248 lines
6.9 KiB
C
248 lines
6.9 KiB
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 "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) {
|
|
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)
|
|
{
|
|
int ww, wh, y1, y2;
|
|
|
|
if (!vc->gfx.gls) {
|
|
return;
|
|
}
|
|
|
|
gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
|
|
ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area);
|
|
wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area);
|
|
|
|
if (vc->gfx.scanout_mode) {
|
|
if (!vc->gfx.guest_fb.framebuffer) {
|
|
return;
|
|
}
|
|
|
|
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);
|
|
} 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);
|
|
}
|
|
|
|
glFlush();
|
|
graphic_hw_gl_flushed(vc->gfx.dcl.con);
|
|
}
|
|
|
|
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++;
|
|
}
|
|
|
|
void gd_gl_area_refresh(DisplayChangeListener *dcl)
|
|
{
|
|
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
QEMUGLContext gd_gl_area_create_context(DisplayChangeListener *dcl,
|
|
QEMUGLParams *params)
|
|
{
|
|
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
|
|
GdkWindow *window;
|
|
GdkGLContext *ctx;
|
|
GError *err = NULL;
|
|
|
|
gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
|
|
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;
|
|
}
|
|
return ctx;
|
|
}
|
|
|
|
void gd_gl_area_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx)
|
|
{
|
|
/* FIXME */
|
|
}
|
|
|
|
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)
|
|
{
|
|
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);
|
|
|
|
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);
|
|
|
|
gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
|
|
egl_dmabuf_import_texture(dmabuf);
|
|
if (!dmabuf->texture) {
|
|
return;
|
|
}
|
|
|
|
gd_gl_area_scanout_texture(dcl, dmabuf->texture,
|
|
false, dmabuf->width, dmabuf->height,
|
|
0, 0, dmabuf->width, dmabuf->height);
|
|
#endif
|
|
}
|
|
|
|
void gtk_gl_area_init(void)
|
|
{
|
|
display_opengl = 1;
|
|
}
|
|
|
|
int gd_gl_area_make_current(DisplayChangeListener *dcl,
|
|
QEMUGLContext ctx)
|
|
{
|
|
gdk_gl_context_make_current(ctx);
|
|
return 0;
|
|
}
|