mozilla-central/dom/canvas/test/webgl-conf/checkout/deqp/functional/gles3/es3fInstancedRenderingTests.js (file symbol)

Source code

Revision control

Copy as Markdown

Other Tools

/*-------------------------------------------------------------------------
* 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
*
*
* 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('functional.gles3.es3fInstancedRenderingTests');
goog.require('framework.common.tcuImageCompare');
goog.require('framework.common.tcuSurface');
goog.require('framework.common.tcuTestCase');
goog.require('framework.delibs.debase.deMath');
goog.require('framework.delibs.debase.deRandom');
goog.require('framework.delibs.debase.deString');
goog.require('framework.opengl.gluShaderProgram');
goog.require('framework.opengl.gluShaderUtil');
goog.require('framework.opengl.gluTextureUtil');
goog.scope(function() {
var es3fInstancedRenderingTests = functional.gles3.es3fInstancedRenderingTests;
var gluShaderUtil = framework.opengl.gluShaderUtil;
var gluShaderProgram = framework.opengl.gluShaderProgram;
var tcuTestCase = framework.common.tcuTestCase;
var tcuSurface = framework.common.tcuSurface;
var deString = framework.delibs.debase.deString;
var deRandom = framework.delibs.debase.deRandom;
var tcuImageCompare = framework.common.tcuImageCompare;
var gluTextureUtil = framework.opengl.gluTextureUtil;
var deMath = framework.delibs.debase.deMath;
/** @type {?WebGL2RenderingContext} */ var gl;
/** @const @type {number} */ es3fInstancedRenderingTests.MAX_RENDER_WIDTH = 128;
/** @const @type {number} */ es3fInstancedRenderingTests.MAX_RENDER_HEIGHT = 128;
/** @const @type {number} */ es3fInstancedRenderingTests.QUAD_GRID_SIZE = 127;
// Attribute divisors for the attributes defining the color's RGB components.
/** @const @type {number} */es3fInstancedRenderingTests.ATTRIB_DIVISOR_R = 3;
/** @const @type {number} */es3fInstancedRenderingTests.ATTRIB_DIVISOR_G = 2;
/** @const @type {number} */es3fInstancedRenderingTests.ATTRIB_DIVISOR_B = 1;
/** @const @type {number} */es3fInstancedRenderingTests.OFFSET_COMPONENTS = 3; // \note Affects whether a float or a vecN is used in shader, but only first component is non-zero.
// Scale and bias values when converting float to integer, when attribute is of integer type.
/** @const @type {number} */es3fInstancedRenderingTests.FLOAT_INT_SCALE = 100.0;
/** @const @type {number} */es3fInstancedRenderingTests.FLOAT_INT_BIAS = -50.0;
/** @const @type {number} */es3fInstancedRenderingTests.FLOAT_UINT_SCALE = 100.0;
/** @const @type {number} */es3fInstancedRenderingTests.FLOAT_UINT_BIAS = 0.0;
var DE_ASSERT = function(expression) {
if (!expression) throw new Error('Assert failed');
};
es3fInstancedRenderingTests.TCU_FAIL = function(message) {
throw new Error(message);
};
// es3fInstancedRenderingTests.InstancedRenderingCase
/**
* es3fInstancedRenderingTests.DrawFunction
* @enum {number}
*/
es3fInstancedRenderingTests.DrawFunction = {
FUNCTION_DRAW_ARRAYS_INSTANCED: 0,
FUNCTION_DRAW_ELEMENTS_INSTANCED: 1
};
/**
* es3fInstancedRenderingTests.InstancingType
* @enum {number}
*/
es3fInstancedRenderingTests.InstancingType = {
TYPE_INSTANCE_ID: 0,
TYPE_ATTRIB_DIVISOR: 1,
TYPE_MIXED: 2
};
/**
* es3fInstancedRenderingTests.InstancedRenderingCase class, inherits from TestCase class
* @constructor
* @extends {tcuTestCase.DeqpTest}
* @param {string} name
* @param {string} description
* @param {es3fInstancedRenderingTests.DrawFunction} drawFunction
* @param {es3fInstancedRenderingTests.InstancingType} instancingType
* @param {gluShaderUtil.DataType} rgbAttrType
* @param {number} numInstances
*/
es3fInstancedRenderingTests.InstancedRenderingCase = function(name, description, drawFunction, instancingType, rgbAttrType, numInstances) {
tcuTestCase.DeqpTest.call(this, name, description);
/** @type {es3fInstancedRenderingTests.DrawFunction} */ this.m_function = drawFunction;
/** @type {es3fInstancedRenderingTests.InstancingType} */ this.m_instancingType = instancingType;
/** @type {gluShaderUtil.DataType} */ this.m_rgbAttrType = rgbAttrType;
/** @type {number} */ this.m_numInstances = numInstances;
/** @type {gluShaderProgram.ShaderProgram} */ this.m_program = null;
/** @type {Array<number>} */ this.m_gridVertexPositions = [];
/** @type {Array<number>} */ this.m_gridIndices = [];
/** @type {Array<number>} */ this.m_instanceOffsets = [];
/** @type {Array<number>} */ this.m_instanceColorR = [];
/** @type {Array<number>} */ this.m_instanceColorG = [];
/** @type {Array<number>} */ this.m_instanceColorB = [];
};
es3fInstancedRenderingTests.InstancedRenderingCase.prototype = Object.create(tcuTestCase.DeqpTest.prototype);
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.constructor = es3fInstancedRenderingTests.InstancedRenderingCase;
/**
* Helper function that does biasing and scaling when converting float to integer.
