SDL_Renderer *
DirectFB_CreateRenderer(SDL_Window * window, Uint32 flags)
{
IDirectFBSurface *winsurf = get_dfb_surface(window);
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
SDL_Renderer *renderer = NULL;
DirectFB_RenderData *data = NULL;
DFBSurfaceCapabilities scaps;
SDL_DFB_ALLOC_CLEAR(renderer, sizeof(*renderer));
SDL_DFB_ALLOC_CLEAR(data, sizeof(*data));
renderer->WindowEvent = DirectFB_WindowEvent;
renderer->CreateTexture = DirectFB_CreateTexture;
renderer->SetTextureAlphaMod = DirectFB_SetTextureAlphaMod;
renderer->SetTextureColorMod = DirectFB_SetTextureColorMod;
renderer->SetTextureBlendMode = DirectFB_SetTextureBlendMode;
renderer->UpdateTexture = DirectFB_UpdateTexture;
renderer->LockTexture = DirectFB_LockTexture;
renderer->RenderClear = DirectFB_RenderClear;
renderer->UnlockTexture = DirectFB_UnlockTexture;
renderer->RenderDrawPoints = DirectFB_RenderDrawPoints;
renderer->RenderDrawLines = DirectFB_RenderDrawLines;
/* SetDrawColor - no needed */
renderer->RenderFillRects = DirectFB_RenderFillRects;
renderer->RenderCopy = DirectFB_RenderCopy;
renderer->RenderPresent = DirectFB_RenderPresent;
/* FIXME: Yet to be tested */
renderer->RenderReadPixels = DirectFB_RenderReadPixels;
/* renderer->RenderWritePixels = DirectFB_RenderWritePixels; */
renderer->DestroyTexture = DirectFB_DestroyTexture;
renderer->DestroyRenderer = DirectFB_DestroyRenderer;
renderer->UpdateViewport = DirectFB_UpdateViewport;
renderer->UpdateClipRect = DirectFB_UpdateClipRect;
renderer->SetRenderTarget = DirectFB_SetRenderTarget;
#if 0
renderer->QueryTexturePixels = DirectFB_QueryTexturePixels;
renderer->SetTexturePalette = DirectFB_SetTexturePalette;
renderer->GetTexturePalette = DirectFB_GetTexturePalette;
renderer->SetTextureScaleMode = DirectFB_SetTextureScaleMode;
renderer->DirtyTexture = DirectFB_DirtyTexture;
renderer->SetDrawBlendMode = DirectFB_SetDrawBlendMode;
renderer->RenderDrawRects = DirectFB_RenderDrawRects;
#endif
renderer->info = DirectFB_RenderDriver.info;
renderer->window = window; /* SDL window */
renderer->driverdata = data;
renderer->info.flags =
SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
data->window = window;
data->target = winsurf;
data->flipflags = DSFLIP_PIPELINE | DSFLIP_BLIT;
if (flags & SDL_RENDERER_PRESENTVSYNC) {
data->flipflags |= DSFLIP_WAITFORSYNC | DSFLIP_ONSYNC;
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
} else
data->flipflags |= DSFLIP_ONSYNC;
SDL_DFB_CHECKERR(winsurf->GetCapabilities(winsurf, &scaps));
#if 0
if (scaps & DSCAPS_DOUBLE)
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
else if (scaps & DSCAPS_TRIPLE)
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
else
renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
#endif
DirectFB_SetSupportedPixelFormats(&renderer->info);
#if 0
/* Set up a palette watch on the display palette */
if (display-> palette) {
SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
}
#endif
return renderer;
error:
SDL_DFB_FREE(renderer);
SDL_DFB_FREE(data);
return NULL;
}
SDL_Renderer *
SW_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_DisplayMode *displayMode = &display->current_mode;
SDL_Renderer *renderer;
SW_RenderData *data;
int i, n;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
Uint32 renderer_flags;
const char *desired_driver;
if (!SDL_PixelFormatEnumToMasks
(displayMode->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
SDL_SetError("Unknown display format");
return NULL;
}
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (SW_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SW_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
renderer->ActivateRenderer = SW_ActivateRenderer;
