6663b6c9
 adorian
projet complet av...
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#include "display.h"
#include <kandinsky.h>
extern "C" {
#include <SDL/SDL.h>
#include <assert.h>
#include <stdlib.h>
#include <emscripten.h>
}
SDL_Surface * screen = nullptr;
static KDColor sPixels[Ion::Display::Width*Ion::Display::Height];
static KDFrameBuffer sFrameBuffer = KDFrameBuffer(sPixels, KDSize(Ion::Display::Width, Ion::Display::Height));
namespace Ion {
namespace Display {
void pushRect(KDRect r, const KDColor * pixels) {
sFrameBuffer.pushRect(r, pixels);
}
void pushRectUniform(KDRect r, KDColor c) {
sFrameBuffer.pushRectUniform(r, c);
}
void pullRect(KDRect r, KDColor * pixels) {
sFrameBuffer.pullRect(r, pixels);
}
void waitForVBlank() {
}
}
}
namespace Ion {
namespace Display {
namespace Emscripten {
void init() {
SDL_Init(SDL_INIT_VIDEO);
screen = SDL_SetVideoMode(Ion::Display::Width, Ion::Display::Height, 32, SDL_SWSURFACE);
EM_ASM("SDL.defaults.copyOnLock = false; SDL.defaults.discardOnLock = true; SDL.defaults.opaqueFrontBuffer = false;");
}
void refresh() {
// Simply push the whole buffer to the surface
if (SDL_MUSTLOCK(screen)) {
SDL_LockSurface(screen);
}
int pixelNumber = 0;
for (int j=0; j<Ion::Display::Height; j++) {
for (int i=0; i<Ion::Display::Width; i++) {
KDColor c = sPixels[pixelNumber++];
*((Uint32*)screen->pixels + j * Ion::Display::Width + i) = SDL_MapRGB(screen->format, c.red(), c.green(), c.blue());
}
}
if (SDL_MUSTLOCK(screen)) {
SDL_UnlockSurface(screen);
}
SDL_UpdateRect(screen, 0, 0, Ion::Display::Width, Ion::Display::Height);
// notify screen rendring
EM_ASM(if (typeof Module.onDisplayRefresh === "function") { Module.onDisplayRefresh(); });
}
}
}
}
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