michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GFX_LAYERSTYPES_H
michael@0: #define GFX_LAYERSTYPES_H
michael@0: 
michael@0: #include <stdint.h>                     // for uint32_t
michael@0: #include "nsPoint.h"                    // for nsIntPoint
michael@0: #include "nsRegion.h"
michael@0: 
michael@0: #include "mozilla/TypedEnum.h"
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0: #include <ui/GraphicBuffer.h>
michael@0: #endif
michael@0: #if defined(DEBUG) || defined(PR_LOGGING)
michael@0: #  include <stdio.h>            // FILE
michael@0: #  include "prlog.h"            // for PR_LOG
michael@0: #  ifndef MOZ_LAYERS_HAVE_LOG
michael@0: #    define MOZ_LAYERS_HAVE_LOG
michael@0: #  endif
michael@0: #  define MOZ_LAYERS_LOG(_args)                             \
michael@0:   PR_LOG(LayerManager::GetLog(), PR_LOG_DEBUG, _args)
michael@0: #  define MOZ_LAYERS_LOG_IF_SHADOWABLE(layer, _args)         \
michael@0:   do { if (layer->AsShadowableLayer()) { PR_LOG(LayerManager::GetLog(), PR_LOG_DEBUG, _args); } } while (0)
michael@0: #else
michael@0: struct PRLogModuleInfo;
michael@0: #  define MOZ_LAYERS_LOG(_args)
michael@0: #  define MOZ_LAYERS_LOG_IF_SHADOWABLE(layer, _args)
michael@0: #endif  // if defined(DEBUG) || defined(PR_LOGGING)
michael@0: 
michael@0: namespace android {
michael@0: class GraphicBuffer;
michael@0: }
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class TextureHost;
michael@0: 
michael@0: typedef uint32_t TextureFlags;
michael@0: 
michael@0: #undef NONE
michael@0: #undef OPAQUE
michael@0: 
michael@0: MOZ_BEGIN_ENUM_CLASS(LayersBackend, int8_t)
michael@0:   LAYERS_NONE = 0,
michael@0:   LAYERS_BASIC,
michael@0:   LAYERS_OPENGL,
michael@0:   LAYERS_D3D9,
michael@0:   LAYERS_D3D10,
michael@0:   LAYERS_D3D11,
michael@0:   LAYERS_CLIENT,
michael@0:   LAYERS_LAST
michael@0: MOZ_END_ENUM_CLASS(LayersBackend)
michael@0: 
michael@0: MOZ_BEGIN_ENUM_CLASS(BufferMode, int8_t)
michael@0:   BUFFER_NONE,
michael@0:   BUFFERED
michael@0: MOZ_END_ENUM_CLASS(BufferMode)
michael@0: 
michael@0: MOZ_BEGIN_ENUM_CLASS(DrawRegionClip, int8_t)
michael@0:   DRAW,
michael@0:   DRAW_SNAPPED,
michael@0:   CLIP_NONE
michael@0: MOZ_END_ENUM_CLASS(DrawRegionClip)
michael@0: 
michael@0: MOZ_BEGIN_ENUM_CLASS(SurfaceMode, int8_t)
michael@0:   SURFACE_NONE = 0,
michael@0:   SURFACE_OPAQUE,
michael@0:   SURFACE_SINGLE_CHANNEL_ALPHA,
michael@0:   SURFACE_COMPONENT_ALPHA
michael@0: MOZ_END_ENUM_CLASS(SurfaceMode)
michael@0: 
michael@0: // LayerRenderState for Composer2D
michael@0: // We currently only support Composer2D using gralloc. If we want to be backed
michael@0: // by other surfaces we will need a more generic LayerRenderState.
