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1901 | serge | 1 | /************************************************************************** |
2 | |||
3 | Copyright 2002 Tungsten Graphics Inc., Cedar Park, Texas. |
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4 | |||
5 | All Rights Reserved. |
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6 | |||
7 | Permission is hereby granted, free of charge, to any person obtaining a |
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8 | copy of this software and associated documentation files (the "Software"), |
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9 | to deal in the Software without restriction, including without limitation |
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10 | on the rights to use, copy, modify, merge, publish, distribute, sub |
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11 | license, and/or sell copies of the Software, and to permit persons to whom |
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12 | the Software is furnished to do so, subject to the following conditions: |
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13 | |||
14 | The above copyright notice and this permission notice (including the next |
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15 | paragraph) shall be included in all copies or substantial portions of the |
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16 | Software. |
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17 | |||
18 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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19 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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20 | FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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21 | TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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22 | DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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23 | OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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24 | USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | |||
26 | **************************************************************************/ |
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27 | |||
28 | /* |
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29 | * Authors: |
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30 | * Keith Whitwell |
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31 | * |
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32 | */ |
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33 | |||
34 | #ifndef __VBO_EXEC_H__ |
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35 | #define __VBO_EXEC_H__ |
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36 | |||
37 | #include "main/mtypes.h" |
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38 | #include "vbo.h" |
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39 | #include "vbo_attrib.h" |
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40 | |||
41 | |||
42 | #define VBO_MAX_PRIM 64 |
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43 | |||
44 | /* Wierd implementation stuff: |
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45 | */ |
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46 | #define VBO_VERT_BUFFER_SIZE (1024*64) /* bytes */ |
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47 | #define VBO_MAX_ATTR_CODEGEN 16 |
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48 | #define ERROR_ATTRIB 16 |
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49 | |||
50 | |||
51 | /** Current vertex program mode */ |
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52 | enum vp_mode { |
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53 | VP_NONE, /**< fixed function */ |
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54 | VP_NV, /**< NV vertex program */ |
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55 | VP_ARB /**< ARB vertex program or GLSL vertex shader */ |
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56 | }; |
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57 | |||
58 | |||
59 | struct vbo_exec_eval1_map { |
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60 | struct gl_1d_map *map; |
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61 | GLuint sz; |
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62 | }; |
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63 | |||
64 | struct vbo_exec_eval2_map { |
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65 | struct gl_2d_map *map; |
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66 | GLuint sz; |
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67 | }; |
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68 | |||
69 | |||
70 | |||
71 | struct vbo_exec_copied_vtx { |
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72 | GLfloat buffer[VBO_ATTRIB_MAX * 4 * VBO_MAX_COPIED_VERTS]; |
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73 | GLuint nr; |
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74 | }; |
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75 | |||
76 | |||
77 | typedef void (*vbo_attrfv_func)( const GLfloat * ); |
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78 | |||
79 | |||
80 | struct vbo_exec_context |
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81 | { |
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82 | struct gl_context *ctx; |
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83 | GLvertexformat vtxfmt; |
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84 | |||
85 | struct { |
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86 | struct gl_buffer_object *bufferobj; |
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87 | |||
88 | GLuint vertex_size; /* in dwords */ |
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89 | |||
90 | struct _mesa_prim prim[VBO_MAX_PRIM]; |
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91 | GLuint prim_count; |
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92 | |||
93 | GLfloat *buffer_map; |
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94 | GLfloat *buffer_ptr; /* cursor, points into buffer */ |
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95 | GLuint buffer_used; /* in bytes */ |
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96 | GLfloat vertex[VBO_ATTRIB_MAX*4]; /* current vertex */ |
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97 | |||
98 | GLuint vert_count; |
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99 | GLuint max_vert; |
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100 | struct vbo_exec_copied_vtx copied; |
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101 | |||
