2 * mesa 3-D graphics library
5 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
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8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
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11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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27 * \brief VBO builder module datatypes and definitions.
28 * \author Keith Whitwell
35 #include "main/glheader.h"
37 struct gl_client_array;
41 GLuint mode:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
46 GLuint no_current_update:1;
52 GLsizei num_instances;
55 /* Would like to call this a "vbo_index_buffer", but this would be
56 * confusing as the indices are not neccessarily yet in a non-null
59 struct _mesa_index_buffer {
62 struct gl_buffer_object *obj;
68 GLboolean _vbo_CreateContext( struct gl_context *ctx );
69 void _vbo_DestroyContext( struct gl_context *ctx );
70 void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state );
73 typedef void (*vbo_draw_func)( struct gl_context *ctx,
74 const struct gl_client_array **arrays,
75 const struct _mesa_prim *prims,
77 const struct _mesa_index_buffer *ib,
78 GLboolean index_bounds_valid,
85 /* Utility function to cope with various constraints on tnl modules or
86 * hardware. This can be used to split an incoming set of arrays and
87 * primitives against the following constraints:
88 * - Maximum number of indices in index buffer.
89 * - Maximum number of vertices referenced by index buffer.
90 * - Maximum hardware vertex buffer size.
95 GLuint max_vb_size; /* bytes */
99 void vbo_split_prims( struct gl_context *ctx,
100 const struct gl_client_array *arrays[],
101 const struct _mesa_prim *prim,
103 const struct _mesa_index_buffer *ib,
107 const struct split_limits *limits );
110 /* Helpers for dealing translating away non-zero min_index.
112 GLboolean vbo_all_varyings_in_vbos( const struct gl_client_array *arrays[] );
113 GLboolean vbo_any_varyings_in_vbos( const struct gl_client_array *arrays[] );
115 void vbo_rebase_prims( struct gl_context *ctx,
116 const struct gl_client_array *arrays[],
117 const struct _mesa_prim *prim,
119 const struct _mesa_index_buffer *ib,
122 vbo_draw_func draw );
124 vbo_get_minmax_index(struct gl_context *ctx, const struct _mesa_prim *prim,
125 const struct _mesa_index_buffer *ib,
126 GLuint *min_index, GLuint *max_index);
128 void vbo_use_buffer_objects(struct gl_context *ctx);
130 void vbo_always_unmap_buffers(struct gl_context *ctx);
132 void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func);
134 void vbo_check_buffers_are_unmapped(struct gl_context *ctx);
138 _es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
141 _es_Normal3f(GLfloat x, GLfloat y, GLfloat z);
144 _es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);
147 _es_Materialfv(GLenum face, GLenum pname, const GLfloat *params);
150 _es_Materialf(GLenum face, GLenum pname, GLfloat param);
153 _es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
156 _es_VertexAttrib1f(GLuint indx, GLfloat x);
159 _es_VertexAttrib1fv(GLuint indx, const GLfloat* values);
162 _es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y);
165 _es_VertexAttrib2fv(GLuint indx, const GLfloat* values);
168 _es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z);
171 _es_VertexAttrib3fv(GLuint indx, const GLfloat* values);
174 _es_VertexAttrib4fv(GLuint indx, const GLfloat* values);