1 files changed, 318 insertions, 0 deletions
diff --git a/xbmc/utils/EGLImage.cpp b/xbmc/utils/EGLImage.cpp
new file mode 100644
index 0000000..24f9708
--- /dev/null
+++ b/xbmc/utils/EGLImage.cpp
@@ -0,0 +1,318 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "EGLImage.h"
+
+#include "ServiceBroker.h"
+#include "utils/DRMHelpers.h"
+#include "utils/EGLUtils.h"
+#include "utils/StringUtils.h"
+#include "utils/log.h"
+
+#include <map>
+
+namespace
+{
+  const EGLint eglDmabufPlaneFdAttr[CEGLImage::MAX_NUM_PLANES] =
+  {
+    EGL_DMA_BUF_PLANE0_FD_EXT,
+    EGL_DMA_BUF_PLANE1_FD_EXT,
+    EGL_DMA_BUF_PLANE2_FD_EXT,
+  };
+
+  const EGLint eglDmabufPlaneOffsetAttr[CEGLImage::MAX_NUM_PLANES] =
+  {
+    EGL_DMA_BUF_PLANE0_OFFSET_EXT,
+    EGL_DMA_BUF_PLANE1_OFFSET_EXT,
+    EGL_DMA_BUF_PLANE2_OFFSET_EXT,
+  };
+
+  const EGLint eglDmabufPlanePitchAttr[CEGLImage::MAX_NUM_PLANES] =
+  {
+    EGL_DMA_BUF_PLANE0_PITCH_EXT,
+    EGL_DMA_BUF_PLANE1_PITCH_EXT,
+    EGL_DMA_BUF_PLANE2_PITCH_EXT,
+  };
+
+#if defined(EGL_EXT_image_dma_buf_import_modifiers)
+  const EGLint eglDmabufPlaneModifierLoAttr[CEGLImage::MAX_NUM_PLANES] =
+  {
+    EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT,
+    EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT,
+    EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT,
+  };
+
+  const EGLint eglDmabufPlaneModifierHiAttr[CEGLImage::MAX_NUM_PLANES] =
+  {
+    EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT,
+    EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT,
+    EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT,
+  };
+#endif
+
+#define X(VAL) std::make_pair(VAL, #VAL)
+std::map<EGLint, const char*> eglAttributes =
+{
+  X(EGL_WIDTH),
+  X(EGL_HEIGHT),
+
+  // please keep attributes in accordance to:
+  // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_image_dma_buf_import.txt
+  X(EGL_LINUX_DRM_FOURCC_EXT),
+  X(EGL_DMA_BUF_PLANE0_FD_EXT),
+  X(EGL_DMA_BUF_PLANE0_OFFSET_EXT),
+  X(EGL_DMA_BUF_PLANE0_PITCH_EXT),
+  X(EGL_DMA_BUF_PLANE1_FD_EXT),
+  X(EGL_DMA_BUF_PLANE1_OFFSET_EXT),
+  X(EGL_DMA_BUF_PLANE1_PITCH_EXT),
+  X(EGL_DMA_BUF_PLANE2_FD_EXT),
+  X(EGL_DMA_BUF_PLANE2_OFFSET_EXT),
+  X(EGL_DMA_BUF_PLANE2_PITCH_EXT),
+  X(EGL_YUV_COLOR_SPACE_HINT_EXT),
+  X(EGL_SAMPLE_RANGE_HINT_EXT),
+  X(EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT),
+  X(EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT),
+  X(EGL_ITU_REC601_EXT),
+  X(EGL_ITU_REC709_EXT),
+  X(EGL_ITU_REC2020_EXT),
+  X(EGL_YUV_FULL_RANGE_EXT),
+  X(EGL_YUV_NARROW_RANGE_EXT),
+  X(EGL_YUV_CHROMA_SITING_0_EXT),
+  X(EGL_YUV_CHROMA_SITING_0_5_EXT),
+
+#if defined(EGL_EXT_image_dma_buf_import_modifiers)
+  // please keep attributes in accordance to:
+  // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_image_dma_buf_import_modifiers.txt
+  X(EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT),
+  X(EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT),
+  X(EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT),
+  X(EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT),
+  X(EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT),
+  X(EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT),
+  X(EGL_DMA_BUF_PLANE3_FD_EXT),
+  X(EGL_DMA_BUF_PLANE3_OFFSET_EXT),
+  X(EGL_DMA_BUF_PLANE3_PITCH_EXT),
+  X(EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT),
+  X(EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT),
+#endif
+};
+
+} // namespace
+
+CEGLImage::CEGLImage(EGLDisplay display) :
+  m_display(display)
+{
+  m_eglCreateImageKHR = CEGLUtils::GetRequiredProcAddress<PFNEGLCREATEIMAGEKHRPROC>("eglCreateImageKHR");
