1 /*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "tools/gpu/gl/GLTestContext.h"
9
10 #include "include/gpu/GrDirectContext.h"
11 #include "src/gpu/gl/GrGLUtil.h"
12 #include "tools/gpu/GpuTimer.h"
13
14 namespace {
15
16 class GLGpuTimer : public sk_gpu_test::GpuTimer {
17 public:
18 static std::unique_ptr<GLGpuTimer> MakeIfSupported(const sk_gpu_test::GLTestContext*);
19
20 QueryStatus checkQueryStatus(sk_gpu_test::PlatformTimerQuery) override;
21 std::chrono::nanoseconds getTimeElapsed(sk_gpu_test::PlatformTimerQuery) override;
22 void deleteQuery(sk_gpu_test::PlatformTimerQuery) override;
23
24 private:
25 #ifdef SK_GL
26 GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext*, const char* ext = "");
27 bool validate() const;
28 #endif
29
30 sk_gpu_test::PlatformTimerQuery onQueueTimerStart() const override;
31 void onQueueTimerStop(sk_gpu_test::PlatformTimerQuery) const override;
32
33 inline static constexpr GrGLenum GL_QUERY_RESULT = 0x8866;
34 inline static constexpr GrGLenum GL_QUERY_RESULT_AVAILABLE = 0x8867;
35 inline static constexpr GrGLenum GL_TIME_ELAPSED = 0x88bf;
36 inline static constexpr GrGLenum GL_GPU_DISJOINT = 0x8fbb;
37
38 typedef void (GR_GL_FUNCTION_TYPE* GLGetIntegervProc) (GrGLenum, GrGLint*);
39 typedef void (GR_GL_FUNCTION_TYPE* GLGenQueriesProc) (GrGLsizei, GrGLuint*);
40 typedef void (GR_GL_FUNCTION_TYPE* GLDeleteQueriesProc) (GrGLsizei, const GrGLuint*);
41 typedef void (GR_GL_FUNCTION_TYPE* GLBeginQueryProc) (GrGLenum, GrGLuint);
42 typedef void (GR_GL_FUNCTION_TYPE* GLEndQueryProc) (GrGLenum);
43 typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectuivProc) (GrGLuint, GrGLenum, GrGLuint*);
44 typedef void (GR_GL_FUNCTION_TYPE* GLGetQueryObjectui64vProc) (GrGLuint, GrGLenum, GrGLuint64*);
45
46 GLGetIntegervProc fGLGetIntegerv;
47 GLGenQueriesProc fGLGenQueries;
48 GLDeleteQueriesProc fGLDeleteQueries;
49 GLBeginQueryProc fGLBeginQuery;
50 GLEndQueryProc fGLEndQuery;
51 GLGetQueryObjectuivProc fGLGetQueryObjectuiv;
52 GLGetQueryObjectui64vProc fGLGetQueryObjectui64v;
53
54
55 using INHERITED = sk_gpu_test::GpuTimer;
56 };
57
MakeIfSupported(const sk_gpu_test::GLTestContext * ctx)58 std::unique_ptr<GLGpuTimer> GLGpuTimer::MakeIfSupported(const sk_gpu_test::GLTestContext* ctx) {
59 #ifdef SK_GL
60 std::unique_ptr<GLGpuTimer> ret;
61 const GrGLInterface* gl = ctx->gl();
62 if (gl->fExtensions.has("GL_EXT_disjoint_timer_query")) {
63 ret.reset(new GLGpuTimer(true, ctx, "EXT"));
64 } else if (kGL_GrGLStandard == gl->fStandard &&
65 (GrGLGetVersion(gl) > GR_GL_VER(3,3) || gl->fExtensions.has("GL_ARB_timer_query"))) {
66 ret.reset(new GLGpuTimer(false, ctx));
67 } else if (gl->fExtensions.has("GL_EXT_timer_query")) {
68 ret.reset(new GLGpuTimer(false, ctx, "EXT"));
69 }
70 if (ret && !ret->validate()) {
71 ret = nullptr;
72 }
73 return ret;
74 #else
75 return nullptr;
76 #endif
77 }
78
79 #ifdef SK_GL
GLGpuTimer(bool disjointSupport,const sk_gpu_test::GLTestContext * ctx,const char * ext)80 GLGpuTimer::GLGpuTimer(bool disjointSupport, const sk_gpu_test::GLTestContext* ctx, const char* ext)
