Merge branch 'mesa_7_5_branch' into mesa_7_6_branch

2 files changed, 43 insertions, 0 deletions

diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 54a25dfaf07..178b7d0dbaf 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -1474,6 +1474,21 @@ _mesa_link_program(GLcontext *ctx, GLuint program)
    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 
    _slang_link(ctx, program, shProg);
+
+   /* debug code */
+   if (0) {
+      GLuint i;
+
+      _mesa_printf("Link %u shaders in program %u: %s\n",
+                   shProg->NumShaders, shProg->Name,
+                   shProg->LinkStatus ? "Success" : "Failed");
+
+      for (i = 0; i < shProg->NumShaders; i++) {
+         _mesa_printf(" shader %u, type 0x%x\n",
+                      shProg->Shaders[i]->Name,
+                      shProg->Shaders[i]->Type);
+      }
+   }
 }
 
 
diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c
index 169c07f8cea..8f2b40d5dfb 100644
--- a/src/mesa/shader/slang/slang_link.c
+++ b/src/mesa/shader/slang/slang_link.c
@@ -546,6 +546,32 @@ _slang_update_inputs_outputs(struct gl_program *prog)
 
 
 
+/**
+ * Remove extra #version directives from the concatenated source string.
+ * Disable the extra ones by converting first two chars to //, a comment.
+ * This is a bit of hack to work around a preprocessor bug that only
+ * allows one #version directive per source.
+ */
+static void
+remove_extra_version_directives(GLchar *source)
+{
+   GLuint verCount = 0;
+   while (1) {
+      char *ver = _mesa_strstr(source, "#version");
+      if (ver) {
+         verCount++;
+         if (verCount > 1) {
+            ver[0] = '/';
+            ver[1] = '/';
+         }
+         source += 8;
+      }
+      else {
+         break;
+      }
+   }
+}
+
 
 
 /**
@@ -593,6 +619,8 @@ concat_shaders(struct gl_shader_program *shProg, GLenum shaderType)
    _mesa_printf("---NEW CONCATENATED SHADER---:\n%s\n------------\n", source);
    */
 
+   remove_extra_version_directives(source);
+
    newShader = CALLOC_STRUCT(gl_shader);
    newShader->Type = shaderType;
    newShader->Source = source;