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// 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_
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