static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
const SDL_FPoint * points, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
DFBRegion clip_region;
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
/* Use antialiasing when available */
#if (DFB_VERSION_ATLEAST(1,2,0))
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
#endif
destsurf->GetClip(destsurf, &clip_region);
for (i=0; i < count - 1; i++) {
int x1 = points[i].x + clip_region.x1;
int y1 = points[i].y + clip_region.y1;
int x2 = points[i + 1].x + clip_region.x1;
int y2 = points[i + 1].y + clip_region.y1;
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x1, y1, x2, y2));
}
return 0;
error:
return -1;
}
static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points, int count)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = get_dfb_surface(data->window);
int i;
DirectFB_ActivateRenderer(renderer);
PrepareDraw(renderer);
/* Use antialiasing when available */
#if (DFB_VERSION_ATLEAST(1,2,0))
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
#endif
for (i=0; i < count - 1; i++)
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, points[i].x, points[i].y, points[i+1].x, points[i+1].y));
return 0;
error:
return -1;
}
static int
DirectFB_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
IDirectFBSurface *destsurf = data->target;
DirectFB_TextureData *texturedata =
(DirectFB_TextureData *) texture->driverdata;
Uint8 alpha, r, g, b;
DFBRegion clip_region;
DFBRectangle sr, dr;
DirectFB_ActivateRenderer(renderer);
SDLtoDFBRect(srcrect, &sr);
SDLtoDFBRect_Float(dstrect, &dr);
destsurf->GetClip(destsurf, &clip_region);
dr.x += clip_region.x1;
dr.y += clip_region.y1;
if (texturedata->display) {
int px, py;
SDL_Window *window = renderer->window;
IDirectFBWindow *dfbwin = get_dfb_window(window);
SDL_DFB_WINDOWDATA(window);
SDL_VideoDisplay *display = texturedata->display;
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
SDL_DFB_CHECKERR(dispdata->
vidlayer->SetSourceRectangle(dispdata->vidlayer,
sr.x, sr.y, sr.w, sr.h));
dfbwin->GetPosition(dfbwin, &px, &py);
px += windata->client.x;
py += windata->client.y;
SDL_DFB_CHECKERR(dispdata->
vidlayer->SetScreenRectangle(dispdata->vidlayer,
px + dr.x,
py + dr.y,
dr.w,
dr.h));
} else {
DFBSurfaceBlittingFlags flags = 0;
#if 0
if (texturedata->dirty.list) {
SDL_DirtyRect *dirty;
void *pixels;
int bpp = DFB_BYTES_PER_PIXEL(DirectFB_SDLToDFBPixelFormat(texture->format));
int pitch = texturedata->pitch;
for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
SDL_Rect *rect = &dirty->rect;
pixels =
(void *) ((Uint8 *) texturedata->pixels +
rect->y * pitch + rect->x * bpp);
DirectFB_UpdateTexture(renderer, texture, rect,
pixels,
texturedata->pitch);
}
SDL_ClearDirtyRects(&texturedata->dirty);
}
#endif
if (texturedata->isDirty)
{
SDL_Rect rect;
rect.x = 0;
rect.y = 0;
rect.w = texture->w;
rect.h = texture->h;
DirectFB_UpdateTexture(renderer, texture, &rect, texturedata->pixels, texturedata->pitch);
}
alpha = r = g = b = 0xff;
if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA){
alpha = texture->a;
flags |= DSBLIT_BLEND_COLORALPHA;
}
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
r = texture->r;
g = texture->g;
b = texture->b;
flags |= DSBLIT_COLORIZE;
}
SDL_DFB_CHECKERR(destsurf->
SetColor(destsurf, r, g, b, alpha));
/* ???? flags |= DSBLIT_SRC_PREMULTCOLOR; */
SetBlendMode(data, texture->blendMode, texturedata);
SDL_DFB_CHECKERR(destsurf->SetBlittingFlags(destsurf,
data->blitFlags | flags));
#if (DFB_VERSION_ATLEAST(1,2,0))
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf,
texturedata->
render_options));
#endif
if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
SDL_DFB_CHECKERR(destsurf->Blit(destsurf,
texturedata->surface,
&sr, dr.x, dr.y));
} else {
SDL_DFB_CHECKERR(destsurf->StretchBlit(destsurf,
texturedata->surface,
&sr, &dr));
}
}
return 0;
error:
return -1;
}