* @param {Array<number>} vec
* @param {number} val
*/
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.pushVarCompAttrib = function(vec, val) {
var isFloatCase = gluShaderUtil.isDataTypeFloatOrVec(this.m_rgbAttrType);
var isIntCase = gluShaderUtil.isDataTypeIntOrIVec(this.m_rgbAttrType);
var isUintCase = gluShaderUtil.isDataTypeUintOrUVec(this.m_rgbAttrType);
var isMatCase = gluShaderUtil.isDataTypeMatrix(this.m_rgbAttrType);
if (isFloatCase || isMatCase)
vec.push(val);
else if (isIntCase)
vec.push(val * es3fInstancedRenderingTests.FLOAT_INT_SCALE + es3fInstancedRenderingTests.FLOAT_INT_BIAS);
else if (isUintCase)
vec.push(val * es3fInstancedRenderingTests.FLOAT_UINT_SCALE + es3fInstancedRenderingTests.FLOAT_UINT_BIAS);
else
throw new Error('Invalid attribute type.');
};
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.init = function() {
// Clear errors from previous tests
gl.getError();
/** @type {boolean} */ var isFloatCase = gluShaderUtil.isDataTypeFloatOrVec(this.m_rgbAttrType);
/** @type {boolean} */ var isIntCase = gluShaderUtil.isDataTypeIntOrIVec(this.m_rgbAttrType);
/** @type {boolean} */ var isUintCase = gluShaderUtil.isDataTypeUintOrUVec(this.m_rgbAttrType);
/** @type {boolean} */ var isMatCase = gluShaderUtil.isDataTypeMatrix(this.m_rgbAttrType);
/** @type {number} */ var typeSize = gluShaderUtil.getDataTypeScalarSize(this.m_rgbAttrType);
/** @type {boolean} */ var isScalarCase = typeSize == 1;
/** @type {string} */ var swizzleFirst = isScalarCase ? '' : '.x';
/** @type {string} */ var typeName = gluShaderUtil.getDataTypeName(this.m_rgbAttrType);
/** @type {string} */ var floatIntScaleStr = '(' + es3fInstancedRenderingTests.FLOAT_INT_SCALE.toFixed(3) + ')';
/** @type {string} */ var floatIntBiasStr = '(' + es3fInstancedRenderingTests.FLOAT_INT_BIAS.toFixed(3) + ')';
/** @type {string} */ var floatUintScaleStr = '(' + es3fInstancedRenderingTests.FLOAT_UINT_SCALE.toFixed(3) + ')';
/** @type {string} */ var floatUintBiasStr = '(' + es3fInstancedRenderingTests.FLOAT_UINT_BIAS.toFixed(3) + ')';
DE_ASSERT(isFloatCase || isIntCase || isUintCase || isMatCase);
// Generate shader.
// \note For case TYPE_MIXED, vertex position offset and color red component get their values from instance id, while green and blue get their values from instanced attributes.
