static void
SW_DestroyRenderer(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
int i;
if (data) {
for (i = 0; i < SDL_arraysize(data->texture); ++i) {
if (data->texture[i]) {
DestroyTexture(data->renderer, data->texture[i]);
}
}
if (data->surface.format) {
SDL_SetSurfacePalette(&data->surface, NULL);
SDL_FreeFormat(data->surface.format);
}
if (display->palette) {
SDL_DelPaletteWatch(display->palette, DisplayPaletteChanged,
data);
}
if (data->renderer) {
data->renderer->DestroyRenderer(data->renderer);
}
SDL_FreeDirtyRects(&data->dirty);
SDL_free(data);
}
SDL_free(renderer);
}
/*
* Free a surface created by the above function.
*/
void
SDL_FreeSurface(SDL_Surface * surface)
{
if (surface == NULL) {
return;
}
if (surface->flags & SDL_DONTFREE) {
return;
}
if (--surface->refcount > 0) {
return;
}
while (surface->locked > 0) {
SDL_UnlockSurface(surface);
}
if (surface->flags & SDL_RLEACCEL) {
SDL_UnRLESurface(surface, 0);
}
if (surface->format) {
SDL_SetSurfacePalette(surface, NULL);
SDL_FreeFormat(surface->format);
surface->format = NULL;
}
if (surface->map != NULL) {
SDL_FreeBlitMap(surface->map);
surface->map = NULL;
}
if (!(surface->flags & SDL_PREALLOC)) {
SDL_free(surface->pixels);
}
SDL_free(surface);
}
void SDLFilm::afterSet() {
if (!texture)
return;
SDL_FreeFormat(pixelFormat);
pixelFormat = nullptr;
pixels = nullptr;
SDL_UnlockTexture(texture);
}
SDL_Surface *
SDL_DisplayFormatAlpha(SDL_Surface * surface)
{
SDL_PixelFormat *vf;
SDL_PixelFormat *format;
SDL_Surface *converted;
/* default to ARGB8888 */
Uint32 amask = 0xff000000;
Uint32 rmask = 0x00ff0000;
Uint32 gmask = 0x0000ff00;
Uint32 bmask = 0x000000ff;
if (!SDL_PublicSurface) {
SDL_SetError("No video mode has been set");
return NULL;
}
vf = SDL_PublicSurface->format;
switch (vf->BytesPerPixel) {
case 2:
/* For XGY5[56]5, use, AXGY8888, where {X, Y} = {R, B}.
For anything else (like ARGB4444) it doesn't matter
since we have no special code for it anyway */
if ((vf->Rmask == 0x1f) &&
(vf->Bmask == 0xf800 || vf->Bmask == 0x7c00)) {
rmask = 0xff;
bmask = 0xff0000;
}
break;
case 3:
case 4:
/* Keep the video format, as long as the high 8 bits are
unused or alpha */
if ((vf->Rmask == 0xff) && (vf->Bmask == 0xff0000)) {
rmask = 0xff;
bmask = 0xff0000;
}
break;
default:
/* We have no other optimised formats right now. When/if a new
optimised alpha format is written, add the converter here */
break;
}
format = SDL_AllocFormat(SDL_MasksToPixelFormatEnum(32, rmask,
gmask,
bmask,
amask));
if (!format) {
return NULL;
}
converted = SDL_ConvertSurface(surface, format, SDL_RLEACCEL);
SDL_FreeFormat(format);
return converted;
}
// create a bitmapped font with a drop-shadow.
bool NXFont::InitBitmapCharsShadowed(SDL_Surface *sheet, uint32_t fgcolor, \
uint32_t color, uint32_t shadowcolor)
{
Uint32 format = screen->Format()->format;
NXFont fgfont, shadowfont;
SDL_Rect dstrect;
// create temporary fonts in the fg and shadow color
if (fgfont.InitBitmapChars(sheet, fgcolor, color))
return 1;
if (shadowfont.InitBitmapChars(sheet, fgcolor, shadowcolor))
return 1;
SDL_PixelFormat* pxformat = SDL_AllocFormat(format);
if (!pxformat)
{
staterr("InitBitmapChars: SDL_AllocFormat failed: %s", SDL_GetError());
return 1;
}
// now combine the two fonts
uint32_t transp = SDL_MapRGB(pxformat, 0, 0, 0);
for(int i=0;i<NUM_FONT_LETTERS;i++)
{
if (fgfont.letters[i])
{
letters[i] = SDL_CreateRGBSurface(0, \
BITMAP_CHAR_WIDTH+1, BITMAP_CHAR_HEIGHT+1+SHADOW_OFFSET,
pxformat->BitsPerPixel, \
pxformat->Rmask, pxformat->Gmask,
pxformat->Bmask, pxformat->Amask);
SDL_FillRect(letters[i], NULL, transp);
SDL_SetColorKey(letters[i], SDL_TRUE, transp);
dstrect.x = 0;
dstrect.y = SHADOW_OFFSET;
SDL_BlitSurface(shadowfont.letters[i], NULL, letters[i], &dstrect);
dstrect.x = 0;
dstrect.y = 0;
SDL_BlitSurface(fgfont.letters[i], NULL, letters[i], &dstrect);
}
}
SDL_FreeFormat(pxformat);
return 0;
}
Graphics::Texture* ResourceManager::texture(const string& filename)
{
if (_textures.count(filename))
{
return _textures.at(filename).get();
}
string ext = filename.substr(filename.length() - 4);
Graphics::Texture* texture = nullptr;
if (ext == ".png")
{
// @fixme: this section looks quite ugly. we should try to do something with it someday
SDL_Surface* tempSurface = IMG_Load(string(CrossPlatform::findFalltergeistDataPath() + "/" +filename).c_str());
if (tempSurface == NULL)
{
throw Exception("ResourceManager::texture(name) - cannot load texture from file " + filename + ": " + IMG_GetError());
}
SDL_PixelFormat* pixelFormat = SDL_AllocFormat(SDL_PIXELFORMAT_RGBA8888);
SDL_Surface* tempSurface2 = SDL_ConvertSurface(tempSurface, pixelFormat, 0);
texture = new Graphics::Texture(tempSurface2);
SDL_FreeFormat(pixelFormat);
SDL_FreeSurface(tempSurface);
SDL_FreeSurface(tempSurface2);
}
else if (ext == ".rix")
{
auto rix = rixFileType(filename);
if (!rix) return nullptr;
texture = new Graphics::Texture(rix->width(), rix->height());
texture->loadFromRGBA(rix->rgba());
}
else if (ext == ".frm")
{
auto frm = frmFileType(filename);
if (!frm) return nullptr;
texture = new Graphics::Texture(frm->width(), frm->height());
texture->loadFromRGBA(frm->rgba(palFileType("color.pal")));
texture->setMask(*frm->mask(palFileType("color.pal")));
}
else
{
throw Exception("ResourceManager::surface() - unknown image type:" + filename);
}
_textures.insert(make_pair(filename, unique_ptr<Graphics::Texture>(texture)));
return texture;
}
Uint32 SDLHardwareRenderDevice::MapRGBA(Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
Uint32 u_format = SDL_GetWindowPixelFormat(window);
SDL_PixelFormat* format = SDL_AllocFormat(u_format);
if (format) {
Uint32 ret = SDL_MapRGBA(format, r, g, b, a);
SDL_FreeFormat(format);
return ret;
}
else {
return 0;
}
}
SDL_Surface *
SDL_ConvertSurfaceFormat(SDL_Surface * surface, Uint32 pixel_format,
Uint32 flags)
{
SDL_PixelFormat *fmt;
SDL_Surface *convert = NULL;
fmt = SDL_AllocFormat(pixel_format);
if (fmt) {
convert = SDL_ConvertSurface(surface, fmt, flags);
SDL_FreeFormat(fmt);
}
return convert;
}
void GraphicsTerminate(GraphicsDevice *g)
{
debug(D_NORMAL, "Shutting down video...\n");
CArrayTerminate(&g->validModes);
SDL_FreeSurface(g->icon);
SDL_DestroyTexture(g->screen);
SDL_DestroyTexture(g->bkg);
SDL_DestroyTexture(g->brightnessOverlay);
SDL_DestroyRenderer(g->renderer);
SDL_FreeFormat(g->Format);
SDL_DestroyWindow(g->window);
SDL_VideoQuit();
CFREE(g->buf);
}
static SDL_Surface* sload(const char* const path)
{
SDL_Surface* const bmp = SDL_LoadBMP(path);
if(bmp == NULL)
{
puts(SDL_GetError());
exit(1);
}
SDL_PixelFormat* const allocation = SDL_AllocFormat(SDL_PIXELFORMAT_RGB888);
SDL_Surface* const converted = SDL_ConvertSurface(bmp, allocation, 0);
SDL_FreeFormat(allocation);
SDL_FreeSurface(bmp);
return converted;
}
/**
* \brief Returns a buffer of the raw pixels of this surface.
