| /* |
| Copyright 2010 Google Inc. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| |
| #ifndef GrDrawTarget_DEFINED |
| #define GrDrawTarget_DEFINED |
| |
| #include "GrScalar.h" |
| #include "GrMatrix.h" |
| #include "GrColor.h" |
| #include "GrRefCnt.h" |
| #include "GrSamplerState.h" |
| #include "GrClip.h" |
| |
| class GrTexture; |
| class GrRenderTarget; |
| class GrClipIterator; |
| class GrVertexBuffer; |
| class GrIndexBuffer; |
| |
| class GrDrawTarget : public GrRefCnt { |
| public: |
| /** |
| * Geometric primitives used for drawing. |
| */ |
| enum PrimitiveType { |
| kTriangles_PrimitiveType, |
| kTriangleStrip_PrimitiveType, |
| kTriangleFan_PrimitiveType, |
| kPoints_PrimitiveType, |
| kLines_PrimitiveType, |
| kLineStrip_PrimitiveType |
| }; |
| |
| /** |
| * Flags that affect rendering. Controlled using enable/disableState(). All |
| * default to disabled. |
| */ |
| enum StateBits { |
| kDither_StateBit = 0x1,//<! Perform color dithering |
| kAntialias_StateBit = 0x2,//<! Perform anti-aliasing. The render- |
| // target must support some form of AA |
| // (msaa, coverage sampling, etc). For |
| // GrGpu-created rendertarget/textures |
| // this is controlled by parameters |
| // passed to createTexture. |
| kClip_StateBit = 0x4,//<! Controls whether drawing is clipped |
| // against the region specified by |
| // setClip. |
| }; |
| |
| /** |
| * Coeffecients for alpha-blending. |
| */ |
| enum BlendCoeff { |
| kZero_BlendCoeff, //<! 0 |
| kOne_BlendCoeff, //<! 1 |
| kSC_BlendCoeff, //<! src color |
| kISC_BlendCoeff, //<! one minus src color |
| kDC_BlendCoeff, //<! dst color |
| kIDC_BlendCoeff, //<! one minus dst color |
| kSA_BlendCoeff, //<! src alpha |
| kISA_BlendCoeff, //<! one minus src alpha |
| kDA_BlendCoeff, //<! dst alpha |
| kIDA_BlendCoeff, //<! one minus dst alpha |
| }; |
| |
| /** |
| * StencilPass |
| * |
| * Sets the stencil state for subsequent draw calls. Used to fill paths. |
| * |
| * Winding requires two passes when the GPU/API doesn't support separate |
| * stencil. |
| * |
| * The color pass for path fill is used to zero out stencil bits used for |
| * path filling. Every pixel covere by a winding/EO stencil pass must get |
| * covered by the color pass in order to leave stencil buffer in the correct |
| * state for the next path draw. |
| * |
| * NOTE: Stencil-based Winding fill has alias-to-zero problems. (e.g. A |
| * winding count of 128,256,512,etc with a 8 bit stencil buffer |
| * will be unfilled) |
| */ |
| enum StencilPass { |
| kNone_StencilPass, //<! Not drawing a path or clip. |
| kEvenOddStencil_StencilPass, //<! records in/out in stencil buffer |
| // using the Even/Odd fill rule. |
| kEvenOddColor_StencilPass, //<! writes colors to color target in |
| // pixels marked inside the fill by |
| // kEOFillStencil_StencilPass. Clears |
| // stencil in pixels covered by |
| // geometry. |
| kWindingStencil1_StencilPass, //<! records in/out in stencil buffer |
| // using the Winding fill rule. |
| kWindingStencil2_StencilPass, //<! records in/out in stencil buffer |
| // using the Winding fill rule. |
| // Run when single-stencil-pass winding |
| // not supported (i.e. no separate |
| // stencil support) |
| kWindingColor_StencilPass, //<! writes colors to color target in |
| // pixels marked inside the fill by |
| // kWindFillStencil_StencilPass. Clears |
| // stencil in pixels covered by |
| // geometry. |
| kDrawTargetCount_StencilPass //<! Subclass may extend this enum to use |
| // the stencil for other purposes (e.g. |
| // to do stencil-based clipping) |
| // This value is provided as basis for |
| // defining these extended enum values. |
| }; |
| |
| protected: |
| enum MatrixMode { |
| kModelView_MatrixMode = 0, |
| kTexture_MatrixMode, |
| |
| kMatrixModeCount |
| }; |
| |
| struct DrawState { |
