diff options
Diffstat (limited to 'WebCore/manual-tests/webgl')
| -rw-r--r-- | WebCore/manual-tests/webgl/Earth.html | 166 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/ManyPlanetsDeep.html | 202 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/SpinningBox.html | 149 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/TeapotPerPixel.html | 332 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/TeapotPerVertex.html | 305 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/resources/CanvasMatrix.js | 698 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/resources/earthmap1k.jpg | bin | 344080 -> 0 bytes | |||
| -rw-r--r-- | WebCore/manual-tests/webgl/resources/mars500x250.png | bin | 174308 -> 0 bytes | |||
| -rw-r--r-- | WebCore/manual-tests/webgl/resources/teapot.obj | 2866 | ||||
| -rw-r--r-- | WebCore/manual-tests/webgl/resources/utils3d.js | 530 |
10 files changed, 0 insertions, 5248 deletions
diff --git a/WebCore/manual-tests/webgl/Earth.html b/WebCore/manual-tests/webgl/Earth.html deleted file mode 100644 index fa59a20..0000000 --- a/WebCore/manual-tests/webgl/Earth.html +++ /dev/null @@ -1,166 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <title>Canvas3d example</title> - <script src="resources/CanvasMatrix.js"> </script> - <script src="resources/utils3d.js"> </script> - - <script id="vshader" type="x-shader/x-vertex"> - uniform mat4 u_modelViewMatrix; - uniform mat4 u_modelViewProjMatrix; - uniform mat4 u_normalMatrix; - uniform vec3 lightDir; - - attribute vec3 vNormal; - attribute vec4 vTexCoord; - attribute vec4 vPosition; - - varying float v_Dot; - varying vec2 v_texCoord; - - void main() - { - gl_Position = u_modelViewProjMatrix * vPosition; - v_texCoord = vTexCoord.st; - vec4 transNormal = u_normalMatrix * vec4(vNormal,1); - v_Dot = max(dot(transNormal.xyz, lightDir), 0.0); - } - </script> - - <script id="fshader" type="x-shader/x-fragment"> - uniform sampler2D sampler2d; - - varying float v_Dot; - varying vec2 v_texCoord; - - void main() - { - vec4 color = texture2D(sampler2d,v_texCoord); - color += vec4(0.1,0.1,0.1,1); - gl_FragColor = vec4(color.xyz * v_Dot, color.a); - } - </script> - - <script> - function init() - { - var gl = initWebGL("example", "vshader", "fshader", - [ "vNormal", "vTexCoord", "vPosition"], - [ 0, 0, 0, 1 ], 10000); - - gl.uniform3f(gl.getUniformLocation(gl.program, "lightDir"), 0, 0, 1); - gl.uniform1i(gl.getUniformLocation(gl.program, "sampler2d"), 0); - - gl.enable(gl.TEXTURE_2D); - - gl.sphere = makeSphere(gl, 1, 30, 30); - - // get the images - earthTexture = loadImageTexture(gl, "resources/earthmap1k.jpg"); - marsTexture = loadImageTexture(gl, "resources/mars500x250.png"); - - return gl; - } - - width = -1; - height = -1; - - function reshape(ctx) - { - var canvas = document.getElementById('example'); - if (canvas.clientWidth == width && canvas.clientHeight == height) - return; - - width = canvas.clientWidth; - height = canvas.clientHeight; - - ctx.viewport(0, 0, width, height); - - ctx.perspectiveMatrix = new CanvasMatrix4(); - ctx.perspectiveMatrix.lookat(0,0,6, 0, 0, 0, 0, 1, 0); - ctx.perspectiveMatrix.perspective(30, width/height, 1, 10000); - } - - function drawOne(ctx, angle, x, y, z, scale, texture) - { - // setup VBOs - ctx.enableVertexAttribArray(0); - ctx.enableVertexAttribArray(1); - ctx.enableVertexAttribArray(2); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, ctx.sphere.vertexObject); - ctx.vertexAttribPointer(2, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, ctx.sphere.normalObject); - ctx.vertexAttribPointer(0, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, ctx.sphere.texCoordObject); - ctx.vertexAttribPointer(1, 2, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, ctx.sphere.indexObject); - - // generate the model-view matrix - var mvMatrix = new CanvasMatrix4(); - mvMatrix.scale(scale, scale, scale); - mvMatrix.rotate(angle, 0,1,0); - mvMatrix.rotate(30, 1,0,0); - mvMatrix.translate(x,y,z); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - // construct the normal matrix from the model-view matrix - var normalMatrix = new CanvasMatrix4(mvMatrix); - normalMatrix.invert(); - normalMatrix.transpose(); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_normalMatrix"), false, normalMatrix.getAsCanvasFloatArray()); - - // construct the model-view * projection matrix - var mvpMatrix = new CanvasMatrix4(mvMatrix); - mvpMatrix.multRight(ctx.perspectiveMatrix); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewProjMatrix"), false, mvpMatrix.getAsCanvasFloatArray()); - - ctx.bindTexture(ctx.TEXTURE_2D, texture); - ctx.drawElements(ctx.TRIANGLES, ctx.sphere.numIndices, ctx.UNSIGNED_SHORT, 0); - } - - function drawPicture(ctx) - { - reshape(ctx); - ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT); - - drawOne(ctx, currentAngle, -1, 0, 0, 1, earthTexture); - drawOne(ctx, -currentAngle, 1, 0, 0, 0.6, marsTexture); - ctx.flush(); - - framerate.snapshot(); - - currentAngle += incAngle; - if (currentAngle > 360) - currentAngle -= 360; - } - - function start() - { - var ctx = init(); - currentAngle = 0; - incAngle = 0.2; - var f = function() { drawPicture(ctx) }; - setInterval(f, 10); - framerate = new Framerate("framerate"); - } - </script> - <style type="text/css"> - canvas { - border: 2px solid black; - width:90%; - height:90%; - } - </style> - </head> - <body onload="start()"> - <canvas id="example"> - There is supposed to be an example drawing here, but it's not important. - </canvas> - <div id="framerate"></div> - <div id="console"></div> - </body> -</html> diff --git a/WebCore/manual-tests/webgl/ManyPlanetsDeep.html b/WebCore/manual-tests/webgl/ManyPlanetsDeep.html deleted file mode 100644 index e5bb773..0000000 --- a/WebCore/manual-tests/webgl/ManyPlanetsDeep.html +++ /dev/null @@ -1,202 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <title>Canvas3d example</title> - <script src="resources/CanvasMatrix.js"> </script> - <script src="resources/utils3d.js"> </script> - - <script id="vshader" type="x-shader/x-vertex"> - uniform mat4 u_modelViewMatrix; - uniform mat4 u_modelViewProjMatrix; - uniform mat4 u_normalMatrix; - uniform vec3 lightDir; - - attribute vec3 vNormal; - attribute vec4 vTexCoord; - attribute vec4 vPosition; - - varying float v_Dot; - varying vec2 v_texCoord; - - void main() - { - gl_Position = u_modelViewProjMatrix * vPosition; - v_texCoord = vTexCoord.st; - vec4 transNormal = u_normalMatrix * vec4(vNormal,1); - v_Dot = max(dot(transNormal.xyz, lightDir), 0.0); - } - </script> - - <script id="fshader" type="x-shader/x-fragment"> - uniform sampler2D sampler2d; - - varying float v_Dot; - varying vec2 v_texCoord; - - void main() - { - vec4 color = texture2D(sampler2d,v_texCoord); - color += vec4(0.1,0.1,0.1,1); - gl_FragColor = vec4(color.xyz * v_Dot, color.a); - } - </script> - - <script> - const numRowCols = 4; - const numLayers = 3; - const layoutWidth = 10; - const layoutHeight = 8; - const globeSize = 25; - const minIncAngle = 0.2; - const maxIncAngle = 2; - - function init() - { - var gl = initWebGL("example", "vshader", "fshader", - [ "vNormal", "vTexCoord", "vPosition"], - [ 0, 0, 0, 1 ], 10000); - - gl.uniform3f(gl.getUniformLocation(gl.program, "lightDir"), 0, 0, 1); - gl.uniform1i(gl.getUniformLocation(gl.program, "sampler2d"), 0); - - gl.enable(gl.TEXTURE_2D); - - gl.sphere = makeSphere(gl, 1, 30, 30); - - // get the images - earthTexture = loadImageTexture(gl, "resources/earthmap1k.jpg"); - marsTexture = loadImageTexture(gl, "resources/mars500x250.png"); - - return gl; - } - - width = -1; - height = -1; - - function reshape(ctx) - { - var canvas = document.getElementById('example'); - if (canvas.clientWidth == width && canvas.clientHeight == height) - return; - - width = canvas.clientWidth; - height = canvas.clientHeight; - - ctx.viewport(0, 0, width, height); - - ctx.perspectiveMatrix = new CanvasMatrix4(); - ctx.perspectiveMatrix.lookat(0,0,20, 0, 0, 0, 0, 1, 0); - ctx.perspectiveMatrix.perspective(30, width/height, 1, 10000); - } - - function drawOne(ctx, angle, x, y, z, scale, texture) - { - // setup VBOs - ctx.enableVertexAttribArray(0); - ctx.enableVertexAttribArray(1); - ctx.enableVertexAttribArray(2); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, ctx.sphere.vertexObject); - ctx.vertexAttribPointer(2, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, ctx.sphere.normalObject); - ctx.vertexAttribPointer(0, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, ctx.sphere.texCoordObject); - ctx.vertexAttribPointer(1, 2, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, ctx.sphere.indexObject); - - // generate the model-view matrix - var mvMatrix = new CanvasMatrix4(); - mvMatrix.scale(scale, scale, scale); - mvMatrix.rotate(angle, 0,1,0); - mvMatrix.rotate(30, 1,0,0); - mvMatrix.translate(x,y,z); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - // construct the normal matrix from the model-view matrix - var normalMatrix = new CanvasMatrix4(mvMatrix); - normalMatrix.invert(); - normalMatrix.transpose(); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_normalMatrix"), false, normalMatrix.getAsCanvasFloatArray()); - - // construct the model-view * projection matrix - var mvpMatrix = new CanvasMatrix4(mvMatrix); - mvpMatrix.multRight(ctx.perspectiveMatrix); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewProjMatrix"), false, mvpMatrix.getAsCanvasFloatArray()); - - ctx.bindTexture(ctx.TEXTURE_2D, texture); - ctx.drawElements(ctx.TRIANGLES, ctx.sphere.numIndices, ctx.UNSIGNED_SHORT, 0); - } - - function drawPicture(ctx) - { - reshape(ctx); - ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT); - - var startX = -layoutWidth/2; - var startY = -layoutHeight/2; - var startZ = 0; - var incX = layoutWidth / (numRowCols-1); - var incY = layoutHeight / (numRowCols-1); - var incZ = -5; - - for (i = 0; i < numLayers; ++i) { - for (j = 0; j < numRowCols; ++j) { - for (k = 0; k < numRowCols; ++k) { - var index = i * numLayers * numRowCols + j * numRowCols + k; - - drawOne(ctx, currentAngles[index], - startX + incX * k, - startY + incY * j, - startZ + incZ * i, - showEarth[index] ? 1 : 0.6, showEarth[index] ? earthTexture : marsTexture); - - currentAngles[index] += incAngles[i]; - if (currentAngles[index] > 360) - currentAngles[index] -= 360; - } - } - } - - ctx.bindTexture(ctx.TEXTURE_2D, 0); - ctx.flush(); - - framerate.snapshot(); - } - - function start() - { - var ctx = init(); - currentAngles = [ ]; - incAngles = [ ]; - showEarth = [ ]; - - for (var i = 0; i < numRowCols * numRowCols * numLayers; ++i) { - currentAngles[i] = 0; - incAngles[i] = Math.random() * (maxIncAngle - minIncAngle) + minIncAngle; - showEarth[i] = Math.random() > 0.5; - } - - framerate = new Framerate("framerate"); - - var f = function() { drawPicture(ctx) }; - setInterval(f, 10); - } - </script> - <style type="text/css"> - canvas { - border: 2px solid black; - width:90%; - height:90%; - } - </style> - </head> - <body onload="start()"> - <canvas id="example"> - There is supposed to be an example drawing here, but it's not important. - </canvas> - <div id="framerate"></div> - </body> -</html> diff --git a/WebCore/manual-tests/webgl/SpinningBox.html b/WebCore/manual-tests/webgl/SpinningBox.html deleted file mode 100644 index e68711c..0000000 --- a/WebCore/manual-tests/webgl/SpinningBox.html +++ /dev/null @@ -1,149 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <title>Canvas3d example</title> - <script src="resources/CanvasMatrix.js"> </script> - <script src="resources/utils3d.js"> </script> - <script id="vshader" type="x-shader/x-vertex"> - uniform mat4 pMatrix; - uniform mat4 mvMatrix; - uniform vec3 lightDir; - - attribute vec3 vNormal; - attribute vec4 vColor; - attribute vec4 vPosition; - - varying float v_Dot; - - void main() - { - gl_FrontColor = vColor; - vec4 transNormal = mvMatrix * vec4(vNormal,1); - v_Dot = max(dot(transNormal.xyz, lightDir), 0.0); - gl_Position = pMatrix * mvMatrix * vPosition; - } - </script> - - <script id="fshader" type="x-shader/x-fragment"> - varying float v_Dot; - - void main() - { - gl_FragColor = vec4(gl_Color.xyz * v_Dot, gl_Color.a); - } - </script> - - <script> - function init() - { - var gl = initWebGL("example", "vshader", "fshader", - [ "vNormal", "vColor", "vPosition"], - [ 0, 0, 0, 1 ], 10000); - - gl.uniform3f(gl.getUniformLocation(gl.program, "lightDir"), 0, 0, 1); - - gl.box = makeBox(gl); - - // color array - var colors = new WebGLUnsignedByteArray( - [ 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, // v0-v1-v2-v3 front - 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, // v0-v3-v4-v5 right - 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, // v0-v5-v6-v1 top - 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, // v1-v6-v7-v2 left - 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, // v7-v4-v3-v2 bottom - 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1 ] // v4-v7-v6-v5 back - ); - - gl.box.colorObject = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, gl.box.colorObject); - gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); - - return gl; - } - - width = -1; - height = -1; - - function reshape(gl) - { - var canvas = document.getElementById('example'); - if (canvas.clientWidth == width && canvas.clientHeight == height) - return; - - width = canvas.clientWidth; - height = canvas.clientHeight; - - gl.viewport(0, 0, width, height); - var pMatrix = new CanvasMatrix4(); - pMatrix.lookat(0,0,10, 0, 0, 0, 0, 1, 0); - pMatrix.perspective(30, width/height, 1, 10000); - gl.uniformMatrix4fv(gl.getUniformLocation(gl.program, "pMatrix"), false, pMatrix.getAsCanvasFloatArray()); - } - - function drawPicture(gl) - { - reshape(gl); - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); - - var mvMatrix = new CanvasMatrix4(); - mvMatrix.rotate(currentAngle, 0,1,0); - mvMatrix.rotate(20, 1,0,0); - gl.uniformMatrix4fv(gl.getUniformLocation(gl.program, "mvMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - gl.enableVertexAttribArray(0); - gl.enableVertexAttribArray(1); - gl.enableVertexAttribArray(2); - - gl.bindBuffer(gl.ARRAY_BUFFER, gl.box.vertexObject); - gl.vertexAttribPointer(2, 3, gl.FLOAT, false, 0, 0); - - gl.bindBuffer(gl.ARRAY_BUFFER, gl.box.normalObject); - gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); - - gl.bindBuffer(gl.ARRAY_BUFFER, gl.box.colorObject); - gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, false, 0, 0); - - gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.box.indexObject); - gl.drawElements(gl.TRIANGLES, gl.box.numIndices, gl.UNSIGNED_BYTE, 0); - - gl.flush(); - - framerate.snapshot(); - - currentAngle += incAngle; - if (currentAngle > 360) - currentAngle -= 360; - } - - function start() - { - var gl = init(); - currentAngle = 0; - incAngle = 0.5; - framerate = new Framerate("framerate"); - setInterval(function() { drawPicture(gl) }, 10); - } - </script> - <style type="text/css"> - canvas { - border: 2px solid black; - width:90%; - height:90%; - } - .text { - position:absolute; - top:100px; - left:20px; - font-size:2em; - color: blue; - } - </style> - </head> - <body onload="start()"> - <canvas id="example"> - There is supposed to be an example drawing here, but it's not important. - </canvas> - <div class="text">This is some text under the canvas</div> - <div id="framerate"></div> - </body> -</html> diff --git a/WebCore/manual-tests/webgl/TeapotPerPixel.html b/WebCore/manual-tests/webgl/TeapotPerPixel.html deleted file mode 100644 index 6274c8b..0000000 --- a/WebCore/manual-tests/webgl/TeapotPerPixel.html +++ /dev/null @@ -1,332 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <title>Canvas3d example</title> - <script src="resources/CanvasMatrix.js"> </script> - <script src="resources/utils3d.js"> </script> - <script id="vshader" type="x-shader/x-vertex"> - /* - Copyright (c) 2008 Seneca College - Licenced under the MIT License (http://www.c3dl.org/index.php/mit-license/) - */ - - // We need to create our own light structure since we can't access - // the light() function in the 2.0 context. - struct Light - { - vec4 ambient; - vec4 diffuse; - vec4 specular; - vec4 position; - - vec3 halfVector; - }; - - struct Material - { - vec4 emission; - vec4 ambient; - vec4 diffuse; - vec4 specular; - float shininess; - }; - - // - // vertex attributes - // - attribute vec4 a_vertex; - attribute vec3 a_normal; - attribute vec4 a_texCoord; - - // for every model we multiply the projection, view and model matrices - // once to prevent having to do it for every vertex, however we still need - // the view matrix to calculate lighting. - uniform mat4 u_modelViewMatrix; - - // we can calculate this once per model to speed up processing done on the js side. - uniform mat4 u_modelViewProjMatrix; - - // matrix to transform the vertex normals - uniform mat4 u_normalMatrix; - - // custom light structures need to be used since we don't have access to - // light states. - uniform Light u_light; - - // material - uniform vec4 u_globalAmbientColor; - uniform Material u_frontMaterial; - uniform Material u_backMaterial; - - // passed to fragment shader - varying