static int
SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (!SDL_PixelFormatEnumToMasks
(texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
return SDL_SetError("Unknown texture format");
}
texture->driverdata =
SDL_CreateRGBSurface(0, texture->w, texture->h, bpp, Rmask, Gmask,
Bmask, Amask);
SDL_SetSurfaceColorMod(texture->driverdata, texture->r, texture->g,
texture->b);
SDL_SetSurfaceAlphaMod(texture->driverdata, texture->a);
SDL_SetSurfaceBlendMode(texture->driverdata, texture->blendMode);
/* Only RLE encode textures without an alpha channel since the RLE coder
* discards the color values of pixels with an alpha value of zero.
*/
if (texture->access == SDL_TEXTUREACCESS_STATIC && !Amask) {
SDL_SetSurfaceRLE(texture->driverdata, 1);
}
if (!texture->driverdata) {
return -1;
}
return 0;
}
static SDL_bool
DDRAW_IsTextureFormatAvailable(IDirectDraw * ddraw, Uint32 display_format,
Uint32 texture_format)
{
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (SDL_ISPIXELFORMAT_FOURCC(texture_format)) {
//TODO I don't expect DDRAW to support all 4CC formats, but I don't know which ones
return SDL_TRUE;
}
//These are only basic checks
if (SDL_ISPIXELFORMAT_INDEXED(texture_format)) {
return SDL_FALSE;
}
if (!SDL_PixelFormatEnumToMasks
(texture_format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
return SDL_FALSE;
}
switch (bpp) {
case 4:
case 8:
case 16:
case 24:
case 32:
break;
default:
return SDL_FALSE;
}
return SDL_TRUE;
}
int SDL_DUMMY_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
{
SDL_Surface *surface;
const Uint32 surface_format = SDL_PIXELFORMAT_RGB888;
int w, h;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
/* Free the old framebuffer surface */
surface = (SDL_Surface *) SDL_GetWindowData(window, DUMMY_SURFACE);
SDL_FreeSurface(surface);
/* Create a new one */
SDL_PixelFormatEnumToMasks(surface_format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
SDL_GetWindowSize(window, &w, &h);
surface = SDL_CreateRGBSurface(0, w, h, bpp, Rmask, Gmask, Bmask, Amask);
if (!surface) {
return -1;
}
/* Save the info and return! */
SDL_SetWindowData(window, DUMMY_SURFACE, surface);
*format = surface_format;
*pixels = surface->pixels;
*pitch = surface->pitch;
return 0;
}
static SDL_Surface *
CreateVideoSurface(SDL_TextureID textureID)
{
SDL_Surface *surface;
Uint32 format;
int w, h;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
void *pixels;
int pitch;
if (SDL_QueryTexture(textureID, &format, NULL, &w, &h) < 0) {
return NULL;
}
if (!SDL_PixelFormatEnumToMasks
(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
SDL_SetError("Unknown texture format");
return NULL;
}
if (SDL_QueryTexturePixels(textureID, &pixels, &pitch) == 0) {
surface =
SDL_CreateRGBSurfaceFrom(pixels, w, h, bpp, pitch, Rmask, Gmask,
Bmask, Amask);
} else {
surface =
SDL_CreateRGBSurface(0, w, h, bpp, Rmask, Gmask, Bmask, Amask);
}
return surface;
}
static int
SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (!SDL_PixelFormatEnumToMasks
(texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
return SDL_SetError("Unknown texture format");
}
texture->driverdata =
SDL_CreateRGBSurface(0, texture->w, texture->h, bpp, Rmask, Gmask,
Bmask, Amask);
SDL_SetSurfaceColorMod(texture->driverdata, texture->r, texture->g,
texture->b);
SDL_SetSurfaceAlphaMod(texture->driverdata, texture->a);
SDL_SetSurfaceBlendMode(texture->driverdata, texture->blendMode);
if (texture->access == SDL_TEXTUREACCESS_STATIC) {
SDL_SetSurfaceRLE(texture->driverdata, 1);
}
if (!texture->driverdata) {
return -1;
}
return 0;
}
static SDL_Renderer *
NDS_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
SDL_DisplayMode *displayMode = &display->current_mode;
SDL_Renderer *renderer;
NDS_RenderData *data;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (displayMode->format != SDL_PIXELFORMAT_ABGR1555) {
SDL_SetError("Unsupported pixel format (%x)", displayMode->format);
return NULL;
}
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 = (NDS_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SDL_free(renderer);
SDL_OutOfMemory();
return NULL;
}
renderer->info.name = NDS_RenderDriver.info.name;
renderer->info.flags = 0;
renderer->info.num_texture_formats = NDS_RenderDriver.info.num_texture_formats;
SDL_memcpy(renderer->info.texture_formats,
NDS_RenderDriver.info.texture_formats,
sizeof(renderer->info.texture_formats));
renderer->info.max_texture_width = NDS_RenderDriver.info.max_texture_width;
renderer->info.max_texture_height = NDS_RenderDriver.info.max_texture_height;
renderer->UpdateViewport = NDS_UpdateViewport;
renderer->CreateTexture = NDS_CreateTexture;
renderer->DestroyTexture = NDS_DestroyTexture;
renderer->RenderCopy = NDS_RenderCopy;
renderer->UpdateTexture = NDS_UpdateTexture;
renderer->LockTexture = NDS_LockTexture;
renderer->UnlockTexture = NDS_UnlockTexture;
renderer->RenderClear = NDS_RenderClear;
