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* Mesa 3-D graphics library
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* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* Keith Whitwell <keithw@valinux.com>
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#include "t_context.h"
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#include "t_array_api.h"
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#include "t_eval_api.h"
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#include "t_imm_alloc.h"
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#include "t_imm_api.h"
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#include "t_imm_exec.h"
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#include "t_imm_dlist.h"
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#include "t_pipeline.h"
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struct immediate *_tnl_CurrentInput = NULL;
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_tnl_MakeCurrent( GLcontext *ctx,
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GLframebuffer *drawBuffer,
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GLframebuffer *readBuffer )
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SET_IMMEDIATE( ctx, TNL_CURRENT_IM(ctx) );
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install_driver_callbacks( GLcontext *ctx )
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ctx->Driver.NewList = _tnl_NewList;
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ctx->Driver.EndList = _tnl_EndList;
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ctx->Driver.FlushVertices = _tnl_flush_vertices;
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ctx->Driver.MakeCurrent = _tnl_MakeCurrent;
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ctx->Driver.BeginCallList = _tnl_BeginCallList;
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ctx->Driver.EndCallList = _tnl_EndCallList;
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_tnl_CreateContext( GLcontext *ctx )
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/* Create the TNLcontext structure
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ctx->swtnl_context = tnl = (TNLcontext *) CALLOC( sizeof(TNLcontext) );
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tnl->vb.Size = MAX2( IMM_SIZE,
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ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES);
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/* Initialize tnl state and tnl->vtxfmt.
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_tnl_dlist_init( ctx );
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_tnl_array_init( ctx );
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_tnl_imm_init( ctx );
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_tnl_eval_init( ctx );
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_tnl_install_pipeline( ctx, _tnl_default_pipeline );
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tnl->NeedProjCoords = GL_TRUE;
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tnl->LoopbackDListCassettes = GL_FALSE;
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tnl->CalcDListNormalLengths = GL_TRUE;
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/* Hook our functions into exec and compile dispatch tables.
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_mesa_install_exec_vtxfmt( ctx, &tnl->vtxfmt );
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tnl->save_vtxfmt = tnl->vtxfmt;
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tnl->save_vtxfmt.CallList = _mesa_save_CallList;
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tnl->save_vtxfmt.EvalMesh1 = _mesa_save_EvalMesh1;
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tnl->save_vtxfmt.EvalMesh2 = _mesa_save_EvalMesh2;
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tnl->save_vtxfmt.Begin = _tnl_save_Begin;
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_mesa_install_save_vtxfmt( ctx, &tnl->save_vtxfmt );
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/* Set a few default values in the driver struct.
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install_driver_callbacks(ctx);
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ctx->Driver.NeedFlush = FLUSH_UPDATE_CURRENT;
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ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
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ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
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tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
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tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
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tnl->Driver.NotifyMaterialChange = _mesa_validate_all_lighting_tables;
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_tnl_DestroyContext( GLcontext *ctx )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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_tnl_array_destroy( ctx );
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_tnl_imm_destroy( ctx );
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_tnl_destroy_pipeline( ctx );
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if (tnl->freed_immediate)
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_tnl_free_immediate( ctx, tnl->freed_immediate );
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ctx->swtnl_context = 0;
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_tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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if (new_state & _NEW_ARRAY) {
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struct immediate *IM = TNL_CURRENT_IM(ctx);
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IM->ArrayEltFlags = ~ctx->Array._Enabled;
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IM->ArrayEltFlush = (ctx->Array.LockCount
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? FLUSH_ELT_LAZY : FLUSH_ELT_EAGER);
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IM->ArrayEltIncr = ctx->Array.Vertex.Enabled ? 1 : 0;
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tnl->pipeline.run_input_changes |= ctx->Array.NewState; /* overkill */
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tnl->pipeline.run_state_changes |= new_state;
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tnl->pipeline.build_state_changes |= (new_state &
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tnl->pipeline.build_state_trigger);
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tnl->eval.EvalNewState |= new_state;
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_tnl_wakeup_exec( GLcontext *ctx )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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install_driver_callbacks(ctx);
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ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
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/* Hook our functions into exec and compile dispatch tables.
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_mesa_install_exec_vtxfmt( ctx, &tnl->vtxfmt );
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/* Call all appropriate driver callbacks to revive state.
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_tnl_MakeCurrent( ctx, ctx->DrawBuffer, ctx->ReadBuffer );
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/* Assume we haven't been getting state updates either:
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_tnl_InvalidateState( ctx, ~0 );
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tnl->pipeline.run_input_changes = ~0;
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if (ctx->Light.ColorMaterialEnabled) {
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_mesa_update_color_material( ctx, ctx->Current.Color );
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_tnl_wakeup_save_exec( GLcontext *ctx )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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_tnl_wakeup_exec( ctx );
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_mesa_install_save_vtxfmt( ctx, &tnl->save_vtxfmt );
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_tnl_need_projected_coords( GLcontext *ctx, GLboolean mode )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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if (tnl->NeedProjCoords != mode) {
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tnl->NeedProjCoords = mode;
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_tnl_InvalidateState( ctx, _NEW_PROJECTION );
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_tnl_need_dlist_loopback( GLcontext *ctx, GLboolean mode )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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tnl->LoopbackDListCassettes = mode;
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_tnl_need_dlist_norm_lengths( GLcontext *ctx, GLboolean mode )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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tnl->CalcDListNormalLengths = mode;
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_tnl_isolate_materials( GLcontext *ctx, GLboolean mode )
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TNLcontext *tnl = TNL_CONTEXT(ctx);
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tnl->IsolateMaterials = mode;