1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libEGL/Config.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,115 @@
1.4 +//
1.5 +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Config.h: Defines the egl::Config class, describing the format, type
1.11 +// and size for an egl::Surface. Implements EGLConfig and related functionality.
1.12 +// [EGL 1.4] section 3.4 page 15.
1.13 +
1.14 +#ifndef INCLUDE_CONFIG_H_
1.15 +#define INCLUDE_CONFIG_H_
1.16 +
1.17 +#define EGLAPI
1.18 +#include <EGL/egl.h>
1.19 +
1.20 +#include <set>
1.21 +
1.22 +#include "libGLESv2/renderer/Renderer.h"
1.23 +#include "common/angleutils.h"
1.24 +
1.25 +namespace egl
1.26 +{
1.27 +class Display;
1.28 +
1.29 +class Config
1.30 +{
1.31 + public:
1.32 + Config(rx::ConfigDesc desc, EGLint minSwapInterval, EGLint maxSwapInterval, EGLint texWidth, EGLint texHeight);
1.33 +
1.34 + EGLConfig getHandle() const;
1.35 +
1.36 + const GLenum mRenderTargetFormat;
1.37 + const GLenum mDepthStencilFormat;
1.38 + const GLint mMultiSample;
1.39 +
1.40 + EGLint mBufferSize; // Depth of the color buffer
1.41 + EGLint mRedSize; // Bits of Red in the color buffer
1.42 + EGLint mGreenSize; // Bits of Green in the color buffer
1.43 + EGLint mBlueSize; // Bits of Blue in the color buffer
1.44 + EGLint mLuminanceSize; // Bits of Luminance in the color buffer
1.45 + EGLint mAlphaSize; // Bits of Alpha in the color buffer
1.46 + EGLint mAlphaMaskSize; // Bits of Alpha Mask in the mask buffer
1.47 + EGLBoolean mBindToTextureRGB; // True if bindable to RGB textures.
1.48 + EGLBoolean mBindToTextureRGBA; // True if bindable to RGBA textures.
1.49 + EGLenum mColorBufferType; // Color buffer type
1.50 + EGLenum mConfigCaveat; // Any caveats for the configuration
1.51 + EGLint mConfigID; // Unique EGLConfig identifier
1.52 + EGLint mConformant; // Whether contexts created with this config are conformant
1.53 + EGLint mDepthSize; // Bits of Z in the depth buffer
1.54 + EGLint mLevel; // Frame buffer level
1.55 + EGLBoolean mMatchNativePixmap; // Match the native pixmap format
1.56 + EGLint mMaxPBufferWidth; // Maximum width of pbuffer
1.57 + EGLint mMaxPBufferHeight; // Maximum height of pbuffer
1.58 + EGLint mMaxPBufferPixels; // Maximum size of pbuffer
1.59 + EGLint mMaxSwapInterval; // Maximum swap interval
1.60 + EGLint mMinSwapInterval; // Minimum swap interval
1.61 + EGLBoolean mNativeRenderable; // EGL_TRUE if native rendering APIs can render to surface
1.62 + EGLint mNativeVisualID; // Handle of corresponding native visual
1.63 + EGLint mNativeVisualType; // Native visual type of the associated visual
1.64 + EGLint mRenderableType; // Which client rendering APIs are supported.
1.65 + EGLint mSampleBuffers; // Number of multisample buffers
1.66 + EGLint mSamples; // Number of samples per pixel
1.67 + EGLint mStencilSize; // Bits of Stencil in the stencil buffer
1.68 + EGLint mSurfaceType; // Which types of EGL surfaces are supported.
1.69 + EGLenum mTransparentType; // Type of transparency supported
1.70 + EGLint mTransparentRedValue; // Transparent red value
1.71 + EGLint mTransparentGreenValue; // Transparent green value
1.72 + EGLint mTransparentBlueValue; // Transparent blue value
1.73 +};
1.74 +
1.75 +// Function object used by STL sorting routines for ordering Configs according to [EGL] section 3.4.1 page 24.
1.76 +class SortConfig
1.77 +{
1.78 + public:
1.79 + explicit SortConfig(const EGLint *attribList);
1.80 +
1.81 + bool operator()(const Config *x, const Config *y) const;
1.82 + bool operator()(const Config &x, const Config &y) const;
1.83 +
1.84 + private:
1.85 + void scanForWantedComponents(const EGLint *attribList);
1.86 + EGLint wantedComponentsSize(const Config &config) const;
1.87 +
1.88 + bool mWantRed;
1.89 + bool mWantGreen;
1.90 + bool mWantBlue;
1.91 + bool mWantAlpha;
1.92 + bool mWantLuminance;
1.93 +};
1.94 +
1.95 +class ConfigSet
1.96 +{
1.97 + friend Display;
1.98 +
1.99 + public:
1.100 + ConfigSet();
1.101 +
1.102 + void add(rx::ConfigDesc desc, EGLint minSwapInterval, EGLint maxSwapInterval, EGLint texWidth, EGLint texHeight);
1.103 + size_t size() const;
1.104 + bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig);
1.105 + const egl::Config *get(EGLConfig configHandle);
1.106 +
1.107 + private:
1.108 + DISALLOW_COPY_AND_ASSIGN(ConfigSet);
1.109 +
1.110 + typedef std::set<Config, SortConfig> Set;
1.111 + typedef Set::iterator Iterator;
1.112 + Set mSet;
1.113 +
1.114 + static const EGLint mSortAttribs[];
1.115 +};
1.116 +}
1.117 +
1.118 +#endif // INCLUDE_CONFIG_H_
