diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/library_sdl.js | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/library_sdl.js b/src/library_sdl.js index 2a8134df..525a04d2 100644 --- a/src/library_sdl.js +++ b/src/library_sdl.js @@ -1,3 +1,6 @@ +// To use emscripten's SDL library here, you need to define +// Module.canvas and Module.context. + mergeInto(Library, { SDL_INFO: { width: 320, @@ -31,16 +34,13 @@ mergeInto(Library, { // TODO }, - SDL_SetVideoMode: function(width, height, depth, flags, canvas) { - // ^^^^^^ a 'canvas' parameter is added here; supply a canvas from JS there - // or, define __CANVAS__. - canvas = canvas || Module.__CANVAS__; + SDL_SetVideoMode: function(width, height, depth, flags) { var surf = _malloc(14*QUANTUM_SIZE); // SDL_Surface has 14 fields of quantum size _SDL_SURFACES[surf] = { width: width, height: height, - canvas: canvas, - ctx: canvas.getContext('2d'), + canvas: Module.canvas, + context: Module.context, surf: surf, buffer: _malloc(width*height*4) }; @@ -53,7 +53,7 @@ mergeInto(Library, { SDL_LockSurface: function(surf) { var surfData = _SDL_SURFACES[surf]; - surfData.image = surfData.ctx.getImageData(0, 0, surfData.width, surfData.height); + surfData.image = surfData.context.getImageData(0, 0, surfData.width, surfData.height); // Copy pixel data to somewhere accessible to 'C/C++' var num = surfData.image.data.length; for (var i = 0; i < num; i++) { @@ -79,7 +79,7 @@ mergeInto(Library, { surfData.image.data[i*4+3] = 255; // opacity, as canvases blend alpha } // Copy to canvas - surfData.ctx.putImageData(surfData.image, 0, 0); + surfData.context.putImageData(surfData.image, 0, 0); // Cleanup surfData.image = null; }, |