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1901 | serge | 1 | /* |
2 | * Mesa 3-D graphics library |
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3 | * Version: 7.0 |
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4 | * |
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5 | * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. |
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6 | * |
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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 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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11 | * and/or sell copies of the Software, and to permit persons to whom the |
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12 | * Software is furnished to do so, subject to the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice shall be included |
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15 | * in all copies or substantial portions of the Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |||
25 | /** |
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26 | * \file arbprogram.c |
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27 | * ARB_vertex/fragment_program state management functions. |
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28 | * \author Brian Paul |
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29 | */ |
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30 | |||
31 | |||
32 | #include "main/glheader.h" |
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33 | #include "main/context.h" |
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34 | #include "main/hash.h" |
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35 | #include "main/imports.h" |
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36 | #include "main/macros.h" |
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37 | #include "main/mtypes.h" |
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38 | #include "main/arbprogram.h" |
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39 | #include "program/arbprogparse.h" |
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40 | #include "program/nvfragparse.h" |
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41 | #include "program/nvvertparse.h" |
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42 | #include "program/program.h" |
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43 | |||
44 | |||
45 | |||
46 | /** |
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47 | * Mixing ARB and NV vertex/fragment programs can be tricky. |
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48 | * Note: GL_VERTEX_PROGRAM_ARB == GL_VERTEX_PROGRAM_NV |
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49 | * but, GL_FRAGMENT_PROGRAM_ARB != GL_FRAGMENT_PROGRAM_NV |
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50 | * The two different fragment program targets are supposed to be compatible |
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51 | * to some extent (see GL_ARB_fragment_program spec). |
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52 | * This function does the compatibility check. |
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53 | */ |
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54 | static GLboolean |
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55 | compatible_program_targets(GLenum t1, GLenum t2) |
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56 | { |
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57 | if (t1 == t2) |
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58 | return GL_TRUE; |
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59 | if (t1 == GL_FRAGMENT_PROGRAM_ARB && t2 == GL_FRAGMENT_PROGRAM_NV) |
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60 | return GL_TRUE; |
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61 | if (t1 == GL_FRAGMENT_PROGRAM_NV && t2 == GL_FRAGMENT_PROGRAM_ARB) |
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62 | return GL_TRUE; |
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63 | return GL_FALSE; |
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64 | } |
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65 | |||
66 | |||
67 | /** |
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68 | * Bind a program (make it current) |
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69 | * \note Called from the GL API dispatcher by both glBindProgramNV |
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70 | * and glBindProgramARB. |
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71 | */ |
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72 | void GLAPIENTRY |
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73 | _mesa_BindProgram(GLenum target, GLuint id) |
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74 | { |
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75 | struct gl_program *curProg, *newProg; |
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76 | GET_CURRENT_CONTEXT(ctx); |
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77 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
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78 | |||
79 | /* Error-check target and get curProg */ |
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80 | if ((target == GL_VERTEX_PROGRAM_ARB) && /* == GL_VERTEX_PROGRAM_NV */ |
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81 | (ctx->Extensions.NV_vertex_program || |
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82 | ctx->Extensions.ARB_vertex_program)) { |
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83 | curProg = &ctx->VertexProgram.Current->Base; |
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84 | } |
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85 | else if ((target == GL_FRAGMENT_PROGRAM_NV |
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86 | && ctx->Extensions.NV_fragment_program) || |
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87 | (target == GL_FRAGMENT_PROGRAM_ARB |
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88 | && ctx->Extensions.ARB_fragment_program)) { |
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89 | curProg = &ctx->FragmentProgram.Current->Base; |
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90 | } |
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91 | else { |
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92 | _mesa_error(ctx, GL_INVALID_ENUM, "glBindProgramNV/ARB(target)"); |
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93 | return; |
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94 | } |
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95 | |||
96 | /* |
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97 | * Get pointer to new program to bind. |
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98 | * NOTE: binding to a non-existant program is not an error. |