*
* Pixels returned have the RGBA 32-bit format.
*
* \return The pixel buffer.
*/
std::string Surface::get_pixels() const {
if (!software_destination &&
Video::is_acceleration_enabled()) {
// The surface is in GPU.
return ""; // TODO
}
const int num_pixels = get_width() * get_height();
if (internal_surface == nullptr) {
// No surface: this may be a color.
if (internal_color == nullptr) {
// No color either: fully transparent surface.
return std::string(num_pixels * 4, (size_t) 0);
}
uint8_t r, g, b, a;
internal_color->get_components(r, g, b, a);
std::string pixel;
pixel += r;
pixel += g;
pixel += b;
pixel += a;
std::ostringstream oss;
for (int i = 0; i < num_pixels; ++i) {
oss << pixel;
}
return oss.str();
}
if (internal_surface->format->format == SDL_PIXELFORMAT_ABGR8888) {
// No conversion needed.
const char* buffer = static_cast<const char*>(internal_surface->pixels);
return std::string(buffer, num_pixels * 4);
}
// Convert to RGBA format.
SDL_PixelFormat* format = SDL_AllocFormat(SDL_PIXELFORMAT_ABGR8888); // TODO keep this object
SDL_Surface_UniquePtr converted_surface(SDL_ConvertSurface(
internal_surface.get(),
format,
0
));
SDL_FreeFormat(format);
Debug::check_assertion(converted_surface != nullptr,
"Failed to convert pixels to RGBA format");
const char* buffer = static_cast<const char*>(converted_surface->pixels);
return std::string(buffer, num_pixels * 4);
}
void WinDestroy()
{
if(joystick) {
SDL_JoystickClose(joystick);
joystick = 0;
}
if(format)
SDL_FreeFormat(format);
format = NULL;
if(renderer)
SDL_DestroyRenderer(renderer);
renderer = NULL;
if(window)
SDL_DestroyWindow(window);
window = NULL;
};
Uint32 SDLHardwareImage::MapRGB(Uint8 r, Uint8 g, Uint8 b) {
if (!surface) return 0;
Uint32 u_format;
SDL_QueryTexture(surface, &u_format, NULL, NULL, NULL);
SDL_PixelFormat* format = SDL_AllocFormat(u_format);
if (format) {
Uint32 ret = SDL_MapRGB(format, r, g, b);
SDL_FreeFormat(format);
return ret;
}
else {
return 0;
}
}
void SDLHardwareRenderDevice::drawPixel(
int x,
int y,
Uint32 color
) {
Uint32 u_format = SDL_GetWindowPixelFormat(window);
SDL_PixelFormat* format = SDL_AllocFormat(u_format);
if (!format) return;
SDL_Color rgba;
SDL_GetRGBA(color, format, &rgba.r, &rgba.g, &rgba.b, &rgba.a);
SDL_FreeFormat(format);
SDL_SetRenderDrawColor(renderer, rgba.r, rgba.g, rgba.b, rgba.a);
SDL_RenderDrawPoint(renderer, x, y);
}
void SDLHardwareImage::fillWithColor(Uint32 color) {
if (!surface) return;
Uint32 u_format;
SDL_QueryTexture(surface, &u_format, NULL, NULL, NULL);
SDL_PixelFormat* format = SDL_AllocFormat(u_format);
if (!format) return;
SDL_Color rgba;
SDL_GetRGBA(color, format, &rgba.r, &rgba.g, &rgba.b, &rgba.a);
SDL_FreeFormat(format);
SDL_SetRenderTarget(renderer, surface);
SDL_SetTextureBlendMode(surface, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(renderer, rgba.r, rgba.g , rgba.b, rgba.a);
SDL_RenderClear(renderer);
SDL_SetRenderTarget(renderer, NULL);
}
/*
* Set the pixel at (x, y) to the given value
*/
void SDLHardwareImage::drawPixel(int x, int y, Uint32 pixel) {
if (!surface) return;
Uint32 u_format;
SDL_QueryTexture(surface, &u_format, NULL, NULL, NULL);
SDL_PixelFormat* format = SDL_AllocFormat(u_format);
if (!format) return;
SDL_Color rgba;
SDL_GetRGBA(pixel, format, &rgba.r, &rgba.g, &rgba.b, &rgba.a);
SDL_FreeFormat(format);
SDL_SetRenderTarget(renderer, surface);
SDL_SetTextureBlendMode(surface, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(renderer, rgba.r, rgba.g, rgba.b, rgba.a);
SDL_RenderDrawPoint(renderer, x, y);
SDL_SetRenderTarget(renderer, NULL);
}
int main(int argc, char *argv[])
{
google::InitGoogleLogging(argv[0]);
// Setup the filename
if(argc != 2) {
printUsage();
return 1;
} else {
std::string romName = argv[1];
LOG(INFO) << "Reading rom " << romName;
std::vector<unsigned char> rom = Chip8::FileUtils::readRom(romName);
LOG(INFO) << "Rom size = " << rom.size();
for(unsigned int i = 0; i < rom.size(); i++) {
if(!Chip8::Memory::instance().write(Chip8::Memory::StartAddress + i, rom.at(i))) {
LOG(INFO) << "Failed to load rom into " << (int) Chip8::Memory::StartAddress + i;
std::cout << "Failed to load rom into " << (int) Chip8::Memory::StartAddress + i << std::endl;
return 1;
}
}
LOG(INFO) << "Loaded rom";
for(unsigned int i = 0; i < rom.size(); i++) {
unsigned char data = 0;
Chip8::Memory::instance().read(Chip8::Memory::StartAddress + i, data);
LOG(INFO) << (int) data;
}
}
// Setup SDL.
// Chip8 has a render size of 64x32
int upScale = 24;
int error = SDL_Init(SDL_INIT_VIDEO);
if(error < 0) {
LOG(FATAL) << "Failed to init SDL - " << SDL_GetError();
}
SDL_Window *window = SDL_CreateWindow("Chip8", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Chip8::Video::Width * upScale, Chip8::Video::Height * upScale, SDL_WINDOW_RESIZABLE);
//SDL_Window *window = SDL_CreateWindow("Chip8", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 0, 0, SDL_WINDOW_FULLSCREEN_DESKTOP);
if(window == NULL) {
LOG(FATAL) << "Failed to create window - " << SDL_GetError();
}
SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
if(renderer == NULL) {
LOG(FATAL) << "Failed to create renderer - " << SDL_GetError();
}
SDL_RenderSetScale(renderer, upScale, upScale);
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, 0);
error = SDL_RenderSetLogicalSize(renderer, Chip8::Video::Width, Chip8::Video::Height);
if(error < 0) {
LOG(FATAL) << "Failed to set render size - " << SDL_GetError();
}
// Create the texture that will be drawn to the screen every frame.
