static void vbo_save_loopback_vertex_list( GLcontext *ctx,
const struct vbo_save_vertex_list *list )
{
const char *buffer = ctx->Driver.MapBuffer(ctx,
GL_ARRAY_BUFFER_ARB,
GL_READ_ONLY, /* ? */
list->vertex_store->bufferobj);
vbo_loopback_vertex_list( ctx,
(const GLfloat *)(buffer + list->buffer_offset),
list->attrsz,
list->prim,
list->prim_count,
list->wrap_count,
list->vertex_size);
ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB,
list->vertex_store->bufferobj);
}
static void
vbo_save_loopback_vertex_list(struct gl_context *ctx,
const struct vbo_save_vertex_list *list)
{
const char *buffer =
ctx->Driver.MapBufferRange(ctx, 0,
list->vertex_store->bufferobj->Size,
GL_MAP_READ_BIT, /* ? */
list->vertex_store->bufferobj);
vbo_loopback_vertex_list(ctx,
(const GLfloat *)(buffer + list->buffer_offset),
list->attrsz,
list->prim,
list->prim_count,
list->wrap_count,
list->vertex_size);
ctx->Driver.UnmapBuffer(ctx, list->vertex_store->bufferobj);
}
/* Insert the active immediate struct onto the display list currently
* being built.
*/
static void _save_compile_vertex_list( GLcontext *ctx )
{
struct vbo_save_context *save = &vbo_context(ctx)->save;
struct vbo_save_vertex_list *node;
/* Allocate space for this structure in the display list currently
* being compiled.
*/
node = (struct vbo_save_vertex_list *)
_mesa_alloc_instruction(ctx, save->opcode_vertex_list, sizeof(*node));
if (!node)
return;
/* Duplicate our template, increment refcounts to the storage structs:
*/
_mesa_memcpy(node->attrsz, save->attrsz, sizeof(node->attrsz));
node->vertex_size = save->vertex_size;
node->buffer_offset = (save->buffer - save->vertex_store->buffer) * sizeof(GLfloat);
node->count = save->vert_count;
node->wrap_count = save->copied.nr;
node->dangling_attr_ref = save->dangling_attr_ref;
node->prim = save->prim;
node->prim_count = save->prim_count;
node->vertex_store = save->vertex_store;
node->prim_store = save->prim_store;
node->vertex_store->refcount++;
node->prim_store->refcount++;
assert(node->attrsz[VBO_ATTRIB_POS] != 0 ||
node->count == 0);
if (save->dangling_attr_ref)
ctx->ListState.CurrentList->flags |= MESA_DLIST_DANGLING_REFS;
save->vertex_store->used += save->vertex_size * node->count;
save->prim_store->used += node->prim_count;
/* Copy duplicated vertices
*/
save->copied.nr = _save_copy_vertices( ctx, node, save->buffer );
/* Deal with GL_COMPILE_AND_EXECUTE:
*/
if (ctx->ExecuteFlag) {
struct _glapi_table *dispatch = GET_DISPATCH();
_glapi_set_dispatch(ctx->Exec);
vbo_loopback_vertex_list( ctx,
(const GLfloat *)((const char *)save->vertex_store->buffer +
node->buffer_offset),
node->attrsz,
node->prim,
node->prim_count,
node->wrap_count,
node->vertex_size);
_glapi_set_dispatch(dispatch);
}
/* Decide whether the storage structs are full, or can be used for
* the next vertex lists as well.
*/
if (save->vertex_store->used >
VBO_SAVE_BUFFER_SIZE - 16 * (save->vertex_size + 4)) {
/* Unmap old store:
*/
unmap_vertex_store( ctx, save->vertex_store );
/* Release old reference:
*/
save->vertex_store->refcount--;
assert(save->vertex_store->refcount != 0);
save->vertex_store = NULL;
/* Allocate and map new store:
*/
save->vertex_store = alloc_vertex_store( ctx );
save->vbptr = map_vertex_store( ctx, save->vertex_store );
}
if (save->prim_store->used > VBO_SAVE_PRIM_SIZE - 6) {
save->prim_store->refcount--;
assert(save->prim_store->refcount != 0);
save->prim_store = alloc_prim_store( ctx );
}
/* Reset our structures for the next run of vertices:
*/
_save_reset_counters( ctx );
}
/**
* Insert the active immediate struct onto the display list currently
* being built.
