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comparison src/SDL_compat.c @ 1907:06c27a737b7a

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Streamlined the API a bit and optimized the software renderer.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 15 Jul 2006 09:46:36 +0000
parents c2a27da60b18
children 8d384b647307
comparison
equal deleted inserted replaced
1906:0c49855a7a3e 1907:06c27a737b7a
29 #include "video/SDL_sysvideo.h" 29 #include "video/SDL_sysvideo.h"
30 #include "video/SDL_pixels_c.h" 30 #include "video/SDL_pixels_c.h"
31 31
32 32
33 static SDL_WindowID SDL_VideoWindow; 33 static SDL_WindowID SDL_VideoWindow;
34 static SDL_RendererInfo SDL_VideoRendererInfo;
34 static SDL_TextureID SDL_VideoTexture; 35 static SDL_TextureID SDL_VideoTexture;
35 static SDL_Surface *SDL_VideoSurface; 36 static SDL_Surface *SDL_VideoSurface;
36 static SDL_Surface *SDL_ShadowSurface; 37 static SDL_Surface *SDL_ShadowSurface;
37 static SDL_Surface *SDL_PublicSurface; 38 static SDL_Surface *SDL_PublicSurface;
38 static char *wm_title; 39 static char *wm_title;
440 SDL_PublicSurface = SDL_VideoSurface; 441 SDL_PublicSurface = SDL_VideoSurface;
441 return SDL_PublicSurface; 442 return SDL_PublicSurface;
442 } 443 }
443 444
444 /* Create a renderer for the window */ 445 /* Create a renderer for the window */
445 if (SDL_CreateRenderer(SDL_VideoWindow, -1, SDL_Renderer_SingleBuffer) < 446 if (SDL_CreateRenderer
446 0) { 447 (SDL_VideoWindow, -1,
448 SDL_Renderer_SingleBuffer | SDL_Renderer_PresentDiscard) < 0) {
447 return NULL; 449 return NULL;
448 } 450 }
451 SDL_GetRendererInfo(-1, &SDL_VideoRendererInfo);
449 452
450 /* Create a texture for the screen surface */ 453 /* Create a texture for the screen surface */
451 SDL_VideoTexture = 454 SDL_VideoTexture =
452 SDL_CreateTexture(desired_format, SDL_TextureAccess_Local, width, 455 SDL_CreateTexture(desired_format, SDL_TextureAccess_Local, width,
453 height); 456 height);
640 643
641 /* Fall through to video surface update */ 644 /* Fall through to video surface update */
642 screen = SDL_VideoSurface; 645 screen = SDL_VideoSurface;
643 } 646 }
644 if (screen == SDL_VideoSurface) { 647 if (screen == SDL_VideoSurface) {
645 for (i = 0; i < numrects; ++i) { 648 if (SDL_VideoRendererInfo.flags & SDL_Renderer_PresentCopy) {
646 SDL_RenderCopy(SDL_VideoTexture, &rects[i], &rects[i], 649 for (i = 0; i < numrects; ++i) {
650 SDL_RenderCopy(SDL_VideoTexture, &rects[i], &rects[i],
651 SDL_TextureBlendMode_None,
652 SDL_TextureScaleMode_None);
653 }
654 } else {
655 SDL_Rect rect;
656 rect.x = 0;
657 rect.y = 0;
658 rect.w = screen->w;
659 rect.h = screen->h;
660 SDL_RenderCopy(SDL_VideoTexture, &rect, &rect,
647 SDL_TextureBlendMode_None, 661 SDL_TextureBlendMode_None,
648 SDL_TextureScaleMode_None); 662 SDL_TextureScaleMode_None);
649 } 663 }
650 SDL_RenderPresent(); 664 SDL_RenderPresent();
651 } 665 }