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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
// Config.h: Defines the egl::Config class, describing the format, type
// and size for an egl::Surface. Implements EGLConfig and related functionality.
// [EGL 1.4] section 3.4 page 15.
#include "Renderer/Surface.hpp"
#include <EGL/egl.h>
#include <set>
namespace egl
class Display;
class Config
Config(sw::Format displayFormat, EGLint minSwapInterval, EGLint maxSwapInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample);
EGLConfig getHandle() const;
const sw::Format mRenderTargetFormat;
const sw::Format mDepthStencilFormat;
const EGLint mMultiSample;
EGLint mBufferSize; // Depth of the color buffer
EGLint mRedSize; // Bits of Red in the color buffer
EGLint mGreenSize; // Bits of Green in the color buffer
EGLint mBlueSize; // Bits of Blue in the color buffer
EGLint mLuminanceSize; // Bits of Luminance in the color buffer
EGLint mAlphaSize; // Bits of Alpha in the color buffer
EGLint mAlphaMaskSize; // Bits of Alpha Mask in the mask buffer
EGLBoolean mBindToTextureRGB; // True if bindable to RGB textures.
EGLBoolean mBindToTextureRGBA; // True if bindable to RGBA textures.
EGLenum mColorBufferType; // Color buffer type
EGLenum mConfigCaveat; // Any caveats for the configuration
EGLint mConfigID; // Unique EGLConfig identifier
EGLint mConformant; // Whether contexts created with this config are conformant
EGLint mDepthSize; // Bits of Z in the depth buffer
EGLint mLevel; // Frame buffer level
EGLBoolean mMatchNativePixmap; // Match the native pixmap format
EGLint mMaxPBufferWidth; // Maximum width of pbuffer
EGLint mMaxPBufferHeight; // Maximum height of pbuffer
EGLint mMaxPBufferPixels; // Maximum size of pbuffer
EGLint mMaxSwapInterval; // Maximum swap interval
EGLint mMinSwapInterval; // Minimum swap interval
EGLBoolean mNativeRenderable; // EGL_TRUE if native rendering APIs can render to surface
EGLint mNativeVisualID; // Handle of corresponding native visual
EGLint mNativeVisualType; // Native visual type of the associated visual
EGLint mRenderableType; // Which client rendering APIs are supported.
EGLint mSampleBuffers; // Number of multisample buffers
EGLint mSamples; // Number of samples per pixel
EGLint mStencilSize; // Bits of Stencil in the stencil buffer
EGLint mSurfaceType; // Which types of EGL surfaces are supported.
EGLenum mTransparentType; // Type of transparency supported
EGLint mTransparentRedValue; // Transparent red value
EGLint mTransparentGreenValue; // Transparent green value
EGLint mTransparentBlueValue; // Transparent blue value
EGLBoolean mRecordableAndroid; // EGL_ANDROID_recordable
EGLBoolean mFramebufferTargetAndroid; // EGL_ANDROID_framebuffer_target
EGLenum mBindToTextureTargetANGLE; // EGL_ANGLE_iosurface_client_buffer
struct CompareConfig
bool operator()(const Config &x, const Config &y) const;
class ConfigSet
friend class Display;
void add(sw::Format displayFormat, EGLint minSwapInterval, EGLint maxSwapInterval, sw::Format renderTargetFormat, sw::Format depthStencilFormat, EGLint multiSample);
size_t size() const;
bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig);
const egl::Config *get(EGLConfig configHandle);
typedef std::set<Config, CompareConfig> Set;
typedef Set::iterator Iterator;
Set mSet;