vec4 v_diffuse, v_ambient; - varying vec3 v_normal, v_lightDir; - varying vec2 v_texCoord; - - /* - Given a reference to the ambient and diffuse lighting variables, - this function will calculate how much each component contributes to the scene. - - Light light - the light in view space - vec3 normal - - vec4 ambient - - vec4 diffuse - - */ - vec3 directionalLight(inout vec4 ambient, inout vec4 diffuse) - { - ambient += u_light.ambient; - diffuse += u_light.diffuse; - return normalize(vec3(u_light.position)); - } - - void main() - { - v_normal = normalize(u_normalMatrix * vec4(a_normal, 1)).xyz; - - vec4 ambient = vec4(0.0, 0.0, 0.0, 1.0); - vec4 diffuse = vec4(0.0, 0.0, 0.0, 1.0); - vec4 specular = vec4(0.0, 0.0, 0.0, 1.0); - - // place the current vertex into view space - // ecPos = eye coordinate position. - vec4 ecPos4 = u_modelViewMatrix * a_vertex; - - // the current vertex in eye coordinate space - vec3 ecPos = ecPos4.xyz/ecPos4.w; - v_lightDir = directionalLight(ambient, diffuse); - - v_ambient = u_frontMaterial.ambient * ambient; - v_ambient += u_globalAmbientColor * u_frontMaterial.ambient; - v_diffuse = u_frontMaterial.diffuse * diffuse; - - gl_Position = u_modelViewProjMatrix * a_vertex; - v_texCoord = a_texCoord.st; - } - </script> - - <script id="fshader" type="x-shader/x-fragment"> - struct Light - { - vec4 ambient; - vec4 diffuse; - vec4 specular; - vec4 position; - - vec3 halfVector; - }; - - struct Material - { - vec4 emission; - vec4 ambient; - vec4 diffuse; - vec4 specular; - float shininess; - }; - - uniform sampler2D u_sampler2d; - uniform Light u_light; - uniform Material u_frontMaterial; - uniform Material u_backMaterial; - - varying vec4 v_diffuse, v_ambient; - varying vec3 v_normal, v_lightDir; - varying vec2 v_texCoord; - - void main() - { - vec4 color = v_diffuse; - - vec3 n = normalize(v_normal); - - Light light = u_light; - vec3 lightDir = v_lightDir; - float nDotL = max(dot(n, lightDir), 0.0); - if (nDotL > 0.0) { - color = vec4(color.rgb * nDotL, color.a); - float nDotHV = max(dot(n, light.halfVector), 0.0); - vec4 specular = u_frontMaterial.specular * light.specular; - color += vec4(specular.rgb * pow(nDotHV, u_frontMaterial.shininess), specular.a); - } - - gl_FragColor = color + v_ambient; - } - </script> - - <script> - console.log("Hello"); - function setDirectionalLight(ctx, program, eyeVector, direction, ambient, diffuse, specular) - { - var lightString = "u_light."; - - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"ambient"), - ambient[0], ambient[1], ambient[2], ambient[3]); - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"diffuse"), - diffuse[0], diffuse[1], diffuse[2], diffuse[3]); - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"specular"), - specular[0], specular[1], specular[2], specular[3]); - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"position"), - direction[0], direction[1], direction[2], direction[3]); - - // compute the half vector - var halfVector = [ eyeVector[0] + direction[0], eyeVector[1] + direction[1], eyeVector[2] + direction[2] ]; - var length = Math.sqrt(halfVector[0] * halfVector[0] + - halfVector[1] * halfVector[1] + - halfVector[2] * halfVector[2]); - if (length == 0) - halfVector = [ 0, 0, 1 ]; - else { - halfVector[0] /= length; - halfVector[1] /= length; - halfVector[2] /= length; - } - - ctx.uniform3f(ctx.getUniformLocation(program, lightString+"halfVector"), - halfVector[0], halfVector[1], halfVector[2]); - } - - function setMaterial(ctx, program, emission, ambient, diffuse, specular, shininess) - { - var matString = "u_frontMaterial."; - ctx.uniform4f(ctx.getUniformLocation(program, matString+"emission"), - emission[0], emission[1], emission[2], emission[3]); - ctx.uniform4f(ctx.getUniformLocation(program, matString+"ambient"), - ambient[0], ambient[1], ambient[2], ambient[3]); - ctx.uniform4f(ctx.getUniformLocation(program, matString+"diffuse"), - diffuse[0], diffuse[1], diffuse[2], diffuse[3]); - ctx.uniform4f(ctx.getUniformLocation(program, matString+"specular"), - specular[0], specular[1], specular[2], specular[3]); - ctx.uniform1f(ctx.getUniformLocation(program, matString+"shininess"), shininess); - } - - function init() - { - var gl = initWebGL("example", "vshader", "fshader", - [ "a_normal", "a_texCoord", "a_vertex"], - [ 0, 0, 0, 1 ], 10000); - - gl.uniform1i(gl.getUniformLocation(gl.program, "u_sampler2d"), 0); - gl.uniform4f(gl.getUniformLocation(gl.program, "u_globalAmbientColor"), 0.2, 0.2, 0.2, 1); - - setDirectionalLight(gl, gl.program, - [ 0, 0, 1 ], // eyeVector - [0, 0, 1, 1], // position - [0.1, 0.1, 0.1, 1], // ambient - [1, 1, 1, 1], // diffuse - [1, 1, 1, 1]); // specular - - setMaterial(gl, gl.program, - [ 0, 0, 0, 0 ], // emission - [ 0.1, 0.1, 0.1, 1 ], // ambient - [ 0.8, 0.2, 0, 1 ], // diffuse - [ 0, 0, 1, 1 ], // specular - 32); // shininess - - obj = loadObj(gl, "resources/teapot.obj"); - - mvMatrix = new CanvasMatrix4(); - normalMatrix = new CanvasMatrix4(); - - return gl; - } - - width = -1; - height = -1; - loaded = false; - - function reshape(ctx) - { - var canvas = document.getElementById('example'); - if (canvas.clientWidth == width && canvas.clientHeight == height) - return; - - width = canvas.clientWidth; - height = canvas.clientHeight; - - ctx.viewport(0, 0, width, height); - - ctx.perspectiveMatrix = new CanvasMatrix4(); - ctx.perspectiveMatrix.lookat(0,0,50, 0, 0, 0, 0, 1, 0); - ctx.perspectiveMatrix.perspective(30, width/height, 1, 10000); - } - - function drawPicture(ctx) - { - var startRenderTime = new Date().getTime(); - - reshape(ctx); - ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT); - - if (!loaded && obj.loaded) { - loaded = true; - - ctx.enableVertexAttribArray(0); - ctx.enableVertexAttribArray(1); - ctx.enableVertexAttribArray(2); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, obj.vertexObject); - ctx.vertexAttribPointer(2, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, obj.normalObject); - ctx.vertexAttribPointer(0, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, obj.texCoordObject); - ctx.vertexAttribPointer(1, 2, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, obj.indexObject); - } - - if (!loaded) - return; - - // generate the model-view matrix - mvMatrix.makeIdentity(); - mvMatrix.rotate(currentAngle, 0, 1, 0); - mvMatrix.rotate(10, 1,0,0); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - // construct the normal matrix from the model-view matrix - normalMatrix.load(mvMatrix); - normalMatrix.invert(); - normalMatrix.transpose(); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_normalMatrix"), false, normalMatrix.getAsCanvasFloatArray()); - - mvMatrix.multRight(ctx.perspectiveMatrix); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewProjMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - ctx.drawElements(ctx.TRIANGLES, obj.numIndices, ctx.UNSIGNED_SHORT, 0); - - ctx.flush(); - - framerate.snapshot(); - - currentAngle += incAngle; - if (currentAngle > 360) - currentAngle -= 360; - } - - function start() - { - var ctx = init(); - currentAngle = 0; - incAngle = 0.2; - framerate = new Framerate("framerate"); - var f = function() { drawPicture(ctx) }; - setInterval(f, 10); - } - </script> - <style type="text/css"> - canvas { - border: 2px solid black; - width:90%; - height:90%; - } - </style> - </head> - <body onload="start()"> - <canvas id="example"> - There is supposed to be an example drawing here, but it's not important. - </canvas> - <div id="framerate"></div> - </body> -</html> diff --git a/WebCore/manual-tests/webgl/TeapotPerVertex.html b/WebCore/manual-tests/webgl/TeapotPerVertex.html deleted file mode 100644 index d2544a3..0000000 --- a/WebCore/manual-tests/webgl/TeapotPerVertex.html +++ /dev/null @@ -1,305 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <title>Canvas3d example</title> - <script src="resources/CanvasMatrix.js"> </script> - <script src="resources/utils3d.js"> </script> - <script id="vshader" type="x-shader/x-vertex"> - /* - Copyright (c) 2008 Seneca College - Licenced under the MIT License (http://www.c3dl.org/index.php/mit-license/) - */ - - // We need to create our own light structure since we can't access - // the light() function in the 2.0 context. - struct Light - { - vec4 ambient; - vec4 diffuse; - vec4 specular; - vec4 position; - - vec3 halfVector; - }; - - struct Material - { - vec4 emission; - vec4 ambient; - vec4 diffuse; - vec4 specular; - float shininess; - }; - - // - // vertex attributes - // - attribute vec3 a_normal; - attribute vec4 a_texCoord; - attribute vec4 