+++ /dev/null
-/**************************************************************************
-
-Copyright 2002 Tungsten Graphics Inc., Cedar Park, Texas.
-
-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
-on the rights to use, copy, modify, merge, publish, distribute, sub
-license, 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 (including the next
-paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
-TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS 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>
- *
- */
-
-#ifndef VBO_SAVE_H
-#define VBO_SAVE_H
-
-#include "main/mfeatures.h"
-#include "main/mtypes.h"
-#include "vbo.h"
-#include "vbo_attrib.h"
-
-
-struct vbo_save_copied_vtx {
- GLfloat buffer[VBO_ATTRIB_MAX * 4 * VBO_MAX_COPIED_VERTS];
- GLuint nr;
-};
-
-
-/* For display lists, this structure holds a run of vertices of the
- * same format, and a strictly well-formed set of begin/end pairs,
- * starting on the first vertex and ending at the last. Vertex
- * copying on buffer breaks is precomputed according to these
- * primitives, though there are situations where the copying will need
- * correction at execute-time, perhaps by replaying the list as
- * immediate mode commands.
- *
- * On executing this list, the 'current' values may be updated with
- * the values of the final vertex, and often no fixup of the start of
- * the vertex list is required.
- *
- * Eval and other commands that don't fit into these vertex lists are
- * compiled using the fallback opcode mechanism provided by dlist.c.
- */
-struct vbo_save_vertex_list {
- GLubyte attrsz[VBO_ATTRIB_MAX];
- GLuint vertex_size;
-
- /* Copy of the final vertex from node->vertex_store->bufferobj.
- * Keep this in regular (non-VBO) memory to avoid repeated
- * map/unmap of the VBO when updating GL current data.
- */
- GLfloat *current_data;
- GLuint current_size;
-
- GLuint buffer_offset;
- GLuint count; /**< vertex count */
- GLuint wrap_count; /* number of copied vertices at start */
- GLboolean dangling_attr_ref; /* current attr implicitly referenced
- outside the list */
-
- struct _mesa_prim *prim;
- GLuint prim_count;
-
- struct vbo_save_vertex_store *vertex_store;
- struct vbo_save_primitive_store *prim_store;
-};
-
-/* These buffers should be a reasonable size to support upload to
- * hardware. Current vbo implementation will re-upload on any
- * changes, so don't make too big or apps which dynamically create
- * dlists and use only a few times will suffer.
- *
- * Consider strategy of uploading regions from the VBO on demand in the
- * case of dynamic vbos. Then make the dlist code signal that
- * likelihood as it occurs. No reason we couldn't change usage
- * internally even though this probably isn't allowed for client VBOs?
- */
-#define VBO_SAVE_BUFFER_SIZE (8*1024) /* dwords */
-#define VBO_SAVE_PRIM_SIZE 128
-#define VBO_SAVE_PRIM_MODE_MASK 0x3f
-#define VBO_SAVE_PRIM_WEAK 0x40
-#define VBO_SAVE_PRIM_NO_CURRENT_UPDATE 0x80
-
-#define VBO_SAVE_FALLBACK 0x10000000
-
-/* Storage to be shared among several vertex_lists.
- */
-struct vbo_save_vertex_store {
- struct gl_buffer_object *bufferobj;
- GLfloat *buffer;
- GLuint used;
- GLuint refcount;
-};
-
-struct vbo_save_primitive_store {
- struct _mesa_prim buffer[VBO_SAVE_PRIM_SIZE];
- GLuint used;
- GLuint refcount;
-};
-
-
-struct vbo_save_context {
- struct gl_context *ctx;
- GLvertexformat vtxfmt;
- GLvertexformat vtxfmt_noop; /**< Used if out_of_memory is true */
- struct gl_client_array arrays[VBO_ATTRIB_MAX];
- const struct gl_client_array *inputs[VBO_ATTRIB_MAX];
-
- GLubyte attrsz[VBO_ATTRIB_MAX];
- GLubyte active_sz[VBO_ATTRIB_MAX];
- GLuint vertex_size;
-
- GLboolean out_of_memory; /**< True if last VBO allocation failed */
-
- GLfloat *buffer;
- GLuint count;
- GLuint wrap_count;
- GLuint replay_flags;
-
- struct _mesa_prim *prim;
- GLuint prim_count, prim_max;
-
- struct vbo_save_vertex_store *vertex_store;
- struct vbo_save_primitive_store *prim_store;
-
- GLfloat *buffer_ptr; /* cursor, points into buffer */
- GLfloat vertex[VBO_ATTRIB_MAX*4]; /* current values */
- GLfloat *attrptr[VBO_ATTRIB_MAX];
- GLuint vert_count;
- GLuint max_vert;
- GLboolean dangling_attr_ref;
-
- GLuint opcode_vertex_list;
-
- struct vbo_save_copied_vtx copied;
-
- GLfloat *current[VBO_ATTRIB_MAX]; /* points into ctx->ListState */
- GLubyte *currentsz[VBO_ATTRIB_MAX];
-};
-
-#if FEATURE_dlist
-
-void vbo_save_init( struct gl_context *ctx );
-void vbo_save_destroy( struct gl_context *ctx );
-void vbo_save_fallback( struct gl_context *ctx, GLboolean fallback );
-
-/* save_loopback.c:
- */
-void vbo_loopback_vertex_list( struct gl_context *ctx,
- const GLfloat *buffer,
- const GLubyte *attrsz,
- const struct _mesa_prim *prim,
- GLuint prim_count,
- GLuint wrap_count,
- GLuint vertex_size);
-
-/* Callbacks:
- */
-void vbo_save_EndList( struct gl_context *ctx );
-void vbo_save_NewList( struct gl_context *ctx, GLuint list, GLenum mode );
-void vbo_save_EndCallList( struct gl_context *ctx );
-void vbo_save_BeginCallList( struct gl_context *ctx, struct gl_display_list *list );
-void vbo_save_SaveFlushVertices( struct gl_context *ctx );
-GLboolean vbo_save_NotifyBegin( struct gl_context *ctx, GLenum mode );
-
-void vbo_save_playback_vertex_list( struct gl_context *ctx, void *data );
-
-void vbo_save_api_init( struct vbo_save_context *save );
-
-#else /* FEATURE_dlist */
-
-static inline void
-vbo_save_init( struct gl_context *ctx )
-{
-}
-
-static inline void
-vbo_save_destroy( struct gl_context *ctx )
-{
-}
-
-#endif /* FEATURE_dlist */
-
-#endif /* VBO_SAVE_H */
projects / reactos.git / blobdiff