diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.h')
-rw-r--r-- | indra/llrender/llvertexbuffer.h | 194 |
1 files changed, 119 insertions, 75 deletions
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h index aa5df305a6..d859199663 100644 --- a/indra/llrender/llvertexbuffer.h +++ b/indra/llrender/llvertexbuffer.h @@ -38,6 +38,8 @@ #include <vector> #include <list> +#define LL_MAX_VERTEX_ATTRIB_LOCATION 64 + //============================================================================ // NOTES // Threading: @@ -49,31 +51,49 @@ //============================================================================ // gl name pools for dynamic and streaming buffers - -class LLVBOPool : public LLGLNamePool +class LLVBOPool { -protected: - virtual GLuint allocateName() - { - GLuint name; - stop_glerror(); - glGenBuffersARB(1, &name); - stop_glerror(); - return name; - } +public: + static U32 sBytesPooled; + + LLVBOPool(U32 vboUsage, U32 vboType) + : mUsage(vboUsage) + , mType(vboType) + {} + + const U32 mUsage; + const U32 mType; + + //size MUST be a power of 2 + volatile U8* allocate(U32& name, U32 size); + + //size MUST be the size provided to allocate that returned the given name + void release(U32 name, volatile U8* buffer, U32 size); + + //destroy all records in mFreeList + void cleanup(); - virtual void releaseName(GLuint name) + class Record { - stop_glerror(); - glDeleteBuffersARB(1, &name); - stop_glerror(); - } + public: + U32 mGLName; + volatile U8* mClientData; + }; + + typedef std::list<Record> record_list_t; + std::vector<record_list_t> mFreeList; }; +class LLGLFence +{ +public: + virtual void placeFence() = 0; + virtual void wait() = 0; +}; //============================================================================ // base class - +class LLPrivateMemoryPool; class LLVertexBuffer : public LLRefCount { public: @@ -84,12 +104,11 @@ public: S32 mIndex; S32 mCount; - MappedRegion(S32 type, S32 index, S32 count) - : mType(type), mIndex(index), mCount(count) - { } + MappedRegion(S32 type, S32 index, S32 count); }; LLVertexBuffer(const LLVertexBuffer& rhs) + : mUsage(rhs.mUsage) { *this = rhs; } @@ -105,18 +124,17 @@ public: static LLVBOPool sStreamIBOPool; static LLVBOPool sDynamicIBOPool; - static S32 sWeight4Loc; - - static BOOL sUseStreamDraw; - static BOOL sPreferStreamDraw; + static bool sUseStreamDraw; + static bool sUseVAO; + static bool sPreferStreamDraw; static void initClass(bool use_vbo, bool no_vbo_mapping); static void cleanupClass(); static void setupClientArrays(U32 data_mask); static void drawArrays(U32 mode, const std::vector<LLVector3>& pos, const std::vector<LLVector3>& norm); + static void drawElements(U32 mode, const LLVector4a* pos, const LLVector2* tc, S32 num_indices, const U16* indicesp); - static void clientCopy(F64 max_time = 0.005); //copy data from client to GL - static void unbind(); //unbind any bound vertex buffer + static void unbind(); //unbind any bound vertex buffer //get the size of a vertex with the given typemask static S32 calcVertexSize(const U32& typemask); @@ -127,24 +145,29 @@ public: static S32 calcOffsets(const U32& typemask, S32* offsets, S32 num_vertices); + //WARNING -- when updating these enums you MUST + // 1 - update LLVertexBuffer::sTypeSize + // 2 - add a strider accessor + // 3 - modify LLVertexBuffer::setupVertexBuffer + // 4 - modify LLVertexBuffer::setupClientArray + // 5 - modify LLViewerShaderMgr::mReservedAttribs + // 6 - update LLVertexBuffer::setupVertexArray enum { - TYPE_VERTEX, + TYPE_VERTEX = 0, TYPE_NORMAL, TYPE_TEXCOORD0, TYPE_TEXCOORD1, TYPE_TEXCOORD2, TYPE_TEXCOORD3, TYPE_COLOR, - // These use VertexAttribPointer and should possibly be made generic + TYPE_EMISSIVE, TYPE_BINORMAL, TYPE_WEIGHT, TYPE_WEIGHT4, TYPE_CLOTHWEIGHT, - TYPE_MAX, - TYPE_INDEX, - - //no actual additional data, but indicates position.w is texture index