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-rw-r--r--src/webGLClient.js247
1 files changed, 138 insertions, 109 deletions
diff --git a/src/webGLClient.js b/src/webGLClient.js
index b3aa57b5..2d077969 100644
--- a/src/webGLClient.js
+++ b/src/webGLClient.js
@@ -7,84 +7,141 @@ function assert(x) {
function WebGLClient() {
var objects = {};
+ var ctx = null;
+ var buffer = null;
+ var i = 0;
+
+ function func0(name) {
+ ctx[name]();
+ }
+ function func1(name) {
+ ctx[name](buffer[i]);
+ i++;
+ }
+ function func2(name) {
+ ctx[name](buffer[i], buffer[i+1]);
+ i += 2;
+ }
+ function func3(name) {
+ ctx[name](buffer[i], buffer[i+1], buffer[i+2]);
+ i += 3;
+ }
+ function func4(name) {
+ ctx[name](buffer[i], buffer[i+1], buffer[i+2], buffer[i+3]);
+ i += 4;
+ }
+ function func5(name) {
+ ctx[name](buffer[i], buffer[i+1], buffer[i+2], buffer[i+3], buffer[i+4]);
+ i += 5;
+ }
+ function func6(name) {
+ ctx[name](buffer[i], buffer[i+1], buffer[i+2], buffer[i+3], buffer[i+4], buffer[i+5]);
+ i += 6;
+ }
+ function func7(name) {
+ ctx[name](buffer[i], buffer[i+1], buffer[i+2], buffer[i+3], buffer[i+4], buffer[i+5], buffer[i+6]);
+ i += 7;
+ }
+ function func9(name) {
+ ctx[name](buffer[i], buffer[i+1], buffer[i+2], buffer[i+3], buffer[i+4], buffer[i+5], buffer[i+6], buffer[i+7], buffer[i+8]);
+ i += 9;
+ }
+
+ // constructors, last argument is the id to save as
+ function funcC0(name) {
+ var object = ctx[name]();
+ var id = buffer[i++];
+ objects[id] = object;
+ }
+ function funcC1(name) {
+ var object = ctx[name](buffer[i++]);
+ var id = buffer[i++];
+ objects[id] = object;
+ }
+ function funcC2(name) {
+ var object = ctx[name](buffer[i++], buffer[i++]);
+ var id = buffer[i++];
+ objects[id] = object;
+ }
+
var calls = {
- 0: { name: 'NULL', args: 0 },
- 1: { name: 'getExtension', args: 1 },
- 2: { name: 'enable', args: 1 },
- 3: { name: 'disable', args: 1 },
- 4: { name: 'clear', args: 1 },
- 5: { name: 'clearColor', args: 4 },
- 6: { name: 'createShader', args: -2 },
- 7: { name: 'deleteShader', args: 1 },
- 8: { name: 'shaderSource', args: 2 },
- 9: { name: 'compileShader', args: 1 },
- 10: { name: 'createProgram', args: -1 },
- 11: { name: 'deleteProgram', args: 1 },
- 12: { name: 'attachShader', args: 2 },
- 13: { name: 'bindAttribLocation', args: 3 },
- 14: { name: 'linkProgram', args: 1 },
- 15: { name: 'getProgramParameter', args: 2 },
- 16: { name: 'getUniformLocation', args: -3 },
- 17: { name: 'useProgram', args: 1 },
- 18: { name: 'uniform1i', args: 2 },
- 19: { name: 'uniform1f', args: 2 },
- 20: { name: 'uniform3fv', args: 2 },
- 21: { name: 'uniform4fv', args: 2 },
- 22: { name: 'uniformMatrix4fv', args: 3 },
- 23: { name: 'vertexAttrib4fv', args: 2 },
- 24: { name: 'createBuffer', args: -1 },
- 25: { name: 'deleteBuffer', args: 1 },
- 26: { name: 'bindBuffer', args: 2 },
- 27: { name: 'bufferData', args: 3 },
- 28: { name: 'bufferSubData', args: 3 },
- 29: { name: 'viewport', args: 4 },
- 30: { name: 'vertexAttribPointer', args: 6 },
- 31: { name: 'enableVertexAttribArray', args: 1 },
- 32: { name: 'disableVertexAttribArray', args: 1 },
- 33: { name: 'drawArrays', args: 3 },
- 34: { name: 'drawElements', args: 4 },
- 35: { name: 'getError', args: 0 },
- 36: { name: 'createTexture', args: -1 },
- 37: { name: 'deleteTexture', args: 1 },
- 38: { name: 'bindTexture', args: 2 },
- 39: { name: 'texParameteri', args: 3 },
- 40: { name: 'texImage2D', args: 9 },
- 41: { name: 'compressedTexImage2D', args: 7 },
- 42: { name: 'activeTexture', args: 1 },
- 43: { name: 'getShaderParameter', args: 2 },
- 44: { name: 'clearDepth', args: 1 },
- 45: { name: 'depthFunc', args: 1 },
