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authorBrian Paul <brianp@vmware.com>2009-03-19 10:25:24 -0600
committerBrian Paul <brianp@vmware.com>2009-03-19 10:29:13 -0600
commit65fc2ca82a38bc00ae4223124932af6771765041 (patch)
tree07d7a4b23f2e2d86af8131970df47780aa7f040a /src
parenta57d7edf069d1d161a45825021a7cf4d825fb88f (diff)
glsl: change GLSL #pragma initialization
Initialize the shader's pragma settings before calling the compiler. Added pragma "Ignore" fields to allow overriding the #pragma directives found in shader source code.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/mtypes.h3
-rw-r--r--src/mesa/shader/shader_api.c9
-rw-r--r--src/mesa/shader/slang/slang_compile.c4
-rw-r--r--src/mesa/shader/slang/slang_preprocess.c23
4 files changed, 25 insertions, 14 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 3913828533..5293009454 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1956,6 +1956,8 @@ struct gl_query_state
/** Set by #pragma directives */
struct gl_sl_pragmas
{
+ GLboolean IgnoreOptimize; /**< ignore #pragma optimize(on/off) ? */
+ GLboolean IgnoreDebug; /**< ignore #pragma debug(on/off) ? */
GLboolean Optimize; /**< defaults on */
GLboolean Debug; /**< defaults off */
};
@@ -2026,6 +2028,7 @@ struct gl_shader_state
GLboolean EmitComments; /**< Annotated instructions */
void *MemPool;
GLbitfield Flags; /**< Mask of GLSL_x flags */
+ struct gl_sl_pragmas DefaultPragmas; /**< Default #pragma settings */
};
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 9900acc75b..61289db2d2 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -410,6 +410,12 @@ _mesa_init_shader_state(GLcontext * ctx)
ctx->Shader.EmitCondCodes = GL_FALSE;
ctx->Shader.EmitComments = GL_FALSE;
ctx->Shader.Flags = get_shader_flags();
+
+ /* Default pragma settings */
+ ctx->Shader.DefaultPragmas.IgnoreOptimize = GL_FALSE;
+ ctx->Shader.DefaultPragmas.IgnoreDebug = GL_FALSE;
+ ctx->Shader.DefaultPragmas.Optimize = GL_TRUE;
+ ctx->Shader.DefaultPragmas.Debug = GL_FALSE;
}
@@ -1444,6 +1450,9 @@ _mesa_compile_shader(GLcontext *ctx, GLuint shaderObj)
if (!sh)
return;
+ /* set default pragma state for shader */
+ sh->Pragmas = ctx->Shader.DefaultPragmas;
+
/* this call will set the sh->CompileStatus field to indicate if
* compilation was successful.
*/
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index 3f46bfd60d..aa08022869 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -2798,7 +2798,9 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
shader->CompileStatus = success;
if (success) {
- _mesa_optimize_program(ctx, shader->Program);
+ if (shader->Pragmas.Optimize) {
+ _mesa_optimize_program(ctx, shader->Program);
+ }
}
if (ctx->Shader.Flags & GLSL_LOG) {
diff --git a/src/mesa/shader/slang/slang_preprocess.c b/src/mesa/shader/slang/slang_preprocess.c
index 89aaa3a621..ff913ad883 100644
--- a/src/mesa/shader/slang/slang_preprocess.c
+++ b/src/mesa/shader/slang/slang_preprocess.c
@@ -530,14 +530,6 @@ pp_ext_set(pp_ext *self, const char *name, GLboolean enable)
}
-static void
-pp_pragmas_init(struct gl_sl_pragmas *pragmas)
-{
- pragmas->Optimize = GL_TRUE;
- pragmas->Debug = GL_FALSE;
-}
-
-
/**
* Called in response to #pragma. For example, "#pragma debug(on)" would
* call this function as pp_pragma("debug", "on").
@@ -553,10 +545,12 @@ pp_pragma(struct gl_sl_pragmas *pragmas, const char *pragma, const char *param)
if (!param)
return GL_FALSE; /* missing required param */
if (_mesa_strcmp(param, "on") == 0) {
- pragmas->Optimize = GL_TRUE;
+ if (!pragmas->IgnoreOptimize)
+ pragmas->Optimize = GL_TRUE;
}
else if (_mesa_strcmp(param, "off") == 0) {
- pragmas->Optimize = GL_FALSE;
+ if (!pragmas->IgnoreOptimize)
+ pragmas->Optimize = GL_FALSE;
}
else {
return GL_FALSE; /* invalid param */
@@ -566,10 +560,12 @@ pp_pragma(struct gl_sl_pragmas *pragmas, const char *pragma, const char *param)
if (!param)
return GL_FALSE; /* missing required param */
if (_mesa_strcmp(param, "on") == 0) {
- pragmas->Debug = GL_TRUE;
+ if (!pragmas->IgnoreDebug)
+ pragmas->Debug = GL_TRUE;
}
else if (_mesa_strcmp(param, "off") == 0) {
- pragmas->Debug = GL_FALSE;
+ if (!pragmas->IgnoreDebug)
+ pragmas->Debug = GL_FALSE;
}
else {
return GL_FALSE; /* invalid param */
@@ -945,7 +941,6 @@ preprocess_source (slang_string *output, const char *source,
}
pp_state_init (&state, elog, extensions);
- pp_pragmas_init (pragmas);
/* add the predefined symbols to the symbol table */
for (i = 0; predefined[i]; i++) {
@@ -1296,6 +1291,8 @@ error:
* \param output the post-process results
* \param input the input text
* \param elog log to record warnings, errors
+ * \param extensions out extension settings
+ * \param pragmas in/out #pragma settings
* \return GL_TRUE for success, GL_FALSE for error
*/
GLboolean