renderer->RenderPresent = NDS_RenderPresent;
renderer->RenderDrawPoints = NDS_RenderDrawPoints;
renderer->RenderDrawLines = NDS_RenderDrawLines;
renderer->RenderFillRects = NDS_RenderFillRects;
return renderer;
}
int ANDROID_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
int i;
static SDL_PixelFormat alphaFormat;
/* Determine the screen depth (use default 16-bit depth) */
/* we change this during the SDL_SetVideoMode implementation... */
if( vformat ) {
vformat->BitsPerPixel = ANDROID_BITSPERPIXEL;
vformat->BytesPerPixel = ANDROID_BYTESPERPIXEL;
}
int bpp;
SDL_memset(&alphaFormat, 0, sizeof(alphaFormat));
SDL_PixelFormatEnumToMasks( SDL_PIXELFORMAT_RGBA4444, &bpp,
&alphaFormat.Rmask, &alphaFormat.Gmask,
&alphaFormat.Bmask, &alphaFormat.Amask );
alphaFormat.BitsPerPixel = ANDROID_BITSPERPIXEL;
alphaFormat.BytesPerPixel = ANDROID_BYTESPERPIXEL;
this->displayformatalphapixel = &alphaFormat;
this->info.hw_available = 1;
this->info.blit_hw = 1;
this->info.blit_hw_CC = 1;
this->info.blit_hw_A = 1;
this->info.blit_fill = 1;
this->info.video_mem = 128 * 1024; // Random value
this->info.current_w = SDL_ANDROID_sWindowWidth;
this->info.current_h = SDL_ANDROID_sWindowHeight;
SDL_VideoThreadID = SDL_ThreadID();
for ( i=0; i<SDL_NUMMODES; ++i ) {
SDL_modelist[i] = SDL_malloc(sizeof(SDL_Rect));
SDL_modelist[i]->x = SDL_modelist[i]->y = 0;
}
/* Modes sorted largest to smallest */
SDL_modelist[0]->w = SDL_ANDROID_sWindowWidth;
SDL_modelist[0]->h = SDL_ANDROID_sWindowHeight;
SDL_modelist[1]->w = 800; SDL_modelist[1]->h = 600; // Will likely be shrinked
SDL_modelist[2]->w = 640; SDL_modelist[2]->h = 480; // Will likely be shrinked
SDL_modelist[3]->w = 640; SDL_modelist[3]->h = 400; // Will likely be shrinked
SDL_modelist[4]->w = 320; SDL_modelist[4]->h = 240; // Always available on any screen and any orientation
SDL_modelist[5]->w = 320; SDL_modelist[5]->h = 200; // Always available on any screen and any orientation
SDL_modelist[6]->w = 256; SDL_modelist[6]->h = 224; // For REminiscence
SDL_modelist[7]->w = SDL_ANDROID_sWindowWidth * 2 / 3;
SDL_modelist[7]->h = SDL_ANDROID_sWindowHeight * 2 / 3;
SDL_modelist[8]->w = SDL_ANDROID_sWindowWidth / 2;
SDL_modelist[8]->h = SDL_ANDROID_sWindowHeight / 2;
SDL_modelist[9]->w = 480; SDL_modelist[9]->h = 320; // Virtual wide-screen mode
SDL_modelist[10]->w = 800; SDL_modelist[10]->h = 480; // Virtual wide-screen mode
SDL_modelist[11]->w = 544; SDL_modelist[11]->h = 332; // I have no idea where this videomode is used
SDL_modelist[12] = NULL;
SDL_VideoInit_1_3(NULL, 0);
/* We're done! */
return(0);
}
int
sdl_init()
{
/* Initialize defaults and Video subsystem */
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0) {
LOGE("sdl-video", "Unable to initialize SDL: %s.", SDL_GetError());
return -1;
}
/* Display program name and version in caption */
char caption[64];
snprintf(caption, 64, "freeserf %s", FREESERF_VERSION);
/* Create window and renderer */
window = SDL_CreateWindow(caption,
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
800, 600, SDL_WINDOW_RESIZABLE);
if (window == NULL) {
LOGE("sdl-video", "Unable to create SDL window: %s.", SDL_GetError());
return -1;
}
/* Create renderer for window */
renderer = SDL_CreateRenderer(window, -1, 0);
if (renderer == NULL) {
LOGE("sdl-video", "Unable to create SDL renderer: %s.", SDL_GetError());
return -1;
}
/* Determine optimal pixel format for current window */
SDL_RendererInfo render_info = {0};
SDL_GetRendererInfo(renderer, &render_info);
for (int i = 0; i < render_info.num_texture_formats; i++) {
Uint32 format = render_info.texture_formats[i];
int bpp = SDL_BITSPERPIXEL(format);
if (32 == bpp) {
pixel_format = format;
break;
}
}
SDL_PixelFormatEnumToMasks(pixel_format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
/* Set scaling mode */
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
/* Exit on signals */
signal(SIGINT, exit);
signal(SIGTERM, exit);
/* Init sprite cache */
surface_ht_init(&transp_sprite_cache, 4096);
surface_ht_init(&overlay_sprite_cache, 512);
surface_ht_init(&masked_sprite_cache, 1024);
return 0;
}
void
initializeTextures()
{
SDL_Surface *bmp_surface;
SDL_Surface *bmp_surface_rgba;
int format = SDL_PIXELFORMAT_ABGR8888; /* desired texture format */
Uint32 Rmask, Gmask, Bmask, Amask; /* masks for desired format */
int bpp; /* bits per pixel for desired format */
/* load the ship */
bmp_surface = SDL_LoadBMP("ship.bmp");
if (bmp_surface == NULL) {
fatalError("could not ship.bmp");
}
/* set blue to transparent on the ship */
SDL_SetColorKey(bmp_surface, 1,
SDL_MapRGB(bmp_surface->format, 0, 0, 255));
SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
/*
create a new RGBA surface and blit the bmp to it
this is an extra step, but it seems to be necessary for the color key to work
does the fact that this is necessary indicate a bug in SDL?
