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Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/simplereference/sglrShaderProgram.js | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/simplereference/sglrShaderProgram.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/simplereference/sglrShaderProgram.js new file mode 100644 index 0000000000..f5201a5315 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/simplereference/sglrShaderProgram.js @@ -0,0 +1,336 @@ +/*------------------------------------------------------------------------- + * drawElements Quality 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.simplereference.sglrShaderProgram'); +goog.require('framework.common.tcuTexture'); +goog.require('framework.common.tcuTextureUtil'); +goog.require('framework.delibs.debase.deMath'); +goog.require('framework.opengl.gluShaderUtil'); +goog.require('framework.opengl.gluTextureUtil'); +goog.require('framework.referencerenderer.rrDefs'); +goog.require('framework.referencerenderer.rrFragmentOperations'); +goog.require('framework.referencerenderer.rrGenericVector'); +goog.require('framework.referencerenderer.rrShaders'); +goog.require('framework.referencerenderer.rrShadingContext'); +goog.require('framework.referencerenderer.rrVertexAttrib'); +goog.require('framework.referencerenderer.rrVertexPacket'); + +goog.scope(function() { + + var sglrShaderProgram = framework.opengl.simplereference.sglrShaderProgram; + var rrShaders = framework.referencerenderer.rrShaders; + var rrGenericVector = framework.referencerenderer.rrGenericVector; + var tcuTexture = framework.common.tcuTexture; + var deMath = framework.delibs.debase.deMath; + var gluTextureUtil = framework.opengl.gluTextureUtil; + var gluShaderUtil = framework.opengl.gluShaderUtil; + var tcuTextureUtil = framework.common.tcuTextureUtil; + var rrDefs = framework.referencerenderer.rrDefs; + var rrFragmentOperations = framework.referencerenderer.rrFragmentOperations; + var rrVertexAttrib = framework.referencerenderer.rrVertexAttrib; + var rrVertexPacket = framework.referencerenderer.rrVertexPacket; + var rrShadingContext = framework.referencerenderer.rrShadingContext; + + var DE_ASSERT = function(x) { + if (!x) + throw new Error('Assert failed'); + }; + + /** + * sglrShaderProgram.VaryingFlags + * @constructor + * @struct + */ + sglrShaderProgram.VaryingFlags = function() { + this.NONE = true; //TODO: is NONE necessary? + this.FLATSHADE = false; + }; + + /** + * sglrShaderProgram.VertexAttribute + * @constructor + * @param {string} name_ + * @param {rrGenericVector.GenericVecType} type_ + */ + sglrShaderProgram.VertexAttribute = function(name_, type_) { + this.name = name_; + this.type = type_; + }; + + /** + * sglrShaderProgram.VertexToFragmentVarying + * @constructor + * @param {rrGenericVector.GenericVecType} type_ + * @param {sglrShaderProgram.VaryingFlags=} flags + */ + sglrShaderProgram.VertexToFragmentVarying = function(type_, flags) { + this.type = type_; + this.flatshade = flags === undefined ? new sglrShaderProgram.VaryingFlags().FLATSHADE : flags.FLATSHADE; + }; + + /** + * sglrShaderProgram.FragmentOutput + * @constructor + * @param {rrGenericVector.GenericVecType} type_ + */ + sglrShaderProgram.FragmentOutput = function(type_) { + /** @type {rrGenericVector.GenericVecType} */ this.type = type_; + }; + + /** + * sglrShaderProgram.Uniform + * @constructor + * @param {string} name_ + * @param {gluShaderUtil.DataType} type_ + */ + sglrShaderProgram.Uniform = function(name_, type_) { + /** @type {string} */ this.name = name_; + /** @type {gluShaderUtil.DataType} */ this.type = type_; + /** @type {Array<number>} */ this.value; + /** @type {?rrDefs.Sampler} */ this.sampler = null; + }; + + /** + * sglrShaderProgram.VertexSource + * @constructor + * @param {string} str + */ + sglrShaderProgram.VertexSource = function(str) { + /** @type {string} */ this.source = str; + }; + + /** + * sglrShaderProgram.FragmentSource + * @constructor + * @param {string} str + */ + sglrShaderProgram.FragmentSource = function(str) { + /** @type {string} */ this.source = str; + }; + + /** + * sglrShaderProgram.ShaderProgramDeclaration + * @constructor + */ + sglrShaderProgram.ShaderProgramDeclaration = function() { + /** @type {Array<sglrShaderProgram.VertexAttribute>} */ this.m_vertexAttributes = []; + /** @type {Array<sglrShaderProgram.VertexToFragmentVarying>} */ this.m_vertexToFragmentVaryings = []; + /** @type {Array<sglrShaderProgram.FragmentOutput>} */ this.m_fragmentOutputs = []; + /** @type {Array<sglrShaderProgram.Uniform>} */ this.m_uniforms = []; + /** @type {string} */ this.m_vertexSource; + /** @type {string} */ this.m_fragmentSource; + + /** @type {boolean} */ this.m_vertexShaderSet = false; + /** @type {boolean} */ this.m_fragmentShaderSet = false; + }; + + /** + * Add a vertex attribute to the shader program declaration. + * @param {sglrShaderProgram.VertexAttribute} v + * @return {sglrShaderProgram.ShaderProgramDeclaration} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.pushVertexAttribute = function(v) { + this.m_vertexAttributes.push(v); + return this; + }; + + /** + * Add a vertex to fragment varying to the shader program declaration. + * @param {sglrShaderProgram.VertexToFragmentVarying} v + * @return {sglrShaderProgram.ShaderProgramDeclaration} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.pushVertexToFragmentVarying = function(v) { + this.m_vertexToFragmentVaryings.push(v); + return this; + }; + + /** + * Add a fragment output to the shader program declaration. + * @param {sglrShaderProgram.FragmentOutput} v + * @return {sglrShaderProgram.ShaderProgramDeclaration} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.pushFragmentOutput = function(v) { + this.m_fragmentOutputs.push(v); + return this; + }; + + /** + * Add a uniform to the shader program declaration. + * @param {sglrShaderProgram.Uniform} v + * @return {sglrShaderProgram.ShaderProgramDeclaration} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.pushUniform = function(v) { + this.m_uniforms.push(v); + return this; + }; + + /** + * @param {sglrShaderProgram.VertexSource} c + * @return {sglrShaderProgram.ShaderProgramDeclaration} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.pushVertexSource = function(c) { + DE_ASSERT(!this.m_vertexShaderSet); + this.m_vertexSource = c.source; + this.m_vertexShaderSet = true; + return this; + }; + + /** + * @param {sglrShaderProgram.FragmentSource} c + * @return {sglrShaderProgram.ShaderProgramDeclaration} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.pushFragmentSource = function(c) { + DE_ASSERT(!this.m_fragmentSource); + /** @type {sglrShaderProgram.FragmentSource} */ this.m_fragmentSource = c.source; + /** @type {boolean} */ this.m_fragmentShaderSet = true; + return this; + }; + + /** + * @return {boolean} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.valid = function() { + if (!this.m_vertexShaderSet || !this.m_fragmentShaderSet) + return false; + + if (this.m_fragmentOutputs.length == 0) + return false; + + return true; + }; + + /** + * @return {number} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.getVertexInputCount = function() { + return this.m_vertexAttributes.length; + }; + + /** + * @return {number} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.getVertexOutputCount = function() { + return this.m_vertexToFragmentVaryings.length; + }; + + /** + * @return {number} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.getFragmentInputCount = function() { + return this.m_vertexToFragmentVaryings.length; + }; + + /** + * @return {number} + */ + sglrShaderProgram.ShaderProgramDeclaration.prototype.getFragmentOutputCount = function() { + return this.m_fragmentOutputs.length; + }; + + /** + * @constructor + * @param {sglrShaderProgram.ShaderProgramDeclaration} decl + */ + sglrShaderProgram.ShaderProgram = function(decl) { + /** @type {rrShaders.VertexShader} */ this.vertexShader = new rrShaders.VertexShader(decl.getVertexInputCount(), decl.getVertexOutputCount()); + /** @type {rrShaders.FragmentShader} */ this.fragmentShader = new rrShaders.FragmentShader(decl.getFragmentInputCount(), decl.getFragmentOutputCount()); + + /** @type {Array<string>} */ this.m_attributeNames = []; + /** @type {Array<sglrShaderProgram.Uniform>} */ this.m_uniforms = []; + /** @type {string} */ this.m_vertSrc = decl.m_vertexSource; + /** @type {string} */ this.m_fragSrc = decl.m_fragmentSource; + + DE_ASSERT(decl.valid()); + + // Set up shader IO + + for (var ndx = 0; ndx < decl.m_vertexAttributes.length; ++ndx) { + this.vertexShader.m_inputs[ndx].type = decl.m_vertexAttributes[ndx].type; + this.m_attributeNames[ndx] = decl.m_vertexAttributes[ndx].name; + } + + for (var ndx = 0; ndx < decl.m_vertexToFragmentVaryings.length; ++ndx) { + this.vertexShader.m_outputs[ndx].type = decl.m_vertexToFragmentVaryings[ndx].type; + this.vertexShader.m_outputs[ndx].flatshade = decl.m_vertexToFragmentVaryings[ndx].flatshade; + + this.fragmentShader.m_inputs[ndx] = this.vertexShader.m_outputs[ndx]; + } + + for (var ndx = 0; ndx < decl.m_fragmentOutputs.length; ++ndx) + this.fragmentShader.m_outputs[ndx].type = decl.m_fragmentOutputs[ndx].type; + + // Set up uniforms + + for (var ndx = 0; ndx < decl.m_uniforms.length; ++ndx) + this.m_uniforms[ndx] = new sglrShaderProgram.Uniform(decl.m_uniforms[ndx].name, decl.m_uniforms[ndx].type); + }; + + /** + * @return {rrShaders.VertexShader} + */ + sglrShaderProgram.ShaderProgram.prototype.getVertexShader = function() { + return this.vertexShader; + }; + + /** + * @return {rrShaders.FragmentShader} + */ + sglrShaderProgram.ShaderProgram.prototype.getFragmentShader = function() { + return this.fragmentShader; + }; + + /** + * @param {string} name + * @return {sglrShaderProgram.Uniform} + * @throws {Error} + */ + sglrShaderProgram.ShaderProgram.prototype.getUniformByName = function(name) { + DE_ASSERT(name); + + for (var ndx = 0; ndx < this.m_uniforms.length; ++ndx) + if (this.m_uniforms[ndx].name == name) + return this.m_uniforms[ndx]; + + throw new Error('Invalid uniform name, uniform not found.'); + }; + + /** + * shadeFragments - abstract function, to be implemented by children classes + * @param {Array<rrFragmentOperations.Fragment>} packets + * @param {rrShadingContext.FragmentShadingContext} context + * @throws {Error} + */ + sglrShaderProgram.ShaderProgram.prototype.shadeFragments = function(packets, context) { + throw new Error('This function needs to be overwritten in a child class.'); + }; + + /** + * shadeVertices - abstract function, to be implemented by children classes + * @param {Array<rrVertexAttrib.VertexAttrib>} inputs + * @param {Array<rrVertexPacket.VertexPacket>} packets + * @param {number} numPackets + * @throws {Error} + */ + sglrShaderProgram.ShaderProgram.prototype.shadeVertices = function(inputs, packets, numPackets) { + throw new Error('This function needs to be overwritten in a child class.'); + }; + +}); |