diff options
author | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-07-24 22:41:14 +0200 |
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committer | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-07-27 20:32:07 +0200 |
commit | 800f48258623f8caf25d013f44784edb7caa3f93 (patch) | |
tree | bb187a8b98e920f24762516620587402b6ab2c4b /src/mesa/drivers/dri/r300/compiler/radeon_code.c | |
parent | 92f7a599c7e94b0687d02efef1890e1a8ed2f9f3 (diff) |
r300: Allow compiler to add constants in a cleaner way
Adding constants is used in a number of non-native instruction
rewrites, and it required us to keep copies of modified gl_programs
around. This is a first step towards ending this.
Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_code.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_code.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_code.c b/src/mesa/drivers/dri/r300/compiler/radeon_code.c new file mode 100644 index 0000000000..b94e534d9c --- /dev/null +++ b/src/mesa/drivers/dri/r300/compiler/radeon_code.c @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2009 Nicolai Haehnle. + * + * 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 (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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS 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. + * + */ + +#include "main/mtypes.h" +#include "shader/prog_instruction.h" + +#include "radeon_code.h" + +void rc_constants_init(struct rc_constant_list * c) +{ + memset(c, 0, sizeof(*c)); +} + +/** + * Copy a constants structure, assuming that the destination structure + * is not initialized. + */ +void rc_constants_copy(struct rc_constant_list * dst, struct rc_constant_list * src) +{ + dst->Constants = malloc(sizeof(struct rc_constant) * src->Count); + memcpy(dst->Constants, src->Constants, sizeof(struct rc_constant) * src->Count); + dst->Count = src->Count; + dst->_Reserved = src->Count; +} + +void rc_constants_destroy(struct rc_constant_list * c) +{ + free(c->Constants); + memset(c, 0, sizeof(*c)); +} + +unsigned rc_constants_add(struct rc_constant_list * c, struct rc_constant * constant) +{ + unsigned index = c->Count; + + if (c->Count >= c->_Reserved) { + struct rc_constant * newlist; + + c->_Reserved = c->_Reserved * 2; + if (!c->_Reserved) + c->_Reserved = 16; + + newlist = malloc(sizeof(struct rc_constant) * c->_Reserved); + memcpy(newlist, c->Constants, sizeof(struct rc_constant) * c->Count); + + free(c->Constants); + c->Constants = newlist; + } + + c->Constants[index] = *constant; + c->Count++; + + return index; +} |