2 * mesa 3-D graphics library
4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
27 * \brief VBO builder module datatypes and definitions.
28 * \author Keith Whitwell
36 #include "main/glheader.h"
38 struct gl_client_array
;
40 struct gl_transform_feedback_object
;
43 GLuint mode
:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
48 GLuint no_current_update
:1;
58 /* Would like to call this a "vbo_index_buffer", but this would be
59 * confusing as the indices are not neccessarily yet in a non-null
62 struct _mesa_index_buffer
{
65 struct gl_buffer_object
*obj
;
71 GLboolean
_vbo_CreateContext( struct gl_context
*ctx
);
72 void _vbo_DestroyContext( struct gl_context
*ctx
);
73 void _vbo_InvalidateState( struct gl_context
*ctx
, GLuint new_state
);
77 vbo_initialize_exec_dispatch(const struct gl_context
*ctx
,
78 struct _glapi_table
*exec
);
81 vbo_initialize_save_dispatch(const struct gl_context
*ctx
,
82 struct _glapi_table
*exec
);
85 typedef void (*vbo_draw_func
)( struct gl_context
*ctx
,
86 const struct _mesa_prim
*prims
,
88 const struct _mesa_index_buffer
*ib
,
89 GLboolean index_bounds_valid
,
92 struct gl_transform_feedback_object
*tfb_vertcount
);
97 /* Utility function to cope with various constraints on tnl modules or
98 * hardware. This can be used to split an incoming set of arrays and
99 * primitives against the following constraints:
100 * - Maximum number of indices in index buffer.
101 * - Maximum number of vertices referenced by index buffer.
102 * - Maximum hardware vertex buffer size.
104 struct split_limits
{
107 GLuint max_vb_size
; /* bytes */
111 void vbo_split_prims( struct gl_context
*ctx
,
112 const struct gl_client_array
*arrays
[],
113 const struct _mesa_prim
*prim
,
115 const struct _mesa_index_buffer
*ib
,
119 const struct split_limits
*limits
);
122 /* Helpers for dealing translating away non-zero min_index.
124 GLboolean
vbo_all_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
125 GLboolean
vbo_any_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
127 void vbo_rebase_prims( struct gl_context
*ctx
,
128 const struct gl_client_array
*arrays
[],
129 const struct _mesa_prim
*prim
,
131 const struct _mesa_index_buffer
*ib
,
134 vbo_draw_func draw
);
137 vbo_sizeof_ib_type(GLenum type
)
140 case GL_UNSIGNED_INT
:
141 return sizeof(GLuint
);
142 case GL_UNSIGNED_SHORT
:
143 return sizeof(GLushort
);
144 case GL_UNSIGNED_BYTE
:
145 return sizeof(GLubyte
);
147 assert(!"unsupported index data type");
148 /* In case assert is turned off */
154 vbo_get_minmax_indices(struct gl_context
*ctx
, const struct _mesa_prim
*prim
,
155 const struct _mesa_index_buffer
*ib
,
156 GLuint
*min_index
, GLuint
*max_index
, GLuint nr_prims
);
158 void vbo_use_buffer_objects(struct gl_context
*ctx
);
160 void vbo_always_unmap_buffers(struct gl_context
*ctx
);
162 void vbo_set_draw_func(struct gl_context
*ctx
, vbo_draw_func func
);
164 void vbo_check_buffers_are_unmapped(struct gl_context
*ctx
);
166 void vbo_bind_arrays(struct gl_context
*ctx
);
169 vbo_count_tessellated_primitives(GLenum mode
, GLuint count
,
170 GLuint num_instances
);
173 vbo_try_prim_conversion(struct _mesa_prim
*p
);
176 vbo_can_merge_prims(const struct _mesa_prim
*p0
, const struct _mesa_prim
*p1
);
179 vbo_merge_prims(struct _mesa_prim
*p0
, const struct _mesa_prim
*p1
);
182 vbo_sw_primitive_restart(struct gl_context
*ctx
,
183 const struct _mesa_prim
*prim
,
185 const struct _mesa_index_buffer
*ib
);
188 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
);
191 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
);
194 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
);
197 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
);
200 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
);
203 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
206 _es_VertexAttrib1f(GLuint indx
, GLfloat x
);
209 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
);
212 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
);
215 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
);
218 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
);
221 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
);
224 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
);