*/
bmp_surface_rgba =
SDL_CreateRGBSurface(0, bmp_surface->w, bmp_surface->h, bpp, Rmask,
Gmask, Bmask, Amask);
SDL_BlitSurface(bmp_surface, NULL, bmp_surface_rgba, NULL);
/* create ship texture from surface */
ship = SDL_CreateTextureFromSurface(format, bmp_surface_rgba);
if (ship == 0) {
fatalError("could not create ship texture");
}
SDL_SetTextureBlendMode(ship, SDL_BLENDMODE_BLEND);
/* set the width and height of the ship from the surface dimensions */
shipData.rect.w = bmp_surface->w;
shipData.rect.h = bmp_surface->h;
SDL_FreeSurface(bmp_surface_rgba);
SDL_FreeSurface(bmp_surface);
/* load the space background */
bmp_surface = SDL_LoadBMP("space.bmp");
if (bmp_surface == NULL) {
fatalError("could not load space.bmp");
}
/* create space texture from surface */
space = SDL_CreateTextureFromSurface(format, bmp_surface);
if (space == 0) {
fatalError("could not create space texture");
}
SDL_FreeSurface(bmp_surface);
}
SDL_Surface *createSurface(int w, int h)
{
int bpp;
Uint32 rMask, gMask, bMask, aMask;
SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_ABGR8888,
&bpp, &rMask, &gMask, &bMask, &aMask);
return SDL_CreateRGBSurface(0, w, h, bpp, rMask, gMask, bMask, 0);
}
static SDL_Surface*
createShadowSet()
{
int bpp;
Uint32 rm, gm, bm, am;
SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_ABGR8888, &bpp, &rm, &gm, &bm, &am);
SDL_Surface *surf = SDL_CreateRGBSurface(0, 1*32, 16*32, bpp, rm, gm, bm, am);
std::vector<SDL_Rect> rects;
SDL_Rect rect = { 0, 0, 16, 16 };
for (int val = 0; val < 16; ++val)
{
int origY = val*32;
/* Top left */
if (val & (1 << 0))
{
rect.x = 0;
rect.y = origY;
rects.push_back(rect);
}
/* Top Right */
if (val & (1 << 1))
{
rect.x = 16;
rect.y = origY;
rects.push_back(rect);
}
/* Bottom left */
if (val & (1 << 2))
{
rect.x = 0;
rect.y = origY+16;
rects.push_back(rect);
}
/* Bottom right */
if (val & (1 << 3))
{
rect.x = 16;
rect.y = origY+16;
rects.push_back(rect);
}
}
/* Fill rects with half opacity black */
uint32_t color = (0x80808080 & am);
SDL_FillRects(surf, dataPtr(rects), rects.size(), color);
return surf;
}
bool Canvas::create(int w, int h) {
logEntered();
_w = w;
_h = h;
int bpp;
Uint32 rmask, gmask, bmask, amask;
SDL_PixelFormatEnumToMasks(PIXELFORMAT, &bpp, &rmask, &gmask, &bmask, &amask);
_ownerSurface = true;
_surface = SDL_CreateRGBSurface(0, w, h, bpp, rmask, gmask, bmask, amask);
_pixels = (pixel_t *)_surface->pixels;
return _surface != NULL;
}
SurfaceSDL::SurfaceSDL(int width, int height, PixelFormat::PF format)
{
int bpp;
uint32_t rmask, gmask, bmask, amask;
SDL_bool ret = SDL_PixelFormatEnumToMasks(get_sdl_pixel_format(format), &bpp, &rmask, &gmask, &bmask, &amask);
ASSERT_LOG(ret != SDL_FALSE, "Unable to convert pixel format to masks: " << SDL_GetError());
surface_ = SDL_CreateRGBSurface(0, width, height, bpp, rmask, gmask, bmask, amask);
ASSERT_LOG(surface_ != nullptr, "Error creating surface: " << SDL_GetError());
auto pf = std::make_shared<SDLPixelFormat>(surface_->format->format);
setPixelFormat(PixelFormatPtr(pf));
createPalette();
}
bool Canvas::create(int w, int h) {
logEntered();
_w = w;
_h = h;
int bpp;
Uint32 rmask, gmask, bmask, amask;
#if defined(PIXELFORMAT_RGB565)
Uint32 format = SDL_PIXELFORMAT_RGB565;
#else
Uint32 format = SDL_PIXELFORMAT_RGB888;
#endif
SDL_PixelFormatEnumToMasks(format, &bpp, &rmask, &gmask, &bmask, &amask);
_canvas = SDL_CreateRGBSurface(0, w, h, bpp, rmask, gmask, bmask, amask);
return _canvas != NULL;
}
void Texture::loadFromSurface(SDL_Surface* surface)
{
SDL_Surface* resizedSurface = NULL;
SDL_Rect area;
if (surface == NULL)
{
return;
}
int newWidth = NearestPowerOf2(_width);
int newHeight = NearestPowerOf2(_height);
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
SDL_PixelFormatEnumToMasks(
SDL_PIXELFORMAT_ABGR8888, &bpp,
&Rmask, &Gmask, &Bmask, &Amask
);
resizedSurface = SDL_CreateRGBSurface(0, newWidth, newHeight, bpp,
Rmask, Gmask, Bmask, Amask
);
area.x = 0;
area.y = 0;
area.w = surface->w;
area.h = surface->h;
SDL_SetSurfaceAlphaMod( surface, 0xFF );
SDL_SetSurfaceBlendMode( surface, SDL_BLENDMODE_NONE );
SDL_BlitSurface(surface, &area, resizedSurface, &area);
glBindTexture(GL_TEXTURE_2D, _textureID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, resizedSurface->w, resizedSurface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, resizedSurface->pixels);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
_textureWidth = resizedSurface->w;
_textureHeight = resizedSurface->h;
SDL_FreeSurface(resizedSurface);
}
const SDL_VideoInfo *
SDL_GetVideoInfo(void)
{
static SDL_VideoInfo info;
SDL_DisplayMode mode;
/* Memory leak, compatibility code, who cares? */
if (!info.vfmt && SDL_GetDesktopDisplayMode(&mode) == 0) {
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask, &Bmask,
&Amask);
info.vfmt = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
info.current_w = mode.w;
info.current_h = mode.h;
}
return &info;
}
static void save_screenshot(const char *filename) {
if ( TCOD_ctx.renderer == TCOD_RENDERER_SDL ) {
/* This would be a lot easier if image saving could do textures. */
SDL_Rect rect;
SDL_RenderGetViewport(renderer, &rect);
Uint32 format = SDL_GetWindowPixelFormat(window);
SDL_Texture *texture = SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_TARGET, rect.w, rect.h);
if (0 != texture) {
if (SDL_SetRenderTarget(renderer, texture)) {
void *pixels;
int pitch, access;
actual_rendering();
SDL_SetRenderTarget(renderer, NULL);
rect.x = rect.y = rect.w = rect.h = 0;
if (-1 != SDL_QueryTexture(texture, &format, &access, &rect.w, &rect.h) &&
-1 != SDL_LockTexture(texture, NULL, &pixels, &pitch)) {
int depth;
Uint32 rmask, gmask, bmask, amask;
if (SDL_TRUE == SDL_PixelFormatEnumToMasks(format, &depth, &rmask, &gmask, &bmask, &amask)) {
SDL_Surface *surface = SDL_CreateRGBSurfaceFrom(pixels, rect.w, rect.h, depth, pitch, rmask, gmask, bmask, amask);
TCOD_sys_save_bitmap((void *)surface,filename);
SDL_FreeSurface(surface);
} else
TCOD_LOG(("TCOD_sys_save_screenshot - failed call to SDL_PixelFormatEnumToMasks"));
