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-rw-r--r--src/glsl/pp/sl_pp_context.c20
-rw-r--r--src/glsl/pp/sl_pp_context.h4
-rw-r--r--src/glsl/pp/sl_pp_token.c4
-rw-r--r--src/glsl/pp/sl_pp_token.h2
4 files changed, 23 insertions, 7 deletions
diff --git a/src/glsl/pp/sl_pp_context.c b/src/glsl/pp/sl_pp_context.c
index 8722376ae52..6d3076b8697 100644
--- a/src/glsl/pp/sl_pp_context.c
+++ b/src/glsl/pp/sl_pp_context.c
@@ -43,14 +43,28 @@ sl_pp_context_destroy(struct sl_pp_context *context)
}
int
-sl_pp_context_add_str(struct sl_pp_context *context,
- const char *str)
+sl_pp_context_add_unique_str(struct sl_pp_context *context,
+ const char *str)
{
unsigned int size;
- unsigned int offset;
+ unsigned int offset = 0;
size = strlen(str) + 1;
+ /* Find out if this is a unique string. */
+ while (offset < context->cstr_pool_len) {
+ const char *str2;
+ unsigned int size2;
+
+ str2 = &context->cstr_pool[offset];
+ size2 = strlen(str2) + 1;
+ if (size == size2 && !memcmp(str, str2, size - 1)) {
+ return offset;
+ }
+
+ offset += size2;
+ }
+
if (context->cstr_pool_len + size > context->cstr_pool_max) {
context->cstr_pool_max = (context->cstr_pool_len + size + 0xffff) & ~0xffff;
context->cstr_pool = realloc(context->cstr_pool, context->cstr_pool_max);
diff --git a/src/glsl/pp/sl_pp_context.h b/src/glsl/pp/sl_pp_context.h
index cb81f73ab9e..56f70777507 100644
--- a/src/glsl/pp/sl_pp_context.h
+++ b/src/glsl/pp/sl_pp_context.h
@@ -46,8 +46,8 @@ void
sl_pp_context_destroy(struct sl_pp_context *context);
int
-sl_pp_context_add_str(struct sl_pp_context *context,
- const char *str);
+sl_pp_context_add_unique_str(struct sl_pp_context *context,
+ const char *str);
const char *
sl_pp_context_cstr(const struct sl_pp_context *context,
diff --git a/src/glsl/pp/sl_pp_token.c b/src/glsl/pp/sl_pp_token.c
index e200b961aaf..68c8fbe2ec4 100644
--- a/src/glsl/pp/sl_pp_token.c
+++ b/src/glsl/pp/sl_pp_token.c
@@ -53,7 +53,7 @@ _tokenise_identifier(struct sl_pp_context *context,
}
identifier[i++] = '\0';
- info->data.identifier = sl_pp_context_add_str(context, identifier);
+ info->data.identifier = sl_pp_context_add_unique_str(context, identifier);
if (info->data.identifier == -1) {
return -1;
}
@@ -91,7 +91,7 @@ _tokenise_number(struct sl_pp_context *context,
}
number[i++] = '\0';
- info->data.number = sl_pp_context_add_str(context, number);
+ info->data.number = sl_pp_context_add_unique_str(context, number);
if (info->data.number == -1) {
return -1;
}
diff --git a/src/glsl/pp/sl_pp_token.h b/src/glsl/pp/sl_pp_token.h
index c801804ae6e..a53720be802 100644
--- a/src/glsl/pp/sl_pp_token.h
+++ b/src/glsl/pp/sl_pp_token.h
@@ -28,6 +28,8 @@
#ifndef SL_PP_TOKEN_H
#define SL_PP_TOKEN_H
+#include "sl_pp_context.h"
+
enum sl_pp_token {
SL_PP_WHITESPACE,