1 files changed, 488 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluShaderProgram.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluShaderProgram.js
new file mode 100644
index 0000000000..0c340ee380
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluShaderProgram.js
@@ -0,0 +1,488 @@
+/*-------------------------------------------------------------------------
+ * drawElements Quality gluShaderProgram.Program OpenGL ES Utilities
+ * ------------------------------------------------
+ *
+ * Copyright 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+'use strict';
+goog.provide('framework.opengl.gluShaderProgram');
+
+goog.scope(function() {
+
+var gluShaderProgram = framework.opengl.gluShaderProgram;
+
+/**
+ * gluShaderProgram.Shader type enum
+ * @enum {number}
+ */
+gluShaderProgram.shaderType = {
+    VERTEX: 0,
+    FRAGMENT: 1
+};
+
+/**
+ * gluShaderProgram.Shader type enum name
+ * @param {gluShaderProgram.shaderType} shaderType
+ * @return {string}
+ */
+gluShaderProgram.getShaderTypeName = function(shaderType) {
+    var s_names =
+    [
+        'vertex',
+        'fragment'
+    ];
+
+    return s_names[shaderType];
+};
+
+/**
+ * Get GL shader type from gluShaderProgram.shaderType
+ * @param {WebGL2RenderingContext} gl WebGL context
+ * @param {gluShaderProgram.shaderType} type gluShaderProgram.Shader Type
+ * @return {number} GL shader type
+ */
+gluShaderProgram.getGLShaderType = function(gl, type) {
+    var _glShaderType;
+    switch (type) {
+    case gluShaderProgram.shaderType.VERTEX: _glShaderType = gl.VERTEX_SHADER; break;
+    case gluShaderProgram.shaderType.FRAGMENT: _glShaderType = gl.FRAGMENT_SHADER; break;
+    default:
+        throw new Error('Unknown shader type ' + type);
+    }
+    return _glShaderType;
+};
+
+/**
+ * Declares shader information
+ * @constructor
+ * @param {gluShaderProgram.shaderType} type
+ * @param {string=} source
+ */
+gluShaderProgram.ShaderInfo = function(type, source) {
+    this.type = type; /** gluShaderProgram.Shader type. */
+    this.source = source; /** gluShaderProgram.Shader source. */
+    this.infoLog; /** Compile info log. */
+    this.compileOk = false; /** Did compilation succeed? */
+    this.compileTimeUs = 0; /** Compile time in microseconds (us). */
+};
+
+/**
+ * Generates vertex shader info from source
+ * @param {string} source
+ * @return {gluShaderProgram.ShaderInfo} vertex shader info
+ */
+gluShaderProgram.genVertexSource = function(source) {
+/** @type {gluShaderProgram.ShaderInfo} */ var shader = new gluShaderProgram.ShaderInfo(gluShaderProgram.shaderType.VERTEX, source);
+    return shader;
+};
+
+/**
+ * Generates fragment shader info from source
+ * @param {string} source
+ * @return {gluShaderProgram.ShaderInfo} fragment shader info
+ */
+gluShaderProgram.genFragmentSource = function(source) {
+/** @type {gluShaderProgram.ShaderInfo} */ var shader = new gluShaderProgram.ShaderInfo(gluShaderProgram.shaderType.FRAGMENT, source);
+    return shader;
+};
+
+/**
+ * Generates shader from WebGL context and type
+ * @constructor
+ * @param {WebGL2RenderingContext} gl WebGL context
+ * @param {gluShaderProgram.shaderType} type gluShaderProgram.Shader Type
+ */
+gluShaderProgram.Shader = function(gl, type) {
+    this.gl = gl;
+    this.info = new gluShaderProgram.ShaderInfo(type); /** Client-side clone of state for debug / perf reasons. */
+    this.shader = gl.createShader(gluShaderProgram.getGLShaderType(gl, type));
+    assertMsgOptions(gl.getError() == gl.NO_ERROR, 'gl.createShader()', false, true);
+
+    this.setSources = function(source) {
+        this.gl.shaderSource(this.shader, source);
+        assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'glshaderSource()', false, true);
+        this.info.source = source;
+    };
+
+    this.getCompileStatus = function() {
+        return this.info.compileOk;
