| // Copyright 2017 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_SURFACE_FORMAT_H_ |
| #define UI_GL_GL_SURFACE_FORMAT_H_ |
| |
| #include "ui/gl/gl_export.h" |
| |
| namespace gl { |
| |
| class GL_EXPORT GLSurfaceFormat { |
| public: |
| |
| // For use with constructor. |
| enum SurfacePixelLayout { |
| PIXEL_LAYOUT_DONT_CARE = -1, |
| PIXEL_LAYOUT_BGRA, |
| PIXEL_LAYOUT_RGBA, |
| }; |
| |
| GLSurfaceFormat(); |
| |
| ~GLSurfaceFormat(); |
| |
| GLSurfaceFormat(SurfacePixelLayout layout); |
| |
| GLSurfaceFormat(const GLSurfaceFormat& other); |
| |
| bool IsDefault(); |
| |
| void SetIsSurfaceless(); |
| bool IsSurfaceless(); |
| |
| bool IsCompatible(GLSurfaceFormat other_format); |
| |
| // Default pixel format is RGBA8888. Use this method to select |
| // a preference of RGB565. TODO(klausw): use individual setter |
| // methods if there's a use case for them. |
| void SetRGB565(); |
| |
| // Other properties for future use. |
| void SetDepthBits(int depth_bits); |
| int GetDepthBits(); |
| |
| void SetStencilBits(int stencil_bits); |
| int GetStencilBits(); |
| |
| void SetSamples(int samples); |
| int GetSamples(); |
| |
| void SetDefaultPixelLayout(SurfacePixelLayout layout); |
| |
| SurfacePixelLayout GetPixelLayout(); |
| |
| int GetBufferSize(); |
| |
| private: |
| bool is_default_ = true; |
| SurfacePixelLayout pixel_layout_ = PIXEL_LAYOUT_DONT_CARE; |
| bool is_surfaceless_ = false; |
| int red_bits_ = -1; |
| int green_bits_ = -1; |
| int blue_bits_ = -1; |
| int alpha_bits_ = -1; |
| int depth_bits_ = -1; |
| int samples_ = -1; |
| int stencil_bits_ = -1; |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_GL_SURFACE_FORMAT_H_ |