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Bug 570625, part 3: Add a SurfaceDescriptor IPDL union over all surfaces share-able to another process. r=roc sr=shaver

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This commit is contained in:
Chris Jones 2010-09-14 00:23:08 -05:00
parent 413f96b038
commit f7bf383e15
1 changed files with 10 additions and 3 deletions
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13
gfx/layers/ipc/PLayers.ipdl
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@ -52,6 +52,7 @@ using nsIntRegion;
using nsIntSize;
using mozilla::GraphicsFilterType;
using mozilla::layers::FrameMetrics;
using mozilla::layers::SurfaceDescriptorX11;
using mozilla::null_t;
/**
@ -75,10 +76,16 @@ struct OpCreateCanvasLayer { PLayer layer; };
// For the "buffer creation" operations, we send an initial front
// buffer that only contains (transparent) black pixels just so that
// we can swap it back after the first OpPaint without a special case.
union SurfaceDescriptor {
Shmem;
SurfaceDescriptorX11;
};
struct OpCreateThebesBuffer {
PLayer layer;
nsIntRect bufferRect;
Shmem initialFront;
SurfaceDescriptor initialFront;
};
struct OpDestroyThebesFrontBuffer { PLayer layer; };
@ -146,7 +153,7 @@ struct OpRemoveChild { PLayer container; PLayer childLayer; };
// Paint (buffer update)
struct ThebesBuffer {
Shmem buffer;
SurfaceDescriptor buffer;
nsIntRect rect;
nsIntPoint rotation;
};
@ -195,7 +202,7 @@ union Edit {
// Replies to operations
struct OpBufferSwap { PLayer layer; Shmem newBackBuffer; };
struct OpBufferSwap { PLayer layer; SurfaceDescriptor newBackBuffer; };
/*
* XXX: if we choose *not* to do a new-front-to-new-back fill in the