Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/gfx/webrender_bindings/RenderTextureHostSWGL.cpp b/gfx/webrender_bindings/RenderTextureHostSWGL.cpp
new file mode 100644
index 0000000000..ad2d960837
--- /dev/null
+++ b/gfx/webrender_bindings/RenderTextureHostSWGL.cpp
@@ -0,0 +1,231 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "RenderTextureHostSWGL.h"
+
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/layers/TextureHost.h"
+#include "RenderThread.h"
+
+namespace mozilla {
+namespace wr {
+
+bool RenderTextureHostSWGL::UpdatePlanes(RenderCompositor* aCompositor) {
+  wr_swgl_make_current(mContext);
+  size_t planeCount = GetPlaneCount();
+  bool texInit = false;
+  if (mPlanes.size() < planeCount) {
+    mPlanes.reserve(planeCount);
+    while (mPlanes.size() < planeCount) {
+      mPlanes.push_back(PlaneInfo(wr_swgl_gen_texture(mContext)));
+    }
+    texInit = true;
+  }
+  gfx::SurfaceFormat format = GetFormat();
+  gfx::ColorDepth colorDepth = GetColorDepth();
+  for (size_t i = 0; i < planeCount; i++) {
+    PlaneInfo& plane = mPlanes[i];
+    if (!MapPlane(aCompositor, i, plane)) {
+      if (i > 0) {
+        UnmapPlanes();
+      }
+      return false;
+    }
+    GLenum internalFormat = 0;
+    switch (format) {
+      case gfx::SurfaceFormat::B8G8R8A8:
+      case gfx::SurfaceFormat::B8G8R8X8:
+        MOZ_ASSERT(colorDepth == gfx::ColorDepth::COLOR_8);
+        internalFormat = LOCAL_GL_RGBA8;
+        break;
+      case gfx::SurfaceFormat::YUV:
+        switch (colorDepth) {
+          case gfx::ColorDepth::COLOR_8:
+            internalFormat = LOCAL_GL_R8;
+            break;
+          case gfx::ColorDepth::COLOR_10:
+          case gfx::ColorDepth::COLOR_12:
+          case gfx::ColorDepth::COLOR_16:
+            internalFormat = LOCAL_GL_R16;
+            break;
+        }
+        break;
+      case gfx::SurfaceFormat::NV12:
+        switch (colorDepth) {
+          case gfx::ColorDepth::COLOR_8:
+            internalFormat = i > 0 ? LOCAL_GL_RG8 : LOCAL_GL_R8;
+            break;
+          case gfx::ColorDepth::COLOR_10:
+          case gfx::ColorDepth::COLOR_12:
+          case gfx::ColorDepth::COLOR_16:
+            internalFormat = i > 0 ? LOCAL_GL_RG16 : LOCAL_GL_R16;
+            break;
+        }
+        break;
+      case gfx::SurfaceFormat::P010:
+        MOZ_ASSERT(colorDepth == gfx::ColorDepth::COLOR_10);
+        internalFormat = i > 0 ? LOCAL_GL_RG16 : LOCAL_GL_R16;
+        break;
+      case gfx::SurfaceFormat::YUV422:
+        MOZ_ASSERT(colorDepth == gfx::ColorDepth::COLOR_8);
+        internalFormat = LOCAL_GL_RGB_RAW_422_APPLE;
+        break;
+      default:
+        MOZ_RELEASE_ASSERT(false, "Unhandled external image format");
+        break;
+    }
+    wr_swgl_set_texture_buffer(mContext, plane.mTexture, internalFormat,
+                               plane.mSize.width, plane.mSize.height,
+                               plane.mStride, plane.mData, 0, 0);
+  }
+  if (texInit) {
+    // Initialize the mip filters to linear by default.
+    for (const auto& plane : mPlanes) {
+      wr_swgl_set_texture_parameter(mContext, plane.mTexture,
+                                    LOCAL_GL_TEXTURE_MIN_FILTER,
+                                    LOCAL_GL_LINEAR);
+      wr_swgl_set_texture_parameter(mContext, plane.mTexture,
+                                    LOCAL_GL_TEXTURE_MAG_FILTER,
+                                    LOCAL_GL_LINEAR);
+    }
+  }
+  return true;
+}
+
+bool RenderTextureHostSWGL::SetContext(void* aContext) {
+  if (mContext != aContext) {
+    CleanupPlanes();
+    mContext = aContext;
+    wr_swgl_reference_context(mContext);
+  }
+  return mContext != nullptr;
+}
+
+wr::WrExternalImage RenderTextureHostSWGL::LockSWGL(
+    uint8_t aChannelIndex, void* aContext, RenderCompositor* aCompositor) {
+  if (!SetContext(aContext)) {
+    return InvalidToWrExternalImage();
+  }
+  if (!mLocked) {
+    if (!UpdatePlanes(aCompositor)) {
+      return InvalidToWrExternalImage();
+    }
+    mLocked = true;
+  }
+  if (aChannelIndex >= mPlanes.size()) {
+    return InvalidToWrExternalImage();
+  }
+  const PlaneInfo& plane = mPlanes[aChannelIndex];
+
+  const auto uvs = GetUvCoords(plane.mSize);
+
+  // Prefer native textures, unless our backend forbids it.
