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26#include "qemu/osdep.h"
27#include "ui/console.h"
28#include "ui/input.h"
29#include "ui/sdl2.h"
30#include "sysemu/sysemu.h"
31
32void sdl2_2d_update(DisplayChangeListener *dcl,
33 int x, int y, int w, int h)
34{
35 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
36 DisplaySurface *surf = qemu_console_surface(dcl->con);
37 SDL_Rect rect;
38 size_t surface_data_offset;
39 assert(!scon->opengl);
40
41 if (!surf) {
42 return;
43 }
44 if (!scon->texture) {
45 return;
46 }
47
48 surface_data_offset = surface_bytes_per_pixel(surf) * x +
49 surface_stride(surf) * y;
50 rect.x = x;
51 rect.y = y;
52 rect.w = w;
53 rect.h = h;
54
55 SDL_UpdateTexture(scon->texture, &rect,
56 surface_data(surf) + surface_data_offset,
57 surface_stride(surf));
58 SDL_RenderClear(scon->real_renderer);
59 SDL_RenderCopy(scon->real_renderer, scon->texture, NULL, NULL);
60 SDL_RenderPresent(scon->real_renderer);
61}
62
63void sdl2_2d_switch(DisplayChangeListener *dcl,
64 DisplaySurface *new_surface)
65{
66 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
67 DisplaySurface *old_surface = scon->surface;
68 int format = 0;
69
70 assert(!scon->opengl);
71
72 scon->surface = new_surface;
73
74 if (scon->texture) {
75 SDL_DestroyTexture(scon->texture);
76 scon->texture = NULL;
77 }
78
79 if (!new_surface) {
80 sdl2_window_destroy(scon);
81 return;
82 }
83
84 if (!scon->real_window) {
85 sdl2_window_create(scon);
86 } else if (old_surface &&
87 ((surface_width(old_surface) != surface_width(new_surface)) ||
88 (surface_height(old_surface) != surface_height(new_surface)))) {
89 sdl2_window_resize(scon);
90 }
91
92 SDL_RenderSetLogicalSize(scon->real_renderer,
93 surface_width(new_surface),
94 surface_height(new_surface));
95
96 switch (surface_format(scon->surface)) {
97 case PIXMAN_x1r5g5b5:
98 format = SDL_PIXELFORMAT_ARGB1555;
99 break;
100 case PIXMAN_r5g6b5:
101 format = SDL_PIXELFORMAT_RGB565;
102 break;
103 case PIXMAN_a8r8g8b8:
104 case PIXMAN_x8r8g8b8:
105 format = SDL_PIXELFORMAT_ARGB8888;
106 break;
107 case PIXMAN_a8b8g8r8:
108 case PIXMAN_x8b8g8r8:
109 format = SDL_PIXELFORMAT_ABGR8888;
110 break;
111 case PIXMAN_r8g8b8a8:
112 case PIXMAN_r8g8b8x8:
113 format = SDL_PIXELFORMAT_RGBA8888;
114 break;
115 case PIXMAN_b8g8r8x8:
116 format = SDL_PIXELFORMAT_BGRX8888;
117 break;
118 case PIXMAN_b8g8r8a8:
119 format = SDL_PIXELFORMAT_BGRA8888;
120 break;
121 default:
122 g_assert_not_reached();
123 }
124 scon->texture = SDL_CreateTexture(scon->real_renderer, format,
125 SDL_TEXTUREACCESS_STREAMING,
126 surface_width(new_surface),
127 surface_height(new_surface));
128 sdl2_2d_redraw(scon);
129}
130
131void sdl2_2d_refresh(DisplayChangeListener *dcl)
132{
133 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
134
135 assert(!scon->opengl);
136 graphic_hw_update(dcl->con);
137 sdl2_poll_events(scon);
138}
139
140void sdl2_2d_redraw(struct sdl2_console *scon)
141{
142 assert(!scon->opengl);
143
144 if (!scon->surface) {
145 return;
146 }
147 sdl2_2d_update(&scon->dcl, 0, 0,
148 surface_width(scon->surface),
149 surface_height(scon->surface));
150}
151
152bool sdl2_2d_check_format(DisplayChangeListener *dcl,
153 pixman_format_code_t format)
154{
155
156
157
158
159 return (format == PIXMAN_x8r8g8b8 ||
160 format == PIXMAN_a8r8g8b8 ||
161 format == PIXMAN_a8b8g8r8 ||
162 format == PIXMAN_x8b8g8r8 ||
163 format == PIXMAN_b8g8r8x8 ||
164 format == PIXMAN_b8g8r8a8 ||
165 format == PIXMAN_r8g8b8x8 ||
166 format == PIXMAN_r8g8b8a8 ||
167 format == PIXMAN_x1r5g5b5 ||
168 format == PIXMAN_r5g6b5);
169}
170