2015-01-20 11:43:28 +00:00
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/*
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* GTK UI -- egl opengl code.
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*
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* Note that gtk 3.16+ (released 2015-03-23) has a GtkGLArea widget,
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* which is GtkDrawingArea like widget with opengl rendering support.
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*
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* This code handles opengl support on older gtk versions, using egl
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* to get a opengl context for the X11 window.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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2016-01-29 17:49:51 +00:00
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#include "qemu/osdep.h"
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2015-01-20 11:43:28 +00:00
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#include "qemu-common.h"
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#include "trace.h"
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#include "ui/console.h"
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#include "ui/gtk.h"
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#include "ui/egl-helpers.h"
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2018-03-06 09:09:51 +00:00
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#include "ui/shader.h"
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2015-01-20 11:43:28 +00:00
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#include "sysemu/sysemu.h"
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2015-05-08 09:30:51 +00:00
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static void gtk_egl_set_scanout_mode(VirtualConsole *vc, bool scanout)
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{
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if (vc->gfx.scanout_mode == scanout) {
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return;
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}
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vc->gfx.scanout_mode = scanout;
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if (!vc->gfx.scanout_mode) {
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2017-06-14 08:41:49 +00:00
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egl_fb_destroy(&vc->gfx.guest_fb);
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2015-05-08 09:30:51 +00:00
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if (vc->gfx.surface) {
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surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
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surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
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}
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}
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}
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2015-01-20 11:43:28 +00:00
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/** DisplayState Callbacks (opengl version) **/
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void gd_egl_init(VirtualConsole *vc)
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{
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GdkWindow *gdk_window = gtk_widget_get_window(vc->gfx.drawing_area);
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if (!gdk_window) {
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return;
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}
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Window x11_window = gdk_x11_window_get_xid(gdk_window);
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if (!x11_window) {
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return;
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}
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vc->gfx.ectx = qemu_egl_init_ctx();
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2019-01-16 11:37:51 +00:00
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vc->gfx.esurface = qemu_egl_init_surface_x11
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(vc->gfx.ectx, (EGLNativeWindowType)x11_window);
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2015-01-20 11:43:28 +00:00
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assert(vc->gfx.esurface);
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}
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void gd_egl_draw(VirtualConsole *vc)
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{
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GdkWindow *window;
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int ww, wh;
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2015-05-08 09:30:51 +00:00
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if (!vc->gfx.gls) {
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2015-01-20 11:43:28 +00:00
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return;
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}
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2018-11-07 07:49:49 +00:00
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window = gtk_widget_get_window(vc->gfx.drawing_area);
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ww = gdk_window_get_width(window);
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wh = gdk_window_get_height(window);
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2015-05-08 09:30:51 +00:00
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if (vc->gfx.scanout_mode) {
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gd_egl_scanout_flush(&vc->gfx.dcl, 0, 0, vc->gfx.w, vc->gfx.h);
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2018-11-07 07:49:49 +00:00
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vc->gfx.scale_x = (double)ww / vc->gfx.w;
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vc->gfx.scale_y = (double)wh / vc->gfx.h;
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2015-05-08 09:30:51 +00:00
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} else {
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if (!vc->gfx.ds) {
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return;
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}
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eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
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vc->gfx.esurface, vc->gfx.ectx);
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2015-01-20 11:43:28 +00:00
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2015-05-08 09:30:51 +00:00
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surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh);
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surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds);
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2015-01-20 11:43:28 +00:00
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2015-05-08 09:30:51 +00:00
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eglSwapBuffers(qemu_egl_display, vc->gfx.esurface);
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2018-11-07 07:49:49 +00:00
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vc->gfx.scale_x = (double)ww / surface_width(vc->gfx.ds);
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vc->gfx.scale_y = (double)wh / surface_height(vc->gfx.ds);
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2015-05-08 09:30:51 +00:00
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}
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2015-01-20 11:43:28 +00:00
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}
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void gd_egl_update(DisplayChangeListener *dcl,
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int x, int y, int w, int h)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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if (!vc->gfx.gls || !vc->gfx.ds) {
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return;
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}
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eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
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vc->gfx.esurface, vc->gfx.ectx);
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surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h);
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vc->gfx.glupdates++;
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}
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void gd_egl_refresh(DisplayChangeListener *dcl)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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if (!vc->gfx.esurface) {
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gd_egl_init(vc);
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if (!vc->gfx.esurface) {
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return;
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}
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2017-10-10 13:54:49 +00:00
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vc->gfx.gls = qemu_gl_init_shader();
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2015-01-20 11:43:28 +00:00
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if (vc->gfx.ds) {
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surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
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}
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}
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graphic_hw_update(dcl->con);
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if (vc->gfx.glupdates) {
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vc->gfx.glupdates = 0;
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2015-05-08 09:30:51 +00:00
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gtk_egl_set_scanout_mode(vc, false);
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2015-01-20 11:43:28 +00:00
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gd_egl_draw(vc);
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}
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}
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void gd_egl_switch(DisplayChangeListener *dcl,
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DisplaySurface *surface)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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bool resized = true;
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trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
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if (vc->gfx.ds &&
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surface_width(vc->gfx.ds) == surface_width(surface) &&
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surface_height(vc->gfx.ds) == surface_height(surface)) {
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resized = false;
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}
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surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
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vc->gfx.ds = surface;
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if (vc->gfx.gls) {
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surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
