Config.h

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Author : alokp@chromium.org
Date : 2010-03-22 19:33:14
Hash : ea0e1af4
Message : Minor reshuffling of directory structure in preparation of ESSL to GLSL compiler work. 1. Added include/GLSLANG which includes compiler API 2. Deleted src/include and moved the header files to the same directory as the corresponding source files 3. Modied include path to be relative to src/. I have only fixed paths for files I moved. We should fix it for all new files at least. It is much easier to see where an included file is coming from. I noticed that a few libGLESv2 source files include headers from libEGL project, which seems wrong. I think we should address this issue. Next step: move compiler source files to compiler/frontend and create two new projects compiler/glsl_backend and compiler/hlsl_backend. Review URL: http://codereview.appspot.com/662042 git-svn-id: https://angleproject.googlecode.com/svn/trunk@62 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libEGL/Config.h

//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// 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.

#ifndef INCLUDE_CONFIG_H_
#define INCLUDE_CONFIG_H_

#define EGLAPI
#include <EGL/egl.h>
#include <d3d9.h>

#include <set>

#include "common/angleutils.h"

namespace egl
{
class Config
{
  public:
    Config(D3DDISPLAYMODE displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, D3DFORMAT renderTargetFormat, D3DFORMAT depthStencilFormat, EGLint multiSample);

    void setDefaults();
    void set(D3DDISPLAYMODE displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, D3DFORMAT renderTargetFormat, D3DFORMAT depthStencilFormat, EGLint multiSample);
    EGLConfig getHandle() const;

    const D3DDISPLAYMODE mDisplayMode;
    const D3DFORMAT mRenderTargetFormat;
    const D3DFORMAT 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
};

// Function object used by STL sorting routines for ordering Configs according to [EGL] section 3.4.1 page 24.
class SortConfig
{
  public:
    explicit SortConfig(const EGLint *attribList);

    bool operator()(const Config *x, const Config *y) const;
    bool operator()(const Config &x, const Config &y) const;

  private:
    void scanForWantedComponents(const EGLint *attribList);
    EGLint wantedComponentsSize(const Config &config) const;

    bool mWantRed;
    bool mWantGreen;
    bool mWantBlue;
    bool mWantAlpha;
    bool mWantLuminance;
};

class ConfigSet
{
  public:
    ConfigSet();

    void add(D3DDISPLAYMODE displayMode, EGLint minSwapInterval, EGLint maxSwapInterval, D3DFORMAT renderTargetFormat, D3DFORMAT depthStencilFormat, EGLint multiSample);
    void enumerate();
    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, SortConfig> Set;
    typedef Set::iterator Iterator;
    Set mSet;

  private:
    DISALLOW_COPY_AND_ASSIGN(ConfigSet);

    static const EGLint mSortAttribs[];
};
}

#endif   // INCLUDE_CONFIG_H_

kc3-lang/angle/src/libEGL/Config.h

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kc3-lang/angle /src/libEGL/Config.h