From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/ui/sdl2-2d.c | 147 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 qemu/ui/sdl2-2d.c (limited to 'qemu/ui/sdl2-2d.c') diff --git a/qemu/ui/sdl2-2d.c b/qemu/ui/sdl2-2d.c new file mode 100644 index 000000000..d0b340f95 --- /dev/null +++ b/qemu/ui/sdl2-2d.c @@ -0,0 +1,147 @@ +/* + * 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. */ + +#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; + + assert(!scon->opengl); + + 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; + + assert(!scon->opengl); + + 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)); + + switch (surface_format(scon->surface)) { + case PIXMAN_x1r5g5b5: + format = SDL_PIXELFORMAT_ARGB1555; + break; + case PIXMAN_r5g6b5: + format = SDL_PIXELFORMAT_RGB565; + break; + case PIXMAN_x8r8g8b8: + format = SDL_PIXELFORMAT_ARGB8888; + break; + case PIXMAN_r8g8b8x8: + format = SDL_PIXELFORMAT_RGBA8888; + break; + default: + g_assert_not_reached(); + } + 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); + + assert(!scon->opengl); + graphic_hw_update(dcl->con); + sdl2_poll_events(scon); +} + +void sdl2_2d_redraw(struct sdl2_console *scon) +{ + assert(!scon->opengl); + + 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); +} -- cgit 1.2.3-korg