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}
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if (resized) {
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gd_update_windowsize(vc);
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}
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}
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2015-05-08 09:30:51 +00:00
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QEMUGLContext gd_egl_create_context(DisplayChangeListener *dcl,
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QEMUGLParams *params)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
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vc->gfx.esurface, vc->gfx.ectx);
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return qemu_egl_create_context(dcl, params);
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}
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2017-02-21 09:37:21 +00:00
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void gd_egl_scanout_disable(DisplayChangeListener *dcl)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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vc->gfx.w = 0;
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vc->gfx.h = 0;
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gtk_egl_set_scanout_mode(vc, false);
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}
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2017-02-21 09:37:16 +00:00
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void gd_egl_scanout_texture(DisplayChangeListener *dcl,
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uint32_t backing_id, bool backing_y_0_top,
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uint32_t backing_width, uint32_t backing_height,
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uint32_t x, uint32_t y,
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uint32_t w, uint32_t h)
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2015-05-08 09:30:51 +00:00
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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vc->gfx.x = x;
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vc->gfx.y = y;
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vc->gfx.w = w;
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vc->gfx.h = h;
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vc->gfx.y0_top = backing_y_0_top;
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eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
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vc->gfx.esurface, vc->gfx.ectx);
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gtk_egl_set_scanout_mode(vc, true);
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2017-09-27 11:50:31 +00:00
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egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height,
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backing_id, false);
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2015-05-08 09:30:51 +00:00
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}
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2018-03-06 09:09:50 +00:00
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void gd_egl_scanout_dmabuf(DisplayChangeListener *dcl,
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QemuDmaBuf *dmabuf)
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{
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#ifdef CONFIG_OPENGL_DMABUF
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egl_dmabuf_import_texture(dmabuf);
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if (!dmabuf->texture) {
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return;
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}
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gd_egl_scanout_texture(dcl, dmabuf->texture,
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false, dmabuf->width, dmabuf->height,
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0, 0, dmabuf->width, dmabuf->height);
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#endif
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}
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2018-03-06 09:09:51 +00:00
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void gd_egl_cursor_dmabuf(DisplayChangeListener *dcl,
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QemuDmaBuf *dmabuf, bool have_hot,
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uint32_t hot_x, uint32_t hot_y)
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{
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#ifdef CONFIG_OPENGL_DMABUF
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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if (dmabuf) {
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egl_dmabuf_import_texture(dmabuf);
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if (!dmabuf->texture) {
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return;
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}
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egl_fb_setup_for_tex(&vc->gfx.cursor_fb, dmabuf->width, dmabuf->height,
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dmabuf->texture, false);
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} else {
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egl_fb_destroy(&vc->gfx.cursor_fb);
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}
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#endif
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}
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void gd_egl_cursor_position(DisplayChangeListener *dcl,
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uint32_t pos_x, uint32_t pos_y)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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2018-11-07 07:49:49 +00:00
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vc->gfx.cursor_x = pos_x * vc->gfx.scale_x;
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vc->gfx.cursor_y = pos_y * vc->gfx.scale_y;
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2018-03-06 09:09:51 +00:00
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}
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2018-03-06 09:09:50 +00:00
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void gd_egl_release_dmabuf(DisplayChangeListener *dcl,
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QemuDmaBuf *dmabuf)
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{
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#ifdef CONFIG_OPENGL_DMABUF
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egl_dmabuf_release_texture(dmabuf);
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#endif
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}
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2015-05-08 09:30:51 +00:00
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void gd_egl_scanout_flush(DisplayChangeListener *dcl,
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uint32_t x, uint32_t y, uint32_t w, uint32_t h)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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GdkWindow *window;
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2017-06-14 08:41:49 +00:00
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int ww, wh;
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2015-05-08 09:30:51 +00:00
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if (!vc->gfx.scanout_mode) {
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return;
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}
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2017-06-14 08:41:49 +00:00
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if (!vc->gfx.guest_fb.framebuffer) {
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2015-05-08 09:30:51 +00:00
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return;
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}
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eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
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vc->gfx.esurface, vc->gfx.ectx);
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window = gtk_widget_get_window(vc->gfx.drawing_area);
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2018-08-22 13:15:52 +00:00
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ww = gdk_window_get_width(window);
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wh = gdk_window_get_height(window);
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2017-06-14 08:41:49 +00:00
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egl_fb_setup_default(&vc->gfx.win_fb, ww, wh);
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2018-03-06 09:09:51 +00:00
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if (vc->gfx.cursor_fb.texture) {
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egl_texture_blit(vc->gfx.gls, &vc->gfx.win_fb, &vc->gfx.guest_fb,
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vc->gfx.y0_top);
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egl_texture_blend(vc->gfx.gls, &vc->gfx.win_fb, &vc->gfx.cursor_fb,
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vc->gfx.y0_top,
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vc->gfx.cursor_x, vc->gfx.cursor_y);
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} else {
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egl_fb_blit(&vc->gfx.win_fb, &vc->gfx.guest_fb, !vc->gfx.y0_top);
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}
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2015-05-08 09:30:51 +00:00
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eglSwapBuffers(qemu_egl_display, vc->gfx.esurface);
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}
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2018-06-18 11:21:41 +00:00
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void gtk_egl_init(DisplayGLMode mode)
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2015-01-20 11:43:28 +00:00
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{
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GdkDisplay *gdk_display = gdk_display_get_default();
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Display *x11_display = gdk_x11_display_get_xdisplay(gdk_display);
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2018-06-18 11:21:41 +00:00
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if (qemu_egl_init_dpy_x11(x11_display, mode) < 0) {
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2015-01-20 11:43:28 +00:00
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return;
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}
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display_opengl = 1;
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}
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2015-05-08 09:30:51 +00:00
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int gd_egl_make_current(DisplayChangeListener *dcl,
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QEMUGLContext ctx)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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return eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
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vc->gfx.esurface, ctx);
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}
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