static int
TextureHasAlpha(DirectFB_TextureData * data)
{
/* Drawing primitive ? */
if (!data)
return 0;
return (DFB_PIXELFORMAT_HAS_ALPHA(DirectFB_SDLToDFBPixelFormat(data->format)) ? 1 : 0);
#if 0
switch (data->format) {
case SDL_PIXELFORMAT_INDEX4LSB:
case SDL_PIXELFORMAT_INDEX4MSB:
case SDL_PIXELFORMAT_ARGB4444:
case SDL_PIXELFORMAT_ARGB1555:
case SDL_PIXELFORMAT_ARGB8888:
case SDL_PIXELFORMAT_RGBA8888:
case SDL_PIXELFORMAT_ABGR8888:
case SDL_PIXELFORMAT_BGRA8888:
case SDL_PIXELFORMAT_ARGB2101010:
return 1;
default:
return 0;
}
#endif
}
static void
CheckSetDisplayMode(_THIS, SDL_VideoDisplay * display, DFB_DisplayData * data, SDL_DisplayMode * mode)
{
SDL_DFB_DEVICEDATA(_this);
DFBDisplayLayerConfig config;
DFBDisplayLayerConfigFlags failed;
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_ADMINISTRATIVE));
config.width = mode->w;
config.height = mode->h;
config.pixelformat = DirectFB_SDLToDFBPixelFormat(mode->format);
config.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
if (devdata->use_yuv_underlays) {
config.flags |= DLCONF_OPTIONS;
config.options = DLOP_ALPHACHANNEL;
}
failed = 0;
data->layer->TestConfiguration(data->layer, &config, &failed);
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_SHARED));
if (failed == 0)
{
SDL_AddDisplayMode(display, mode);
SDL_DFB_LOG("Mode %d x %d Added\n", mode->w, mode->h);
}
else
SDL_DFB_ERR("Mode %d x %d not available: %x\n", mode->w,
mode->h, failed);
return;
error:
return;
}
static int
DirectFB_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
Uint8 *dpixels;
int dpitch;
Uint8 *src, *dst;
int row;
size_t length;
int bpp = DFB_BYTES_PER_PIXEL(DirectFB_SDLToDFBPixelFormat(texture->format));
/* FIXME: SDL_BYTESPERPIXEL(texture->format) broken for yuv yv12 3 planes */
DirectFB_ActivateRenderer(renderer);
if ((texture->format == SDL_PIXELFORMAT_YV12) ||
(texture->format == SDL_PIXELFORMAT_IYUV)) {
bpp = 1;
}
SDL_DFB_CHECKERR(data->surface->Lock(data->surface,
DSLF_WRITE | DSLF_READ,
((void **) &dpixels), &dpitch));
src = (Uint8 *) pixels;
dst = (Uint8 *) dpixels + rect->y * dpitch + rect->x * bpp;
length = rect->w * bpp;
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += dpitch;
}
/* copy other planes for 3 plane formats */
if ((texture->format == SDL_PIXELFORMAT_YV12) ||
(texture->format == SDL_PIXELFORMAT_IYUV)) {
src = (Uint8 *) pixels + texture->h * pitch;
dst = (Uint8 *) dpixels + texture->h * dpitch + rect->y * dpitch / 4 + rect->x * bpp / 2;
for (row = 0; row < rect->h / 2 + (rect->h & 1); ++row) {
SDL_memcpy(dst, src, length / 2);
src += pitch / 2;
dst += dpitch / 2;
}
src = (Uint8 *) pixels + texture->h * pitch + texture->h * pitch / 4;
dst = (Uint8 *) dpixels + texture->h * dpitch + texture->h * dpitch / 4 + rect->y * dpitch / 4 + rect->x * bpp / 2;
for (row = 0; row < rect->h / 2 + (rect->h & 1); ++row) {
SDL_memcpy(dst, src, length / 2);
src += pitch / 2;
dst += dpitch / 2;
}
}
SDL_DFB_CHECKERR(data->surface->Unlock(data->surface));
data->isDirty = 0;
return 0;
error:
return 1;
}
static int
DirectFB_AcquireVidLayer(SDL_Renderer * renderer, SDL_Texture * texture)
{
//SDL_DFB_RENDERERDATA(renderer);
SDL_Window *window = renderer->window;
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
SDL_DFB_DEVICEDATA(display->device);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
DirectFB_TextureData *data = texture->driverdata;
DFBDisplayLayerConfig layconf;
DFBResult ret;
if (devdata->use_yuv_direct && (dispdata->vidID >= 0)
&& (!dispdata->vidIDinuse)
&& SDL_ISPIXELFORMAT_FOURCC(data->format)) {
layconf.flags =
DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_SURFACE_CAPS;
layconf.width = texture->w;
layconf.height = texture->h;
