1/*
2Copyright (c) 2012, Broadcom Europe Ltd
3All rights reserved.
4
5Redistribution and use in source and binary forms, with or without
6modification, are permitted provided that the following conditions are met:
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 * Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in the
11 documentation and/or other materials provided with the distribution.
12 * Neither the name of the copyright holder nor the
13 names of its contributors may be used to endorse or promote products
14 derived from this software without specific prior written permission.
15
16THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
20DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*/
27
28#ifndef GLXX_INT_ATTRIB_H
29#define GLXX_INT_ATTRIB_H
30
31#include "interface/khronos/include/GLES/gl.h"
32#include "interface/khronos/include/GLES2/gl2.h"
33#include "interface/khronos/glxx/gl11_int_config.h"
34#include "interface/khronos/glxx/glxx_int_config.h"
35
36#include <stddef.h>
37
38typedef struct {
39 GLboolean enabled;
40
41 GLint size;
42 GLenum type;
43 GLboolean normalized;
44 GLsizei stride;
45
46 const GLvoid *pointer;
47
48 GLuint buffer;
49
50 GLfloat value[4];
51} GLXX_ATTRIB_T;
52
53
54/* GL 1.1 specific For indexing into arrays of handles/pointers */
55#define GL11_IX_COLOR 1//0
56#define GL11_IX_NORMAL 2//1
57#define GL11_IX_VERTEX 0//2
58#define GL11_IX_TEXTURE_COORD 3
59#define GL11_IX_POINT_SIZE 7
60#define GL11_IX_MATRIX_WEIGHT 8
61#define GL11_IX_MATRIX_INDEX 9
62#define GL11_IX_MAX_ATTRIBS 10
63
64/* Special values passed to glintAttrib etc. instead of indices */
65#define GL11_IX_CLIENT_ACTIVE_TEXTURE 0x80000000
66
67static INLINE void gl20_attrib_init(GLXX_ATTRIB_T *attrib)
68{
69 uint32_t i;
70 for (i = 0; i < GLXX_CONFIG_MAX_VERTEX_ATTRIBS; i++)
71 {
72 attrib[i].enabled = GL_FALSE;
73 attrib[i].size = 4;
74 attrib[i].type = GL_FLOAT;
75 attrib[i].normalized = GL_FALSE;
76 attrib[i].stride = 0;
77 attrib[i].pointer = NULL;
78 attrib[i].buffer = 0;
79 attrib[i].value[0] = 0.0f;
80 attrib[i].value[1] = 0.0f;
81 attrib[i].value[2] = 0.0f;
82 attrib[i].value[3] = 1.0f;
83 }
84}
85
86static INLINE void gl11_attrib_init(GLXX_ATTRIB_T *attrib)
87{
88 int32_t i, indx;
89
90 gl20_attrib_init(attrib);
91
92 //vertex
93 attrib[GL11_IX_VERTEX].size = 4;
94 attrib[GL11_IX_VERTEX].normalized = GL_FALSE;
95 attrib[GL11_IX_VERTEX].value[0] = 0.0f;
96 attrib[GL11_IX_VERTEX].value[1] = 0.0f;
97 attrib[GL11_IX_VERTEX].value[2] = 0.0f;
98 attrib[GL11_IX_VERTEX].value[3] = 1.0f;
99
100 //color
101 attrib[GL11_IX_COLOR].size = 4;
102 attrib[GL11_IX_COLOR].normalized = GL_TRUE;
103 attrib[GL11_IX_COLOR].value[0] = 1.0f;
104 attrib[GL11_IX_COLOR].value[1] = 1.0f;
105 attrib[GL11_IX_COLOR].value[2] = 1.0f;
106 attrib[GL11_IX_COLOR].value[3] = 1.0f;
107
108 //normal
109 attrib[GL11_IX_NORMAL].size = 3;
110 attrib[GL11_IX_NORMAL].normalized = GL_TRUE;
111 attrib[GL11_IX_NORMAL].value[0] = 0.0f;
112 attrib[GL11_IX_NORMAL].value[1] = 0.0f;
113 attrib[GL11_IX_NORMAL].value[2] = 1.0f;
114
115 for (i = 0; i < GL11_CONFIG_MAX_TEXTURE_UNITS; i++) {
116 indx = GL11_IX_TEXTURE_COORD + i;
117 attrib[indx].size = 4;
118 attrib[indx].normalized = GL_FALSE;
119 attrib[indx].value[0] = 0.0f;
120 attrib[indx].value[1] = 0.0f;
121 attrib[indx].value[2] = 0.0f;
122 attrib[indx].value[3] = 1.0f;
123 }
124
125 //point size
126 attrib[GL11_IX_POINT_SIZE].size = 1;
127 attrib[GL11_IX_POINT_SIZE].normalized = GL_FALSE;
128 attrib[GL11_IX_POINT_SIZE].value[0] = 1.0f;
129}
130
131typedef struct
132{
133 uint32_t cache_offset; /* How far into the cache this attrib starts */
134 uint32_t has_interlock; /* (Boolean) Whether there is an interlock immediately before this attrib. */
135} GLXX_CACHE_INFO_ENTRY_T;
136
137typedef struct
138{
139 uint32_t send_any; /* True if we're sending any vertices. If false, remainder of structure is invalid. */
140 GLXX_CACHE_INFO_ENTRY_T entries[GLXX_CONFIG_MAX_VERTEX_ATTRIBS];
141} GLXX_CACHE_INFO_T;
142
143#endif
144