renderer->DisplayModeChanged = SW_DisplayModeChanged;
renderer->RenderPoint = SW_RenderPoint;
renderer->RenderLine = SW_RenderLine;
renderer->RenderFill = SW_RenderFill;
renderer->RenderCopy = SW_RenderCopy;
renderer->RenderPresent = SW_RenderPresent;
renderer->DestroyRenderer = SW_DestroyRenderer;
renderer->info.name = SW_RenderDriver.info.name;
renderer->info.flags = 0;
renderer->window = window->id;
renderer->driverdata = data;
Setup_SoftwareRenderer(renderer);
if (flags & SDL_RENDERER_PRESENTFLIP2) {
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
n = 2;
} else if (flags & SDL_RENDERER_PRESENTFLIP3) {
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
n = 3;
} else {
renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
n = 1;
}
data->format = displayMode->format;
/* Find a render driver that we can use to display data */
renderer_flags = (SDL_RENDERER_SINGLEBUFFER |
SDL_RENDERER_PRESENTDISCARD);
if (flags & SDL_RENDERER_PRESENTVSYNC) {
renderer_flags |= SDL_RENDERER_PRESENTVSYNC;
}
desired_driver = SDL_getenv("SDL_VIDEO_RENDERER_SWDRIVER");
for (i = 0; i < display->num_render_drivers; ++i) {
SDL_RenderDriver *driver = &display->render_drivers[i];
if (driver->info.name == SW_RenderDriver.info.name) {
continue;
}
if (desired_driver
&& SDL_strcasecmp(desired_driver, driver->info.name) != 0) {
continue;
}
data->renderer = driver->CreateRenderer(window, renderer_flags);
if (data->renderer) {
break;
}
}
if (i == display->num_render_drivers) {
SW_DestroyRenderer(renderer);
SDL_SetError("Couldn't find display render driver");
return NULL;
}
if (data->renderer->info.flags & SDL_RENDERER_PRESENTVSYNC) {
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
}
/* Create the textures we'll use for display */
for (i = 0; i < n; ++i) {
data->texture[i] =
CreateTexture(data->renderer, data->format, window->w, window->h);
if (!data->texture[i]) {
SW_DestroyRenderer(renderer);
return NULL;
}
}
data->current_texture = 0;
/* Create a surface we'll use for rendering */
data->surface.flags = SDL_PREALLOC;
data->surface.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
if (!data->surface.format) {
SW_DestroyRenderer(renderer);
return NULL;
}
SDL_SetSurfacePalette(&data->surface, display->palette);
/* Set up a palette watch on the display palette */
if (display->palette) {
SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
}
return renderer;
}
SDL_Surface *
SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
{
SDL_DisplayMode desktop_mode;
SDL_DisplayMode mode;
int window_x = SDL_WINDOWPOS_UNDEFINED;
int window_y = SDL_WINDOWPOS_UNDEFINED;
Uint32 window_flags;
Uint32 desktop_format;
Uint32 desired_format;
Uint32 surface_flags;
if (!SDL_GetVideoDevice()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
return NULL;
}
}
SDL_GetDesktopDisplayMode(&desktop_mode);
if (width == 0) {
width = desktop_mode.w;
}
if (height == 0) {
height = desktop_mode.h;
}
/* See if we can simply resize the existing window and surface */
if (SDL_ResizeVideoMode(width, height, bpp, flags) == 0) {
return SDL_PublicSurface;
}
/* Destroy existing window */
SDL_PublicSurface = NULL;
if (SDL_ShadowSurface) {
SDL_FreeSurface(SDL_ShadowSurface);
SDL_ShadowSurface = NULL;
}
if (SDL_VideoSurface) {
SDL_DelPaletteWatch(SDL_VideoSurface->format->palette,
SDL_VideoPaletteChanged, NULL);
SDL_FreeSurface(SDL_VideoSurface);
SDL_VideoSurface = NULL;
}
if (SDL_VideoContext) {
/* SDL_GL_MakeCurrent(0, NULL); *//* Doesn't do anything */
SDL_GL_DeleteContext(SDL_VideoContext);
SDL_VideoContext = NULL;
}
if (SDL_VideoWindow) {
SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y);
SDL_DestroyWindow(SDL_VideoWindow);
}
