chromium/ui/ozone/platform/wayland/gpu/wayland_gl_egl_utility.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/ozone/platform/wayland/gpu/wayland_gl_egl_utility.h"

#include "base/containers/contains.h"

// From ANGLE's egl/eglext.h. Follows the same approach as in
// ui/gl/gl_surface_egl.cc
#ifndef EGL_ANGLE_platform_angle_device_type_swiftshader
#define EGL_ANGLE_platform_angle_device_type_swiftshader
#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_SWIFTSHADER_ANGLE …
#endif /* EGL_ANGLE_platform_angle_device_type_swiftshader */

#ifndef EGL_ANGLE_platform_angle
#define EGL_ANGLE_platform_angle …
#define EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE …
#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE …
#endif /* EGL_ANGLE_platform_angle */

#ifndef EGL_ANGLE_platform_angle_vulkan
#define EGL_ANGLE_platform_angle_vulkan …
#define EGL_PLATFORM_VULKAN_DISPLAY_MODE_HEADLESS_ANGLE …
#endif /* EGL_ANGLE_platform_angle_vulkan */

#ifndef EGL_ANGLE_platform_angle_device_type_egl_angle
#define EGL_ANGLE_platform_angle_device_type_egl_angle
#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_EGL_ANGLE …
#endif /* EGL_ANGLE_platform_angle_device_type_egl_angle */

#ifndef EGL_ANGLE_platform_angle_opengl
#define EGL_ANGLE_platform_angle_opengl …
#define EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE …
#define EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE …
#endif /* EGL_ANGLE_platform_angle_opengl */

namespace ui {

WaylandGLEGLUtility::WaylandGLEGLUtility() = default;

WaylandGLEGLUtility::~WaylandGLEGLUtility() = default;

void WaylandGLEGLUtility::GetAdditionalEGLAttributes(
    EGLenum platform_type,
    std::vector<EGLAttrib>* display_attributes) { … }

void WaylandGLEGLUtility::ChooseEGLAlphaAndBufferSize(EGLint* alpha_size,
                                                      EGLint* buffer_size) { … }

void WaylandGLEGLUtility::CollectGpuExtraInfo(
    bool enable_native_gpu_memory_buffers,
    gfx::GpuExtraInfo& gpu_extra_info) const { … }

bool WaylandGLEGLUtility::HasVisualManager() { … }

}  // namespace ui