diff options
| author | Michal Krol <mjkrol@gmail.org> | 2005-04-13 13:18:35 +0000 |
|---|---|---|
| committer | Michal Krol <mjkrol@gmail.org> | 2005-04-13 13:18:35 +0000 |
| commit | d3ea221d3ea12d4d42049db22fa9502d57c55070 (patch) | |
| tree | ba63893abcb8fa3bcc615655b9259f963363773c /src/mesa/shader/slang/library/slang_shader.syn | |
| parent | 2f951683be5766b7b9537cbb691f662cd1f49b16 (diff) | |
add __fixed_input and __fixed_output qualifier support;
fix for_init_statement output;
Diffstat (limited to 'src/mesa/shader/slang/library/slang_shader.syn')
| -rw-r--r-- | src/mesa/shader/slang/library/slang_shader.syn | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/mesa/shader/slang/library/slang_shader.syn b/src/mesa/shader/slang/library/slang_shader.syn index 4aa0339cc7..65d7fe3532 100644 --- a/src/mesa/shader/slang/library/slang_shader.syn +++ b/src/mesa/shader/slang/library/slang_shader.syn @@ -2,7 +2,7 @@ * Mesa 3-D graphics library
* Version: 6.2
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 2004-2005 Brian Paul 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"),
@@ -24,7 +24,7 @@ /*
* \file slang_shader.syn
- * slang shader syntax
+ * slang vertex/fragment shader syntax
* \author Michal Krol
*/
@@ -49,7 +49,7 @@ .syntax translation_unit;
/* revision number - increment after each change affecting emitted output */
-.emtcode REVISION 1
+.emtcode REVISION 2
/* external declaration */
.emtcode EXTERNAL_NULL 0
@@ -116,6 +116,8 @@ .emtcode TYPE_QUALIFIER_ATTRIBUTE 2
.emtcode TYPE_QUALIFIER_VARYING 3
.emtcode TYPE_QUALIFIER_UNIFORM 4
+.emtcode TYPE_QUALIFIER_FIXEDOUTPUT 5
+.emtcode TYPE_QUALIFIER_FIXEDINPUT 6
/* type specifier */
.emtcode TYPE_SPECIFIER_VOID 0
@@ -237,7 +239,7 @@ /* the implementation will set it to 1 when compiling internal built-in shaders */
.regbyte parsing_builtin 0
-/* holds the type of shader that is being parsed, possible values are listed below */
+/* holds the type of the shader being parsed; possible values are listed below */
/* FRAGMENT_SHADER 1 */
/* VERTEX_SHADER 2 */
/* shader type is set by the caller before parsing */
@@ -846,12 +848,19 @@ fully_specified_type_2 | "attribute" // Vertex only.
| "varying"
| "uniform"
+ | "__fixed_output"
+ | "__fixed_input"
+
+note: this is an extension to the standard language specification - normally slang disallows
+ __fixed_output and __fixed_input type qualifiers
*/
type_qualifier
"const" .emit TYPE_QUALIFIER_CONST .or
.if (shader_type == 2) "attribute" .emit TYPE_QUALIFIER_ATTRIBUTE .or
"varying" .emit TYPE_QUALIFIER_VARYING .or
- "uniform" .emit TYPE_QUALIFIER_UNIFORM;
+ "uniform" .emit TYPE_QUALIFIER_UNIFORM .or
+ .if (parsing_builtin != 0) "__fixed_output" .emit TYPE_QUALIFIER_FIXEDOUTPUT .or
+ .if (parsing_builtin != 0) "__fixed_input" .emit TYPE_QUALIFIER_FIXEDINPUT;
/*
<type_specifier> ::= "void"
@@ -1110,7 +1119,7 @@ iteration_statement_3 | <declaration_statement>
*/
for_init_statement
- expression_statement .or declaration_statement;
+ expression_statement .emit OP_EXPRESSION .or declaration_statement .emit OP_DECLARE;
/*
<conditionopt> ::= <condition>
|