/** @type {string} */ var numInstancesStr = this.m_numInstances.toString() + '.0';
/** @type {string} */ var instanceAttribs = '';
/** @type {string} */ var posExpression = '';
/** @type {string} */ var colorRExpression = '';
/** @type {string} */ var colorGExpression = '';
/** @type {string} */ var colorBExpression = '';
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_INSTANCE_ID || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED) {
posExpression = 'a_position + vec4(float(gl_InstanceID) * 2.0 / ' + numInstancesStr + ', 0.0, 0.0, 0.0)';
colorRExpression = 'float(gl_InstanceID)/' + numInstancesStr;
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_INSTANCE_ID) {
colorGExpression = 'float(gl_InstanceID)*2.0/' + numInstancesStr;
colorBExpression = '1.0 - float(gl_InstanceID)/' + numInstancesStr;
}
}
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED) {
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR) {
posExpression = 'a_position + vec4(a_instanceOffset';
DE_ASSERT(es3fInstancedRenderingTests.OFFSET_COMPONENTS >= 1 && es3fInstancedRenderingTests.OFFSET_COMPONENTS <= 4);
for (var i = 0; i < 4 - es3fInstancedRenderingTests.OFFSET_COMPONENTS; i++)
posExpression += ', 0.0';
posExpression += ')';
if (isFloatCase)
colorRExpression = 'a_instanceR' + swizzleFirst;
else if (isIntCase)
colorRExpression = '(float(a_instanceR' + swizzleFirst + ') - ' + floatIntBiasStr + ') / ' + floatIntScaleStr;
else if (isUintCase)
colorRExpression = '(float(a_instanceR' + swizzleFirst + ') - ' + floatUintBiasStr + ') / ' + floatUintScaleStr;
else if (isMatCase)
colorRExpression = 'a_instanceR[0][0]';
else
DE_ASSERT(false);
instanceAttribs += 'in highp ' + (es3fInstancedRenderingTests.OFFSET_COMPONENTS == 1 ? 'float' : 'vec' + es3fInstancedRenderingTests.OFFSET_COMPONENTS.toString()) + ' a_instanceOffset;\n';
instanceAttribs += 'in mediump ' + typeName + ' a_instanceR;\n';
}
if (isFloatCase) {
colorGExpression = 'a_instanceG' + swizzleFirst;
colorBExpression = 'a_instanceB' + swizzleFirst;
} else if (isIntCase) {
colorGExpression = '(float(a_instanceG' + swizzleFirst + ') - ' + floatIntBiasStr + ') / ' + floatIntScaleStr;
colorBExpression = '(float(a_instanceB' + swizzleFirst + ') - ' + floatIntBiasStr + ') / ' + floatIntScaleStr;
} else if (isUintCase) {
colorGExpression = '(float(a_instanceG' + swizzleFirst + ') - ' + floatUintBiasStr + ') / ' + floatUintScaleStr;
colorBExpression = '(float(a_instanceB' + swizzleFirst + ') - ' + floatUintBiasStr + ') / ' + floatUintScaleStr;
} else if (isMatCase) {
colorGExpression = 'a_instanceG[0][0]';
colorBExpression = 'a_instanceB[0][0]';
} else
DE_ASSERT(false);
instanceAttribs += 'in mediump ' + typeName + ' a_instanceG;\n';
instanceAttribs += 'in mediump ' + typeName + ' a_instanceB;\n';
}
DE_ASSERT(!(posExpression.length == 0));
DE_ASSERT(!(colorRExpression.length == 0));
DE_ASSERT(!(colorGExpression.length == 0));
DE_ASSERT(!(colorBExpression.length == 0));
/** @type {string} */ var vertShaderSourceStr =
'#version 300 es\n' +
'in highp vec4 a_position;\n' +
instanceAttribs +
'out mediump vec4 v_color;\n' +
'\n' +
'void main()\n' +
' {\n' +
' gl_Position = ' + posExpression + ';\n' +
' v_color.r = ' + colorRExpression + ';\n' +
' v_color.g = ' + colorGExpression + ';\n' +
' v_color.b = ' + colorBExpression + ';\n' +
' v_color.a = 1.0;\n' +
'}\n';
/** @type {string} */ var fragShaderSource =
'#version 300 es\n' +
'layout(location = 0) out mediump vec4 o_color;\n' +
'in mediump vec4 v_color;\n' +
'\n' +
'void main()\n' +
' {\n' +
' o_color = v_color;\n' +
'}\n';
// Create shader program and log it.
DE_ASSERT(!this.m_program);
this.m_program = new gluShaderProgram.ShaderProgram(gl, gluShaderProgram.makeVtxFragSources(vertShaderSourceStr, fragShaderSource));
//tcu::TestLog& log = this.m_testCtx.getLog();
//log << *m_program;
// TODO: bufferedLogToConsole?
//bufferedLogToConsole(this.m_program);
assertMsgOptions(this.m_program.isOk(), 'Failed to compile shader', false, true);
// Vertex shader attributes.
if (this.m_function == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ELEMENTS_INSTANCED) {
// Vertex positions. Positions form a vertical bar of width <screen width>/<number of instances>.
for (var y = 0; y < es3fInstancedRenderingTests.QUAD_GRID_SIZE + 1; y++)
for (var x = 0; x < es3fInstancedRenderingTests.QUAD_GRID_SIZE + 1; x++) {
/** @type {number} */ var fx = -1.0 + x / es3fInstancedRenderingTests.QUAD_GRID_SIZE * 2.0 / this.m_numInstances;
/** @type {number} */ var fy = -1.0 + y / es3fInstancedRenderingTests.QUAD_GRID_SIZE * 2.0;
this.m_gridVertexPositions.push(fx);
this.m_gridVertexPositions.push(fy);
}
// Indices.
for (var y = 0; y < es3fInstancedRenderingTests.QUAD_GRID_SIZE; y++)
for (var x = 0; x < es3fInstancedRenderingTests.QUAD_GRID_SIZE; x++) {
/** @type {number} */ var ndx00 = y * (es3fInstancedRenderingTests.QUAD_GRID_SIZE + 1) + x;
/** @type {number} */ var ndx10 = y * (es3fInstancedRenderingTests.QUAD_GRID_SIZE + 1) + x + 1;
/** @type {number} */ var ndx01 = (y + 1) * (es3fInstancedRenderingTests.QUAD_GRID_SIZE + 1) + x;
/** @type {number} */ var ndx11 = (y + 1) * (es3fInstancedRenderingTests.QUAD_GRID_SIZE + 1) + x + 1;
// Lower-left triangle of a quad.
