2 * mesa 3-D graphics library
5 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * \brief VBO builder module datatypes and definitions.
28 * \author Keith Whitwell
35 #include "main/glheader.h"
37 struct gl_client_array
;
39 struct gl_transform_feedback_object
;
42 GLuint mode
:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
47 GLuint no_current_update
:1;
57 /* Would like to call this a "vbo_index_buffer", but this would be
58 * confusing as the indices are not neccessarily yet in a non-null
61 struct _mesa_index_buffer
{
64 struct gl_buffer_object
*obj
;
70 GLboolean
_vbo_CreateContext( struct gl_context
*ctx
);
71 void _vbo_DestroyContext( struct gl_context
*ctx
);
72 void _vbo_InvalidateState( struct gl_context
*ctx
, GLuint new_state
);
75 typedef void (*vbo_draw_func
)( struct gl_context
*ctx
,
76 const struct _mesa_prim
*prims
,
78 const struct _mesa_index_buffer
*ib
,
79 GLboolean index_bounds_valid
,
82 struct gl_transform_feedback_object
*tfb_vertcount
);
87 /* Utility function to cope with various constraints on tnl modules or
88 * hardware. This can be used to split an incoming set of arrays and
89 * primitives against the following constraints:
90 * - Maximum number of indices in index buffer.
91 * - Maximum number of vertices referenced by index buffer.
92 * - Maximum hardware vertex buffer size.
97 GLuint max_vb_size
; /* bytes */
101 void vbo_split_prims( struct gl_context
*ctx
,
102 const struct gl_client_array
*arrays
[],
103 const struct _mesa_prim
*prim
,
105 const struct _mesa_index_buffer
*ib
,
109 const struct split_limits
*limits
);
112 /* Helpers for dealing translating away non-zero min_index.
114 GLboolean
vbo_all_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
115 GLboolean
vbo_any_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
117 void vbo_rebase_prims( struct gl_context
*ctx
,
118 const struct gl_client_array
*arrays
[],
119 const struct _mesa_prim
*prim
,
121 const struct _mesa_index_buffer
*ib
,
124 vbo_draw_func draw
);
127 vbo_sizeof_ib_type(GLenum type
)
130 case GL_UNSIGNED_INT
:
131 return sizeof(GLuint
);
132 case GL_UNSIGNED_SHORT
:
133 return sizeof(GLushort
);
134 case GL_UNSIGNED_BYTE
:
135 return sizeof(GLubyte
);
137 assert(!"unsupported index data type");
138 /* In case assert is turned off */
144 vbo_get_minmax_indices(struct gl_context
*ctx
, const struct _mesa_prim
*prim
,
145 const struct _mesa_index_buffer
*ib
,
146 GLuint
*min_index
, GLuint
*max_index
, GLuint nr_prims
);
148 void vbo_use_buffer_objects(struct gl_context
*ctx
);
150 void vbo_always_unmap_buffers(struct gl_context
*ctx
);
152 void vbo_set_draw_func(struct gl_context
*ctx
, vbo_draw_func func
);
154 void vbo_check_buffers_are_unmapped(struct gl_context
*ctx
);
156 void vbo_bind_arrays(struct gl_context
*ctx
);
159 vbo_count_tessellated_primitives(GLenum mode
, GLuint count
,
160 GLuint num_instances
);
163 vbo_sw_primitive_restart(struct gl_context
*ctx
,
164 const struct _mesa_prim
*prim
,
166 const struct _mesa_index_buffer
*ib
);
169 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
);
172 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
);
175 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
);
178 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
);
181 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
);
184 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
187 _es_VertexAttrib1f(GLuint indx
, GLfloat x
);
190 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
);
193 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
);
196 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
);
199 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
);
202 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
);
205 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
);