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ui/gtk-egl: add cursor_dmabuf support

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Add support for cursor dmabufs to gtk-egl.  Just blend in the cursor
(if we have one) when rendering the dmabuf.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180306090951.22932-7-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2018-03-06 10:09:51 +01:00
parent 70763fea4f
commit f1bd313264
3 changed files with 49 additions and 1 deletions
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8
include/ui/gtk.h
View file

@ -54,6 +54,9 @@ typedef struct VirtualGfxConsole {
int x, y, w, h;
egl_fb guest_fb;
egl_fb win_fb;
egl_fb cursor_fb;
int cursor_x;
int cursor_y;
bool y0_top;
bool scanout_mode;
#endif
@ -115,6 +118,11 @@ void gd_egl_scanout_texture(DisplayChangeListener *dcl,
uint32_t w, uint32_t h);
void gd_egl_scanout_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf);
void gd_egl_cursor_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf, bool have_hot,
uint32_t hot_x, uint32_t hot_y);
void gd_egl_cursor_position(DisplayChangeListener *dcl,
uint32_t pos_x, uint32_t pos_y);
void gd_egl_release_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf);
void gd_egl_scanout_flush(DisplayChangeListener *dcl,

40
ui/gtk-egl.c
View file

@ -19,6 +19,7 @@
#include "ui/console.h"
#include "ui/gtk.h"
#include "ui/egl-helpers.h"
#include "ui/shader.h"
#include "sysemu/sysemu.h"
@ -209,6 +210,35 @@ void gd_egl_scanout_dmabuf(DisplayChangeListener *dcl,
#endif
}
void gd_egl_cursor_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf, bool have_hot,
uint32_t hot_x, uint32_t hot_y)
{
#ifdef CONFIG_OPENGL_DMABUF
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
if (dmabuf) {
egl_dmabuf_import_texture(dmabuf);
if (!dmabuf->texture) {
return;
}
egl_fb_setup_for_tex(&vc->gfx.cursor_fb, dmabuf->width, dmabuf->height,
dmabuf->texture, false);
} else {
egl_fb_destroy(&vc->gfx.cursor_fb);
}
#endif
}
void gd_egl_cursor_position(DisplayChangeListener *dcl,
uint32_t pos_x, uint32_t pos_y)
{
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
vc->gfx.cursor_x = pos_x;
vc->gfx.cursor_y = pos_y;
}
void gd_egl_release_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf)
{
@ -237,7 +267,15 @@ void gd_egl_scanout_flush(DisplayChangeListener *dcl,
window = gtk_widget_get_window(vc->gfx.drawing_area);
gdk_drawable_get_size(window, &ww, &wh);
egl_fb_setup_default(&vc->gfx.win_fb, ww, wh);
egl_fb_blit(&vc->gfx.win_fb, &vc->gfx.guest_fb, !vc->gfx.y0_top);
if (vc->gfx.cursor_fb.texture) {
egl_texture_blit(vc->gfx.gls, &vc->gfx.win_fb, &vc->gfx.guest_fb,
vc->gfx.y0_top);
egl_texture_blend(vc->gfx.gls, &vc->gfx.win_fb, &vc->gfx.cursor_fb,
vc->gfx.y0_top,
vc->gfx.cursor_x, vc->gfx.cursor_y);
} else {
egl_fb_blit(&vc->gfx.win_fb, &vc->gfx.guest_fb, !vc->gfx.y0_top);
}
eglSwapBuffers(qemu_egl_display, vc->gfx.esurface);
}

2
ui/gtk.c
View file

@ -745,6 +745,8 @@ static const DisplayChangeListenerOps dcl_egl_ops = {
.dpy_gl_scanout_disable = gd_egl_scanout_disable,
.dpy_gl_scanout_texture = gd_egl_scanout_texture,
.dpy_gl_scanout_dmabuf = gd_egl_scanout_dmabuf,
.dpy_gl_cursor_dmabuf = gd_egl_cursor_dmabuf,
.dpy_gl_cursor_position = gd_egl_cursor_position,
.dpy_gl_release_dmabuf = gd_egl_release_dmabuf,
.dpy_gl_update = gd_egl_scanout_flush,
};