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/* $Id: t_context.c,v 1.1 2003-02-28 11:48:06 pj Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "glheader.h"
#include "imports.h"
#include "macros.h"
#include "mtypes.h"
#include "dlist.h"
#include "light.h"
#include "vtxfmt.h"
#include "t_context.h"
#include "t_array_api.h"
#include "t_eval_api.h"
#include "t_imm_alloc.h"
#include "t_imm_api.h"
#include "t_imm_exec.h"
#include "t_imm_dlist.h"
#include "t_pipeline.h"
#include "tnl.h"
#ifndef THREADS
struct immediate *_tnl_CurrentInput = NULL;
#endif
void
_tnl_MakeCurrent( GLcontext *ctx,
GLframebuffer *drawBuffer,
GLframebuffer *readBuffer )
{
#ifndef THREADS
SET_IMMEDIATE( ctx, TNL_CURRENT_IM(ctx) );
#endif
}
static void
install_driver_callbacks( GLcontext *ctx )
{
ctx->Driver.NewList = _tnl_NewList;
ctx->Driver.EndList = _tnl_EndList;
ctx->Driver.FlushVertices = _tnl_flush_vertices;
ctx->Driver.MakeCurrent = _tnl_MakeCurrent;
ctx->Driver.BeginCallList = _tnl_BeginCallList;
ctx->Driver.EndCallList = _tnl_EndCallList;
}
GLboolean
_tnl_CreateContext( GLcontext *ctx )
{
TNLcontext *tnl;
/* Create the TNLcontext structure
*/
ctx->swtnl_context = tnl = (TNLcontext *) CALLOC( sizeof(TNLcontext) );
if (!tnl) {
return GL_FALSE;
}
/* Initialize the VB.
*/
tnl->vb.Size = MAX2( IMM_SIZE,
ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES);
/* Initialize tnl state and tnl->vtxfmt.
*/
_tnl_dlist_init( ctx );
_tnl_array_init( ctx );
_tnl_imm_init( ctx );
_tnl_eval_init( ctx );
_tnl_install_pipeline( ctx, _tnl_default_pipeline );
tnl->NeedNdcCoords = GL_TRUE;
tnl->LoopbackDListCassettes = GL_FALSE;
tnl->CalcDListNormalLengths = GL_TRUE;
/* Hook our functions into exec and compile dispatch tables.
*/
_mesa_install_exec_vtxfmt( ctx, &tnl->vtxfmt );
tnl->save_vtxfmt = tnl->vtxfmt;
tnl->save_vtxfmt.CallList = _mesa_save_CallList;
tnl->save_vtxfmt.EvalMesh1 = _mesa_save_EvalMesh1;
tnl->save_vtxfmt.EvalMesh2 = _mesa_save_EvalMesh2;
tnl->save_vtxfmt.Begin = _tnl_save_Begin;
_mesa_install_save_vtxfmt( ctx, &tnl->save_vtxfmt );
/* Set a few default values in the driver struct.
*/
install_driver_callbacks(ctx);
ctx->Driver.NeedFlush = FLUSH_UPDATE_CURRENT;
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
tnl->Driver.NotifyMaterialChange = _mesa_validate_all_lighting_tables;
return GL_TRUE;
}
void
_tnl_DestroyContext( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
_tnl_array_destroy( ctx );
_tnl_imm_destroy( ctx );
_tnl_destroy_pipeline( ctx );
_tnl_free_immediate( ctx, tnl->freed_immediate );
FREE(tnl);
ctx->swtnl_context = 0;
}
void
_tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
if (new_state & _NEW_ARRAY) {
struct immediate *IM = TNL_CURRENT_IM(ctx);
IM->ArrayEltFlags = ~ctx->Array._Enabled;
IM->ArrayEltFlush = (ctx->Array.LockCount
? FLUSH_ELT_LAZY : FLUSH_ELT_EAGER);
IM->ArrayEltIncr = ctx->Array.Vertex.Enabled ? 1 : 0;
tnl->pipeline.run_input_changes |= ctx->Array.NewState; /* overkill */
}
tnl->pipeline.run_state_changes |= new_state;
tnl->pipeline.build_state_changes |= (new_state &
tnl->pipeline.build_state_trigger);
tnl->eval.EvalNewState |= new_state;
}
void
_tnl_wakeup_exec( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
install_driver_callbacks(ctx);
ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
/* Hook our functions into exec and compile dispatch tables.
*/
_mesa_install_exec_vtxfmt( ctx, &tnl->vtxfmt );
/* Call all appropriate driver callbacks to revive state.
*/
_tnl_MakeCurrent( ctx, ctx->DrawBuffer, ctx->ReadBuffer );
/* Assume we haven't been getting state updates either:
*/
_tnl_InvalidateState( ctx, ~0 );
tnl->pipeline.run_input_changes = ~0;
if (ctx->Light.ColorMaterialEnabled) {
_mesa_update_color_material( ctx, ctx->Current.Attrib[VERT_ATTRIB_COLOR0] );
}
}
void
_tnl_wakeup_save_exec( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
_tnl_wakeup_exec( ctx );
_mesa_install_save_vtxfmt( ctx, &tnl->save_vtxfmt );
}
void
_tnl_need_projected_coords( GLcontext *ctx, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
if (tnl->NeedNdcCoords != mode) {
tnl->NeedNdcCoords = mode;
_tnl_InvalidateState( ctx, _NEW_PROJECTION );
}
}
void
_tnl_need_dlist_loopback( GLcontext *ctx, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->LoopbackDListCassettes = mode;
}
void
_tnl_need_dlist_norm_lengths( GLcontext *ctx, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->CalcDListNormalLengths = mode;
}
void
_tnl_isolate_materials( GLcontext *ctx, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->IsolateMaterials = mode;
}