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99 | * That's supposed to be caught in glBegin. |
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100 | */ |
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101 | if (id == 0) { |
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102 | /* Bind a default program */ |
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103 | newProg = NULL; |
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104 | if (target == GL_VERTEX_PROGRAM_ARB) /* == GL_VERTEX_PROGRAM_NV */ |
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105 | newProg = &ctx->Shared->DefaultVertexProgram->Base; |
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106 | else |
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107 | newProg = &ctx->Shared->DefaultFragmentProgram->Base; |
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108 | } |
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109 | else { |
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110 | /* Bind a user program */ |
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111 | newProg = _mesa_lookup_program(ctx, id); |
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112 | if (!newProg || newProg == &_mesa_DummyProgram) { |
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113 | /* allocate a new program now */ |
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114 | newProg = ctx->Driver.NewProgram(ctx, target, id); |
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115 | if (!newProg) { |
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116 | _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindProgramNV/ARB"); |
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117 | return; |
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118 | } |
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119 | _mesa_HashInsert(ctx->Shared->Programs, id, newProg); |
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120 | } |
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121 | else if (!compatible_program_targets(newProg->Target, target)) { |
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122 | _mesa_error(ctx, GL_INVALID_OPERATION, |
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123 | "glBindProgramNV/ARB(target mismatch)"); |
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124 | return; |
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125 | } |
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126 | } |
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127 | |||
128 | /** All error checking is complete now **/ |
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129 | |||
130 | if (curProg->Id == id) { |
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131 | /* binding same program - no change */ |
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132 | return; |
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133 | } |
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134 | |||
135 | /* signal new program (and its new constants) */ |
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136 | FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); |
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137 | |||
138 | /* bind newProg */ |
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139 | if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */ |
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140 | _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, |
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141 | (struct gl_vertex_program *) newProg); |
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142 | } |
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143 | else if (target == GL_FRAGMENT_PROGRAM_NV || |
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144 | target == GL_FRAGMENT_PROGRAM_ARB) { |
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145 | _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, |
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146 | (struct gl_fragment_program *) newProg); |
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147 | } |
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148 | |||
149 | /* Never null pointers */ |
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150 | ASSERT(ctx->VertexProgram.Current); |
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151 | ASSERT(ctx->FragmentProgram.Current); |
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152 | |||
153 | if (ctx->Driver.BindProgram) |
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154 | ctx->Driver.BindProgram(ctx, target, newProg); |
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155 | } |
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156 | |||
157 | |||
158 | /** |
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159 | * Delete a list of programs. |
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160 | * \note Not compiled into display lists. |
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161 | * \note Called by both glDeleteProgramsNV and glDeleteProgramsARB. |
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162 | */ |
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163 | void GLAPIENTRY |
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164 | _mesa_DeletePrograms(GLsizei n, const GLuint *ids) |
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165 | { |
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166 | GLint i; |
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167 | GET_CURRENT_CONTEXT(ctx); |
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168 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
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169 | |||
170 | if (n < 0) { |
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171 | _mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" ); |
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172 | return; |
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173 | } |
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174 | |||
175 | for (i = 0; i < n; i++) { |
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176 | if (ids[i] != 0) { |
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177 | struct gl_program *prog = _mesa_lookup_program(ctx, ids[i]); |
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178 | if (prog == &_mesa_DummyProgram) { |
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179 | _mesa_HashRemove(ctx->Shared->Programs, ids[i]); |
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180 | } |
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181 | else if (prog) { |
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182 | /* Unbind program if necessary */ |
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183 | switch (prog->Target) { |
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184 | case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */ |
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185 | case GL_VERTEX_STATE_PROGRAM_NV: |
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186 | if (ctx->VertexProgram.Current && |
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187 | ctx->VertexProgram.Current->Base.Id == ids[i]) { |
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188 | /* unbind this currently bound program */ |
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189 | _mesa_BindProgram(prog->Target, 0); |
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190 | } |
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191 | break; |
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192 | case GL_FRAGMENT_PROGRAM_NV: |
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193 | case GL_FRAGMENT_PROGRAM_ARB: |
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194 | if (ctx->FragmentProgram.Current && |
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195 | ctx->FragmentProgram.Current->Base.Id == ids[i]) { |
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196 | /* unbind this currently bound program */ |
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197 | _mesa_BindProgram(prog->Target, 0); |
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198 | } |
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199 | break; |
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200 | default: |
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201 | _mesa_problem(ctx, "bad target in glDeleteProgramsNV"); |
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202 | return; |
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203 | } |
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204 | /* The ID is immediately available for re-use now */ |
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205 | _mesa_HashRemove(ctx->Shared->Programs, ids[i]); |
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206 | _mesa_reference_program(ctx, &prog, NULL); |
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207 | } |
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208 | } |
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209 | } |
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210 | } |
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211 | |||
212 | |||
213 | /** |
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214 | * Generate a list of new program identifiers. |
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215 | * \note Not compiled into display lists. |
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216 | * \note Called by both glGenProgramsNV and glGenProgramsARB. |
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217 | */ |
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218 | void GLAPIENTRY |
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219 | _mesa_GenPrograms(GLsizei n, GLuint *ids) |
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220 | { |
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221 | GLuint first; |
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222 | GLuint i; |
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223 | GET_CURRENT_CONTEXT(ctx); |
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224 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
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225 | |||
226 | if (n < 0) { |
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227 | _mesa_error(ctx, GL_INVALID_VALUE, "glGenPrograms"); |
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228 | return; |
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229 | } |
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230 | |||
231 | if (!ids) |
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232 | return; |
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233 | |||
234 | first = _mesa_HashFindFreeKeyBlock(ctx->Shared->Programs, n); |
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235 | |||
236 | /* Insert pointer to dummy program as placeholder */ |
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237 | for (i = 0; i < (GLuint) n; i++) { |
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238 | _mesa_HashInsert(ctx->Shared->Programs, first + i, &_mesa_DummyProgram); |
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239 | } |
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240 | |||
241 | /* Return the program names */ |
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242 | for (i = 0; i < (GLuint) n; i++) { |
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243 | ids[i] = first + i; |
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244 | } |
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245 | } |
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246 | |||
247 | |||
248 | /** |
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249 | * Determine if id names a vertex or fragment program. |
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250 | * \note Not compiled into display lists. |
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251 | * \note Called from both glIsProgramNV and glIsProgramARB. |
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252 | * \param id is the program identifier |
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253 | * \return GL_TRUE if id is a program, else GL_FALSE. |
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254 | */ |
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255 | GLboolean GLAPIENTRY |
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256 | _mesa_IsProgramARB(GLuint id) |
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257 | { |
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258 | struct gl_program *prog = NULL; |
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259 | GET_CURRENT_CONTEXT(ctx); |
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260 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); |
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261 | |||
262 | if (id == 0) |
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263 | return GL_FALSE; |
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264 | |||
265 | prog = _mesa_lookup_program(ctx, id); |
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266 | if (prog && (prog != &_mesa_DummyProgram)) |
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267 | return GL_TRUE; |
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268 | else |
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269 | return GL_FALSE; |
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270 | } |
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271 | |||
272 | |||
273 | void GLAPIENTRY |
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274 | _mesa_ProgramStringARB(GLenum target, GLenum format, GLsizei len, |
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275 | const GLvoid *string) |
