static int DirectFB_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) { SDL_Window *window = renderer->window; SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window); SDL_DFB_DEVICEDATA(display->device); DirectFB_TextureData *data; DFBSurfaceDescription dsc; DFBSurfacePixelFormat pixelformat; DirectFB_ActivateRenderer(renderer); SDL_DFB_ALLOC_CLEAR(data, sizeof(*data)); texture->driverdata = data; /* find the right pixelformat */ pixelformat = DirectFB_SDLToDFBPixelFormat(texture->format); if (pixelformat == DSPF_UNKNOWN) { SDL_SetError("Unknown pixel format %d\n", data->format); goto error; } data->format = texture->format; data->pitch = texture->w * DFB_BYTES_PER_PIXEL(pixelformat); if (DirectFB_AcquireVidLayer(renderer, texture) != 0) { /* fill surface description */ dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS; dsc.width = texture->w; dsc.height = texture->h; if(texture->format == SDL_PIXELFORMAT_YV12 || texture->format == SDL_PIXELFORMAT_IYUV) { /* dfb has problems with odd sizes -make them even internally */ dsc.width += (dsc.width % 2); dsc.height += (dsc.height % 2); } /* <1.2 Never use DSCAPS_VIDEOONLY here. It kills performance * No DSCAPS_SYSTEMONLY either - let dfb decide * 1.2: DSCAPS_SYSTEMONLY boosts performance by factor ~8 * Depends on other settings as well. Let dfb decide. */ dsc.caps = DSCAPS_PREMULTIPLIED; #if 0 if (texture->access == SDL_TEXTUREACCESS_STREAMING) dsc.caps |= DSCAPS_SYSTEMONLY; else dsc.caps |= DSCAPS_VIDEOONLY; #endif dsc.pixelformat = pixelformat; data->pixels = NULL; /* Create the surface */ SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc, &data->surface)); if (SDL_ISPIXELFORMAT_INDEXED(data->format) && !SDL_ISPIXELFORMAT_FOURCC(data->format)) { #if 1 SDL_DFB_CHECKERR(data->surface->GetPalette(data->surface, &data->palette)); #else /* DFB has issues with blitting LUT8 surfaces. * Creating a new palette does not help. */ DFBPaletteDescription pal_desc; pal_desc.flags = DPDESC_SIZE; /* | DPDESC_ENTRIES */ pal_desc.size = 256; SDL_DFB_CHECKERR(devdata->dfb->CreatePalette(devdata->dfb, &pal_desc,&data->palette)); SDL_DFB_CHECKERR(data->surface->SetPalette(data->surface, data->palette)); #endif } } #if (DFB_VERSION_ATLEAST(1,2,0)) data->render_options = DSRO_NONE; #endif if (texture->access == SDL_TEXTUREACCESS_STREAMING) { /* 3 plane YUVs return 1 bpp, but we need more space for other planes */ if(texture->format == SDL_PIXELFORMAT_YV12 || texture->format == SDL_PIXELFORMAT_IYUV) { SDL_DFB_ALLOC_CLEAR(data->pixels, (texture->h * data->pitch + ((texture->h + texture->h % 2) * (data->pitch + data->pitch % 2) * 2) / 4)); } else { SDL_DFB_ALLOC_CLEAR(data->pixels, texture->h * data->pitch); } } return 0; error: SDL_DFB_RELEASE(data->palette); SDL_DFB_RELEASE(data->surface); SDL_DFB_FREE(texture->driverdata); return -1; }
static int DirectFB_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) { SDL_Window *window = SDL_GetWindowFromID(renderer->window); SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); SDL_DFB_DEVICEDATA(display->device); DirectFB_TextureData *data; DFBResult ret; DFBSurfaceDescription dsc; SDL_DFB_CALLOC(data, 1, sizeof(*data)); texture->driverdata = data; data->format = texture->format; data->pitch = (texture->w * SDL_BYTESPERPIXEL(data->format)); if (DirectFB_AcquireVidLayer(renderer, texture) != 0) { /* fill surface description */ dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS; dsc.width = texture->w; dsc.height = texture->h; /* <1.2 Never use DSCAPS_VIDEOONLY here. It kills performance * No DSCAPS_SYSTEMONLY either - let dfb decide * 1.2: DSCAPS_SYSTEMONLY boosts performance by factor ~8 * Depends on other settings as well. Let dfb decide. */ dsc.caps = DSCAPS_PREMULTIPLIED; #if 0 if (texture->access == SDL_TEXTUREACCESS_STREAMING) dsc.caps |= DSCAPS_SYSTEMONLY; else dsc.caps |= DSCAPS_VIDEOONLY; #endif /* find the right pixelformat */ dsc.pixelformat = SDLToDFBPixelFormat(data->format); if (dsc.pixelformat == DSPF_UNKNOWN) { SDL_SetError("Unknown pixel format %d\n", data->format); goto error; } data->pixels = NULL; /* Create the surface */ SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc, &data->surface)); if (SDL_ISPIXELFORMAT_INDEXED(data->format) && !SDL_ISPIXELFORMAT_FOURCC(data->format)) { SDL_DFB_CHECKERR(data->surface->GetPalette(data->surface, &data->palette)); } } #if (DFB_VERSION_ATLEAST(1,2,0)) data->render_options = DSRO_NONE; #endif if (texture->access == SDL_TEXTUREACCESS_STREAMING) { data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format); SDL_DFB_CALLOC(data->pixels, 1, texture->h * data->pitch); } return 0; error: SDL_DFB_RELEASE(data->palette); SDL_DFB_RELEASE(data->surface); SDL_DFB_FREE(texture->driverdata); return -1; }