| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_GL_UTIL_H_ |
| #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_GL_UTIL_H_ |
| |
| #include "third_party/gvr-android-sdk/src/ndk/include/vr/gvr/capi/include/gvr_types.h" |
| #include "ui/gl/gl_bindings.h" |
| |
| namespace vr_shell { |
| |
| std::array<float, 16> MatrixToGLArray(const gvr::Mat4f& matrix); |
| |
| gvr::Rectf ModulateRect(const gvr::Rectf& rect, float width, float height); |
| |
| gvr::Recti CalculatePixelSpaceRect(const gvr::Sizei& texture_size, |
| const gvr::Rectf& texture_rect); |
| |
| // Compile a shader. |
| GLuint CompileShader(GLenum shader_type, |
| const GLchar* shader_source, |
| std::string& error); |
| |
| // Compile and link a program. |
| GLuint CreateAndLinkProgram(GLuint vertex_shader_handle, |
| GLuint fragment_shader_handle, |
| std::string& error); |
| |
| } // namespace vr_shell |
| |
| #endif // CHROME_BROWSER_ANDROID_VR_SHELL_VR_GL_UTIL_H_ |