| uint32_t fFlagBits; |
| BlendCoeff fSrcBlend; |
| BlendCoeff fDstBlend; |
| GrTexture* fTexture; |
| GrSamplerState fSamplerState; |
| GrRenderTarget* fRenderTarget; |
| GrColor fColor; |
| float fPointSize; |
| StencilPass fStencilPass; |
| bool fReverseFill; |
| GrMatrix fMatrixModeCache[kMatrixModeCount]; |
| bool operator ==(const DrawState& s) const { |
| return 0 == memcmp(this, &s, sizeof(DrawState)); |
| } |
| bool operator !=(const DrawState& s) const { return !(*this == s); } |
| }; |
| |
| public: |
| /////////////////////////////////////////////////////////////////////////// |
| |
| GrDrawTarget(); |
| |
| /** |
| * Sets the current clip to the region specified by clip. All draws will be |
| * clipped against this clip if kClip_StateBit is enabled. |
| * |
| * @param description of the clipping region |
| */ |
| void setClip(const GrClip& clip); |
| |
| /** |
| * Gets the current clip. |
| * |
| * @return the clip. |
| */ |
| const GrClip& getClip() const; |
| |
| /** |
| * Sets the texture used at the next drawing call |
| * |
| * @param texture The texture to set. Can be NULL though there is no advantage |
| * to settings a NULL texture if doing non-textured drawing |
| */ |
| void setTexture(GrTexture* texture); |
| |
| /** |
| * Retrieves the currently set texture. |
| * |
| * @return The currently set texture. The return value will be NULL if no |
| * texture has been set, NULL was most recently passed to |
| * setTexture, or the last setTexture was destroyed. |
| */ |
| GrTexture* currentTexture() const; |
| |
| /** |
| * Sets the rendertarget used at the next drawing call |
| * |
| * @param target The render target to set. Must be a valid rendertarget. |
| * That is it is a value that was returned by |
| * currentRenderTarget() or GrTexture::asRenderTarget(). |
| */ |
| void setRenderTarget(GrRenderTarget* target); |
| |
| /** |
| * Retrieves the currently set rendertarget. |
| * |
| * @return The currently set render target. |
| */ |
| GrRenderTarget* currentRenderTarget() const; |
| |
| /** |
| * Sets the sampler state for the next draw. |
| * |
| * The sampler state determines the address wrap modes and |
| * filtering |
| * |
| * @param samplerState Specifies the sampler state. |
| */ |
| void setSamplerState(const GrSamplerState& samplerState); |
| |
| /** |
| * Sets the matrix applied to texture coordinates. |
| * |
| * The post-matrix texture coordinates in the square [0,1]^2 cover the |
| * entire area of the texture. This means the full POT width when a NPOT |
| * texture is embedded in a POT width texture to meet the 3D API |
| * requirements. The texture matrix is applied both when the texture |
| * coordinates are explicit and when vertex positions are used as texture |
| * coordinates. In the latter case the texture matrix is applied to the |
| * pre-modelview position values. |
| * |
| * @param m the matrix used to transform the texture coordinates. |
| */ |
| void setTextureMatrix(const GrMatrix& m) { |
| this->loadMatrix(m, kTexture_MatrixMode); |
| } |
| |
| /** |
| * Sets the matrix applied to veretx positions. |
| * |
| * In the post-view-matrix space the rectangle [0,w]x[0,h] |
| * fully covers the render target. (w and h are the width and height of the |
| * the rendertarget.) |
| * |
| * @param m the matrix used to transform the vertex positions. |
| */ |
| void setViewMatrix(const GrMatrix& m) { |
| this->loadMatrix(m, kModelView_MatrixMode); |
| } |
| |
| /** |
| * Multiplies the current view matrix by a matrix |
| * |
| * After this call V' = V*m where V is the old view matrix, |
| * m is the parameter to this function, and V' is the new view matrix. |
| * (We consider positions to be column vectors so position vector p is |
| * transformed by matrix X as p' = X*p.) |
| * |
| * @param m the matrix used to modify the modelview matrix. |
