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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium 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 // Helper functions for GL. | 5 // Helper functions for GL. |
6 | 6 |
7 #ifndef GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_ | 7 #ifndef GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_ |
8 #define GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_ | 8 #define GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_ |
9 | 9 |
10 #include <GLES2/gl2.h> | 10 #include <GLES2/gl2.h> |
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28 // Compiles 2 shaders, attaches and links them to a program | 28 // Compiles 2 shaders, attaches and links them to a program |
29 // Returns program, 0 on failure. | 29 // Returns program, 0 on failure. |
30 static GLuint LoadProgram( | 30 static GLuint LoadProgram( |
31 const char* vertex_shader_source, | 31 const char* vertex_shader_source, |
32 const char* fragment_shader_source); | 32 const char* fragment_shader_source); |
33 | 33 |
34 // Make a unit quad with position only. | 34 // Make a unit quad with position only. |
35 // Returns the created buffer. | 35 // Returns the created buffer. |
36 static GLuint SetupUnitQuad(GLint position_location); | 36 static GLuint SetupUnitQuad(GLint position_location); |
37 | 37 |
38 // Make a 6 vertex colors. | |
39 // Returns the created buffer. | |
40 static GLuint SetupColorsForUnitQuad( | |
41 GLint location, const GLfloat color[4], GLenum usage); | |
42 | |
43 // Checks an area of pixels for a color. | 38 // Checks an area of pixels for a color. |
44 static bool CheckPixels( | 39 static bool CheckPixels( |
45 GLint x, GLint y, GLsizei width, GLsizei height, GLint tolerance, | 40 GLint x, GLint y, GLsizei width, GLsizei height, GLint tolerance, |
46 const uint8* color); | 41 const uint8* color); |
47 | 42 |
48 // Uses ReadPixels to save an area of the current FBO/Backbuffer. | 43 // Uses ReadPixels to save an area of the current FBO/Backbuffer. |
49 static bool SaveBackbufferAsBMP(const char* filename, int width, int height); | 44 static bool SaveBackbufferAsBMP(const char* filename, int width, int height); |
50 | 45 |
51 // Run unit tests. | 46 // Run unit tests. |
52 static int RunTests(int argc, char** argv); | 47 static int RunTests(int argc, char** argv); |
53 }; | 48 }; |
54 | 49 |
55 #endif // GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_ | 50 #endif // GPU_COMMAND_BUFFER_TESTS_GL_TEST_UTILS_H_ |
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