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Commit | Line | Data |
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925a0400 GH |
1 | /* |
2 | * GTK UI -- glarea opengl code. | |
3 | * | |
4 | * Requires 3.16+ (GtkGLArea widget). | |
5 | * | |
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 | */ | |
9 | ||
e16f4c87 | 10 | #include "qemu/osdep.h" |
65b847d2 | 11 | #include "qemu/main-loop.h" |
925a0400 GH |
12 | |
13 | #include "trace.h" | |
14 | ||
15 | #include "ui/console.h" | |
16 | #include "ui/gtk.h" | |
17 | #include "ui/egl-helpers.h" | |
18 | ||
19 | #include "sysemu/sysemu.h" | |
20 | ||
21 | static void gtk_gl_area_set_scanout_mode(VirtualConsole *vc, bool scanout) | |
22 | { | |
23 | if (vc->gfx.scanout_mode == scanout) { | |
24 | return; | |
25 | } | |
26 | ||
27 | vc->gfx.scanout_mode = scanout; | |
28 | if (!vc->gfx.scanout_mode) { | |
a4f113fd | 29 | egl_fb_destroy(&vc->gfx.guest_fb); |
925a0400 GH |
30 | if (vc->gfx.surface) { |
31 | surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds); | |
32 | surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); | |
33 | } | |
34 | } | |
35 | } | |
36 | ||
37 | /** DisplayState Callbacks (opengl version) **/ | |
38 | ||
39 | void gd_gl_area_draw(VirtualConsole *vc) | |
40 | { | |
55f4b767 DK |
41 | #ifdef CONFIG_GBM |
42 | QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf; | |
43 | #endif | |
4323118c | 44 | int ww, wh, ws, y1, y2; |
925a0400 GH |
45 | |
46 | if (!vc->gfx.gls) { | |
47 | return; | |
48 | } | |
49 | ||
50 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
4323118c AO |
51 | ws = gdk_window_get_scale_factor(gtk_widget_get_window(vc->gfx.drawing_area)); |
52 | ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area) * ws; | |
53 | wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area) * ws; | |
925a0400 GH |
54 | |
55 | if (vc->gfx.scanout_mode) { | |
a4f113fd | 56 | if (!vc->gfx.guest_fb.framebuffer) { |
925a0400 GH |
57 | return; |
58 | } | |
59 | ||
55f4b767 DK |
60 | #ifdef CONFIG_GBM |
61 | if (dmabuf) { | |
62 | if (!dmabuf->draw_submitted) { | |
63 | return; | |
64 | } else { | |
65 | dmabuf->draw_submitted = false; | |
66 | } | |
67 | } | |
68 | #endif | |
69 | ||
a4f113fd | 70 | glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.framebuffer); |
925a0400 GH |
71 | /* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */ |
72 | ||
73 | glViewport(0, 0, ww, wh); | |
74 | y1 = vc->gfx.y0_top ? 0 : vc->gfx.h; | |
75 | y2 = vc->gfx.y0_top ? vc->gfx.h : 0; | |
76 | glBlitFramebuffer(0, y1, vc->gfx.w, y2, | |
77 | 0, 0, ww, wh, | |
78 | GL_COLOR_BUFFER_BIT, GL_NEAREST); | |
55f4b767 DK |
79 | #ifdef CONFIG_GBM |
80 | if (dmabuf) { | |
81 | egl_dmabuf_create_sync(dmabuf); | |
82 | } | |
83 | #endif | |
84 | glFlush(); | |
85 | #ifdef CONFIG_GBM | |
86 | if (dmabuf) { | |
87 | egl_dmabuf_create_fence(dmabuf); | |
88 | if (dmabuf->fence_fd > 0) { | |
89 | qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NULL, vc); | |
90 | return; | |
91 | } | |
92 | graphic_hw_gl_block(vc->gfx.dcl.con, false); | |
93 | } | |
94 | #endif | |
925a0400 GH |
95 | } else { |
96 | if (!vc->gfx.ds) { | |
97 | return; | |
98 | } | |
99 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
100 | ||
101 | surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh); | |
102 | surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds); | |
103 | } | |
104 | } | |
105 | ||
106 | void gd_gl_area_update(DisplayChangeListener *dcl, | |
107 | int x, int y, int w, int h) | |
108 | { | |
109 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); | |
110 | ||
111 | if (!vc->gfx.gls || !vc->gfx.ds) { | |
112 | return; | |
113 | } | |
114 | ||