+  m_eglDestroyImageKHR = CEGLUtils::GetRequiredProcAddress<PFNEGLDESTROYIMAGEKHRPROC>("eglDestroyImageKHR");
+  m_glEGLImageTargetTexture2DOES = CEGLUtils::GetRequiredProcAddress<PFNGLEGLIMAGETARGETTEXTURE2DOESPROC>("glEGLImageTargetTexture2DOES");
+}
+
+bool CEGLImage::CreateImage(EglAttrs imageAttrs)
+{
+  CEGLAttributes<22> attribs;
+  attribs.Add({{EGL_WIDTH, imageAttrs.width},
+               {EGL_HEIGHT, imageAttrs.height},
+               {EGL_LINUX_DRM_FOURCC_EXT, static_cast<EGLint>(imageAttrs.format)}});
+
+  if (imageAttrs.colorSpace != 0 && imageAttrs.colorRange != 0)
+  {
+    attribs.Add({{EGL_YUV_COLOR_SPACE_HINT_EXT, imageAttrs.colorSpace},
+                 {EGL_SAMPLE_RANGE_HINT_EXT, imageAttrs.colorRange},
+                 {EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT, EGL_YUV_CHROMA_SITING_0_EXT},
+                 {EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT, EGL_YUV_CHROMA_SITING_0_EXT}});
+  }
+
+  for (int i = 0; i < MAX_NUM_PLANES; i++)
+  {
+    if (imageAttrs.planes[i].fd != 0)
+    {
+      attribs.Add({{eglDmabufPlaneFdAttr[i], imageAttrs.planes[i].fd},
+                   {eglDmabufPlaneOffsetAttr[i], imageAttrs.planes[i].offset},
+                   {eglDmabufPlanePitchAttr[i], imageAttrs.planes[i].pitch}});
+
+#if defined(EGL_EXT_image_dma_buf_import_modifiers)
+      if (imageAttrs.planes[i].modifier != DRM_FORMAT_MOD_INVALID && imageAttrs.planes[i].modifier != DRM_FORMAT_MOD_LINEAR)
+        attribs.Add({{eglDmabufPlaneModifierLoAttr[i], static_cast<EGLint>(imageAttrs.planes[i].modifier & 0xFFFFFFFF)},
+                     {eglDmabufPlaneModifierHiAttr[i], static_cast<EGLint>(imageAttrs.planes[i].modifier >> 32)}});
+#endif
+    }
+  }
+
+  m_image = m_eglCreateImageKHR(m_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, nullptr, attribs.Get());
+
+  if (!m_image || CServiceBroker::GetLogging().CanLogComponent(LOGVIDEO))
+  {
+    const EGLint* attrs = attribs.Get();
+
+    std::string eglString;
+
+    for (int i = 0; i < (attribs.Size()); i += 2)
+    {
+      std::string keyStr;
+      std::string valueStr;
+
+      auto eglAttrKey = eglAttributes.find(attrs[i]);
+      if (eglAttrKey != eglAttributes.end())
+      {
+        keyStr = eglAttrKey->second;
+      }
+      else
+      {
+        keyStr = std::to_string(attrs[i]);
+      }
+
+      auto eglAttrValue = eglAttributes.find(attrs[i + 1]);
+      if (eglAttrValue != eglAttributes.end())
+      {
+        valueStr = eglAttrValue->second;
+      }
+      else
+      {
+        if (eglAttrKey != eglAttributes.end() && eglAttrKey->first == EGL_LINUX_DRM_FOURCC_EXT)
+          valueStr = DRMHELPERS::FourCCToString(attrs[i + 1]);
+        else
+          valueStr = std::to_string(attrs[i + 1]);
+      }
+
+      eglString.append(StringUtils::Format("{}: {}\n", keyStr, valueStr));
+    }
+
+    CLog::Log(LOGDEBUG, "CEGLImage::{} - attributes:\n{}", __FUNCTION__, eglString);
+  }
+
+  if (!m_image)
+  {
+    CLog::Log(LOGERROR, "CEGLImage::{} - failed to import buffer into EGL image: {:#4x}",
+              __FUNCTION__, eglGetError());
+    return false;
+  }
+
+  return true;
+}
+
+void CEGLImage::UploadImage(GLenum textureTarget)
+{
+  m_glEGLImageTargetTexture2DOES(textureTarget, m_image);
+}
+
+void CEGLImage::DestroyImage()
+{
+  m_eglDestroyImageKHR(m_display, m_image);
+}
+
+#if defined(EGL_EXT_image_dma_buf_import_modifiers)
+bool CEGLImage::SupportsFormat(uint32_t format)
+{
+  auto eglQueryDmaBufFormatsEXT =
+      CEGLUtils::GetRequiredProcAddress<PFNEGLQUERYDMABUFFORMATSEXTPROC>(
+          "eglQueryDmaBufFormatsEXT");
+
+  EGLint numFormats;
+  if (eglQueryDmaBufFormatsEXT(m_display, 0, nullptr, &numFormats) != EGL_TRUE)