- 46: { name: 'frontFace', args: 1 },
- 47: { name: 'cullFace', args: 1 },
- 48: { name: 'pixelStorei', args: 2 },
- 49: { name: 'depthMask', args: 1 },
- 50: { name: 'depthRange', args: 2 },
- 51: { name: 'blendFunc', args: 2 },
- 52: { name: 'scissor', args: 4 },
- 53: { name: 'colorMask', args: 4 },
- 54: { name: 'lineWidth', args: 1 },
- 55: { name: 'createFramebuffer', args: -1 },
- 56: { name: 'deleteFramebuffer', args: 1 },
- 57: { name: 'bindFramebuffer', args: 2 },
- 58: { name: 'framebufferTexture2D', args: 5 },
- 59: { name: 'createRenderbuffer', args: -1 },
- 60: { name: 'deleteRenderbuffer', args: 1 },
- 61: { name: 'bindRenderbuffer', args: 2 },
- 62: { name: 'renderbufferStorage', args: 4 },
- 63: { name: 'framebufferRenderbuffer', args: 4 },
- 64: { name: 'debugPrint', args: 1 },
+ 0: { name: 'NULL', func: func0 },
+ 1: { name: 'getExtension', func: func1 },
+ 2: { name: 'enable', func: func1 },
+ 3: { name: 'disable', func: func1 },
+ 4: { name: 'clear', func: func1 },
+ 5: { name: 'clearColor', func: func4 },
+ 6: { name: 'createShader', func: funcC1 },
+ 7: { name: 'deleteShader', func: func1 },
+ 8: { name: 'shaderSource', func: func2 },
+ 9: { name: 'compileShader', func: func1 },
+ 10: { name: 'createProgram', func: funcC0 },
+ 11: { name: 'deleteProgram', func: func1 },
+ 12: { name: 'attachShader', func: func2 },
+ 13: { name: 'bindAttribLocation', func: func3 },
+ 14: { name: 'linkProgram', func: func1 },
+ 15: { name: 'getProgramParameter', func: function() { assert(ctx.getProgramParameter(buffer[i++], buffer[i++]), 'we cannot handle errors, we are async proxied WebGL'); } },
+ 16: { name: 'getUniformLocation', func: funcC2 },
+ 17: { name: 'useProgram', func: func1 },
+ 18: { name: 'uniform1i', func: func2 },
+ 19: { name: 'uniform1f', func: func2 },
+ 20: { name: 'uniform3fv', func: func2 },
+ 21: { name: 'uniform4fv', func: func2 },
+ 22: { name: 'uniformMatrix4fv', func: func3 },
+ 23: { name: 'vertexAttrib4fv', func: func2 },
+ 24: { name: 'createBuffer', func: funcC0 },
+ 25: { name: 'deleteBuffer', func: func1 },
+ 26: { name: 'bindBuffer', func: func2 },
+ 27: { name: 'bufferData', func: func3 },
+ 28: { name: 'bufferSubData', func: func3 },
+ 29: { name: 'viewport', func: func4 },
+ 30: { name: 'vertexAttribPointer', func: func6 },
+ 31: { name: 'enableVertexAttribArray', func: func1 },
+ 32: { name: 'disableVertexAttribArray', func: func1 },
+ 33: { name: 'drawArrays', func: func3 },
+ 34: { name: 'drawElements', func: func4 },
+ 35: { name: 'getError', func: function() { assert(ctx.getError() === ctx.NO_ERROR, 'we cannot handle errors, we are async proxied WebGL') } },
+ 36: { name: 'createTexture', func: funcC0 },
+ 37: { name: 'deleteTexture', func: func1 },
+ 38: { name: 'bindTexture', func: func2 },
+ 39: { name: 'texParameteri', func: func3 },
+ 40: { name: 'texImage2D', func: func9 },
+ 41: { name: 'compressedTexImage2D', func: func7 },
+ 42: { name: 'activeTexture', func: func1 },
+ 43: { name: 'getShaderParameter', func: function() { assert(ctx.getShaderParameter(buffer[i++], buffer[i++]), 'we cannot handle errors, we are async proxied WebGL'); } },
+ 44: { name: 'clearDepth', func: func1 },
+ 45: { name: 'depthFunc', func: func1 },
+ 46: { name: 'frontFace', func: func1 },
+ 47: { name: 'cullFace', func: func1 },
+ 48: { name: 'pixelStorei', func: func2 },
+ 49: { name: 'depthMask', func: func1 },
+ 50: { name: 'depthRange', func: func2 },
+ 51: { name: 'blendFunc', func: func2 },
+ 52: { name: 'scissor', func: func4 },
+ 53: { name: 'colorMask', func: func4 },
+ 54: { name: 'lineWidth', func: func1 },
