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258 lines
8.5 KiB
258 lines
8.5 KiB
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "tools/gpu/gl/GLTestContext.h"
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#include "include/gpu/GrDirectContext.h"
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#include "src/gpu/gl/GrGLUtil.h"
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#include "tools/gpu/GpuTimer.h"
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namespace {
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class GLGpuTimer : public sk_gpu_test::GpuTimer {
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public:
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static std::unique_ptr<GLGpuTimer> MakeIfSupported(const sk_gpu_test::GLTestContext*);
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QueryStatus checkQueryStatus(sk_gpu_test::PlatformTimerQuery) override;
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std::chrono::nanoseconds getTimeElapsed(sk_gpu_test::PlatformTimerQuery) override;
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void deleteQuery(sk_gpu_test::PlatformTimerQuery) override;
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private:
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GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext*, const char* ext = "");
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bool validate() const;
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sk_gpu_test::PlatformTimerQuery onQueueTimerStart() const override;
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void onQueueTimerStop(sk_gpu_test::PlatformTimerQuery) const override;
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static constexpr GrGLenum GL_QUERY_RESULT = 0x8866;
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static constexpr GrGLenum GL_QUERY_RESULT_AVAILABLE = 0x8867;
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static constexpr GrGLenum GL_TIME_ELAPSED = 0x88bf;
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static constexpr GrGLenum GL_GPU_DISJOINT = 0x8fbb;
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typedef void (GR_GL_FUNCTION_TYPE* GLGetIntegervProc) (GrGLenum, GrGLint*);
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typedef void (GR_GL_FUNCTION_TYPE* GLGenQueriesProc) (GrGLsizei, GrGLuint*);
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typedef void (GR_GL_FUNCTION_TYPE* GLDeleteQueriesProc) (GrGLsizei, const GrGLuint*);
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typedef void (GR_GL_FUNCTION_TYPE* GLBeginQueryProc) (GrGLenum, GrGLuint);
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typedef void (GR_GL_FUNCTION_TYPE* GLEndQueryProc) (GrGLenum);
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typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectuivProc) (GrGLuint, GrGLenum, GrGLuint*);
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typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectui64vProc) (GrGLuint, GrGLenum, GrGLuint64*);
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GLGetIntegervProc fGLGetIntegerv;
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GLGenQueriesProc fGLGenQueries;
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GLDeleteQueriesProc fGLDeleteQueries;
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GLBeginQueryProc fGLBeginQuery;
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GLEndQueryProc fGLEndQuery;
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GLGetQueryObjectuivProc fGLGetQueryObjectuiv;
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GLGetQueryObjectui64vProc fGLGetQueryObjectui64v;
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using INHERITED = sk_gpu_test::GpuTimer;
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};
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std::unique_ptr<GLGpuTimer> GLGpuTimer::MakeIfSupported(const sk_gpu_test::GLTestContext* ctx) {
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#ifdef SK_GL
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std::unique_ptr<GLGpuTimer> ret;
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const GrGLInterface* gl = ctx->gl();
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if (gl->fExtensions.has("GL_EXT_disjoint_timer_query")) {
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ret.reset(new GLGpuTimer(true, ctx, "EXT"));
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} else if (kGL_GrGLStandard == gl->fStandard &&
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(GrGLGetVersion(gl) > GR_GL_VER(3,3) || gl->fExtensions.has("GL_ARB_timer_query"))) {
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ret.reset(new GLGpuTimer(false, ctx));
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} else if (gl->fExtensions.has("GL_EXT_timer_query")) {
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ret.reset(new GLGpuTimer(false, ctx, "EXT"));
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}
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if (ret && !ret->validate()) {
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ret = nullptr;
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}
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return ret;
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#else
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return nullptr;
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#endif
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}
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GLGpuTimer::GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext* ctx, const char* ext)
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: INHERITED(disjointSupport) {
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ctx->getGLProcAddress(&fGLGetIntegerv, "glGetIntegerv");
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ctx->getGLProcAddress(&fGLGenQueries, "glGenQueries", ext);
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ctx->getGLProcAddress(&fGLDeleteQueries, "glDeleteQueries", ext);
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ctx->getGLProcAddress(&fGLBeginQuery, "glBeginQuery", ext);
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ctx->getGLProcAddress(&fGLEndQuery, "glEndQuery", ext);
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ctx->getGLProcAddress(&fGLGetQueryObjectuiv, "glGetQueryObjectuiv", ext);
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ctx->getGLProcAddress(&fGLGetQueryObjectui64v, "glGetQueryObjectui64v", ext);
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}
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bool GLGpuTimer::validate() const {
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return fGLGetIntegerv && fGLGenQueries && fGLDeleteQueries && fGLBeginQuery && fGLEndQuery &&
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fGLGetQueryObjectuiv && fGLGetQueryObjectui64v;
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}
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sk_gpu_test::PlatformTimerQuery GLGpuTimer::onQueueTimerStart() const {
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GrGLuint queryID;
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fGLGenQueries(1, &queryID);
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if (!queryID) {
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return sk_gpu_test::kInvalidTimerQuery;
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}
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if (this->disjointSupport()) {
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// Clear the disjoint flag.