SDL_Texture *texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, Chip8::Video::Width, Chip8::Video::Height);
if(texture == NULL) {
LOG(FATAL) << "Failed to create texture - " << SDL_GetError();
}
// Make sure to set the correct pixel format for the Video module
SDL_PixelFormat *format = SDL_AllocFormat(SDL_PIXELFORMAT_RGBA8888);
if(format == NULL) {
LOG(FATAL) << "Failed to create format - " << SDL_GetError();
}
Chip8::Video::instance().setPixelFormat(format);
// Load fonts into memory
for(unsigned char i = 0; i < 0xF + 1; i++) {
LOG(INFO) << "Getting font sprite " << (int) i;
const unsigned char *sprite = Chip8::Fonts::getSprite(i);
for(unsigned char j = 0; j < Chip8::Fonts::SpriteHeight; j++) {
unsigned int address = 0x0 + (i * Chip8::Fonts::SpriteHeight) + j;
LOG(INFO) << "Loading font sprite byte " << (int) j << " to memory address " << address;
if(!Chip8::Memory::instance().write(address, sprite[j])) {
LOG(INFO) << "Failed to load font sprite " << (int) i << " into memory address " << address;
}
}
}
// Jump to start of rom
Chip8::Cpu::instance().jump(Chip8::Memory::StartAddress);
SDL_Event event;
Uint32 lastFrame = SDL_GetTicks();
Uint32 sixtyFrame = 1000 / 60;
do {
Uint32 currentFrame = SDL_GetTicks();
Uint32 elapsed = currentFrame - lastFrame;
lastFrame = currentFrame;
if(elapsed < sixtyFrame) {
SDL_Delay(sixtyFrame - elapsed);
}
// Handle event
SDL_PollEvent(&event);
switch(event.type) {
case SDL_KEYDOWN:
LOG(INFO) << "Key pressed " << event.key.keysym.scancode;
if(event.key.keysym.scancode == SDL_SCANCODE_ESCAPE) {
LOG(INFO) << "Escape pressed exiting now";
SDL_FreeFormat(format);
SDL_DestroyTexture(texture);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;
} else if(Chip8::InputManager::instance().IsWaitingForKeyPress) {
unsigned char hex;
Chip8::InputManager::instance().toHex(event.key.keysym.scancode, hex);
LOG(INFO) << "InputManager waiting for key press key pressed = " << hex;
if(Chip8::InputManager::instance().isValidKey(hex)) {
LOG(INFO) << "Valid key detected, setting register " << Chip8::InputManager::instance().KeyPressRegister;
Chip8::InputManager::instance().IsWaitingForKeyPress = false;
Chip8::Memory::instance().setRegister(Chip8::InputManager::KeyPressRegister, hex);
}
}
break;
}
if(!Chip8::InputManager::instance().IsWaitingForKeyPress) {
// Cpu step
Chip8::Cpu::instance().step();
Chip8::Timers::instance().step();
}
// Render screen
SDL_RenderClear(renderer);
SDL_UpdateTexture(texture, NULL, Chip8::Video::instance().getPixels(), Chip8::Video::Width * sizeof(Uint32));
SDL_RenderCopy(renderer, texture, NULL, NULL);
SDL_RenderPresent(renderer);
} while(event.type != SDL_QUIT);
SDL_FreeFormat(format);
SDL_DestroyTexture(texture);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;
}
int main(int argc, char *argv[])
{
Uint32 *buf = NULL;
SDL_Texture *t = NULL;
SDL_PixelFormat *format = NULL;
SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;
// Init SDL
if (SDL_Init(SDL_INIT_VIDEO) != 0)
{
printf("SDL_Init error: %s\n", SDL_GetError());
goto bail;
}
// Create surface
buf = malloc(SCREEN_W * SCREEN_H * sizeof(Uint32));
if (buf == NULL)
{
printf("Failed to allocate buffer\n");
goto bail;
}
// Create display window based on image size
window = SDL_CreateWindow(
argv[1], SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
SCREEN_W, SCREEN_H, 0);
if (window == NULL)
{
printf("Failed to create window: %s\n", SDL_GetError());
goto bail;
}
format = SDL_AllocFormat(SDL_GetWindowPixelFormat(window));
if (format == NULL)
{
printf("Failed to alloc pixel format: %s\n", SDL_GetError());
goto bail;
}
renderer = SDL_CreateRenderer(window, -1, 0);
if (renderer == NULL)
{
printf("Failed to create renderer: %s\n", SDL_GetError());
goto bail;
}
SDL_RenderSetLogicalSize(renderer, SCREEN_W, SCREEN_H);
// Create texture
t = SDL_CreateTexture(
renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING,
SCREEN_W, SCREEN_H);
if (t == NULL)
{
printf("Failed to create screen texture: %s\n", SDL_GetError());
goto bail;
}
// Draw a palette on the buffer
#define MAX(x, y) ((x) > (y) ? (x) : (y))
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#define CLAMP(v, _min, _max) MAX((_min), MIN((_max), (v)))
#define GREY_MARGIN 20
for (int y = 0; y < SCREEN_H; y++)
{
Uint8 v = (Uint8)CLAMP((SCREEN_H - y) * 255.0 / (SCREEN_H / 2), 0, 255);
double s = CLAMP(y * 1.0 / (SCREEN_H / 2), 0.0, 1.0);
for (int x = 0; x < SCREEN_W; x++)
{
SDL_Color c;
c.a = 255;
if (x < SCREEN_W - GREY_MARGIN)
{
double h = x * 360.0 / (SCREEN_W - GREY_MARGIN);
double ff;
Uint8 p, q, t;
long i;
double hh = h;
if (hh >= 360.0)
{
hh = 0.0;
}
hh /= 60.0;
i = (long)hh;
ff = hh - i;
p = (Uint8)CLAMP(v * (1.0 - s), 0, 255);
q = (Uint8)CLAMP(v * (1.0 - (s * ff)), 0, 255);
t = (Uint8)CLAMP(v * (1.0 - (s * (1.0 - ff))), 0, 255);
switch (i)
{
case 0:
c.r = v;
c.g = t;
c.b = p;
break;
case 1:
c.r = q;
c.g = v;
c.b = p;
break;
case 2:
c.r = p;
c.g = v;
c.b = t;
break;
case 3:
c.r = p;
c.g = q;
c.b = v;
break;
case 4:
c.r = t;
c.g = p;
c.b = v;
break;
case 5:
default:
c.r = v;
c.g = p;
c.b = q;
break;
}
}
else
{
c.r = c.g = c.b = (Uint8)CLAMP((SCREEN_H - y) * 255.0 / SCREEN_H, 0, 255);
}
Uint32 pixel = SDL_MapRGBA(format, c.r, c.g, c.b, c.a);
buf[x + y*SCREEN_W] = pixel;
}
}
// Render to texture
SDL_UpdateTexture(t, NULL, buf, SCREEN_W * sizeof(Uint32));
if (SDL_RenderClear(renderer) != 0)
{
printf("Failed to clear renderer: %s\n", SDL_GetError());
goto bail;
}
// Blit the texture to screen
if (SDL_RenderCopy(renderer, t, NULL, NULL) != 0)
{
printf("Failed to blit surface: %s\n", SDL_GetError());
goto bail;
}
// Display
SDL_RenderPresent(renderer);
// Wait for keypress to exit
bool quit = false;
while (!quit)
{
SDL_Event e;
while (SDL_PollEvent(&e))
{
if (e.type == SDL_KEYDOWN || e.type == SDL_QUIT)
{
quit = true;
}
}
SDL_Delay(100);
}
bail:
SDL_DestroyTexture(t);
free(buf);
SDL_DestroyRenderer(renderer);
SDL_FreeFormat(format);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;
}
void destructor(State & state, SDL_PixelFormat * pixelformat){
SDL_FreeFormat(pixelformat);
}
int
SDL_WM_ToggleFullScreen(SDL_Surface * surface)
{
int length;
void *pixels;
Uint8 *src, *dst;
int row;
int window_w;
int window_h;
if (!SDL_PublicSurface) {
SDL_SetError("SDL_SetVideoMode() hasn't been called");
return 0;
}
/* Copy the old bits out */
