kc3-lang/angle/util/EGLPlatformParameters.h

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• Hash : b6e99bb3
  Author :
  Date : 2021-09-02T13:47:34
  

  Rename and expand shader variable init feature.
  
  This feature now forces both output and unitialized locals to be
  initialized by the shader translator. This feature is needed by the
  trace validator to ensure we get deterministic behaviour in traces
  that exhibit some undefined results.
  
  Bug: angleproject:5133
  Change-Id: Id1242cd077a57e891eed217f7671976ce1631a58
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3140216
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  Reviewed-by: Tim Van Patten <timvp@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 <tuple>
  
  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,
  };
  }  // 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, contextVirtualization, transformFeedbackFeature,
                          allocateNonZeroMemoryFeature, emulateCopyTexImage2DFromRenderbuffers,
                          shaderStencilOutputFeature, genMultipleMipsPerPassFeature, platformMethods,
                          robustness, emulatedPrerotation, asyncCommandQueueFeatureVulkan,
                          hasExplicitMemBarrierFeatureMtl, hasCheapRenderPassFeatureMtl,
                          forceBufferGPUStorageFeatureMtl, supportsVulkanViewportFlip, emulatedVAOs,
                          directSPIRVGeneration, captureLimits, forceRobustResourceInit,
                          directMetalGeneration, forceInitShaderVariables);
      }
  
      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 contextVirtualization                  = EGL_DONT_CARE;
      EGLint robustness                             = EGL_DONT_CARE;
      EGLint transformFeedbackFeature               = EGL_DONT_CARE;
      EGLint allocateNonZeroMemoryFeature           = EGL_DONT_CARE;
      EGLint emulateCopyTexImage2DFromRenderbuffers = EGL_DONT_CARE;
      EGLint shaderStencilOutputFeature             = EGL_DONT_CARE;
      EGLint genMultipleMipsPerPassFeature          = EGL_DONT_CARE;
      uint32_t emulatedPrerotation                  = 0;  // Can be 0, 90, 180 or 270
      EGLint asyncCommandQueueFeatureVulkan         = EGL_DONT_CARE;
      EGLint hasExplicitMemBarrierFeatureMtl        = EGL_DONT_CARE;
      EGLint hasCheapRenderPassFeatureMtl           = EGL_DONT_CARE;
      EGLint forceBufferGPUStorageFeatureMtl        = EGL_DONT_CARE;
      EGLint supportsVulkanViewportFlip             = EGL_DONT_CARE;
      EGLint emulatedVAOs                           = EGL_DONT_CARE;
      EGLint directSPIRVGeneration                  = EGL_DONT_CARE;
      EGLint captureLimits                          = EGL_DONT_CARE;
      EGLint forceRobustResourceInit                = EGL_DONT_CARE;
      EGLint directMetalGeneration                  = EGL_DONT_CARE;
      EGLint forceInitShaderVariables               = EGL_DONT_CARE;
  
      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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