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draw first frame immediately

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This commit is contained in:
Andrey Sidorov 2012-12-11 14:13:39 +11:00
parent d2f6b9c7fc
commit e712fdb0a5
1 changed files with 25 additions and 21 deletions
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46
examples/opengl/test1.js
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@ -18,7 +18,7 @@ x11.createClient(function(display) {
var visuals = display.screen[0].depths[24];
for (visual in visuals) {
if (visuals[visual].class == 4 || visuals[visual].class == 5)
break;
break;
}
var win = X.AllocID();
@ -27,6 +27,28 @@ x11.createClient(function(display) {
var ctx = X.AllocID();
GLX.CreateContext(ctx, visual, 0, 0, 0);
GLX.MakeCurrent(win, ctx, 0, function(err, ctx) {}); // do we need to wait for reply here?
function draw(ev) {
var gl = GLX.renderPipeline();
gl.Enable(0x0B71);
gl.Viewport(0, 0, 800, 800);
gl.MatrixMode(0x1701);
gl.LoadIdentity();
gl.Ortho(-30.0, 30.0, -30.0, 30.0, -300.0, 300.0);
//gl.Frustum(-30.0, 30.0, -30.0, 30.0, 30, 300.0);
gl.Rotatef(ev.y, 0, 0, 1);
gl.Rotatef(ev.x, 1, 0, 0);
gl.MatrixMode(0x1700);
gl.ClearColor(0.3,0.3,0.3,0.0);
gl.Clear(0x00004000|0x00000100);
gl.ShadeModel(0x1D01);
gl.LoadIdentity();
gl.CallList(listId);
gl.render(ctx);
GLX.SwapBuffers(ctx, win);
}
GLX.GenLists(ctx, 1, function(err, startListIndex) {
listId = startListIndex;
GLX.NewList(ctx, listId, 0x00001300);
@ -40,28 +62,10 @@ x11.createClient(function(display) {
gl.End();
gl.render(ctx);
GLX.EndList(ctx);
draw({x: 10, y: 10});
});
X.on('event', function(ev) {
var gl = GLX.renderPipeline();
gl.Enable(0x0B71);
gl.Viewport(0, 0, 800, 800);
gl.MatrixMode(0x1701);
gl.LoadIdentity();
gl.Ortho(-30.0, 30.0, -30.0, 30.0, -300.0, 300.0);
//gl.Frustum(-30.0, 30.0, -30.0, 30.0, 30, 300.0);
gl.Rotatef(ev.y, 0, 0, 1);
gl.Rotatef(ev.x, 1, 0, 0);
gl.MatrixMode(0x1700);
gl.ClearColor(0.3,0.3,0.3,0.0);
gl.Clear(0x00004000|0x00000100);
gl.ShadeModel(0x1D01);
gl.LoadIdentity();
gl.CallList(listId);
gl.render(ctx);
GLX.SwapBuffers(ctx, win);
});
X.on('event', draw);
});
X.on('error', function(err) { console.log(err); });
});