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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /APEX_1.4/framework/include/ApexVertexFormat.h
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Initial commit:
PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @ 21275617 [CL 21300167]
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+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto. Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+
+#ifndef __APEX_VERTEX_FORMAT_H__
+#define __APEX_VERTEX_FORMAT_H__
+
+
+#include "VertexFormat.h"
+#include "PsUserAllocated.h"
+#include "PsArray.h"
+#include "VertexFormatParameters.h"
+#include "ApexSharedUtils.h"
+
+namespace nvidia
+{
+namespace apex
+{
+
+
+class ApexVertexFormat : public VertexFormat, public UserAllocated
+{
+public:
+ ApexVertexFormat();
+ ApexVertexFormat(VertexFormatParameters* params);
+ ~ApexVertexFormat();
+ explicit ApexVertexFormat(const ApexVertexFormat& f);
+
+ // VertexFormat methods
+
+ /** \brief Resets the format to the initial state */
+ virtual void reset();
+
+
+ /** \brief Sets the winding (cull mode) for this format */
+ virtual void setWinding(RenderCullMode::Enum winding);
+
+ /** \brief Sets whether or not a separate bone buffer is used */
+ virtual void setHasSeparateBoneBuffer(bool hasSeparateBoneBuffer);
+
+ /** \brief Accessor to read winding (cull mode) */
+ virtual RenderCullMode::Enum getWinding() const;
+
+ /** \brief Accessor to read if a seperate vertex buffer for bone indices and weights is generated */
+ virtual bool hasSeparateBoneBuffer() const;
+
+ /** \brief Returns a buffer name for a semantic. Returns NULL if the semantic is invalid. */
+ virtual const char* getSemanticName(RenderVertexSemantic::Enum semantic) const;
+
+ /** \brief Returns a buffer ID for a semantic. For custom buffers, use the getID() function. */
+ virtual BufferID getSemanticID(RenderVertexSemantic::Enum semantic) const;
+
+ /** \brief Returns a buffer ID for a named buffer. For standard semantics, the getSemanticID( semantic ) function is faster, but
+ is equivalent to getID( getSemanticName( semantic ) ). Returns 0 if name == NULL */
+ virtual BufferID getID(const char* name) const;
+
+
+ /** \brief Adds a vertex buffer channel to this format
+ \param [in] name the name of a new buffer (use getSemanticName for standard semantics)
+ \return The buffer index. If the buffer for the semantic already exists, the index of the existing buffer is returned. Returns -1 if there is an error (e.g. name == NULL).
+ */
+ virtual int32_t addBuffer(const char* name);
+
+ /** \brief Removes a buffer
+ \param [in] index the buffer to remove
+ \return True if successful, false otherwise (if the buffer index was invalid)
+ */
+ virtual bool bufferReplaceWithLast(uint32_t index);
+
+
+ /** \brief Set the format for a buffer
+ \return True if successful, false otherwise (if the buffer index was invalid)
+ */
+ virtual bool setBufferFormat(uint32_t index, RenderDataFormat::Enum format);
+
+ /** \brief Set the access type for a buffer (static, dynamic, etc.)
+ \return True if successful, false otherwise (if the buffer index was invalid)
+ */
+ virtual bool setBufferAccess(uint32_t index, RenderDataAccess::Enum access);
+
+ /** \brief Set whether or not the buffer should be serialized
+ \return True if successful, false otherwise (if the buffer index was invalid)
+ */
+ virtual bool setBufferSerialize(uint32_t index, bool serialize);
+
+
+ /** \brief Accessor to read the name of a given buffer
+ \return The buffer name if successful, NULL otherwise.
+ */
+ virtual const char* getBufferName(uint32_t index) const;
+
+ /** \brief Accessor to read the semantic of a given buffer
+ \return The buffer semantic if successful, RenderVertexSemantic::NUM_SEMANTICS otherwise.
+ */
+ virtual RenderVertexSemantic::Enum getBufferSemantic(uint32_t index) const;
+
+ /** \brief Accessor to read the ID of a given buffer
+ \return The buffer semantic if successful, 0 otherwise.
+ */
+ virtual BufferID getBufferID(uint32_t index) const;
+
+ /** \brief Get the format for a buffer
+ \return The buffer format if successful, RenderDataFormat::UNSPECIFIED otherwise.
+ */
+ virtual RenderDataFormat::Enum getBufferFormat(uint32_t index) const;
+
+ /** \brief Get the access type for a buffer (static, dynamic, etc.)
+ \return The buffer access if successful, RenderDataAccess::ACCESS_TYPE_COUNT otherwise.
+ */
+ virtual RenderDataAccess::Enum getBufferAccess(uint32_t index) const;
+
+ /** \brief Get whether or not the buffer should be serialized
+ \return Whether or not the buffer should be serialized if successful, false otherwise.
+ */
+ virtual bool getBufferSerialize(uint32_t index) const;
+
+
+ /** \brief Accessor to read the number of buffers */
+ virtual uint32_t getBufferCount() const;
+
+ /** \brief Returns the number of buffers that are user-specified */
+ virtual uint32_t getCustomBufferCount() const;
+
+ /** \brief Accessor to get the buffer index
+ If the buffer is not found, -1 is returned
+ */
+ virtual int32_t getBufferIndexFromID(BufferID id) const;
+
+ // ApexVertexFormat internal methods
+
+ bool operator == (const VertexFormat& format) const;
+ bool operator != (const VertexFormat& format) const
+ {
+ return !(*this == format);
+ }
+
+ void copy(const ApexVertexFormat& other);
+
+private:
+ void clearBuffers();
+
+ ApexVertexFormat& operator = (const ApexVertexFormat&)
+ {
+ return *this; // No assignment
+ }
+
+ struct CustomBuffer
+ {
+ char* name;
+ RenderDataFormat::Enum format;
+ bool serialize;
+ };
+
+ VertexFormatParameters* mParams;
+ bool mOwnsParams;
+
+ friend class ApexVertexBuffer;
+};
+
+}
+} // end namespace nvidia::apex
+
+
+#endif // __APEX_VERTEX_FORMAT_H__