a_vertex; - - // for every model we multiply the projection, view and model matrices - // once to prevent having to do it for every vertex, however we still need - // the view matrix to calculate lighting. - uniform mat4 u_modelViewMatrix; - - // we can calculate this once per model to speed up processing done on the js side. - uniform mat4 u_modelViewProjMatrix; - - // matrix to transform the vertex normals - uniform mat4 u_normalMatrix; - - // custom light structures need to be used since we don't have access to - // light states. - uniform Light u_light; - - // material - uniform vec4 u_globalAmbientColor; - uniform Material u_frontMaterial; - uniform Material u_backMaterial; - - // passed to fragment shader - varying vec4 v_diffuse, v_specular; - varying vec2 v_texCoord; - - /* - Given a reference to the ambient and diffuse lighting variables, - this function will calculate how much each component contributes to the scene. - - Light light - the light in view space - vec3 normal - - vec4 ambient - - vec4 diffuse - - */ - void directionalLight(in vec3 normal, inout vec4 ambient, inout vec4 diffuse, inout vec4 specular) - { - vec3 lightDir = normalize(vec3(u_light.position)); - ambient += u_light.ambient; - - float nDotL = max(dot(normal, lightDir), 0.0); - if (nDotL > 0.0) { - diffuse += u_light.diffuse * nDotL; - float nDotHV = max(dot(normal, u_light.halfVector), 0.0); - nDotHV += 0.3; - vec4 specularColor = u_frontMaterial.specular * u_light.specular; - specular += vec4(specularColor.rgb * pow(nDotHV, u_frontMaterial.shininess), specularColor.a); - } - } - - void main() - { - vec3 normal = normalize(u_normalMatrix * vec4(a_normal, 1)).xyz; - - vec4 ambient = vec4(0.0, 0.0, 0.0, 1.0); - vec4 diffuse = vec4(0.0, 0.0, 0.0, 1.0); - vec4 specular = vec4(0.0, 0.0, 0.0, 1.0); - - // place the current vertex into view space - // ecPos = eye coordinate position. - vec4 ecPos4 = u_modelViewMatrix * a_vertex; - - // the current vertex in eye coordinate space - vec3 ecPos = ecPos4.xyz/ecPos4.w; - directionalLight(normal, ambient, diffuse, specular); - - ambient = u_frontMaterial.ambient * ambient; - ambient += u_globalAmbientColor * u_frontMaterial.ambient; - diffuse = u_frontMaterial.diffuse * diffuse; - - v_diffuse = diffuse; - v_specular = specular + ambient; - gl_Position = u_modelViewProjMatrix * a_vertex; - v_texCoord = a_texCoord.st; - } - </script> - - <script id="fshader" type="x-shader/x-fragment"> - uniform sampler2D u_sampler2d; - - varying vec4 v_diffuse, v_specular; - varying vec2 v_texCoord; - - void main() - { - vec4 color = v_diffuse; - - gl_FragColor = color + v_specular; - } - </script> - - <script> - function setDirectionalLight(ctx, program, eyeVector, direction, ambient, diffuse, specular) - { - var lightString = "u_light."; - - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"ambient"), - ambient[0], ambient[1], ambient[2], ambient[3]); - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"diffuse"), - diffuse[0], diffuse[1], diffuse[2], diffuse[3]); - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"specular"), - specular[0], specular[1], specular[2], specular[3]); - ctx.uniform4f(ctx.getUniformLocation(program, lightString+"position"), - direction[0], direction[1], direction[2], direction[3]); - - // compute the half vector - var halfVector = [ eyeVector[0] + direction[0], eyeVector[1] + direction[1], eyeVector[2] + direction[2] ]; - var length = Math.sqrt(halfVector[0] * halfVector[0] + - halfVector[1] * halfVector[1] + - halfVector[2] * halfVector[2]); - if (length == 0) - halfVector = [ 0, 0, 1 ]; - else { - halfVector[0] /= length; - halfVector[1] /= length; - halfVector[2] /= length; - } - - ctx.uniform3f(ctx.getUniformLocation(program, lightString+"halfVector"), - halfVector[0], halfVector[1], halfVector[2]); - } - - function setMaterial(ctx, program, emission, ambient, diffuse, specular, shininess) - { - var matString = "u_frontMaterial."; - ctx.uniform4f(ctx.getUniformLocation(program, matString+"emission"), - emission[0], emission[1], emission[2], emission[3]); - ctx.uniform4f(ctx.getUniformLocation(program, matString+"ambient"), - ambient[0], ambient[1], ambient[2], ambient[3]); - ctx.uniform4f(ctx.getUniformLocation(program, matString+"diffuse"), - diffuse[0], diffuse[1], diffuse[2], diffuse[3]); - ctx.uniform4f(ctx.getUniformLocation(program, matString+"specular"), - specular[0], specular[1], specular[2], specular[3]); - ctx.uniform1f(ctx.getUniformLocation(program, matString+"shininess"), shininess); - } - - function init() - { - var gl = initWebGL("example", "vshader", "fshader", - [ "a_normal", "a_texCoord", "a_vertex"], - [ 0, 0, 0, 1 ], 10000); - - gl.uniform1i(gl.getUniformLocation(gl.program, "u_sampler2d"), 0); - gl.uniform4f(gl.getUniformLocation(gl.program, "u_globalAmbientColor"), 0.2, 0.2, 0.2, 1); - - setDirectionalLight(gl, gl.program, - [ 0, 0, 1 ], // eyeVector - [0, 0, 1, 1], // position - [0.1, 0.1, 0.1, 1], // ambient - [1, 1, 1, 1], // diffuse - [1, 1, 1, 1]); // specular - - setMaterial(gl, gl.program, - [ 0, 0, 0, 0 ], // emission - [ 0.1, 0.1, 0.1, 1 ], // ambient - [ 0.8, 0.2, 0, 1 ], // diffuse - [ 0, 0, 1, 1 ], // specular - 32); // shininess - - obj = loadObj(gl, "resources/teapot.obj"); - - mvMatrix = new CanvasMatrix4(); - normalMatrix = new CanvasMatrix4(); - - return gl; - } - - width = -1; - height = -1; - loaded = false; - - function reshape(ctx) - { - var canvas = document.getElementById('example'); - if (canvas.clientWidth == width && canvas.clientHeight == height) - return; - - width = canvas.clientWidth; - height = canvas.clientHeight; - - ctx.viewport(0, 0, width, height); - - ctx.perspectiveMatrix = new CanvasMatrix4(); - ctx.perspectiveMatrix.lookat(0,0,50, 0, 0, 0, 0, 1, 0); - ctx.perspectiveMatrix.perspective(30, width/height, 1, 10000); - } - - function drawPicture(ctx) - { - var startRenderTime = new Date().getTime(); - - reshape(ctx); - ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT); - - if (!loaded && obj.loaded) { - loaded = true; - - ctx.enableVertexAttribArray(0); - ctx.enableVertexAttribArray(1); - ctx.enableVertexAttribArray(2); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, obj.normalObject); - ctx.vertexAttribPointer(0, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, obj.texCoordObject); - ctx.vertexAttribPointer(1, 2, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, obj.vertexObject); - ctx.vertexAttribPointer(2, 3, ctx.FLOAT, false, 0, 0); - - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, obj.indexObject); - } - - if (!loaded) - return; - - // generate the model-view matrix - mvMatrix.makeIdentity(); - mvMatrix.rotate(currentAngle, 0, 1, 0); - mvMatrix.rotate(10, 1,0,0); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - // construct the normal matrix from the model-view matrix - normalMatrix.load(mvMatrix); - normalMatrix.invert(); - normalMatrix.transpose(); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_normalMatrix"), false, normalMatrix.getAsCanvasFloatArray()); - - mvMatrix.multRight(ctx.perspectiveMatrix); - ctx.uniformMatrix4fv(ctx.getUniformLocation(ctx.program, "u_modelViewProjMatrix"), false, mvMatrix.getAsCanvasFloatArray()); - - ctx.drawElements(ctx.TRIANGLES, obj.numIndices, ctx.UNSIGNED_SHORT, 0); - - ctx.flush(); - - framerate.snapshot(); - - currentAngle += incAngle; - if (currentAngle > 360) - currentAngle -= 360; - } - - function start() - { - var ctx = init(); - currentAngle = 0; - incAngle = 0.2; - framerate = new Framerate("framerate"); - var f = function() { drawPicture(ctx) }; - setInterval(f, 10); - } - </script> - <style type="text/css"> - canvas { - border: 2px solid black; - width:90%; - height:90%; - } - </style> - </head> - <body onload="start()"> - <canvas id="example"> - There is supposed to be an example drawing here, but it's not important. - </canvas> - <div id="framerate"></div> - </body> -</html> diff --git a/WebCore/manual-tests/webgl/resources/CanvasMatrix.js b/WebCore/manual-tests/webgl/resources/CanvasMatrix.js deleted file mode 100644 index 90fcb3f..0000000 --- a/WebCore/manual-tests/webgl/resources/CanvasMatrix.js +++ /dev/null @@ -1,698 +0,0 @@ -/* - CanvasMatrix4 class - - This class implements a 4x4 matrix. It has functions which - duplicate the functionality of the OpenGL matrix stack and - glut functions. - - IDL: - - [ - Constructor(in CanvasMatrix4 matrix), // copy passed matrix into new CanvasMatrix4 - Constructor(in sequence<float> array) // create new CanvasMatrix4 with 16 floats (row major) - Constructor() // create new CanvasMatrix4 