+    };
+
+    this.compile = function() {
+        this.info.compileOk = false;
+        this.info.compileTimeUs = 0;
+        this.info.infoLog = '';
+
+        /** @type {Date} */ var compileStart = new Date();
+        this.gl.compileShader(this.shader);
+        /** @type {Date} */ var compileEnd = new Date();
+        this.info.compileTimeUs = 1000 * (compileEnd.getTime() - compileStart.getTime());
+
+        assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.compileShader()', false, true);
+
+        var compileStatus = this.gl.getShaderParameter(this.shader, this.gl.COMPILE_STATUS);
+        assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'glGetShaderParameter()', false, true);
+
+        this.info.compileOk = compileStatus;
+        this.info.infoLog = this.gl.getShaderInfoLog(this.shader);
+    };
+
+    this.getShader = function() {
+        return this.shader;
+    };
+
+    this.destroy = function() {
+        this.gl.deleteShader(this.shader);
+    };
+
+};
+/**
+ * Creates gluShaderProgram.ProgramInfo
+ * @constructor
+ */
+gluShaderProgram.ProgramInfo = function() {
+    /** @type {string} */  this.infoLog = ''; /** Link info log. */
+    /** @type {boolean} */ this.linkOk = false; /** Did link succeed? */
+    /** @type {number} */ this.linkTimeUs = 0; /** Link time in microseconds (us). */
+};
+
+/**
+ * Creates program.
+ * Inner methods: attach shaders, bind attributes location, link program and transform Feedback Varyings
+ * @constructor
+ * @param {WebGL2RenderingContext} gl WebGL context
+ * @param {WebGLProgram=} programID
+ */
+gluShaderProgram.Program = function(gl, programID) {
+    this.gl = gl;
+    this.program = programID || null;
+    this.info = new gluShaderProgram.ProgramInfo();
+
+    if (!programID) {
+        this.program = gl.createProgram();
+        assertMsgOptions(gl.getError() == gl.NO_ERROR, 'gl.createProgram()', false, true);
+    }
+};
+
+/**
+ * @return {WebGLProgram}
+ */
+gluShaderProgram.Program.prototype.getProgram = function() { return this.program; };
+
+/**
+ * @return {gluShaderProgram.ProgramInfo}
+ */
+gluShaderProgram.Program.prototype.getInfo = function() { return this.info; };
+
+/**
+ * @param {WebGLShader} shader
+ */
+gluShaderProgram.Program.prototype.attachShader = function(shader) {
+    this.gl.attachShader(this.program, shader);
+    assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.attachShader()', false, true);
+};
+
+/**
+ * @param {WebGLShader} shader
+ */
+gluShaderProgram.Program.prototype.detachShader = function(shader) {
+    this.gl.detachShader(this.program, shader);
+    assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.detachShader()', false, true);
+};
+
+/**
+ * @param {number} location
+ * @param {string} name
+ */
+gluShaderProgram.Program.prototype.bindAttribLocation = function(location, name) {
+    this.gl.bindAttribLocation(this.program, location, name);
+    assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.bindAttribLocation()', false, true);
+};
+
+gluShaderProgram.Program.prototype.link = function() {
+    this.info.linkOk = false;
+    this.info.linkTimeUs = 0;
+    this.info.infoLog = '';
+
+    /** @type {Date} */ var linkStart = new Date();
+    this.gl.linkProgram(this.program);
+    /** @type {Date} */ var linkEnd = new Date();
+    this.info.linkTimeUs = 1000 * (linkEnd.getTime() - linkStart.getTime());
+
+    assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.linkProgram()', false, true);
+
+    var linkStatus = this.gl.getProgramParameter(this.program, this.gl.LINK_STATUS);
+    assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.getProgramParameter()', false, true);
+    this.info.linkOk = linkStatus;
+    this.info.infoLog = this.gl.getProgramInfoLog(this.program);
+    if (!this.info.linkOk)
+        bufferedLogToConsole("program linking: " + this.info.infoLog);