+ 55: { name: 'createFramebuffer', func: funcC0 },
+ 56: { name: 'deleteFramebuffer', func: func1 },
+ 57: { name: 'bindFramebuffer', func: func2 },
+ 58: { name: 'framebufferTexture2D', func: func5 },
+ 59: { name: 'createRenderbuffer', func: funcC0 },
+ 60: { name: 'deleteRenderbuffer', func: func1 },
+ 61: { name: 'bindRenderbuffer', func: func2 },
+ 62: { name: 'renderbufferStorage', func: func4 },
+ 63: { name: 'framebufferRenderbuffer', func: func4 },
+ 64: { name: 'debugPrint', func: func1 },
};
- function fixArgs(command, args) {
- switch (command) {
+ function fixArgs(name, args) {
+ switch (name) {
case 'deleteFramebuffer':
case 'deleteRenderbuffer':
case 'deleteBuffer':
case 'deleteShader':
case 'deleteProgram':
case 'deleteTexture': {
- var id = args[0];
- args[0] = objects[id];
+ var id = buffer[i];
+ buffer[i] = objects[id];
objects[id] = null; // stop holding on to the object globally
break;
}
@@ -100,57 +157,29 @@ function WebGLClient() {
case 'linkProgram':
case 'bindAttribLocation':
case 'compileShader':
- case 'shaderSource': args[0] = objects[args[0]]; break;
- case 'attachShader': args[0] = objects[args[0]]; args[1] = objects[args[1]]; break;
+ case 'shaderSource': buffer[i] = objects[buffer[i]]; break;
+ case 'attachShader': buffer[i] = objects[buffer[i]]; buffer[i+1] = objects[buffer[i+1]]; break;
case 'bindRenderbuffer':
case 'bindFramebuffer':
case 'bindTexture':
- case 'bindBuffer': args[1] = args[1] ? objects[args[1]] : null; break;
+ case 'bindBuffer': buffer[i+1] = buffer[i+1] ? objects[buffer[i+1]] : null; break;
case 'framebufferRenderbuffer':
- case 'framebufferTexture2D': args[3] = args[3] ? objects[args[3]] : null; break;
+ case 'framebufferTexture2D': buffer[i+3] = buffer[i+3] ? objects[buffer[i+3]] : null; break;
}
- return args;
}
- function renderCommands(buffer) {
- var ctx = Module.ctx;
- var i = 0;
+ function renderCommands(buf) {
+ ctx = Module.ctx;
+ i = 0;
+ buffer = buf;
var len = buffer.length;
//dump('issuing commands, buffer len: ' + len + '\n');
while (i < len) {
var info = calls[buffer[i++]];
- var command = info.name;
- assert(typeof command === 'string')
- var numArgs = info.args;
- assert(typeof numArgs === 'number', command);
- //dump('issue ' + [command, numArgs, 'peek:' + buffer.slice(i, i+5)] + '\n');
- if (numArgs === 0) {
- //dump('issue: ' + command + '\n');
- if (command === 'getError') {
- assert(ctx.getError() === ctx.NO_ERROR, 'we cannot handle errors, we are async proxied WebGL');
- } else {
- ctx[command]();
- }
- } else if (numArgs > 0) {
- var args = fixArgs(command, buffer.slice(i, i+numArgs));
- i += numArgs;
- //dump('issue+: ' + command + '(' + args + '), ' + numArgs + '\n');
- if (command === 'getShaderParameter' || command === 'getProgramParameter') {
- assert(ctx[command](args[0], args[1]), 'we cannot handle errors, we are async proxied WebGL');
- //} else if (command === 'debugPrint') {
- // dump(args[0] + '\n');
- } else {
- ctx[command].apply(ctx, args);
- }
- } else {
- // negative means a constructor, last argument is the id to save as
- numArgs = -numArgs - 1;
- var args = fixArgs(command, buffer.slice(i, i+numArgs));
- i += numArgs;
- var id = buffer[i++];
- //dump('issue-: ' + command + '(' + args + '), ' + numArgs + '\n');
- objects[id] = ctx[command].apply(ctx, args);
- }
+ var name = info.name;
+ assert(typeof name === 'string');
+ fixArgs(name);
+ info.func(name);
//var err;
//while ((err = ctx.getError()) !== ctx.NO_ERROR) {
// dump('warning: GL error ' + err + ', after ' + [command, numArgs] + '\n');
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-24 13:11:59 +0000