| /************************************************************************** |
| * |
| * Copyright 2008 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 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 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. |
| * |
| **************************************************************************/ |
| |
| #ifndef TGSI_TRANSFORM_H |
| #define TGSI_TRANSFORM_H |
| |
| |
| #include "pipe/p_shader_tokens.h" |
| #include "tgsi/tgsi_parse.h" |
| #include "tgsi/tgsi_build.h" |
| |
| |
| |
| /** |
| * Subclass this to add caller-specific data |
| */ |
| struct tgsi_transform_context |
| { |
| /**** PUBLIC ***/ |
| |
| /** |
| * User-defined callbacks invoked per instruction. |
| */ |
| void (*transform_instruction)(struct tgsi_transform_context *ctx, |
| struct tgsi_full_instruction *inst); |
| |
| void (*transform_declaration)(struct tgsi_transform_context *ctx, |
| struct tgsi_full_declaration *decl); |
| |
| void (*transform_immediate)(struct tgsi_transform_context *ctx, |
| struct tgsi_full_immediate *imm); |
| void (*transform_property)(struct tgsi_transform_context *ctx, |
| struct tgsi_full_property *prop); |
| |
| /** |
| * Called at end of input program to allow caller to append extra |
| * instructions. Return number of tokens emitted. |
| */ |
| void (*epilog)(struct tgsi_transform_context *ctx); |
| |
| |
| /*** PRIVATE ***/ |
| |
| /** |
| * These are setup by tgsi_transform_shader() and cannot be overridden. |
| * Meant to be called from in the above user callback functions. |
| */ |
| void (*emit_instruction)(struct tgsi_transform_context *ctx, |
| const struct tgsi_full_instruction *inst); |
| void (*emit_declaration)(struct tgsi_transform_context *ctx, |
| const struct tgsi_full_declaration *decl); |
| void (*emit_immediate)(struct tgsi_transform_context *ctx, |
| const struct tgsi_full_immediate *imm); |
| void (*emit_property)(struct tgsi_transform_context *ctx, |
| const struct tgsi_full_property *prop); |
| |
| struct tgsi_header *header; |
| uint max_tokens_out; |
| struct tgsi_token *tokens_out; |
| uint ti; |
| }; |
| |
| |
| |
| extern int |
| tgsi_transform_shader(const struct tgsi_token *tokens_in, |
| struct tgsi_token *tokens_out, |
| uint max_tokens_out, |
| struct tgsi_transform_context *ctx); |
| |
| |
| #endif /* TGSI_TRANSFORM_H */ |