length = SDL_PublicSurface->w * SDL_PublicSurface->format->BytesPerPixel;
pixels = SDL_malloc(SDL_PublicSurface->h * length);
if (pixels) {
src = (Uint8*)SDL_PublicSurface->pixels;
dst = (Uint8*)pixels;
for (row = 0; row < SDL_PublicSurface->h; ++row) {
SDL_memcpy(dst, src, length);
src += SDL_PublicSurface->pitch;
dst += length;
}
}
/* Do the physical mode switch */
if (SDL_GetWindowFlags(SDL_VideoWindow) & SDL_WINDOW_FULLSCREEN) {
if (SDL_SetWindowFullscreen(SDL_VideoWindow, 0) < 0) {
return 0;
}
SDL_PublicSurface->flags &= ~SDL_FULLSCREEN;
} else {
if (SDL_SetWindowFullscreen(SDL_VideoWindow, 1) < 0) {
return 0;
}
SDL_PublicSurface->flags |= SDL_FULLSCREEN;
}
/* Recreate the screen surface */
SDL_WindowSurface = SDL_GetWindowSurface(SDL_VideoWindow);
if (!SDL_WindowSurface) {
/* We're totally hosed... */
return 0;
}
/* Center the public surface in the window surface */
SDL_GetWindowSize(SDL_VideoWindow, &window_w, &window_h);
SDL_VideoViewport.x = (window_w - SDL_VideoSurface->w)/2;
SDL_VideoViewport.y = (window_h - SDL_VideoSurface->h)/2;
SDL_VideoViewport.w = SDL_VideoSurface->w;
SDL_VideoViewport.h = SDL_VideoSurface->h;
/* Do some shuffling behind the application's back if format changes */
if (SDL_VideoSurface->format->format != SDL_WindowSurface->format->format) {
if (SDL_ShadowSurface) {
if (SDL_ShadowSurface->format->format == SDL_WindowSurface->format->format) {
/* Whee! We don't need a shadow surface anymore! */
SDL_VideoSurface->flags &= ~SDL_DONTFREE;
SDL_FreeSurface(SDL_VideoSurface);
SDL_free(SDL_ShadowSurface->pixels);
SDL_VideoSurface = SDL_ShadowSurface;
SDL_VideoSurface->flags |= SDL_PREALLOC;
SDL_ShadowSurface = NULL;
} else {
/* No problem, just change the video surface format */
SDL_FreeFormat(SDL_VideoSurface->format);
SDL_VideoSurface->format = SDL_WindowSurface->format;
SDL_VideoSurface->format->refcount++;
SDL_InvalidateMap(SDL_ShadowSurface->map);
}
} else {
/* We can make the video surface the shadow surface */
SDL_ShadowSurface = SDL_VideoSurface;
SDL_ShadowSurface->pitch = SDL_CalculatePitch(SDL_ShadowSurface);
SDL_ShadowSurface->pixels = SDL_malloc(SDL_ShadowSurface->h * SDL_ShadowSurface->pitch);
if (!SDL_ShadowSurface->pixels) {
/* Uh oh, we're hosed */
SDL_ShadowSurface = NULL;
return 0;
}
SDL_ShadowSurface->flags &= ~SDL_PREALLOC;
SDL_VideoSurface = SDL_CreateRGBSurfaceFrom(NULL, 0, 0, 32, 0, 0, 0, 0, 0);
SDL_VideoSurface->flags = SDL_ShadowSurface->flags;
SDL_VideoSurface->flags |= SDL_PREALLOC;
SDL_FreeFormat(SDL_VideoSurface->format);
SDL_VideoSurface->format = SDL_WindowSurface->format;
SDL_VideoSurface->format->refcount++;
SDL_VideoSurface->w = SDL_ShadowSurface->w;
SDL_VideoSurface->h = SDL_ShadowSurface->h;
}
}
/* Update the video surface */
SDL_VideoSurface->pitch = SDL_WindowSurface->pitch;
SDL_VideoSurface->pixels = (void *)((Uint8 *)SDL_WindowSurface->pixels +
SDL_VideoViewport.y * SDL_VideoSurface->pitch +
SDL_VideoViewport.x * SDL_VideoSurface->format->BytesPerPixel);
SDL_SetClipRect(SDL_VideoSurface, NULL);
/* Copy the old bits back */
if (pixels) {
src = (Uint8*)pixels;
dst = (Uint8*)SDL_PublicSurface->pixels;
for (row = 0; row < SDL_PublicSurface->h; ++row) {
SDL_memcpy(dst, src, length);
src += length;
dst += SDL_PublicSurface->pitch;
}
SDL_Flip(SDL_PublicSurface);
SDL_free(pixels);
}
/* We're done! */
return 1;
}
void GraphicsInitialize(GraphicsDevice *g)
{
if (g->IsInitialized && !g->cachedConfig.RestartFlags)
{
return;
}
if (!g->IsWindowInitialized)
{
char buf[CDOGS_PATH_MAX];
GetDataFilePath(buf, "cdogs_icon.bmp");
g->icon = IMG_Load(buf);
AddSupportedGraphicsModes(g);
g->IsWindowInitialized = true;
}
g->IsInitialized = false;
const int w = g->cachedConfig.Res.x;
const int h = g->cachedConfig.Res.y;
const bool initRenderer =
!!(g->cachedConfig.RestartFlags & RESTART_RESOLUTION);
const bool initTextures =
!!(g->cachedConfig.RestartFlags &
(RESTART_RESOLUTION | RESTART_SCALE_MODE));
const bool initBrightness =
!!(g->cachedConfig.RestartFlags &
(RESTART_RESOLUTION | RESTART_SCALE_MODE | RESTART_BRIGHTNESS));
if (initRenderer)
{
Uint32 sdlFlags = SDL_WINDOW_RESIZABLE;
if (g->cachedConfig.Fullscreen)
{
sdlFlags |= SDL_WINDOW_FULLSCREEN;
}
LOG(LM_GFX, LL_INFO, "graphics mode(%dx%d %dx)",
w, h, g->cachedConfig.ScaleFactor);
// Get the previous window's size and recreate it
Vec2i windowSize = Vec2iNew(
w * g->cachedConfig.ScaleFactor, h * g->cachedConfig.ScaleFactor);
if (g->window)
{
SDL_GetWindowSize(g->window, &windowSize.x, &windowSize.y);
}
LOG(LM_GFX, LL_DEBUG, "destroying previous renderer");
SDL_DestroyTexture(g->screen);
SDL_DestroyTexture(g->bkg);
SDL_DestroyTexture(g->brightnessOverlay);
SDL_DestroyRenderer(g->renderer);
SDL_FreeFormat(g->Format);
SDL_DestroyWindow(g->window);
LOG(LM_GFX, LL_DEBUG, "creating window %dx%d flags(%X)",
windowSize.x, windowSize.y, sdlFlags);
if (SDL_CreateWindowAndRenderer(
windowSize.x, windowSize.y, sdlFlags,
&g->window, &g->renderer) == -1 ||
g->window == NULL || g->renderer == NULL)
{
LOG(LM_GFX, LL_ERROR, "cannot create window or renderer: %s",
SDL_GetError());
return;
}
char title[32];
sprintf(title, "C-Dogs SDL %s%s",
g->cachedConfig.IsEditor ? "Editor " : "",
CDOGS_SDL_VERSION);
LOG(LM_GFX, LL_DEBUG, "setting title(%s) and icon", title);
SDL_SetWindowTitle(g->window, title);
SDL_SetWindowIcon(g->window, g->icon);
g->Format = SDL_AllocFormat(SDL_PIXELFORMAT_ARGB8888);
if (SDL_RenderSetLogicalSize(g->renderer, w, h) != 0)
{
LOG(LM_GFX, LL_ERROR, "cannot set renderer logical size: %s",
SDL_GetError());
return;
}
GraphicsSetBlitClip(
g, 0, 0, g->cachedConfig.Res.x - 1, g->cachedConfig.Res.y - 1);
}
if (initTextures)
{
if (!initRenderer)
{
SDL_DestroyTexture(g->screen);
SDL_DestroyTexture(g->bkg);
SDL_DestroyTexture(g->brightnessOverlay);
}
// Set render scale mode
const char *renderScaleQuality = "nearest";
switch ((ScaleMode)ConfigGetEnum(&gConfig, "Graphics.ScaleMode"))
{
case SCALE_MODE_NN:
renderScaleQuality = "nearest";
break;
case SCALE_MODE_BILINEAR:
renderScaleQuality = "linear";
break;
default:
CASSERT(false, "unknown scale mode");
break;
}
LOG(LM_GFX, LL_DEBUG, "setting scale quality %s", renderScaleQuality);
if (!SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, renderScaleQuality))
{
LOG(LM_GFX, LL_WARN, "cannot set render quality hint: %s",
SDL_GetError());
}
g->screen = CreateTexture(