115 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
116 | surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h); | |
117 | vc->gfx.glupdates++; | |
118 | } | |
119 | ||
120 | void gd_gl_area_refresh(DisplayChangeListener *dcl) | |
121 | { | |
122 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); | |
123 | ||
aeffd071 | 124 | gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : vc->gfx.drawing_area); |
760deab3 | 125 | |
925a0400 GH |
126 | if (!vc->gfx.gls) { |
127 | if (!gtk_widget_get_realized(vc->gfx.drawing_area)) { | |
128 | return; | |
129 | } | |
130 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
46e19e14 | 131 | vc->gfx.gls = qemu_gl_init_shader(); |
925a0400 GH |
132 | if (vc->gfx.ds) { |
133 | surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); | |
134 | } | |
135 | } | |
136 | ||
137 | graphic_hw_update(dcl->con); | |
138 | ||
139 | if (vc->gfx.glupdates) { | |
140 | vc->gfx.glupdates = 0; | |
141 | gtk_gl_area_set_scanout_mode(vc, false); | |
142 | gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area)); | |
143 | } | |
144 | } | |
145 | ||
146 | void gd_gl_area_switch(DisplayChangeListener *dcl, | |
147 | DisplaySurface *surface) | |
148 | { | |
149 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); | |
150 | bool resized = true; | |
151 | ||
152 | trace_gd_switch(vc->label, surface_width(surface), surface_height(surface)); | |
153 | ||
154 | if (vc->gfx.ds && | |
155 | surface_width(vc->gfx.ds) == surface_width(surface) && | |
156 | surface_height(vc->gfx.ds) == surface_height(surface)) { | |
157 | resized = false; | |
158 | } | |
159 | ||
160 | if (vc->gfx.gls) { | |
161 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
162 | surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds); | |
163 | surface_gl_create_texture(vc->gfx.gls, surface); | |
164 | } | |
165 | vc->gfx.ds = surface; | |
166 | ||
167 | if (resized) { | |
168 | gd_update_windowsize(vc); | |
169 | } | |
170 | } | |
171 | ||
09053670 VR |
172 | static int gd_cmp_gl_context_version(int major, int minor, QEMUGLParams *params) |
173 | { | |
174 | if (major > params->major_ver) { | |
175 | return 1; | |
176 | } | |
177 | if (major < params->major_ver) { | |
178 | return -1; | |
179 | } | |
180 | if (minor > params->minor_ver) { | |
181 | return 1; | |
182 | } | |
183 | if (minor < params->minor_ver) { | |
184 | return -1; | |
185 | } | |
186 | return 0; | |
187 | } | |
188 | ||
5e79d516 | 189 | QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc, |
925a0400 GH |
190 | QEMUGLParams *params) |
191 | { | |
5e79d516 | 192 | VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc); |
925a0400 GH |
193 | GdkWindow *window; |
194 | GdkGLContext *ctx; | |
195 | GError *err = NULL; | |
09053670 | 196 | int major, minor; |
925a0400 | 197 | |
925a0400 GH |
198 | window = gtk_widget_get_window(vc->gfx.drawing_area); |
199 | ctx = gdk_window_create_gl_context(window, &err); | |
2cd1e3f9 PN |
200 | if (err) { |
201 | g_printerr("Create gdk gl context failed: %s\n", err->message); | |
202 | g_error_free(err); | |
203 | return NULL; | |
204 | } | |
925a0400 GH |
205 | gdk_gl_context_set_required_version(ctx, |
206 | params->major_ver, | |
207 | params->minor_ver); | |
208 | gdk_gl_context_realize(ctx, &err); | |
2cd1e3f9 PN |
209 | if (err) { |
210 | g_printerr("Realize gdk gl context failed: %s\n", err->message); | |
211 | g_error_free(err); | |
212 | g_clear_object(&ctx); | |
213 | return NULL; | |
214 | } | |
09053670 VR |
215 | |
216 | gdk_gl_context_make_current(ctx); | |
217 | gdk_gl_context_get_version(ctx, &major, &minor); | |
218 | gdk_gl_context_clear_current(); | |
219 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
220 | ||