+};
+
+/**
+ * return {boolean}
+ */
+gluShaderProgram.Program.prototype.getLinkStatus = function() {
+    return this.info.linkOk;
+};
+
+/**
+ * @param {Array<string>} varyings
+ * @param {number} bufferMode
+ */
+gluShaderProgram.Program.prototype.transformFeedbackVaryings = function(varyings, bufferMode) {
+    this.gl.transformFeedbackVaryings(this.program, varyings, bufferMode);
+    assertMsgOptions(this.gl.getError() == this.gl.NO_ERROR, 'gl.transformFeedbackVaryings()', false, true);
+};
+
+/**
+ * Assigns gl WebGL context and programSources. Declares array of shaders and new program()
+ * @constructor
+ * @param {WebGL2RenderingContext} gl WebGL context
+ * @param {gluShaderProgram.ProgramSources} programSources
+ */
+gluShaderProgram.ShaderProgram = function(gl, programSources) {
+    this.gl = gl;
+    this.programSources = programSources;
+    this.shaders = [];
+    this.program = new gluShaderProgram.Program(gl);
+
+    /** @type {boolean} */ this.shadersOK = true;
+
+    for (var i = 0; i < programSources.sources.length; i++) {
+    /** @type {gluShaderProgram.Shader} */ var shader = new gluShaderProgram.Shader(gl, programSources.sources[i].type);
+        shader.setSources(programSources.sources[i].source);
+        shader.compile();
+        this.shaders.push(shader);
+        this.shadersOK = this.shadersOK && shader.getCompileStatus();
+        if (!shader.getCompileStatus()) {
+            bufferedLogToConsole('gluShaderProgram.Shader:\n' + programSources.sources[i].source);
+            bufferedLogToConsole('Compile status: ' + shader.getCompileStatus());
+            bufferedLogToConsole('Shader infoLog: ' + shader.info.infoLog);
+        }
+    }
+
+    if (this.shadersOK) {
+        for (var i = 0; i < this.shaders.length; i++)
+            this.program.attachShader(this.shaders[i].getShader());
+
+        for (var attrib in programSources.attribLocationBindings)
+            this.program.bindAttribLocation(programSources.attribLocationBindings[attrib], attrib);
+
+        if (programSources.transformFeedbackBufferMode)
+            if (programSources.transformFeedbackBufferMode === gl.NONE)
+                assertMsgOptions(programSources.transformFeedbackVaryings.length === 0, 'Transform feedback sanity check', false, true);
+            else
+                this.program.transformFeedbackVaryings(programSources.transformFeedbackVaryings, programSources.transformFeedbackBufferMode);
+
+        /* TODO: GLES 3.1: set separable flag */
+
+        this.program.link();
+
+    }
+};
+
+/**
+ * return {WebGLProgram}
+ */
+gluShaderProgram.ShaderProgram.prototype.getProgram = function() {
+    return this.program.program;
+    };
+
+/**
+ * @return {gluShaderProgram.ProgramInfo}
+ */
+gluShaderProgram.ShaderProgram.prototype.getProgramInfo = function() {
+    return this.program.info;
+};
+
+gluShaderProgram.ShaderProgram.prototype.isOk = function() {
+    return this.shadersOK && this.program.getLinkStatus();
+};
+
+gluShaderProgram.containerTypes = {
+    ATTRIB_LOCATION_BINDING: 0,
+    TRANSFORM_FEEDBACK_MODE: 1,
+    TRANSFORM_FEEDBACK_VARYING: 2,
+    TRANSFORM_FEEDBACK_VARYINGS: 3,
+    SHADER_SOURCE: 4,
+    PROGRAM_SEPARABLE: 5,
+    PROGRAM_SOURCES: 6,
+
+    CONTAINER_TYPE_LAST: 7,
+    ATTACHABLE_BEGIN: 0, // ATTRIB_LOCATION_BINDING
+    ATTACHABLE_END: 5 + 1 // PROGRAM_SEPARABLE + 1
+};
+
+/**
+ * @constructor
+ */
+gluShaderProgram.AttribLocationBinding = function(name, location) {
+    this.name = name;
+    this.location = location;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.ATTRIB_LOCATION_BINDING;
+    };
+};
+
+/**
+ * @constructor
+ */
+gluShaderProgram.TransformFeedbackMode = function(mode) {
+    this.mode = mode;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.TRANSFORM_FEEDBACK_MODE;
+    };
+};
+
+/**
+ * @constructor
+ * @param {string} name
