From aad93402c00ae90274d7abdbb64960d9ae40a0ce Mon Sep 17 00:00:00 2001
From: Timothy Arceri <timothy.arceri@collabora.com>
Date: Mon, 9 Jan 2017 16:13:28 +1100
Subject: [PATCH] mesa: change init subroutine defaults helper to work per
 gl_program

A later patch will result in SSO programs calling this helper
per gl_program rather than per gl_shader_program.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
---
 src/mesa/main/pipelineobj.c | 10 ++++++++--
 src/mesa/main/shaderapi.c   | 30 ++++++++++--------------------
 src/mesa/main/shaderapi.h   |  4 ++--
 3 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/src/mesa/main/pipelineobj.c b/src/mesa/main/pipelineobj.c
index 9651a40dbb8..e777f991589 100644
--- a/src/mesa/main/pipelineobj.c
+++ b/src/mesa/main/pipelineobj.c
@@ -468,8 +468,14 @@ _mesa_bind_pipeline(struct gl_context *ctx,
 
       FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
 
-      for (i = 0; i < MESA_SHADER_STAGES; i++)
-         _mesa_shader_program_init_subroutine_defaults(ctx, ctx->_Shader->CurrentProgram[i]);
+      for (i = 0; i < MESA_SHADER_STAGES; i++) {
+         if (ctx->_Shader->CurrentProgram[i]) {
+            struct gl_linked_shader *sh =
+               ctx->_Shader->CurrentProgram[i]->_LinkedShaders[i];
+            if (sh)
+               _mesa_program_init_subroutine_defaults(ctx, sh->Program);
+         }
+      }
    }
 }
 
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 4c67f9564ab..4ee71dcdcb1 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -1221,8 +1221,15 @@ use_shader_program(struct gl_context *ctx, gl_shader_stage stage,
    if ((shProg != NULL) && (shProg->_LinkedShaders[stage] == NULL))
       shProg = NULL;
 
-   if (shProg)
-      _mesa_shader_program_init_subroutine_defaults(ctx, shProg);
+   if (shProg) {
+      for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
+         struct gl_linked_shader *sh = shProg->_LinkedShaders[i];
+         if (!sh)
+            continue;
+
+         _mesa_program_init_subroutine_defaults(ctx, sh->Program);
+      }
+   }
 
    if (*target != shProg) {
       /* Program is current, flush it */
@@ -2875,7 +2882,7 @@ _mesa_shader_write_subroutine_indices(struct gl_context *ctx,
                                           ctx->_Shader->CurrentProgram[stage]->_LinkedShaders[stage]->Program);
 }
 
-static void
+void
 _mesa_program_init_subroutine_defaults(struct gl_context *ctx,
                                        struct gl_program *p)
 {
@@ -2897,20 +2904,3 @@ _mesa_program_init_subroutine_defaults(struct gl_context *ctx,
       binding->IndexPtr[i] = find_compat_subroutine(p, uni->type);
    }
 }
-
-void
-_mesa_shader_program_init_subroutine_defaults(struct gl_context *ctx,
-                                              struct gl_shader_program *shProg)
-{
-   int i;
-
-   if (!shProg)
-      return;
-
-   for (i = 0; i < MESA_SHADER_STAGES; i++) {
-      if (!shProg->_LinkedShaders[i])
-         continue;
-
-      _mesa_program_init_subroutine_defaults(ctx, shProg->_LinkedShaders[i]->Program);
-   }
-}
diff --git a/src/mesa/main/shaderapi.h b/src/mesa/main/shaderapi.h
index 50929f4483e..06de11ff766 100644
--- a/src/mesa/main/shaderapi.h
+++ b/src/mesa/main/shaderapi.h
@@ -288,8 +288,8 @@ _mesa_PatchParameterfv(GLenum pname, const GLfloat *values);
 
 /* GL_ARB_shader_subroutine */
 void
-_mesa_shader_program_init_subroutine_defaults(struct gl_context *ctx,
-                                              struct gl_shader_program *shProg);
+_mesa_program_init_subroutine_defaults(struct gl_context *ctx,
+                                       struct gl_program *prog);
 
 extern GLint GLAPIENTRY
 _mesa_GetSubroutineUniformLocation(GLuint program, GLenum shadertype,