diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo.h')
| -rw-r--r-- | mesalib/src/mesa/vbo/vbo.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/mesalib/src/mesa/vbo/vbo.h b/mesalib/src/mesa/vbo/vbo.h new file mode 100644 index 000000000..5986e9357 --- /dev/null +++ b/mesalib/src/mesa/vbo/vbo.h @@ -0,0 +1,142 @@ +/* + * mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/** + * \file vbo_context.h + * \brief VBO builder module datatypes and definitions. + * \author Keith Whitwell + */ + + +#ifndef _VBO_H +#define _VBO_H + +#include "main/mtypes.h" + +struct _mesa_prim { + GLuint mode:8; + GLuint indexed:1; + GLuint begin:1; + GLuint end:1; + GLuint weak:1; + GLuint pad:20; + + GLuint start; + GLuint count; +}; + +/* Would like to call this a "vbo_index_buffer", but this would be + * confusing as the indices are not neccessarily yet in a non-null + * buffer object. + */ +struct _mesa_index_buffer { + GLuint count; + GLenum type; + struct gl_buffer_object *obj; + const void *ptr; +}; + + + +GLboolean _vbo_CreateContext( GLcontext *ctx ); +void _vbo_DestroyContext( GLcontext *ctx ); +void _vbo_InvalidateState( GLcontext *ctx, GLuint new_state ); + + +typedef void (*vbo_draw_func)( GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index ); + + + + +/* Utility function to cope with various constraints on tnl modules or + * hardware. This can be used to split an incoming set of arrays and + * primitives against the following constraints: + * - Maximum number of indices in index buffer. + * - Maximum number of vertices referenced by index buffer. + * - Maximum hardware vertex buffer size. + */ +struct split_limits { + GLuint max_verts; + GLuint max_indices; + GLuint max_vb_size; /* bytes */ +}; + + +void vbo_split_prims( GLcontext *ctx, + const struct gl_client_array *arrays[], + const struct _mesa_prim *prim, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index, + vbo_draw_func draw, + const struct split_limits *limits ); + + +/* Helpers for dealing translating away non-zero min_index. + */ +GLboolean vbo_all_varyings_in_vbos( const struct gl_client_array *arrays[] ); + +void vbo_rebase_prims( GLcontext *ctx, + const struct gl_client_array *arrays[], + const struct _mesa_prim *prim, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index, + vbo_draw_func draw ); +void +vbo_get_minmax_index(GLcontext *ctx, const struct _mesa_prim *prim, + const struct _mesa_index_buffer *ib, + GLuint *min_index, GLuint *max_index); + +void vbo_use_buffer_objects(GLcontext *ctx); + + +void vbo_set_draw_func(GLcontext *ctx, vbo_draw_func func); + + +void GLAPIENTRY +_vbo_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a); + +void GLAPIENTRY +_vbo_Normal3f(GLfloat x, GLfloat y, GLfloat z); + +void GLAPIENTRY +_vbo_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q); + +void GLAPIENTRY +_vbo_Materialfv(GLenum face, GLenum pname, const GLfloat *params); + +void GLAPIENTRY +_vbo_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + +#endif |