diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_save.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_save.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_save.c b/src/mesa/drivers/dri/i965/brw_save.c new file mode 100644 index 0000000000..1af7791c4d --- /dev/null +++ b/src/mesa/drivers/dri/i965/brw_save.c @@ -0,0 +1,126 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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 "mtypes.h" +#include "api_arrayelt.h" +#include "dlist.h" +#include "vtxfmt.h" +#include "imports.h" + +#include "brw_save.h" + + + +void brw_save_init( GLcontext *ctx ) +{ + struct brw_save_context *save = CALLOC_STRUCT(brw_save_context); + + if (ctx->swtnl_im == NULL) { + ctx->swtnl_im = CALLOC_STRUCT(brw_exec_save); + } + + save->ctx = ctx; + IMM_CONTEXT(ctx)->save = save; + + /* Initialize the arrayelt helper + */ + if (!ctx->aelt_context && + !_ae_create_context( ctx )) + return; + + brw_save_api_init( save ); + brw_save_wakeup(ctx); + + ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN; +} + + +void brw_save_destroy( GLcontext *ctx ) +{ + struct brw_save_context *save = IMM_CONTEXT(ctx)->save; + if (save) { + FREE(save); + IMM_CONTEXT(ctx)->save = NULL; + } + + if (ctx->aelt_context) { + _ae_destroy_context( ctx ); + ctx->aelt_context = NULL; + } + + if (IMM_CONTEXT(ctx)->exec == NULL && + IMM_CONTEXT(ctx)->save == NULL) { + FREE(IMM_CONTEXT(ctx)); + ctx->swtnl_im = NULL; + } +} + + +void brw_save_invalidate_state( GLcontext *ctx, GLuint new_state ) +{ + _ae_invalidate_state(ctx, new_state); +} + + +/* Note that this can occur during the playback of a display list: + */ +void brw_save_fallback( GLcontext *ctx, GLboolean fallback ) +{ + struct brw_save_context *save = IMM_CONTEXT(ctx)->save; + + if (fallback) + save->replay_flags |= BRW_SAVE_FALLBACK; + else + save->replay_flags &= ~BRW_SAVE_FALLBACK; +} + + +/* I don't see any reason to swap this code out on fallbacks. It + * wouldn't really mean anything to do so anyway as the old lists are + * still around from pre-fallback. Instead, the above code ensures + * that vertices are routed back through immediate mode dispatch on + * fallback. + * + * The below can be moved into init or removed: + */ +void brw_save_wakeup( GLcontext *ctx ) +{ + ctx->Driver.NewList = brw_save_NewList; + ctx->Driver.EndList = brw_save_EndList; + ctx->Driver.SaveFlushVertices = brw_save_SaveFlushVertices; + ctx->Driver.BeginCallList = brw_save_BeginCallList; + ctx->Driver.EndCallList = brw_save_EndCallList; + ctx->Driver.NotifySaveBegin = brw_save_NotifyBegin; + + /* Assume we haven't been getting state updates either: + */ + brw_save_invalidate_state( ctx, ~0 ); +} + + + |