| */ |
| void concatViewMatrix(const GrMatrix& m); |
| |
| /** |
| * Sets color for next draw to a premultiplied-alpha color. |
| * |
| * @param the color to set. |
| */ |
| void setColor(GrColor); |
| |
| /** |
| * Sets the color to be used for the next draw to be |
| * (r,g,b,a) = (alpha, alpha, alpha, alpha). |
| * |
| * @param alpha The alpha value to set as the color. |
| */ |
| void setAlpha(uint8_t alpha); |
| |
| /** |
| * Sets pass for path rendering |
| * |
| * @param pass of path rendering |
| */ |
| void setStencilPass(StencilPass pass); |
| |
| /** |
| * Reveses the in/out decision of the fill rule for path rendering. |
| * Only affects kEOFillColor_StencilPass and kWindingFillColor_StencilPass |
| * |
| * @param reverse true to reverse, false otherwise |
| */ |
| void setReverseFill(bool reverse); |
| |
| /** |
| * Enable render state settings. |
| * |
| * @param flags bitfield of StateBits specifing the states to enable |
| */ |
| void enableState(uint32_t stateBits); |
| |
| /** |
| * Disable render state settings. |
| * |
| * @param flags bitfield of StateBits specifing the states to disable |
| */ |
| void disableState(uint32_t stateBits); |
| |
| bool isDitherState() const { |
| return fCurrDrawState.fFlagBits & kDither_StateBit; |
| } |
| |
| /** |
| * Sets the size of points used the next time points are drawn. |
| * |
| * @param the point size |
| */ |
| void setPointSize(float size); |
| |
| /** |
| * Sets the blending function coeffecients. |
| * |
| * The blend function will be: |
| * D' = sat(S*srcCoef + D*dstCoef) |
| * |
| * where D is the existing destination color, S is the incoming source |
| * color, and D' is the new destination color that will be written. sat() |
| * is the saturation function. |
| * |
| * @param srcCoef coeffecient applied to the src color. |
| * @param dstCoef coeffecient applied to the dst color. |
| */ |
| void setBlendFunc(BlendCoeff srcCoef, BlendCoeff dstCoef); |
| |
| /** |
| * Retrieves the current view matrix |
| * @param matrix will be the current view matrix after return. |
| */ |
| void getViewMatrix(GrMatrix* matrix) const; |
| |
| /** |
| * Retrieves the inverse of the current view matrix. |
| * |
| * If the current view matrix is invertible, return true, and if matrix |
| * is non-null, copy the inverse into it. If the current view matrix is |
| * non-invertible, return false and ignore the matrix parameter. |
| * |
| * @param matrix if not null, will receive a copy of the current inverse. |
| */ |
| bool getViewInverse(GrMatrix* matrix) const; |
| |
| /** |
| * Used to save and restore the GrGpu's drawing state |
| */ |
| struct SavedDrawState { |
| private: |
| DrawState fState; |
| friend class GrDrawTarget; |
| }; |
| |
| /** |
| * Saves the current draw state. The state can be restored at a later time |
| * with restoreDrawState. |
| * |
| * See also AutoStateRestore class. |
| * |
| * @param state will hold the state after the function returns. |
| */ |
| void saveCurrentDrawState(SavedDrawState* state) const; |
| |
| /** |
| * Restores previously saved draw state. The client guarantees that state |
| * was previously passed to saveCurrentDrawState and that the rendertarget |
| * and texture set at save are still valid. |
| * |
| * See also AutoStateRestore class. |
| * |
| * @param state the previously saved state to restore. |
| */ |
| void restoreDrawState(const SavedDrawState& state); |
| |
| /** |
| * Copies the draw state from another target to this target. |
| * |
| * @param srcTarget draw target used as src of the draw state. |
| */ |
| void copyDrawState(const GrDrawTarget& srcTarget); |
| |
| /** |
| * Flags that indicate the layout of vertex data. |
| * |
| * kSeparateTexCoord_VertexLayoutBit is incompatible with |
| * kPositionAsTexCoord_VertexLayoutBit. kTextFormat_VertexLayoutBit is |