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276 | { |
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277 | struct gl_program *base; |
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278 | GET_CURRENT_CONTEXT(ctx); |
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279 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
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280 | |||
281 | FLUSH_VERTICES(ctx, _NEW_PROGRAM); |
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282 | |||
283 | if (!ctx->Extensions.ARB_vertex_program |
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284 | && !ctx->Extensions.ARB_fragment_program) { |
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285 | _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramStringARB()"); |
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286 | return; |
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287 | } |
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288 | |||
289 | if (format != GL_PROGRAM_FORMAT_ASCII_ARB) { |
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290 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(format)"); |
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291 | return; |
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292 | } |
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293 | |||
294 | /* The first couple cases are complicated. The same enum value is used for |
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295 | * ARB and NV vertex programs. If the target is a vertex program, parse it |
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296 | * using the ARB grammar if the string starts with "!!ARB" or if |
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297 | * NV_vertex_program is not supported. |
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298 | */ |
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299 | if (target == GL_VERTEX_PROGRAM_ARB |
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300 | && ctx->Extensions.ARB_vertex_program |
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301 | && ((strncmp(string, "!!ARB", 5) == 0) |
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302 | || !ctx->Extensions.NV_vertex_program)) { |
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303 | struct gl_vertex_program *prog = ctx->VertexProgram.Current; |
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304 | _mesa_parse_arb_vertex_program(ctx, target, string, len, prog); |
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305 | |||
306 | base = & prog->Base; |
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307 | } |
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308 | else if ((target == GL_VERTEX_PROGRAM_ARB |
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309 | || target == GL_VERTEX_STATE_PROGRAM_NV) |
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310 | && ctx->Extensions.NV_vertex_program) { |
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311 | struct gl_vertex_program *prog = ctx->VertexProgram.Current; |
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312 | _mesa_parse_nv_vertex_program(ctx, target, string, len, prog); |
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313 | |||
314 | base = & prog->Base; |
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315 | } |
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316 | else if (target == GL_FRAGMENT_PROGRAM_ARB |
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317 | && ctx->Extensions.ARB_fragment_program) { |
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318 | struct gl_fragment_program *prog = ctx->FragmentProgram.Current; |
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319 | _mesa_parse_arb_fragment_program(ctx, target, string, len, prog); |
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320 | |||
321 | base = & prog->Base; |
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322 | } |
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323 | else if (target == GL_FRAGMENT_PROGRAM_NV |
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324 | && ctx->Extensions.NV_fragment_program) { |
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325 | struct gl_fragment_program *prog = ctx->FragmentProgram.Current; |
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326 | _mesa_parse_nv_fragment_program(ctx, target, string, len, prog); |
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327 | |||
328 | base = & prog->Base; |
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329 | } |
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330 | else { |
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331 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(target)"); |
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332 | return; |
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333 | } |
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334 | |||
335 | if (ctx->Program.ErrorPos == -1) { |
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336 | /* finally, give the program to the driver for translation/checking */ |
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337 | if (!ctx->Driver.ProgramStringNotify(ctx, target, base)) { |
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338 | _mesa_error(ctx, GL_INVALID_OPERATION, |
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339 | "glProgramStringARB(rejected by driver"); |
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340 | } |
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341 | } |
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342 | } |
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343 | |||
344 | |||
345 | /** |
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346 | * Set a program env parameter register. |
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347 | * \note Called from the GL API dispatcher. |
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348 | * Note, this function is also used by the GL_NV_vertex_program extension |
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349 | * (alias to ProgramParameterdNV) |
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350 | */ |
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351 | void GLAPIENTRY |
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352 | _mesa_ProgramEnvParameter4dARB(GLenum target, GLuint index, |
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353 | GLdouble x, GLdouble y, GLdouble z, GLdouble w) |
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354 | { |
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355 | _mesa_ProgramEnvParameter4fARB(target, index, (GLfloat) x, (GLfloat) y, |
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356 | (GLfloat) z, (GLfloat) w); |
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357 | } |
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358 | |||
359 | |||
360 | /** |
