Mercurial > sdl-ios-xcode
changeset 2677:6386764eb222 gsoc2008_nds
Starting to work on a more complete video driver.
| author | Darren Alton <dalton@stevens.edu> |
|---|---|
| date | Wed, 02 Jul 2008 13:59:30 +0000 |
| parents | 082cc3ffd7d8 |
| children | 3895761db26a |
| files | src/video/nds/SDL_ndsrender.c src/video/nds/SDL_ndsrender_c.h src/video/nds/SDL_ndsvideo.c |
| diffstat | 3 files changed, 95 insertions(+), 75 deletions(-) [+] |
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--- a/src/video/nds/SDL_ndsrender.c Tue Jul 01 13:02:50 2008 +0000 +++ b/src/video/nds/SDL_ndsrender.c Wed Jul 02 13:59:30 2008 +0000 @@ -34,20 +34,51 @@ /* SDL surface based renderer implementation */ -static SDL_Renderer *SDL_NDS_CreateRenderer(SDL_Window * window, - Uint32 flags); -static int SDL_NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, +static SDL_Renderer *NDS_CreateRenderer(SDL_Window * window, Uint32 flags); +static int NDS_ActivateRenderer(SDL_Renderer * renderer); +static int NDS_DisplayModeChanged(SDL_Renderer * renderer); +static int NDS_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture); +static int NDS_QueryTexturePixels(SDL_Renderer * renderer, + SDL_Texture * texture, void **pixels, + int *pitch); +static int NDS_SetTexturePalette(SDL_Renderer * renderer, + SDL_Texture * texture, + const SDL_Color * colors, int firstcolor, + int ncolors); +static int NDS_GetTexturePalette(SDL_Renderer * renderer, + SDL_Texture * texture, SDL_Color * colors, + int firstcolor, int ncolors); +static int NDS_SetTextureColorMod(SDL_Renderer * renderer, + SDL_Texture * texture); +static int NDS_SetTextureAlphaMod(SDL_Renderer * renderer, + SDL_Texture * texture); +static int NDS_SetTextureBlendMode(SDL_Renderer * renderer, + SDL_Texture * texture); +static int NDS_SetTextureScaleMode(SDL_Renderer * renderer, + SDL_Texture * texture); +static int NDS_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, + const SDL_Rect * rect, const void *pixels, + int pitch); +static int NDS_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, + const SDL_Rect * rect, int markDirty, void **pixels, + int *pitch); +static void NDS_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); +static void NDS_DirtyTexture(SDL_Renderer * renderer, + SDL_Texture * texture, int numrects, + const SDL_Rect * rects); +static int NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a, const SDL_Rect * rect); -static int SDL_NDS_RenderCopy(SDL_Renderer * renderer, +static int NDS_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, const SDL_Rect * srcrect, const SDL_Rect * dstrect); -static void SDL_NDS_RenderPresent(SDL_Renderer * renderer); -static void SDL_NDS_DestroyRenderer(SDL_Renderer * renderer); +static void NDS_RenderPresent(SDL_Renderer * renderer); +static void NDS_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture); +static void NDS_DestroyRenderer(SDL_Renderer * renderer); -SDL_RenderDriver SDL_NDS_RenderDriver = { - SDL_NDS_CreateRenderer, +SDL_RenderDriver NDS_RenderDriver = { + NDS_CreateRenderer, {"nds", SDL_RENDERER_PRESENTCOPY} /* (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | @@ -57,9 +88,8 @@ typedef struct { int current_screen; - SDL_Surface *screens[3]; - int ultimate_answer; -} SDL_NDS_RenderData; + u16* fb; +} NDS_RenderData; @@ -81,8 +111,16 @@ sdlds_surf2vram(SDL_Surface * s) { if (s->w == 256) { + u16 tmpbuf[0x20000]; + int i; + dmaCopy((u8 *) (s->pixels) + 156 * sizeof(u16), - VRAM_A, 256 * 192 * sizeof(u16)); + tmpbuf, 256 * 192 * sizeof(u16)); + /* hack to fix the pixel format until I figure out