g->renderer, SDL_TEXTUREACCESS_STREAMING, Vec2iNew(w, h),
SDL_BLENDMODE_BLEND, 255);
if (g->screen == NULL)
{
return;
}
CFREE(g->buf);
CCALLOC(g->buf, GraphicsGetMemSize(&g->cachedConfig));
g->bkg = CreateTexture(
g->renderer, SDL_TEXTUREACCESS_STATIC, Vec2iNew(w, h),
SDL_BLENDMODE_NONE, 255);
if (g->bkg == NULL)
{
return;
}
}
if (initBrightness)
{
if (!initRenderer && !initTextures)
{
SDL_DestroyTexture(g->brightnessOverlay);
}
const int brightness = ConfigGetInt(&gConfig, "Graphics.Brightness");
// Alpha is approximately 50% max
const Uint8 alpha = (Uint8)(brightness > 0 ? brightness : -brightness) * 13;
g->brightnessOverlay = CreateTexture(
g->renderer, SDL_TEXTUREACCESS_STATIC, Vec2iNew(w, h),
SDL_BLENDMODE_BLEND, alpha);
if (g->brightnessOverlay == NULL)
{
return;
}
const color_t overlayColour = brightness > 0 ? colorWhite : colorBlack;
DrawRectangle(g, Vec2iZero(), g->cachedConfig.Res, overlayColour, 0);
SDL_UpdateTexture(
g->brightnessOverlay, NULL, g->buf,
g->cachedConfig.Res.x * sizeof(Uint32));
memset(g->buf, 0, GraphicsGetMemSize(&g->cachedConfig));
g->cachedConfig.Brightness = brightness;
}
g->IsInitialized = true;
g->cachedConfig.Res.x = w;
g->cachedConfig.Res.y = h;
g->cachedConfig.RestartFlags = 0;
}
SDL_Surface *
SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
{
SDL_DisplayMode desktop_mode;
int display = GetVideoDisplay();
int window_x = SDL_WINDOWPOS_UNDEFINED_DISPLAY(display);
int window_y = SDL_WINDOWPOS_UNDEFINED_DISPLAY(display);
int window_w;
int window_h;
Uint32 window_flags;
Uint32 surface_flags;
if (!SDL_GetVideoDevice()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
return NULL;
}
}
SDL_GetDesktopDisplayMode(display, &desktop_mode);
if (width == 0) {
width = desktop_mode.w;
}
if (height == 0) {
height = desktop_mode.h;
}
if (bpp == 0) {
bpp = SDL_BITSPERPIXEL(desktop_mode.format);
}
/* 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_ShadowSurface->flags &= ~SDL_DONTFREE;
SDL_FreeSurface(SDL_ShadowSurface);
SDL_ShadowSurface = NULL;
}
if (SDL_VideoSurface) {
SDL_VideoSurface->flags &= ~SDL_DONTFREE;
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_VideoWindow =
SDL_CreateWindow(wm_title, window_x, window_y, width, height,
window_flags);
if (!SDL_VideoWindow) {
return NULL;
}
SDL_SetWindowIcon(SDL_VideoWindow, SDL_VideoIcon);
SetupScreenSaver(flags);
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) && (flags & SDL_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;
}
SDL_VideoFlags = flags;
/* 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 the screen surface */
SDL_WindowSurface = SDL_GetWindowSurface(SDL_VideoWindow);
if (!SDL_WindowSurface) {
return NULL;
}
/* Center the public surface in the window surface */
SDL_GetWindowSize(SDL_VideoWindow, &window_w, &window_h);
SDL_VideoViewport.x = (window_w - width)/2;
SDL_VideoViewport.y = (window_h - height)/2;
SDL_VideoViewport.w = width;
SDL_VideoViewport.h = height;
SDL_VideoSurface = SDL_CreateRGBSurfaceFrom(NULL, 0, 0, 32, 0, 0, 0, 0, 0);
SDL_VideoSurface->flags |= surface_flags;
SDL_VideoSurface->flags |= SDL_DONTFREE;
SDL_FreeFormat(SDL_VideoSurface->format);
SDL_VideoSurface->format = SDL_WindowSurface->format;
SDL_VideoSurface->format->refcount++;
SDL_VideoSurface->w = width;
SDL_VideoSurface->h = height;
SDL_VideoSurface->pitch = SDL_WindowSurface->pitch;
SDL_VideoSurface->pixels = (void *)((Uint8 *)SDL_WindowSurface->pixels +
SDL_VideoViewport.y * SDL_VideoSurface->pitch +
SDL_VideoViewport.x * SDL_VideoSurface->format->BytesPerPixel);
SDL_SetClipRect(SDL_VideoSurface, NULL);
/* 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;
SDL_ShadowSurface->flags |= SDL_DONTFREE;
/* 8-bit SDL_ShadowSurface surfaces report that they have exclusive palette */
if (SDL_ShadowSurface->format->palette) {
SDL_ShadowSurface->flags |= SDL_HWPALETTE;
SDL_DitherColors(SDL_ShadowSurface->format->palette->colors,
SDL_ShadowSurface->format->BitsPerPixel);
}
SDL_FillRect(SDL_ShadowSurface, NULL,
SDL_MapRGB(SDL_ShadowSurface->format, 0, 0, 0));
}
SDL_PublicSurface =
(SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
ClearVideoSurface();
/* We're finally done! */
return SDL_PublicSurface;
}
SDL_Texture *
SDL_CreateTextureFromSurface(SDL_Renderer * renderer, SDL_Surface * surface)
{
const SDL_PixelFormat *fmt;
SDL_bool needAlpha;
Uint32 i;
Uint32 format;
SDL_Texture *texture;
CHECK_RENDERER_MAGIC(renderer, NULL);
if (!surface) {
SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
return NULL;
}
/* See what the best texture format is */
fmt = surface->format;
if (fmt->Amask || SDL_GetColorKey(surface, NULL) == 0) {
needAlpha = SDL_TRUE;
} else {
needAlpha = SDL_FALSE;
}
format = renderer->info.texture_formats[0];
for (i = 0; i < renderer->info.num_texture_formats; ++i) {
if (!SDL_ISPIXELFORMAT_FOURCC(renderer->info.texture_formats[i]) &&
SDL_ISPIXELFORMAT_ALPHA(renderer->info.texture_formats[i]) == needAlpha) {
format = renderer->info.texture_formats[i];
break;
}
}
texture = SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_STATIC,
surface->w, surface->h);
if (!texture) {
return NULL;
}
if (format == surface->format->format) {
if (SDL_MUSTLOCK(surface)) {
SDL_LockSurface(surface);
SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
SDL_UnlockSurface(surface);
} else {
SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
}
} else {
SDL_PixelFormat *dst_fmt;
SDL_Surface *temp = NULL;
/* Set up a destination surface for the texture update */
dst_fmt = SDL_AllocFormat(format);
temp = SDL_ConvertSurface(surface, dst_fmt, 0);
SDL_FreeFormat(dst_fmt);
if (temp) {
SDL_UpdateTexture(texture, NULL, temp->pixels, temp->pitch);
SDL_FreeSurface(temp);
} else {
SDL_DestroyTexture(texture);
return NULL;
}
}
{
Uint8 r, g, b, a;
SDL_BlendMode blendMode;
SDL_GetSurfaceColorMod(surface, &r, &g, &b);
SDL_SetTextureColorMod(texture, r, g, b);
SDL_GetSurfaceAlphaMod(surface, &a);
SDL_SetTextureAlphaMod(texture, a);
if (SDL_GetColorKey(surface, NULL) == 0) {
/* We converted to a texture with alpha format */
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
} else {
SDL_GetSurfaceBlendMode(surface, &blendMode);
SDL_SetTextureBlendMode(texture, blendMode);
}
}
return texture;
}
// Create a font from a bitmapped font sheet.
// sheet: a 8bpp (paletted) sheet to create the font from.
// fgindex: color index of foreground color of letters.
