2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
26 #include "qemu-common.h"
27 #include "ui/console.h"
30 #include "sysemu/sysemu.h"
32 void sdl2_2d_update(DisplayChangeListener *dcl,
33 int x, int y, int w, int h)
35 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
36 DisplaySurface *surf = qemu_console_surface(dcl->con);
51 SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
52 surface_stride(surf));
53 SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
54 SDL_RenderPresent(scon->real_renderer);
57 void sdl2_2d_switch(DisplayChangeListener *dcl,
58 DisplaySurface *new_surface)
60 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
61 DisplaySurface *old_surface = scon->surface;
64 scon->surface = new_surface;
67 SDL_DestroyTexture(scon->texture);
72 sdl2_window_destroy(scon);
76 if (!scon->real_window) {
77 sdl2_window_create(scon);
78 } else if (old_surface &&
79 ((surface_width(old_surface) != surface_width(new_surface)) ||
80 (surface_height(old_surface) != surface_height(new_surface)))) {
81 sdl2_window_resize(scon);
84 SDL_RenderSetLogicalSize(scon->real_renderer,
85 surface_width(new_surface),
86 surface_height(new_surface));
88 if (surface_bits_per_pixel(scon->surface) == 16) {
89 format = SDL_PIXELFORMAT_RGB565;
90 } else if (surface_bits_per_pixel(scon->surface) == 32) {
91 format = SDL_PIXELFORMAT_ARGB8888;
93 scon->texture = SDL_CreateTexture(scon->real_renderer, format,
94 SDL_TEXTUREACCESS_STREAMING,
95 surface_width(new_surface),
96 surface_height(new_surface));
100 void sdl2_2d_refresh(DisplayChangeListener *dcl)
102 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
104 graphic_hw_update(dcl->con);
105 sdl2_poll_events(scon);
108 void sdl2_2d_redraw(struct sdl2_console *scon)
110 if (!scon->surface) {
113 sdl2_2d_update(&scon->dcl, 0, 0,
114 surface_width(scon->surface),
115 surface_height(scon->surface));
118 bool sdl2_2d_check_format(DisplayChangeListener *dcl,
119 pixman_format_code_t format)
122 * We let SDL convert for us a few more formats than,
123 * the native ones. Thes are the ones I have tested.
125 return (format == PIXMAN_x8r8g8b8 ||
126 format == PIXMAN_b8g8r8x8 ||
127 format == PIXMAN_x1r5g5b5 ||
128 format == PIXMAN_r5g6b5);