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"
42 struct gl_client_array
;
44 struct gl_transform_feedback_object
;
47 GLuint mode
:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
52 GLuint no_current_update
:1;
63 GLsizeiptr indirect_offset
;
66 /* Would like to call this a "vbo_index_buffer", but this would be
67 * confusing as the indices are not neccessarily yet in a non-null
70 struct _mesa_index_buffer
{
73 struct gl_buffer_object
*obj
;
79 GLboolean
_vbo_CreateContext( struct gl_context
*ctx
);
80 void _vbo_DestroyContext( struct gl_context
*ctx
);
81 void _vbo_InvalidateState( struct gl_context
*ctx
, GLbitfield new_state
);
85 vbo_initialize_exec_dispatch(const struct gl_context
*ctx
,
86 struct _glapi_table
*exec
);
89 vbo_initialize_save_dispatch(const struct gl_context
*ctx
,
90 struct _glapi_table
*exec
);
92 void vbo_exec_FlushVertices(struct gl_context
*ctx
, GLuint flags
);
93 void vbo_save_SaveFlushVertices(struct gl_context
*ctx
);
94 GLboolean
vbo_save_NotifyBegin(struct gl_context
*ctx
, GLenum mode
);
95 void vbo_save_NewList(struct gl_context
*ctx
, GLuint list
, GLenum mode
);
96 void vbo_save_EndList(struct gl_context
*ctx
);
97 void vbo_save_BeginCallList(struct gl_context
*ctx
, struct gl_display_list
*list
);
98 void vbo_save_EndCallList(struct gl_context
*ctx
);
101 typedef void (*vbo_draw_func
)( struct gl_context
*ctx
,
102 const struct _mesa_prim
*prims
,
104 const struct _mesa_index_buffer
*ib
,
105 GLboolean index_bounds_valid
,
108 struct gl_transform_feedback_object
*tfb_vertcount
,
110 struct gl_buffer_object
*indirect
);
113 typedef void (*vbo_indirect_draw_func
)(
114 struct gl_context
*ctx
,
116 struct gl_buffer_object
*indirect_data
,
117 GLsizeiptr indirect_offset
,
120 struct gl_buffer_object
*indirect_params
,
121 GLsizeiptr indirect_params_offset
,
122 const struct _mesa_index_buffer
*ib
);
127 /* Utility function to cope with various constraints on tnl modules or
128 * hardware. This can be used to split an incoming set of arrays and
129 * primitives against the following constraints:
130 * - Maximum number of indices in index buffer.
131 * - Maximum number of vertices referenced by index buffer.
132 * - Maximum hardware vertex buffer size.
134 struct split_limits
{
137 GLuint max_vb_size
; /* bytes */
141 void vbo_split_prims( struct gl_context
*ctx
,
142 const struct gl_client_array
*arrays
[],
143 const struct _mesa_prim
*prim
,
145 const struct _mesa_index_buffer
*ib
,
149 const struct split_limits
*limits
);
152 /* Helpers for dealing translating away non-zero min_index.
154 GLboolean
vbo_all_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
155 GLboolean
vbo_any_varyings_in_vbos( const struct gl_client_array
*arrays
[] );
157 void vbo_rebase_prims( struct gl_context
*ctx
,
158 const struct gl_client_array
*arrays
[],
159 const struct _mesa_prim
*prim
,
161 const struct _mesa_index_buffer
*ib
,
164 vbo_draw_func draw
);
167 vbo_sizeof_ib_type(GLenum type
)
170 case GL_UNSIGNED_INT
:
171 return sizeof(GLuint
);
172 case GL_UNSIGNED_SHORT
:
173 return sizeof(GLushort
);
174 case GL_UNSIGNED_BYTE
:
175 return sizeof(GLubyte
);
177 assert(!"unsupported index data type");
178 /* In case assert is turned off */
184 vbo_get_minmax_indices(struct gl_context
*ctx
, const struct _mesa_prim
*prim
,
185 const struct _mesa_index_buffer
*ib
,
186 GLuint
*min_index
, GLuint
*max_index
, GLuint nr_prims
);
188 void vbo_use_buffer_objects(struct gl_context
*ctx
);
190 void vbo_always_unmap_buffers(struct gl_context
*ctx
);
192 void vbo_set_draw_func(struct gl_context
*ctx
, vbo_draw_func func
);
194 void vbo_set_indirect_draw_func(struct gl_context
*ctx
,
195 vbo_indirect_draw_func func
);
197 void vbo_check_buffers_are_unmapped(struct gl_context
*ctx
);
199 void vbo_bind_arrays(struct gl_context
*ctx
);
202 vbo_count_tessellated_primitives(GLenum mode
, GLuint count
,
203 GLuint num_instances
);
206 vbo_try_prim_conversion(struct _mesa_prim
*p
);
209 vbo_can_merge_prims(const struct _mesa_prim
*p0
, const struct _mesa_prim
*p1
);
212 vbo_merge_prims(struct _mesa_prim
*p0
, const struct _mesa_prim
*p1
);
215 vbo_sw_primitive_restart(struct gl_context
*ctx
,
216 const struct _mesa_prim
*prim
,
218 const struct _mesa_index_buffer
*ib
,
219 struct gl_buffer_object
*indirect
);
222 _es_Color4f(GLfloat r
, GLfloat g
, GLfloat b
, GLfloat a
);
225 _es_Normal3f(GLfloat x
, GLfloat y
, GLfloat z
);
228 _es_MultiTexCoord4f(GLenum target
, GLfloat s
, GLfloat t
, GLfloat r
, GLfloat q
);
231 _es_Materialfv(GLenum face
, GLenum pname
, const GLfloat
*params
);
234 _es_Materialf(GLenum face
, GLenum pname
, GLfloat param
);
237 _es_VertexAttrib4f(GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
240 _es_VertexAttrib1f(GLuint indx
, GLfloat x
);
243 _es_VertexAttrib1fv(GLuint indx
, const GLfloat
* values
);
246 _es_VertexAttrib2f(GLuint indx
, GLfloat x
, GLfloat y
);
249 _es_VertexAttrib2fv(GLuint indx
, const GLfloat
* values
);
252 _es_VertexAttrib3f(GLuint indx
, GLfloat x
, GLfloat y
, GLfloat z
);
255 _es_VertexAttrib3fv(GLuint indx
, const GLfloat
* values
);
258 _es_VertexAttrib4fv(GLuint indx
, const GLfloat
* values
);