1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
10 #include "GLContextTypes.h"
12 #include "ImageContainer.h" // for Image
13 #include "ImageTypes.h" // for ImageFormat::SHARED_GLTEXTURE
14 #include "nsCOMPtr.h" // for already_AddRefed
15 #include "mozilla/Maybe.h" // for Maybe
16 #include "mozilla/gfx/Matrix.h" // for Matrix4x4
17 #include "mozilla/gfx/Point.h" // for IntSize
19 #ifdef MOZ_WIDGET_ANDROID
20 # include "AndroidSurfaceTexture.h"
26 class GLImage
: public Image
{
28 explicit GLImage(ImageFormat aFormat
) : Image(nullptr, aFormat
) {}
30 already_AddRefed
<gfx::SourceSurface
> GetAsSourceSurface() override
;
32 nsresult
BuildSurfaceDescriptorBuffer(
33 SurfaceDescriptorBuffer
& aSdBuffer
, BuildSdbFlags aFlags
,
34 const std::function
<MemoryOrShmem(uint32_t)>& aAllocate
) override
;
36 GLImage
* AsGLImage() override
{ return this; }
39 nsresult
ReadIntoBuffer(uint8_t* aData
, int32_t aStride
,
40 const gfx::IntSize
& aSize
,
41 gfx::SurfaceFormat aFormat
);
44 #ifdef MOZ_WIDGET_ANDROID
46 class SurfaceTextureImage final
: public GLImage
{
48 class SetCurrentCallback
{
50 virtual void operator()(void) = 0;
51 virtual ~SetCurrentCallback() {}
54 SurfaceTextureImage(AndroidSurfaceTextureHandle aHandle
,
55 const gfx::IntSize
& aSize
, bool aContinuous
,
56 gl::OriginPos aOriginPos
, bool aHasAlpha
,
57 bool aForceBT709ColorSpace
,
58 Maybe
<gfx::Matrix4x4
> aTransformOverride
);
60 gfx::IntSize
GetSize() const override
{ return mSize
; }
61 AndroidSurfaceTextureHandle
GetHandle() const { return mHandle
; }
62 bool GetContinuous() const { return mContinuous
; }
63 gl::OriginPos
GetOriginPos() const { return mOriginPos
; }
64 bool GetHasAlpha() const { return mHasAlpha
; }
65 bool GetForceBT709ColorSpace() const { return mForceBT709ColorSpace
; }
66 const Maybe
<gfx::Matrix4x4
>& GetTransformOverride() const {
67 return mTransformOverride
;
70 already_AddRefed
<gfx::SourceSurface
> GetAsSourceSurface() override
{
71 // We can implement this, but currently don't want to because it will cause
72 // the SurfaceTexture to be permanently bound to the snapshot readback
77 nsresult
BuildSurfaceDescriptorBuffer(
78 SurfaceDescriptorBuffer
& aSdBuffer
, BuildSdbFlags aFlags
,
79 const std::function
<MemoryOrShmem(uint32_t)>& aAllocate
) override
{
80 // We can implement this, but currently don't want to because it will cause
81 // the SurfaceTexture to be permanently bound to the snapshot readback
83 return NS_ERROR_NOT_IMPLEMENTED
;
86 SurfaceTextureImage
* AsSurfaceTextureImage() override
{ return this; }
88 Maybe
<SurfaceDescriptor
> GetDesc() override
;
90 void RegisterSetCurrentCallback(UniquePtr
<SetCurrentCallback
> aCallback
) {
91 mSetCurrentCallback
= std::move(aCallback
);
95 if (mSetCurrentCallback
) {
96 (*mSetCurrentCallback
)();
97 mSetCurrentCallback
.reset();
102 AndroidSurfaceTextureHandle mHandle
;
105 gl::OriginPos mOriginPos
;
106 const bool mHasAlpha
;
107 const bool mForceBT709ColorSpace
;
108 const Maybe
<gfx::Matrix4x4
> mTransformOverride
;
109 UniquePtr
<SetCurrentCallback
> mSetCurrentCallback
;
112 #endif // MOZ_WIDGET_ANDROID
114 } // namespace layers
115 } // namespace mozilla
117 #endif // GFX_GLIMAGES_H