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4358 | Serge | 1 | /* |
2 | * Mesa 3-D graphics library |
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3 | * |
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4 | * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice shall be included |
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14 | * in all copies or substantial portions of the Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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22 | * OTHER DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |||
25 | |||
26 | #ifndef STATE_H |
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27 | #define STATE_H |
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28 | |||
29 | #include "mtypes.h" |
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30 | |||
31 | extern void |
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32 | _mesa_update_state(struct gl_context *ctx); |
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33 | |||
34 | /* As above but can only be called between _mesa_lock_context_textures() and |
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35 | * _mesa_unlock_context_textures(). |
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36 | */ |
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37 | extern void |
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38 | _mesa_update_state_locked(struct gl_context *ctx); |
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39 | |||
40 | |||
41 | extern void |
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42 | _mesa_set_varying_vp_inputs(struct gl_context *ctx, GLbitfield64 varying_inputs); |
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43 | |||
44 | |||
45 | extern void |
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46 | _mesa_set_vp_override(struct gl_context *ctx, GLboolean flag); |
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47 | |||
48 | |||
49 | /** |
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50 | * Is the secondary color needed? |
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51 | */ |
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52 | static inline GLboolean |
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53 | _mesa_need_secondary_color(const struct gl_context *ctx) |
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54 | { |
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55 | if (ctx->Light.Enabled && |
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56 | ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) |
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57 | return GL_TRUE; |
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58 | |||
59 | if (ctx->Fog.ColorSumEnabled) |
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60 | return GL_TRUE; |
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61 | |||
62 | if (ctx->VertexProgram._Current && |
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63 | (ctx->VertexProgram._Current != ctx->VertexProgram._TnlProgram) && |
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64 | (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_COLOR1)) |
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65 | return GL_TRUE; |
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66 | |||
67 | if (ctx->FragmentProgram._Current && |
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68 | (ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram) && |
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69 | (ctx->FragmentProgram._Current->Base.InputsRead & VARYING_BIT_COL1)) |
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70 | return GL_TRUE; |
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71 | |||
72 | return GL_FALSE; |
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73 | } |
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74 | |||
75 | #endif |