81 : INHERITED(disjointSupport) {
82 ctx->getGLProcAddress(&fGLGetIntegerv, "glGetIntegerv");
83 ctx->getGLProcAddress(&fGLGenQueries, "glGenQueries", ext);
84 ctx->getGLProcAddress(&fGLDeleteQueries, "glDeleteQueries", ext);
85 ctx->getGLProcAddress(&fGLBeginQuery, "glBeginQuery", ext);
86 ctx->getGLProcAddress(&fGLEndQuery, "glEndQuery", ext);
87 ctx->getGLProcAddress(&fGLGetQueryObjectuiv, "glGetQueryObjectuiv", ext);
88 ctx->getGLProcAddress(&fGLGetQueryObjectui64v, "glGetQueryObjectui64v", ext);
89 }
90
validate() const91 bool GLGpuTimer::validate() const {
92 return fGLGetIntegerv && fGLGenQueries && fGLDeleteQueries && fGLBeginQuery && fGLEndQuery &&
93 fGLGetQueryObjectuiv && fGLGetQueryObjectui64v;
94 }
95 #endif
96
onQueueTimerStart() const97 sk_gpu_test::PlatformTimerQuery GLGpuTimer::onQueueTimerStart() const {
98 GrGLuint queryID;
99 fGLGenQueries(1, &queryID);
100 if (!queryID) {
101 return sk_gpu_test::kInvalidTimerQuery;
102 }
103 if (this->disjointSupport()) {
104 // Clear the disjoint flag.
105 GrGLint disjoint;
106 fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
107 }
108 fGLBeginQuery(GL_TIME_ELAPSED, queryID);
109 return static_cast<sk_gpu_test::PlatformTimerQuery>(queryID);
110 }
111
onQueueTimerStop(sk_gpu_test::PlatformTimerQuery platformTimer) const112 void GLGpuTimer::onQueueTimerStop(sk_gpu_test::PlatformTimerQuery platformTimer) const {
113 if (sk_gpu_test::kInvalidTimerQuery == platformTimer) {
114 return;
115 }
116 fGLEndQuery(GL_TIME_ELAPSED);
117 }
118
119 sk_gpu_test::GpuTimer::QueryStatus
checkQueryStatus(sk_gpu_test::PlatformTimerQuery platformTimer)120 GLGpuTimer::checkQueryStatus(sk_gpu_test::PlatformTimerQuery platformTimer) {
121 const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
122 if (!queryID) {
123 return QueryStatus::kInvalid;
124 }
125 GrGLuint available = 0;
126 fGLGetQueryObjectuiv(queryID, GL_QUERY_RESULT_AVAILABLE, &available);
127 if (!available) {
128 return QueryStatus::kPending;
129 }
130 if (this->disjointSupport()) {
131 GrGLint disjoint = 1;
132 fGLGetIntegerv(GL_GPU_DISJOINT, &disjoint);
133 if (disjoint) {
134 return QueryStatus::kDisjoint;
135 }
136 }
137 return QueryStatus::kAccurate;
138 }
139
getTimeElapsed(sk_gpu_test::PlatformTimerQuery platformTimer)140 std::chrono::nanoseconds GLGpuTimer::getTimeElapsed(sk_gpu_test::PlatformTimerQuery platformTimer) {
141 SkASSERT(this->checkQueryStatus(platformTimer) >= QueryStatus::kDisjoint);
142 const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
143 GrGLuint64 nanoseconds;
144 fGLGetQueryObjectui64v(queryID, GL_QUERY_RESULT, &nanoseconds);
145 return std::chrono::nanoseconds(nanoseconds);
146 }
147
deleteQuery(sk_gpu_test::PlatformTimerQuery platformTimer)148 void GLGpuTimer::deleteQuery(sk_gpu_test::PlatformTimerQuery platformTimer) {
149 const GrGLuint queryID = static_cast<GrGLuint>(platformTimer);
150 fGLDeleteQueries(1, &queryID);
151 }
152
153 static_assert(sizeof(GrGLuint) <= sizeof(sk_gpu_test::PlatformTimerQuery));
154
155 } // anonymous namespace
156
157 namespace sk_gpu_test {
158
GLTestContext()159 GLTestContext::GLTestContext() : TestContext() {}
