/* * 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); }