Revert of skpbench: add option for gpu timing

tools/gpu/gl/GLTestContext.cpp

Index: tools/gpu/gl/GLTestContext.cpp
diff --git a/tools/gpu/gl/GLTestContext.cpp b/tools/gpu/gl/GLTestContext.cpp
index dc8966b2969465977baa03525d28ce2f923afea1..1d53bbcd83f70ece2d3b9cd6c4b79c4698764450 100644
--- a/tools/gpu/gl/GLTestContext.cpp
+++ b/tools/gpu/gl/GLTestContext.cpp
@@ -6,8 +6,6 @@
  */
 
 #include "GLTestContext.h"
-
-#include "GpuTimer.h"
 #include "gl/GrGLUtil.h"
 
 namespace {
@@ -79,133 +77,6 @@
     fGLDeleteSync(glsync);
 }
 
-class GLGpuTimer : public sk_gpu_test::GpuTimer {
-public:
-    static GLGpuTimer* CreateIfSupported(const sk_gpu_test::GLTestContext*);
-
-    QueryStatus checkQueryStatus(sk_gpu_test::PlatformTimerQuery) override;
-    std::chrono::nanoseconds getTimeElapsed(sk_gpu_test::PlatformTimerQuery) override;
-    void deleteQuery(sk_gpu_test::PlatformTimerQuery) override;
-
-private:
-    GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext*, const char* ext = "");
-
-    bool validate() const;
-
-    sk_gpu_test::PlatformTimerQuery onQueueTimerStart() const override;
-    void onQueueTimerStop(sk_gpu_test::PlatformTimerQuery) const override;
-
-    static constexpr GrGLenum GL_QUERY_RESULT            = 0x8866;
-    static constexpr GrGLenum GL_QUERY_RESULT_AVAILABLE  = 0x8867;
-    static constexpr GrGLenum GL_TIME_ELAPSED            = 0x88bf;
-    static constexpr GrGLenum GL_GPU_DISJOINT            = 0x8fbb;
-
-    typedef void (GR_GL_FUNCTION_TYPE* GLGetIntegervProc) (GrGLenum, GrGLint*);
-    typedef void (GR_GL_FUNCTION_TYPE* GLGenQueriesProc) (GrGLsizei, GrGLuint*);
-    typedef void (GR_GL_FUNCTION_TYPE* GLDeleteQueriesProc) (GrGLsizei, const GrGLuint*);
-    typedef void (GR_GL_FUNCTION_TYPE* GLBeginQueryProc) (GrGLenum, GrGLuint);
-    typedef void (GR_GL_FUNCTION_TYPE* GLEndQueryProc) (GrGLenum);
-    typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectuivProc) (GrGLuint, GrGLenum, GrGLuint*);
-    typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectui64vProc) (GrGLuint, GrGLenum, GrGLuint64*);
-
-    GLGetIntegervProc           fGLGetIntegerv;
-    GLGenQueriesProc            fGLGenQueries;
-    GLDeleteQueriesProc         fGLDeleteQueries;
-    GLBeginQueryProc            fGLBeginQuery;
-    GLEndQueryProc              fGLEndQuery;
-    GLGetQueryObjectuivProc     fGLGetQueryObjectuiv;
-    GLGetQueryObjectui64vProc   fGLGetQueryObjectui64v;
-
-
-    typedef sk_gpu_test::GpuTimer INHERITED;
-};
-
-GLGpuTimer* GLGpuTimer::CreateIfSupported(const sk_gpu_test::GLTestContext* ctx) {
-    SkAutoTDelete<GLGpuTimer> ret;
-    const GrGLInterface* gl = ctx->gl();
-    if (gl->fExtensions.has("GL_EXT_disjoint_timer_query")) {
-        ret.reset(new GLGpuTimer(true, ctx, "EXT"));
-    } else if (kGL_GrGLStandard == gl->fStandard &&
-               (GrGLGetVersion(gl) > GR_GL_VER(3,3) || gl->fExtensions.has("GL_ARB_timer_query"))) {
-        ret.reset(new GLGpuTimer(false, ctx));
-    } else if (gl->fExtensions.has("GL_EXT_timer_query")) {
-        ret.reset(new GLGpuTimer(false, ctx, "EXT"));
-    }
