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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef UI_GL_TEST_GL_TEST_HELPER_H_ | 5 #ifndef UI_GL_GL_HELPER_H_ |
6 #define UI_GL_TEST_GL_TEST_HELPER_H_ | 6 #define UI_GL_GL_HELPER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "ui/gl/gl_bindings.h" | 9 #include "ui/gl/gl_bindings.h" |
10 | 10 |
11 namespace gfx { | 11 namespace gfx { |
12 | 12 |
13 class GLTestHelper { | 13 class GL_EXPORT GLHelper { |
14 public: | 14 public: |
15 // Creates a texture object. | |
16 // Does not check for errors, always returns texture. | |
17 static GLuint CreateTexture(GLenum target); | |
18 | |
19 // Compiles a shader. | 15 // Compiles a shader. |
20 // Does not check for errors, always returns shader. | 16 // Does not check for errors, always returns shader. |
21 static GLuint CompileShader(GLenum type, const char* src); | 17 static GLuint CompileShader(GLenum type, const char* src); |
22 | 18 |
23 // Compiles a shader and checks for compilation errors. | 19 // Compiles a shader and checks for compilation errors. |
24 // Returns shader, 0 on failure. | 20 // Returns shader, 0 on failure. |
25 static GLuint LoadShader(GLenum type, const char* src); | 21 static GLuint LoadShader(GLenum type, const char* src); |
26 | 22 |
27 // Attaches 2 shaders and links them to a program. | 23 // Attaches 2 shaders and links them to a program. |
28 // Does not check for errors, always returns program. | 24 // Does not check for errors, always returns program. |
29 static GLuint LinkProgram(GLuint vertex_shader, GLuint fragment_shader); | 25 static GLuint LinkProgram(GLuint vertex_shader, GLuint fragment_shader); |
30 | 26 |
31 // Attaches 2 shaders, links them to a program, and checks for errors. | 27 // Attaches 2 shaders, links them to a program, and checks for errors. |
32 // Returns program, 0 on failure. | 28 // Returns program, 0 on failure. |
33 static GLuint SetupProgram(GLuint vertex_shader, GLuint fragment_shader); | 29 static GLuint SetupProgram(GLuint vertex_shader, GLuint fragment_shader); |
34 | |
35 // Creates a framebuffer, attaches a color buffer, and checks for errors. | |
36 // Returns framebuffer, 0 on failure. | |
37 static GLuint SetupFramebuffer(int width, int height); | |
38 | |
39 // Checks an area of pixels for a color. | |
40 static bool CheckPixels(GLint x, | |
41 GLint y, | |
42 GLsizei width, | |
43 GLsizei height, | |
44 const uint8_t expected_color[4]); | |
45 }; | 30 }; |
46 | 31 |
47 } // namespace gfx | 32 } // namespace gfx |
48 | 33 |
49 #endif // UI_GL_TEST_GL_TEST_HELPER_H_ | 34 #endif // UI_GL_GL_HELPER_H_ |
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