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361 | * Set a program env parameter register. |
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362 | * \note Called from the GL API dispatcher. |
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363 | * Note, this function is also used by the GL_NV_vertex_program extension |
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364 | * (alias to ProgramParameterdvNV) |
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365 | */ |
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366 | void GLAPIENTRY |
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367 | _mesa_ProgramEnvParameter4dvARB(GLenum target, GLuint index, |
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368 | const GLdouble *params) |
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369 | { |
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370 | _mesa_ProgramEnvParameter4fARB(target, index, (GLfloat) params[0], |
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371 | (GLfloat) params[1], (GLfloat) params[2], |
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372 | (GLfloat) params[3]); |
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373 | } |
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374 | |||
375 | |||
376 | /** |
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377 | * Set a program env parameter register. |
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378 | * \note Called from the GL API dispatcher. |
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379 | * Note, this function is also used by the GL_NV_vertex_program extension |
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380 | * (alias to ProgramParameterfNV) |
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381 | */ |
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382 | void GLAPIENTRY |
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383 | _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index, |
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384 | GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
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385 | { |
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386 | GET_CURRENT_CONTEXT(ctx); |
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387 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
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388 | |||
389 | FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); |
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390 | |||
391 | if (target == GL_FRAGMENT_PROGRAM_ARB |
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392 | && ctx->Extensions.ARB_fragment_program) { |
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393 | if (index >= ctx->Const.FragmentProgram.MaxEnvParams) { |
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394 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)"); |
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395 | return; |
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396 | } |
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397 | ASSIGN_4V(ctx->FragmentProgram.Parameters[index], x, y, z, w); |
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398 | } |
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399 | else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */ |
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400 | && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) { |
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401 | if (index >= ctx->Const.VertexProgram.MaxEnvParams) { |
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402 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)"); |
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403 | return; |
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404 | } |
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405 | ASSIGN_4V(ctx->VertexProgram.Parameters[index], x, y, z, w); |
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406 | } |
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407 | else { |
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408 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameter(target)"); |
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409 | return; |
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410 | } |
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411 | } |
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412 | |||
413 | |||
414 | |||
415 | /** |
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416 | * Set a program env parameter register. |
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417 | * \note Called from the GL API dispatcher. |
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418 | * Note, this function is also used by the GL_NV_vertex_program extension |
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419 | * (alias to ProgramParameterfvNV) |
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420 | */ |
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421 | void GLAPIENTRY |
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422 | _mesa_ProgramEnvParameter4fvARB(GLenum target, GLuint index, |
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423 | const GLfloat *params) |
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424 | { |
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425 | GET_CURRENT_CONTEXT(ctx); |
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426 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
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427 | |||
428 | FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); |
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429 | |||
430 | if (target == GL_FRAGMENT_PROGRAM_ARB |
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431 | && ctx->Extensions.ARB_fragment_program) { |
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432 | if (index >= ctx->Const.FragmentProgram.MaxEnvParams) { |
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433 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter4fv(index)"); |
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434 | return; |
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435 | } |
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436 | memcpy(ctx->FragmentProgram.Parameters[index], params, |
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437 | 4 * sizeof(GLfloat)); |
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438 | } |
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439 | else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */ |
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440 | && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) { |
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441 | if (index >= ctx->Const.VertexProgram.MaxEnvParams) { |
