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https://gitlab.com/qemu-project/qemu.git
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fa6426805b
This commit updates all occurrences where these fields were set directly have been updated to utilize helper functions. v7: removed prefix, "dpy_gl_" from all helpers v8: Introduction of helpers was removed as those were already added by the previous commit Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Cc: Philippe Mathieu-Daudé <philmd@linaro.org> Cc: Daniel P. Berrangé <berrange@redhat.com> Cc: Vivek Kasireddy <vivek.kasireddy@intel.com> Signed-off-by: Dongwon Kim <dongwon.kim@intel.com> Message-Id: <20240508175403.3399895-5-dongwon.kim@intel.com>
345 lines
9.9 KiB
C
345 lines
9.9 KiB
C
/*
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* GTK UI -- glarea opengl code.
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*
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* Requires 3.16+ (GtkGLArea widget).
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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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#include "qemu/osdep.h"
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#include "qemu/main-loop.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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#include "sysemu/sysemu.h"
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static void gtk_gl_area_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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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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egl_fb_destroy(&vc->gfx.guest_fb);
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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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/** DisplayState Callbacks (opengl version) **/
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void gd_gl_area_draw(VirtualConsole *vc)
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{
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#ifdef CONFIG_GBM
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QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
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#endif
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int ww, wh, ws, y1, y2;
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if (!vc->gfx.gls) {
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return;
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}
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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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ws = gdk_window_get_scale_factor(gtk_widget_get_window(vc->gfx.drawing_area));
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ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area) * ws;
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wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area) * ws;
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if (vc->gfx.scanout_mode) {
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if (!vc->gfx.guest_fb.framebuffer) {
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return;
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}
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#ifdef CONFIG_GBM
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if (dmabuf) {
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if (!qemu_dmabuf_get_draw_submitted(dmabuf)) {
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return;
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} else {
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qemu_dmabuf_set_draw_submitted(dmabuf, false);
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}
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}
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#endif
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glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.framebuffer);
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/* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */
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glViewport(0, 0, ww, wh);
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y1 = vc->gfx.y0_top ? 0 : vc->gfx.h;
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y2 = vc->gfx.y0_top ? vc->gfx.h : 0;
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glBlitFramebuffer(0, y1, vc->gfx.w, y2,
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0, 0, ww, wh,
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GL_COLOR_BUFFER_BIT, GL_NEAREST);
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#ifdef CONFIG_GBM
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if (dmabuf) {
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egl_dmabuf_create_sync(dmabuf);
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}
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#endif
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glFlush();
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#ifdef CONFIG_GBM
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if (dmabuf) {
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int fence_fd;
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egl_dmabuf_create_fence(dmabuf);
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fence_fd = qemu_dmabuf_get_fence_fd(dmabuf);
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if (fence_fd >= 0) {
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qemu_set_fd_handler(fence_fd, gd_hw_gl_flushed, NULL, vc);
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return;
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}
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graphic_hw_gl_block(vc->gfx.dcl.con, false);
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}
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#endif
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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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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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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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}
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}
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void gd_gl_area_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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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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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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gdk_gl_context_clear_current();
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}
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void gd_gl_area_refresh(DisplayChangeListener *dcl)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : vc->gfx.drawing_area);
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if (vc->gfx.guest_fb.dmabuf &&
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qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) {
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gd_gl_area_draw(vc);
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return;
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}
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if (!vc->gfx.gls) {
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if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
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return;
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}
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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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vc->gfx.gls = qemu_gl_init_shader();
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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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gtk_gl_area_set_scanout_mode(vc, false);
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gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
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}
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}
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void gd_gl_area_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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if (vc->gfx.gls) {
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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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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, surface);
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}
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vc->gfx.ds = surface;
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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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static int gd_cmp_gl_context_version(int major, int minor, QEMUGLParams *params)
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{
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if (major > params->major_ver) {
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return 1;
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}
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if (major < params->major_ver) {
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return -1;
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}
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if (minor > params->minor_ver) {
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return 1;