+  {
+    CLog::Log(LOGERROR,
+              "CEGLImage::{} - failed to query the max number of EGL dma-buf formats: {:#4x}",
+              __FUNCTION__, eglGetError());
+    return false;
+  }
+
+  std::vector<EGLint> formats(numFormats);
+  if (eglQueryDmaBufFormatsEXT(m_display, numFormats, formats.data(), &numFormats) != EGL_TRUE)
+  {
+    CLog::Log(LOGERROR, "CEGLImage::{} - failed to query EGL dma-buf formats: {:#4x}", __FUNCTION__,
+              eglGetError());
+    return false;
+  }
+
+  auto foundFormat = std::find(formats.begin(), formats.end(), format);
+  if (foundFormat == formats.end() || CServiceBroker::GetLogging().CanLogComponent(LOGVIDEO))
+  {
+    std::string formatStr;
+    for (const auto& supportedFormat : formats)
+      formatStr.append("\n" + DRMHELPERS::FourCCToString(supportedFormat));
+
+    CLog::Log(LOGDEBUG, "CEGLImage::{} - supported formats:{}", __FUNCTION__, formatStr);
+  }
+
+  if (foundFormat != formats.end())
+  {
+    CLog::Log(LOGDEBUG, LOGVIDEO, "CEGLImage::{} - supported format: {}", __FUNCTION__,
+              DRMHELPERS::FourCCToString(format));
+    return true;
+  }
+
+  CLog::Log(LOGERROR, "CEGLImage::{} - format not supported: {}", __FUNCTION__,
+            DRMHELPERS::FourCCToString(format));
+
+  return false;
+}
+
+bool CEGLImage::SupportsFormatAndModifier(uint32_t format, uint64_t modifier)
+{
+  if (!SupportsFormat(format))
+    return false;
+
+  if (modifier == DRM_FORMAT_MOD_LINEAR)
+    return true;
+
+  /*
+   * Some broadcom modifiers have parameters encoded which need to be
+   * masked out before comparing with reported modifiers.
+   */
+  if (modifier >> 56 == DRM_FORMAT_MOD_VENDOR_BROADCOM)
+    modifier = fourcc_mod_broadcom_mod(modifier);
+
+  auto eglQueryDmaBufModifiersEXT =
+      CEGLUtils::GetRequiredProcAddress<PFNEGLQUERYDMABUFMODIFIERSEXTPROC>(
+          "eglQueryDmaBufModifiersEXT");
+
+  EGLint numFormats;
+  if (eglQueryDmaBufModifiersEXT(m_display, format, 0, nullptr, nullptr, &numFormats) != EGL_TRUE)
+  {
+    CLog::Log(LOGERROR,
+              "CEGLImage::{} - failed to query the max number of EGL dma-buf format modifiers for "
+              "format: {} - {:#4x}",
+              __FUNCTION__, DRMHELPERS::FourCCToString(format), eglGetError());
+    return false;
+  }
+
+  std::vector<EGLuint64KHR> modifiers(numFormats);
+
+  if (eglQueryDmaBufModifiersEXT(m_display, format, numFormats, modifiers.data(), nullptr,
+                                 &numFormats) != EGL_TRUE)
+  {
+    CLog::Log(
+        LOGERROR,
+        "CEGLImage::{} - failed to query EGL dma-buf format modifiers for format: {} - {:#4x}",
+        __FUNCTION__, DRMHELPERS::FourCCToString(format), eglGetError());
+    return false;
+  }
+
+  auto foundModifier = std::find(modifiers.begin(), modifiers.end(), modifier);
+  if (foundModifier == modifiers.end() || CServiceBroker::GetLogging().CanLogComponent(LOGVIDEO))
+  {
+    std::string modifierStr;
+    for (const auto& supportedModifier : modifiers)
+      modifierStr.append("\n" + DRMHELPERS::ModifierToString(supportedModifier));
+
+    CLog::Log(LOGDEBUG, "CEGLImage::{} - supported modifiers:{}", __FUNCTION__, modifierStr);
+  }
+
+  if (foundModifier != modifiers.end())
+  {
+    CLog::Log(LOGDEBUG, LOGVIDEO, "CEGLImage::{} - supported modifier: {}", __FUNCTION__,
+              DRMHELPERS::ModifierToString(modifier));
+    return true;
+  }
+
+  CLog::Log(LOGERROR, "CEGLImage::{} - modifier ({}) not supported for format ({})", __FUNCTION__,
+            DRMHELPERS::ModifierToString(modifier), DRMHELPERS::FourCCToString(format));
+
+  return false;
+}
+#endif