this.m_gridIndices.push(ndx00);
this.m_gridIndices.push(ndx10);
this.m_gridIndices.push(ndx01);
// Upper-right triangle of a quad.
this.m_gridIndices.push(ndx11);
this.m_gridIndices.push(ndx01);
this.m_gridIndices.push(ndx10);
}
} else {
DE_ASSERT(this.m_function == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ARRAYS_INSTANCED);
// Vertex positions. Positions form a vertical bar of width <screen width>/<number of instances>.
for (var y = 0; y < es3fInstancedRenderingTests.QUAD_GRID_SIZE; y++)
for (var x = 0; x < es3fInstancedRenderingTests.QUAD_GRID_SIZE; x++) {
/** @type {number} */ var fx0 = -1.0 + (x + 0) / es3fInstancedRenderingTests.QUAD_GRID_SIZE * 2.0 / this.m_numInstances;
/** @type {number} */ var fx1 = -1.0 + (x + 1) / es3fInstancedRenderingTests.QUAD_GRID_SIZE * 2.0 / this.m_numInstances;
/** @type {number} */ var fy0 = -1.0 + (y + 0) / es3fInstancedRenderingTests.QUAD_GRID_SIZE * 2.0;
/** @type {number} */ var fy1 = -1.0 + (y + 1) / es3fInstancedRenderingTests.QUAD_GRID_SIZE * 2.0;
// Vertices of a quad's lower-left triangle: (fx0, fy0), (fx1, fy0) and (fx0, fy1)
this.m_gridVertexPositions.push(fx0);
this.m_gridVertexPositions.push(fy0);
this.m_gridVertexPositions.push(fx1);
this.m_gridVertexPositions.push(fy0);
this.m_gridVertexPositions.push(fx0);
this.m_gridVertexPositions.push(fy1);
// Vertices of a quad's upper-right triangle: (fx1, fy1), (fx0, fy1) and (fx1, fy0)
this.m_gridVertexPositions.push(fx1);
this.m_gridVertexPositions.push(fy1);
this.m_gridVertexPositions.push(fx0);
this.m_gridVertexPositions.push(fy1);
this.m_gridVertexPositions.push(fx1);
this.m_gridVertexPositions.push(fy0);
}
}
// Instanced attributes: position offset and color RGB components.
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED) {
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR) {
// Offsets are such that the vertical bars are drawn next to each other.
for (var i = 0; i < this.m_numInstances; i++) {
this.m_instanceOffsets.push(i * 2.0 / this.m_numInstances);
DE_ASSERT(es3fInstancedRenderingTests.OFFSET_COMPONENTS >= 1 && es3fInstancedRenderingTests.OFFSET_COMPONENTS <= 4);
for (var j = 0; j < es3fInstancedRenderingTests.OFFSET_COMPONENTS - 1; j++)
this.m_instanceOffsets.push(0.0);
}
/** @type {number} */ var rInstances = Math.floor(this.m_numInstances / es3fInstancedRenderingTests.ATTRIB_DIVISOR_R) + (this.m_numInstances % es3fInstancedRenderingTests.ATTRIB_DIVISOR_R == 0 ? 0 : 1);
for (var i = 0; i < rInstances; i++) {
this.pushVarCompAttrib(this.m_instanceColorR, i / rInstances);
for (var j = 0; j < typeSize - 1; j++)
this.pushVarCompAttrib(this.m_instanceColorR, 0.0);
}
}
/** @type {number} */ var gInstances = Math.floor(this.m_numInstances / es3fInstancedRenderingTests.ATTRIB_DIVISOR_G) + (this.m_numInstances % es3fInstancedRenderingTests.ATTRIB_DIVISOR_G == 0 ? 0 : 1);
for (var i = 0; i < gInstances; i++) {
this.pushVarCompAttrib(this.m_instanceColorG, i * 2.0 / gInstances);
for (var j = 0; j < typeSize - 1; j++)
this.pushVarCompAttrib(this.m_instanceColorG, 0.0);
}
/** @type {number} */ var bInstances = Math.floor(this.m_numInstances / es3fInstancedRenderingTests.ATTRIB_DIVISOR_B) + (this.m_numInstances % es3fInstancedRenderingTests.ATTRIB_DIVISOR_B == 0 ? 0 : 1);
for (var i = 0; i < bInstances; i++) {
this.pushVarCompAttrib(this.m_instanceColorB, 1.0 - i / bInstances);
for (var j = 0; j < typeSize - 1; j++)
this.pushVarCompAttrib(this.m_instanceColorB, 0.0);
}
}
};
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.deinit = function() {
var numVertexAttribArrays = /** @type{number} */ (gl.getParameter(gl.MAX_VERTEX_ATTRIBS));
for (var idx = 0; idx < numVertexAttribArrays; idx++) {
gl.disableVertexAttribArray(idx);
gl.vertexAttribDivisor(idx, 0);
}
};
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.iterate = function() {
/** @type {number} */ var width = Math.min(gl.drawingBufferWidth, es3fInstancedRenderingTests.MAX_RENDER_WIDTH);
/** @type {number} */ var height = Math.min(gl.drawingBufferHeight, es3fInstancedRenderingTests.MAX_RENDER_HEIGHT);
/** @type {number} */ var xOffsetMax = gl.drawingBufferWidth - width;
/** @type {number} */ var yOffsetMax = gl.drawingBufferHeight - height;
/** @type {deRandom.Random} */ var rnd = new deRandom.Random(deString.deStringHash(this.name));
/** @type {number} */ var xOffset = rnd.getInt(0, xOffsetMax);
/** @type {number} */ var yOffset = rnd.getInt(0, yOffsetMax);
/** @type {tcuSurface.Surface} */ var referenceImg = new tcuSurface.Surface(width, height);
/** @type {tcuSurface.Surface} */ var resultImg = new tcuSurface.Surface(width, height);
// Draw result.
