kc3-lang/angle/util/EGLPlatformParameters.h

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• Hash : a9868110
  Author :
  Date : 2022-09-15T17:29:04
  

  Add support for testing with Mesa + Zink.
  
  To run a trace test with zink, use --use-gl=zink.
  
  Bug: angleproject:7689
  Change-Id: I70073756f903db1c224fe6175d55be4cad637aca
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3899382
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• util/EGLPlatformParameters.h

• //
  // Copyright 2018 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.
  //
  // EGLPlatformParameters: Basic description of an EGL device.
  
  #ifndef UTIL_EGLPLATFORMPARAMETERS_H_
  #define UTIL_EGLPLATFORMPARAMETERS_H_
  
  #include "util/util_gl.h"
  
  #include "angle_features_autogen.h"
  
  #include <string>
  #include <tuple>
  #include <vector>
  
  namespace angle
  {
  struct PlatformMethods;
  
  // The GLES driver type determines what shared object we use to load the GLES entry points.
  // AngleEGL loads from ANGLE's version of libEGL, libGLESv2, and libGLESv1_CM.
  // SystemEGL uses the system copies of libEGL, libGLESv2, and libGLESv1_CM.
  // SystemWGL loads Windows GL with the GLES compatibility extensions. See util/WGLWindow.h.
  enum class GLESDriverType
  {
      AngleEGL,
      SystemEGL,
      SystemWGL,
      ZinkEGL,
  };
  
  GLESDriverType GetDriverTypeFromString(const char *driverName, GLESDriverType defaultDriverType);
  }  // namespace angle
  
  struct EGLPlatformParameters
  {
      EGLPlatformParameters() = default;
  
      explicit EGLPlatformParameters(EGLint renderer) : renderer(renderer) {}
  
      EGLPlatformParameters(EGLint renderer,
                            EGLint majorVersion,
                            EGLint minorVersion,
                            EGLint deviceType)
          : renderer(renderer),
            majorVersion(majorVersion),
            minorVersion(minorVersion),
            deviceType(deviceType)
      {}
  
      EGLPlatformParameters(EGLint renderer,
                            EGLint majorVersion,
                            EGLint minorVersion,
                            EGLint deviceType,
                            EGLint presentPath)
          : renderer(renderer),
            majorVersion(majorVersion),
            minorVersion(minorVersion),
            deviceType(deviceType),
            presentPath(presentPath)
      {}
  
      auto tie() const
      {
          return std::tie(renderer, majorVersion, minorVersion, deviceType, presentPath,
                          debugLayersEnabled, robustness, displayPowerPreference,
                          disabledFeatureOverrides, enabledFeatureOverrides, platformMethods);
      }
  
      // Helpers to enable and disable ANGLE features.  Expects a kFeature* value from
      // angle_features_autogen.h.
      EGLPlatformParameters &enable(angle::Feature feature)
      {
          enabledFeatureOverrides.push_back(feature);
          return *this;
      }
      EGLPlatformParameters &disable(angle::Feature feature)
      {
          disabledFeatureOverrides.push_back(feature);
          return *this;
      }
  
      EGLint renderer               = EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE;
      EGLint majorVersion           = EGL_DONT_CARE;
      EGLint minorVersion           = EGL_DONT_CARE;
      EGLint deviceType             = EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE;
      EGLint presentPath            = EGL_DONT_CARE;
      EGLint debugLayersEnabled     = EGL_DONT_CARE;
      EGLint robustness             = EGL_DONT_CARE;
      EGLint displayPowerPreference = EGL_DONT_CARE;
  
      std::vector<angle::Feature> enabledFeatureOverrides;
      std::vector<angle::Feature> disabledFeatureOverrides;
  
      angle::PlatformMethods *platformMethods = nullptr;
  };
  
  inline bool operator<(const EGLPlatformParameters &a, const EGLPlatformParameters &b)
  {
      return a.tie() < b.tie();
  }
  
  inline bool operator==(const EGLPlatformParameters &a, const EGLPlatformParameters &b)
  {
      return a.tie() == b.tie();
  }
  
  inline bool operator!=(const EGLPlatformParameters &a, const EGLPlatformParameters &b)
  {
      return a.tie() != b.tie();
  }
  
  #endif  // UTIL_EGLPLATFORMPARAMETERS_H_
  

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