| * incompatible with any other flags. |
| * |
| * When kTextFormat_VertexLayoutBit is set: |
| * Texture coordinates are separate. |
| * Positions and Texture coordinates are SkGpuTextVertex. |
| * For non-text vertices: |
| * Position and texture coordinates are GrPoints. |
| * Colors are GrColors. |
| * |
| * The order is always positions, texture coords, colors. |
| */ |
| enum VertexLayoutBits { |
| kSeparateTexCoord_VertexLayoutBit = 0x1, //<! vertices have texture |
| // coords that are not |
| // inferred from the |
| // positions |
| kPositionAsTexCoord_VertexLayoutBit = 0x2, //<! vertices use positions |
| // as texture coords. |
| kColor_VertexLayoutBit = 0x4, //<! vertices have colors |
| kTextFormat_VertexLayoutBit = 0x8, //<! vertices represent glyphs |
| // and therefore contain |
| // two GrGpuTextVertexs. |
| // One for pos and one for |
| // text coords. |
| // for below assert |
| kDummy, |
| kHighVertexLayoutBit = kDummy - 1 |
| }; |
| GR_STATIC_ASSERT(kHighVertexLayoutBit < (1 << 8*sizeof(GrVertexLayout))); |
| |
| /** |
| * Reserves space for vertices and/or indices. Draw target will use |
| * reserved vertices / indices at next draw. |
| * |
| * If succeeds: |
| * if vertexCount is nonzero, *vertices will be the array |
| * of vertices to be filled by caller. The next draw will read |
| * these vertices. |
| * |
| * if indecCount is nonzero, *indices will be the array of indices |
| * to be filled by caller. The next indexed draw will read from |
| * these indices. |
| * |
| * If a client does not already have a vertex buffer or cpu arrays then this |
| * is the preferred way to allocate vertex/index array. It allows the |
| * subclass of GrDrawTarget to decide whether to put data in buffers, to |
| * group vertex data that uses the same state (e.g. for deferred rendering), |
| * etc. |
| * |
| * This must be matched with a releaseReservedGeometry call after all |
| * draws that reference the reserved geometry data have been called. |
| * |
| * AutoGeometryRelease can be used to automatically call the release. |
| * |
| * @param vertexCount the number of vertices to reserve space for. Can be 0. |
| * @param indexCount the number of indices to reserve space for. Can be 0. |
| * @param vertexLayout the format of vertices (ignored if vertexCount == 0). |
| * @param vertices will point to reserved vertex space if vertexCount is |
| * non-zero. Illegal to pass NULL if vertexCount > 0. |
| * @param indices will point to reserved index space if indexCount is |
| * non-zero. Illegal to pass NULL if indexCount > 0. |
| * |
| * @return true if succeeded in allocating space for the vertices and false |
| * if not. |
| */ |
| bool reserveAndLockGeometry(GrVertexLayout vertexLayout, |
| uint32_t vertexCount, |
| uint32_t indexCount, |
| void** vertices, |
| void** indices); |
| /** |
| * Provides hints to caller about the number of vertices and indices |
| * that can be allocated cheaply. This can be useful if caller is reserving |
| * space but doesn't know exactly how much geometry is needed. |
| * |
| * Also may hint whether the draw target should be flushed first. This is |
| * useful for deferred targets. |
| * |
| * @param vertexLayout layout of vertices caller would like to reserve |
| * @param vertexCount in: hint about how many vertices the caller would |
| * like to allocate. |
| * out: a hint about the number of vertices that can be |
| * allocated cheaply. Negative means no hint. |
| * Ignored if NULL. |
| * @param indexCount in: hint about how many indices the caller would |
| * like to allocate. |
| * out: a hint about the number of indices that can be |
| * allocated cheaply. Negative means no hint. |
| * Ignored if NULL. |
| * |
| * @return true if target should be flushed based on the input values. |
| */ |