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442 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter4fv(index)"); |
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443 | return; |
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444 | } |
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445 | memcpy(ctx->VertexProgram.Parameters[index], params, |
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446 | 4 * sizeof(GLfloat)); |
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447 | } |
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448 | else { |
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449 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameter4fv(target)"); |
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450 | return; |
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451 | } |
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452 | } |
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453 | |||
454 | |||
455 | void GLAPIENTRY |
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456 | _mesa_ProgramEnvParameters4fvEXT(GLenum target, GLuint index, GLsizei count, |
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457 | const GLfloat *params) |
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458 | { |
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459 | GET_CURRENT_CONTEXT(ctx); |
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460 | GLfloat * dest; |
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461 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
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462 | |||
463 | FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); |
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464 | |||
465 | if (count <= 0) { |
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466 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(count)"); |
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467 | } |
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468 | |||
469 | if (target == GL_FRAGMENT_PROGRAM_ARB |
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470 | && ctx->Extensions.ARB_fragment_program) { |
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471 | if ((index + count) > ctx->Const.FragmentProgram.MaxEnvParams) { |
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472 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(index + count)"); |
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473 | return; |
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474 | } |
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475 | dest = ctx->FragmentProgram.Parameters[index]; |
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476 | } |
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477 | else if (target == GL_VERTEX_PROGRAM_ARB |
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478 | && ctx->Extensions.ARB_vertex_program) { |
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479 | if ((index + count) > ctx->Const.VertexProgram.MaxEnvParams) { |
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480 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(index + count)"); |
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481 | return; |
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482 | } |
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483 | dest = ctx->VertexProgram.Parameters[index]; |
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484 | } |
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485 | else { |
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486 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameters4fv(target)"); |
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487 | return; |
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488 | } |
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489 | |||
490 | memcpy(dest, params, count * 4 * sizeof(GLfloat)); |
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491 | } |
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492 | |||
493 | |||
494 | void GLAPIENTRY |
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495 | _mesa_GetProgramEnvParameterdvARB(GLenum target, GLuint index, |
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496 | GLdouble *params) |
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497 | { |
||
498 | GET_CURRENT_CONTEXT(ctx); |
||
499 | GLfloat fparams[4]; |
||
500 | |||
501 | _mesa_GetProgramEnvParameterfvARB(target, index, fparams); |
||
502 | if (ctx->ErrorValue == GL_NO_ERROR) { |
||
503 | params[0] = fparams[0]; |
||
504 | params[1] = fparams[1]; |
||
505 | params[2] = fparams[2]; |
||
506 | params[3] = fparams[3]; |
||
507 | } |
||
508 | } |
||
509 | |||
510 | |||
511 | void GLAPIENTRY |
||
512 | _mesa_GetProgramEnvParameterfvARB(GLenum target, GLuint index, |
||
513 | GLfloat *params) |
||
514 | { |
||
515 | GET_CURRENT_CONTEXT(ctx); |
||
516 | |||
517 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
518 | |||
519 | if (target == GL_FRAGMENT_PROGRAM_ARB |
||
520 | && ctx->Extensions.ARB_fragment_program) { |
||
521 | if (index >= ctx->Const.FragmentProgram.MaxEnvParams) { |
||
522 | _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramEnvParameter(index)"); |
||
523 | return; |
||
524 | } |
||
525 | COPY_4V(params, ctx->FragmentProgram.Parameters[index]); |
||
526 | } |
||
527 | else if (target == GL_VERTEX_PROGRAM_ARB |
||
528 | && ctx->Extensions.ARB_vertex_program) { |
||
529 | if (index >= ctx->Const.VertexProgram.MaxEnvParams) { |
||
530 | _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramEnvParameter(index)"); |
||
531 | return; |
||
532 | } |
||
533 | COPY_4V(params, ctx->VertexProgram.Parameters[index]); |
||
534 | } |
||
535 | else { |
||
536 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramEnvParameter(target)"); |
||
537 | return; |
||
538 | } |
||
539 | } |
||
540 | |||
541 | |||
542 | /** |
||
543 | * Note, this function is also used by the GL_NV_fragment_program extension. |
||
544 | */ |
||
545 | void GLAPIENTRY |
||
546 | _mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index, |
||
547 | GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
||
548 | { |
||
549 | GET_CURRENT_CONTEXT(ctx); |
||
550 | struct gl_program *prog; |
||
551 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
552 | |||
553 | FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); |
||
554 | |||
555 | if ((target == GL_FRAGMENT_PROGRAM_NV |
||
556 | && ctx->Extensions.NV_fragment_program) || |
||
557 | (target == GL_FRAGMENT_PROGRAM_ARB |
||
558 | && ctx->Extensions.ARB_fragment_program)) { |
||
559 | if (index >= ctx->Const.FragmentProgram.MaxLocalParams) { |
||
560 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB"); |
||
561 | return; |
||
562 | } |
||
563 | prog = &(ctx->FragmentProgram.Current->Base); |
||
564 | } |
||
565 | else if (target == GL_VERTEX_PROGRAM_ARB |
||
566 | && ctx->Extensions.ARB_vertex_program) { |
||
567 | if (index >= ctx->Const.VertexProgram.MaxLocalParams) { |