TYPE_TEXTURE_INDEX, + TYPE_MAX, + TYPE_INDEX, }; enum { MAP_VERTEX = (1<<TYPE_VERTEX), @@ -154,6 +177,7 @@ public: MAP_TEXCOORD2 = (1<<TYPE_TEXCOORD2), MAP_TEXCOORD3 = (1<<TYPE_TEXCOORD3), MAP_COLOR = (1<<TYPE_COLOR), + MAP_EMISSIVE = (1<<TYPE_EMISSIVE), // These use VertexAttribPointer and should possibly be made generic MAP_BINORMAL = (1<<TYPE_BINORMAL), MAP_WEIGHT = (1<<TYPE_WEIGHT), @@ -167,33 +191,35 @@ protected: virtual ~LLVertexBuffer(); // use unref() - virtual void setupVertexBuffer(U32 data_mask) const; // pure virtual, called from mapBuffer() + virtual void setupVertexBuffer(U32 data_mask); // pure virtual, called from mapBuffer() + void setupVertexArray(); - void genBuffer(); - void genIndices(); + void genBuffer(U32 size); + void genIndices(U32 size); + bool bindGLBuffer(bool force_bind = false); + bool bindGLIndices(bool force_bind = false); + bool bindGLArray(); void releaseBuffer(); void releaseIndices(); - void createGLBuffer(); - void createGLIndices(); + void createGLBuffer(U32 size); + void createGLIndices(U32 size); void destroyGLBuffer(); void destroyGLIndices(); void updateNumVerts(S32 nverts); void updateNumIndices(S32 nindices); - virtual BOOL useVBOs() const; - void unmapBuffer(S32 type); - void freeClientBuffer() ; - void allocateClientVertexBuffer() ; - void allocateClientIndexBuffer() ; - + bool useVBOs() const; + void unmapBuffer(); + public: LLVertexBuffer(U32 typemask, S32 usage); // map for data access - U8* mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range); - U8* mapIndexBuffer(S32 index, S32 count, bool map_range); + volatile U8* mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range); + volatile U8* mapIndexBuffer(S32 index, S32 count, bool map_range); // set for rendering - virtual void setBuffer(U32 data_mask, S32 type = -1); // calls setupVertexBuffer() if data_mask is not 0 + virtual void setBuffer(U32 data_mask); // calls setupVertexBuffer() if data_mask is not 0 + void flush(); //flush pending data to GL memory // allocate buffer void allocateBuffer(S32 nverts, S32 nindices, bool create); virtual void resizeBuffer(S32 newnverts, S32 newnindices); @@ -206,33 +232,35 @@ public: // setVertsNorms(verts, norms); // vb->unmapBuffer(); bool getVertexStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false); + bool getVertexStrider(LLStrider<LLVector4a>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getIndexStrider(LLStrider<U16>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getNormalStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getBinormalStrider(LLStrider<LLVector3>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getColorStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false); + bool getEmissiveStrider(LLStrider<LLColor4U>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getWeightStrider(LLStrider<F32>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getWeight4Strider(LLStrider<LLVector4>& strider, S32 index=0, S32 count = -1, bool map_range = false); bool getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index=0, S32 count = -1, bool map_range = false); - BOOL isEmpty() const { return mEmpty; } - BOOL isLocked() const { return mVertexLocked || mIndexLocked; } + + bool isEmpty() const { return mEmpty; } + bool isLocked() const { return mVertexLocked || mIndexLocked; } S32 getNumVerts() const { return mNumVerts; } S32 getNumIndices() const { return mNumIndices; } - S32 getRequestedVerts() const { return mRequestedNumVerts; } - S32 getRequestedIndices() const { return mRequestedNumIndices; } - - U8* getIndicesPointer() const { return useVBOs() ? (U8*) mAlignedIndexOffset : mMappedIndexData; } - U8* getVerticesPointer() const { return useVBOs() ? (U8*) mAlignedOffset : mMappedData; } + + volatile U8* getIndicesPointer() const { return useVBOs() ? (U8*) mAlignedIndexOffset : mMappedIndexData; } + volatile U8* getVerticesPointer() const { return