| virtual bool geometryHints(GrVertexLayout vertexLayout, |
| int32_t* vertexCount, |
| int32_t* indexCount) const; |
| |
| /** |
| * Releases reserved vertex/index data from reserveAndLockGeometry(). |
| */ |
| void releaseReservedGeometry(); |
| |
| /** |
| * Sets source of vertex data for the next draw. Data does not have to be |
| * in the array until drawIndexed or drawNonIndexed. |
| * |
| * @param array cpu array containing vertex data. |
| * @param vertexLayout layout of the vertex data in the array. |
| */ |
| void setVertexSourceToArray(const void* array, GrVertexLayout vertexLayout); |
| |
| /** |
| * Sets source of index data for the next indexed draw. Data does not have |
| * to be in the array until drawIndexed or drawNonIndexed. |
| * |
| * @param array cpu array containing index data. |
| */ |
| void setIndexSourceToArray(const void* array); |
| |
| /** |
| * Sets source of vertex data for the next draw. Data does not have to be |
| * in the buffer until drawIndexed or drawNonIndexed. |
| * |
| * @param buffer vertex buffer containing vertex data. Must be |
| * unlocked before draw call. |
| * @param vertexLayout layout of the vertex data in the buffer. |
| */ |
| void setVertexSourceToBuffer(const GrVertexBuffer* buffer, |
| GrVertexLayout vertexLayout); |
| |
| /** |
| * Sets source of index data for the next indexed draw. Data does not have |
| * to be in the buffer until drawIndexed or drawNonIndexed. |
| * |
| * @param buffer index buffer containing indices. Must be unlocked |
| * before indexed draw call. |
| */ |
| void setIndexSourceToBuffer(const GrIndexBuffer* buffer); |
| |
| /** |
| * Draws indexed geometry using the current state and current vertex / index |
| * sources. |
| * |
| * @param type The type of primitives to draw. |
| * @param startVertex the vertex in the vertex array/buffer corresponding |
| * to index 0 |
| * @param startIndex first index to read from index src. |
| * @param vertexCount one greater than the max index. |
| * @param indexCount the number of index elements to read. The index count |
| * is effectively trimmed to the last completely |
| * specified primitive. |
| */ |
| virtual void drawIndexed(PrimitiveType type, |
| uint32_t startVertex, |
| uint32_t startIndex, |
| uint32_t vertexCount, |
| uint32_t indexCount) = 0; |
| |
| /** |
| * Draws non-indexed geometry using the current state and current vertex |
| * sources. |
| * |
| * @param type The type of primitives to draw. |
| * @param startVertex the vertex in the vertex array/buffer corresponding |
| * to index 0 |
| * @param vertexCount one greater than the max index. |
| */ |
| virtual void drawNonIndexed(PrimitiveType type, |
| uint32_t startVertex, |
| uint32_t vertexCount) = 0; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| |
| class AutoStateRestore : ::GrNoncopyable { |
| public: |
| AutoStateRestore(GrDrawTarget* target); |
| ~AutoStateRestore(); |
| |
| private: |
| GrDrawTarget* fDrawTarget; |
| SavedDrawState fDrawState; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| |
| class AutoReleaseGeometry : ::GrNoncopyable { |
| public: |
| AutoReleaseGeometry(GrDrawTarget* target, |
| GrVertexLayout vertexLayout, |
| uint32_t vertexCount, |
| uint32_t indexCount) { |
| fTarget = target; |
| fSuccess = fTarget->reserveAndLockGeometry(vertexLayout, |
| vertexCount, |
| indexCount, |
| &fVertices, |
| &fIndices); |
| } |
| ~AutoReleaseGeometry() { |
| if (fSuccess) { |
| fTarget->releaseReservedGeometry(); |
| } |
| } |
| |
| bool succeeded() const { return fSuccess; } |
| void* vertices() const { return fVertices; } |
| void* indices() const { return fIndices; } |
| |
| GrPoint* positions() const { |
| return static_cast<GrPoint*>(fVertices); |
| } |
| |
| private: |
| GrDrawTarget* fTarget; |
| bool fSuccess; |
| void* fVertices; |
| void* fIndices; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| |