// color: the color you want the letters to be.
bool NXFont::InitBitmapChars(SDL_Surface *sheet, uint32_t fgcolor, uint32_t color)
{
Uint32 format = screen->Format()->format;
SDL_Rect srcrect, dstrect;
SDL_Surface *letter;
int x, y, i;
SDL_PixelFormat* pxformat = SDL_AllocFormat(format);
if (!pxformat)
{
staterr("InitBitmapChars: SDL_AllocFormat failed: %s", SDL_GetError());
return 1;
}
// NULL out letters we don't have a character for
memset(this->letters, 0, sizeof(this->letters));
// change the color of the letters by messing with the palette on the sheet
ReplaceColor(sheet, fgcolor, color);
// start at the top of the letter sheet.
x = 0;
y = 0;
for(i=0;bitmap_map[i];i++)
{
uint8_t ch = bitmap_map[i];
//stat("copying letter %d: '%c' from [%d,%d]", i, ch, x, y);
// make character surface one pixel larger than the actual char so that there
// is some space between letters in autospaced text such as on the menus.
letter = SDL_CreateRGBSurface(0, \
BITMAP_CHAR_WIDTH+1, BITMAP_CHAR_HEIGHT+1,
pxformat->BitsPerPixel, \
pxformat->Rmask, pxformat->Gmask,
pxformat->Bmask, pxformat->Amask);
if (!letter)
{
staterr("InitBitmapChars: failed to create surface for character %d/%d", i, ch);
SDL_FreeFormat(pxformat);
return 1;
}
SDL_FillRect(letter, NULL, SDL_MapRGB(pxformat, 0, 0, 0));
// copy letter off of sheet
srcrect.x = x;
srcrect.y = y;
srcrect.w = BITMAP_CHAR_WIDTH;
srcrect.h = BITMAP_CHAR_HEIGHT;
dstrect.x = 0;
dstrect.y = 0;
SDL_BlitSurface(sheet, &srcrect, letter, &dstrect);
// make background transparent and copy into final position
SDL_SetColorKey(letter, SDL_TRUE, SDL_MapRGB(pxformat, 0, 0, 0));
SDL_PixelFormat * format = screen->Format();
letters[ch] = SDL_ConvertSurfaceFormat(letter, format->format, 0);
SDL_FreeSurface(letter);
// letters[ch] = letter;
// advance to next position on sheet
x += BITMAP_SPAC_WIDTH;
if (x >= sheet->w)
{
x = 0;
y += BITMAP_SPAC_HEIGHT;
}
}
return 0;
}
SDLWindowManager::SDLWindowManager(Application* application):
WindowManager(application)
{
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) == -1)
{
throw RuntimeException("SDL initialization failed.");
}
int displayCount = SDL_GetNumVideoDisplays();
displays.resize(displayCount);
primaryDisplay = &displays[0];
for (int i = 0; i < displayCount; ++i)
{
Display* display = &displays[i];
const char* displayName = SDL_GetDisplayName(i);
if (displayName)
{
display->setName(displayName);
}
SDL_DisplayMode sdlCurrentDisplayMode;
SDL_GetCurrentDisplayMode(i, &sdlCurrentDisplayMode);
int displayModeCount = SDL_GetNumDisplayModes(i);
for (int j = 0; j < displayModeCount; ++j)
{
SDL_DisplayMode sdlDisplayMode;
SDL_GetDisplayMode(i, j, &sdlDisplayMode);
SDL_PixelFormat* format = SDL_AllocFormat(sdlDisplayMode.format);
if (!format)
{
std::cerr << "Failed to create SDL pixel format: " << SDL_GetPixelFormatName(sdlDisplayMode.format) << '\n';
continue;
}
int width = sdlDisplayMode.w;
int height = sdlDisplayMode.h;
int refreshRate = sdlDisplayMode.refresh_rate;
int redBits, greenBits, blueBits, alphaBits;
SDLPixelFormatMap::getChannelBits(format, &redBits, &greenBits, &blueBits, &alphaBits);
SDL_FreeFormat(format);
display->addMode(
DisplayMode(width, height, redBits, greenBits, blueBits, alphaBits, refreshRate));
if (sdlCurrentDisplayMode.w == sdlDisplayMode.w &&
sdlCurrentDisplayMode.h == sdlDisplayMode.h &&
sdlCurrentDisplayMode.format == sdlDisplayMode.format &&
sdlCurrentDisplayMode.refresh_rate == sdlDisplayMode.refresh_rate)
{
display->setCurrentMode(j);
}
}
}
keyboard = new Keyboard("Default Keyboard");
mouse = new Mouse("Default Mouse");
application->getInputManager()->registerKeyboard(keyboard);
application->getInputManager()->registerMouse(mouse);
}
/* !
* Tests surface conversion across all pixel formats.
*/
int
surface_testCompleteSurfaceConversion(void *arg)
{
Uint32 pixel_formats[] = {
SDL_PIXELFORMAT_INDEX8,
SDL_PIXELFORMAT_RGB332,
SDL_PIXELFORMAT_RGB444,
SDL_PIXELFORMAT_RGB555,
SDL_PIXELFORMAT_BGR555,
SDL_PIXELFORMAT_ARGB4444,
SDL_PIXELFORMAT_RGBA4444,
SDL_PIXELFORMAT_ABGR4444,
SDL_PIXELFORMAT_BGRA4444,
SDL_PIXELFORMAT_ARGB1555,
SDL_PIXELFORMAT_RGBA5551,
SDL_PIXELFORMAT_ABGR1555,
SDL_PIXELFORMAT_BGRA5551,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_BGR565,
SDL_PIXELFORMAT_RGB24,
SDL_PIXELFORMAT_BGR24,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_RGBX8888,
SDL_PIXELFORMAT_BGR888,
SDL_PIXELFORMAT_BGRX8888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_BGRA8888,
SDL_PIXELFORMAT_ARGB2101010,
};
SDL_Surface *face = NULL, *cvt1, *cvt2, *final;
SDL_PixelFormat *fmt1, *fmt2;
int i, j, ret = 0;
/* Create sample surface */
face = SDLTest_ImageFace();
SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL");
if (face == NULL)
return TEST_ABORTED;
/* Set transparent pixel as the pixel at (0,0) */
if (face->format->palette) {
ret = SDL_SetColorKey(face, SDL_RLEACCEL, *(Uint8 *) face->pixels);
SDLTest_AssertPass("Call to SDL_SetColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetColorKey, expected: 0, got: %i", ret);
}
for ( i = 0; i < SDL_arraysize(pixel_formats); ++i ) {
for ( j = 0; j < SDL_arraysize(pixel_formats); ++j ) {
fmt1 = SDL_AllocFormat(pixel_formats[i]);
SDL_assert(fmt1 != NULL);
cvt1 = SDL_ConvertSurface(face, fmt1, 0);
SDL_assert(cvt1 != NULL);
fmt2 = SDL_AllocFormat(pixel_formats[j]);
SDL_assert(fmt1 != NULL);
cvt2 = SDL_ConvertSurface(cvt1, fmt2, 0);
SDL_assert(cvt2 != NULL);
if ( fmt1->BytesPerPixel == face->format->BytesPerPixel &&
fmt2->BytesPerPixel == face->format->BytesPerPixel &&
(fmt1->Amask != 0) == (face->format->Amask != 0) &&
(fmt2->Amask != 0) == (face->format->Amask != 0) ) {
final = SDL_ConvertSurface( cvt2, face->format, 0 );
SDL_assert(final != NULL);
/* Compare surface. */
ret = SDLTest_CompareSurfaces( face, final, 0 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
SDL_FreeSurface(final);
}
SDL_FreeSurface(cvt1);
SDL_FreeFormat(fmt1);
SDL_FreeSurface(cvt2);
SDL_FreeFormat(fmt2);
}
}
U32 SGL_DataSaveImage(const char* name, SDL_Surface * surf)
{
U32 loc;
U32 hash;
SDL_Surface* convSurf;
if (surf == NULL)
{
SDL_Log("SGL_DataSaveImage couldn't save because surf pointer is NULL");
return SGL_FALSE;
}
if (surf->format->format != SDL_PIXELFORMAT_ARGB8888)
{
convSurf = surf;
}
else if (surf->format->BytesPerPixel <= 4)
{
//SDL_PIXELFORMAT_ARGB8888 == VK_FORMAT_B8G8R8A8_UNORM
//I havent had time to check why the SDL pixel format is reversed in comparison to the vulkan format
//27.2.2016 Vulkan doesnt currently support 3 component pixel formats, actually the only format i found working was mentioned above
SDL_PixelFormat* format = SDL_AllocFormat(SDL_PIXELFORMAT_ARGB8888);
convSurf = SDL_ConvertSurface(surf, format, 0);
SDL_FreeFormat(format);
if (convSurf == NULL)
{