SDL_UnlockTexture(texture);
} else
TCOD_LOG(("TCOD_sys_save_screenshot - failed call to SDL_QueryTexture or SDL_LockTexture"));
} else
TCOD_LOG(("TCOD_sys_save_screenshot - failed call to SDL_SetRenderTarget"));
SDL_DestroyTexture(texture);
} else
TCOD_LOG(("TCOD_sys_save_screenshot - failed call to SDL_CreateTexture"));
#ifndef NO_OPENGL
} else {
SDL_Surface *screenshot=(SDL_Surface *)TCOD_opengl_get_screen();
TCOD_sys_save_bitmap((void *)screenshot,filename);
SDL_FreeSurface(screenshot);
#endif
}
}
/*
loads the particle texture
*/
void
initializeTexture()
{
int bpp; /* texture bits per pixel */
Uint32 Rmask, Gmask, Bmask, Amask; /* masks for pixel format passed into OpenGL */
SDL_Surface *bmp_surface; /* the bmp is loaded here */
SDL_Surface *bmp_surface_rgba8888; /* this serves as a destination to convert the BMP
to format passed into OpenGL */
bmp_surface = SDL_LoadBMP("stroke.bmp");
if (bmp_surface == NULL) {
fatalError("could not load stroke.bmp");
}
/* Grab info about format that will be passed into OpenGL */
SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_ABGR8888, &bpp, &Rmask, &Gmask,
&Bmask, &Amask);
/* Create surface that will hold pixels passed into OpenGL */
bmp_surface_rgba8888 =
SDL_CreateRGBSurface(0, bmp_surface->w, bmp_surface->h, bpp, Rmask,
Gmask, Bmask, Amask);
/* Blit to this surface, effectively converting the format */
SDL_BlitSurface(bmp_surface, NULL, bmp_surface_rgba8888, NULL);
glGenTextures(1, &particleTextureID);
glBindTexture(GL_TEXTURE_2D, particleTextureID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
nextPowerOfTwo(bmp_surface->w),
nextPowerOfTwo(bmp_surface->h),
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
/* this is where we actually pass in the pixel data */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bmp_surface->w, bmp_surface->h, 0,
GL_RGBA, GL_UNSIGNED_BYTE, bmp_surface_rgba8888->pixels);
/* free bmp surface and converted bmp surface */
SDL_FreeSurface(bmp_surface);
SDL_FreeSurface(bmp_surface_rgba8888);
}
void SDLFrontend::makeScreenshot (const std::string& filename)
{
assert(_renderer);
SDL_Rect viewport;
int bpp;
Uint32 rmask, gmask, bmask, amask;
SDL_RenderGetViewport(_renderer, &viewport);
SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_RGBA8888, &bpp, &rmask, &gmask, &bmask, &amask);
ScopedPtr<SDL_Surface> surface(SDL_CreateRGBSurface(0, viewport.w, viewport.h, bpp, rmask, gmask, bmask, amask));
if (!surface)
return;
if (SDL_RenderReadPixels(_renderer, nullptr, surface->format->format, surface->pixels, surface->pitch) < 0)
return;
const std::string fullFilename = FS.getAbsoluteWritePath() + filename + "-" + dateutil::getDateString() + ".png";
IMG_SavePNG(surface, fullFilename.c_str());
}
static int lua_SDL_PixelFormatEnumToMasks(State & state) {
Stack * stack = state.stack;
if (stack->is<LUA_TNUMBER>(1)) {
Uint32 format = 0;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask) == SDL_TRUE) {
stack->push<int>(bpp);
stack->push<int>(Rmask);
stack->push<int>(Gmask);
stack->push<int>(Bmask);
stack->push<int>(Amask);
return 5;
}
else {
stack->push<bool>(false);
return 1;
}
}
return 0;
}
static SDL_bool
PixelFormatToDDPIXELFORMAT(Uint32 format, LPDDPIXELFORMAT dst)
{
SDL_zerop(dst);
dst->dwSize = sizeof(*dst);
if (SDL_ISPIXELFORMAT_FOURCC(format)) {
dst->dwFlags = DDPF_FOURCC;
dst->dwFourCC = format;
} else if (SDL_ISPIXELFORMAT_INDEXED(format)) {
SDL_SetError("Indexed pixelformats are not supported.");
return SDL_FALSE;
} else {
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (!SDL_PixelFormatEnumToMasks
(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
SDL_SetError("pixelformat not supported");
return SDL_FALSE;
}
if (!Rmask && !Gmask && !Bmask) {
dst->dwFlags = DDPF_ALPHA;
dst->dwAlphaBitDepth = bpp;
} else {
dst->dwFlags = DDPF_RGB;
dst->dwRGBBitCount = bpp;
dst->dwRBitMask = Rmask;
dst->dwGBitMask = Gmask;
dst->dwBBitMask = Bmask;
if (Amask) {
dst->dwFlags |= DDPF_ALPHAPIXELS;
dst->dwRGBAlphaBitMask = Amask;
}
}
}
return SDL_TRUE;
}
bool Image::create( const Point2i& size, uint32 pixel_format )
{
int bpp = 0; // bits per pixel
uint32 red_mask = 0;
uint32 green_mask = 0;
uint32 blue_mask = 0;
uint32 alpha_mask = 0;
// Find the best surface format based on the requested pixel_format
if ( SDL_BOOL( SDL_PixelFormatEnumToMasks ( pixel_format, &bpp, &red_mask, &green_mask, &blue_mask, &alpha_mask ) ) != true )
{
NOM_LOG_ERR( NOM, SDL_GetError() );
return false;
}
if ( this->initialize ( size.x, size.y, bpp, red_mask, green_mask, blue_mask, alpha_mask ) == false )
{
NOM_LOG_ERR(NOM,"Could not create Image from dimensions & pixel format." );
return false;
}
return true;
}
/* this function loads our font into an SDL_Texture and returns the SDL_Texture */
SDL_Texture*
loadFont(void)
{
SDL_Surface *surface = SDL_LoadBMP("kromasky_16x16.bmp");
if (!surface) {
printf("Error loading bitmap: %s\n", SDL_GetError());
return 0;
} else {
/* set the transparent color for the bitmap font (hot pink) */
SDL_SetColorKey(surface, 1, SDL_MapRGB(surface->format, 238, 0, 252));
/* now we convert the surface to our desired pixel format */
int format = SDL_PIXELFORMAT_ABGR8888; /* desired texture format */
Uint32 Rmask, Gmask, Bmask, Amask; /* masks for desired format */
int bpp; /* bits per pixel for desired format */
SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask,
&Amask);
SDL_Surface *converted =
SDL_CreateRGBSurface(0, surface->w, surface->h, bpp, Rmask, Gmask,
Bmask, Amask);
SDL_BlitSurface(surface, NULL, converted, NULL);
/* create our texture */
texture =
SDL_CreateTextureFromSurface(SDL_PIXELFORMAT_ABGR8888, converted);
if (texture == 0) {
printf("texture creation failed: %s\n", SDL_GetError());
} else {
/* set blend mode for our texture */
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
}
SDL_FreeSurface(surface);
SDL_FreeSurface(converted);
return texture;
}
}
int SDL_init(void)
{
Uint32 flags = SDL_WINDOW_HIDDEN;
Uint32 rflags = config.sdl_hwrend ? 0 : SDL_RENDERER_SOFTWARE;
int bpp, features;
Uint32 rm, gm, bm, am;