gl.viewport(xOffset, yOffset, width, height);
gl.clear(gl.COLOR_BUFFER_BIT);
this.setupAndRender();
var resImg = resultImg.getAccess();
var resImgTransferFormat = gluTextureUtil.getTransferFormat(resImg.getFormat());
gl.readPixels(xOffset, yOffset, resImg.m_width, resImg.m_height, resImgTransferFormat.format, resImgTransferFormat.dataType, resultImg.m_pixels);
// Compute reference.
this.computeReference(referenceImg);
// Compare.
// Passing referenceImg.getAccess() and resultImg.getAccess() instead of referenceImg and resultImg
/** @type {boolean} */ var testOk = tcuImageCompare.fuzzyCompare('ComparisonResult', 'Image comparison result', referenceImg.getAccess(), resultImg.getAccess(), 0.05 /*, gluShaderUtil.COMPARE_LOG_RESULT*/);
assertMsgOptions(testOk, '', true, false);
return tcuTestCase.IterateResult.STOP;
};
/**
* @param {Array<number>} attrPtr
* @param {number} location
* @param {number} divisor
*/
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.setupVarAttribPointer = function(attrPtr, location, divisor) {
/** @type {boolean} */ var isFloatCase = gluShaderUtil.isDataTypeFloatOrVec(this.m_rgbAttrType);
/** @type {boolean} */ var isIntCase = gluShaderUtil.isDataTypeIntOrIVec(this.m_rgbAttrType);
/** @type {boolean} */ var isUintCase = gluShaderUtil.isDataTypeUintOrUVec(this.m_rgbAttrType);
/** @type {boolean} */ var isMatCase = gluShaderUtil.isDataTypeMatrix(this.m_rgbAttrType);
/** @type {number} */ var typeSize = gluShaderUtil.getDataTypeScalarSize(this.m_rgbAttrType);
/** @type {number} */ var numSlots = isMatCase ? gluShaderUtil.getDataTypeMatrixNumColumns(this.m_rgbAttrType) : 1; // Matrix uses as many attribute slots as it has columns.
for (var slotNdx = 0; slotNdx < numSlots; slotNdx++) {
/** @type {number} */ var curLoc = location + slotNdx;
gl.enableVertexAttribArray(curLoc);
gl.vertexAttribDivisor(curLoc, divisor);
var curLocGlBuffer = gl.createBuffer();
if (isFloatCase) {
var bufferCurLoc = new Float32Array(attrPtr);
gl.bindBuffer(gl.ARRAY_BUFFER, curLocGlBuffer);
gl.bufferData(gl.ARRAY_BUFFER, bufferCurLoc, gl.STATIC_DRAW);
gl.vertexAttribPointer(curLoc, typeSize, gl.FLOAT, false, 0, 0);
} else if (isIntCase) {
var bufferCurLoc = new Int32Array(attrPtr);
gl.bindBuffer(gl.ARRAY_BUFFER, curLocGlBuffer);
gl.bufferData(gl.ARRAY_BUFFER, bufferCurLoc, gl.STATIC_DRAW);
gl.vertexAttribIPointer(curLoc, typeSize, gl.INT, 0, 0);
} else if (isUintCase) {
var bufferCurLoc = new Uint32Array(attrPtr);
gl.bindBuffer(gl.ARRAY_BUFFER, curLocGlBuffer);
gl.bufferData(gl.ARRAY_BUFFER, bufferCurLoc, gl.STATIC_DRAW);
gl.vertexAttribIPointer(curLoc, typeSize, gl.UNSIGNED_INT, 0, 0);
} else if (isMatCase) {
/** @type {number} */ var numRows = gluShaderUtil.getDataTypeMatrixNumRows(this.m_rgbAttrType);
/** @type {number} */ var numCols = gluShaderUtil.getDataTypeMatrixNumColumns(this.m_rgbAttrType);
var bufferCurLoc = new Float32Array(attrPtr);
gl.bindBuffer(gl.ARRAY_BUFFER, curLocGlBuffer);
gl.bufferData(gl.ARRAY_BUFFER, bufferCurLoc, gl.STATIC_DRAW);
gl.vertexAttribPointer(curLoc, numRows, gl.FLOAT, false, numCols * numRows * 4, 0);
} else
DE_ASSERT(false);
}
};
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.setupAndRender = function() {
/** @type {WebGLProgram} */ var program = this.m_program.getProgram();
gl.useProgram(program);
// Setup attributes.