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}
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if (minor < params->minor_ver) {
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return -1;
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}
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return 0;
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}
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QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc,
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QEMUGLParams *params)
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{
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VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc);
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GdkWindow *window;
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GdkGLContext *ctx;
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GError *err = NULL;
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int major, minor;
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window = gtk_widget_get_window(vc->gfx.drawing_area);
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ctx = gdk_window_create_gl_context(window, &err);
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if (err) {
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g_printerr("Create gdk gl context failed: %s\n", err->message);
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g_error_free(err);
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return NULL;
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}
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gdk_gl_context_set_required_version(ctx,
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params->major_ver,
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params->minor_ver);
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gdk_gl_context_realize(ctx, &err);
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if (err) {
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g_printerr("Realize gdk gl context failed: %s\n", err->message);
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g_error_free(err);
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g_clear_object(&ctx);
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return NULL;
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}
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gdk_gl_context_make_current(ctx);
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gdk_gl_context_get_version(ctx, &major, &minor);
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gdk_gl_context_clear_current();
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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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if (gd_cmp_gl_context_version(major, minor, params) == -1) {
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/* created ctx version < requested version */
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g_clear_object(&ctx);
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}
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trace_gd_gl_area_create_context(ctx, params->major_ver, params->minor_ver);
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return ctx;
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}
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void gd_gl_area_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx)
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{
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GdkGLContext *current_ctx = gdk_gl_context_get_current();
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trace_gd_gl_area_destroy_context(ctx, current_ctx);
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if (ctx == current_ctx) {
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gdk_gl_context_clear_current();
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}
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g_clear_object(&ctx);
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}
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void gd_gl_area_scanout_texture(DisplayChangeListener *dcl,
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uint32_t backing_id,
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bool backing_y_0_top,
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uint32_t backing_width,
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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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void *d3d_tex2d)
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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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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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if (backing_id == 0 || vc->gfx.w == 0 || vc->gfx.h == 0) {
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gtk_gl_area_set_scanout_mode(vc, false);
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return;
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}
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gtk_gl_area_set_scanout_mode(vc, true);
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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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}
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void gd_gl_area_scanout_disable(DisplayChangeListener *dcl)
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{
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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gtk_gl_area_set_scanout_mode(vc, false);
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}
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void gd_gl_area_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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if (vc->gfx.guest_fb.dmabuf &&
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!qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) {
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graphic_hw_gl_block(vc->gfx.dcl.con, true);
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qemu_dmabuf_set_draw_submitted(vc->gfx.guest_fb.dmabuf, true);
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gtk_gl_area_set_scanout_mode(vc, true);
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}
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gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
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}
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void gd_gl_area_scanout_dmabuf(DisplayChangeListener *dcl,
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QemuDmaBuf *dmabuf)
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{
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#ifdef CONFIG_GBM
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VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
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uint32_t x, y, width, height, backing_width, backing_height, texture;
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bool y0_top;
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gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
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egl_dmabuf_import_texture(dmabuf);
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texture = qemu_dmabuf_get_texture(dmabuf);
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if (!texture) {
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return;
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}
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x = qemu_dmabuf_get_x(dmabuf);
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y = qemu_dmabuf_get_y(dmabuf);
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width = qemu_dmabuf_get_width(dmabuf);
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height = qemu_dmabuf_get_height(dmabuf);
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backing_width = qemu_dmabuf_get_backing_width(dmabuf);
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backing_height = qemu_dmabuf_get_backing_height(dmabuf);
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y0_top = qemu_dmabuf_get_y0_top(dmabuf);
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gd_gl_area_scanout_texture(dcl, texture, y0_top,
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backing_width, backing_height,
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x, y, width, height, NULL);
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if (qemu_dmabuf_get_allow_fences(dmabuf)) {
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vc->gfx.guest_fb.dmabuf = dmabuf;
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}
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#endif
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}
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void gtk_gl_area_init(void)
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{
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display_opengl = 1;
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}
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int gd_gl_area_make_current(DisplayGLCtx *dgc,
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QEMUGLContext ctx)
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{
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gdk_gl_context_make_current(ctx);
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return 0;
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}
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