assert(pthread_equal(pthread_self(), dosemu_pthread_self));
if (config.X_lin_filt || config.X_bilin_filt) {
v_printf("SDL: enabling scaling filter\n");
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
}
if (config.X_fullscreen)
flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
else
flags |= SDL_WINDOW_RESIZABLE;
#if 0
/* it is better to create window and renderer at once. They have
* internal cyclic dependencies, so if you create renderer after
* creating window, SDL will destroy and re-create the window. */
int err = SDL_CreateWindowAndRenderer(0, 0, flags, &window, &renderer);
if (err || !window || !renderer) {
error("SDL window failed: %s\n", SDL_GetError());
goto err;
}
SDL_SetWindowTitle(window, config.X_title);
#else
window = SDL_CreateWindow(config.X_title, SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED, 0, 0, flags);
if (!window) {
error("SDL window failed: %s\n", SDL_GetError());
goto err;
}
renderer = SDL_CreateRenderer(window, -1, rflags);
if (!renderer) {
error("SDL renderer failed: %s\n", SDL_GetError());
goto err;
}
#endif
#ifdef X_SUPPORT
init_x11_support(window);
#else
use_bitmap_font = 1;
#endif
if (config.X_fullscreen) {
window_grab(1, 1);
force_grab = 1;
}
pixel_format = SDL_GetWindowPixelFormat(window);
if (pixel_format == SDL_PIXELFORMAT_UNKNOWN) {
error("SDL: unable to get pixel format\n");
pixel_format = SDL_PIXELFORMAT_RGB888;
}
SDL_PixelFormatEnumToMasks(pixel_format, &bpp, &rm, &gm, &bm, &am);
SDL_csd.bits = bpp;
SDL_csd.r_mask = rm;
SDL_csd.g_mask = gm;
SDL_csd.b_mask = bm;
color_space_complete(&SDL_csd);
features = 0;
if (use_bitmap_font)
features |= RFF_BITMAP_FONT;
register_render_system(&Render_SDL);
if (remapper_init(1, 1, features, &SDL_csd)) {
error("SDL: SDL_init: VGAEmu init failed!\n");
config.exitearly = 1;
return -1;
}
#if THREADED_REND
sem_init(&rend_sem, 0, 0);
pthread_create(&rend_thr, NULL, render_thread, NULL);
#ifdef HAVE_PTHREAD_SETNAME_NP
pthread_setname_np(rend_thr, "dosemu: sdl_r");
#endif
#endif
c_printf("VID: SDL plugin initialization completed\n");
return 0;
err:
SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_EVENTS);
return -1;
}
WindowSDL::WindowSDL(const Graphics::Settings &vs, const std::string &name)
{
Uint32 winFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN;
if (vs.fullscreen) winFlags |= SDL_WINDOW_FULLSCREEN;
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, vs.requestedSamples ? 1 : 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, vs.requestedSamples);
// attempt sequence is:
// 1- requested mode
m_window = SDL_CreateWindow(name.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, vs.width, vs.height, winFlags);
// 2- requested mode with no anti-aliasing (skipped if no AA was requested anyway)
if (!m_window && vs.requestedSamples) {
fprintf(stderr, "Failed to set video mode. (%s). Re-trying without multisampling.\n", SDL_GetError());
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
m_window = SDL_CreateWindow(name.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, vs.width, vs.height, winFlags);
}
// 3- requested mode with 16 bit depth buffer
if (!m_window) {
fprintf(stderr, "Failed to set video mode. (%s). Re-trying with 16-bit depth buffer\n", SDL_GetError());
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, vs.requestedSamples ? 1 : 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, vs.requestedSamples);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
m_window = SDL_CreateWindow(name.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, vs.width, vs.height, winFlags);
}
// 4- requested mode with 16-bit depth buffer and no anti-aliasing
// (skipped if no AA was requested anyway)
if (!m_window && vs.requestedSamples) {
fprintf(stderr, "Failed to set video mode. (%s). Re-trying with 16-bit depth buffer and no multisampling\n", SDL_GetError());
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
m_window = SDL_CreateWindow(name.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, vs.width, vs.height, winFlags);
}
// 5- abort!
if (!m_window) {
OS::Error("Failed to set video mode: %s", SDL_GetError());
}
m_glContext = SDL_GL_CreateContext(m_window);
int bpp;
Uint32 rmask, gmask, bmask, amask;
SDL_PixelFormatEnumToMasks(SDL_GetWindowPixelFormat(m_window), &bpp, &rmask, &gmask, &bmask, &amask);
switch (bpp) {
case 16:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
break;
case 24:
case 32:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
break;
default:
fprintf(stderr, "Invalid pixel depth: %d bpp\n", bpp);
// this valuable is not reliable if antialiasing vs are overridden by
// nvidia/ati/whatever vs
int actualSamples = 0;
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &actualSamples);
if (vs.requestedSamples != actualSamples)
fprintf(stderr, "Requested AA mode: %dx, actual: %dx\n", vs.requestedSamples, actualSamples);
}
SDLSurfacePtr surface = LoadSurfaceFromFile(vs.iconFile);
if (surface)
SDL_SetWindowIcon(m_window, surface.Get());
SDL_SetWindowTitle(m_window, vs.title);
}
SDL_bool
SDLTest_CommonInit(SDLTest_CommonState * state)
{
int i, j, m, n, w, h;
SDL_DisplayMode fullscreen_mode;
if (state->flags & SDL_INIT_VIDEO) {
if (state->verbose & VERBOSE_VIDEO) {
n = SDL_GetNumVideoDrivers();
if (n == 0) {
fprintf(stderr, "No built-in video drivers\n");
} else {
fprintf(stderr, "Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetVideoDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_VideoInit(state->videodriver) < 0) {
fprintf(stderr, "Couldn't initialize video driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Video driver: %s\n",
SDL_GetCurrentVideoDriver());
}
/* Upload GL settings */
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, state->gl_red_size);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, state->gl_green_size);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, state->gl_blue_size);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, state->gl_alpha_size);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, state->gl_double_buffer);
SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, state->gl_buffer_size);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, state->gl_depth_size);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, state->gl_stencil_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE, state->gl_accum_red_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE, state->gl_accum_green_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE, state->gl_accum_blue_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE, state->gl_accum_alpha_size);
SDL_GL_SetAttribute(SDL_GL_STEREO, state->gl_stereo);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, state->gl_multisamplebuffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, state->gl_multisamplesamples);
if (state->gl_accelerated >= 0) {
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL,
state->gl_accelerated);
}
SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, state->gl_retained_backing);
if (state->gl_major_version) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, state->gl_major_version);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, state->gl_minor_version);
}
if (state->gl_debug) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
}
if (state->verbose & VERBOSE_MODES) {
SDL_Rect bounds;
SDL_DisplayMode mode;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
n = SDL_GetNumVideoDisplays();
fprintf(stderr, "Number of displays: %d\n", n);
for (i = 0; i < n; ++i) {
fprintf(stderr, "Display %d: %s\n", i, SDL_GetDisplayName(i));
SDL_zero(bounds);
SDL_GetDisplayBounds(i, &bounds);
fprintf(stderr, "Bounds: %dx%d at %d,%d\n", bounds.w, bounds.h, bounds.x, bounds.y);
SDL_GetDesktopDisplayMode(i, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
&Bmask, &Amask);
fprintf(stderr,
" Current mode: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
mode.w, mode.h, mode.refresh_rate, bpp,
SDL_GetPixelFormatName(mode.format));
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
fprintf(stderr, " Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
m = SDL_GetNumDisplayModes(i);
if (m == 0) {
fprintf(stderr, "No available fullscreen video modes\n");
} else {
fprintf(stderr, " Fullscreen video modes:\n");
for (j = 0; j < m; ++j) {
SDL_GetDisplayMode(i, j, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
&Gmask, &Bmask, &Amask);
fprintf(stderr,
" Mode %d: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
j, mode.w, mode.h, mode.refresh_rate, bpp,
SDL_GetPixelFormatName(mode.format));
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n",
Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n",
Bmask);
if (Amask)
fprintf(stderr,
" Alpha Mask = 0x%.8x\n",
Amask);
}
}
}
}
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
fprintf(stderr, "Built-in render drivers:\n");
for (i = 0; i < n; ++i) {
SDL_GetRenderDriverInfo(i, &info);
SDLTest_PrintRenderer(&info);
}
}
}
SDL_zero(fullscreen_mode);
switch (state->depth) {
case 8:
fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
break;
case 24:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB24;
break;
default:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
break;
}
fullscreen_mode.refresh_rate = state->refresh_rate;
state->windows =
(SDL_Window **) SDL_malloc(state->num_windows *
sizeof(*state->windows));
state->renderers =
(SDL_Renderer **) SDL_malloc(state->num_windows *
sizeof(*state->renderers));
if (!state->windows || !state->renderers) {
fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
for (i = 0; i < state->num_windows; ++i) {
char title[1024];
if (state->num_windows > 1) {
SDL_snprintf(title, SDL_arraysize(title), "%s %d",
state->window_title, i + 1);
} else {
SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
}
state->windows[i] =
SDL_CreateWindow(title, state->window_x, state->window_y,
state->window_w, state->window_h,
state->window_flags);
if (!state->windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->window_minW || state->window_minH) {
SDL_SetWindowMinimumSize(state->windows[i], state->window_minW, state->window_minH);
}
if (state->window_maxW || state->window_maxH) {
SDL_SetWindowMaximumSize(state->windows[i], state->window_maxW, state->window_maxH);
}
SDL_GetWindowSize(state->windows[i], &w, &h);
if (!(state->window_flags & SDL_WINDOW_RESIZABLE) &&
(w != state->window_w || h != state->window_h)) {
printf("Window requested size %dx%d, got %dx%d\n", state->window_w, state->window_h, w, h);
state->window_w = w;
state->window_h = h;
}
if (SDL_SetWindowDisplayMode(state->windows[i], &fullscreen_mode) < 0) {
fprintf(stderr, "Can't set up fullscreen display mode: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->window_icon) {
SDL_Surface *icon = SDLTest_LoadIcon(state->window_icon);
if (icon) {
SDL_SetWindowIcon(state->windows[i], icon);
SDL_FreeSurface(icon);
}
}
SDL_ShowWindow(state->windows[i]);
state->renderers[i] = NULL;
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
for (j = 0; j < n; ++j) {
SDL_GetRenderDriverInfo(j, &info);
if (SDL_strcasecmp(info.name, state->renderdriver) ==
0) {
m = j;
break;
}
}
if (m == n) {
fprintf(stderr,
"Couldn't find render driver named %s",
state->renderdriver);
return SDL_FALSE;
}
}
state->renderers[i] = SDL_CreateRenderer(state->windows[i],
m, state->render_flags);
if (!state->renderers[i]) {
fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->logical_w && state->logical_h) {
SDL_RenderSetLogicalSize(state->renderers[i], state->logical_w, state->logical_h);
} else if (state->scale) {
SDL_RenderSetScale(state->renderers[i], state->scale, state->scale);
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
SDL_GetRendererInfo(state->renderers[i], &info);
SDLTest_PrintRenderer(&info);
}
}
}
}
if (state->flags & SDL_INIT_AUDIO) {
if (state->verbose & VERBOSE_AUDIO) {
n = SDL_GetNumAudioDrivers();
if (n == 0) {
fprintf(stderr, "No built-in audio drivers\n");
} else {
fprintf(stderr, "Built-in audio drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetAudioDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_AudioInit(state->audiodriver) < 0) {