+  // If the GetUvCoords call above returned anything other than the default,
+  // for example if this is a RenderAndroidSurfaceTextureHost, then this won't
+  // be handled correctly in the RawDataToWrExternalImage path. But we shouldn't
+  // hit this path in practice with a RenderAndroidSurfaceTextureHost.
+  layers::TextureHost::NativeTexturePolicy policy =
+      layers::TextureHost::BackendNativeTexturePolicy(
+          layers::WebRenderBackend::SOFTWARE, plane.mSize);
+  return policy == layers::TextureHost::NativeTexturePolicy::FORBID
+             ? RawDataToWrExternalImage((uint8_t*)plane.mData,
+                                        plane.mStride * plane.mSize.height)
+             : NativeTextureToWrExternalImage(plane.mTexture, uvs.first.x,
+                                              uvs.first.y, uvs.second.x,
+                                              uvs.second.y);
+}
+
+void RenderTextureHostSWGL::UnlockSWGL() {
+  if (mLocked) {
+    mLocked = false;
+    UnmapPlanes();
+  }
+}
+
+void RenderTextureHostSWGL::CleanupPlanes() {
+  if (!mContext) {
+    return;
+  }
+  if (!mPlanes.empty()) {
+    wr_swgl_make_current(mContext);
+    for (const auto& plane : mPlanes) {
+      wr_swgl_delete_texture(mContext, plane.mTexture);
+    }
+    mPlanes.clear();
+  }
+  wr_swgl_destroy_context(mContext);
+  mContext = nullptr;
+}
+
+RenderTextureHostSWGL::~RenderTextureHostSWGL() { CleanupPlanes(); }
+
+bool RenderTextureHostSWGL::LockSWGLCompositeSurface(
+    void* aContext, wr::SWGLCompositeSurfaceInfo* aInfo) {
+  if (!SetContext(aContext)) {
+    return false;
+  }
+  if (!mLocked) {
+    if (!UpdatePlanes(nullptr)) {
+      return false;
+    }
+    mLocked = true;
+  }
+  MOZ_ASSERT(mPlanes.size() <= 3);
+  for (size_t i = 0; i < mPlanes.size(); i++) {
+    aInfo->textures[i] = mPlanes[i].mTexture;
+  }
+  switch (GetFormat()) {
+    case gfx::SurfaceFormat::YUV:
+    case gfx::SurfaceFormat::NV12:
+    case gfx::SurfaceFormat::P010:
+    case gfx::SurfaceFormat::YUV422: {
+      aInfo->yuv_planes = mPlanes.size();
+      auto colorSpace = GetYUVColorSpace();
+      aInfo->color_space = ToWrYuvRangedColorSpace(colorSpace);
+      auto colorDepth = GetColorDepth();
+      aInfo->color_depth = ToWrColorDepth(colorDepth);
+      break;
+    }
+    case gfx::SurfaceFormat::B8G8R8A8:
+    case gfx::SurfaceFormat::B8G8R8X8:
+      break;
+    default:
+      gfxCriticalNote << "Unhandled external image format: " << GetFormat();
+      MOZ_RELEASE_ASSERT(false, "Unhandled external image format");
+      break;
+  }
+  aInfo->size.width = mPlanes[0].mSize.width;
+  aInfo->size.height = mPlanes[0].mSize.height;
+  return true;
+}
+
+bool wr_swgl_lock_composite_surface(void* aContext, wr::ExternalImageId aId,
+                                    wr::SWGLCompositeSurfaceInfo* aInfo) {
+  RenderTextureHost* texture = RenderThread::Get()->GetRenderTexture(aId);
+  if (!texture) {
+    return false;
+  }
+  RenderTextureHostSWGL* swglTex = texture->AsRenderTextureHostSWGL();
+  if (!swglTex) {
+    return false;
+  }
+  return swglTex->LockSWGLCompositeSurface(aContext, aInfo);
+}
+
+void wr_swgl_unlock_composite_surface(void* aContext, wr::ExternalImageId aId) {
+  RenderTextureHost* texture = RenderThread::Get()->GetRenderTexture(aId);
+  if (!texture) {
+    return;
+  }
+  RenderTextureHostSWGL* swglTex = texture->AsRenderTextureHostSWGL();
+  if (!swglTex) {
+    return;
+  }
+  swglTex->UnlockSWGL();
+}
+
+}  // namespace wr
+}  // namespace mozilla