kc3-lang/angle/src/common/linux/dma_buf_utils.h

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• Hash : 616a341b
  Author :
  Date : 2025-08-26T13:56:40
  

  Vulkan: Set EGL_NATIVE_VISUAL_ID for EGL_KHR_platform_gbm
  
  Spec requires EGLConfig on GBM platform to report a GBM color format in
  EGL_NATIVE_VISUAL_ID. Previously this field was left unset. This change
  ensures compliance by assigning the appropriate GBM color format.
  
  Bug: angleproject:7829
  Change-Id: I6c5a23374824c444e0de0b6592ea31eb855722e4
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6882716
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/common/linux/dma_buf_utils.h

• //
  // 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.
  //
  
  // dma_buf_utils.h: Utilities to interact with Linux dma bufs.
  
  #ifndef COMMON_LINUX_DMA_BUF_UTILS_H_
  #define COMMON_LINUX_DMA_BUF_UTILS_H_
  
  #include <angle_gl.h>
  
  #if defined(ANGLE_ENABLE_VULKAN)
  #    include <vulkan/vulkan_core.h>
  #    include <vector>
  #endif
  
  // Refer to:
  // https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/drm/drm_fourcc.h
  // https://source.chromium.org/chromium/chromium/src/+/main:ui/gl/gl_image_native_pixmap.cc;l=24
  #define FOURCC(a, b, c, d)                                          \
      ((static_cast<uint32_t>(a)) | (static_cast<uint32_t>(b) << 8) | \
       (static_cast<uint32_t>(c) << 16) | (static_cast<uint32_t>(d) << 24))
  
  #define DRM_FORMAT_R8 FOURCC('R', '8', ' ', ' ')
  #define DRM_FORMAT_R16 FOURCC('R', '1', '6', ' ')
  #define DRM_FORMAT_GR88 FOURCC('G', 'R', '8', '8')
  #define DRM_FORMAT_RGB565 FOURCC('R', 'G', '1', '6')
  #define DRM_FORMAT_RGB888 FOURCC('R', 'G', '2', '4')
  #define DRM_FORMAT_BGR888 FOURCC('B', 'G', '2', '4')
  #define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4')
  #define DRM_FORMAT_ABGR8888 FOURCC('A', 'B', '2', '4')
  #define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4')
  #define DRM_FORMAT_XBGR8888 FOURCC('X', 'B', '2', '4')
  #define DRM_FORMAT_ABGR2101010 FOURCC('A', 'B', '3', '0')
  #define DRM_FORMAT_ARGB2101010 FOURCC('A', 'R', '3', '0')
  #define DRM_FORMAT_YVU420 FOURCC('Y', 'V', '1', '2')
  #define DRM_FORMAT_NV12 FOURCC('N', 'V', '1', '2')
  #define DRM_FORMAT_P010 FOURCC('P', '0', '1', '0')
  #define DRM_FORMAT_ABGR16161616F FOURCC('A', 'B', '4', 'H')
  
  namespace angle
  {
  GLenum DrmFourCCFormatToGLInternalFormat(int format, bool *isYUV);
  uint32_t GLInternalFormatToDrmFourCCFormat(GLenum internalFormat);
  
  #if defined(ANGLE_ENABLE_VULKAN)
  std::vector<int> VkFormatToDrmFourCCFormat(VkFormat format);
  std::vector<VkFormat> DrmFourCCFormatToVkFormats(int fourccFormat);
  #endif
  
  }  // namespace angle
  
  #endif  // COMMON_LINUX_DMA_BUF_UTILS_H_
  

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