// Position attribute is non-instanced.
/** @type {number} */ var positionLoc = gl.getAttribLocation(program, 'a_position');
gl.enableVertexAttribArray(positionLoc);
var positionBuffer = gl.createBuffer();
var bufferGridVertexPosition = new Float32Array(this.m_gridVertexPositions);
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
gl.bufferData(gl.ARRAY_BUFFER, bufferGridVertexPosition, gl.STATIC_DRAW);
gl.vertexAttribPointer(positionLoc, 2, gl.FLOAT, false, 0, 0);
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED) {
if (this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR) {
// Position offset attribute is instanced with separate offset for every instance.
/** @type {number} */ var offsetLoc = gl.getAttribLocation(program, 'a_instanceOffset');
gl.enableVertexAttribArray(offsetLoc);
gl.vertexAttribDivisor(offsetLoc, 1);
var offsetLocGlBuffer = gl.createBuffer();
var bufferOffsetLoc = new Float32Array(this.m_instanceOffsets);
gl.bindBuffer(gl.ARRAY_BUFFER, offsetLocGlBuffer);
gl.bufferData(gl.ARRAY_BUFFER, bufferOffsetLoc, gl.STATIC_DRAW);
gl.vertexAttribPointer(offsetLoc, es3fInstancedRenderingTests.OFFSET_COMPONENTS, gl.FLOAT, false, 0, 0);
/** @type {number} */ var rLoc = gl.getAttribLocation(program, 'a_instanceR');
this.setupVarAttribPointer(this.m_instanceColorR, rLoc, es3fInstancedRenderingTests.ATTRIB_DIVISOR_R);
}
/** @type {number} */ var gLoc = gl.getAttribLocation(program, 'a_instanceG');
this.setupVarAttribPointer(this.m_instanceColorG, gLoc, es3fInstancedRenderingTests.ATTRIB_DIVISOR_G);
/** @type {number} */ var bLoc = gl.getAttribLocation(program, 'a_instanceB');
this.setupVarAttribPointer(this.m_instanceColorB, bLoc, es3fInstancedRenderingTests.ATTRIB_DIVISOR_B);
}
// Draw using appropriate function.
if (this.m_function == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ARRAYS_INSTANCED) {
/** @type {number} */ var numPositionComponents = 2;
gl.drawArraysInstanced(gl.TRIANGLES, 0, Math.floor(this.m_gridVertexPositions.length / numPositionComponents), this.m_numInstances);
} else {
var gridIndicesGLBuffer = gl.createBuffer();
var bufferGridIndices = new Uint16Array(this.m_gridIndices);
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, gridIndicesGLBuffer);
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, bufferGridIndices, gl.STATIC_DRAW);
gl.drawElementsInstanced(gl.TRIANGLES, this.m_gridIndices.length, gl.UNSIGNED_SHORT, 0, this.m_numInstances);
}
gl.useProgram(null);
};
/**
* @param {tcuSurface.Surface} dst
*/
es3fInstancedRenderingTests.InstancedRenderingCase.prototype.computeReference = function(dst) {
/** @type {number} */ var wid = dst.getWidth();
/** @type {number} */ var hei = dst.getHeight();
// Draw a rectangle (vertical bar) for each instance.
for (var instanceNdx = 0; instanceNdx < this.m_numInstances; instanceNdx++) {
/** @type {number} */ var xStart = Math.floor(instanceNdx * wid / this.m_numInstances);
/** @type {number} */ var xEnd = Math.floor((instanceNdx + 1) * wid / this.m_numInstances);
// Emulate attribute divisors if that is the case.
