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| Rev | Author | Line No. | Line |
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| 143 | giacomo | 1 | /* $Id: ss_context.c,v 1.1 2003-04-29 12:46:51 giacomo Exp $ */ |
| 2 | |||
| 3 | /* |
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| 4 | * Mesa 3-D graphics library |
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| 5 | * Version: 4.1 |
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| 6 | * |
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| 7 | * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. |
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| 8 | * |
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 10 | * copy of this software and associated documentation files (the "Software"), |
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| 11 | * to deal in the Software without restriction, including without limitation |
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 14 | * Software is furnished to do so, subject to the following conditions: |
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| 15 | * |
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| 16 | * The above copyright notice and this permission notice shall be included |
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| 17 | * in all copies or substantial portions of the Software. |
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| 18 | * |
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | * Authors: |
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| 27 | * Keith Whitwell <keith@tungstengraphics.com> |
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| 28 | */ |
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| 29 | |||
| 30 | #include "glheader.h" |
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| 31 | #include "imports.h" |
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| 32 | #include "ss_context.h" |
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| 33 | #include "ss_triangle.h" |
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| 34 | #include "ss_vb.h" |
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| 35 | #include "swrast_setup.h" |
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| 36 | #include "tnl/tnl.h" |
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| 37 | #include "tnl/t_context.h" |
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| 38 | #include "tnl/t_pipeline.h" |
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| 39 | |||
| 40 | |||
| 41 | #define _SWSETUP_NEW_VERTS (_NEW_RENDERMODE| \ |
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| 42 | _NEW_POLYGON| \ |
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| 43 | _NEW_LIGHT| \ |
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| 44 | _NEW_TEXTURE| \ |
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| 45 | _NEW_COLOR| \ |
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| 46 | _NEW_FOG| \ |
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| 47 | _NEW_POINT) |
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| 48 | |||
| 49 | #define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT) |
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| 50 | |||
| 51 | |||
| 52 | GLboolean |
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| 53 | _swsetup_CreateContext( GLcontext *ctx ) |
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| 54 | { |
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| 55 | TNLcontext *tnl = TNL_CONTEXT(ctx); |
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| 56 | SScontext *swsetup = (SScontext *)CALLOC(sizeof(SScontext)); |
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| 57 | |||
| 58 | if (!swsetup) |
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| 59 | return GL_FALSE; |
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| 60 | |||
| 61 | swsetup->verts = (SWvertex *) ALIGN_CALLOC( sizeof(SWvertex) * tnl->vb.Size, |
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| 62 | 32); |
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| 63 | if (!swsetup->verts) { |
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| 64 | FREE(swsetup); |
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| 65 | return GL_FALSE; |
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| 66 | } |
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| 67 | |||
| 68 | ctx->swsetup_context = swsetup; |
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| 69 | |||
| 70 | swsetup->NewState = ~0; |
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| 71 | _swsetup_vb_init( ctx ); |
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| 72 | _swsetup_trifuncs_init( ctx ); |
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| 73 | |||
| 74 | return GL_TRUE; |
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| 75 | } |
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| 76 | |||
| 77 | void |
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| 78 | _swsetup_DestroyContext( GLcontext *ctx ) |
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| 79 | { |
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| 80 | SScontext *swsetup = SWSETUP_CONTEXT(ctx); |
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| 81 | |||
| 82 | if (swsetup) { |
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| 83 | if (swsetup->verts) |
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| 84 | ALIGN_FREE(swsetup->verts); |
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| 85 | |||
| 86 | if (swsetup->ChanSecondaryColor.Ptr) |
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| 87 | ALIGN_FREE(swsetup->ChanSecondaryColor.Ptr); |
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| 88 | |||
| 89 | if (swsetup->ChanColor.Ptr) |
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| 90 | ALIGN_FREE(swsetup->ChanColor.Ptr); |
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| 91 | |||
| 92 | FREE(swsetup); |
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| 93 | ctx->swsetup_context = 0; |
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| 94 | } |
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| 95 | } |
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| 96 | |||
| 97 | static void |
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| 98 | _swsetup_RenderPrimitive( GLcontext *ctx, GLenum mode ) |
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| 99 | { |
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| 100 | SWSETUP_CONTEXT(ctx)->render_prim = mode; |
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| 101 | _swrast_render_primitive( ctx, mode ); |
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| 102 | } |
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| 103 | |||
| 104 | /* |
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| 105 | * We patch this function into tnl->Driver.Render.Start. |
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| 106 | * It's called when we start rendering a vertex buffer. |
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| 107 | */ |
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| 108 | static void |
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| 109 | _swsetup_RenderStart( GLcontext *ctx ) |
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| 110 | { |
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| 111 | SScontext *swsetup = SWSETUP_CONTEXT(ctx); |
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| 112 | GLuint new_state = swsetup->NewState; |
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| 113 | |||
| 114 | if (new_state & _SWSETUP_NEW_RENDERINDEX) { |
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| 115 | _swsetup_choose_trifuncs( ctx ); |
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| 116 | } |
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| 117 | |||
| 118 | if (new_state & _SWSETUP_NEW_VERTS) { |
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| 119 | _swsetup_choose_rastersetup_func( ctx ); |
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| 120 | } |
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| 121 | |||
| 122 | swsetup->NewState = 0; |
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| 123 | |||
| 124 | _swrast_render_start( ctx ); |
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| 125 | } |
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| 126 | |||
| 127 | /* |
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| 128 | * We patch this function into tnl->Driver.Render.Finish. |
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| 129 | * It's called when we finish rendering a vertex buffer. |
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| 130 | */ |
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| 131 | static void |
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| 132 | _swsetup_RenderFinish( GLcontext *ctx ) |
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| 133 | { |
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| 134 | _swrast_render_finish( ctx ); |
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| 135 | } |
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| 136 | |||
| 137 | void |
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| 138 | _swsetup_InvalidateState( GLcontext *ctx, GLuint new_state ) |
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| 139 | { |
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| 140 | SScontext *swsetup = SWSETUP_CONTEXT(ctx); |
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| 141 | swsetup->NewState |= new_state; |
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| 142 | } |
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| 143 | |||
| 144 | |||
| 145 | void |
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| 146 | _swsetup_Wakeup( GLcontext *ctx ) |
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| 147 | { |
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| 148 | TNLcontext *tnl = TNL_CONTEXT(ctx); |
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| 149 | tnl->Driver.Render.Start = _swsetup_RenderStart; |
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| 150 | tnl->Driver.Render.Finish = _swsetup_RenderFinish; |
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| 151 | tnl->Driver.Render.PrimitiveNotify = _swsetup_RenderPrimitive; |
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| 152 | /* interp */ |
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| 153 | /* copypv */ |
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| 154 | tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; /* new */ |
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| 155 | tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; /* new */ |
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| 156 | /* points */ |
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| 157 | /* line */ |
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| 158 | /* triangle */ |
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| 159 | /* quad */ |
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| 160 | tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; |
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| 161 | tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; |
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| 162 | tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple; |
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| 163 | /* buildvertices */ |
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| 164 | tnl->Driver.Render.Multipass = 0; |
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| 165 | _tnl_need_projected_coords( ctx, GL_TRUE ); |
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| 166 | _swsetup_InvalidateState( ctx, ~0 ); |
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| 167 | } |