*/
static void
_save_compile_vertex_list(struct gl_context *ctx)
{
struct vbo_save_context *save = &vbo_context(ctx)->save;
struct vbo_save_vertex_list *node;
/* Allocate space for this structure in the display list currently
* being compiled.
*/
node = (struct vbo_save_vertex_list *)
_mesa_dlist_alloc(ctx, save->opcode_vertex_list, sizeof(*node));
if (!node)
return;
/* Duplicate our template, increment refcounts to the storage structs:
*/
memcpy(node->attrsz, save->attrsz, sizeof(node->attrsz));
node->vertex_size = save->vertex_size;
node->buffer_offset =
(save->buffer - save->vertex_store->buffer) * sizeof(GLfloat);
node->count = save->vert_count;
node->wrap_count = save->copied.nr;
node->dangling_attr_ref = save->dangling_attr_ref;
node->prim = save->prim;
node->prim_count = save->prim_count;
node->vertex_store = save->vertex_store;
node->prim_store = save->prim_store;
node->vertex_store->refcount++;
node->prim_store->refcount++;
if (node->prim[0].no_current_update) {
node->current_size = 0;
node->current_data = NULL;
}
else {
node->current_size = node->vertex_size - node->attrsz[0];
node->current_data = NULL;
if (node->current_size) {
/* If the malloc fails, we just pull the data out of the VBO
* later instead.
*/
node->current_data = MALLOC(node->current_size * sizeof(GLfloat));
if (node->current_data) {
const char *buffer = (const char *) save->vertex_store->buffer;
unsigned attr_offset = node->attrsz[0] * sizeof(GLfloat);
unsigned vertex_offset = 0;
if (node->count)
vertex_offset =
(node->count - 1) * node->vertex_size * sizeof(GLfloat);
memcpy(node->current_data,
buffer + node->buffer_offset + vertex_offset + attr_offset,
node->current_size * sizeof(GLfloat));
}
}
}
assert(node->attrsz[VBO_ATTRIB_POS] != 0 || node->count == 0);
if (save->dangling_attr_ref)
ctx->ListState.CurrentList->Flags |= DLIST_DANGLING_REFS;
save->vertex_store->used += save->vertex_size * node->count;
save->prim_store->used += node->prim_count;
/* Copy duplicated vertices
*/
save->copied.nr = _save_copy_vertices(ctx, node, save->buffer);
/* Deal with GL_COMPILE_AND_EXECUTE:
*/
if (ctx->ExecuteFlag) {
struct _glapi_table *dispatch = GET_DISPATCH();
_glapi_set_dispatch(ctx->Exec);
vbo_loopback_vertex_list(ctx,
(const GLfloat *) ((const char *) save->
vertex_store->buffer +
node->buffer_offset),
node->attrsz, node->prim, node->prim_count,
node->wrap_count, node->vertex_size);
_glapi_set_dispatch(dispatch);
}
/* Decide whether the storage structs are full, or can be used for
* the next vertex lists as well.
*/
if (save->vertex_store->used >
VBO_SAVE_BUFFER_SIZE - 16 * (save->vertex_size + 4)) {
/* Unmap old store:
*/
vbo_save_unmap_vertex_store(ctx, save->vertex_store);
/* Release old reference:
*/
save->vertex_store->refcount--;
assert(save->vertex_store->refcount != 0);
save->vertex_store = NULL;
/* Allocate and map new store:
*/
save->vertex_store = alloc_vertex_store(ctx);
save->buffer_ptr = vbo_save_map_vertex_store(ctx, save->vertex_store);
save->out_of_memory = save->buffer_ptr == NULL;
}
if (save->prim_store->used > VBO_SAVE_PRIM_SIZE - 6) {
save->prim_store->refcount--;
assert(save->prim_store->refcount != 0);
save->prim_store = alloc_prim_store(ctx);
}
/* Reset our structures for the next run of vertices:
*/
_save_reset_counters(ctx);
}
