2 files changed, 3 insertions, 6 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 6fea1fa08..fd9507536 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -578,6 +578,7 @@ void st_init_extensions(struct st_context *st)
 
       /* Extensions that only depend on GLSL 1.3. */
       ctx->Extensions.ARB_conservative_depth = GL_TRUE;
+      ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
    } else {
       /* Optional integer support for GLSL 1.2. */
       if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
@@ -595,10 +596,6 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.S3_s3tc = GL_FALSE;
    }
 
-   if (ctx->Const.NativeIntegers) {
-      ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
-   }
-
    if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
                                 PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
 #if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c
index e6664fb7c..9f98298b4 100644
--- a/mesalib/src/mesa/state_tracker/st_program.c
+++ b/mesalib/src/mesa/state_tracker/st_program.c
@@ -569,12 +569,12 @@ st_translate_fragment_program(struct st_context *st,
          case FRAG_ATTRIB_CLIP_DIST0:
             input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
             input_semantic_index[slot] = 0;
-            interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+            interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
             break;
          case FRAG_ATTRIB_CLIP_DIST1:
             input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
             input_semantic_index[slot] = 1;
-            interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+            interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
             break;
             /* In most cases, there is nothing special about these
              * inputs, so adopt a convention to use the generic