| // Copyright 2018 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 UI_GL_GL_IMAGE_IO_SURFACE_EGL_H_ |
| #define UI_GL_GL_IMAGE_IO_SURFACE_EGL_H_ |
| |
| #include "ui/gl/gl_image_io_surface.h" |
| |
| #include <EGL/egl.h> |
| |
| namespace gl { |
| |
| // Implements a IOSurface-backed GLImage that uses the |
| // EGL_ANGLE_iosurface_client_buffer extension to bind the IOSurface to textures |
| class GL_EXPORT GLImageIOSurfaceEGL : public GLImageIOSurface { |
| public: |
| GLImageIOSurfaceEGL(const gfx::Size& size, |
| unsigned internalformat, |
| bool emulate_rgb); |
| |
| void ReleaseTexImage(unsigned target) override; |
| |
| protected: |
| ~GLImageIOSurfaceEGL() override; |
| bool BindTexImageImpl(unsigned target, unsigned internalformat) override; |
| bool CopyTexImage(unsigned target) override; |
| |
| private: |
| // If Swiftshader is being used, use the RGB emulation paths in the validating |
| // command decoder instead of creating the IOSurface with an RGB format. ANGLE |
| // handles the emulation internally. This can be removed once Swiftshader is |
| // used as an ANGLE backend. |
| bool emulate_rgb_; |
| |
| EGLDisplay display_; |
| EGLSurface pbuffer_; |
| EGLConfig dummy_config_; |
| EGLint texture_target_; |
| bool texture_bound_; |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_GL_IMAGE_IO_SURFACE_EGL_H_ |