmabuf_get_y(dmabuf);
	318	width = qemu_dmabuf_get_width(dmabuf);
	319	height = qemu_dmabuf_get_height(dmabuf);
	320	backing_width = qemu_dmabuf_get_backing_width(dmabuf);
	321	backing_height = qemu_dmabuf_get_backing_height(dmabuf);
	322	y0_top = qemu_dmabuf_get_y0_top(dmabuf);
65b847d2	323
6779a307 DK	324	gd_gl_area_scanout_texture(dcl, texture, y0_top,
	325	backing_width, backing_height,
	326	x, y, width, height, NULL);
	327
	328	if (qemu_dmabuf_get_allow_fences(dmabuf)) {
65b847d2 VK	329	vc->gfx.guest_fb.dmabuf = dmabuf;
65b847d2 VK	330	}
2606519b MAL	331	#endif
	332	}
	333
925a0400 GH	334	void gtk_gl_area_init(void)
	335	{
	336	display_opengl = 1;
	337	}
	338
5e79d516	339	int gd_gl_area_make_current(DisplayGLCtx *dgc,
925a0400 GH	340	QEMUGLContext ctx)
	341	{
	342	gdk_gl_context_make_current(ctx);
	343	return 0;
	344	}