/* cp_path() sets the directory where all codepage files must be found (if
* the parameter to cp_set() specifies a full path, that is used instead).
* The path is specified into two parts: root and directory; the full path
* for the codepage direcory is just the concatenation of the two, with a
* directory separator in between. The directory is given in two parts,
* because often a program already retrieves its "home" directory and the
* codepages are most conveniently stored in a subdirectory of this home
* directory.
*/
SC_FUNC int cp_path(const char *root, const char *directory)
{
size_t len1,len2;
int add_slash1,add_slash2;
len1= (root!=NULL) ? strlen(root) : 0;
add_slash1= (len1==0 || root[len1-1]!=DIRSEP_CHAR);
len2= (directory!=NULL) ? strlen(directory) : 0;
add_slash2= (len2>0 && root[len2-1]!=DIRSEP_CHAR);
if (len1+add_slash1+len2+add_slash2>=(_MAX_PATH-MAXCODEPAGE))
return FALSE; /* full filename may not fit */
if (root!=NULL)
strcpy(cprootpath,root);
if (add_slash1) {
assert(len1==0 || cprootpath[len1]=='\0');
cprootpath[len1]=DIRSEP_CHAR;
cprootpath[len1+1]='\0';
} /* if */
if (directory!=NULL)
strcat(cprootpath,directory);
if (add_slash2) {
assert(cprootpath[len1+add_slash1+len2]=='\0');
cprootpath[len1+add_slash1+len2]=DIRSEP_CHAR;
cprootpath[len1+add_slash1+len2+1]='\0';
} /* if */
cp_set(NULL); /* start with a "linear" table (no translation) */
return TRUE;
}
static void
nv40_grctx_generate(struct nouveau_grctx *ctx)
{
/* decide whether we're loading/unloading the context */
cp_bra (ctx, AUTO_SAVE, PENDING, cp_setup_save);
cp_bra (ctx, USER_SAVE, PENDING, cp_setup_save);
cp_name(ctx, cp_check_load);
cp_bra (ctx, AUTO_LOAD, PENDING, cp_setup_auto_load);
cp_bra (ctx, USER_LOAD, PENDING, cp_setup_load);
cp_bra (ctx, ALWAYS, TRUE, cp_exit);
/* setup for context load */
cp_name(ctx, cp_setup_auto_load);
cp_wait(ctx, STATUS, IDLE);
cp_out (ctx, CP_NEXT_TO_SWAP);
cp_name(ctx, cp_setup_load);
cp_wait(ctx, STATUS, IDLE);
cp_set (ctx, SWAP_DIRECTION, LOAD);
cp_out (ctx, 0x00910880); /* ?? */
cp_out (ctx, 0x00901ffe); /* ?? */
cp_out (ctx, 0x01940000); /* ?? */
cp_lsr (ctx, 0x20);
cp_out (ctx, 0x0060000b); /* ?? */
cp_wait(ctx, UNK57, CLEAR);
cp_out (ctx, 0x0060000c); /* ?? */
cp_bra (ctx, ALWAYS, TRUE, cp_swap_state);
/* setup for context save */
cp_name(ctx, cp_setup_save);
cp_set (ctx, SWAP_DIRECTION, SAVE);
/* general PGRAPH state */
cp_name(ctx, cp_swap_state);
cp_pos (ctx, 0x00020/4);
nv40_graph_construct_general(ctx);
cp_wait(ctx, STATUS, IDLE);
/* 3D state, block 1 */
cp_bra (ctx, UNK54, CLEAR, cp_prepare_exit);
nv40_graph_construct_state3d(ctx);
cp_wait(ctx, STATUS, IDLE);
/* 3D state, block 2 */
nv40_graph_construct_state3d_2(ctx);
/* Some other block of "random" state */
nv40_graph_construct_state3d_3(ctx);
/* Per-vertex shader state */
cp_pos (ctx, ctx->ctxvals_pos);
nv40_graph_construct_shader(ctx);
/* pre-exit state updates */
cp_name(ctx, cp_prepare_exit);
cp_bra (ctx, SWAP_DIRECTION, SAVE, cp_check_load);
cp_bra (ctx, USER_SAVE, PENDING, cp_exit);
cp_out (ctx, CP_NEXT_TO_CURRENT);
cp_name(ctx, cp_exit);
cp_set (ctx, USER_SAVE, NOT_PENDING);
cp_set (ctx, USER_LOAD, NOT_PENDING);
cp_out (ctx, CP_END);
}
void
nv40_grctx_init(struct nouveau_grctx *ctx)
{
cp_bra (ctx, AUTO_SAVE, PENDING, cp_setup_save);
cp_bra (ctx, USER_SAVE, PENDING, cp_setup_save);
cp_name(ctx, cp_check_load);
cp_bra (ctx, AUTO_LOAD, PENDING, cp_setup_auto_load);
cp_bra (ctx, USER_LOAD, PENDING, cp_setup_load);
cp_bra (ctx, ALWAYS, TRUE, cp_exit);
cp_name(ctx, cp_setup_auto_load);
cp_wait(ctx, STATUS, IDLE);
cp_out (ctx, CP_NEXT_TO_SWAP);
cp_name(ctx, cp_setup_load);
cp_wait(ctx, STATUS, IDLE);
cp_set (ctx, SWAP_DIRECTION, LOAD);
cp_out (ctx, 0x00910880);
cp_out (ctx, 0x00901ffe);
cp_out (ctx, 0x01940000);
cp_lsr (ctx, 0x20);
cp_out (ctx, 0x0060000b);
cp_wait(ctx, UNK57, CLEAR);
cp_out (ctx, 0x0060000c);
cp_bra (ctx, ALWAYS, TRUE, cp_swap_state);
cp_name(ctx, cp_setup_save);
cp_set (ctx, SWAP_DIRECTION, SAVE);
cp_name(ctx, cp_swap_state);
cp_pos (ctx, 0x00020/4);
nv40_graph_construct_general(ctx);
cp_wait(ctx, STATUS, IDLE);
cp_bra (ctx, UNK54, CLEAR, cp_prepare_exit);
nv40_graph_construct_state3d(ctx);
cp_wait(ctx, STATUS, IDLE);
nv40_graph_construct_state3d_2(ctx);
nv40_graph_construct_state3d_3(ctx);
cp_pos (ctx, ctx->ctxvals_pos);
nv40_graph_construct_shader(ctx);
cp_name(ctx, cp_prepare_exit);
cp_bra (ctx, SWAP_DIRECTION, SAVE, cp_check_load);
cp_bra (ctx, USER_SAVE, PENDING, cp_exit);
cp_out (ctx, CP_NEXT_TO_CURRENT);
cp_name(ctx, cp_exit);
cp_set (ctx, USER_SAVE, NOT_PENDING);
cp_set (ctx, USER_LOAD, NOT_PENDING);
cp_out (ctx, CP_END);
}
