/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL (ES) Module
* -----------------------------------------------
*
* 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.
*
*//*!
* \file
* \brief Shader performance measurer; handles calibration and measurement
*//*--------------------------------------------------------------------*/
#include "glsShaderPerformanceMeasurer.hpp"
#include "gluDefs.hpp"
#include "tcuTestLog.hpp"
#include "tcuRenderTarget.hpp"
#include "deStringUtil.hpp"
#include "deMath.h"
#include "deClock.h"
#include "glwFunctions.hpp"
#include "glwEnums.hpp"
#include <algorithm>
using tcu::Vec4;
using std::string;
using std::vector;
using tcu::TestLog;
using namespace glw; // GL types
namespace deqp
{
namespace gls
{
static inline float triangleInterpolate (float v0, float v1, float v2, float x, float y)
{
return v0 + (v2-v0)*x + (v1-v0)*y;
}
static inline float triQuadInterpolate (float x, float y, const tcu::Vec4& quad)
{
// \note Top left fill rule.
if (x + y < 1.0f)
return triangleInterpolate(quad.x(), quad.y(), quad.z(), x, y);
else
return triangleInterpolate(quad.w(), quad.z(), quad.y(), 1.0f-x, 1.0f-y);
}
static inline int getNumVertices (int gridSizeX, int gridSizeY)
{
return (gridSizeX + 1) * (gridSizeY + 1);
}
static inline int getNumIndices (int gridSizeX, int gridSizeY)
{
return gridSizeX*gridSizeY*6;
}
static inline deUint16 getVtxIndex (int x, int y, int gridSizeX)
{
return (deUint16)(y*(gridSizeX+1) + x);
}
static void generateVertices (std::vector<float>& dst, int gridSizeX, int gridSizeY, const AttribSpec& spec)
{
const int numComponents = 4;
DE_ASSERT((gridSizeX + 1)*(gridSizeY + 1) <= (1<<16)); // Must fit into 16-bit indices.
DE_ASSERT(gridSizeX >= 1 && gridSizeY >= 1);
dst.resize((gridSizeX + 1) * (gridSizeY + 1) * 4);
for (int y = 0; y <= gridSizeY; y++)
{
for (int x = 0; x <= gridSizeX; x++)
{
float xf = (float)x / (float)gridSizeX;
float yf = (float)y / (float)gridSizeY;
for (int compNdx = 0; compNdx < numComponents; compNdx++)
dst[getVtxIndex(x, y, gridSizeX)*numComponents + compNdx] = triQuadInterpolate(xf, yf, tcu::Vec4(spec.p00[compNdx], spec.p01[compNdx], spec.p10[compNdx], spec.p11[compNdx]));
}
}
}
static void generateIndices (std::vector<deUint16>& dst, int gridSizeX, int gridSizeY)
{
const int numIndicesPerQuad = 6;
int numIndices = gridSizeX * gridSizeY * numIndicesPerQuad;
dst.resize(numIndices);
for (int y = 0; y < gridSizeY; y++)
{
for (int x = 0; x < gridSizeX; x++)
{
int quadNdx = y*gridSizeX + x;
dst[quadNdx*numIndicesPerQuad + 0] = getVtxIndex(x+0, y+0, gridSizeX);
dst[quadNdx*numIndicesPerQuad + 1] = getVtxIndex(x+1, y+0, gridSizeX);
dst[quadNdx*numIndicesPerQuad + 2] = getVtxIndex(x+0, y+1, gridSizeX);
dst[quadNdx*numIndicesPerQuad + 3] = getVtxIndex(x+0, y+1, gridSizeX);
dst[quadNdx*numIndicesPerQuad + 4] = getVtxIndex(x+1, y+0, gridSizeX);
dst[quadNdx*numIndicesPerQuad + 5] = getVtxIndex(x+1, y+1, gridSizeX);
}
}
}
ShaderPerformanceMeasurer::ShaderPerformanceMeasurer (const glu::RenderContext& renderCtx, PerfCaseType measureType)
: m_renderCtx (renderCtx)
, m_gridSizeX (measureType == CASETYPE_FRAGMENT ? 1 : 255)
, m_gridSizeY (measureType == CASETYPE_FRAGMENT ? 1 : 255)
, m_viewportWidth (measureType == CASETYPE_VERTEX ? 32 : renderCtx.getRenderTarget().getWidth())
, m_viewportHeight (measureType == CASETYPE_VERTEX ? 32 : renderCtx.getRenderTarget().getHeight())
, m_state (STATE_UNINITIALIZED)
, m_result (-1.0f, -1.0f)
, m_indexBuffer (0)
, m_vao (0)
{
}
void ShaderPerformanceMeasurer::logParameters (TestLog& log) const
{
log << TestLog::Message << "Grid size: " << m_gridSizeX << "x" << m_gridSizeY << TestLog::EndMessage
<< TestLog::Message << "Viewport: " << m_viewportWidth << "x" << m_viewportHeight << TestLog::EndMessage;
}
void ShaderPerformanceMeasurer::init (deUint32 program, const vector<AttribSpec>& attributes, int calibratorInitialNumCalls)
{
DE_ASSERT(m_state == STATE_UNINITIALIZED);
const glw::Functions& gl = m_renderCtx.getFunctions();
const bool useVAO = glu::isContextTypeGLCore(m_renderCtx.getType());
if (useVAO)
{
DE_ASSERT(!m_vao);
gl.genVertexArrays(1, &m_vao);
gl.bindVertexArray(m_vao);
GLU_EXPECT_NO_ERROR(gl.getError(), "Create VAO");
}
// Validate that we have sane grid and viewport setup.