| class AutoClipRestore : ::GrNoncopyable { |
| public: |
| AutoClipRestore(GrDrawTarget* target) { |
| fTarget = target; |
| fClip = fTarget->getClip(); |
| } |
| |
| ~AutoClipRestore() { |
| fTarget->setClip(fClip); |
| } |
| private: |
| GrDrawTarget* fTarget; |
| GrClip fClip; |
| }; |
| |
| //////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Helper function to compute the size of a vertex from a vertex layout |
| * @return size of a single vertex. |
| */ |
| static size_t VertexSize(GrVertexLayout vertexLayout); |
| |
| /** |
| * Helper function to compute the offset of texture coordinates in a vertex |
| * @return offset of texture coordinates in vertex layout or -1 if the |
| * layout has no texture coordinates. |
| */ |
| static int VertexTexCoordOffset(GrVertexLayout vertexLayout); |
| |
| /** |
| * Helper function to compute the offset of the color in a vertex |
| * @return offset of color in vertex layout or -1 if the |
| * layout has no color. |
| */ |
| static int VertexColorOffset(GrVertexLayout vertexLayout); |
| |
| /** |
| * Helper function to compute vertex size and component offsets. |
| * @param texCoordOffset after return it is the offset of texture coords |
| * in vertex layout or -1 if the layout has no |
| * texture coords. |
| * @param colorOffset after return it is the offset of color in vertex |
| * layout or -1 if the layout has no color. |
| * @return size of a single vertex. |
| */ |
| static int VertexSizeAndOffsets(GrVertexLayout vertexLayout, |
| int* texCoordOffset, |
| int* colorOffset); |
| /** |
| * Helper function to determine if vertex layout contains either explicit or |
| * implicit texture coordinates. |
| * |
| * @return true if vertex specifies texture coordinates, false otherwise. |
| */ |
| static bool VertexHasTexCoords(GrVertexLayout vertexLayout); |
| |
| protected: |
| |
| // Helpers for GrDrawTarget subclasses that won't have private access to |
| // SavedDrawState but need to peek at the state values. |
| static DrawState& accessSavedDrawState(SavedDrawState& sds) |
| { return sds.fState; } |
| static const DrawState& accessSavedDrawState(const SavedDrawState& sds) |
| { return sds.fState; } |
| |
| // implemented by subclass |
| virtual bool acquireGeometryHelper(GrVertexLayout vertexLayout, |
| void** vertices, |
| void** indices) = 0; |
| |
| virtual void releaseGeometryHelper() = 0; |
| |
| virtual void clipWillChange(const GrClip& clip) = 0; |
| |
| enum GeometrySrcType { |
| kArray_GeometrySrcType, |
| kReserved_GeometrySrcType, |
| kBuffer_GeometrySrcType |
| }; |
| |
| struct { |
| bool fLocked; |
| uint32_t fVertexCount; |
| uint32_t fIndexCount; |
| } fReservedGeometry; |
| |
| struct GeometrySrc { |
| GeometrySrcType fVertexSrc; |
| union { |
| const GrVertexBuffer* fVertexBuffer; |
| const void* fVertexArray; |
| }; |
| GeometrySrcType fIndexSrc; |
| union { |
| const GrIndexBuffer* fIndexBuffer; |
| const void* fIndexArray; |
| }; |
| GrVertexLayout fVertexLayout; |
| } fGeometrySrc; |
| |
| GrClip fClip; |
| |
| DrawState fCurrDrawState; |
| |
| // set texture or modelview matrix |
| void loadMatrix(const GrMatrix&, MatrixMode); |
| |
| // not meant for outside usage. Could cause problems if calls between |
| // the save and restore mess with reserved geometry state. |
| class AutoGeometrySrcRestore { |
| public: |
| AutoGeometrySrcRestore(GrDrawTarget* target) { |
| fTarget = target; |
| fGeometrySrc = fTarget->fGeometrySrc; |
| } |
| ~AutoGeometrySrcRestore() { |
| fTarget->fGeometrySrc = fGeometrySrc; |
| } |
| private: |
| GrDrawTarget *fTarget; |
| GeometrySrc fGeometrySrc; |
| |
| AutoGeometrySrcRestore(); |
| AutoGeometrySrcRestore(const AutoGeometrySrcRestore&); |
| AutoGeometrySrcRestore& operator =(AutoGeometrySrcRestore&); |
| }; |
| |
| }; |
| |
| #endif |