chromium/third_party/angle/src/libANGLE/renderer/vulkan/linux/DisplayVkLinux.cpp

//
// Copyright 2021 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.
//
// DisplayVkLinux.cpp:
//    Implements the class methods for DisplayVkLinux.
//

#include "libANGLE/renderer/vulkan/linux/DisplayVkLinux.h"

#include "common/linux/dma_buf_utils.h"
#include "libANGLE/renderer/vulkan/linux/DeviceVkLinux.h"
#include "libANGLE/renderer/vulkan/linux/DmaBufImageSiblingVkLinux.h"
#include "libANGLE/renderer/vulkan/vk_renderer.h"

namespace rx
{

DisplayVkLinux::DisplayVkLinux(const egl::DisplayState &state)
    : … { … }

DeviceImpl *DisplayVkLinux::createDevice()
{ … }

ExternalImageSiblingImpl *DisplayVkLinux::createExternalImageSibling(
    const gl::Context *context,
    EGLenum target,
    EGLClientBuffer buffer,
    const egl::AttributeMap &attribs)
{ … }

// Returns the list of DRM modifiers that a VkFormat supports
std::vector<VkDrmFormatModifierPropertiesEXT> DisplayVkLinux::GetDrmModifiers(
    const DisplayVk *displayVk,
    VkFormat vkFormat)
{ … }

// Returns true if that VkFormat has at least on format modifier in its properties
bool DisplayVkLinux::SupportsDrmModifiers(VkPhysicalDevice device, VkFormat vkFormat)
{ … }

// Returns a list of VkFormats supporting at least one DRM format modifier
std::vector<VkFormat> DisplayVkLinux::GetVkFormatsWithDrmModifiers(const vk::Renderer *renderer)
{ … }

// Returns a list of supported DRM formats
std::vector<EGLint> DisplayVkLinux::GetDrmFormats(const vk::Renderer *renderer)
{ … }

bool DisplayVkLinux::supportsDmaBufFormat(EGLint format) const
{ … }

egl::Error DisplayVkLinux::queryDmaBufFormats(EGLint maxFormats,
                                              EGLint *formats,
                                              EGLint *numFormats)
{ … }

// Queries DRM format modifiers associated to `drmFormat`.
// When `maxModifiers` is zero, it will only return the number of modifiers associated to
// `drmFormat` using the out parameter `numModifiers`. When `maxModifiers` is greater than zero, it
// will put that number of DRM format modifiers into the out parameter `modifiers`.
egl::Error DisplayVkLinux::queryDmaBufModifiers(EGLint drmFormat,
                                                EGLint maxModifiers,
                                                EGLuint64KHR *modifiers,
                                                EGLBoolean *externalOnly,
                                                EGLint *numModifiers)
{ … }
}  // namespace rx