/* Set up the event filter */
if (!SDL_GetEventFilter(NULL, NULL)) {
SDL_SetEventFilter(SDL_CompatEventFilter, NULL);
}
/* Create a new window */
window_flags = SDL_WINDOW_SHOWN;
if (flags & SDL_FULLSCREEN) {
window_flags |= SDL_WINDOW_FULLSCREEN;
}
if (flags & SDL_OPENGL) {
window_flags |= SDL_WINDOW_OPENGL;
}
if (flags & SDL_RESIZABLE) {
window_flags |= SDL_WINDOW_RESIZABLE;
}
if (flags & SDL_NOFRAME) {
window_flags |= SDL_WINDOW_BORDERLESS;
}
GetEnvironmentWindowPosition(width, height, &window_x, &window_y);
SDL_SetFullscreenDisplayMode(NULL);
SDL_VideoWindow =
SDL_CreateWindow(wm_title, window_x, window_y, width, height,
window_flags);
if (!SDL_VideoWindow) {
return NULL;
}
SDL_SetWindowIcon(SDL_VideoWindow, SDL_VideoIcon);
window_flags = SDL_GetWindowFlags(SDL_VideoWindow);
surface_flags = 0;
if (window_flags & SDL_WINDOW_FULLSCREEN) {
surface_flags |= SDL_FULLSCREEN;
}
if (window_flags & SDL_WINDOW_OPENGL) {
surface_flags |= SDL_OPENGL;
}
if (window_flags & SDL_WINDOW_RESIZABLE) {
surface_flags |= SDL_RESIZABLE;
}
if (window_flags & SDL_WINDOW_BORDERLESS) {
surface_flags |= SDL_NOFRAME;
}
/* Set up the desired display mode */
desktop_format = desktop_mode.format;
if (desktop_format && ((flags & SDL_ANYFORMAT)
|| (bpp == SDL_BITSPERPIXEL(desktop_format)))) {
desired_format = desktop_format;
} else {
switch (bpp) {
case 0:
if (desktop_format) {
desired_format = desktop_format;
} else {
desired_format = SDL_PIXELFORMAT_RGB888;
}
bpp = SDL_BITSPERPIXEL(desired_format);
break;
case 8:
desired_format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
desired_format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
desired_format = SDL_PIXELFORMAT_RGB565;
break;
case 24:
desired_format = SDL_PIXELFORMAT_RGB24;
break;
case 32:
desired_format = SDL_PIXELFORMAT_RGB888;
break;
default:
SDL_SetError("Unsupported bpp in SDL_SetVideoMode()");
return NULL;
}
}
mode.format = desired_format;
mode.w = width;
mode.h = height;
mode.refresh_rate = 0;
/* Set the desired display mode */
if (flags & SDL_FULLSCREEN) {
if (SDL_SetFullscreenDisplayMode(&mode) < 0) {
return NULL;
}
}
/* If we're in OpenGL mode, just create a stub surface and we're done! */
if (flags & SDL_OPENGL) {
SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
if (!SDL_VideoContext) {
return NULL;
}
if (SDL_GL_MakeCurrent(SDL_VideoWindow, SDL_VideoContext) < 0) {
return NULL;
}
SDL_VideoSurface =
SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0);
if (!SDL_VideoSurface) {
return NULL;
}
SDL_VideoSurface->flags |= surface_flags;
SDL_PublicSurface = SDL_VideoSurface;
return SDL_PublicSurface;
}
/* Create a renderer for the window */
if (SDL_CreateRenderer
(SDL_VideoWindow, -1,
SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD) < 0) {
return NULL;
}
SDL_GetRendererInfo(&SDL_VideoRendererInfo);
/* Create a texture for the screen surface */
SDL_VideoTexture =
SDL_CreateTexture(desired_format, SDL_TEXTUREACCESS_STREAMING, width,
height);
if (!SDL_VideoTexture) {
SDL_VideoTexture =
SDL_CreateTexture(desktop_format,
SDL_TEXTUREACCESS_STREAMING, width, height);
}
if (!SDL_VideoTexture) {
return NULL;
}
/* Create the screen surface */
SDL_VideoSurface = CreateVideoSurface(SDL_VideoTexture);
if (!SDL_VideoSurface) {
return NULL;
}
SDL_VideoSurface->flags |= surface_flags;
/* Set a default screen palette */
if (SDL_VideoSurface->format->palette) {
SDL_VideoSurface->flags |= SDL_HWPALETTE;
SDL_DitherColors(SDL_VideoSurface->format->palette->colors,
SDL_VideoSurface->format->BitsPerPixel);
SDL_AddPaletteWatch(SDL_VideoSurface->format->palette,
SDL_VideoPaletteChanged, SDL_VideoSurface);
SDL_SetPaletteColors(SDL_VideoSurface->format->palette,
