gpu/ipc/common/gpu_feature_info_struct_traits.h

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GPU_IPC_COMMON_GPU_FEATURE_INFO_STRUCT_TRAITS_H_
#define GPU_IPC_COMMON_GPU_FEATURE_INFO_STRUCT_TRAITS_H_

#include "gpu/config/gpu_blacklist.h"
#include "gpu/config/gpu_driver_bug_list.h"
#include "gpu/config/gpu_feature_info.h"
#include "gpu/ipc/common/gpu_feature_info.mojom.h"

namespace mojo {

template <>
struct EnumTraits<gpu::mojom::GpuFeatureStatus, gpu::GpuFeatureStatus> {
  static gpu::mojom::GpuFeatureStatus ToMojom(gpu::GpuFeatureStatus status) {
    switch (status) {
      case gpu::kGpuFeatureStatusEnabled:
        return gpu::mojom::GpuFeatureStatus::Enabled;
      case gpu::kGpuFeatureStatusBlacklisted:
        return gpu::mojom::GpuFeatureStatus::Blacklisted;
      case gpu::kGpuFeatureStatusDisabled:
        return gpu::mojom::GpuFeatureStatus::Disabled;
      case gpu::kGpuFeatureStatusSoftware:
        return gpu::mojom::GpuFeatureStatus::Software;
      case gpu::kGpuFeatureStatusUndefined:
        return gpu::mojom::GpuFeatureStatus::Undefined;
      case gpu::kGpuFeatureStatusMax:
        return gpu::mojom::GpuFeatureStatus::Max;
    }
    NOTREACHED();
    return gpu::mojom::GpuFeatureStatus::Max;
  }

  static bool FromMojom(gpu::mojom::GpuFeatureStatus input,
                        gpu::GpuFeatureStatus* out) {
    switch (input) {
      case gpu::mojom::GpuFeatureStatus::Enabled:
        *out = gpu::kGpuFeatureStatusEnabled;
        return true;
      case gpu::mojom::GpuFeatureStatus::Blacklisted:
        *out = gpu::kGpuFeatureStatusBlacklisted;
        return true;
      case gpu::mojom::GpuFeatureStatus::Disabled:
        *out = gpu::kGpuFeatureStatusDisabled;
        return true;
      case gpu::mojom::GpuFeatureStatus::Software:
        *out = gpu::kGpuFeatureStatusSoftware;
        return true;
      case gpu::mojom::GpuFeatureStatus::Undefined:
        *out = gpu::kGpuFeatureStatusUndefined;
        return true;
      case gpu::mojom::GpuFeatureStatus::Max:
        *out = gpu::kGpuFeatureStatusMax;
        return true;
    }
    return false;
  }
};

template <>
struct EnumTraits<gpu::mojom::AntialiasingMode, gpu::AntialiasingMode> {
  static gpu::mojom::AntialiasingMode ToMojom(gpu::AntialiasingMode mode) {
    switch (mode) {
      case gpu::kAntialiasingModeUnspecified:
        return gpu::mojom::AntialiasingMode::kUnspecified;
      case gpu::kAntialiasingModeNone:
        return gpu::mojom::AntialiasingMode::kNone;
      case gpu::kAntialiasingModeMSAAImplicitResolve:
        return gpu::mojom::AntialiasingMode::kMSAAImplicitResolve;
      case gpu::kAntialiasingModeMSAAExplicitResolve:
        return gpu::mojom::AntialiasingMode::kMSAAExplicitResolve;
      case gpu::kAntialiasingModeScreenSpaceAntialiasing:
        return gpu::mojom::AntialiasingMode::kScreenSpaceAntialiasing;
    }
    NOTREACHED();
    return gpu::mojom::AntialiasingMode::kUnspecified;
  }

  static bool FromMojom(gpu::mojom::AntialiasingMode input,
                        gpu::AntialiasingMode* out) {
    switch (input) {
      case gpu::mojom::AntialiasingMode::kUnspecified:
        *out = gpu::kAntialiasingModeUnspecified;
        return true;
      case gpu::mojom::AntialiasingMode::kNone:
        *out = gpu::kAntialiasingModeNone;
        return true;
      case gpu::mojom::AntialiasingMode::kMSAAImplicitResolve:
        *out = gpu::kAntialiasingModeMSAAImplicitResolve;
        return true;
      case gpu::mojom::AntialiasingMode::kMSAAExplicitResolve:
        *out = gpu::kAntialiasingModeMSAAExplicitResolve;
        return true;
      case gpu::mojom::AntialiasingMode::kScreenSpaceAntialiasing:
        *out = gpu::kAntialiasingModeScreenSpaceAntialiasing;
        return true;
    }
    return false;
  }
};

template <>
struct StructTraits<gpu::mojom::WebglPreferencesDataView,
                    gpu::WebglPreferences> {
  static bool Read(gpu::mojom::WebglPreferencesDataView data,
                   gpu::WebglPreferences* out) {
    out->msaa_sample_count = data.msaa_sample_count();
    out->max_active_webgl_contexts = data.max_active_webgl_contexts();
    out->max_active_webgl_contexts_on_worker =
        data.max_active_webgl_contexts_on_worker();
    return data.ReadAntiAliasingMode(&out->anti_aliasing_mode);
  }

  static gpu::AntialiasingMode anti_aliasing_mode(
      const gpu::WebglPreferences& prefs) {
    return prefs.anti_aliasing_mode;
  }

  static uint32_t msaa_sample_count(const gpu::WebglPreferences& prefs) {
    return prefs.msaa_sample_count;
  }

  static uint32_t max_active_webgl_contexts(
      const gpu::WebglPreferences& prefs) {
    return prefs.max_active_webgl_contexts;
  }

  static uint32_t max_active_webgl_contexts_on_worker(
      const gpu::WebglPreferences& prefs) {
    return prefs.max_active_webgl_contexts_on_worker;
  }
};

template <>
struct StructTraits<gpu::mojom::GpuFeatureInfoDataView, gpu::GpuFeatureInfo> {
  static bool Read(gpu::mojom::GpuFeatureInfoDataView data,
                   gpu::GpuFeatureInfo* out);

  static std::vector<gpu::GpuFeatureStatus> status_values(
      const gpu::GpuFeatureInfo& info) {
    return std::vector<gpu::GpuFeatureStatus>(info.status_values,
                                              std::end(info.status_values));
  }

  static const std::vector<int32_t>& enabled_gpu_driver_bug_workarounds(
      const gpu::GpuFeatureInfo& info) {
    return info.enabled_gpu_driver_bug_workarounds;
  }

  static const std::string& disabled_extensions(
      const gpu::GpuFeatureInfo& info) {
    return info.disabled_extensions;
  }

  static const std::string& disabled_webgl_extensions(
      const gpu::GpuFeatureInfo& info) {
    return info.disabled_webgl_extensions;
  }

  static const gpu::WebglPreferences& webgl_preferences(
      const gpu::GpuFeatureInfo& info) {
    return info.webgl_preferences;
  }

  static const std::vector<uint32_t>& applied_gpu_blacklist_entries(
      const gpu::GpuFeatureInfo& info) {
    return info.applied_gpu_blacklist_entries;
  }

  static const std::vector<uint32_t>& applied_gpu_driver_bug_list_entries(
      const gpu::GpuFeatureInfo& info) {
    return info.applied_gpu_driver_bug_list_entries;
  }
};

}  // namespace mojo

#endif  // GPU_IPC_COMMON_GPU_FEATURE_INFO_STRUCT_TRAITS_H_