DE_ASSERT(de::inBounds(m_gridSizeX, 1, 256) && de::inBounds(m_gridSizeY, 1, 256));
{
bool widthTooSmall = m_renderCtx.getRenderTarget().getWidth() < m_viewportWidth;
bool heightTooSmall = m_renderCtx.getRenderTarget().getHeight() < m_viewportHeight;
if (widthTooSmall || heightTooSmall)
throw tcu::NotSupportedError("Render target too small (" +
(widthTooSmall ? "width must be at least " + de::toString(m_viewportWidth) : "") +
(heightTooSmall ? string(widthTooSmall ? ", " : "") + "height must be at least " + de::toString(m_viewportHeight) : "") +
")");
}
TCU_CHECK_INTERNAL(de::inRange(m_viewportWidth, 1, m_renderCtx.getRenderTarget().getWidth()) &&
de::inRange(m_viewportHeight, 1, m_renderCtx.getRenderTarget().getHeight()));
// Insert a_position to attributes.
m_attributes = attributes;
m_attributes.push_back(AttribSpec("a_position",
Vec4(-1.0f, -1.0f, 0.0f, 1.0f),
Vec4( 1.0f, -1.0f, 0.0f, 1.0f),
Vec4(-1.0f, 1.0f, 0.0f, 1.0f),
Vec4( 1.0f, 1.0f, 0.0f, 1.0f)));
// Generate indices.
{
std::vector<deUint16> indices;
generateIndices(indices, m_gridSizeX, m_gridSizeY);
gl.genBuffers(1, &m_indexBuffer);
gl.bindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer);
gl.bufferData(GL_ELEMENT_ARRAY_BUFFER, (GLsizeiptr)(indices.size()*sizeof(deUint16)), &indices[0], GL_STATIC_DRAW);
GLU_EXPECT_NO_ERROR(gl.getError(), "Upload index data");
}
// Generate vertices.
m_attribBuffers.resize(m_attributes.size(), 0);
gl.genBuffers((GLsizei)m_attribBuffers.size(), &m_attribBuffers[0]);
for (int attribNdx = 0; attribNdx < (int)m_attributes.size(); attribNdx++)
{
std::vector<float> vertices;
generateVertices(vertices, m_gridSizeX, m_gridSizeY, m_attributes[attribNdx]);
gl.bindBuffer(GL_ARRAY_BUFFER, m_attribBuffers[attribNdx]);
gl.bufferData(GL_ARRAY_BUFFER, (GLsizeiptr)(vertices.size()*sizeof(float)), &vertices[0], GL_STATIC_DRAW);
}
GLU_EXPECT_NO_ERROR(gl.getError(), "Upload vertex data");
// Setup attribute bindings.
for (int attribNdx = 0; attribNdx < (int)m_attributes.size(); attribNdx++)
{
int location = gl.getAttribLocation(program, m_attributes[attribNdx].name.c_str());
if (location >= 0)
{
gl.enableVertexAttribArray(location);
gl.bindBuffer(GL_ARRAY_BUFFER, m_attribBuffers[attribNdx]);
gl.vertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE, 0, DE_NULL);
}
GLU_EXPECT_NO_ERROR(gl.getError(), "Setup vertex attribute state");
}
gl.useProgram(program);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUseProgram()");
m_state = STATE_MEASURING;
m_isFirstIteration = true;
m_calibrator.clear(CalibratorParameters(calibratorInitialNumCalls, 10 /* calibrate iteration frames */, 2000.0f /* calibrate iteration shortcut threshold (ms) */, 16 /* max calibrate iterations */,
1000.0f/30.0f /* frame time (ms) */, 1000.0f/60.0f /* frame time cap (ms) */, 1000.0f /* target measure duration (ms) */));
}
void ShaderPerformanceMeasurer::deinit (void)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
if (m_indexBuffer)
{
gl.deleteBuffers(1, &m_indexBuffer);
m_indexBuffer = 0;
}
if (m_vao)
{
gl.deleteVertexArrays(1, &m_vao);
m_vao = 0;
}
if (!m_attribBuffers.empty())
{
gl.deleteBuffers((GLsizei)m_attribBuffers.size(), &m_attribBuffers[0]);
m_attribBuffers.clear();
}
m_state = STATE_UNINITIALIZED;
}
void ShaderPerformanceMeasurer::render (int numDrawCalls)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLsizei numIndices = (GLsizei)getNumIndices(m_gridSizeX, m_gridSizeY);
gl.viewport(0, 0, m_viewportWidth, m_viewportHeight);
for (int callNdx = 0; callNdx < numDrawCalls; callNdx++)
gl.drawElements(GL_TRIANGLES, numIndices, GL_UNSIGNED_SHORT, DE_NULL);
}
void ShaderPerformanceMeasurer::iterate (void)
{
DE_ASSERT(m_state == STATE_MEASURING);
deUint64 renderStartTime = deGetMicroseconds();
render(m_calibrator.getCallCount()); // Always render. This gives more stable performance behavior.
