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-rw-r--r--tools/timer/GpuTimer.cpp77
1 files changed, 0 insertions, 77 deletions
diff --git a/tools/timer/GpuTimer.cpp b/tools/timer/GpuTimer.cpp
deleted file mode 100644
index 51ab3ad235..0000000000
--- a/tools/timer/GpuTimer.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "GpuTimer.h"
-#include "gl/SkGLContext.h"
-#include "gl/GrGLUtil.h"
-
-GpuTimer::GpuTimer(const SkGLContext* glctx) : fContext(glctx) {
- if (fContext) {
- fContext->ref();
- fContext->makeCurrent();
- fStarted = false;
- fSupported = GrGLGetVersion(fContext->gl()) > GR_GL_VER(3,3) ||
- fContext->gl()->hasExtension("GL_ARB_timer_query") ||
- fContext->gl()->hasExtension("GL_EXT_timer_query");
-
- if (fSupported) {
- SK_GL(*fContext, GenQueries(1, &fQuery));
- }
- }
-}
-
-GpuTimer::~GpuTimer() {
- if (fContext) {
- if (fSupported) {
- fContext->makeCurrent();
- SK_GL(*fContext, DeleteQueries(1, &fQuery));
- }
- fContext->unref();
- }
-}
-
-void GpuTimer::start() {
- if (fContext && fSupported) {
- fContext->makeCurrent();
- fStarted = true;
- SK_GL(*fContext, BeginQuery(GR_GL_TIME_ELAPSED, fQuery));
- }
-}
-
-/**
- * It is important to stop the cpu clocks first,
- * as this will cpu wait for the gpu to finish.
- */
-double GpuTimer::end() {
- if (fContext && fSupported) {
- fStarted = false;
- fContext->makeCurrent();
- SK_GL(*fContext, EndQuery(GR_GL_TIME_ELAPSED));
-
- GrGLint available = 0;
- while (!available) {
- SK_GL_NOERRCHECK(*fContext, GetQueryObjectiv(fQuery,
- GR_GL_QUERY_RESULT_AVAILABLE,
- &available));
- // If GetQueryObjectiv is erroring out we need some alternative
- // means of breaking out of this loop
- GrGLenum error;
- SK_GL_RET_NOERRCHECK(*fContext, error, GetError());
- if (GR_GL_NO_ERROR != error) {
- break;
- }
- }
- GrGLuint64 totalGPUTimeElapsed = 0;
- SK_GL(*fContext, GetQueryObjectui64v(fQuery,
- GR_GL_QUERY_RESULT,
- &totalGPUTimeElapsed));
-
- return totalGPUTimeElapsed / 1000000.0;
- } else {
- return 0;
- }
-}