| /* |
| * GTK UI -- egl opengl code. |
| * |
| * Note that gtk 3.16+ (released 2015-03-23) has a GtkGLArea widget, |
| * which is GtkDrawingArea like widget with opengl rendering support. |
| * |
| * This code handles opengl support on older gtk versions, using egl |
| * to get a opengl context for the X11 window. |
| * |
| * 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 "qemu/error-report.h" |
| |
| #include "trace.h" |
| |
| #include "ui/console.h" |
| #include "ui/gtk.h" |
| #include "ui/egl-helpers.h" |
| #include "ui/shader.h" |
| |
| #include "system/system.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) { |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| 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_egl_init(VirtualConsole *vc) |
| { |
| GdkWindow *gdk_window = gtk_widget_get_window(vc->gfx.drawing_area); |
| if (!gdk_window) { |
| return; |
| } |
| |
| Window x11_window = gdk_x11_window_get_xid(gdk_window); |
| if (!x11_window) { |
| return; |
| } |
| |
| vc->gfx.ectx = qemu_egl_init_ctx(); |
| vc->gfx.esurface = qemu_egl_init_surface_x11 |
| (vc->gfx.ectx, (EGLNativeWindowType)x11_window); |
| |
| assert(vc->gfx.esurface); |
| } |
| |
| void gd_egl_draw(VirtualConsole *vc) |
| { |
| GdkWindow *window; |
| #ifdef CONFIG_GBM |
| QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf; |
| int fence_fd; |
| #endif |
| int ww, wh, pw, ph, gs; |
| |
| if (!vc->gfx.gls) { |
| return; |
| } |
| |
| window = gtk_widget_get_window(vc->gfx.drawing_area); |
| gs = gdk_window_get_scale_factor(window); |
| ww = gdk_window_get_width(window); |
| wh = gdk_window_get_height(window); |
| pw = ww * gs; |
| ph = wh * gs; |
| |
| if (vc->gfx.scanout_mode) { |
| #ifdef CONFIG_GBM |
| if (dmabuf) { |
| if (!qemu_dmabuf_get_draw_submitted(dmabuf)) { |
| return; |
| } else { |
| qemu_dmabuf_set_draw_submitted(dmabuf, false); |
| } |
| } |
| #endif |
| gd_egl_scanout_flush(&vc->gfx.dcl, 0, 0, vc->gfx.w, vc->gfx.h); |
| |
| gd_update_scale(vc, ww, wh, |
| surface_width(vc->gfx.ds), |
| surface_height(vc->gfx.ds)); |
| |
| glFlush(); |
| #ifdef CONFIG_GBM |
| if (dmabuf) { |
| 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; |
| } |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| |
| surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, pw, ph); |
| surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds); |
| |
| eglSwapBuffers(qemu_egl_display, vc->gfx.esurface); |
| |
| gd_update_scale(vc, ww, wh, |
| surface_width(vc->gfx.ds), |
| surface_height(vc->gfx.ds)); |
| |
| glFlush(); |
| } |
| } |
| |
| void gd_egl_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; |
| } |
| |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h); |
| vc->gfx.glupdates++; |
| eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, |
| EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| } |
| |
| void gd_egl_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_egl_draw(vc); |
| return; |
| } |
| |
| if (!vc->gfx.esurface) { |
| gd_egl_init(vc); |
| if (!vc->gfx.esurface) { |
| return; |
| } |
| vc->gfx.gls = qemu_gl_init_shader(); |
| if (vc->gfx.ds) { |
| surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds); |
| surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); |
| } |
| #ifdef CONFIG_GBM |
| if (vc->gfx.guest_fb.dmabuf) { |
| egl_dmabuf_release_texture(vc->gfx.guest_fb.dmabuf); |
| gd_egl_scanout_dmabuf(dcl, vc->gfx.guest_fb.dmabuf); |
| } |
| #endif |
| } |
| |
| graphic_hw_update(dcl->con); |
| |
| if (vc->gfx.glupdates) { |
| vc->gfx.glupdates = 0; |
| gtk_egl_set_scanout_mode(vc, false); |
| gd_egl_draw(vc); |
| } |
| } |
| |
| void gd_egl_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; |
| } |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| |
| surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds); |
| vc->gfx.ds = surface; |
| if (vc->gfx.gls) { |
| surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); |
| } |
| |
| if (resized) { |
| gd_update_windowsize(vc); |
| } |
| |
| eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, |
| EGL_NO_CONTEXT); |
| } |
| |
| QEMUGLContext gd_egl_create_context(DisplayGLCtx *dgc, |
| QEMUGLParams *params) |
| { |
| VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc); |
| |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| return qemu_egl_create_context(dgc, params); |