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GrGLint disjoint;
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fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
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}
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fGLBeginQuery(GL_TIME_ELAPSED, queryID);
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return static_cast<sk_gpu_test::PlatformTimerQuery>(queryID);
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}
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void GLGpuTimer::onQueueTimerStop(sk_gpu_test::PlatformTimerQuery platformTimer) const {
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if (sk_gpu_test::kInvalidTimerQuery == platformTimer) {
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return;
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}
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fGLEndQuery(GL_TIME_ELAPSED);
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}
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sk_gpu_test::GpuTimer::QueryStatus
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GLGpuTimer::checkQueryStatus(sk_gpu_test::PlatformTimerQuery platformTimer) {
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const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
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if (!queryID) {
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return QueryStatus::kInvalid;
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}
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GrGLuint available = 0;
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fGLGetQueryObjectuiv(queryID, GL_QUERY_RESULT_AVAILABLE, &available);
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if (!available) {
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return QueryStatus::kPending;
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}
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if (this->disjointSupport()) {
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GrGLint disjoint = 1;
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fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
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if (disjoint) {
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return QueryStatus::kDisjoint;
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}
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}
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return QueryStatus::kAccurate;
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}
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std::chrono::nanoseconds GLGpuTimer::getTimeElapsed(sk_gpu_test::PlatformTimerQuery platformTimer) {
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SkASSERT(this->checkQueryStatus(platformTimer) >= QueryStatus::kDisjoint);
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const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
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GrGLuint64 nanoseconds;
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fGLGetQueryObjectui64v(queryID, GL_QUERY_RESULT, &nanoseconds);
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return std::chrono::nanoseconds(nanoseconds);
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}
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void GLGpuTimer::deleteQuery(sk_gpu_test::PlatformTimerQuery platformTimer) {
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const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
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fGLDeleteQueries(1, &queryID);
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}
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static_assert(sizeof(GrGLuint) <= sizeof(sk_gpu_test::PlatformTimerQuery));
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} // anonymous namespace
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namespace sk_gpu_test {
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GLTestContext::GLTestContext() : TestContext() {}
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GLTestContext::~GLTestContext() {
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SkASSERT(!fGLInterface);
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SkASSERT(!fOriginalGLInterface);
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}
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bool GLTestContext::isValid() const {
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#ifdef SK_GL
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return SkToBool(this->gl());
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#else
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return fWasInitialized;
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#endif
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}
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static bool fence_is_supported(const GLTestContext* ctx) {
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#ifdef SK_GL
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if (kGL_GrGLStandard == ctx->gl()->fStandard) {
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if (GrGLGetVersion(ctx->gl()) < GR_GL_VER(3, 2) &&
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!ctx->gl()->hasExtension("GL_ARB_sync")) {
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return false;
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}
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return true;
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} else {
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if (ctx->gl()->hasExtension("GL_APPLE_sync")) {
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return true;
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} else if (ctx->gl()->hasExtension("GL_NV_fence")) {
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return true;
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} else if (GrGLGetVersion(ctx->gl()) >= GR_GL_VER(3, 0)) {
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return true;
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} else {
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return false;
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}
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}
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#else
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return false;
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#endif
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}
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void GLTestContext::init(sk_sp<const GrGLInterface> gl) {
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fGLInterface = std::move(gl);
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fOriginalGLInterface = fGLInterface;
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fFenceSupport = fence_is_supported(this);
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fGpuTimer = GLGpuTimer::MakeIfSupported(this);
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#ifndef SK_GL
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fWasInitialized = true;
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#endif
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}
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void GLTestContext::teardown() {
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fGLInterface.reset();
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fOriginalGLInterface.reset();
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INHERITED::teardown();
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}
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void GLTestContext::testAbandon() {
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INHERITED::testAbandon();
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#ifdef SK_GL
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if (fGLInterface) {
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fGLInterface->abandon();
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fOriginalGLInterface->abandon();
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}
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#endif
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}
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void GLTestContext::finish() {
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#ifdef SK_GL
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if (fGLInterface) {
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GR_GL_CALL(fGLInterface.get(), Finish());
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}
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#endif
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}
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void GLTestContext::overrideVersion(const char* version, const char* shadingLanguageVersion) {
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#ifdef SK_GL
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// GrGLFunction has both a limited capture size and doesn't call a destructor when it is
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// initialized with a lambda. So here we're trusting fOriginalGLInterface will be kept alive.
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auto getString = [wrapped = &fOriginalGLInterface->fFunctions.fGetString,
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version,
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shadingLanguageVersion](GrGLenum name) {
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if (name == GR_GL_VERSION) {
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return reinterpret_cast<const GrGLubyte*>(version);
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} else if (name == GR_GL_SHADING_LANGUAGE_VERSION) {
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return reinterpret_cast<const GrGLubyte*>(shadingLanguageVersion);
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}
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return (*wrapped)(name);
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};
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auto newInterface = sk_make_sp<GrGLInterface>(*fOriginalGLInterface);
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newInterface->fFunctions.fGetString = getString;
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fGLInterface = std::move(newInterface);
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#endif
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};
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sk_sp<GrDirectContext> GLTestContext::makeContext(const GrContextOptions& options) {
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#ifdef SK_GL
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return GrDirectContext::MakeGL(fGLInterface, options);
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#else
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return nullptr;
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#endif
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}
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} // namespace sk_gpu_test
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