/** @type {number} */ var clrNdxR = this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR ? Math.floor(instanceNdx / es3fInstancedRenderingTests.ATTRIB_DIVISOR_R) : instanceNdx;
/** @type {number} */ var clrNdxG = this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED ? Math.floor(instanceNdx / es3fInstancedRenderingTests.ATTRIB_DIVISOR_G) : instanceNdx;
/** @type {number} */ var clrNdxB = this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED ? Math.floor(instanceNdx / es3fInstancedRenderingTests.ATTRIB_DIVISOR_B) : instanceNdx;
/** @type {number} */ var rInstances = this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR ? Math.floor(this.m_numInstances / es3fInstancedRenderingTests.ATTRIB_DIVISOR_R) + (this.m_numInstances % es3fInstancedRenderingTests.ATTRIB_DIVISOR_R == 0 ? 0 : 1) : this.m_numInstances;
/** @type {number} */ var gInstances = this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED ? Math.floor(this.m_numInstances / es3fInstancedRenderingTests.ATTRIB_DIVISOR_G) + (this.m_numInstances % es3fInstancedRenderingTests.ATTRIB_DIVISOR_G == 0 ? 0 : 1) : this.m_numInstances;
/** @type {number} */ var bInstances = this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR || this.m_instancingType == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED ? Math.floor(this.m_numInstances / es3fInstancedRenderingTests.ATTRIB_DIVISOR_B) + (this.m_numInstances % es3fInstancedRenderingTests.ATTRIB_DIVISOR_B == 0 ? 0 : 1) : this.m_numInstances;
// Calculate colors.
/** @type {number} */ var r = clrNdxR / rInstances;
/** @type {number} */ var g = clrNdxG * 2.0 / gInstances;
/** @type {number} */ var b = 1.0 - clrNdxB / bInstances;
// Convert to integer and back if shader inputs are integers.
if (gluShaderUtil.isDataTypeIntOrIVec(this.m_rgbAttrType)) {
/** @type {number} */var intR = (r * es3fInstancedRenderingTests.FLOAT_INT_SCALE + es3fInstancedRenderingTests.FLOAT_INT_BIAS);
/** @type {number} */var intG = (g * es3fInstancedRenderingTests.FLOAT_INT_SCALE + es3fInstancedRenderingTests.FLOAT_INT_BIAS);
/** @type {number} */var intB = (b * es3fInstancedRenderingTests.FLOAT_INT_SCALE + es3fInstancedRenderingTests.FLOAT_INT_BIAS);
r = (intR - es3fInstancedRenderingTests.FLOAT_INT_BIAS) / es3fInstancedRenderingTests.FLOAT_INT_SCALE;
g = (intG - es3fInstancedRenderingTests.FLOAT_INT_BIAS) / es3fInstancedRenderingTests.FLOAT_INT_SCALE;
b = (intB - es3fInstancedRenderingTests.FLOAT_INT_BIAS) / es3fInstancedRenderingTests.FLOAT_INT_SCALE;
} else if (gluShaderUtil.isDataTypeUintOrUVec(this.m_rgbAttrType)) {
/** @type {number} */var uintR = (r * es3fInstancedRenderingTests.FLOAT_UINT_SCALE + es3fInstancedRenderingTests.FLOAT_UINT_BIAS);
/** @type {number} */var uintG = (g * es3fInstancedRenderingTests.FLOAT_UINT_SCALE + es3fInstancedRenderingTests.FLOAT_UINT_BIAS);
/** @type {number} */var uintB = (b * es3fInstancedRenderingTests.FLOAT_UINT_SCALE + es3fInstancedRenderingTests.FLOAT_UINT_BIAS);
r = (uintR - es3fInstancedRenderingTests.FLOAT_UINT_BIAS) / es3fInstancedRenderingTests.FLOAT_UINT_SCALE;
g = (uintG - es3fInstancedRenderingTests.FLOAT_UINT_BIAS) / es3fInstancedRenderingTests.FLOAT_UINT_SCALE;
b = (uintB - es3fInstancedRenderingTests.FLOAT_UINT_BIAS) / es3fInstancedRenderingTests.FLOAT_UINT_SCALE;
}
// Convert from float to unorm8.
var color = deMath.add(deMath.scale([r, g, b, 1.0], 255), [0.5, 0.5, 0.5, 0.5]);
color = deMath.clampVector(color, 0, 255);
// Draw rectangle.