||
568 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB"); |
||
569 | return; |
||
570 | } |
||
571 | prog = &(ctx->VertexProgram.Current->Base); |
||
572 | } |
||
573 | else { |
||
574 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameterARB"); |
||
575 | return; |
||
576 | } |
||
577 | |||
578 | ASSERT(index < MAX_PROGRAM_LOCAL_PARAMS); |
||
579 | prog->LocalParams[index][0] = x; |
||
580 | prog->LocalParams[index][1] = y; |
||
581 | prog->LocalParams[index][2] = z; |
||
582 | prog->LocalParams[index][3] = w; |
||
583 | } |
||
584 | |||
585 | |||
586 | /** |
||
587 | * Note, this function is also used by the GL_NV_fragment_program extension. |
||
588 | */ |
||
589 | void GLAPIENTRY |
||
590 | _mesa_ProgramLocalParameter4fvARB(GLenum target, GLuint index, |
||
591 | const GLfloat *params) |
||
592 | { |
||
593 | _mesa_ProgramLocalParameter4fARB(target, index, params[0], params[1], |
||
594 | params[2], params[3]); |
||
595 | } |
||
596 | |||
597 | |||
598 | void GLAPIENTRY |
||
599 | _mesa_ProgramLocalParameters4fvEXT(GLenum target, GLuint index, GLsizei count, |
||
600 | const GLfloat *params) |
||
601 | { |
||
602 | GET_CURRENT_CONTEXT(ctx); |
||
603 | GLfloat *dest; |
||
604 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
605 | |||
606 | FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); |
||
607 | |||
608 | if (count <= 0) { |
||
609 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fv(count)"); |
||
610 | } |
||
611 | |||
612 | if (target == GL_FRAGMENT_PROGRAM_ARB |
||
613 | && ctx->Extensions.ARB_fragment_program) { |
||
614 | if ((index + count) > ctx->Const.FragmentProgram.MaxLocalParams) { |
||
615 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fvEXT(index + count)"); |
||
616 | return; |
||
617 | } |
||
618 | dest = ctx->FragmentProgram.Current->Base.LocalParams[index]; |
||
619 | } |
||
620 | else if (target == GL_VERTEX_PROGRAM_ARB |
||
621 | && ctx->Extensions.ARB_vertex_program) { |
||
622 | if ((index + count) > ctx->Const.VertexProgram.MaxLocalParams) { |
||
623 | _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fvEXT(index + count)"); |
||
624 | return; |
||
625 | } |
||
626 | dest = ctx->VertexProgram.Current->Base.LocalParams[index]; |
||
627 | } |
||
628 | else { |
||
629 | _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameters4fvEXT(target)"); |
||
630 | return; |
||
631 | } |
||
632 | |||
633 | memcpy(dest, params, count * 4 * sizeof(GLfloat)); |
||
634 | } |
||
635 | |||
636 | |||
637 | /** |
||
638 | * Note, this function is also used by the GL_NV_fragment_program extension. |
||
639 | */ |
||
640 | void GLAPIENTRY |
||
641 | _mesa_ProgramLocalParameter4dARB(GLenum target, GLuint index, |
||
642 | GLdouble x, GLdouble y, |
||
643 | GLdouble z, GLdouble w) |
||
644 | { |
||
645 | _mesa_ProgramLocalParameter4fARB(target, index, (GLfloat) x, (GLfloat) y, |
||
646 | (GLfloat) z, (GLfloat) w); |
||
647 | } |
||
648 | |||
649 | |||
650 | /** |
||
651 | * Note, this function is also used by the GL_NV_fragment_program extension. |
||
652 | */ |
||
653 | void GLAPIENTRY |
||
654 | _mesa_ProgramLocalParameter4dvARB(GLenum target, GLuint index, |
||
655 | const GLdouble *params) |
||
656 | { |
||
657 | _mesa_ProgramLocalParameter4fARB(target, index, |
||
658 | (GLfloat) params[0], (GLfloat) params[1], |
||
659 | (GLfloat) params[2], (GLfloat) params[3]); |
||
660 | } |
||
661 | |||
662 | |||
663 | /** |
||
664 | * Note, this function is also used by the GL_NV_fragment_program extension. |
||
665 | */ |
||
666 | void GLAPIENTRY |
||
667 | _mesa_GetProgramLocalParameterfvARB(GLenum target, GLuint index, |
||
668 | GLfloat *params) |
||
669 | { |
||
670 | const struct gl_program *prog; |
||
671 | GLuint maxParams; |
||
672 | GET_CURRENT_CONTEXT(ctx); |
||
673 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
674 | |||
675 | if (target == GL_VERTEX_PROGRAM_ARB |
||
676 | && ctx->Extensions.ARB_vertex_program) { |
||
677 | prog = &(ctx->VertexProgram.Current->Base); |
||
678 | maxParams = ctx->Const.VertexProgram.MaxLocalParams; |
||
679 | } |
||
680 | else if (target == GL_FRAGMENT_PROGRAM_ARB |
||
681 | && ctx->Extensions.ARB_fragment_program) { |
||
682 | prog = &(ctx->FragmentProgram.Current->Base); |
||
683 | maxParams = ctx->Const.FragmentProgram.MaxLocalParams; |
||
684 | } |
||
685 | else if (target == GL_FRAGMENT_PROGRAM_NV |
||
686 | && ctx->Extensions.NV_fragment_program) { |
||
687 | prog = &(ctx->FragmentProgram.Current->Base); |
||
688 | maxParams = MAX_NV_FRAGMENT_PROGRAM_PARAMS; |
||
689 | } |
||
690 | else { |
||
691 | _mesa_error(ctx, GL_INVALID_ENUM, |
||
692 | "glGetProgramLocalParameterARB(target)"); |
||
693 | return; |
||
694 | } |
||
695 | |||
696 | if (index >= maxParams) { |
||
697 | _mesa_error(ctx, GL_INVALID_VALUE, |
||
698 | "glGetProgramLocalParameterARB(index)"); |
||
699 | return; |
||
700 | } |
||
701 | |||
702 | ASSERT(prog); |
||
703 | ASSERT(index < MAX_PROGRAM_LOCAL_PARAMS); |
||
704 | COPY_4V(params, prog->LocalParams[index]); |
||
705 | } |
||
706 | |||
707 | |||
708 | /** |
||
709 | * Note, this function is also used by the GL_NV_fragment_program extension. |
||
710 | */ |
||
711 | void GLAPIENTRY |
||
712 | _mesa_GetProgramLocalParameterdvARB(GLenum target, GLuint index, |
||
713 | GLdouble *params) |
||
714 | { |
||
715 | GET_CURRENT_CONTEXT(ctx); |
||
716 | GLfloat floatParams[4]; |
||
717 | ASSIGN_4V(floatParams, 0.0F, 0.0F, 0.0F, 0.0F); |
||
718 | _mesa_GetProgramLocalParameterfvARB(target, index, floatParams); |
||
719 | if (ctx->ErrorValue == GL_NO_ERROR) { |
||
720 | COPY_4V(params, floatParams); |
||
721 | } |
||
722 | } |
||
723 | |||
724 | |||
725 | void GLAPIENTRY |
||
726 | _mesa_GetProgramivARB(GLenum target, GLenum pname, GLint *params) |
||
727 | { |
||
728 | const struct gl_program_constants *limits; |
||
729 | struct gl_program *prog; |
||
730 | GET_CURRENT_CONTEXT(ctx); |
||
731 | |||
732 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
733 | |||
734 | if (target == GL_VERTEX_PROGRAM_ARB |
||
735 | && ctx->Extensions.ARB_vertex_program) { |
||
736 | prog = &(ctx->VertexProgram.Current->Base); |
||
737 | limits = &ctx->Const.VertexProgram; |
||
738 | } |
||
739 | else if (target == GL_FRAGMENT_PROGRAM_ARB |
||
740 | && ctx->Extensions.ARB_fragment_program) { |
||
741 | prog = &(ctx->FragmentProgram.Current->Base); |
||
742 | limits = &ctx->Const.FragmentProgram; |
||
743 | } |
||
744 | else { |
||
745 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)"); |
||
746 | return; |
||
747 | } |
||
748 | |||
749 | ASSERT(prog); |
||
750 | ASSERT(limits); |
||
751 | |||
752 | /* Queries supported for both vertex and fragment programs */ |
||
753 | switch (pname) { |
||
754 | case GL_PROGRAM_LENGTH_ARB: |
||
755 | *params |
||
756 | = prog->String ? (GLint) strlen((char *) prog->String) : 0; |
||
757 | return; |
||
758 | case GL_PROGRAM_FORMAT_ARB: |
||
759 | *params = prog->Format; |
||
760 | return; |
||