fprintf(stderr, "Couldn't initialize audio driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Audio driver: %s\n",
SDL_GetCurrentAudioDriver());
}
if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
return SDL_FALSE;
}
}
return SDL_TRUE;
}
SDL_Renderer *
X11_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_VideoDisplay *display = window->display;
SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
SDL_Renderer *renderer;
SDL_RendererInfo *info;
X11_RenderData *data;
XGCValues gcv;
int i, n;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (X11_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
X11_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
data->display = windowdata->videodata->display;
data->screen = displaydata->screen;
data->visual = displaydata->visual;
data->depth = displaydata->depth;
data->scanline_pad = displaydata->scanline_pad;
data->xwindow = windowdata->xwindow;
renderer->DisplayModeChanged = X11_DisplayModeChanged;
renderer->CreateTexture = X11_CreateTexture;
renderer->QueryTexturePixels = X11_QueryTexturePixels;
renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
renderer->UpdateTexture = X11_UpdateTexture;
renderer->LockTexture = X11_LockTexture;
renderer->UnlockTexture = X11_UnlockTexture;
renderer->SetDrawBlendMode = X11_SetDrawBlendMode;
renderer->RenderDrawPoints = X11_RenderDrawPoints;
renderer->RenderDrawLines = X11_RenderDrawLines;
renderer->RenderDrawRects = X11_RenderDrawRects;
renderer->RenderFillRects = X11_RenderFillRects;
renderer->RenderCopy = X11_RenderCopy;
renderer->RenderReadPixels = X11_RenderReadPixels;
renderer->RenderWritePixels = X11_RenderWritePixels;
renderer->RenderPresent = X11_RenderPresent;
renderer->DestroyTexture = X11_DestroyTexture;
renderer->DestroyRenderer = X11_DestroyRenderer;
renderer->info = X11_RenderDriver.info;
renderer->window = window;
renderer->driverdata = data;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
if (flags & SDL_RENDERER_SINGLEBUFFER) {
renderer->info.flags |=
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY);
n = 0;
} else 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;
}
for (i = 0; i < n; ++i) {
data->pixmaps[i] =
XCreatePixmap(data->display, data->xwindow, window->w, window->h,
displaydata->depth);
if (data->pixmaps[i] == None) {
X11_DestroyRenderer(renderer);
SDL_SetError("XCreatePixmap() failed");
return NULL;
}
}
if (n > 0) {
data->drawable = data->pixmaps[0];
data->makedirty = SDL_TRUE;
} else {
data->drawable = data->xwindow;
data->makedirty = SDL_FALSE;
}
data->current_pixmap = 0;
/* Get the format of the window */
if (!SDL_PixelFormatEnumToMasks
(display->current_mode.format, &bpp, &Rmask, &Gmask, &Bmask,
&Amask)) {
SDL_SetError("Unknown display format");
X11_DestroyRenderer(renderer);
return NULL;
}
SDL_InitFormat(&data->format, bpp, Rmask, Gmask, Bmask, Amask);
/* Create the drawing context */
gcv.graphics_exposures = False;
data->gc =
XCreateGC(data->display, data->xwindow, GCGraphicsExposures, &gcv);
if (!data->gc) {
X11_DestroyRenderer(renderer);
SDL_SetError("XCreateGC() failed");
return NULL;
}
return renderer;
}
void Bitmap::stretchBlt(const IntRect &destRect,
const Bitmap &source, const IntRect &sourceRect,
int opacity)
{
GUARD_DISPOSED;
GUARD_MEGA;
opacity = clamp(opacity, 0, 255);
if (opacity == 0)
return;
if (source.megaSurface())
{
/* Don't do transparent blits for now */
if (opacity < 255)
source.ensureNonMega();
SDL_Surface *srcSurf = source.megaSurface();
int bpp;
Uint32 rMask, gMask, bMask, aMask;
SDL_PixelFormatEnumToMasks(SDL_PIXELFORMAT_ABGR8888,
&bpp, &rMask, &gMask, &bMask, &aMask);
SDL_Surface *blitTemp =
SDL_CreateRGBSurface(0, destRect.w, destRect.h, bpp, rMask, gMask, bMask, aMask);
SDL_Rect srcRect;
srcRect.x = sourceRect.x;
srcRect.y = sourceRect.y;
srcRect.w = sourceRect.w;
srcRect.h = sourceRect.h;
SDL_Rect dstRect;
dstRect.x = dstRect.y = 0;
dstRect.w = blitTemp->w;
dstRect.h = blitTemp->h;
// FXIME: This is supposed to be a scaled blit, put SDL2 for some reason
// makes the source surface unusable after BlitScaled() is called. Investigate!
SDL_BlitSurface(srcSurf, &srcRect, blitTemp, &dstRect);
TEX::bind(p->gl.tex);
TEX::uploadSubImage(destRect.x, destRect.y, destRect.w, destRect.h, blitTemp->pixels, GL_RGBA);
SDL_FreeSurface(blitTemp);
modified();
return;
}
if (opacity == 255 && !p->touchesTaintedArea(destRect))
{
/* Fast blit */
FBO::bind(source.p->gl.fbo, FBO::Read);
FBO::bind(p->gl.fbo, FBO::Draw);
FBO::blit(sourceRect.x, sourceRect.y, sourceRect.w, sourceRect.h,
destRect.x, destRect.y, destRect.w, destRect.h);
}
else
{
/* Fragment pipeline */
float normOpacity = (float) opacity / 255.0f;
TEXFBO &gpTex = shState->gpTexFBO(destRect.w, destRect.h);
FBO::bind(gpTex.fbo, FBO::Draw);
FBO::bind(p->gl.fbo, FBO::Read);
FBO::blit(destRect.x, destRect.y, 0, 0, destRect.w, destRect.h);
FloatRect bltSubRect((float) sourceRect.x / source.width(),
(float) sourceRect.y / source.height(),
((float) source.width() / sourceRect.w) * ((float) destRect.w / gpTex.width),
((float) source.height() / sourceRect.h) * ((float) destRect.h / gpTex.height));
BltShader &shader = shState->shaders().blt;
shader.bind();
shader.setDestination(gpTex.tex);
shader.setSubRect(bltSubRect);
shader.setOpacity(normOpacity);
Quad &quad = shState->gpQuad();
quad.setTexPosRect(sourceRect, destRect);
quad.setColor(Vec4(1, 1, 1, normOpacity));
source.p->bindTexture(shader);
p->bindFBO();
p->pushSetViewport(shader);
p->blitQuad(quad);
p->popViewport();
}
p->addTaintedArea(destRect);
modified();
}
SDL_bool
CommonInit(CommonState * state)
{
int i, j, m, n;
SDL_DisplayMode fullscreen_mode;
if (state->flags & SDL_INIT_VIDEO) {
if (state->verbose & VERBOSE_VIDEO) {
n = SDL_GetNumVideoDrivers();
if (n == 0) {
fprintf(stderr, "No built-in video drivers\n");
} else {
fprintf(stderr, "Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetVideoDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_VideoInit(state->videodriver, 0) < 0) {
fprintf(stderr, "Couldn't initialize video driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Video driver: %s\n",