221 | if (gd_cmp_gl_context_version(major, minor, params) == -1) { | |
222 | /* created ctx version < requested version */ | |
223 | g_clear_object(&ctx); | |
224 | } | |
225 | ||
226 | trace_gd_gl_area_create_context(ctx, params->major_ver, params->minor_ver); | |
925a0400 GH |
227 | return ctx; |
228 | } | |
229 | ||
5e79d516 | 230 | void gd_gl_area_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx) |
925a0400 | 231 | { |
e561b3b7 VR |
232 | GdkGLContext *current_ctx = gdk_gl_context_get_current(); |
233 | ||
234 | trace_gd_gl_area_destroy_context(ctx, current_ctx); | |
235 | if (ctx == current_ctx) { | |
236 | gdk_gl_context_clear_current(); | |
237 | } | |
238 | g_clear_object(&ctx); | |
925a0400 GH |
239 | } |
240 | ||
f4c36bda GH |
241 | void gd_gl_area_scanout_texture(DisplayChangeListener *dcl, |
242 | uint32_t backing_id, | |
243 | bool backing_y_0_top, | |
244 | uint32_t backing_width, | |
245 | uint32_t backing_height, | |
246 | uint32_t x, uint32_t y, | |
bf41ab61 MAL |
247 | uint32_t w, uint32_t h, |
248 | void *d3d_tex2d) | |
925a0400 GH |
249 | { |
250 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); | |
251 | ||
252 | vc->gfx.x = x; | |
253 | vc->gfx.y = y; | |
254 | vc->gfx.w = w; | |
255 | vc->gfx.h = h; | |
925a0400 GH |
256 | vc->gfx.y0_top = backing_y_0_top; |
257 | ||
258 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
259 | ||
2ff408de | 260 | if (backing_id == 0 || vc->gfx.w == 0 || vc->gfx.h == 0) { |
925a0400 GH |
261 | gtk_gl_area_set_scanout_mode(vc, false); |
262 | return; | |
263 | } | |
264 | ||
265 | gtk_gl_area_set_scanout_mode(vc, true); | |
74083f9c GH |
266 | egl_fb_setup_for_tex(&vc->gfx.guest_fb, backing_width, backing_height, |
267 | backing_id, false); | |
925a0400 GH |
268 | } |
269 | ||
568b12fc MAL |
270 | void gd_gl_area_scanout_disable(DisplayChangeListener *dcl) |
271 | { | |
272 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); | |
273 | ||
274 | gtk_gl_area_set_scanout_mode(vc, false); | |
275 | } | |
276 | ||
925a0400 GH |
277 | void gd_gl_area_scanout_flush(DisplayChangeListener *dcl, |
278 | uint32_t x, uint32_t y, uint32_t w, uint32_t h) | |
279 | { | |
280 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); | |
281 | ||
64f1359b | 282 | if (vc->gfx.guest_fb.dmabuf && !vc->gfx.guest_fb.dmabuf->draw_submitted) { |
65b847d2 | 283 | graphic_hw_gl_block(vc->gfx.dcl.con, true); |
55f4b767 | 284 | vc->gfx.guest_fb.dmabuf->draw_submitted = true; |
65b847d2 | 285 | } |
925a0400 GH |
286 | gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area)); |
287 | } | |
288 | ||
2606519b MAL |
289 | void gd_gl_area_scanout_dmabuf(DisplayChangeListener *dcl, |
290 | QemuDmaBuf *dmabuf) | |
291 | { | |
bc6a3565 | 292 | #ifdef CONFIG_GBM |
2606519b MAL |
293 | VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); |
294 | ||
295 | gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); | |
296 | egl_dmabuf_import_texture(dmabuf); | |
297 | if (!dmabuf->texture) { | |
298 | return; | |
299 | } | |
300 | ||
301 | gd_gl_area_scanout_texture(dcl, dmabuf->texture, | |
94400fa5 | 302 | dmabuf->y0_top, dmabuf->width, dmabuf->height, |
37802a24 | 303 | dmabuf->x, dmabuf->y, dmabuf->scanout_width, |
bf41ab61 | 304 | dmabuf->scanout_height, NULL); |
65b847d2 VK |
305 | |
306 | if (dmabuf->allow_fences) { | |
307 | vc->gfx.guest_fb.dmabuf = dmabuf; | |
308 | } | |
2606519b MAL |
309 | #endif |
310 | } | |
311 | ||
925a0400 GH |
312 | void gtk_gl_area_init(void) |
313 | { | |
314 | display_opengl = 1; | |
315 | } | |
316 | ||
5e79d516 | 317 | int gd_gl_area_make_current(DisplayGLCtx *dgc, |
925a0400 GH |
318 | QEMUGLContext ctx) |
319 | { | |
320 | gdk_gl_context_make_current(ctx); | |
321 | return 0; | |
322 | } |