with identity matrix - ] - interface CanvasMatrix4 { - attribute float m11; - attribute float m12; - attribute float m13; - attribute float m14; - attribute float m21; - attribute float m22; - attribute float m23; - attribute float m24; - attribute float m31; - attribute float m32; - attribute float m33; - attribute float m34; - attribute float m41; - attribute float m42; - attribute float m43; - attribute float m44; - - void load(in CanvasMatrix4 matrix); // copy the values from the passed matrix - void load(in sequence<float> array); // copy 16 floats into the matrix - sequence<float> getAsArray(); // return the matrix as an array of 16 floats - WebGLFloatArray getAsCanvasFloatArray(); // return the matrix as a WebGLFloatArray with 16 values - void makeIdentity(); // replace the matrix with identity - void transpose(); // replace the matrix with its transpose - void invert(); // replace the matrix with its inverse - - void translate(in float x, in float y, in float z); // multiply the matrix by passed translation values on the right - void scale(in float x, in float y, in float z); // multiply the matrix by passed scale values on the right - void rotate(in float angle, // multiply the matrix by passed rotation values on the right - in float x, in float y, in float z); // (angle is in degrees) - void multRight(in CanvasMatrix matrix); // multiply the matrix by the passed matrix on the right - void multLeft(in CanvasMatrix matrix); // multiply the matrix by the passed matrix on the left - void ortho(in float left, in float right, // multiply the matrix by the passed ortho values on the right - in float bottom, in float top, - in float near, in float far); - void frustum(in float left, in float right, // multiply the matrix by the passed frustum values on the right - in float bottom, in float top, - in float near, in float far); - void perspective(in float fovy, in float aspect, // multiply the matrix by the passed perspective values on the right - in float zNear, in float zFar); - void lookat(in float eyex, in float eyey, in float eyez, // multiply the matrix by the passed lookat - in float ctrx, in float ctry, in float ctrz, // values on the right - in float upx, in float upy, in float upz); - } -*/ - -CanvasMatrix4 = function(m) -{ - if (typeof m == 'object') { - if ("length" in m && m.length >= 16) { - this.load(m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], m[8], m[9], m[10], m[11], m[12], m[13], m[14], m[15]); - return; - } - else if (m instanceof CanvasMatrix4) { - this.load(m); - return; - } - } - this.makeIdentity(); -} - -CanvasMatrix4.prototype.load = function() -{ - if (arguments.length == 1 && typeof arguments[0] == 'object') { - var matrix = arguments[0]; - - if ("length" in matrix && matrix.length == 16) { - this.m11 = matrix[0]; - this.m12 = matrix[1]; - this.m13 = matrix[2]; - this.m14 = matrix[3]; - - this.m21 = matrix[4]; - this.m22 = matrix[5]; - this.m23 = matrix[6]; - this.m24 = matrix[7]; - - this.m31 = matrix[8]; - this.m32 = matrix[9]; - this.m33 = matrix[10]; - this.m34 = matrix[11]; - - this.m41 = matrix[12]; - this.m42 = matrix[13]; - this.m43 = matrix[14]; - this.m44 = matrix[15]; - return; - } - - if (arguments[0] instanceof CanvasMatrix4) { - - this.m11 = matrix.m11; - this.m12 = matrix.m12; - this.m13 = matrix.m13; - this.m14 = matrix.m14; - - this.m21 = matrix.m21; - this.m22 = matrix.m22; - this.m23 = matrix.m23; - this.m24 = matrix.m24; - - this.m31 = matrix.m31; - this.m32 = matrix.m32; - this.m33 = matrix.m33; - this.m34 = matrix.m34; - - this.m41 = matrix.m41; - this.m42 = matrix.m42; - this.m43 = matrix.m43; - this.m44 = matrix.m44; - return; - } - } - - this.makeIdentity(); -} - -CanvasMatrix4.prototype.getAsArray = function() -{ - return [ - this.m11, this.m12, this.m13, this.m14, - this.m21, this.m22, this.m23, this.m24, - this.m31, this.m32, this.m33, this.m34, - this.m41, this.m42, this.m43, this.m44 - ]; -} - -CanvasMatrix4.prototype.getAsCanvasFloatArray = function() -{ - return new WebGLFloatArray(this.getAsArray()); -} - -CanvasMatrix4.prototype.makeIdentity = function() -{ - this.m11 = 1; - this.m12 = 0; - this.m13 = 0; - this.m14 = 0; - - this.m21 = 0; - this.m22 = 1; - this.m23 = 0; - this.m24 = 0; - - this.m31 = 0; - this.m32 = 0; - this.m33 = 1; - this.m34 = 0; - - this.m41 = 0; - this.m42 = 0; - this.m43 = 0; - this.m44 = 1; -} - -CanvasMatrix4.prototype.transpose = function() -{ - var tmp = this.m12; - this.m12 = this.m21; - this.m21 = tmp; - - tmp = this.m13; - this.m13 = this.m31; - this.m31 = tmp; - - tmp = this.m14; - this.m14 = this.m41; - this.m41 = tmp; - - tmp = this.m23; - this.m23 = this.m32; - this.m32 = tmp; - - tmp = this.m24; - this.m24 = this.m42; - this.m42 = tmp; - - tmp = this.m34; - this.m34 = this.m43; - this.m43 = tmp; -} - -CanvasMatrix4.prototype.invert = function() -{ - // Calculate the 4x4 determinant - // If the determinant is zero, - // then the inverse matrix is not unique. - var det = this._determinant4x4(); - - if (Math.abs(det) < 1e-8) - return null; - - this._makeAdjoint(); - - // Scale the adjoint matrix to get the inverse - this.m11 /= det; - this.m12 /= det; - this.m13 /= det; - this.m14 /= det; - - this.m21 /= det; - this.m22 /= det; - this.m23 /= det; - this.m24 /= det; - - this.m31 /= det; - this.m32 /= det; - this.m33 /= det; - this.m34 /= det; - - this.m41 /= det; - this.m42 /= det; - this.m43 /= det; - this.m44 /= det; -} - -CanvasMatrix4.prototype.translate = function(x,y,z) -{ - if (x == undefined) - x = 0; - if (y == undefined) - y = 0; - if (z == undefined) - z = 0; - - var matrix = new CanvasMatrix4(); - matrix.m41 = x; - matrix.m42 = y; - matrix.m43 = z; - - this.multRight(matrix); -} - -CanvasMatrix4.prototype.scale = function(x,y,z) -{ - if (x == undefined) - x = 1; - if (z == undefined) { - if (y == undefined) { - y = x; - z = x; - } - else - z = 1; - } - else if (y == undefined) - y = x; - - var matrix = new CanvasMatrix4(); - matrix.m11 = x; - matrix.m22 = y; - matrix.m33 = z; - - this.multRight(matrix); -} - -CanvasMatrix4.prototype.rotate = function(angle,x,y,z) -{ - // angles are in degrees. Switch to radians - angle = angle / 180 * Math.PI; - - angle /= 2; - var sinA = Math.sin(angle); - var cosA = Math.cos(angle); - var sinA2 = sinA * sinA; - - // normalize - var length = Math.sqrt(x * x + y * y + z * z); - if (length == 0) { - // bad vector, just use something reasonable - x = 0; - y = 0; - z = 1; - } else if (length != 1) { - x /= length; - y /= length; - z /= length; - } - - var mat = new CanvasMatrix4(); - - // optimize case where axis is along major axis - if (x == 1 && y == 0 && z == 0) { - mat.m11 = 1; - mat.m12 = 0; - mat.m13 = 0; - mat.m21 = 0; - mat.m22 = 1 - 2 * sinA2; - mat.m23 = 2 * sinA * cosA; - mat.m31 = 0; - mat.m32 = -2 * sinA * cosA; - mat.m33 = 1 - 2 * sinA2; - mat.m14 = mat.m24 = mat.m34 = 0; - mat.m41 = mat.m42 = mat.m43 = 0; - mat.m44 = 1; - } else if (x == 0 && y == 1 && z == 0) { - mat.m11 = 1 - 2 * sinA2; - mat.m12 = 0; - mat.m13 = -2 * sinA * cosA; - mat.m21 = 0; - mat.m22 = 1; - mat.m23 = 0; - mat.m31 = 2 * sinA * cosA; - mat.m32 = 0; - mat.m33 = 1 - 2 * sinA2; - mat.m14 = mat.m24 = mat.m34 = 0; - mat.m41 = mat.m42 = mat.m43 = 0; - mat.m44 = 1; - } else if (x == 0 && y == 0 && z == 1) { - mat.m11 = 1 - 2 * sinA2; - mat.m12 = 2 * sinA * cosA; - mat.m13 = 0; - mat.m21 = -2 * sinA * cosA; - mat.m22 = 1 - 2 * sinA2; - mat.m23 = 0; - mat.m31 = 0; - mat.m32 = 0; - mat.m33 = 1; - mat.m14 = mat.m24 = mat.m34 = 0; - mat.m41 = mat.m42 = mat.m43 = 0; - mat.m44 = 1; - } else { - var x2 = x*x; - var y2 = y*y; - var z2 = z*z; - - mat.m11 = 1 - 2 * (y2 + z2) * sinA2; - mat.m12 = 2 * (x * y * sinA2 + z * sinA * cosA); - mat.m13 = 2 * (x * z * sinA2 - y * sinA * cosA); - mat.m21 = 2 * (y * x * sinA2 - z * sinA * cosA); - mat.m22 = 1 - 2 * (z2 + x2) * sinA2; - mat.m23 = 2 * (y * z * sinA2 + x * sinA * cosA); - mat.m31 = 2 * (z * x * sinA2 + y * sinA * cosA); - mat.m32 = 2 * (z * y * sinA2 - x * sinA * cosA); - mat.m33 = 1 - 2 * (x2 + y2) * sinA2; - mat.m14 = mat.m24 = mat.m34 = 0; - mat.m41 = mat.m42 = mat.m43 = 0; - mat.m44 = 1; - } - this.multRight(mat); -} - -CanvasMatrix4.prototype.multRight = function(mat) -{ - var m11 = (this.m11 * mat.m11 + this.m12 * mat.m21 - + this.m13 * mat.m31 + this.m14 * mat.m41); - var m12 = (this.m11 * mat.m12 + this.m12 * mat.m22 - + this.m13 * mat.m32 + this.m14 * mat.m42); - var m13 = (this.m11 * mat.m13 + this.m12 * mat.m23 - + this.m13 * mat.m33 + this.m14 * mat.m43); - var m14 = (this.m11 * mat.m14 + this.m12 * mat.m24 - + this.m13 * mat.m34 + this.m14 * mat.m44); - - var m21 = (this.m21 * mat.m11 + this.m22 * mat.m21 - + this.m23 * mat.m31 + this.m24 * mat.m41); - var m22 = (this.m21 * mat.m12 + this.m22 * mat.m22 - + this.m23 * mat.m32 + this.m24 * mat.m42); - var m23 = (this.m21 * mat.m13 + this.m22 * mat.m23 - + this.m23 * mat.m33 + this.m24 * mat.m43); - var m24 = (this.m21 * mat.m14 + this.m22 * mat.m24 - + this.m23 * mat.m34 + this.m24 * mat.m44); - - var m31 = (this.m31 * mat.m11 + this.m32 * mat.m21 - + this.m33 * mat.m31 + this.m34 * mat.m41); - var m32 = (this.m31 * mat.m12 + this.m32 * mat.m22 - + this.m33 * mat.m32 + this.m34 * mat.m42); - var m33 = (this.m31 * mat.m13 + this.m32 * mat.m23 - + this.m33 * mat.m33 + this.m34 * mat.m43); - var m34 = (this.m31 * mat.m14 + this.m32 * mat.m24 - + this.m33 * mat.m34 + this.m34 * mat.m44); - - var m41 = (this.m41 * mat.m11 + this.m42 * mat.m21 - + this.m43 * mat.m31 + this.m44 * mat.m41); - var m42 = (this.m41 * mat.m12 + this.m42 * mat.m22 - + this.m43 * mat.m32 + this.m44 * mat.m42); - var m43 = (this.m41 * mat.m13 + this.m42 * mat.m23 - + this.m43 * mat.m33 + this.m44 * mat.m43); - var m44 = (this.m41 * mat.m14 + this.m42 * mat.m24 - + this.m43 * mat.m34 + this.m44 * mat.m44); - - this.m11 = m11; - this.m12 = m12; - this.m13 = m13; - this.m14 = m14; - - this.m21 = m21; - this.m22 = m22; - this.m23 = m23; - this.m24 = m24; - - this.m31 = m31; - this.m32 = m32; - this.m33 = m33; - this.m34 = m34; - - this.m41 = m41; - this.m42 = m42; - this.m43 = m43; - this.m44 = m44; -} - -CanvasMatrix4.prototype.multLeft = function(mat) -{ - var m11 = (mat.m11 * this.m11 + mat.m12 * this.m21 - + mat.m13 * this.m31 + mat.m14 * this.m41); - var m12 = (mat.m11 * this.m12 + mat.m12 * this.m22 - + mat.m13 * this.m32 + mat.m14 * this.m42); - var m13 = (mat.m11 * this.m13 + mat.m12 * this.m23 - + mat.m13 * this.m33 + mat.m14 * this.m43); - var m14 = (mat.m11 * this.m14 + mat.m12 * this.m24 - + mat.m13 * this.m34 + mat.m14 * this.m44); - - var m21 = (mat.m21 * this.m11 + mat.m22 * this.m21 - + mat.m23 * this.m31 + mat.m24 * this.m41); - var m22 = (mat.m21 * this.m12 + mat.m22 * this.m22 - + mat.m23 * this.m32 + mat.m24 * this.m42); - var m23 = (mat.m21 * this.m13 + mat.m22 * this.m23 - + mat.m23 * this.m33 + mat.m24 * this.m43); - var m24 = (mat.m21 * this.m14 + mat.m22 * this.m24 - + mat.m23 * this.m34 + mat.m24 * this.m44); - - var m31 = (mat.m31 * this.m11 + mat.m32 * this.m21 - + mat.m33 * this.m31 + mat.m34 * this.m41); - var m32 = (mat.m31 * this.m12 + mat.m32 * this.m22 - + mat.m33 * this.m32 + mat.m34 * this.m42); - var m33 = (mat.m31 * this.m13 + mat.m32 * this.m23 - + mat.m33 * this.m33 + mat.m34 * this.m43); - var m34 = (mat.m31 * this.m14 + mat.m32 * this.m24 - + mat.m33 * this.m34 + mat.m34 * this.m44); - - var m41 = (mat.m41 * this.m11 + mat.m42 * this.m21 - + mat.m43 * this.m31 + mat.m44 * this.m41); - var m42 = (mat.m41 * this.m12 + mat.m42 * this.m22 - + mat.m43 * this.m32 + mat.m44 * this.m42); - var m43 = (mat.m41 * this.m13 + mat.m42 * this.m23 - + mat.m43 * this.m33 + mat.m44 * this.m43); - var m44 = (mat.m41 * this.m14 + mat.m42 * this.m24 - + mat.m43 * this.m34 + mat.m44 * this.m44); - - this.m11 = m11; - this.m12 = m12; - this.m13 = m13; - this.m14 = m14; - - this.m21 = m21; - this.m22 = m22; - this.m23 = m23; - this.m24 = m24; - - this.m31 = m31; - this.m32 = m32; - this.m33 = m33; - this.m34 = m34; - - this.m41 = m41; - this.m42 = m42; - this.m43 = m43; - this.m44 = m44; -} - -CanvasMatrix4.prototype.ortho = function(left, right, bottom, top, near, far) -{ - var tx = (left + right) / (left - right); - var ty = (top + bottom) / (top - bottom); - var tz = (far + near) / (far - near); - - var matrix = new CanvasMatrix4(); - matrix.m11 = 2 / (left - right); - matrix.m12 = 0; - matrix.m13 = 0; - matrix.m14 = 0; - matrix.m21 = 0; - matrix.m22 = 2 / (top - bottom); - matrix.m23 = 0; - matrix.m24 = 0; - matrix.m31 = 0; - matrix.m32 = 0; - matrix.m33 = -2 / (far - near); - matrix.m34 = 0; - matrix.m41 = tx; - matrix.m42 = ty; - matrix.m43 = tz; - matrix.m44 = 1; - - this.multRight(matrix); -} - -CanvasMatrix4.prototype.frustum = function(left, right, bottom, top, near, far) -{ - var matrix = new CanvasMatrix4(); - var A = (right + left) / (right - left); - var B = (top + bottom) / (top - bottom); - var C = -(far + near) / (far - near); - var D = -(2 * far * near) / (far - near); - - matrix.m11 = (2 * near) / (right - left); - matrix.m12 = 0; - matrix.m13 = 0; - matrix.m14 = 0; - - matrix.m21 = 0; - matrix.m22 = 2 * near / (top - bottom); - matrix.m23 = 0; - matrix.m24 = 0; - - matrix.m31 = A; - matrix.m32 = B; - matrix.m33 = C; - matrix.m34 = -1; - - matrix.m41 = 0; - matrix.m42 = 0; - matrix.m43 = D; - matrix.m44 = 0; - - this.multRight(matrix); -} - -CanvasMatrix4.prototype.perspective = function(fovy, aspect, zNear, zFar) -{ - var top = Math.tan(fovy * Math.PI / 360) * zNear; - var bottom = -top; - var left = aspect * bottom; - var right = aspect * top; - this.frustum(left, right, bottom, top, zNear, zFar); -} - -CanvasMatrix4.prototype.lookat = function(eyex, eyey, eyez, centerx, centery, centerz, upx, upy, upz) -{ - var matrix = new CanvasMatrix4(); - - // Make rotation matrix - - // Z vector - var zx = eyex - centerx; - var zy = eyey - centery; - var zz = eyez - centerz; - var mag = Math.sqrt(zx * zx + zy * zy + zz * zz); - if (mag) { - zx /= mag; - zy /= mag; - zz /= mag; - } - - // Y vector - var yx = upx; - var yy = upy; - var yz = upz; - - // X vector = Y cross Z - xx = yy * zz - yz * zy; - xy = -yx * zz + yz * zx; - xz = yx * zy - yy * zx; - - // Recompute Y = Z cross X - yx = zy * xz - zz * xy; - yy = -zx * xz + zz * xx; - yx = zx * xy - zy * xx; - - // cross product gives area of parallelogram, which is < 1.0 for - // non-perpendicular unit-length vectors; so normalize x, y here - - mag = Math.sqrt(xx * xx + xy * xy + xz * xz); - if (mag) { - xx /= mag; - xy /= mag; - xz /= mag; - } - - mag = Math.sqrt(yx * yx + yy * yy + yz * yz); - if (mag) { - yx /= mag; - yy /= mag; - yz /= mag; - } - - matrix.m11 = xx; - matrix.m12 = xy; - matrix.m13 = xz; - matrix.m14 = 0; - - matrix.m21 = yx; - matrix.m22 = yy; - matrix.m23 = yz; - matrix.m24 = 0; - - matrix.m31 = zx; - matrix.m32 = zy; - matrix.m33 = zz; - matrix.m34 = 0; - - matrix.m41 = 0; - matrix.m42 = 0; - matrix.m43 = 0; - matrix.m44 = 1; - matrix.translate(-eyex, -eyey, -eyez); - - this.multRight(matrix); -} - -// Support functions -CanvasMatrix4.prototype._determinant2x2 = function(a, b, c, d) -{ - return a * d - b * c; -} - -CanvasMatrix4.prototype._determinant3x3 = function(a1, a2, a3, b1, b2, b3, c1, c2, c3) -{ - return a1 * this._determinant2x2(b2, b3, c2, c3) - - b1 * this._determinant2x2(a2, a3, c2, c3) - + c1 * this._determinant2x2(a2, a3, b2, b3); -} - -CanvasMatrix4.prototype._determinant4x4 = function() -{ - var a1 = this.m11; - var b1 = this.m12; - var c1 = this.m13; - var d1 = this.m14; - - var a2 = this.m21; - var b2 = this.m22; - var c2 = this.m23; - var d2 = this.m24; - - var a3 = this.m31; - var b3 = this.m32; - var c3 = this.m33; - var d3 = this.m34; - - var a4 = this.m41; - var b4 = this.m42; - var c4 = this.m43; - var d4 = this.m44; - - return a1 * this._determinant3x3(b2, b3, b4, c2, c3, c4, d2, d3, d4) - - b1 * this._determinant3x3(a2, a3, a4, c2, c3, c4, d2, d3, d4) - + c1 * this._determinant3x3(a2, a3, a4, b2, b3, b4, d2, d3, d4) - - d1 * this._determinant3x3(a2, a3, a4, b2, b3, b4, c2, c3, c4); -} - -CanvasMatrix4.prototype._makeAdjoint = function() -{ - var a1 = this.m11; - var b1 = this.m12; - var c1 = this.m13; - var d1 = this.m14; - - var a2 = this.m21; - var b2 = this.m22; - var c2 = this.m23; - var d2 = this.m24; - - var a3 = this.m31; - var b3 = this.m32; - var c3 = this.m33; - var d3 = this.m34; - - var a4 = this.m41; - var b4 = this.m42; - var c4 = this.m43; - var d4 = this.m44; - - // Row column labeling reversed since we transpose rows & columns - this.m11 = this._determinant3x3(b2, b3, b4, c2, c3, c4, d2, d3, d4); - this.m21 = - this._determinant3x3(a2, a3, a4, c2, c3, c4, d2, d3, d4); - this.m31 = this._determinant3x3(a2, a3, a4, b2, b3, b4, d2, d3, d4); - this.m41 = - this._determinant3x3(a2, a3, a4, b2, b3, b4, c2, c3, c4); - - this.m12 = - this._determinant3x3(b1, b3, b4, c1, c3, c4, d1, d3, d4); - this.m22 = this._determinant3x3(a1, a3, a4, c1, c3, c4, d1, d3, d4); - this.m32 = - this._determinant3x3(a1, a3, a4, b1, b3, b4, d1, d3, d4); - this.m42 = this._determinant3x3(a1, a3, a4, b1, b3, b4, c1, c3, c4); - - this.m13 = this._determinant3x3(b1, b2, b4, c1, c2, c4, d1, d2, d4); - this.m23 = - this._determinant3x3(a1, a2, a4, c1, c2, c4, d1, d2, d4); - this.m33 = this._determinant3x3(a1, a2, a4, b1, b2, b4, d1, d2, d4); - this.m43 = - this._determinant3x3(a1, a2, a4, b1, b2, b4, c1, c2, c4); - - this.m14 = - this._determinant3x3(b1, b2, b3, c1, c2, c3, d1, d2, d3); - this.m24 = this._determinant3x3(a1, a2, a3, c1, c2, c3, d1, d2, d3); - this.m34 = - this._determinant3x3(a1, a2, a3, b1, b2, b3, d1, d2, d3); - this.m44 = this._determinant3x3(a1, a2, a3, b1, b2, b3, c1, c2, c3); -} diff --git a/WebCore/manual-tests/webgl/resources/earthmap1k.jpg b/WebCore/manual-tests/webgl/resources/earthmap1k.jpg Binary files differdeleted file mode 100644 index 7dcab8a..0000000 --- a/WebCore/manual-tests/webgl/resources/earthmap1k.jpg +++ /dev/null diff --git a/WebCore/manual-tests/webgl/resources/mars500x250.png b/WebCore/manual-tests/webgl/resources/mars500x250.png Binary files differdeleted file mode 100644 index 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462/786/462 466/791/466 527/792/527 -f 527/792/527 523/787/523 462/786/462 -f 523/787/523 527/792/527 528/793/528 -f 528/793/528 524/788/524 523/787/523 -f 524/788/524 528/793/528 529/794/529 -f 529/794/529 525/789/525 524/788/524 -f 525/789/525 529/794/529 530/795/530 -f 530/795/530 526/790/526 525/789/525 -f 466/791/466 406/796/406 467/797/467 -f 467/797/467 527/792/527 466/791/466 -f 527/792/527 467/797/467 468/798/468 -f 468/798/468 528/793/528 527/792/527 -f 528/793/528 468/798/468 469/799/469 -f 469/799/469 529/794/529 528/793/528 -f 529/794/529 469/799/469 470/800/470 -f 470/800/470 530/795/530 529/794/529 -# 992 faces - -g diff --git a/WebCore/manual-tests/webgl/resources/utils3d.js b/WebCore/manual-tests/webgl/resources/utils3d.js deleted file mode 100644 index 58f520f..0000000 --- a/WebCore/manual-tests/webgl/resources/utils3d.js +++ /dev/null @@ -1,530 +0,0 @@ -// -// initWebGL -// -// Initialize the Canvas element with the passed name as a WebGL object and return the -// WebGLRenderingContext. -// -// Load shaders with the passed names and create a program with them. Return this program -// in the 'program' property of the returned context. -// -// For each string in the passed attribs array, bind an attrib with that name at that index. -// Once the attribs are bound, link the program and then use it. -// -// Set the clear color to the passed array (4 values) and set the clear depth to the passed value. -// Enable depth testing and blending with a blend func of (SRC_ALPHA, ONE_MINUS_SRC_ALPHA) -// -function initWebGL(canvasName, vshader, fshader, attribs, clearColor, clearDepth) -{ - var canvas = document.getElementById(canvasName); - var gl = canvas.getContext("webkit-3d"); - - // create our shaders - var vertexShader = loadShader(gl, vshader); - var fragmentShader = loadShader(gl, fshader); - - if (!vertexShader || !fragmentShader) - return null; - - // Create the program object - gl.program = gl.createProgram(); - - if (!gl.program) - return null; - - // Attach our two shaders to the program - gl.attachShader (gl.program, vertexShader); - gl.attachShader (gl.program, fragmentShader); - - // Bind attributes - for (var i in attribs) - gl.bindAttribLocation (gl.program, i, attribs[i]); - - // Link the program - gl.linkProgram(gl.program); - - // Check the link status - var linked = gl.getProgramParameter(gl.program, gl.LINK_STATUS); - if (!linked) { - // something went wrong with the link - var error = gl.getProgramInfoLog (gl.program); - console.log("Error in program linking:"+error); - - gl.deleteProgram(gl.program); - gl.deleteProgram(fragmentShader); - gl.deleteProgram(vertexShader); - - return null; - } - - gl.useProgram(gl.program); - - gl.clearColor (clearColor[0], clearColor[1], clearColor[2], clearColor[3]); - gl.clearDepth (clearDepth); - - gl.enable(gl.DEPTH_TEST); - gl.enable(gl.BLEND); - gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA); - - return gl; -} - -// -// loadShader -// -// 'shaderId' is the id of a <script> element containing the shader source string. -// Load this shader and return the WebGLShader object corresponding to it. -// -function loadShader(ctx, shaderId) -{ - var shaderScript = document.getElementById(shaderId); - if (!shaderScript) { - console.log("*** Error: shader script '"+shaderId+"' not found"); - return null; - } - - if (shaderScript.type == "x-shader/x-vertex") - var shaderType = ctx.VERTEX_SHADER; - else if (shaderScript.type == "x-shader/x-fragment") - var shaderType = ctx.FRAGMENT_SHADER; - else { - console.log("*** Error: shader script '"+shaderId+"' of undefined type '"+shaderScript.type+"'"); - return null; - } - - // Create the shader object - var shader = ctx.createShader(shaderType); - if (shader == null) { - console.log("*** Error: unable to create shader '"+shaderId+"'"); - return null; - } - - // Load the shader source - ctx.shaderSource(shader, shaderScript.text); - - // Compile the shader - ctx.compileShader(shader); - - // Check the compile status - var compiled = ctx.getShaderParameter(shader, ctx.COMPILE_STATUS); - if (!compiled) { - // Something went wrong during compilation; get the error - var error = ctx.getShaderInfoLog(shader); - console.log("*** Error compiling shader '"+shaderId+"':"+error); - ctx.deleteShader(shader); - return null; - } - - return shader; -} - -// -// makeBox -// -// Create a box with vertices, normals and texCoords. Create VBOs for each as well as the index array. -// Return an object with the following properties: -// -// normalObject WebGLBuffer object for normals -// texCoordObject WebGLBuffer object for texCoords -// vertexObject WebGLBuffer object for vertices -// indexObject WebGLBuffer object for indices -// numIndices The number of indices in the indexObject -// -function makeBox(ctx) -{ - // box - // v6----- v5 - // /| /| - // v1------v0| - // | | | | - // | |v7---|-|v4 - // |/ |/ - // v2------v3 - // - // vertex coords array - var vertices = new WebGLFloatArray( - [ 1, 1, 1, -1, 1, 1, -1,-1, 1, 1,-1, 1, // v0-v1-v2-v3 front - 1, 1, 1, 1,-1, 1, 1,-1,-1, 1, 1,-1, // v0-v3-v4-v5 right - 1, 1, 1, 1, 1,-1, -1, 1,-1, -1, 1, 1, // v0-v5-v6-v1 top - -1, 1, 1, -1, 1,-1, -1,-1,-1, -1,-1, 1, // v1-v6-v7-v2 left - -1,-1,-1, 1,-1,-1, 1,-1, 1, -1,-1, 1, // v7-v4-v3-v2 bottom - 1,-1,-1, -1,-1,-1, -1, 1,-1, 1, 1,-1 ] // v4-v7-v6-v5 back - ); - - // normal array - var normals = new WebGLFloatArray( - [ 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, // v0-v1-v2-v3 front - 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, // v0-v3-v4-v5 right - 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, // v0-v5-v6-v1 top - -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, // v1-v6-v7-v2 left - 0,-1, 0, 0,-1, 0, 0,-1, 0, 0,-1, 0, // v7-v4-v3-v2 bottom - 0, 0,-1, 0, 0,-1, 0, 0,-1, 0, 0,-1 ] // v4-v7-v6-v5 back - ); - - - // texCoord array - var texCoords = new WebGLFloatArray( - [ 1, 1, 0, 1, 0, 0, 1, 0, // v0-v1-v2-v3 front - 0, 1, 0, 0, 1, 0, 1, 1, // v0-v3-v4-v5 right - 1, 0, 1, 1, 0, 1, 0, 0, // v0-v5-v6-v1 top - 1, 1, 0, 1, 0, 0, 1, 0, // v1-v6-v7-v2 left - 0, 0, 1, 0, 1, 1, 0, 1, // v7-v4-v3-v2 bottom - 0, 0, 1, 0, 1, 1, 0, 1 ] // v4-v7-v6-v5 back - ); - - // index array - var indices = new WebGLUnsignedByteArray( - [ 0, 1, 2, 0, 2, 3, // front - 4, 5, 6, 4, 6, 7, // right - 8, 9,10, 8,10,11, // top - 12,13,14, 12,14,15, // left - 16,17,18, 16,18,19, // bottom - 20,21,22, 20,22,23 ] // back - ); - - var retval = { }; - - retval.normalObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.normalObject); - ctx.bufferData(ctx.ARRAY_BUFFER, normals, ctx.STATIC_DRAW); - - retval.texCoordObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.texCoordObject); - ctx.bufferData(ctx.ARRAY_BUFFER, texCoords, ctx.STATIC_DRAW); - - retval.vertexObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.vertexObject); - ctx.bufferData(ctx.ARRAY_BUFFER, vertices, ctx.STATIC_DRAW); - - ctx.bindBuffer(ctx.ARRAY_BUFFER, 0); - - retval.indexObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, retval.indexObject); - ctx.bufferData(ctx.ELEMENT_ARRAY_BUFFER, indices, ctx.STATIC_DRAW); - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, 0); - - retval.numIndices = indices.length; - - return retval; -} - -// -// makeSphere -// -// Create a sphere with the passed number of latitude and longitude bands and the passed radius. -// Sphere has vertices, normals and texCoords. Create VBOs for each as well as the index array. -// Return an object with the following properties: -// -// normalObject WebGLBuffer object for normals -// texCoordObject WebGLBuffer object for