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authorMichal Krol <michal@tungstengraphics.com>2008-07-18 00:39:23 +0200
committerMichal Krol <michal@tungstengraphics.com>2008-07-18 00:39:23 +0200
commit638ecbda3eed8319ce82be9c119ca1f96f21d976 (patch)
tree42627c8368b4c4710df769e4b8a3d66a9e0da343 /src/gallium
parentf2053cfa1ac4e4e2e0083670aac5df766adad5f9 (diff)
tgsi: Add tgsi_iterate_shader utility.
Walks the token stream and invokes callbacks.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/auxiliary/tgsi/util/tgsi_iterate.c82
-rw-r--r--src/gallium/auxiliary/tgsi/util/tgsi_iterate.h73
2 files changed, 155 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_iterate.c b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.c
new file mode 100644
index 0000000000..43d7a6b1d5
--- /dev/null
+++ b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.c
@@ -0,0 +1,82 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "pipe/p_debug.h"
+#include "tgsi_iterate.h"
+
+boolean
+tgsi_iterate_shader(
+ const struct tgsi_token *tokens,
+ struct tgsi_iterate_context *ctx )
+{
+ struct tgsi_parse_context parse;
+
+ if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK)
+ return FALSE;
+
+ if (ctx->prolog)
+ if (!ctx->prolog( ctx ))
+ goto fail;
+
+ while (!tgsi_parse_end_of_tokens( &parse )) {
+ tgsi_parse_token( &parse );
+
+ switch (parse.FullToken.Token.Type) {
+ case TGSI_TOKEN_TYPE_INSTRUCTION:
+ if (ctx->iterate_instruction)
+ if (!ctx->iterate_instruction( ctx, &parse.FullToken.FullInstruction ))
+ goto fail;
+ break;
+
+ case TGSI_TOKEN_TYPE_DECLARATION:
+ if (ctx->iterate_declaration)
+ if (!ctx->iterate_declaration( ctx, &parse.FullToken.FullDeclaration ))
+ goto fail;
+ break;
+
+ case TGSI_TOKEN_TYPE_IMMEDIATE:
+ if (ctx->iterate_immediate)
+ if (!ctx->iterate_immediate( ctx, &parse.FullToken.FullImmediate ))
+ goto fail;
+ break;
+
+ default:
+ assert( 0 );
+ }
+ }
+
+ if (ctx->epilog)
+ if (!ctx->epilog( ctx ))
+ goto fail;
+
+ tgsi_parse_free( &parse );
+ return TRUE;
+
+fail:
+ tgsi_parse_free( &parse );
+ return FALSE;
+}
diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_iterate.h b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.h
new file mode 100644
index 0000000000..18729c2d1a
--- /dev/null
+++ b/src/gallium/auxiliary/tgsi/util/tgsi_iterate.h
@@ -0,0 +1,73 @@
+/**************************************************************************
+ *
+ * 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_ITERATE_H
+#define TGSI_ITERATE_H
+
+#include "pipe/p_shader_tokens.h"
+#include "tgsi/util/tgsi_parse.h"
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+struct tgsi_iterate_context
+{
+ boolean
+ (* prolog)(
+ struct tgsi_iterate_context *ctx );
+
+ boolean
+ (* iterate_instruction)(
+ struct tgsi_iterate_context *ctx,
+ struct tgsi_full_instruction *inst );
+
+ boolean
+ (* iterate_declaration)(
+ struct tgsi_iterate_context *ctx,
+ struct tgsi_full_declaration *decl );
+
+ boolean
+ (* iterate_immediate)(
+ struct tgsi_iterate_context *ctx,
+ struct tgsi_full_immediate *imm );
+
+ boolean
+ (* epilog)(
+ struct tgsi_iterate_context *ctx );
+};
+
+boolean
+tgsi_iterate_shader(
+ const struct tgsi_token *tokens,
+ struct tgsi_iterate_context *ctx );
+
+#if defined __cplusplus
+}
+#endif
+
+#endif /* TGSI_ITERATE_H */