TheilSenCalibrator::State calibratorState = m_calibrator.getState();
if (calibratorState == TheilSenCalibrator::STATE_RECOMPUTE_PARAMS)
{
m_calibrator.recomputeParameters();
m_isFirstIteration = true;
m_prevRenderStartTime = renderStartTime;
}
else if (calibratorState == TheilSenCalibrator::STATE_MEASURE)
{
if (!m_isFirstIteration)
m_calibrator.recordIteration(renderStartTime - m_prevRenderStartTime);
m_isFirstIteration = false;
m_prevRenderStartTime = renderStartTime;
}
else
{
DE_ASSERT(calibratorState == TheilSenCalibrator::STATE_FINISHED);
GLU_EXPECT_NO_ERROR(m_renderCtx.getFunctions().getError(), "End of rendering");
const MeasureState& measureState = m_calibrator.getMeasureState();
// Compute result.
deUint64 totalTime = measureState.getTotalTime();
int numFrames = (int)measureState.frameTimes.size();
deInt64 numQuadGrids = measureState.numDrawCalls * numFrames;
deInt64 numPixels = (deInt64)m_viewportWidth * (deInt64)m_viewportHeight * numQuadGrids;
deInt64 numVertices = (deInt64)getNumVertices(m_gridSizeX, m_gridSizeY) * numQuadGrids;
double mfragPerSecond = (double)numPixels / (double)totalTime;
double mvertPerSecond = (double)numVertices / (double)totalTime;
m_result = Result((float)mvertPerSecond, (float)mfragPerSecond);
m_state = STATE_FINISHED;
}
}
void ShaderPerformanceMeasurer::logMeasurementInfo (TestLog& log) const
{
DE_ASSERT(m_state == STATE_FINISHED);
const MeasureState& measureState(m_calibrator.getMeasureState());
// Compute totals.
deUint64 totalTime = measureState.getTotalTime();
int numFrames = (int)measureState.frameTimes.size();
deInt64 numQuadGrids = measureState.numDrawCalls * numFrames;
deInt64 numPixels = (deInt64)m_viewportWidth * (deInt64)m_viewportHeight * numQuadGrids;
deInt64 numVertices = (deInt64)getNumVertices(m_gridSizeX, m_gridSizeY) * numQuadGrids;
double mfragPerSecond = (double)numPixels / (double)totalTime;
double mvertPerSecond = (double)numVertices / (double)totalTime;
double framesPerSecond = (double)numFrames / ((double)totalTime / 1000000.0);
logCalibrationInfo(log, m_calibrator);
log << TestLog::Float("FramesPerSecond", "Frames per second in measurement", "Frames/s", QP_KEY_TAG_PERFORMANCE, (float)framesPerSecond)
<< TestLog::Float("FragmentsPerVertices", "Vertex-fragment ratio", "Fragments/Vertices", QP_KEY_TAG_NONE, (float)numPixels / (float)numVertices)
<< TestLog::Float("FragmentPerf", "Fragment performance", "MPix/s", QP_KEY_TAG_PERFORMANCE, (float)mfragPerSecond)
<< TestLog::Float("VertexPerf", "Vertex performance", "MVert/s", QP_KEY_TAG_PERFORMANCE, (float)mvertPerSecond);
}
void ShaderPerformanceMeasurer::setGridSize (int gridW, int gridH)
{
DE_ASSERT(m_state == STATE_UNINITIALIZED);
DE_ASSERT(de::inBounds(gridW, 1, 256) && de::inBounds(gridH, 1, 256));
m_gridSizeX = gridW;
m_gridSizeY = gridH;
}
void ShaderPerformanceMeasurer::setViewportSize (int width, int height)
{
DE_ASSERT(m_state == STATE_UNINITIALIZED);
DE_ASSERT(de::inRange(width, 1, m_renderCtx.getRenderTarget().getWidth()) &&
de::inRange(height, 1, m_renderCtx.getRenderTarget().getHeight()));
m_viewportWidth = width;
m_viewportHeight = height;
}
} // gls
} // deqp