skia2/tools/gpu/gl/GLTestContext.cpp

261 lines
8.5 KiB
C++
Raw Normal View History

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tools/gpu/gl/GLTestContext.h"
#include "include/gpu/GrDirectContext.h"
#include "src/gpu/gl/GrGLUtil.h"
#include "tools/gpu/GpuTimer.h"
namespace {
class GLGpuTimer : public sk_gpu_test::GpuTimer {
public:
static std::unique_ptr<GLGpuTimer> MakeIfSupported(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:
#ifdef SK_GL
GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext*, const char* ext = "");
bool validate() const;
#endif
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;
using INHERITED = sk_gpu_test::GpuTimer;
};
std::unique_ptr<GLGpuTimer> GLGpuTimer::MakeIfSupported(const sk_gpu_test::GLTestContext* ctx) {
#ifdef SK_GL
std::unique_ptr<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"));
}
if (ret && !ret->validate()) {
ret = nullptr;
}
return ret;
#else
return nullptr;
#endif
}
#ifdef SK_GL
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;
}
#endif
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);
}
static_assert(sizeof(GrGLuint) <= sizeof(sk_gpu_test::PlatformTimerQuery));
} // anonymous namespace
namespace sk_gpu_test {
GLTestContext::GLTestContext() : TestContext() {}
GLTestContext::~GLTestContext() {
SkASSERT(!fGLInterface);
SkASSERT(!fOriginalGLInterface);
}
bool GLTestContext::isValid() const {
#ifdef SK_GL
return SkToBool(this->gl());
#else
return fWasInitialized;
#endif
}
static bool fence_is_supported(const GLTestContext* ctx) {
#ifdef SK_GL
if (kGL_GrGLStandard == ctx->gl()->fStandard) {
if (GrGLGetVersion(ctx->gl()) < GR_GL_VER(3, 2) &&
!ctx->gl()->hasExtension("GL_ARB_sync")) {
return false;
}
return true;
} else {
if (ctx->gl()->hasExtension("GL_APPLE_sync")) {
return true;
} else if (ctx->gl()->hasExtension("GL_NV_fence")) {
return true;
} else if (GrGLGetVersion(ctx->gl()) >= GR_GL_VER(3, 0)) {
return true;
} else {
return false;
}
}
#else
return false;
#endif
}
void GLTestContext::init(sk_sp<const GrGLInterface> gl) {
fGLInterface = std::move(gl);
fOriginalGLInterface = fGLInterface;
fFenceSupport = fence_is_supported(this);
fGpuTimer = GLGpuTimer::MakeIfSupported(this);
#ifndef SK_GL
fWasInitialized = true;
#endif
}
void GLTestContext::teardown() {
fGLInterface.reset();
fOriginalGLInterface.reset();
INHERITED::teardown();
}
void GLTestContext::testAbandon() {
INHERITED::testAbandon();
#ifdef SK_GL
if (fGLInterface) {
fGLInterface->abandon();
fOriginalGLInterface->abandon();
}
#endif
}
void GLTestContext::finish() {
#ifdef SK_GL
if (fGLInterface) {
GR_GL_CALL(fGLInterface.get(), Finish());
}
#endif
}
void GLTestContext::overrideVersion(const char* version, const char* shadingLanguageVersion) {
#ifdef SK_GL
// GrGLFunction has both a limited capture size and doesn't call a destructor when it is
// initialized with a lambda. So here we're trusting fOriginalGLInterface will be kept alive.
auto getString = [wrapped = &fOriginalGLInterface->fFunctions.fGetString,
version,
shadingLanguageVersion](GrGLenum name) {
if (name == GR_GL_VERSION) {
return reinterpret_cast<const GrGLubyte*>(version);
} else if (name == GR_GL_SHADING_LANGUAGE_VERSION) {
return reinterpret_cast<const GrGLubyte*>(shadingLanguageVersion);
}
return (*wrapped)(name);
};
auto newInterface = sk_make_sp<GrGLInterface>(*fOriginalGLInterface);
newInterface->fFunctions.fGetString = getString;
fGLInterface = std::move(newInterface);
#endif
};
sk_sp<GrDirectContext> GLTestContext::makeContext(const GrContextOptions& options) {
#ifdef SK_GL
return GrDirectContext::MakeGL(fGLInterface, options);
#else
return nullptr;
#endif
}
} // namespace sk_gpu_test