SDL_Log("SGL_DataSaveImage couldn't convert surface to SDL_PIXELFORMAT_ARGB8888/VK_FORMAT_B8G8R8A8_UNORM, you could maybe add unimplemented format if vulkan supports it?");
return SGL_FALSE;
}
}
else
{
SDL_Log("SGL_DataSaveImage encountered unsupported pixel format. Aborting save");
return SGL_FALSE;
}
targetData.block.imageCount++;
{
SDL_RWops* rw = SDL_RWFromFile(targetData.path, "rb+");
if (rw == NULL)
{
SDL_Log("SGL_DataSaveImage couldn't open file in path: %s, SDL_Error:%s", targetData.path, SDL_GetError());
return SGL_FALSE;
}
loc = (U32)SDL_RWseek(rw, 0, RW_SEEK_END);
const SGL_FileSurface surfData =
{
convSurf->flags,
convSurf->w, convSurf->h,
convSurf->format->BitsPerPixel,
convSurf->format->Rmask, convSurf->format->Gmask, convSurf->format->Bmask, convSurf->format->Amask
};
if (SDL_RWwrite(rw, &surfData, sizeof(SGL_FileSurface), 1) != 1)
{
SDL_RWclose(rw);
SDL_Log("SGL_DataSaveImage couldn't write to data file in path: %s", targetData.path);
return SGL_FALSE;
}
{
I32 y;
const U32 pixelSize = convSurf->format->BytesPerPixel;
//y axis gets flipped here
//this prolly hurts the writing speed but this is done only when saving the textures
for (y = surfData.h-1; y >= 0; y--)
{
I32 x;
for (x = 0; x < surfData.w; x++)
{
SDL_RWwrite(rw, ((U8*)convSurf->pixels)+(y*surfData.w*pixelSize)+(x*pixelSize), pixelSize, 1);
}
}
}
SDL_RWseek(rw, 0, RW_SEEK_SET);
if (SDL_RWwrite(rw, &targetData.block, sizeof(SGL_DataBlock), 1) != 1)
{
SDL_RWclose(rw);
SDL_Log("SGL_DataSaveImage couldn't write to data file in path: %s, SDL_Error: %s", targetData.path, SDL_GetError());
return SGL_FALSE;
}
SDL_RWclose(rw);
}
MurmurHash3_x86_32(name, (I32)SDL_strlen(name), targetData.block.seed, &hash);
return AddNode(hash, loc);
}
int main(int argc, char** argv)
#endif
{
#ifdef _WIN32
LPSTR *argv = __argv;
int argc = __argc;
(void) argv;
(void) argc;
#endif
SDL_Window *screen;
SDL_Renderer *renderer;
SDL_Shader *shader;
if ( SDL_Init(SDL_INIT_VIDEO) < 0 ){
fprintf(stderr, "Error: %s \n", SDL_GetError());
return 1;
}
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 3 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 0 );
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 24 );
SDL_SetHint( SDL_HINT_RENDER_DRIVER, getenv("RENDER_DRIVER") );
int width = 500;
int height = 700;
screen = SDL_CreateWindow("Caption",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
width, height,
SDL_WINDOW_RESIZABLE);
// SDL_WINDOW_FULLSCREEN_DESKTOP );
if ( screen == NULL ) {
fprintf(stderr, "Error: %s \n", SDL_GetError());
return 2;
}
renderer = SDL_CreateRenderer( screen, -1, SDL_RENDERER_ACCELERATED|SDL_RENDERER_TARGETTEXTURE );
//renderer = SDL_CreateRenderer( screen, -1, SDL_RENDERER_SOFTWARE|SDL_RENDERER_TARGETTEXTURE );
if ( renderer == NULL ) {
fprintf(stderr, "Error: %s \n", SDL_GetError());
return 3;
}
SDL_RenderSetLogicalSize(renderer, width, height);
SDL_SetWindowTitle( screen, renderer->info.name );
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
SDL_RenderClear(renderer);
printf("renderer name: %s\n" , renderer->info.name );
printf("SDL_PIXELFORMAT_UNKNOWN= %d\n",SDL_PIXELFORMAT_UNKNOWN);
printf("SDL_PIXELFORMAT_INDEX1LSB= %d\n",SDL_PIXELFORMAT_INDEX1LSB);
printf("SDL_PIXELFORMAT_INDEX1MSB= %d\n",SDL_PIXELFORMAT_INDEX1MSB);
printf("SDL_PIXELFORMAT_INDEX4LSB= %d\n",SDL_PIXELFORMAT_INDEX4LSB);
printf("SDL_PIXELFORMAT_INDEX4MSB= %d\n",SDL_PIXELFORMAT_INDEX4MSB);
printf("SDL_PIXELFORMAT_INDEX8= %d\n",SDL_PIXELFORMAT_INDEX8);
printf("SDL_PIXELFORMAT_RGB332= %d\n",SDL_PIXELFORMAT_RGB332);
printf("SDL_PIXELFORMAT_RGB444= %d\n",SDL_PIXELFORMAT_RGB444);
printf("SDL_PIXELFORMAT_RGB555= %d\n",SDL_PIXELFORMAT_RGB555);
printf("SDL_PIXELFORMAT_BGR555= %d\n",SDL_PIXELFORMAT_BGR555);
printf("SDL_PIXELFORMAT_ARGB4444= %d\n",SDL_PIXELFORMAT_ARGB4444);
printf("SDL_PIXELFORMAT_RGBA4444= %d\n",SDL_PIXELFORMAT_RGBA4444);
printf("SDL_PIXELFORMAT_ABGR4444= %d\n",SDL_PIXELFORMAT_ABGR4444);
printf("SDL_PIXELFORMAT_BGRA4444= %d\n",SDL_PIXELFORMAT_BGRA4444);
printf("SDL_PIXELFORMAT_ARGB1555= %d\n",SDL_PIXELFORMAT_ARGB1555);
printf("SDL_PIXELFORMAT_RGBA5551= %d\n",SDL_PIXELFORMAT_RGBA5551);
printf("SDL_PIXELFORMAT_ABGR1555= %d\n",SDL_PIXELFORMAT_ABGR1555);
printf("SDL_PIXELFORMAT_BGRA5551= %d\n",SDL_PIXELFORMAT_BGRA5551);
printf("SDL_PIXELFORMAT_RGB565= %d\n",SDL_PIXELFORMAT_RGB565);
printf("SDL_PIXELFORMAT_BGR565= %d\n",SDL_PIXELFORMAT_BGR565);
printf("SDL_PIXELFORMAT_RGB24= %d\n",SDL_PIXELFORMAT_RGB24);
printf("SDL_PIXELFORMAT_BGR24= %d\n",SDL_PIXELFORMAT_BGR24);
printf("SDL_PIXELFORMAT_RGB888= %d\n",SDL_PIXELFORMAT_RGB888);
printf("SDL_PIXELFORMAT_RGBX8888= %d\n",SDL_PIXELFORMAT_RGBX8888);
printf("SDL_PIXELFORMAT_BGR888= %d\n",SDL_PIXELFORMAT_BGR888);
printf("SDL_PIXELFORMAT_BGRX8888= %d\n",SDL_PIXELFORMAT_BGRX8888);
printf("SDL_PIXELFORMAT_ARGB8888= %d\n",SDL_PIXELFORMAT_ARGB8888);
printf("SDL_PIXELFORMAT_RGBA8888= %d\n",SDL_PIXELFORMAT_RGBA8888);
printf("SDL_PIXELFORMAT_ABGR8888= %d\n",SDL_PIXELFORMAT_ABGR8888);
printf("SDL_PIXELFORMAT_BGRA8888= %d\n",SDL_PIXELFORMAT_BGRA8888);
printf("SDL_PIXELFORMAT_ARGB2101010=%d\n",SDL_PIXELFORMAT_ARGB2101010);
shader = SDL_createShader( renderer, "../shaders/do_nothing/do_nothing" );
if ( shader == NULL ){
fprintf(stderr, "Error: %s \n", SDL_GetError());
return 4;
}
SDL_Surface* srf;
srf = IMG_Load( "../img.png" );
if ( !srf ) {
fprintf(stderr, "Error: %s \n", SDL_GetError());
return 5;
}
int i;
Uint32 formats[] = {
/* Indexed formats and YUV are not supported */
SDL_PIXELFORMAT_RGB332,
SDL_PIXELFORMAT_RGB444,
SDL_PIXELFORMAT_RGB555,
SDL_PIXELFORMAT_BGR555,
SDL_PIXELFORMAT_ARGB4444,
SDL_PIXELFORMAT_RGBA4444,
SDL_PIXELFORMAT_ABGR4444,
SDL_PIXELFORMAT_BGRA4444,
SDL_PIXELFORMAT_ARGB1555,
SDL_PIXELFORMAT_RGBA5551,
SDL_PIXELFORMAT_ABGR1555,
SDL_PIXELFORMAT_BGRA5551,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_BGR565,
SDL_PIXELFORMAT_RGB24,
SDL_PIXELFORMAT_BGR24,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_RGBX8888,
SDL_PIXELFORMAT_BGR888,
SDL_PIXELFORMAT_BGRX8888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_BGRA8888,
SDL_PIXELFORMAT_ARGB2101010
};
char fmt_names[][NUM_OF_TEXTURES] = {
"RGB332",
"RGB444",
"RGB555",
"BGR555",
"ARGB4444",
"RGBA4444",
"ABGR4444",
"BGRA4444",
"ARGB1555",
"RGBA5551",
"ABGR1555",
"BGRA5551",
"RGB565",
"BGR565",
"RGB24",
"BGR24",
"RGB888",
"RGBX8888",
"BGR888",
"BGRX8888",
"ARGB8888",
"RGBA8888",
"ABGR8888",
"BGRA8888",
"ARGB2101010"
};
SDL_BlendMode blendModes[] = {
SDL_BLENDMODE_NONE,
SDL_BLENDMODE_BLEND,
SDL_BLENDMODE_ADD,
SDL_BLENDMODE_MOD
};
char* blendNames[] = {
"NONE",
"BLEND",
"ADD",
"MOD"
};
int current_blend = 0;
int colors[][4] = {
{255,255,255,255},
{255, 0, 0,255},
{ 0,255, 0,255},
{ 0, 0,255,255},
{255,255,255,127}
};
char* colorNames[] = {
"white",
"red",
"green",
"blue",
"semi transp."