-    return ret && ret->validate() ? ret.release() : nullptr;
-}
-
-GLGpuTimer::GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext* ctx, const char* ext)
-    : INHERITED(disjointSupport) {
-    ctx->getGLProcAddress(&fGLGetIntegerv, "glGetIntegerv");
-    ctx->getGLProcAddress(&fGLGenQueries, "glGenQueries", ext);
-    ctx->getGLProcAddress(&fGLDeleteQueries, "glDeleteQueries", ext);
-    ctx->getGLProcAddress(&fGLBeginQuery, "glBeginQuery", ext);
-    ctx->getGLProcAddress(&fGLEndQuery, "glEndQuery", ext);
-    ctx->getGLProcAddress(&fGLGetQueryObjectuiv, "glGetQueryObjectuiv", ext);
-    ctx->getGLProcAddress(&fGLGetQueryObjectui64v, "glGetQueryObjectui64v", ext);
-}
-
-bool GLGpuTimer::validate() const {
-    return fGLGetIntegerv && fGLGenQueries && fGLDeleteQueries && fGLBeginQuery && fGLEndQuery &&
-           fGLGetQueryObjectuiv && fGLGetQueryObjectui64v;
-}
-
-sk_gpu_test::PlatformTimerQuery GLGpuTimer::onQueueTimerStart() const {
-    GrGLuint queryID;
-    fGLGenQueries(1, &queryID);
-    if (!queryID) {
-        return sk_gpu_test::kInvalidTimerQuery;
-    }
-    if (this->disjointSupport()) {
-        // Clear the disjoint flag.
-        GrGLint disjoint;
-        fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
-    }
-    fGLBeginQuery(GL_TIME_ELAPSED, queryID);
-    return static_cast<sk_gpu_test::PlatformTimerQuery>(queryID);
-}
-
-void GLGpuTimer::onQueueTimerStop(sk_gpu_test::PlatformTimerQuery platformTimer) const {
-    if (sk_gpu_test::kInvalidTimerQuery == platformTimer) {
-        return;
-    }
-    fGLEndQuery(GL_TIME_ELAPSED);
-}
-
-sk_gpu_test::GpuTimer::QueryStatus
-GLGpuTimer::checkQueryStatus(sk_gpu_test::PlatformTimerQuery platformTimer) {
-    const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
-    if (!queryID) {
-        return QueryStatus::kInvalid;
-    }
-    GrGLuint available = 0;
-    fGLGetQueryObjectuiv(queryID, GL_QUERY_RESULT_AVAILABLE, &available);
-    if (!available) {
-        return QueryStatus::kPending;
-    }
-    if (this->disjointSupport()) {
-        GrGLint disjoint = 1;
-        fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
-        if (disjoint) {
-            return QueryStatus::kDisjoint;
-        }
-    }
-    return QueryStatus::kAccurate;
-}
-
-std::chrono::nanoseconds GLGpuTimer::getTimeElapsed(sk_gpu_test::PlatformTimerQuery platformTimer) {
-    SkASSERT(this->checkQueryStatus(platformTimer) >= QueryStatus::kDisjoint);
-    const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
-    GrGLuint64 nanoseconds;
-    fGLGetQueryObjectui64v(queryID, GL_QUERY_RESULT, &nanoseconds);
-    return std::chrono::nanoseconds(nanoseconds);
-}
-
-void GLGpuTimer::deleteQuery(sk_gpu_test::PlatformTimerQuery platformTimer) {
-    const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
-    fGLDeleteQueries(1, &queryID);
-}
-
 }  // anonymous namespace
 
 namespace sk_gpu_test {
@@ -220,7 +91,6 @@
     SkASSERT(!fGL.get());
     fGL.reset(gl);
     fFenceSync = fenceSync ? fenceSync : GLFenceSync::CreateIfSupported(this);
-    fGpuTimer = GLGpuTimer::CreateIfSupported(this);
 }
 
 void GLTestContext::teardown() {