| } |
| |
| void gd_egl_scanout_disable(DisplayChangeListener *dcl) |
| { |
| VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); |
| |
| vc->gfx.w = 0; |
| vc->gfx.h = 0; |
| gtk_egl_set_scanout_mode(vc, false); |
| } |
| |
| void gd_egl_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; |
| |
| if (!vc->gfx.esurface) { |
| gd_egl_init(vc); |
| if (!vc->gfx.esurface) { |
| return; |
| } |
| } |
| |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| |
| gtk_egl_set_scanout_mode(vc, true); |
| egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height, |
| backing_id, false); |
| } |
| |
| void gd_egl_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; |
| |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| |
| 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_egl_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 gd_egl_cursor_dmabuf(DisplayChangeListener *dcl, |
| QemuDmaBuf *dmabuf, bool have_hot, |
| uint32_t hot_x, uint32_t hot_y) |
| { |
| #ifdef CONFIG_GBM |
| VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); |
| uint32_t backing_width, backing_height, texture; |
| |
| if (dmabuf) { |
| egl_dmabuf_import_texture(dmabuf); |
| texture = qemu_dmabuf_get_texture(dmabuf); |
| if (!texture) { |
| return; |
| } |
| |
| backing_width = qemu_dmabuf_get_backing_width(dmabuf); |
| backing_height = qemu_dmabuf_get_backing_height(dmabuf); |
| egl_fb_setup_for_tex(&vc->gfx.cursor_fb, backing_width, backing_height, |
| 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.scale_x; |
| vc->gfx.cursor_y = pos_y * vc->gfx.scale_y; |
| } |
| |
| 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 px_offset, py_offset; |
| int gs; |
| int pw_widget, ph_widget, pw_surface, ph_surface; |
| int ww_widget, wh_widget, ww_surface, wh_surface; |
| int fbw, fbh; |
| |
| if (!vc->gfx.scanout_mode) { |
| return; |
| } |
| if (!vc->gfx.guest_fb.framebuffer) { |
| return; |
| } |
| |
| eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, vc->gfx.ectx); |
| |
| window = gtk_widget_get_window(vc->gfx.drawing_area); |
| gs = gdk_window_get_scale_factor(window); |
| ww_widget = gdk_window_get_width(window); |
| wh_widget = gdk_window_get_height(window); |
| fbw = surface_width(vc->gfx.ds); |
| fbh = surface_height(vc->gfx.ds); |
| |
| gd_update_scale(vc, ww_widget, wh_widget, fbw, fbh); |
| |
| ww_surface = fbw * vc->gfx.scale_x; |
| wh_surface = fbh * vc->gfx.scale_y; |
| pw_widget = ww_widget * gs; |
| ph_widget = wh_widget * gs; |
| pw_surface = ww_surface * gs; |
| ph_surface = wh_surface * gs; |
| |
| px_offset = 0; |
| py_offset = 0; |
| if (pw_widget > pw_surface) { |
| px_offset = (pw_widget - pw_surface) / 2; |
| } |
| if (ph_widget > ph_surface) { |
| py_offset = (ph_widget - ph_surface) / 2; |
| } |
| |
| egl_fb_setup_default(&vc->gfx.win_fb, pw_surface, ph_surface, |
| px_offset, py_offset); |
| 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, |
| vc->gfx.scale_x, vc->gfx.scale_y); |
| } else { |
| egl_fb_blit(&vc->gfx.win_fb, &vc->gfx.guest_fb, !vc->gfx.y0_top); |
| } |
| |
| #ifdef CONFIG_GBM |
| if (vc->gfx.guest_fb.dmabuf) { |
| egl_dmabuf_create_sync(vc->gfx.guest_fb.dmabuf); |
| } |
| #endif |
| |
| eglSwapBuffers(qemu_egl_display, vc->gfx.esurface); |
| } |
| |
| void gd_egl_flush(DisplayChangeListener *dcl, |
| uint32_t x, uint32_t y, uint32_t w, uint32_t h) |
| { |
| VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); |
| GtkWidget *area = vc->gfx.drawing_area; |
| |
| 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_egl_set_scanout_mode(vc, true); |
| gtk_widget_queue_draw_area(area, x, y, w, h); |
| return; |
| } |
| |
| gd_egl_scanout_flush(&vc->gfx.dcl, x, y, w, h); |
| } |
| |
| void gtk_egl_init(DisplayGLMode mode) |
| { |
| GdkDisplay *gdk_display = gdk_display_get_default(); |
| Display *x11_display = gdk_x11_display_get_xdisplay(gdk_display); |
| |
| if (qemu_egl_init_dpy_x11(x11_display, mode) < 0) { |
| return; |
| } |
| |
| display_opengl = 1; |
| } |
| |
| int gd_egl_make_current(DisplayGLCtx *dgc, |
| QEMUGLContext ctx) |
| { |
| VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc); |
| |
| if (!eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, |
| vc->gfx.esurface, ctx)) { |
| error_report("egl: eglMakeCurrent failed: %s", qemu_egl_get_error_string()); |
| return -1; |
| } |
| |
| return 0; |
| } |