for (var y = 0; y < hei; y++)
for (var x = xStart; x < xEnd; x++)
dst.setPixel(x, y, color);
}
};
es3fInstancedRenderingTests.init = function() {
var testGroup = tcuTestCase.runner.testCases;
/** @type {Array<number>} */ var instanceCounts = [1, 2, 4, 20];
for (var _function in es3fInstancedRenderingTests.DrawFunction) {
/** @type {?string} */ var functionName =
es3fInstancedRenderingTests.DrawFunction[_function] == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ARRAYS_INSTANCED ? 'draw_arrays_instanced' :
es3fInstancedRenderingTests.DrawFunction[_function] == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ELEMENTS_INSTANCED ? 'draw_elements_instanced' :
null;
/** @type {?string} */ var functionDesc =
es3fInstancedRenderingTests.DrawFunction[_function] == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ARRAYS_INSTANCED ? 'Use glDrawArraysInstanced()' :
es3fInstancedRenderingTests.DrawFunction[_function] == es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ELEMENTS_INSTANCED ? 'Use glDrawElementsInstanced()' :
null;
DE_ASSERT(functionName != null);
DE_ASSERT(functionDesc != null);
/** @type {tcuTestCase.DeqpTest} */ var functionGroup = tcuTestCase.newTest(functionName, functionDesc);
testGroup.addChild(functionGroup);
for (var instancingType in es3fInstancedRenderingTests.InstancingType) {
/** @type {?string} */ var instancingTypeName =
es3fInstancedRenderingTests.InstancingType[instancingType] == es3fInstancedRenderingTests.InstancingType.TYPE_INSTANCE_ID ? 'instance_id' :
es3fInstancedRenderingTests.InstancingType[instancingType] == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR ? 'attribute_divisor' :
es3fInstancedRenderingTests.InstancingType[instancingType] == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED ? 'mixed' :
null;
/** @type {?string} */ var instancingTypeDesc =
es3fInstancedRenderingTests.InstancingType[instancingType] == es3fInstancedRenderingTests.InstancingType.TYPE_INSTANCE_ID ? 'Use gl_InstanceID for instancing' :
es3fInstancedRenderingTests.InstancingType[instancingType] == es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR ? 'Use vertex attribute divisors for instancing' :
es3fInstancedRenderingTests.InstancingType[instancingType] == es3fInstancedRenderingTests.InstancingType.TYPE_MIXED ? 'Use both gl_InstanceID and vertex attribute divisors for instancing' :
null;
DE_ASSERT(instancingTypeName != null);
DE_ASSERT(instancingTypeDesc != null);
/** @type {tcuTestCase.DeqpTest} */
var instancingTypeGroup = tcuTestCase.newTest(instancingTypeName, instancingTypeDesc);
functionGroup.addChild(instancingTypeGroup);
for (var countNdx in instanceCounts) {
/** @type {string} */ var countName = instanceCounts[countNdx].toString() + '_instances';
instancingTypeGroup.addChild(new es3fInstancedRenderingTests.InstancedRenderingCase(countName,
'',
es3fInstancedRenderingTests.DrawFunction[_function],
es3fInstancedRenderingTests.InstancingType[instancingType],
gluShaderUtil.DataType.FLOAT,
instanceCounts[countNdx]));
}
}
}
/** @type {Array<gluShaderUtil.DataType>} */ var s_testTypes =
[
gluShaderUtil.DataType.FLOAT,
gluShaderUtil.DataType.FLOAT_VEC2,
gluShaderUtil.DataType.FLOAT_VEC3,
gluShaderUtil.DataType.FLOAT_VEC4,
gluShaderUtil.DataType.FLOAT_MAT2,
gluShaderUtil.DataType.FLOAT_MAT2X3,
gluShaderUtil.DataType.FLOAT_MAT2X4,
gluShaderUtil.DataType.FLOAT_MAT3X2,
gluShaderUtil.DataType.FLOAT_MAT3,
gluShaderUtil.DataType.FLOAT_MAT3X4,
gluShaderUtil.DataType.FLOAT_MAT4X2,
gluShaderUtil.DataType.FLOAT_MAT4X3,
gluShaderUtil.DataType.FLOAT_MAT4,
gluShaderUtil.DataType.INT,
gluShaderUtil.DataType.INT_VEC2,
gluShaderUtil.DataType.INT_VEC3,
gluShaderUtil.DataType.INT_VEC4,
gluShaderUtil.DataType.UINT,
gluShaderUtil.DataType.UINT_VEC2,
gluShaderUtil.DataType.UINT_VEC3,
gluShaderUtil.DataType.UINT_VEC4
];
/** @type {number} */ var typeTestNumInstances = 4;
/** @type {tcuTestCase.DeqpTest} */ var typesGroup = tcuTestCase.newTest('types', 'Tests for instanced attributes of particular data types');
testGroup.addChild(typesGroup);
for (var typeNdx in s_testTypes) {
/** @type {gluShaderUtil.DataType} */ var type = s_testTypes[typeNdx];
typesGroup.addChild(new es3fInstancedRenderingTests.InstancedRenderingCase(gluShaderUtil.getDataTypeName(type), '',
es3fInstancedRenderingTests.DrawFunction.FUNCTION_DRAW_ARRAYS_INSTANCED,
es3fInstancedRenderingTests.InstancingType.TYPE_ATTRIB_DIVISOR,
type,
typeTestNumInstances));
}
};
es3fInstancedRenderingTests.run = function(context) {
gl = context;
//Set up Test Root parameters
var testName = 'instanced_rendering';
var testDescription = 'Instanced Rendering Tests';
var state = tcuTestCase.runner;
state.testName = testName;
state.setRoot(tcuTestCase.newTest(testName, testDescription, null));
//Set up name and description of this test series.
setCurrentTestName(testName);
description(testDescription);
try {
//Create test cases
es3fInstancedRenderingTests.init();
//Run test cases
tcuTestCase.runTestCases();
}
catch (err) {
testFailedOptions('Failed to es3fInstancedRenderingTests.run tests', false);
tcuTestCase.runner.terminate();
}
};
});