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authorBrian Paul <brian.paul@tungstengraphics.com>2008-08-07 10:26:35 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-08-07 13:32:43 -0600
commita78f295f7ca0a93fdaeda559668fda013c2a03b0 (patch)
tree6cf6006bc61e18f122560f9af9b3ad4131113371 /src/mesa
parent1ffd6908d4153d647f8a3bf1ba9fe9d33c206185 (diff)
mesa: glsl: finish up support for precision qualifiers
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/shader/slang/slang_compile.c21
-rw-r--r--src/mesa/shader/slang/slang_compile_variable.h10
2 files changed, 27 insertions, 4 deletions
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index 2a1af39ee0..64c0dad611 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -707,20 +707,33 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O,
precision = *C->I++;
if (!parse_type_specifier(C, O, &type->specifier))
return 0;
+
switch (precision) {
case PRECISION_DEFAULT:
- /* TODO: Grab the default precision for the given type specifier.
- */
+ assert(type->specifier.type < TYPE_SPECIFIER_COUNT);
+ if (type->specifier.type < TYPE_SPECIFIER_COUNT)
+ type->precision = O->default_precision[type->specifier.type];
break;
case PRECISION_LOW:
+ type->precision = SLANG_PREC_LOW;
+ break;
case PRECISION_MEDIUM:
+ type->precision = SLANG_PREC_MEDIUM;
+ break;
case PRECISION_HIGH:
- /* TODO: Translate to mesa representation.
- */
+ type->precision = SLANG_PREC_HIGH;
break;
default:
return 0;
}
+
+#if !FEATURE_es2_glsl
+ if (precision != PRECISION_DEFAULT) {
+ slang_info_log_error(C->L, "precision qualifiers not allowed");
+ return 0;
+ }
+#endif
+
return 1;
}
diff --git a/src/mesa/shader/slang/slang_compile_variable.h b/src/mesa/shader/slang/slang_compile_variable.h
index 9b0f85859a..d81a3d2869 100644
--- a/src/mesa/shader/slang/slang_compile_variable.h
+++ b/src/mesa/shader/slang/slang_compile_variable.h
@@ -51,10 +51,20 @@ slang_type_specifier_type_to_string(slang_type_specifier_type);
+typedef enum slang_type_precision_
+{
+ SLANG_PREC_DEFAULT,
+ SLANG_PREC_LOW,
+ SLANG_PREC_MEDIUM,
+ SLANG_PREC_HIGH
+} slang_type_precision;
+
+
typedef struct slang_fully_specified_type_
{
slang_type_qualifier qualifier;
slang_type_specifier specifier;
+ slang_type_precision precision;
} slang_fully_specified_type;
extern int