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Issue 1282001: Added window manager graphics performance tests to gl_Bench. (Closed)
Patch Set: Implemented requested name change, retested Created 10 years, 9 months ago
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1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BENCH_GL_MAIN_H_ 5 #ifndef BENCH_GL_MAIN_H_
6 #define BENCH_GL_MAIN_H_ 6 #define BENCH_GL_MAIN_H_
7 7
8 #include <sys/time.h> 8 #include <sys/time.h>
9 9
10 #ifdef USE_GLES 10 #ifdef USE_GLES
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59 void DestroyContext(); 59 void DestroyContext();
60 void SwapBuffers(); 60 void SwapBuffers();
61 bool SwapInterval(int interval); 61 bool SwapInterval(int interval);
62 62
63 // BenchFunc functions are assumed to execute an operation iter times. See 63 // BenchFunc functions are assumed to execute an operation iter times. See
64 // Bench for a detailed explanation. 64 // Bench for a detailed explanation.
65 typedef void (*BenchFunc)(int iter); 65 typedef void (*BenchFunc)(int iter);
66 66
67 uint64_t TimeBench(BenchFunc func, int iter); 67 uint64_t TimeBench(BenchFunc func, int iter);
68 68
69 // This size is for a window that is very large but will fit on all
70 // the displays we care about.
71 #define WINDOW_WIDTH 512
72 #define WINDOW_HEIGHT 512
73
69 #define MAX_ITERATION_DURATION_MS 100000 74 #define MAX_ITERATION_DURATION_MS 100000
70 // Runs func passing it sequential powers of two (8, 16, 32,...) recording time 75 // Runs func passing it sequential powers of two (8, 16, 32,...) recording time
71 // it took. The data is then fitted linearly, obtaining slope and bias such 76 // it took. The data is then fitted linearly, obtaining slope and bias such
72 // that: 77 // that:
73 // time it took to run x iterations = slope * x + bias 78 // time it took to run x iterations = slope * x + bias
74 // Returns false if one iteration of the test takes longer than 79 // Returns false if one iteration of the test takes longer than
75 // MAX_ITERATION_LENGTH_MS. The test is then assumed too slow to provide 80 // MAX_ITERATION_LENGTH_MS. The test is then assumed too slow to provide
76 // meaningful results. 81 // meaningful results.
77 bool Bench(BenchFunc func, float *slope, int64_t *bias); 82 bool Bench(BenchFunc func, float *slope, int64_t *bias);
78 83
79 void *MmapFile(const char *name, size_t *length); 84 void *MmapFile(const char *name, size_t *length);
80 85
81 #endif // BENCH_GL_MAIN_H_ 86 #endif // BENCH_GL_MAIN_H_
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