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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
196 lines
5.4 KiB
C
196 lines
5.4 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 7.6
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef VARRAY_H
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#define VARRAY_H
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#include "glheader.h"
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#include "mfeatures.h"
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struct gl_client_array;
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struct gl_context;
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/**
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* Compute the index of the last array element that can be safely accessed in
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* a vertex array. We can really only do this when the array lives in a VBO.
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* The array->_MaxElement field will be updated.
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* Later in glDrawArrays/Elements/etc we can do some bounds checking.
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*/
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static inline void
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_mesa_update_array_max_element(struct gl_client_array *array)
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{
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assert(array->Enabled);
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if (array->BufferObj->Name) {
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GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
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GLsizeiptrARB bufSize = (GLsizeiptrARB) array->BufferObj->Size;
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if (offset < bufSize) {
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array->_MaxElement = (bufSize - offset + array->StrideB
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- array->_ElementSize) / array->StrideB;
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}
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else {
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array->_MaxElement = 0;
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}
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}
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else {
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/* user-space array, no idea how big it is */
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array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
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}
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}
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#if _HAVE_FULL_GL
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extern void GLAPIENTRY
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_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
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const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_UnlockArraysEXT( void );
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extern void GLAPIENTRY
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_mesa_LockArraysEXT(GLint first, GLsizei count);
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extern void GLAPIENTRY
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_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
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const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
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GLsizei count, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
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const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
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const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
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const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
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GLsizei count, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
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extern void GLAPIENTRY
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_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_SecondaryColorPointerEXT(GLint size, GLenum type,
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GLsizei stride, const GLvoid *ptr);
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extern void GLAPIENTRY
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_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
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extern void GLAPIENTRY
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_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
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const GLsizei * count,
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GLsizei primcount, GLint modestride );
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extern void GLAPIENTRY
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_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
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GLenum type, const GLvoid * const * indices,
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GLsizei primcount, GLint modestride );
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extern void GLAPIENTRY
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_mesa_LockArraysEXT(GLint first, GLsizei count);
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extern void GLAPIENTRY
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_mesa_UnlockArraysEXT( void );
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extern void GLAPIENTRY
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_mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
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extern void GLAPIENTRY
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_mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
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const GLvoid *indices);
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extern void GLAPIENTRY
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_mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
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GLenum type, const GLvoid *indices);
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extern void
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_mesa_copy_client_array(struct gl_context *ctx,
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struct gl_client_array *dst,
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struct gl_client_array *src);
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extern void
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_mesa_print_arrays(struct gl_context *ctx);
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extern void
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_mesa_init_varray( struct gl_context * ctx );
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extern void
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_mesa_free_varray_data(struct gl_context *ctx);
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#else
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/** No-op */
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#define _mesa_init_varray( c ) ((void)0)
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#define _mesa_free_varray_data( c ) ((void)0)
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#endif
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#endif
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