useVBOs() ? (U8*) mAlignedOffset : mMappedData; } U32 getTypeMask() const { return mTypeMask; } bool hasDataType(S32 type) const { return ((1 << type) & getTypeMask()); } S32 getSize() const; - S32 getIndicesSize() const { return mNumIndices * sizeof(U16); } - U8* getMappedData() const { return mMappedData; } - U8* getMappedIndices() const { return mMappedIndexData; } + S32 getIndicesSize() const { return mIndicesSize; } + volatile U8* getMappedData() const { return mMappedData; } + volatile U8* getMappedIndices() const { return mMappedIndexData; } S32 getOffset(S32 type) const { return mOffsets[type]; } S32 getUsage() const { return mUsage; } + bool isWriteable() const { return (mMappable || mUsage == GL_STREAM_DRAW_ARB) ? true : false; } void draw(U32 mode, U32 count, U32 indices_offset) const; void drawArrays(U32 mode, U32 offset, U32 count) const; @@ -246,46 +274,62 @@ public: protected: S32 mNumVerts; // Number of vertices allocated S32 mNumIndices; // Number of indices allocated - S32 mRequestedNumVerts; // Number of vertices requested - S32 mRequestedNumIndices; // Number of indices requested - + ptrdiff_t mAlignedOffset; ptrdiff_t mAlignedIndexOffset; S32 mSize; + S32 mIndicesSize; U32 mTypeMask; - S32 mUsage; // GL usage + + const S32 mUsage; // GL usage + U32 mGLBuffer; // GL VBO handle U32 mGLIndices; // GL IBO handle - U8* mMappedData; // pointer to currently mapped data (NULL if unmapped) - U8* mMappedIndexData; // pointer to currently mapped indices (NULL if unmapped) - BOOL mVertexLocked; // if TRUE, vertex buffer is being or has been written to in client memory - BOOL mIndexLocked; // if TRUE, index buffer is being or has been written to in client memory - BOOL mFinal; // if TRUE, buffer can not be mapped again - BOOL mFilthy; // if TRUE, entire buffer must be copied (used to prevent redundant dirty flags) - BOOL mEmpty; // if TRUE, client buffer is empty (or NULL). Old values have been discarded. - BOOL mResized; // if TRUE, client buffer has been resized and GL buffer has not - BOOL mDynamicSize; // if TRUE, buffer has been resized at least once (and should be padded) + U32 mGLArray; // GL VAO handle + + volatile U8* mMappedData; // pointer to currently mapped data (NULL if unmapped) + volatile U8* mMappedIndexData; // pointer to currently mapped indices (NULL if unmapped) + + U32 mMappedDataUsingVBOs : 1; + U32 mMappedIndexDataUsingVBOs : 1; + U32 mVertexLocked : 1; // if true, vertex buffer is being or has been written to in client memory + U32 mIndexLocked : 1; // if true, index buffer is being or has been written to in client memory + U32 mFinal : 1; // if true, buffer can not be mapped again + U32 mEmpty : 1; // if true, client buffer is empty (or NULL). Old values have been discarded. + + mutable bool mMappable; // if true, use memory mapping to upload data (otherwise doublebuffer and use glBufferSubData) + S32 mOffsets[TYPE_MAX]; std::vector<MappedRegion> mMappedVertexRegions; std::vector<MappedRegion> mMappedIndexRegions; + mutable LLGLFence* mFence; + + void placeFence() const; + void waitFence() const; + + static S32 determineUsage(S32 usage); + +private: + static LLPrivateMemoryPool* sPrivatePoolp; + public: static S32 sCount; static S32 sGLCount; static S32 sMappedCount; - static BOOL sMapped; - static std::vector<U32> sDeleteList; + static bool sMapped; typedef std::list<LLVertexBuffer*> buffer_list_t; - static BOOL sDisableVBOMapping; //disable glMapBufferARB - static BOOL sEnableVBOs; + static bool sDisableVBOMapping; //disable glMapBufferARB + static bool sEnableVBOs; static S32 sTypeSize[TYPE_MAX]; static U32 sGLMode[LLRender::NUM_MODES]; static U32 sGLRenderBuffer; + static U32 sGLRenderArray; static U32 sGLRenderIndices; - static BOOL sVBOActive; - static BOOL sIBOActive; + static bool sVBOActive; + static bool sIBOActive; static U32 sLastMask; static U32 sAllocatedBytes; static U32 sBindCount; |