SDL_VideoSurface->format->palette->colors, 0,
SDL_VideoSurface->format->palette->ncolors);
}
/* Create a shadow surface if necessary */
if ((bpp != SDL_VideoSurface->format->BitsPerPixel)
&& !(flags & SDL_ANYFORMAT)) {
SDL_ShadowSurface =
SDL_CreateRGBSurface(0, width, height, bpp, 0, 0, 0, 0);
if (!SDL_ShadowSurface) {
return NULL;
}
SDL_ShadowSurface->flags |= surface_flags;
/* 8-bit SDL_ShadowSurface surfaces report that they have exclusive palette */
if (SDL_ShadowSurface->format->palette) {
SDL_ShadowSurface->flags |= SDL_HWPALETTE;
if (SDL_VideoSurface->format->palette) {
SDL_SetSurfacePalette(SDL_ShadowSurface,
SDL_VideoSurface->format->palette);
} else {
SDL_DitherColors(SDL_ShadowSurface->format->palette->colors,
SDL_ShadowSurface->format->BitsPerPixel);
}
SDL_AddPaletteWatch(SDL_ShadowSurface->format->palette,
SDL_VideoPaletteChanged, SDL_ShadowSurface);
}
}
SDL_PublicSurface =
(SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
SDL_VideoFlags = flags;
ClearVideoSurface();
SetupScreenSaver(flags);
/* We're finally done! */
return SDL_PublicSurface;
}
SDL_Renderer *
DirectFB_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_DFB_WINDOWDATA(window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_Renderer *renderer = NULL;
DirectFB_RenderData *data = NULL;
DFBResult ret;
DFBSurfaceCapabilities scaps;
char *p;
SDL_DFB_CALLOC(renderer, 1, sizeof(*renderer));
SDL_DFB_CALLOC(data, 1, sizeof(*data));
renderer->DisplayModeChanged = DirectFB_DisplayModeChanged;
renderer->ActivateRenderer = DirectFB_ActivateRenderer;
renderer->CreateTexture = DirectFB_CreateTexture;
renderer->QueryTexturePixels = DirectFB_QueryTexturePixels;
renderer->SetTexturePalette = DirectFB_SetTexturePalette;
renderer->GetTexturePalette = DirectFB_GetTexturePalette;
renderer->SetTextureAlphaMod = DirectFB_SetTextureAlphaMod;
renderer->SetTextureColorMod = DirectFB_SetTextureColorMod;
renderer->SetTextureBlendMode = DirectFB_SetTextureBlendMode;
renderer->SetTextureScaleMode = DirectFB_SetTextureScaleMode;
renderer->UpdateTexture = DirectFB_UpdateTexture;
renderer->LockTexture = DirectFB_LockTexture;
renderer->UnlockTexture = DirectFB_UnlockTexture;
renderer->DirtyTexture = DirectFB_DirtyTexture;
renderer->RenderPoint = DirectFB_RenderPoint;
renderer->RenderLine = DirectFB_RenderLine;
renderer->RenderFill = DirectFB_RenderFill;
renderer->RenderCopy = DirectFB_RenderCopy;
renderer->RenderPresent = DirectFB_RenderPresent;
renderer->DestroyTexture = DirectFB_DestroyTexture;
renderer->DestroyRenderer = DirectFB_DestroyRenderer;
renderer->info = DirectFB_RenderDriver.info;
renderer->window = window->id; /* SDL window id */
renderer->driverdata = data;
renderer->info.flags =
SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTDISCARD;
data->window = window;
data->flipflags = DSFLIP_PIPELINE | DSFLIP_BLIT;
if (flags & SDL_RENDERER_PRESENTVSYNC) {
data->flipflags |= DSFLIP_WAITFORSYNC;
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
} else
data->flipflags |= DSFLIP_ONSYNC;
SDL_DFB_CHECKERR(windata->surface->
GetCapabilities(windata->surface, &scaps));
if (scaps & DSCAPS_DOUBLE)
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
else if (scaps & DSCAPS_TRIPLE)
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
else
renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
data->isyuvdirect = 0; /* default is off! */
p = SDL_getenv(DFBENV_USE_YUV_DIRECT);
if (p)
data->isyuvdirect = atoi(p);
/* Set up a palette watch on the display palette */
if (display->palette) {
SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
}
return renderer;
error:
SDL_DFB_FREE(renderer);
SDL_DFB_FREE(data);
return NULL;
}
