scripts/qemu.py: log QEMU launch command line
[qemu/ar7.git] / ui / sdl2-gl.c
blob1bf4542d8d9659340ad9e677dbdd32b589dc1075
1 /*
2 * QEMU SDL display driver -- opengl support
4 * Copyright (c) 2014 Red Hat
6 * Authors:
7 * Gerd Hoffmann <kraxel@redhat.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * THE SOFTWARE.
28 #include "qemu/osdep.h"
29 #include "qemu-common.h"
30 #include "ui/console.h"
31 #include "ui/input.h"
32 #include "ui/sdl2.h"
33 #include "sysemu/sysemu.h"
35 static void sdl2_set_scanout_mode(struct sdl2_console *scon, bool scanout)
37 if (scon->scanout_mode == scanout) {
38 return;
41 scon->scanout_mode = scanout;
42 if (!scon->scanout_mode) {
43 egl_fb_destroy(&scon->guest_fb);
44 if (scon->surface) {
45 surface_gl_destroy_texture(scon->gls, scon->surface);
46 surface_gl_create_texture(scon->gls, scon->surface);
51 static void sdl2_gl_render_surface(struct sdl2_console *scon)
53 int ww, wh;
55 SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
56 sdl2_set_scanout_mode(scon, false);
58 SDL_GetWindowSize(scon->real_window, &ww, &wh);
59 surface_gl_setup_viewport(scon->gls, scon->surface, ww, wh);
61 surface_gl_render_texture(scon->gls, scon->surface);
62 SDL_GL_SwapWindow(scon->real_window);
65 void sdl2_gl_update(DisplayChangeListener *dcl,
66 int x, int y, int w, int h)
68 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
70 assert(scon->opengl);
72 SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
73 surface_gl_update_texture(scon->gls, scon->surface, x, y, w, h);
74 scon->updates++;
77 void sdl2_gl_switch(DisplayChangeListener *dcl,
78 DisplaySurface *new_surface)
80 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
81 DisplaySurface *old_surface = scon->surface;
83 assert(scon->opengl);
85 SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
86 surface_gl_destroy_texture(scon->gls, scon->surface);
88 scon->surface = new_surface;
90 if (!new_surface) {
91 qemu_gl_fini_shader(scon->gls);
92 scon->gls = NULL;
93 sdl2_window_destroy(scon);
94 return;
97 if (!scon->real_window) {
98 sdl2_window_create(scon);
99 scon->gls = qemu_gl_init_shader();
100 } else if (old_surface &&
101 ((surface_width(old_surface) != surface_width(new_surface)) ||
102 (surface_height(old_surface) != surface_height(new_surface)))) {
103 sdl2_window_resize(scon);
106 surface_gl_create_texture(scon->gls, scon->surface);
109 void sdl2_gl_refresh(DisplayChangeListener *dcl)
111 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
113 assert(scon->opengl);
115 graphic_hw_update(dcl->con);
116 if (scon->updates && scon->surface) {
117 scon->updates = 0;
118 sdl2_gl_render_surface(scon);
120 sdl2_poll_events(scon);
123 void sdl2_gl_redraw(struct sdl2_console *scon)
125 assert(scon->opengl);
127 if (scon->scanout_mode) {
128 /* sdl2_gl_scanout_flush actually only care about
129 * the first argument. */
130 return sdl2_gl_scanout_flush(&scon->dcl, 0, 0, 0, 0);
132 if (scon->surface) {
133 sdl2_gl_render_surface(scon);
137 QEMUGLContext sdl2_gl_create_context(DisplayChangeListener *dcl,
138 QEMUGLParams *params)
140 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
141 SDL_GLContext ctx;
143 assert(scon->opengl);
145 SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
147 SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
148 if (scon->opts->gl == DISPLAYGL_MODE_ON ||
149 scon->opts->gl == DISPLAYGL_MODE_CORE) {
150 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
151 SDL_GL_CONTEXT_PROFILE_CORE);
152 } else if (scon->opts->gl == DISPLAYGL_MODE_ES) {
153 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
154 SDL_GL_CONTEXT_PROFILE_ES);
156 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, params->major_ver);
157 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, params->minor_ver);
159 ctx = SDL_GL_CreateContext(scon->real_window);
161 /* If SDL fail to create a GL context and we use the "on" flag,
162 * then try to fallback to GLES.
164 if (!ctx && scon->opts->gl == DISPLAYGL_MODE_ON) {
165 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
166 SDL_GL_CONTEXT_PROFILE_ES);
167 ctx = SDL_GL_CreateContext(scon->real_window);
169 return (QEMUGLContext)ctx;
172 void sdl2_gl_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx)
174 SDL_GLContext sdlctx = (SDL_GLContext)ctx;
176 SDL_GL_DeleteContext(sdlctx);
179 int sdl2_gl_make_context_current(DisplayChangeListener *dcl,
180 QEMUGLContext ctx)
182 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
183 SDL_GLContext sdlctx = (SDL_GLContext)ctx;
185 assert(scon->opengl);
187 return SDL_GL_MakeCurrent(scon->real_window, sdlctx);
190 QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl)
192 SDL_GLContext sdlctx;
194 sdlctx = SDL_GL_GetCurrentContext();
195 return (QEMUGLContext)sdlctx;
198 void sdl2_gl_scanout_disable(DisplayChangeListener *dcl)
200 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
202 assert(scon->opengl);
203 scon->w = 0;
204 scon->h = 0;
205 sdl2_set_scanout_mode(scon, false);
208 void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
209 uint32_t backing_id,
210 bool backing_y_0_top,
211 uint32_t backing_width,
212 uint32_t backing_height,
213 uint32_t x, uint32_t y,
214 uint32_t w, uint32_t h)
216 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
218 assert(scon->opengl);
219 scon->x = x;
220 scon->y = y;
221 scon->w = w;
222 scon->h = h;
223 scon->y0_top = backing_y_0_top;
225 SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
227 sdl2_set_scanout_mode(scon, true);
228 egl_fb_setup_for_tex(&scon->guest_fb, backing_width, backing_height,
229 backing_id, false);
232 void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
233 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
235 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
236 int ww, wh;
238 assert(scon->opengl);
239 if (!scon->scanout_mode) {
240 return;
242 if (!scon->guest_fb.framebuffer) {
243 return;
246 SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
248 SDL_GetWindowSize(scon->real_window, &ww, &wh);
249 egl_fb_setup_default(&scon->win_fb, ww, wh);
250 egl_fb_blit(&scon->win_fb, &scon->guest_fb, !scon->y0_top);
252 SDL_GL_SwapWindow(scon->real_window);