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Implement EGLImage external texture API for GL.

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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>
This commit is contained in:
Stephen White
2021-06-03 16:19:16 +00:00
committed by Dawn LUCI CQ
parent b3c371031c
commit b5652c75d2
9 changed files with 454 additions and 1 deletions
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1
src/include/dawn_native/DawnNative.h
View File

@@ -215,6 +215,7 @@ namespace dawn_native {
DmaBuf,
IOSurface,
DXGISharedHandle,
EGLImage,
};
// Common properties of external images

12
src/include/dawn_native/OpenGLBackend.h
View File

@@ -15,6 +15,8 @@
#ifndef DAWNNATIVE_OPENGLBACKEND_H_
#define DAWNNATIVE_OPENGLBACKEND_H_
typedef void* EGLImage;
#include <dawn/dawn_wsi.h>
#include <dawn_native/DawnNative.h>
@@ -38,6 +40,16 @@ namespace dawn_native { namespace opengl {
DAWN_NATIVE_EXPORT WGPUTextureFormat
GetNativeSwapChainPreferredFormat(const DawnSwapChainImplementation* swapChain);
struct DAWN_NATIVE_EXPORT ExternalImageDescriptorEGLImage : ExternalImageDescriptor {
public:
ExternalImageDescriptorEGLImage();
::EGLImage image;
};
DAWN_NATIVE_EXPORT WGPUTexture
WrapExternalEGLImage(WGPUDevice device, const ExternalImageDescriptorEGLImage* descriptor);
}} // namespace dawn_native::opengl
#endif // DAWNNATIVE_OPENGLBACKEND_H_