зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.5 KiB
C++
98 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_LAYERSTYPES_H
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#define GFX_LAYERSTYPES_H
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#include "nsPoint.h"
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#if defined(DEBUG) || defined(PR_LOGGING)
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# include <stdio.h> // FILE
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# include "prlog.h"
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# ifndef MOZ_LAYERS_HAVE_LOG
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# define MOZ_LAYERS_HAVE_LOG
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# endif
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# define MOZ_LAYERS_LOG(_args) \
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PR_LOG(LayerManager::GetLog(), PR_LOG_DEBUG, _args)
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# define MOZ_LAYERS_LOG_IF_SHADOWABLE(layer, _args) \
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do { if (layer->AsShadowableLayer()) { PR_LOG(LayerManager::GetLog(), PR_LOG_DEBUG, _args); } } while (0)
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#else
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struct PRLogModuleInfo;
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# define MOZ_LAYERS_LOG(_args)
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# define MOZ_LAYERS_LOG_IF_SHADOWABLE(layer, _args)
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#endif // if defined(DEBUG) || defined(PR_LOGGING)
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namespace mozilla {
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namespace layers {
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class SurfaceDescriptor;
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typedef uint32_t TextureFlags;
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enum LayersBackend {
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LAYERS_NONE = 0,
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LAYERS_BASIC,
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LAYERS_OPENGL,
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LAYERS_D3D9,
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LAYERS_D3D10,
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LAYERS_D3D11,
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LAYERS_CLIENT,
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LAYERS_LAST
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};
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enum BufferMode {
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BUFFER_NONE,
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BUFFER_BUFFERED
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};
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// The kinds of mask layer a shader can support
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// We rely on the items in this enum being sequential
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enum MaskType {
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MaskNone = 0, // no mask layer
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Mask2d, // mask layer for layers with 2D transforms
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Mask3d, // mask layer for layers with 3D transforms
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NumMaskTypes
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};
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// LayerRenderState for Composer2D
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enum LayerRenderStateFlags {
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LAYER_RENDER_STATE_Y_FLIPPED = 1 << 0,
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LAYER_RENDER_STATE_BUFFER_ROTATION = 1 << 1
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};
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struct LayerRenderState {
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LayerRenderState() : mSurface(nullptr), mFlags(0), mHasOwnOffset(false)
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{}
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LayerRenderState(SurfaceDescriptor* aSurface, uint32_t aFlags = 0)
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: mSurface(aSurface)
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, mFlags(aFlags)
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, mHasOwnOffset(false)
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{}
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LayerRenderState(SurfaceDescriptor* aSurface, nsIntPoint aOffset, uint32_t aFlags = 0)
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: mSurface(aSurface)
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, mFlags(aFlags)
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, mOffset(aOffset)
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, mHasOwnOffset(true)
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{}
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bool YFlipped() const
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{ return mFlags & LAYER_RENDER_STATE_Y_FLIPPED; }
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bool BufferRotated() const
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{ return mFlags & LAYER_RENDER_STATE_BUFFER_ROTATION; }
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SurfaceDescriptor* mSurface;
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uint32_t mFlags;
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nsIntPoint mOffset;
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bool mHasOwnOffset;
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};
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} // namespace
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} // namespace
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#endif /* GFX_LAYERSTYPES_H */
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