зеркало из https://github.com/AvaloniaUI/angle.git
114 строки
3.5 KiB
C++
114 строки
3.5 KiB
C++
//
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// Copyright 2018 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// EGLPlatformParameters: Basic description of an EGL device.
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#ifndef UTIL_EGLPLATFORMPARAMETERS_H_
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#define UTIL_EGLPLATFORMPARAMETERS_H_
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#include "util/util_gl.h"
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#include "angle_features_autogen.h"
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#include <string>
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#include <tuple>
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#include <vector>
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namespace angle
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{
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struct PlatformMethods;
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// The GLES driver type determines what shared object we use to load the GLES entry points.
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// AngleEGL loads from ANGLE's version of libEGL, libGLESv2, and libGLESv1_CM.
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// SystemEGL uses the system copies of libEGL, libGLESv2, and libGLESv1_CM.
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// SystemWGL loads Windows GL with the GLES compatibility extensions. See util/WGLWindow.h.
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enum class GLESDriverType
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{
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AngleEGL,
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SystemEGL,
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SystemWGL,
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};
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} // namespace angle
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struct EGLPlatformParameters
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{
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EGLPlatformParameters() = default;
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explicit EGLPlatformParameters(EGLint renderer) : renderer(renderer) {}
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EGLPlatformParameters(EGLint renderer,
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EGLint majorVersion,
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EGLint minorVersion,
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EGLint deviceType)
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: renderer(renderer),
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majorVersion(majorVersion),
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minorVersion(minorVersion),
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deviceType(deviceType)
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{}
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EGLPlatformParameters(EGLint renderer,
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EGLint majorVersion,
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EGLint minorVersion,
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EGLint deviceType,
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EGLint presentPath)
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: renderer(renderer),
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majorVersion(majorVersion),
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minorVersion(minorVersion),
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deviceType(deviceType),
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presentPath(presentPath)
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{}
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auto tie() const
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{
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return std::tie(renderer, majorVersion, minorVersion, deviceType, presentPath,
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debugLayersEnabled, robustness, displayPowerPreference,
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disabledFeatureOverrides, enabledFeatureOverrides, platformMethods);
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}
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// Helpers to enable and disable ANGLE features. Expects a kFeature* value from
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// angle_features_autogen.h.
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EGLPlatformParameters &enable(angle::Feature feature)
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{
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enabledFeatureOverrides.push_back(feature);
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return *this;
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}
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EGLPlatformParameters &disable(angle::Feature feature)
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{
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disabledFeatureOverrides.push_back(feature);
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return *this;
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}
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EGLint renderer = EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE;
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EGLint majorVersion = EGL_DONT_CARE;
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EGLint minorVersion = EGL_DONT_CARE;
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EGLint deviceType = EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE;
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EGLint presentPath = EGL_DONT_CARE;
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EGLint debugLayersEnabled = EGL_DONT_CARE;
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EGLint robustness = EGL_DONT_CARE;
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EGLint displayPowerPreference = EGL_DONT_CARE;
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std::vector<angle::Feature> enabledFeatureOverrides;
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std::vector<angle::Feature> disabledFeatureOverrides;
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angle::PlatformMethods *platformMethods = nullptr;
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};
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inline bool operator<(const EGLPlatformParameters &a, const EGLPlatformParameters &b)
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{
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return a.tie() < b.tie();
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}
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inline bool operator==(const EGLPlatformParameters &a, const EGLPlatformParameters &b)
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{
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return a.tie() == b.tie();
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}
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inline bool operator!=(const EGLPlatformParameters &a, const EGLPlatformParameters &b)
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{
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return a.tie() != b.tie();
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}
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#endif // UTIL_EGLPLATFORMPARAMETERS_H_
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