comparison src/video/SDL_yuv.c @ 1668:4da1ee79c9af SDL-1.3

more tweaking indent options
author Sam Lantinga <slouken@libsdl.org>
date Mon, 29 May 2006 04:04:35 +0000
parents 782fd950bd46
children
comparison
equal deleted inserted replaced
1667:1fddae038bc8 1668:4da1ee79c9af
28 #include "SDL_yuvfuncs.h" 28 #include "SDL_yuvfuncs.h"
29 #include "SDL_yuv_sw_c.h" 29 #include "SDL_yuv_sw_c.h"
30 30
31 31
32 SDL_Overlay * 32 SDL_Overlay *
33 SDL_CreateYUVOverlay (int w, int h, Uint32 format, SDL_Surface * display) 33 SDL_CreateYUVOverlay(int w, int h, Uint32 format, SDL_Surface * display)
34 { 34 {
35 SDL_VideoDevice *_this = SDL_GetVideoDevice (); 35 SDL_VideoDevice *_this = SDL_GetVideoDevice();
36 SDL_Window *window; 36 SDL_Window *window;
37 const char *yuv_hwaccel; 37 const char *yuv_hwaccel;
38 SDL_Overlay *overlay; 38 SDL_Overlay *overlay;
39 39
40 window = SDL_GetWindowFromSurface (display); 40 window = SDL_GetWindowFromSurface(display);
41 if (window && (window->flags & SDL_WINDOW_OPENGL)) { 41 if (window && (window->flags & SDL_WINDOW_OPENGL)) {
42 SDL_SetError ("YUV overlays are not supported in OpenGL mode"); 42 SDL_SetError("YUV overlays are not supported in OpenGL mode");
43 return NULL; 43 return NULL;
44 } 44 }
45 45
46 /* Display directly on video surface, if possible */ 46 /* Display directly on video surface, if possible */
47 if (SDL_getenv ("SDL_VIDEO_YUV_DIRECT")) { 47 if (SDL_getenv("SDL_VIDEO_YUV_DIRECT")) {
48 if (window && 48 if (window &&
49 ((window->surface->format->BytesPerPixel == 2) || 49 ((window->surface->format->BytesPerPixel == 2) ||
50 (window->surface->format->BytesPerPixel == 4))) { 50 (window->surface->format->BytesPerPixel == 4))) {
51 display = window->surface; 51 display = window->surface;
52 } 52 }
53 } 53 }
54 overlay = NULL; 54 overlay = NULL;
55 yuv_hwaccel = SDL_getenv ("SDL_VIDEO_YUV_HWACCEL"); 55 yuv_hwaccel = SDL_getenv("SDL_VIDEO_YUV_HWACCEL");
56 if (((display->flags & SDL_SCREEN_SURFACE) && _this->CreateYUVOverlay) && 56 if (((display->flags & SDL_SCREEN_SURFACE) && _this->CreateYUVOverlay) &&
57 (!yuv_hwaccel || (SDL_atoi (yuv_hwaccel) > 0))) { 57 (!yuv_hwaccel || (SDL_atoi(yuv_hwaccel) > 0))) {
58 overlay = _this->CreateYUVOverlay (_this, w, h, format, display); 58 overlay = _this->CreateYUVOverlay(_this, w, h, format, display);
59 } 59 }
60 /* If hardware YUV overlay failed ... */ 60 /* If hardware YUV overlay failed ... */
61 if (overlay == NULL) { 61 if (overlay == NULL) {
62 overlay = SDL_CreateYUV_SW (_this, w, h, format, display); 62 overlay = SDL_CreateYUV_SW(_this, w, h, format, display);
63 } 63 }
64 return overlay; 64 return overlay;
65 } 65 }
66 66
67 int 67 int
68 SDL_LockYUVOverlay (SDL_Overlay * overlay) 68 SDL_LockYUVOverlay(SDL_Overlay * overlay)
69 { 69 {
70 SDL_VideoDevice *_this = SDL_GetVideoDevice (); 70 SDL_VideoDevice *_this = SDL_GetVideoDevice();
71 return overlay->hwfuncs->Lock (_this, overlay); 71 return overlay->hwfuncs->Lock(_this, overlay);
72 } 72 }
73 73
74 void 74 void
75 SDL_UnlockYUVOverlay (SDL_Overlay * overlay) 75 SDL_UnlockYUVOverlay(SDL_Overlay * overlay)
76 { 76 {
77 SDL_VideoDevice *_this = SDL_GetVideoDevice (); 77 SDL_VideoDevice *_this = SDL_GetVideoDevice();
78 overlay->hwfuncs->Unlock (_this, overlay); 78 overlay->hwfuncs->Unlock(_this, overlay);
79 } 79 }
80 80
81 int 81 int
82 SDL_DisplayYUVOverlay (SDL_Overlay * overlay, SDL_Rect * dstrect) 82 SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect)
83 { 83 {
84 SDL_VideoDevice *_this = SDL_GetVideoDevice (); 84 SDL_VideoDevice *_this = SDL_GetVideoDevice();
85 SDL_Rect src, dst; 85 SDL_Rect src, dst;
86 int srcx, srcy, srcw, srch; 86 int srcx, srcy, srcw, srch;
87 int dstx, dsty, dstw, dsth; 87 int dstx, dsty, dstw, dsth;
88 88
89 /* Clip the rectangle to the screen area */ 89 /* Clip the rectangle to the screen area */
127 src.h = srch; 127 src.h = srch;
128 dst.x = dstx; 128 dst.x = dstx;
129 dst.y = dsty; 129 dst.y = dsty;
130 dst.w = dstw; 130 dst.w = dstw;
131 dst.h = dsth; 131 dst.h = dsth;
132 return overlay->hwfuncs->Display (_this, overlay, &src, &dst); 132 return overlay->hwfuncs->Display(_this, overlay, &src, &dst);
133 } 133 }
134 134
135 void 135 void
136 SDL_FreeYUVOverlay (SDL_Overlay * overlay) 136 SDL_FreeYUVOverlay(SDL_Overlay * overlay)
137 { 137 {
138 SDL_VideoDevice *_this = SDL_GetVideoDevice (); 138 SDL_VideoDevice *_this = SDL_GetVideoDevice();
139 if (overlay) { 139 if (overlay) {
140 if (overlay->hwfuncs) { 140 if (overlay->hwfuncs) {
141 overlay->hwfuncs->FreeHW (_this, overlay); 141 overlay->hwfuncs->FreeHW(_this, overlay);
142 } 142 }
143 SDL_free (overlay); 143 SDL_free(overlay);
144 } 144 }
145 } 145 }
146 146
147 /* vi: set ts=4 sw=4 expandtab: */ 147 /* vi: set ts=4 sw=4 expandtab: */