+ */
+gluShaderProgram.TransformFeedbackVarying = function(name) {
+    /** @type {string} */ this.name = name;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.TRANSFORM_FEEDBACK_VARYING;
+    };
+};
+
+/**
+ * @constructor
+ * @param {Array<string>} array
+ */
+gluShaderProgram.TransformFeedbackVaryings = function(array) {
+    /** @type {Array<string>} */ this.array = array;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.TRANSFORM_FEEDBACK_VARYINGS;
+    };
+};
+
+/**
+ * @constructor
+ */
+gluShaderProgram.ProgramSeparable = function(separable) {
+    this.separable = separable;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.PROGRAM_SEPARABLE;
+    };
+};
+
+/**
+ * @constructor
+ */
+gluShaderProgram.VertexSource = function(str) {
+    this.shaderType = gluShaderProgram.shaderType.VERTEX;
+    this.source = str;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.SHADER_SOURCE;
+    };
+};
+
+/**
+ * @constructor
+ */
+gluShaderProgram.FragmentSource = function(str) {
+    this.shaderType = gluShaderProgram.shaderType.FRAGMENT;
+    this.source = str;
+
+    this.getContainerType = function() {
+        return gluShaderProgram.containerTypes.SHADER_SOURCE;
+    };
+};
+
+/**
+ * Create gluShaderProgram.ProgramSources.
+ * @constructor
+ */
+gluShaderProgram.ProgramSources = function() {
+    /** @type {Array<gluShaderProgram.ShaderInfo>} */ this.sources = [];
+    this.attribLocationBindings = [];
+    /** @type {Array<string>} */ this.transformFeedbackVaryings = [];
+    this.transformFeedbackBufferMode = 0;
+    this.separable = false;
+};
+
+gluShaderProgram.ProgramSources.prototype.getContainerType = function() {
+    return gluShaderProgram.containerTypes.PROGRAM_SOURCES;
+};
+
+gluShaderProgram.ProgramSources.prototype.add = function(item) {
+    var type = undefined;
+    if (typeof(item.getContainerType) == 'function') {
+        type = item.getContainerType();
+        if (
+            typeof(type) != 'number' ||
+            type < gluShaderProgram.containerTypes.ATTACHABLE_BEGIN ||
+            type >= gluShaderProgram.containerTypes.ATTACHABLE_END
+        ) {
+            type = undefined;
+        }
+    }
+
+    switch (type) {
+        case gluShaderProgram.containerTypes.ATTRIB_LOCATION_BINDING:
+            this.attribLocationBindings.push(item);
+            break;
+
+        case gluShaderProgram.containerTypes.TRANSFORM_FEEDBACK_MODE:
+            this.transformFeedbackBufferMode = item.mode;
+            break;
+
+        case gluShaderProgram.containerTypes.TRANSFORM_FEEDBACK_VARYING:
+            this.transformFeedbackVaryings.push(item.name);
+            break;
+
+        case gluShaderProgram.containerTypes.TRANSFORM_FEEDBACK_VARYINGS:
+            this.transformFeedbackVaryings = this.transformFeedbackVaryings.concat(item.array);
+            break;
+
+        case gluShaderProgram.containerTypes.SHADER_SOURCE:
+            this.sources.push(new gluShaderProgram.ShaderInfo(item.shaderType, item.source));
+            break;
+
+        case gluShaderProgram.containerTypes.PROGRAM_SEPARABLE:
+            this.separable = item.separable;
+            break;
+
+        default:
+            throw new Error('Type \"' + type + '\" cannot be added to gluShaderProgram.ProgramSources.');
+            break;
+    }
+
+    return this;
+};
+
+/**
+ * //! Helper for constructing vertex-fragment source pair.
+ * @param {string} vertexSrc
+ * @param {string} fragmentSrc
+ * @return {gluShaderProgram.ProgramSources}
+ */
+gluShaderProgram.makeVtxFragSources = function(vertexSrc, fragmentSrc) {
+    /** @type  {gluShaderProgram.ProgramSources} */ var sources = new gluShaderProgram.ProgramSources();
+    sources.sources.push(gluShaderProgram.genVertexSource(vertexSrc));
+    sources.sources.push(gluShaderProgram.genFragmentSource(fragmentSrc));
+    return sources;
+};
+
+});