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Added fullscreen mode for emulator. Setting the environment variable TREZOR_OLED_FULLSCREEN to non-zero activate that mode. (#402)

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Yannick Heneault 2018-08-15 13:40:50 -04:00 committed by Pavol Rusnak
parent 0e3bbd61e0
commit 2214b99d64
1 changed files with 33 additions and 4 deletions
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37
emulator/oled.c
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@ -31,9 +31,19 @@ void emulatorPoll(void) {}
static SDL_Renderer *renderer = NULL;
static SDL_Texture *texture = NULL;
static SDL_Rect dstrect;
#define ENV_OLED_FULLSCREEN "TREZOR_OLED_FULLSCREEN"
#define ENV_OLED_SCALE "TREZOR_OLED_SCALE"
static int emulatorFullscreen(void) {
const char *variable = getenv(ENV_OLED_FULLSCREEN);
if (!variable) {
return 0;
}
return atoi(variable);
}
static int emulatorScale(void) {
const char *variable = getenv(ENV_OLED_SCALE);
if (!variable) {
@ -54,13 +64,14 @@ void oledInit(void) {
atexit(SDL_Quit);
int scale = emulatorScale();
int fullscreen = emulatorFullscreen();
SDL_Window *window = SDL_CreateWindow("TREZOR",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
OLED_WIDTH * scale,
OLED_HEIGHT * scale,
0);
fullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
if (window == NULL) {
fprintf(stderr, "Failed to create window: %s\n", SDL_GetError());
@ -72,9 +83,27 @@ void oledInit(void) {
fprintf(stderr, "Failed to create renderer: %s\n", SDL_GetError());
exit(1);
}
if (fullscreen) {
SDL_DisplayMode current_mode;
if (SDL_GetCurrentDisplayMode(0, &current_mode) != 0)
{
fprintf(stderr, "Failed to get current display mode: %s\n", SDL_GetError());
exit(1);
}
/* Use unscaled coordinate system */
SDL_RenderSetLogicalSize(renderer, OLED_WIDTH, OLED_HEIGHT);
dstrect.x = (current_mode.w - OLED_WIDTH * scale) / 2;
dstrect.y = (current_mode.h - OLED_HEIGHT * scale) / 2;
SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(renderer);
SDL_ShowCursor(SDL_DISABLE);
} else {
dstrect.x = 0;
dstrect.y = 0;
}
dstrect.w = OLED_WIDTH * scale;
dstrect.h = OLED_HEIGHT * scale;
texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, OLED_WIDTH, OLED_HEIGHT);
@ -101,7 +130,7 @@ void oledRefresh(void) {
}
SDL_UpdateTexture(texture, NULL, data, OLED_WIDTH * sizeof(uint32_t));
SDL_RenderCopy(renderer, texture, NULL, NULL);
SDL_RenderCopy(renderer, texture, NULL, &dstrect);
SDL_RenderPresent(renderer);
/* Return it back */