};
int current_color = 0;
SDL_Texture* textures[ NUM_OF_TEXTURES ];
for ( i=0; i< (int)(NUM_OF_TEXTURES); i++) {
SDL_PixelFormat* fmt = SDL_AllocFormat( formats[i] );
SDL_assert(fmt != NULL);
SDL_Surface* srf2 = SDL_ConvertSurface(srf, fmt, 0);
SDL_assert(srf2 != NULL);
textures[i] = SDL_CreateTextureFromSurface(renderer, srf2 );
SDL_SetTextureBlendMode(textures[i], blendModes[current_blend]);
SDL_FreeSurface( srf2 );
SDL_FreeFormat(fmt);
if ( !textures[i] ){
return 1000 + i;
}
if ( textures[i]->native ){
printf("native_tex: %d \n",textures[i]->native->format );
}else{
printf("SDL_tex: %d \n",textures[i]->format );
}
}
SDL_FreeSurface(srf);
SDL_SetRenderTarget( renderer, NULL );
SDL_Event e;
SDL_SetRenderDrawColor(renderer, 0,0,0,1);
int ret = 0;
int quit = 0;
while ( !quit ) {
SDLTest_DrawString( renderer, 8, 8, blendNames[current_blend] );
SDLTest_DrawString( renderer, 108, 8, colorNames[current_color] );
for ( i=0; i< (int)(NUM_OF_TEXTURES); i++) {
int x=30+(i%8)*55;
int y=30+(i/8)*75;
SDL_Rect dst = {x,y,50,50};
ret = SDL_renderCopyShd( shader, textures[i], NULL, &dst );
if ( ret!=0 ){
fprintf(stderr,"Err: %s\n", SDL_GetError());
}
SDLTest_DrawString( renderer, dst.x,dst.y+55 + (i%2==0 ? 10 : 0), fmt_names[i] );
dst.y += (NUM_OF_TEXTURES)/8 * 75 + 85;
SDL_RenderCopy( renderer, textures[i], NULL, &dst );
SDLTest_DrawString( renderer, dst.x,dst.y+55 + (i%2==0 ? 10 : 0), fmt_names[i] );
}
while (SDL_PollEvent(&e)){
switch ( e.type ) {
case SDL_QUIT:
quit = 1;
break;
case SDL_KEYDOWN:
switch ( e.key.keysym.sym ) {
case SDLK_SPACE:
current_blend = (current_blend+1)%4;
for ( i=0; i< (int)(NUM_OF_TEXTURES); i++) {
SDL_SetTextureBlendMode(textures[i], blendModes[current_blend]);
}
break;
case SDLK_TAB:
current_color = (current_color+1)%5;
for ( i=0; i< (int)(NUM_OF_TEXTURES); i++) {
SDL_SetTextureColorMod(textures[i],
colors[current_color][0],
colors[current_color][1],
colors[current_color][2]);
SDL_SetTextureAlphaMod(textures[i], colors[current_color][3] );
}
break;
}
break;
case SDL_WINDOWEVENT:
SDL_updateViewport( shader );
}
}
SDL_RenderPresent(renderer);
SDL_SetRenderDrawColor(renderer, 160, 160, 160, 255);
SDL_RenderClear(renderer);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
}
for ( i=0; i<(int)NUM_OF_TEXTURES; i++ ) {
SDL_DestroyTexture( textures[i] );
textures[i] = NULL;
}
SDL_destroyShader( shader );
SDL_DestroyRenderer( renderer );
SDL_DestroyWindow( screen );
SDL_Quit();
return 0;
}
// create a font with a drop-shadow (used for "MNA" stage-name displays)
bool NXFont::InitCharsShadowed(TTF_Font *font, uint32_t color, uint32_t shadowcolor)
{
SDL_Color fgcolor, shcolor;
SDL_Surface *top, *bottom;
SDL_Rect dstrect;
fgcolor.r = (uint8_t)(color >> 16);
fgcolor.g = (uint8_t)(color >> 8);
fgcolor.b = (uint8_t)(color);
shcolor.r = (uint8_t)(shadowcolor >> 16);
shcolor.g = (uint8_t)(shadowcolor >> 8);
shcolor.b = (uint8_t)(shadowcolor);
char str[2];
str[1] = 0;
SDL_PixelFormat* pxformat = SDL_AllocFormat(screen->Format()->format);
if (!pxformat)
{
staterr("InitBitmapChars: SDL_AllocFormat failed: %s", SDL_GetError());
return 1;
}
uint32_t transp = SDL_ALPHA_TRANSPARENT;
for(int i=1;i<NUM_LETTERS_RENDERED;i++)
{
str[0] = i;
top = TTF_RenderText_Solid(font, str, fgcolor);
bottom = TTF_RenderText_Solid(font, str, shcolor);
if (!top || !bottom)
{
staterr("InitCharsShadowed: failed to render character %d: %s", i, TTF_GetError());
SDL_FreeFormat(pxformat);
SDL_FreeSurface(top);
SDL_FreeSurface(bottom);
return 1;
}
letters[i] = SDL_CreateRGBSurface(0, top->w, top->h+SHADOW_OFFSET,
pxformat->BitsPerPixel, pxformat->Rmask, pxformat->Gmask,
pxformat->Bmask, pxformat->Amask);
if (!letters[i])
{
staterr("InitCharsShadowed: failed to create surface for character %d: %s", i, SDL_GetError());
SDL_FreeFormat(pxformat);
SDL_FreeSurface(top);
SDL_FreeSurface(bottom);
return 1;
}
SDL_FillRect(letters[i], NULL, transp);
SDL_SetColorKey(letters[i], SDL_TRUE, transp);
dstrect.x = 0;
dstrect.y = SHADOW_OFFSET;
SDL_BlitSurface(bottom, NULL, letters[i], &dstrect);
dstrect.x = 0;
dstrect.y = 0;
SDL_BlitSurface(top, NULL, letters[i], &dstrect);
SDL_FreeSurface(top);
SDL_FreeSurface(bottom);
}
return 0;
}
~BitmapPrivate()
{
SDL_FreeFormat(format);
pixman_region_fini(&tainted);
}