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comparison: gfx/angle/src/libEGL/Config.h
gfx/angle/src/libEGL/Config.h
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- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:a883df8bd122 |
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| 1 // | |
| 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 // Config.h: Defines the egl::Config class, describing the format, type | |
| 8 // and size for an egl::Surface. Implements EGLConfig and related functionality. | |
| 9 // [EGL 1.4] section 3.4 page 15. | |
| 10 | |
| 11 #ifndef INCLUDE_CONFIG_H_ | |
| 12 #define INCLUDE_CONFIG_H_ | |
| 13 | |
| 14 #define EGLAPI | |
| 15 #include <EGL/egl.h> | |
| 16 | |
| 17 #include <set> | |
| 18 | |
| 19 #include "libGLESv2/renderer/Renderer.h" | |
| 20 #include "common/angleutils.h" | |
| 21 | |
| 22 namespace egl | |
| 23 { | |
| 24 class Display; | |
| 25 | |
| 26 class Config | |
| 27 { | |
| 28 public: | |
| 29 Config(rx::ConfigDesc desc, EGLint minSwapInterval, EGLint maxSwapInterval, EGLint texWidth, EGLint texHeight); | |
| 30 | |
| 31 EGLConfig getHandle() const; | |
| 32 | |
| 33 const GLenum mRenderTargetFormat; | |
| 34 const GLenum mDepthStencilFormat; | |
| 35 const GLint mMultiSample; | |
| 36 | |
| 37 EGLint mBufferSize; // Depth of the color buffer | |
| 38 EGLint mRedSize; // Bits of Red in the color buffer | |
| 39 EGLint mGreenSize; // Bits of Green in the color buffer | |
| 40 EGLint mBlueSize; // Bits of Blue in the color buffer | |
| 41 EGLint mLuminanceSize; // Bits of Luminance in the color buffer | |
| 42 EGLint mAlphaSize; // Bits of Alpha in the color buffer | |
| 43 EGLint mAlphaMaskSize; // Bits of Alpha Mask in the mask buffer | |
| 44 EGLBoolean mBindToTextureRGB; // True if bindable to RGB textures. | |
| 45 EGLBoolean mBindToTextureRGBA; // True if bindable to RGBA textures. | |
| 46 EGLenum mColorBufferType; // Color buffer type | |
| 47 EGLenum mConfigCaveat; // Any caveats for the configuration | |
| 48 EGLint mConfigID; // Unique EGLConfig identifier | |
| 49 EGLint mConformant; // Whether contexts created with this config are conformant | |
| 50 EGLint mDepthSize; // Bits of Z in the depth buffer | |
| 51 EGLint mLevel; // Frame buffer level | |
| 52 EGLBoolean mMatchNativePixmap; // Match the native pixmap format | |
| 53 EGLint mMaxPBufferWidth; // Maximum width of pbuffer | |
| 54 EGLint mMaxPBufferHeight; // Maximum height of pbuffer | |
| 55 EGLint mMaxPBufferPixels; // Maximum size of pbuffer | |
| 56 EGLint mMaxSwapInterval; // Maximum swap interval | |
| 57 EGLint mMinSwapInterval; // Minimum swap interval | |
| 58 EGLBoolean mNativeRenderable; // EGL_TRUE if native rendering APIs can render to surface | |
| 59 EGLint mNativeVisualID; // Handle of corresponding native visual | |
| 60 EGLint mNativeVisualType; // Native visual type of the associated visual | |
| 61 EGLint mRenderableType; // Which client rendering APIs are supported. | |
| 62 EGLint mSampleBuffers; // Number of multisample buffers | |
| 63 EGLint mSamples; // Number of samples per pixel | |
| 64 EGLint mStencilSize; // Bits of Stencil in the stencil buffer | |
| 65 EGLint mSurfaceType; // Which types of EGL surfaces are supported. | |
| 66 EGLenum mTransparentType; // Type of transparency supported | |
| 67 EGLint mTransparentRedValue; // Transparent red value | |
| 68 EGLint mTransparentGreenValue; // Transparent green value | |
| 69 EGLint mTransparentBlueValue; // Transparent blue value | |
| 70 }; | |
| 71 | |
| 72 // Function object used by STL sorting routines for ordering Configs according to [EGL] section 3.4.1 page 24. | |
| 73 class SortConfig | |
| 74 { | |
| 75 public: | |
| 76 explicit SortConfig(const EGLint *attribList); | |
| 77 | |
| 78 bool operator()(const Config *x, const Config *y) const; | |
| 79 bool operator()(const Config &x, const Config &y) const; | |
| 80 | |
| 81 private: | |
| 82 void scanForWantedComponents(const EGLint *attribList); | |
| 83 EGLint wantedComponentsSize(const Config &config) const; | |
| 84 | |
| 85 bool mWantRed; | |
| 86 bool mWantGreen; | |
| 87 bool mWantBlue; | |
| 88 bool mWantAlpha; | |
| 89 bool mWantLuminance; | |
| 90 }; | |
| 91 | |
| 92 class ConfigSet | |
| 93 { | |
| 94 friend Display; | |
| 95 | |
| 96 public: | |
| 97 ConfigSet(); | |
| 98 | |
| 99 void add(rx::ConfigDesc desc, EGLint minSwapInterval, EGLint maxSwapInterval, EGLint texWidth, EGLint texHeight); | |
| 100 size_t size() const; | |
| 101 bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig); | |
| 102 const egl::Config *get(EGLConfig configHandle); | |
| 103 | |
| 104 private: | |
| 105 DISALLOW_COPY_AND_ASSIGN(ConfigSet); | |
| 106 | |
| 107 typedef std::set<Config, SortConfig> Set; | |
| 108 typedef Set::iterator Iterator; | |
| 109 Set mSet; | |
| 110 | |
| 111 static const EGLint mSortAttribs[]; | |
| 112 }; | |
| 113 } | |
| 114 | |
| 115 #endif // INCLUDE_CONFIG_H_ |
