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/osdep.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
);
38 size_t surface_data_offset
;
39 assert(!scon
->opengl
);
48 surface_data_offset
= surface_bytes_per_pixel(surf
) * x
+
49 surface_stride(surf
) * y
;
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
);
63 void sdl2_2d_switch(DisplayChangeListener
*dcl
,
64 DisplaySurface
*new_surface
)
66 struct sdl2_console
*scon
= container_of(dcl
, struct sdl2_console
, dcl
);
67 DisplaySurface
*old_surface
= scon
->surface
;
70 assert(!scon
->opengl
);
72 scon
->surface
= new_surface
;
75 SDL_DestroyTexture(scon
->texture
);
80 sdl2_window_destroy(scon
);
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
);
92 SDL_RenderSetLogicalSize(scon
->real_renderer
,
93 surface_width(new_surface
),
94 surface_height(new_surface
));
96 switch (surface_format(scon
->surface
)) {
98 format
= SDL_PIXELFORMAT_ARGB1555
;
101 format
= SDL_PIXELFORMAT_RGB565
;
103 case PIXMAN_a8r8g8b8
:
104 case PIXMAN_x8r8g8b8
:
105 format
= SDL_PIXELFORMAT_ARGB8888
;
107 case PIXMAN_a8b8g8r8
:
108 case PIXMAN_x8b8g8r8
:
109 format
= SDL_PIXELFORMAT_ABGR8888
;
111 case PIXMAN_r8g8b8a8
:
112 case PIXMAN_r8g8b8x8
:
113 format
= SDL_PIXELFORMAT_RGBA8888
;
115 case PIXMAN_b8g8r8x8
:
116 format
= SDL_PIXELFORMAT_BGRX8888
;
118 case PIXMAN_b8g8r8a8
:
119 format
= SDL_PIXELFORMAT_BGRA8888
;
122 g_assert_not_reached();
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
);
131 void sdl2_2d_refresh(DisplayChangeListener
*dcl
)
133 struct sdl2_console
*scon
= container_of(dcl
, struct sdl2_console
, dcl
);
135 assert(!scon
->opengl
);
136 graphic_hw_update(dcl
->con
);
137 sdl2_poll_events(scon
);
140 void sdl2_2d_redraw(struct sdl2_console
*scon
)
142 assert(!scon
->opengl
);
144 if (!scon
->surface
) {
147 sdl2_2d_update(&scon
->dcl
, 0, 0,
148 surface_width(scon
->surface
),
149 surface_height(scon
->surface
));
152 bool sdl2_2d_check_format(DisplayChangeListener
*dcl
,
153 pixman_format_code_t format
)
156 * We let SDL convert for us a few more formats than,
157 * the native ones. Thes are the ones I have tested.
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
);