102 | GLubyte attrsz[VBO_ATTRIB_MAX]; |
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103 | GLubyte active_sz[VBO_ATTRIB_MAX]; |
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104 | |||
105 | GLfloat *attrptr[VBO_ATTRIB_MAX]; |
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106 | struct gl_client_array arrays[VERT_ATTRIB_MAX]; |
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107 | |||
108 | /* According to program mode, the values above plus current |
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109 | * values are squashed down to the 32 attributes passed to the |
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110 | * vertex program below: |
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111 | */ |
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112 | enum vp_mode program_mode; |
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113 | GLuint enabled_flags; |
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114 | const struct gl_client_array *inputs[VERT_ATTRIB_MAX]; |
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115 | } vtx; |
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116 | |||
117 | |||
118 | struct { |
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119 | GLboolean recalculate_maps; |
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120 | struct vbo_exec_eval1_map map1[VERT_ATTRIB_MAX]; |
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121 | struct vbo_exec_eval2_map map2[VERT_ATTRIB_MAX]; |
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122 | } eval; |
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123 | |||
124 | struct { |
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125 | enum vp_mode program_mode; |
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126 | GLuint enabled_flags; |
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127 | GLuint array_obj; |
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128 | |||
129 | /* These just mirror the current arrayobj (todo: make arrayobj |
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130 | * look like this and remove the mirror): |
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131 | */ |
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132 | const struct gl_client_array *legacy_array[16]; |
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133 | const struct gl_client_array *generic_array[16]; |
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134 | |||
135 | /* Arrays and current values manipulated according to program |
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136 | * mode, etc. These are the attributes as seen by vertex |
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137 | * programs: |
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138 | */ |
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139 | const struct gl_client_array *inputs[VERT_ATTRIB_MAX]; |
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140 | } array; |
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141 | |||
142 | #ifdef DEBUG |
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143 | GLint flush_call_depth; |
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144 | #endif |
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145 | }; |
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146 | |||
147 | |||
148 | |||
149 | /* External API: |
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150 | */ |
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151 | void vbo_exec_init( struct gl_context *ctx ); |
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152 | void vbo_exec_destroy( struct gl_context *ctx ); |
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153 | void vbo_exec_invalidate_state( struct gl_context *ctx, GLuint new_state ); |
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154 | void vbo_exec_FlushVertices_internal( struct gl_context *ctx, GLboolean unmap ); |
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155 | |||
156 | void vbo_exec_BeginVertices( struct gl_context *ctx ); |
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157 | void vbo_exec_FlushVertices( struct gl_context *ctx, GLuint flags ); |
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158 | |||
159 | |||
160 | /* Internal functions: |
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161 | */ |
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162 | void vbo_exec_array_init( struct vbo_exec_context *exec ); |
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163 | void vbo_exec_array_destroy( struct vbo_exec_context *exec ); |
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164 | |||
165 | |||
166 | void vbo_exec_vtx_init( struct vbo_exec_context *exec ); |
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167 | void vbo_exec_vtx_destroy( struct vbo_exec_context *exec ); |
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168 | |||
169 | #if FEATURE_beginend |
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170 | |||
171 | void vbo_exec_vtx_flush( struct vbo_exec_context *exec, GLboolean unmap ); |
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172 | void vbo_exec_vtx_map( struct vbo_exec_context *exec ); |
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173 | |||
174 | #else /* FEATURE_beginend */ |
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175 | |||
176 | static INLINE void |
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177 | vbo_exec_vtx_flush( struct vbo_exec_context *exec, GLboolean unmap ) |
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178 | { |
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179 | } |
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180 | |||
181 | static INLINE void |
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182 | vbo_exec_vtx_map( struct vbo_exec_context *exec ) |
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183 | { |
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184 | } |
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185 | |||
186 | #endif /* FEATURE_beginend */ |
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187 | |||
188 | void vbo_exec_vtx_wrap( struct vbo_exec_context *exec ); |
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189 | |||
190 | void vbo_exec_eval_update( struct vbo_exec_context *exec ); |
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191 | |||
192 | void vbo_exec_do_EvalCoord2f( struct vbo_exec_context *exec, |
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193 | GLfloat u, GLfloat v ); |
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194 | |||
195 | void vbo_exec_do_EvalCoord1f( struct vbo_exec_context *exec, |
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196 | GLfloat u); |
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197 | |||
198 | #endif>>> |