commit b5652c75d24527dae7052b087e95c6e7a9dd3a60
author Stephen White <senorblanco@chromium.org> Thu Jun 03 16:19:16 2021 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> Thu Jun 03 16:19:16 2021 +0000
tree 1b0e16ca9240f885031d88983a28de1646ccad32
parent b3c371031cc85b7af53d50386c7865fcb35a0a6a

Implement EGLImage external texture API for GL.

Tests are based on the IOSurfaceWrappingTests.
Sampling tests are not implemented, since they would require
support for the samplerExternalOES sampler type in WGSL.

Bug: chromium:1205155
Change-Id: Icc114eaf6efaee93f1b8486e615f0fd307f23080
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/50201
Commit-Queue: Stephen White <senorblanco@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/dawn_native/opengl/OpenGLBackend.cpp

diff --git a/src/dawn_native/opengl/OpenGLBackend.cpp b/src/dawn_native/opengl/OpenGLBackend.cpp
index 6cc87b0..3e089bb 100644
--- a/src/dawn_native/opengl/OpenGLBackend.cpp
+++ b/src/dawn_native/opengl/OpenGLBackend.cpp
@@ -50,4 +50,15 @@
         return static_cast<WGPUTextureFormat>(impl->GetPreferredFormat());
     }
 
+    ExternalImageDescriptorEGLImage::ExternalImageDescriptorEGLImage()
+        : ExternalImageDescriptor(ExternalImageType::EGLImage) {
+    }
+
+    WGPUTexture WrapExternalEGLImage(WGPUDevice cDevice,
+                                     const ExternalImageDescriptorEGLImage* descriptor) {
+        Device* device = reinterpret_cast<Device*>(cDevice);
+        TextureBase* texture = device->CreateTextureWrappingEGLImage(descriptor, descriptor->image);
+        return reinterpret_cast<WGPUTexture>(texture);
+    }
+
 }}  // namespace dawn_native::opengl