texCoords -// vertexObject WebGLBuffer object for vertices -// indexObject WebGLBuffer object for indices -// numIndices The number of indices in the indexObject -// -function makeSphere(ctx, radius, lats, longs) -{ - var geometryData = [ ]; - var normalData = [ ]; - var texCoordData = [ ]; - var indexData = [ ]; - - for (var latNumber = 0; latNumber <= lats; ++latNumber) { - for (var longNumber = 0; longNumber <= longs; ++longNumber) { - var theta = latNumber * Math.PI / lats; - var phi = longNumber * 2 * Math.PI / longs; - var sinTheta = Math.sin(theta); - var sinPhi = Math.sin(phi); - var cosTheta = Math.cos(theta); - var cosPhi = Math.cos(phi); - - var x = cosPhi * sinTheta; - var y = cosTheta; - var z = sinPhi * sinTheta; - var u = 1-(longNumber/longs); - var v = latNumber/lats; - - normalData.push(x); - normalData.push(y); - normalData.push(z); - texCoordData.push(u); - texCoordData.push(v); - geometryData.push(radius * x); - geometryData.push(radius * y); - geometryData.push(radius * z); - } - } - - longs += 1; - for (var latNumber = 0; latNumber < lats; ++latNumber) { - for (var longNumber = 0; longNumber < longs; ++longNumber) { - var first = (latNumber * longs) + (longNumber % longs); - var second = first + longs; - indexData.push(first); - indexData.push(second); - indexData.push(first+1); - - indexData.push(second); - indexData.push(second+1); - indexData.push(first+1); - } - } - - var retval = { }; - - retval.normalObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.normalObject); - ctx.bufferData(ctx.ARRAY_BUFFER, new WebGLFloatArray(normalData), ctx.STATIC_DRAW); - - retval.texCoordObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.texCoordObject); - ctx.bufferData(ctx.ARRAY_BUFFER, new WebGLFloatArray(texCoordData), ctx.STATIC_DRAW); - - retval.vertexObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, retval.vertexObject); - ctx.bufferData(ctx.ARRAY_BUFFER, new WebGLFloatArray(geometryData), ctx.STATIC_DRAW); - - retval.numIndices = indexData.length; - retval.indexObject = ctx.createBuffer(); - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, retval.indexObject); - ctx.bufferData(ctx.ELEMENT_ARRAY_BUFFER, new WebGLUnsignedShortArray(indexData), ctx.STREAM_DRAW); - - return retval; -} - -// -// loadObj -// -// Load a .obj file from the passed URL. Return an object with a 'loaded' property set to false. -// When the object load is complete, the 'loaded' property becomes true and the following -// properties are set: -// -// normalObject WebGLBuffer object for normals -// texCoordObject WebGLBuffer object for texCoords -// vertexObject WebGLBuffer object for vertices -// indexObject WebGLBuffer object for indices -// numIndices The number of indices in the indexObject -// -function loadObj(ctx, url) -{ - var obj = { loaded : false }; - obj.ctx = ctx; - var req = new XMLHttpRequest(); - req.obj = obj; - req.onreadystatechange = function () { processLoadObj(req) }; - req.open("GET", url, true); - req.send(null); - return obj; -} - -function processLoadObj(req) -{ - console.log("req="+req) - // only if req shows "complete" - if (req.readyState == 4) { - doLoadObj(req.obj, req.responseText); - } -} - -function doLoadObj(obj, text) -{ - vertexArray = [ ]; - normalArray = [ ]; - textureArray = [ ]; - indexArray = [ ]; - - var vertex = [ ]; - var normal = [ ]; - var texture = [ ]; - var facemap = { }; - var index = 0; - - var lines = text.split("\n"); - for (var lineIndex in lines) { - var line = lines[lineIndex].replace(/[ \t]+/g, " ").replace(/\s\s*$/, ""); - - // ignore comments - if (line[0] == "#") - continue; - - var array = line.split(" "); - if (array[0] == "v") { - // vertex - vertex.push(parseFloat(array[1])); - vertex.push(parseFloat(array[2])); - vertex.push(parseFloat(array[3])); - } - else if (array[0] == "vt") { - // normal - texture.push(parseFloat(array[1])); - texture.push(parseFloat(array[2])); - } - else if (array[0] == "vn") { - // normal - normal.push(parseFloat(array[1])); - normal.push(parseFloat(array[2])); - normal.push(parseFloat(array[3])); - } - else if (array[0] == "f") { - // face - if (array.length != 4) { - console.log("*** Error: face '"+line+"' not handled"); - continue; - } - - for (var i = 1; i < 4; ++i) { - if (!(array[i] in facemap)) { - // add a new entry to the map and arrays - var f = array[i].split("/"); - var vtx, nor, tex; - - if (f.length == 1) { - vtx = parseInt(f[0]) - 1; - nor = vtx; - tex = vtx; - } - else if (f.length = 3) { - vtx = parseInt(f[0]) - 1; - tex = parseInt(f[1]) - 1; - nor = parseInt(f[2]) - 1; - } - else { - console.log("*** Error: did not understand face '"+array[i]+"'"); - return null; - } - - // do the vertices - var x = 0; - var y = 0; - var z = 0; - if (vtx * 3 + 2 < vertex.length) { - x = vertex[vtx*3]; - y = vertex[vtx*3+1]; - z = vertex[vtx*3+2]; - } - vertexArray.push(x); - vertexArray.push(y); - vertexArray.push(z); - - // do the textures - x = 0; - y = 0; - if (tex * 2 + 1 < texture.length) { - x = texture[tex*2]; - y = texture[tex*2+1]; - } - textureArray.push(x); - textureArray.push(y); - - // do the normals - x = 0; - y = 0; - z = 1; - if (nor * 3 + 2 < normal.length) { - x = normal[nor*3]; - y = normal[nor*3+1]; - z = normal[nor*3+2]; - } - normalArray.push(x); - normalArray.push(y); - normalArray.push(z); - - facemap[array[i]] = index++; - } - - indexArray.push(facemap[array[i]]); - } - } - } - - // set the VBOs - obj.normalObject = obj.ctx.createBuffer(); - obj.ctx.bindBuffer(obj.ctx.ARRAY_BUFFER, obj.normalObject); - obj.ctx.bufferData(obj.ctx.ARRAY_BUFFER, new WebGLFloatArray(normalArray), obj.ctx.STATIC_DRAW); - - obj.texCoordObject = obj.ctx.createBuffer(); - obj.ctx.bindBuffer(obj.ctx.ARRAY_BUFFER, obj.texCoordObject); - obj.ctx.bufferData(obj.ctx.ARRAY_BUFFER, new WebGLFloatArray(textureArray), obj.ctx.STATIC_DRAW); - - obj.vertexObject = obj.ctx.createBuffer(); - obj.ctx.bindBuffer(obj.ctx.ARRAY_BUFFER, obj.vertexObject); - obj.ctx.bufferData(obj.ctx.ARRAY_BUFFER, new WebGLFloatArray(vertexArray), obj.ctx.STATIC_DRAW); - - obj.numIndices = indexArray.length; - obj.indexObject = obj.ctx.createBuffer(); - obj.ctx.bindBuffer(obj.ctx.ELEMENT_ARRAY_BUFFER, obj.indexObject); - obj.ctx.bufferData(obj.ctx.ELEMENT_ARRAY_BUFFER, new WebGLUnsignedShortArray(indexArray), obj.ctx.STREAM_DRAW); - - obj.loaded = true; -} - -// -// loadImageTexture -// -// Load the image at the passed url, place it in a new WebGLTexture object and return the WebGLTexture. -// -function loadImageTexture(ctx, url) -{ - var texture = ctx.createTexture(); - texture.image = new Image(); - texture.image.onload = function() { doLoadImageTexture(ctx, texture.image, texture) } - texture.image.src = url; - return texture; -} - -function doLoadImageTexture(ctx, image, texture) -{ - ctx.enable(ctx.TEXTURE_2D); - ctx.bindTexture(ctx.TEXTURE_2D, texture); - ctx.texImage2D(ctx.TEXTURE_2D, 0, image); - ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_MAG_FILTER, ctx.LINEAR); - ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_MIN_FILTER, ctx.LINEAR_MIPMAP_LINEAR); - ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_WRAP_S, ctx.CLAMP_TO_EDGE); - ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_WRAP_T, ctx.CLAMP_TO_EDGE); - ctx.generateMipmap(ctx.TEXTURE_2D) - ctx.bindTexture(ctx.TEXTURE_2D, 0); -} - -// -// Framerate object -// -// This object keeps track of framerate and displays it as the innerHTML text of the -// HTML element with the passed id. Once created you call snapshot at the end -// of every rendering cycle. Every 500ms the framerate is updated in the HTML element. -// -Framerate = function(id) -{ - this.numFramerates = 10; - this.framerateUpdateInterval = 500; - this.id = id; - - this.renderTime = -1; - this.framerates = [ ]; - self = this; - var fr = function() { self.updateFramerate() } - setInterval(fr, this.framerateUpdateInterval); -} - -Framerate.prototype.updateFramerate = function() -{ - var tot = 0; - for (var i = 0; i < this.framerates.length; ++i) - tot += this.framerates[i]; - - var framerate = tot / this.framerates.length; - framerate = Math.round(framerate); - document.getElementById(this.id).innerHTML = "Framerate:"+framerate+"fps"; -} - -Framerate.prototype.snapshot = function() -{ - if (this.renderTime < 0) - this.renderTime = new Date().getTime(); - else { - var newTime = new Date().getTime(); - var t = newTime - this.renderTime; - var framerate = 1000/t; - this.framerates.push(framerate); - while (this.framerates.length > this.numFramerates) - this.framerates.shift(); - this.renderTime = newTime; - } -} |