761 | case GL_PROGRAM_BINDING_ARB: |
||
762 | *params = prog->Id; |
||
763 | return; |
||
764 | case GL_PROGRAM_INSTRUCTIONS_ARB: |
||
765 | *params = prog->NumInstructions; |
||
766 | return; |
||
767 | case GL_MAX_PROGRAM_INSTRUCTIONS_ARB: |
||
768 | *params = limits->MaxInstructions; |
||
769 | return; |
||
770 | case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB: |
||
771 | *params = prog->NumNativeInstructions; |
||
772 | return; |
||
773 | case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB: |
||
774 | *params = limits->MaxNativeInstructions; |
||
775 | return; |
||
776 | case GL_PROGRAM_TEMPORARIES_ARB: |
||
777 | *params = prog->NumTemporaries; |
||
778 | return; |
||
779 | case GL_MAX_PROGRAM_TEMPORARIES_ARB: |
||
780 | *params = limits->MaxTemps; |
||
781 | return; |
||
782 | case GL_PROGRAM_NATIVE_TEMPORARIES_ARB: |
||
783 | *params = prog->NumNativeTemporaries; |
||
784 | return; |
||
785 | case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB: |
||
786 | *params = limits->MaxNativeTemps; |
||
787 | return; |
||
788 | case GL_PROGRAM_PARAMETERS_ARB: |
||
789 | *params = prog->NumParameters; |
||
790 | return; |
||
791 | case GL_MAX_PROGRAM_PARAMETERS_ARB: |
||
792 | *params = limits->MaxParameters; |
||
793 | return; |
||
794 | case GL_PROGRAM_NATIVE_PARAMETERS_ARB: |
||
795 | *params = prog->NumNativeParameters; |
||
796 | return; |
||
797 | case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB: |
||
798 | *params = limits->MaxNativeParameters; |
||
799 | return; |
||
800 | case GL_PROGRAM_ATTRIBS_ARB: |
||
801 | *params = prog->NumAttributes; |
||
802 | return; |
||
803 | case GL_MAX_PROGRAM_ATTRIBS_ARB: |
||
804 | *params = limits->MaxAttribs; |
||
805 | return; |
||
806 | case GL_PROGRAM_NATIVE_ATTRIBS_ARB: |
||
807 | *params = prog->NumNativeAttributes; |
||
808 | return; |
||
809 | case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB: |
||
810 | *params = limits->MaxNativeAttribs; |
||
811 | return; |
||
812 | case GL_PROGRAM_ADDRESS_REGISTERS_ARB: |
||
813 | *params = prog->NumAddressRegs; |
||
814 | return; |
||
815 | case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB: |
||
816 | *params = limits->MaxAddressRegs; |
||
817 | return; |
||
818 | case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB: |
||
819 | *params = prog->NumNativeAddressRegs; |
||
820 | return; |
||
821 | case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB: |
||
822 | *params = limits->MaxNativeAddressRegs; |
||
823 | return; |
||
824 | case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB: |
||
825 | *params = limits->MaxLocalParams; |
||
826 | return; |
||
827 | case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB: |
||
828 | *params = limits->MaxEnvParams; |
||
829 | return; |
||
830 | case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB: |
||
831 | /* |
||
832 | * XXX we may not really need a driver callback here. |
||
833 | * If the number of native instructions, registers, etc. used |
||
834 | * are all below the maximums, we could return true. |
||
835 | * The spec says that even if this query returns true, there's |
||
836 | * no guarantee that the program will run in hardware. |
||
837 | */ |
||
838 | if (prog->Id == 0) { |
||
839 | /* default/null program */ |
||
840 | *params = GL_FALSE; |
||
841 | } |
||
842 | else if (ctx->Driver.IsProgramNative) { |
||
843 | /* ask the driver */ |
||
844 | *params = ctx->Driver.IsProgramNative( ctx, target, prog ); |
||
845 | } |
||
846 | else { |
||
847 | /* probably running in software */ |
||
848 | *params = GL_TRUE; |
||
849 | } |
||
850 | return; |
||
851 | default: |
||
852 | /* continue with fragment-program only queries below */ |
||
853 | break; |
||
854 | } |
||
855 | |||
856 | /* |
||
857 | * The following apply to fragment programs only (at this time) |
||
858 | */ |
||
859 | if (target == GL_FRAGMENT_PROGRAM_ARB) { |
||
860 | const struct gl_fragment_program *fp = ctx->FragmentProgram.Current; |
||
861 | switch (pname) { |
||
862 | case GL_PROGRAM_ALU_INSTRUCTIONS_ARB: |
||
863 | *params = fp->Base.NumNativeAluInstructions; |
||
864 | return; |
||
865 | case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB: |
||
866 | *params = fp->Base.NumAluInstructions; |
||
867 | return; |
||
868 | case GL_PROGRAM_TEX_INSTRUCTIONS_ARB: |
||
869 | *params = fp->Base.NumTexInstructions; |
||
870 | return; |
||
871 | case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB: |
||
872 | *params = fp->Base.NumNativeTexInstructions; |
||
873 | return; |
||
874 | case GL_PROGRAM_TEX_INDIRECTIONS_ARB: |
||
875 | *params = fp->Base.NumTexIndirections; |
||
876 | return; |
||
877 | case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB: |
||
878 | *params = fp->Base.NumNativeTexIndirections; |
||
879 | return; |
||
880 | case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB: |
||
881 | *params = limits->MaxAluInstructions; |
||
882 | return; |
||
883 | case GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB: |
||
884 | *params = limits->MaxNativeAluInstructions; |
||
885 | return; |
||
886 | case GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB: |
||
887 | *params = limits->MaxTexInstructions; |
||
888 | return; |
||
889 | case GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB: |
||
890 | *params = limits->MaxNativeTexInstructions; |
||
891 | return; |
||
892 | case GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB: |
||
893 | *params = limits->MaxTexIndirections; |
||
894 | return; |
||
895 | case GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB: |
||
896 | *params = limits->MaxNativeTexIndirections; |
||
897 | return; |
||
898 | default: |
||
899 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)"); |
||
900 | return; |
||
901 | } |
||
902 | } else { |
||
903 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)"); |
||
904 | return; |
||
905 | } |
||
906 | } |
||
907 | |||
908 | |||
909 | void GLAPIENTRY |
||
910 | _mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string) |
||
911 | { |
||
912 | const struct gl_program *prog; |
||
913 | char *dst = (char *) string; |
||
914 | GET_CURRENT_CONTEXT(ctx); |
||
915 | |||
916 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
917 | |||
918 | if (target == GL_VERTEX_PROGRAM_ARB) { |
||
919 | prog = &(ctx->VertexProgram.Current->Base); |
||
920 | } |
||
921 | else if (target == GL_FRAGMENT_PROGRAM_ARB) { |
||
922 | prog = &(ctx->FragmentProgram.Current->Base); |
||
923 | } |
||
924 | else { |
||
925 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(target)"); |
||
926 | return; |
||
927 | } |
||
928 | |||
929 | ASSERT(prog); |
||
930 | |||
931 | if (pname != GL_PROGRAM_STRING_ARB) { |
||
932 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(pname)"); |
||
933 | return; |
||
934 | } |
||
935 | |||
936 | if (prog->String) |
||
937 | memcpy(dst, prog->String, strlen((char *) prog->String)); |
||
938 | else |
||
939 | *dst = '\0'; |
||
940 | }>=>>=>>>>>> |