include/ui/console.h: Delete is_surface_bgr()
[qemu/ar7.git] / ui / gtk-gl-area.c
blobdd5783fec784f43002cdd0ac84f43d7c486a6933
1 /*
2 * GTK UI -- glarea opengl code.
4 * Requires 3.16+ (GtkGLArea widget).
6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
7 * See the COPYING file in the top-level directory.
8 */
10 #include "qemu/osdep.h"
12 #include "trace.h"
14 #include "ui/console.h"
15 #include "ui/gtk.h"
16 #include "ui/egl-helpers.h"
18 #include "sysemu/sysemu.h"
20 static void gtk_gl_area_set_scanout_mode(VirtualConsole *vc, bool scanout)
22 if (vc->gfx.scanout_mode == scanout) {
23 return;
26 vc->gfx.scanout_mode = scanout;
27 if (!vc->gfx.scanout_mode) {
28 egl_fb_destroy(&vc->gfx.guest_fb);
29 if (vc->gfx.surface) {
30 surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
31 surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
36 /** DisplayState Callbacks (opengl version) **/
38 void gd_gl_area_draw(VirtualConsole *vc)
40 int ww, wh, y1, y2;
42 if (!vc->gfx.gls) {
43 return;
46 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
47 ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area);
48 wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area);
50 if (vc->gfx.scanout_mode) {
51 if (!vc->gfx.guest_fb.framebuffer) {
52 return;
55 glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.framebuffer);
56 /* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */
58 glViewport(0, 0, ww, wh);
59 y1 = vc->gfx.y0_top ? 0 : vc->gfx.h;
60 y2 = vc->gfx.y0_top ? vc->gfx.h : 0;
61 glBlitFramebuffer(0, y1, vc->gfx.w, y2,
62 0, 0, ww, wh,
63 GL_COLOR_BUFFER_BIT, GL_NEAREST);
64 } else {
65 if (!vc->gfx.ds) {
66 return;
68 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
70 surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh);
71 surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds);
74 glFlush();
75 graphic_hw_gl_flushed(vc->gfx.dcl.con);
78 void gd_gl_area_update(DisplayChangeListener *dcl,
79 int x, int y, int w, int h)
81 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
83 if (!vc->gfx.gls || !vc->gfx.ds) {
84 return;
87 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
88 surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h);
89 vc->gfx.glupdates++;
92 void gd_gl_area_refresh(DisplayChangeListener *dcl)
94 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
96 if (!vc->gfx.gls) {
97 if (!gtk_widget_get_realized(vc->gfx.drawing_area)) {
98 return;
100 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
101 vc->gfx.gls = qemu_gl_init_shader();
102 if (vc->gfx.ds) {
103 surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
107 graphic_hw_update(dcl->con);
109 if (vc->gfx.glupdates) {
110 vc->gfx.glupdates = 0;
111 gtk_gl_area_set_scanout_mode(vc, false);
112 gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
116 void gd_gl_area_switch(DisplayChangeListener *dcl,
117 DisplaySurface *surface)
119 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
120 bool resized = true;
122 trace_gd_switch(vc->label, surface_width(surface), surface_height(surface));
124 if (vc->gfx.ds &&
125 surface_width(vc->gfx.ds) == surface_width(surface) &&
126 surface_height(vc->gfx.ds) == surface_height(surface)) {
127 resized = false;
130 if (vc->gfx.gls) {
131 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
132 surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
133 surface_gl_create_texture(vc->gfx.gls, surface);
135 vc->gfx.ds = surface;
137 if (resized) {
138 gd_update_windowsize(vc);
142 QEMUGLContext gd_gl_area_create_context(DisplayChangeListener *dcl,
143 QEMUGLParams *params)
145 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
146 GdkWindow *window;
147 GdkGLContext *ctx;
148 GError *err = NULL;
150 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
151 window = gtk_widget_get_window(vc->gfx.drawing_area);
152 ctx = gdk_window_create_gl_context(window, &err);
153 if (err) {
154 g_printerr("Create gdk gl context failed: %s\n", err->message);
155 g_error_free(err);
156 return NULL;
158 gdk_gl_context_set_required_version(ctx,
159 params->major_ver,
160 params->minor_ver);
161 gdk_gl_context_realize(ctx, &err);
162 if (err) {
163 g_printerr("Realize gdk gl context failed: %s\n", err->message);
164 g_error_free(err);
165 g_clear_object(&ctx);
166 return NULL;
168 return ctx;
171 void gd_gl_area_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx)
173 /* FIXME */
176 void gd_gl_area_scanout_texture(DisplayChangeListener *dcl,
177 uint32_t backing_id,
178 bool backing_y_0_top,
179 uint32_t backing_width,
180 uint32_t backing_height,
181 uint32_t x, uint32_t y,
182 uint32_t w, uint32_t h)
184 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
186 vc->gfx.x = x;
187 vc->gfx.y = y;
188 vc->gfx.w = w;
189 vc->gfx.h = h;
190 vc->gfx.y0_top = backing_y_0_top;
192 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
194 if (backing_id == 0 || vc->gfx.w == 0 || vc->gfx.h == 0) {
195 gtk_gl_area_set_scanout_mode(vc, false);
196 return;
199 gtk_gl_area_set_scanout_mode(vc, true);
200 egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height,
201 backing_id, false);
204 void gd_gl_area_scanout_disable(DisplayChangeListener *dcl)
206 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
208 gtk_gl_area_set_scanout_mode(vc, false);
211 void gd_gl_area_scanout_flush(DisplayChangeListener *dcl,
212 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
214 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
216 gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
219 void gd_gl_area_scanout_dmabuf(DisplayChangeListener *dcl,
220 QemuDmaBuf *dmabuf)
222 #ifdef CONFIG_GBM
223 VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
225 gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
226 egl_dmabuf_import_texture(dmabuf);
227 if (!dmabuf->texture) {
228 return;
231 gd_gl_area_scanout_texture(dcl, dmabuf->texture,
232 false, dmabuf->width, dmabuf->height,
233 0, 0, dmabuf->width, dmabuf->height);
234 #endif
237 void gtk_gl_area_init(void)
239 display_opengl = 1;
242 int gd_gl_area_make_current(DisplayChangeListener *dcl,
243 QEMUGLContext ctx)
245 gdk_gl_context_make_current(ctx);
246 return 0;