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/*
* QEMU SDL display driver
*
* Copyright (c) 2003 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
#undef WIN32_LEAN_AND_MEAN
#include <SDL.h>
#include <SDL_syswm.h>
#include "qemu-common.h"
#include "ui/console.h"
#include "ui/input.h"
#include "ui/sdl2.h"
#include "sysemu/sysemu.h"
void sdl2_2d_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
DisplaySurface *surf = qemu_console_surface(dcl->con);
SDL_Rect rect;
if (!surf) {
return;
}
if (!scon->texture) {
return;
}
rect.x = x;
rect.y = y;
rect.w = w;
rect.h = h;
SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
surface_stride(surf));
SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
SDL_RenderPresent(scon->real_renderer);
}
void sdl2_2d_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
DisplaySurface *old_surface = scon->surface;
int format = 0;
scon->surface = new_surface;
if (scon->texture) {
SDL_DestroyTexture(scon->texture);
scon->texture = NULL;
}
if (!new_surface) {
sdl2_window_destroy(scon);
return;
}
if (!scon->real_window) {
sdl2_window_create(scon);
} else if (old_surface &&
((surface_width(old_surface) != surface_width(new_surface)) ||
(surface_height(old_surface) != surface_height(new_surface)))) {
sdl2_window_resize(scon);
}
SDL_RenderSetLogicalSize(scon->real_renderer,
surface_width(new_surface),
surface_height(new_surface));
if (surface_bits_per_pixel(scon->surface) == 16) {
format = SDL_PIXELFORMAT_RGB565;
} else if (surface_bits_per_pixel(scon->surface) == 32) {
format = SDL_PIXELFORMAT_ARGB8888;
}
scon->texture = SDL_CreateTexture(scon->real_renderer, format,
SDL_TEXTUREACCESS_STREAMING,
surface_width(new_surface),
surface_height(new_surface));
sdl2_2d_redraw(scon);
}
void sdl2_2d_refresh(DisplayChangeListener *dcl)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
graphic_hw_update(dcl->con);
sdl2_poll_events(scon);
}
void sdl2_2d_redraw(struct sdl2_console *scon)
{
if (!scon->surface) {
return;
}
sdl2_2d_update(&scon->dcl, 0, 0,
surface_width(scon->surface),
surface_height(scon->surface));
}
bool sdl2_2d_check_format(DisplayChangeListener *dcl,
pixman_format_code_t format)
{
/*
* We let SDL convert for us a few more formats than,
* the native ones. Thes are the ones I have tested.
*/
return (format == PIXMAN_x8r8g8b8 ||
format == PIXMAN_b8g8r8x8 ||
format == PIXMAN_x1r5g5b5 ||
format == PIXMAN_r5g6b5);
}
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