SDL_GetCurrentVideoDriver());
}
if (state->verbose & VERBOSE_MODES) {
SDL_DisplayMode mode;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
n = SDL_GetNumVideoDisplays();
fprintf(stderr, "Number of displays: %d\n", n);
for (i = 0; i < n; ++i) {
fprintf(stderr, "Display %d:\n", i);
SDL_SelectVideoDisplay(i);
SDL_GetDesktopDisplayMode(&mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
&Bmask, &Amask);
fprintf(stderr,
" Current mode: %dx%d@%dHz, %d bits-per-pixel\n",
mode.w, mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
fprintf(stderr, " Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
m = SDL_GetNumDisplayModes();
if (m == 0) {
fprintf(stderr, "No available fullscreen video modes\n");
} else {
fprintf(stderr, " Fullscreen video modes:\n");
for (j = 0; j < m; ++j) {
SDL_GetDisplayMode(j, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
&Gmask, &Bmask, &Amask);
fprintf(stderr,
" Mode %d: %dx%d@%dHz, %d bits-per-pixel\n",
j, mode.w, mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n",
Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n",
Bmask);
if (Amask)
fprintf(stderr,
" Alpha Mask = 0x%.8x\n",
Amask);
}
}
}
}
}
SDL_SelectVideoDisplay(state->display);
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
fprintf(stderr, "Built-in render drivers:\n");
for (i = 0; i < n; ++i) {
SDL_GetRenderDriverInfo(i, &info);
PrintRenderer(&info);
}
}
}
switch (state->depth) {
case 8:
fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
break;
default:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
break;
}
fullscreen_mode.w = state->window_w;
fullscreen_mode.h = state->window_h;
fullscreen_mode.refresh_rate = state->refresh_rate;
SDL_SetFullscreenDisplayMode(&fullscreen_mode);
state->windows =
(SDL_WindowID *) SDL_malloc(state->num_windows *
sizeof(*state->windows));
if (!state->windows) {
fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
for (i = 0; i < state->num_windows; ++i) {
char title[1024];
if (state->num_windows > 1) {
SDL_snprintf(title, SDL_arraysize(title), "%s %d",
state->window_title, i + 1);
} else {
SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
}
state->windows[i] =
SDL_CreateWindow(title, state->window_x, state->window_y,
state->window_w, state->window_h,
state->window_flags);
if (!state->windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
for (j = 0; j < n; ++j) {
SDL_GetRenderDriverInfo(j, &info);
if (SDL_strcasecmp(info.name, state->renderdriver) ==
0) {
m = j;
break;
}
}
if (m == n) {
fprintf(stderr,
"Couldn't find render driver named %s",
state->renderdriver);
return SDL_FALSE;
}
}
if (SDL_CreateRenderer
(state->windows[i], m, state->render_flags) < 0) {
fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
SDL_GetRendererInfo(&info);
PrintRenderer(&info);
}
}
}
SDL_SelectRenderer(state->windows[0]);
}
if (state->flags & SDL_INIT_AUDIO) {
if (state->verbose & VERBOSE_AUDIO) {
n = SDL_GetNumAudioDrivers();
if (n == 0) {
fprintf(stderr, "No built-in audio drivers\n");
} else {
fprintf(stderr, "Built-in audio drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetAudioDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_AudioInit(state->audiodriver) < 0) {
fprintf(stderr, "Couldn't initialize audio driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Audio driver: %s\n",
SDL_GetCurrentAudioDriver());
}
if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
return SDL_FALSE;
}
}
return SDL_TRUE;
}
static int NDS_CreateWindowFramebuffer(_THIS, SDL_Window *window,
Uint32 *format, void **pixels,
int *pitch)
{
struct NDS_WindowData *wdata;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
const SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
const SDL_DisplayMode *mode = display->driverdata;
const Uint32 fmt = mode->format;
if (fmt != SDL_PIXELFORMAT_ABGR1555) {
SDL_SetError("Unsupported pixel format (%x)", fmt);
return -1;
}
if (!SDL_PixelFormatEnumToMasks
(fmt, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
SDL_SetError("Unknown texture format");
return -1;
}
wdata = SDL_calloc(1, sizeof(struct NDS_WindowData));
if (!wdata) {
SDL_OutOfMemory();
return -1;
}
if (bpp == 8) {
wdata->pixels_length = (SCREEN_HEIGHT+SCREEN_GAP+SCREEN_HEIGHT)*SCREEN_WIDTH;
} else {
wdata->pixels_length = (SCREEN_HEIGHT+SCREEN_GAP+SCREEN_HEIGHT)*SCREEN_WIDTH*2;
}
wdata->pixels = SDL_calloc(1, wdata->pixels_length);
if (!wdata->pixels) {
SDL_free(wdata);
SDL_SetError("Not enough memory");
return -1;
}
if (bpp == 8) {
wdata->main.bg_id = bgInit(2, BgType_Bmp8, BgSize_B8_256x256, 0, 0);
wdata->sub.bg_id = bgInitSub(3, BgType_Bmp8, BgSize_B8_256x256, 0, 0);
wdata->main.length = SCREEN_HEIGHT*SCREEN_WIDTH;
wdata->main.pixels = wdata->pixels;
wdata->sub.length = SCREEN_HEIGHT*SCREEN_WIDTH;
wdata->sub.pixels = (u8 *)wdata->pixels + wdata->main.length; /* or ...+SCREEN_GAP */
} else {
wdata->main.bg_id = bgInit(2, BgType_Bmp16, BgSize_B16_256x256, 0, 0);
wdata->sub.bg_id = bgInitSub(3, BgType_Bmp16, BgSize_B16_256x256, 0, 0);
wdata->main.length = SCREEN_HEIGHT*SCREEN_WIDTH*2;
wdata->main.pixels = wdata->pixels;
wdata->sub.length = SCREEN_HEIGHT*SCREEN_WIDTH*2;
wdata->sub.pixels = (u8 *)wdata->pixels + wdata->main.length; /* or ...+SCREEN_GAP */
}
wdata->pitch = (window->w) * ((bpp+1) / 8);
wdata->bpp = bpp;
wdata->rotate = 0;
wdata->scale.x = 0x100;
wdata->scale.y = 0x100;
wdata->scroll.x = 0;
wdata->scroll.y = 0;
wdata->main.vram_pixels = bgGetGfxPtr(wdata->main.bg_id);
wdata->sub.vram_pixels = bgGetGfxPtr(wdata->sub.bg_id);
#if 0
bgSetCenter(wdata->main.bg_id, 0, 0);
bgSetRotateScale(wdata->main.bg_id, wdata->rotate, wdata->scale.x,
wdata->scale.y);
bgSetScroll(wdata->main.bg_id, wdata->scroll.x, wdata->scroll.y);
#endif
#if 0
bgSetCenter(wdata->sub.bg_id, 0, 0);
bgSetRotateScale(wdata->sub.bg_id, wdata->rotate, wdata->scale.x,
wdata->scale.y);
bgSetScroll(wdata->sub.bg_id, wdata->scroll.x, wdata->scroll.y);
#endif
bgUpdate();
*format = fmt;
*pixels = wdata->pixels;
*pitch = wdata->pitch;
window->driverdata = wdata;
return 0;
}
