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		62959ffe45
		
	
	
	
	
		
			
			Now that common event handling code is split off, we can move over sdl_refresh to sdl2-2d.c, and rename it to sdl2_2d_refresh. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
		
			
				
	
	
		
			123 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * QEMU SDL display driver
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|  *
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|  * Copyright (c) 2003 Fabrice Bellard
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a copy
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|  * of this software and associated documentation files (the "Software"), to deal
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|  * in the Software without restriction, including without limitation the rights
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|  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  * copies of the Software, and to permit persons to whom the Software is
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|  * furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  * THE SOFTWARE.
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|  */
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| /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
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| 
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| /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
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| #undef WIN32_LEAN_AND_MEAN
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| 
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| #include <SDL.h>
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| #include <SDL_syswm.h>
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| 
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| #include "qemu-common.h"
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| #include "ui/console.h"
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| #include "ui/input.h"
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| #include "ui/sdl2.h"
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| #include "sysemu/sysemu.h"
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| 
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| void sdl2_2d_update(DisplayChangeListener *dcl,
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|                     int x, int y, int w, int h)
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| {
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|     struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
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|     DisplaySurface *surf = qemu_console_surface(dcl->con);
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|     SDL_Rect rect;
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| 
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|     if (!surf) {
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|         return;
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|     }
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|     if (!scon->texture) {
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|         return;
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|     }
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| 
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|     rect.x = x;
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|     rect.y = y;
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|     rect.w = w;
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|     rect.h = h;
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| 
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|     SDL_UpdateTexture(scon->texture, NULL, surface_data(surf),
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|                       surface_stride(surf));
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|     SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect);
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|     SDL_RenderPresent(scon->real_renderer);
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| }
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| 
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| void sdl2_2d_switch(DisplayChangeListener *dcl,
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|                     DisplaySurface *new_surface)
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| {
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|     struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
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|     DisplaySurface *old_surface = scon->surface;
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|     int format = 0;
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| 
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|     scon->surface = new_surface;
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| 
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|     if (scon->texture) {
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|         SDL_DestroyTexture(scon->texture);
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|         scon->texture = NULL;
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|     }
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| 
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|     if (!new_surface) {
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|         sdl2_window_destroy(scon);
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|         return;
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|     }
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| 
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|     if (!scon->real_window) {
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|         sdl2_window_create(scon);
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|     } else if (old_surface &&
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|                ((surface_width(old_surface)  != surface_width(new_surface)) ||
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|                 (surface_height(old_surface) != surface_height(new_surface)))) {
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|         sdl2_window_resize(scon);
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|     }
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| 
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|     SDL_RenderSetLogicalSize(scon->real_renderer,
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|                              surface_width(new_surface),
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|                              surface_height(new_surface));
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| 
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|     if (surface_bits_per_pixel(scon->surface) == 16) {
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|         format = SDL_PIXELFORMAT_RGB565;
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|     } else if (surface_bits_per_pixel(scon->surface) == 32) {
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|         format = SDL_PIXELFORMAT_ARGB8888;
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|     }
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|     scon->texture = SDL_CreateTexture(scon->real_renderer, format,
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|                                       SDL_TEXTUREACCESS_STREAMING,
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|                                       surface_width(new_surface),
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|                                       surface_height(new_surface));
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|     sdl2_2d_redraw(scon);
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| }
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| 
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| void sdl2_2d_refresh(DisplayChangeListener *dcl)
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| {
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|     struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
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| 
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|     graphic_hw_update(dcl->con);
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|     sdl2_poll_events(scon);
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| }
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| 
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| void sdl2_2d_redraw(struct sdl2_console *scon)
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| {
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|     if (!scon->surface) {
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|         return;
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|     }
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|     sdl2_2d_update(&scon->dcl, 0, 0,
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|                    surface_width(scon->surface),
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|                    surface_height(scon->surface));
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| }
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