On 04/13/2012 08:52 AM, nobled wrote:
---
  src/glsl/glcpp/glcpp.c        |    2 +-
  src/glsl/glcpp/glcpp.h        |    4 +++-
  src/glsl/glcpp/pp.c           |    3 ++-
  src/glsl/glsl_parser_extras.h |    2 +-
  src/glsl/linker.cpp           |    2 --
  src/glsl/main.cpp             |    2 +-
  src/glsl/test_optpass.cpp     |    2 +-
  7 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/glsl/glcpp/glcpp.c b/src/glsl/glcpp/glcpp.c
index e461a65..bd6344b 100644
--- a/src/glsl/glcpp/glcpp.c
+++ b/src/glsl/glcpp/glcpp.c
@@ -111,7 +111,7 @@ main (int argc, char *argv[])
        if (shader == NULL)
           return 1;

-       ret = preprocess(ctx,&shader,&info_log, NULL, API_OPENGL);
+       ret = preprocess(ctx,&shader,&info_log, API_OPENGL, NULL);

        printf("%s", shader);
        fprintf(stderr, "%s", info_log);
diff --git a/src/glsl/glcpp/glcpp.h b/src/glsl/glcpp/glcpp.h
index 2d7cad2..0c52077 100644
--- a/src/glsl/glcpp/glcpp.h
+++ b/src/glsl/glcpp/glcpp.h
@@ -160,6 +160,8 @@ typedef struct active_list {
        struct active_list *next;
  } active_list_t;

+struct gl_context;
+
  struct glcpp_parser {
        yyscan_t scanner;
        struct hash_table *defines;
@@ -192,7 +194,7 @@ glcpp_parser_destroy (glcpp_parser_t *parser);

  int
  preprocess(void *ralloc_ctx, const char **shader, char **info_log,
-          const struct gl_extensions *extensions, int api);
+          int api, struct gl_context *glctx);

  /* Functions for writing to the info log */

diff --git a/src/glsl/glcpp/pp.c b/src/glsl/glcpp/pp.c
index b0afed4..7218eeb 100644
--- a/src/glsl/glcpp/pp.c
+++ b/src/glsl/glcpp/pp.c
@@ -146,9 +146,10 @@ remove_line_continuations(glcpp_parser_t *ctx,
const char *shader)

  int
  preprocess(void *ralloc_ctx, const char **shader, char **info_log,
-          const struct gl_extensions *extensions, int api)
+          int api, struct gl_context *glctx)
  {
        int errors;
+       struct gl_extensions *extensions = glctx ?&glctx->Extensions : NULL;

It looks like the only place that can call preprocess with a NULL extension pointer is the standalone preprocessor. I think it would be better to modify that code to pass an empty gl_context with the gl_extensions field cleared to zeros. I think that would simplify this code a bit, and it would eliminate the need to have a separate api parameter (preprocess could just look at the gl_context).

Some helpers like in standalone_scaffolding.cpp might be in order. This would match the way the standalone GLSL compiler works.

As a side comment, we should probably get the glcpp unit tests wired into 'make check'.

        glcpp_parser_t *parser = glcpp_parser_create (extensions, api);
        *shader = remove_line_continuations(parser, *shader);

diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index 1a909c6..10402c9 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -297,7 +297,7 @@ extern "C" {
  #endif

  extern int preprocess(void *ctx, const char **shader, char **info_log,
-                      const struct gl_extensions *extensions, int api);
+                      int api, struct gl_context *glctx);

  extern void _mesa_destroy_shader_compiler(void);
  extern void _mesa_destroy_shader_compiler_caches(void);
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index e2a5ef9..e43ec3a 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -175,10 +175,8 @@ private:
  static void
  linker_msg(gl_shader_program *prog, bool error, const char *fmt, va_list ap)
  {
-
     ralloc_strcat(&prog->InfoLog, error ? "error: " : "warning: ");
     ralloc_vasprintf_append(&prog->InfoLog, fmt, ap);
-

Eh... maybe just don't introduce these whitespace errors in the earlier patch (6/9)? :)

  }


diff --git a/src/glsl/main.cpp b/src/glsl/main.cpp
index d43bf1a..1d509eb 100644
--- a/src/glsl/main.cpp
+++ b/src/glsl/main.cpp
@@ -136,7 +136,7 @@ compile_shader(struct gl_context *ctx, struct
gl_shader *shader)

     const char *source = shader->Source;
     state->error = preprocess(state,&source,&state->info_log,
-                            state->extensions, ctx->API) != 0;
+                            ctx->API, ctx) != 0;

     if (!state->error) {
        _mesa_glsl_lexer_ctor(state, source);
diff --git a/src/glsl/test_optpass.cpp b/src/glsl/test_optpass.cpp
index 6abafb5..0844706 100644
--- a/src/glsl/test_optpass.cpp
+++ b/src/glsl/test_optpass.cpp
@@ -219,7 +219,7 @@ int test_optpass(int argc, char **argv)
        shader->Source = input.c_str();
        const char *source = shader->Source;
        state->error = preprocess(state,&source,&state->info_log,
-                                state->extensions, ctx->API) != 0;
+                                ctx->API, ctx) != 0;

        if (!state->error) {
           _mesa_glsl_lexer_ctor(state, source);

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