160
~GLTestContext()161 GLTestContext::~GLTestContext() {
162 SkASSERT(!fGLInterface);
163 SkASSERT(!fOriginalGLInterface);
164 }
165
isValid() const166 bool GLTestContext::isValid() const {
167 #ifdef SK_GL
168 return SkToBool(this->gl());
169 #else
170 return fWasInitialized;
171 #endif
172 }
173
fence_is_supported(const GLTestContext * ctx)174 static bool fence_is_supported(const GLTestContext* ctx) {
175 #ifdef SK_GL
176 if (kGL_GrGLStandard == ctx->gl()->fStandard) {
177 if (GrGLGetVersion(ctx->gl()) < GR_GL_VER(3, 2) &&
178 !ctx->gl()->hasExtension("GL_ARB_sync")) {
179 return false;
180 }
181 return true;
182 } else {
183 if (ctx->gl()->hasExtension("GL_APPLE_sync")) {
184 return true;
185 } else if (ctx->gl()->hasExtension("GL_NV_fence")) {
186 return true;
187 } else if (GrGLGetVersion(ctx->gl()) >= GR_GL_VER(3, 0)) {
188 return true;
189 } else {
190 return false;
191 }
192 }
193 #else
194 return false;
195 #endif
196 }
197
init(sk_sp<const GrGLInterface> gl)198 void GLTestContext::init(sk_sp<const GrGLInterface> gl) {
199 fGLInterface = std::move(gl);
200 fOriginalGLInterface = fGLInterface;
201 fFenceSupport = fence_is_supported(this);
202 fGpuTimer = GLGpuTimer::MakeIfSupported(this);
203 #ifndef SK_GL
204 fWasInitialized = true;
205 #endif
206 }
207
teardown()208 void GLTestContext::teardown() {
209 fGLInterface.reset();
210 fOriginalGLInterface.reset();
211 INHERITED::teardown();
212 }
213
testAbandon()214 void GLTestContext::testAbandon() {
215 INHERITED::testAbandon();
216 #ifdef SK_GL
217 if (fGLInterface) {
218 fGLInterface->abandon();
219 fOriginalGLInterface->abandon();
220 }
221 #endif
222 }
223
finish()224 void GLTestContext::finish() {
225 #ifdef SK_GL
226 if (fGLInterface) {
227 GR_GL_CALL(fGLInterface.get(), Finish());
228 }
229 #endif
230 }
231
overrideVersion(const char * version,const char * shadingLanguageVersion)232 void GLTestContext::overrideVersion(const char* version, const char* shadingLanguageVersion) {
233 #ifdef SK_GL
234 // GrGLFunction has both a limited capture size and doesn't call a destructor when it is
235 // initialized with a lambda. So here we're trusting fOriginalGLInterface will be kept alive.
236 auto getString = [wrapped = &fOriginalGLInterface->fFunctions.fGetString,
237 version,
238 shadingLanguageVersion](GrGLenum name) {
239 if (name == GR_GL_VERSION) {
240 return reinterpret_cast<const GrGLubyte*>(version);
241 } else if (name == GR_GL_SHADING_LANGUAGE_VERSION) {
242 return reinterpret_cast<const GrGLubyte*>(shadingLanguageVersion);
243 }
244 return (*wrapped)(name);
245 };
246 auto newInterface = sk_make_sp<GrGLInterface>(*fOriginalGLInterface);
247 newInterface->fFunctions.fGetString = getString;
248 fGLInterface = std::move(newInterface);
249 #endif
250 };
251
makeContext(const GrContextOptions & options)252 sk_sp<GrDirectContext> GLTestContext::makeContext(const GrContextOptions& options) {
253 #ifdef SK_GL
254 return GrDirectContext::MakeGL(fGLInterface, options);
255 #else
256 return nullptr;
257 #endif
258 }
259
260 } // namespace sk_gpu_test
261