why BGR doesn't work */ + for (i = 0; i < 256 * 192; ++i) { + tmpbuf[i] = sdlds_rgb2bgr(tmpbuf[i]); + } + dmaCopy(tmpbuf, VRAM_A, 256 * 192 * sizeof(u16)); } } @@ -108,12 +146,12 @@ SDL_Renderer * -SDL_NDS_CreateRenderer(SDL_Window * window, Uint32 flags) +NDS_CreateRenderer(SDL_Window * window, Uint32 flags) { SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); SDL_DisplayMode *displayMode = &display->current_mode; SDL_Renderer *renderer; - SDL_NDS_RenderData *data; + NDS_RenderData *data; int i, n; int bpp = 15; Uint32 Rmask, Gmask, Bmask, Amask; @@ -121,12 +159,6 @@ Uint32 Rmask = 0x001F, Gmask = 0x03E0, Bmask = 0x7C00, Amask = 0x8000; */ -#if 0 - printf("SDL_NDS_CreateRenderer(window, 0x%x)\n", flags); - printf(" window: (%d,%d), %dx%d\n", - window->x, window->y, window->w, window->h); -#endif - /* hard coded this to BGR555 for now */ if (!SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_BGR555, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) { @@ -140,23 +172,23 @@ return NULL; } - data = (SDL_NDS_RenderData *) SDL_malloc(sizeof(*data)); + data = (NDS_RenderData *) SDL_malloc(sizeof(*data)); if (!data) { - SDL_NDS_DestroyRenderer(renderer); + NDS_DestroyRenderer(renderer); SDL_OutOfMemory(); return NULL; } SDL_zerop(data); - renderer->RenderFill = SDL_NDS_RenderFill; - renderer->RenderCopy = SDL_NDS_RenderCopy; - renderer->RenderPresent = SDL_NDS_RenderPresent; - renderer->DestroyRenderer = SDL_NDS_DestroyRenderer; - renderer->info.name = SDL_NDS_RenderDriver.info.name; + renderer->RenderFill = NDS_RenderFill; + renderer->RenderCopy = NDS_RenderCopy; + renderer->RenderPresent = NDS_RenderPresent; + renderer->DestroyRenderer = NDS_DestroyRenderer; + renderer->info.name = NDS_RenderDriver.info.name; renderer->info.flags = 0; renderer->window = window->id; renderer->driverdata = data; - Setup_SoftwareRenderer(renderer); + Setup_SoftwareRenderer(renderer); /* TODO: well, "TODON'T" is more like it */ if (flags & SDL_RENDERER_PRESENTFLIP2) { renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2; @@ -167,55 +199,51 @@ } else { renderer->info.flags |= SDL_RENDERER_PRESENTCOPY; n = 1; - } + }/* for (i = 0; i < n; ++i) { data->screens[i] = SDL_CreateRGBSurface(0, 256, 192, bpp, Rmask, Gmask, Bmask, Amask); if (!data->screens[i]) { - SDL_NDS_DestroyRenderer(renderer); + NDS_DestroyRenderer(renderer); return NULL; } SDL_SetSurfacePalette(data->screens[i], display->palette); sdlds_print_surface_info(data->screens[i]); - } + }*/ - data->current_screen = 0; - data->ultimate_answer = 42; + data->fb = (u16*)0x06020000; return renderer; } static int -SDL_NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, +NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a, const SDL_Rect * rect) { - SDL_NDS_RenderData *data = (SDL_NDS_RenderData *) renderer->driverdata; - SDL_Surface *target = data->screens[data->current_screen]; - Uint32 color; + NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata; SDL_Rect real_rect = *rect; + u16 color; + int i, j; - color = SDL_MapRGBA(target->format, r, g, b, a); - - return SDL_FillRect(target, &real_rect, color); + color = RGB15(r>>3,g>>3,b>>3); + for (i = real_rect.x; i < real_rect.x+real_rect.w; ++i) { + for (j = real_rect.y; j < real_rect.y+real_rect.h; ++j) { + data->fb[(j + real_rect.y) * 256 + i + real_rect.x] = + 0x8000 | color; + } + } + return 0; } - static int -SDL_NDS_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, +NDS_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, const SDL_Rect * srcrect, const SDL_Rect * dstrect) { - SDL_NDS_RenderData *data = (SDL_NDS_RenderData *) renderer->driverdata; + NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata; SDL_Window *window = SDL_GetWindowFromID(renderer->window); SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); + #if 0 - printf("SDL_NDS_RenderCopy(renderer, texture, srcrect, dstrect)\n"); - printf(" renderer: %s\n", renderer->info.name); - printf(" texture: %dx%d\n", texture->w, texture->h); - printf(" srcrect: (%d,%d), %dx%d\n", srcrect->x, srcrect->y, srcrect->w, - srcrect->h); - printf(" dstrect: (%d,%d), %dx%d\n", dstrect->x, dstrect->y, dstrect->w, - dstrect->h); -#endif if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) { SDL_Surface *target = data->screens[data->current_screen]; void *pixels = @@ -235,39 +263,31 @@ sdlds_surf2vram(surface); return SDL_LowerBlit(surface, &real_srcrect, target, &real_dstrect); } -#if 0 +#endif /* copy it directly to vram */ SDL_Surface *surface = (SDL_Surface *) texture->driverdata; + sdlds_surf2vram(surface); + /* int sx = srcrect->x, sy = srcrect->y, sw = srcrect->w, sh = srcrect->h; int dx = dstrect->x, dy = dstrect->y, dw = dstrect->w, dh = dstrect->h; int si, sj, di, dj; for (sj = 0, dj = 0; sj < sh && dj < dh; ++sj, ++dj) { for (si = 0, di = 0; si < sw && di < dw; ++si, ++di) { - VRAM_A[(dj + dy) * 256 + di + dx] = - ((Uint16 *) surface->pixels)[(sj + sy) * (surface->w) + si + + data->fb[(dj + dy) * 256 + di + dx] = 0x8000 | + ((u16 *) surface->pixels)[(sj + sy) * (surface->w) + si + sx]; } - } + }*/ return 0; -#endif } static void -SDL_NDS_RenderPresent(SDL_Renderer * renderer) +NDS_RenderPresent(SDL_Renderer * renderer) { - SDL_NDS_RenderData *data = (SDL_NDS_RenderData *) renderer->driverdata; - int i; -#if 0 - printf("SDL_NDS_RenderPresent(renderer)\n"); - printf(" renderer: %s\n", renderer->info.name); -#endif - /* Send the data to the display */ + NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata; + /* Send the data to the display TODO */ - /* hack to fix the pixel format until I figure out why BGR doesn't work */ - for (i = 0; i < 256 * 192; ++i) { - VRAM_A[i] = sdlds_rgb2bgr(VRAM_A[i]); - } /* Update the flipping chain, if any */ if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) { data->current_screen = (data->current_screen + 1) % 2; @@ -277,19 +297,19 @@ } static void -SDL_NDS_DestroyRenderer(SDL_Renderer * renderer) +NDS_DestroyRenderer(SDL_Renderer * renderer) { - SDL_NDS_RenderData *data = (SDL_NDS_RenderData *) renderer->driverdata; + NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata; int i; - printf("SDL_NDS_DestroyRenderer(renderer)\n"); + printf("NDS_DestroyRenderer(renderer)\n"); printf(" renderer: %s\n", renderer->info.name); if (data) { - for (i = 0; i < SDL_arraysize(data->screens); ++i) { + /*for (i = 0; i < SDL_arraysize(data->screens); ++i) { if (data->screens[i]) { SDL_FreeSurface(data->screens[i]); } - } + }*/ SDL_free(data); } SDL_free(renderer);
--- a/src/video/nds/SDL_ndsrender_c.h Tue Jul 01 13:02:50 2008 +0000 +++ b/src/video/nds/SDL_ndsrender_c.h Wed Jul 02 13:59:30 2008 +0000 @@ -23,6 +23,6 @@ /* SDL surface based renderer implementation */ -extern SDL_RenderDriver SDL_NDS_RenderDriver; +extern SDL_RenderDriver NDS_RenderDriver; /* vi: set ts=4 sw=4 expandtab: */
--- a/src/video/nds/SDL_ndsvideo.c Tue Jul 01 13:02:50 2008 +0000 +++ b/src/video/nds/SDL_ndsvideo.c Wed Jul 02 13:59:30 2008 +0000 @@ -121,7 +121,7 @@ mode.driverdata = NULL; SDL_AddBasicVideoDisplay(&mode); - SDL_AddRenderDriver(0, &SDL_NDS_RenderDriver); + SDL_AddRenderDriver(0, &NDS_RenderDriver); SDL_zero(mode); SDL_AddDisplayMode(0, &mode);