michael@0: enum LayerRenderStateFlags {
michael@0:   LAYER_RENDER_STATE_Y_FLIPPED = 1 << 0,
michael@0:   LAYER_RENDER_STATE_BUFFER_ROTATION = 1 << 1,
michael@0:   // Notify Composer2D to swap the RB pixels of gralloc buffer
michael@0:   LAYER_RENDER_STATE_FORMAT_RB_SWAP = 1 << 2
michael@0: };
michael@0: 
michael@0: // The 'ifdef MOZ_WIDGET_GONK' sadness here is because we don't want to include
michael@0: // android::sp unless we have to.
michael@0: struct LayerRenderState {
michael@0:   LayerRenderState()
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0:     : mSurface(nullptr), mTexture(nullptr), mFlags(0), mHasOwnOffset(false)
michael@0: #endif
michael@0:   {}
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0:   LayerRenderState(android::GraphicBuffer* aSurface,
michael@0:                    const nsIntSize& aSize,
michael@0:                    uint32_t aFlags,
michael@0:                    TextureHost* aTexture)
michael@0:     : mSurface(aSurface)
michael@0:     , mSize(aSize)
michael@0:     , mTexture(aTexture)
michael@0:     , mFlags(aFlags)
michael@0:     , mHasOwnOffset(false)
michael@0:   {}
michael@0: 
michael@0:   bool YFlipped() const
michael@0:   { return mFlags & LAYER_RENDER_STATE_Y_FLIPPED; }
michael@0: 
michael@0:   bool BufferRotated() const
michael@0:   { return mFlags & LAYER_RENDER_STATE_BUFFER_ROTATION; }
michael@0: 
michael@0:   bool FormatRBSwapped() const
michael@0:   { return mFlags & LAYER_RENDER_STATE_FORMAT_RB_SWAP; }
michael@0: #endif
michael@0: 
michael@0:   void SetOffset(const nsIntPoint& aOffset)
michael@0:   {
michael@0:     mOffset = aOffset;
michael@0:     mHasOwnOffset = true;
michael@0:   }
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0:   // surface to render
michael@0:   android::sp<android::GraphicBuffer> mSurface;
michael@0:   // size of mSurface 
michael@0:   nsIntSize mSize;
michael@0:   TextureHost* mTexture;
michael@0: #endif
michael@0:   // see LayerRenderStateFlags
michael@0:   uint32_t mFlags;
michael@0:   // the location of the layer's origin on mSurface
michael@0:   nsIntPoint mOffset;
michael@0:   // true if mOffset is applicable
michael@0:   bool mHasOwnOffset;
michael@0: };
michael@0: 
michael@0: MOZ_BEGIN_ENUM_CLASS(ScaleMode, int8_t)
michael@0:   SCALE_NONE,
michael@0:   STRETCH,
michael@0:   SENTINEL
michael@0: // Unimplemented - PRESERVE_ASPECT_RATIO_CONTAIN
michael@0: MOZ_END_ENUM_CLASS(ScaleMode)
michael@0: 
michael@0: struct EventRegions {
michael@0:   nsIntRegion mHitRegion;
michael@0:   nsIntRegion mDispatchToContentHitRegion;
michael@0: 
michael@0:   bool operator==(const EventRegions& aRegions) const
michael@0:   {
michael@0:     return mHitRegion == aRegions.mHitRegion &&
michael@0:            mDispatchToContentHitRegion == aRegions.mDispatchToContentHitRegion;
michael@0:   }
michael@0:   bool operator!=(const EventRegions& aRegions) const
michael@0:   {
michael@0:     return !(*this == aRegions);
michael@0:   }
michael@0: 
michael@0:   nsCString ToString() const
michael@0:   {
michael@0:     nsCString result = mHitRegion.ToString();
michael@0:     result.AppendLiteral(";dispatchToContent=");
michael@0:     result.Append(mDispatchToContentHitRegion.ToString());
michael@0:     return result;
michael@0:   }
michael@0: };
michael@0: 
michael@0: } // namespace
michael@0: } // namespace
michael@0: 
michael@0: #endif /* GFX_LAYERSTYPES_H */