remove some dead code

src/mesa/drivers/dri/i965/intel_context.c

@@ -378,8 +378,6 @@ GLboolean intelInitContext( struct intel_context *intel,
       exit(1);
    }
  
-   _math_matrix_ctr (&intel->ViewportMatrix);
-
    driInitExtensions( ctx, card_extensions, 
 		      GL_TRUE );
 

src/mesa/drivers/dri/i965/intel_context.h

@@ -204,8 +204,6 @@ struct intel_context
 
    /* State for intelvb.c and inteltris.c.
     */
-   GLuint RenderIndex;
-   GLmatrix ViewportMatrix;
    GLenum render_primitive;
    GLenum reduced_primitive;
 

src/mesa/drivers/dri/i965/intel_state.c

@@ -182,39 +182,6 @@ static void intelClearColor(GLcontext *ctx, const GLfloat color[4])
 }
 
 
-static void intelCalcViewport( GLcontext *ctx )
-{
-   struct intel_context *intel = intel_context(ctx);
-   const GLfloat *v = ctx->Viewport._WindowMap.m;
-   GLfloat *m = intel->ViewportMatrix.m;
-   GLint h = 0;
-
-   if (intel->driDrawable) 
-      h = intel->driDrawable->h + SUBPIXEL_Y;
-
-   /* See also intel_translate_vertex.  SUBPIXEL adjustments can be done
-    * via state vars, too.
-    */
-   m[MAT_SX] =   v[MAT_SX];
-   m[MAT_TX] =   v[MAT_TX] + SUBPIXEL_X;
-   m[MAT_SY] = - v[MAT_SY];
-   m[MAT_TY] = - v[MAT_TY] + h;
-   m[MAT_SZ] =   v[MAT_SZ] * intel->depth_scale;
-   m[MAT_TZ] =   v[MAT_TZ] * intel->depth_scale;
-}
-
-static void intelViewport( GLcontext *ctx,
-			  GLint x, GLint y,
-			  GLsizei width, GLsizei height )
-{
-   intelCalcViewport( ctx );
-}
-
-static void intelDepthRange( GLcontext *ctx,
-			    GLclampd nearval, GLclampd farval )
-{
-   intelCalcViewport( ctx );
-}
 
 /* Fallback to swrast for select and feedback.
  */
@@ -228,8 +195,6 @@ static void intelRenderMode( GLcontext *ctx, GLenum mode )
 void intelInitStateFuncs( struct dd_function_table *functions )
 {
    functions->RenderMode = intelRenderMode;
-   functions->Viewport = intelViewport;
-   functions->DepthRange = intelDepthRange;
    functions->ClearColor = intelClearColor;
 }