layconf.pixelformat = DirectFB_SDLToDFBPixelFormat(data->format);
layconf.surface_caps = DSCAPS_VIDEOONLY | DSCAPS_DOUBLE;
SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
dispdata->vidID,
&dispdata->vidlayer));
SDL_DFB_CHECKERR(dispdata->
vidlayer->SetCooperativeLevel(dispdata->vidlayer,
DLSCL_EXCLUSIVE));
if (devdata->use_yuv_underlays) {
ret = dispdata->vidlayer->SetLevel(dispdata->vidlayer, -1);
if (ret != DFB_OK)
SDL_DFB_DEBUG("Underlay Setlevel not supported\n");
}
SDL_DFB_CHECKERR(dispdata->
vidlayer->SetConfiguration(dispdata->vidlayer,
&layconf));
SDL_DFB_CHECKERR(dispdata->
vidlayer->GetSurface(dispdata->vidlayer,
&data->surface));
dispdata->vidIDinuse = 1;
data->display = display;
return 0;
}
return 1;
error:
if (dispdata->vidlayer) {
SDL_DFB_RELEASE(data->surface);
SDL_DFB_CHECKERR(dispdata->
vidlayer->SetCooperativeLevel(dispdata->vidlayer,
DLSCL_ADMINISTRATIVE));
SDL_DFB_RELEASE(dispdata->vidlayer);
}
return 1;
}
static int
DirectFB_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch)
{
DirectFB_TextureData *texturedata =
(DirectFB_TextureData *) texture->driverdata;
DirectFB_ActivateRenderer(renderer);
#if 0
if (markDirty) {
SDL_AddDirtyRect(&texturedata->dirty, rect);
}
#endif
if (texturedata->display) {
void *fdata;
int fpitch;
SDL_DFB_CHECKERR(texturedata->surface->Lock(texturedata->surface,
DSLF_WRITE | DSLF_READ,
&fdata, &fpitch));
*pitch = fpitch;
*pixels = fdata;
} else {
*pixels =
(void *) ((Uint8 *) texturedata->pixels +
rect->y * texturedata->pitch +
rect->x * DFB_BYTES_PER_PIXEL(DirectFB_SDLToDFBPixelFormat(texture->format)));
*pitch = texturedata->pitch;
texturedata->isDirty = 1;
}
return 0;
error:
return -1;
}
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_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;
}
int
DirectFB_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{
/*
* FIXME: video mode switch is currently broken for 1.2.0
*
*/
SDL_DFB_DEVICEDATA(_this);
DFB_DisplayData *data = (DFB_DisplayData *) display->driverdata;
DFBDisplayLayerConfig config, rconfig;
DFBDisplayLayerConfigFlags fail = 0;
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_ADMINISTRATIVE));
SDL_DFB_CHECKERR(data->layer->GetConfiguration(data->layer, &config));
config.flags = DLCONF_WIDTH | DLCONF_HEIGHT;
if (mode->format != SDL_PIXELFORMAT_UNKNOWN) {
config.flags |= DLCONF_PIXELFORMAT;
config.pixelformat = DirectFB_SDLToDFBPixelFormat(mode->format);
data->pixelformat = config.pixelformat;
}
config.width = mode->w;
config.height = mode->h;
if (devdata->use_yuv_underlays) {
config.flags |= DLCONF_OPTIONS;
config.options = DLOP_ALPHACHANNEL;
}
data->layer->TestConfiguration(data->layer, &config, &fail);
if (fail &
(DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_OPTIONS)) {
SDL_DFB_ERR("Error setting mode %dx%d-%x\n", mode->w, mode->h,
mode->format);
return -1;
}
config.flags &= ~fail;
SDL_DFB_CHECKERR(data->layer->SetConfiguration(data->layer, &config));
#if (DFB_VERSION_ATLEAST(1,2,0))
/* Need to call this twice ! */
SDL_DFB_CHECKERR(data->layer->SetConfiguration(data->layer, &config));
#endif
/* Double check */
SDL_DFB_CHECKERR(data->layer->GetConfiguration(data->layer, &rconfig));
SDL_DFB_CHECKERR(data->
layer->SetCooperativeLevel(data->layer, DLSCL_SHARED));
if ((config.width != rconfig.width) || (config.height != rconfig.height)
|| ((mode->format != SDL_PIXELFORMAT_UNKNOWN)
&& (config.pixelformat != rconfig.pixelformat))) {
SDL_DFB_ERR("Error setting mode %dx%d-%x\n", mode->w, mode->h,
mode->format);
return -1;
}
data->pixelformat = rconfig.pixelformat;
data->cw = config.width;
data->ch = config.height;
display->current_mode = *mode;
return 0;
error:
return -1;
}
