diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_save.c')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_save.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_save.c b/mesalib/src/mesa/vbo/vbo_save.c new file mode 100644 index 000000000..9757c3d9f --- /dev/null +++ b/mesalib/src/mesa/vbo/vbo_save.c @@ -0,0 +1,110 @@ +/* + * Mesa 3-D graphics library + * Version: 7.2 + * + * Copyright (C) 1999-2008 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 "main/mtypes.h" +#include "main/bufferobj.h" +#include "main/dlist.h" +#include "main/vtxfmt.h" +#include "main/imports.h" + +#include "vbo_context.h" + + + +static void vbo_save_callback_init( GLcontext *ctx ) +{ + ctx->Driver.NewList = vbo_save_NewList; + ctx->Driver.EndList = vbo_save_EndList; + ctx->Driver.SaveFlushVertices = vbo_save_SaveFlushVertices; + ctx->Driver.BeginCallList = vbo_save_BeginCallList; + ctx->Driver.EndCallList = vbo_save_EndCallList; + ctx->Driver.NotifySaveBegin = vbo_save_NotifyBegin; +} + + + +void vbo_save_init( GLcontext *ctx ) +{ + struct vbo_context *vbo = vbo_context(ctx); + struct vbo_save_context *save = &vbo->save; + + save->ctx = ctx; + + vbo_save_api_init( save ); + vbo_save_callback_init(ctx); + + { + struct gl_client_array *arrays = save->arrays; + memcpy(arrays, vbo->legacy_currval, 16 * sizeof(arrays[0])); + memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0])); + } + + ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN; +} + + +void vbo_save_destroy( GLcontext *ctx ) +{ + struct vbo_context *vbo = vbo_context(ctx); + struct vbo_save_context *save = &vbo->save; + GLuint i; + + if (save->prim_store) { + if ( --save->prim_store->refcount == 0 ) { + FREE( save->prim_store ); + save->prim_store = NULL; + } + if ( --save->vertex_store->refcount == 0 ) { + _mesa_reference_buffer_object(ctx, + &save->vertex_store->bufferobj, NULL); + FREE( save->vertex_store ); + save->vertex_store = NULL; + } + } + + for (i = 0; i < VBO_ATTRIB_MAX; i++) { + _mesa_reference_buffer_object(ctx, &save->arrays[i].BufferObj, NULL); + } +} + + + + +/* Note that this can occur during the playback of a display list: + */ +void vbo_save_fallback( GLcontext *ctx, GLboolean fallback ) +{ + struct vbo_save_context *save = &vbo_context(ctx)->save; + + if (fallback) + save->replay_flags |= VBO_SAVE_FALLBACK; + else + save->replay_flags &= ~VBO_SAVE_FALLBACK; +} + + |