From 5f80218884c0a86068d1be21920bfb191ac31349 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Sun, 11 Mar 2012 18:31:32 -0600
Subject: [PATCH] mesa: remove ctx->Driver.ClearDepth(), ClearStencil() driver
 hooks

Not used by any drivers.  Drivers can easily access the values
from the Mesa context at glClear() time.

Reviewed-by: Dave Airlie <airlied@redhat.com>
---
 src/mesa/drivers/common/driverfuncs.c |  2 --
 src/mesa/main/clear.c                 | 16 ----------------
 src/mesa/main/dd.h                    |  4 ----
 src/mesa/main/depth.c                 |  2 --
 src/mesa/main/stencil.c               |  4 ----
 5 files changed, 28 deletions(-)

diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c
index 1df8381..c0e0297 100644
--- a/src/mesa/drivers/common/driverfuncs.c
+++ b/src/mesa/drivers/common/driverfuncs.c
@@ -132,8 +132,6 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
    driver->BlendEquationSeparate = NULL;
    driver->BlendFuncSeparate = NULL;
    driver->ClearColor = NULL;
-   driver->ClearDepth = NULL;
-   driver->ClearStencil = NULL;
    driver->ClipPlane = NULL;
    driver->ColorMask = NULL;
    driver->ColorMaterial = NULL;
diff --git a/src/mesa/main/clear.c b/src/mesa/main/clear.c
index e4df120..de0a2bb 100644
--- a/src/mesa/main/clear.c
+++ b/src/mesa/main/clear.c
@@ -346,12 +346,8 @@ _mesa_ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint *value)
           */
          const GLuint clearSave = ctx->Stencil.Clear;
          ctx->Stencil.Clear = *value;
-         if (ctx->Driver.ClearStencil)
-            ctx->Driver.ClearStencil(ctx, *value);
          ctx->Driver.Clear(ctx, BUFFER_BIT_STENCIL);
          ctx->Stencil.Clear = clearSave;
-         if (ctx->Driver.ClearStencil)
-            ctx->Driver.ClearStencil(ctx, clearSave);
       }
       break;
    case GL_COLOR:
@@ -521,12 +517,8 @@ _mesa_ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat *value)
           */
          const GLclampd clearSave = ctx->Depth.Clear;
          ctx->Depth.Clear = *value;
-         if (ctx->Driver.ClearDepth)
-            ctx->Driver.ClearDepth(ctx, *value);
          ctx->Driver.Clear(ctx, BUFFER_BIT_DEPTH);
          ctx->Depth.Clear = clearSave;
-         if (ctx->Driver.ClearDepth)
-            ctx->Driver.ClearDepth(ctx, clearSave);
       }
       /* clear depth buffer to value */
       break;
@@ -637,10 +629,6 @@ _mesa_ClearBufferfi(GLenum buffer, GLint drawbuffer,
       /* set new clear values */
       ctx->Depth.Clear = depth;
       ctx->Stencil.Clear = stencil;
-      if (ctx->Driver.ClearDepth)
-         ctx->Driver.ClearDepth(ctx, depth);
-      if (ctx->Driver.ClearStencil)
-         ctx->Driver.ClearStencil(ctx, stencil);
 
       /* clear buffers */
       ctx->Driver.Clear(ctx, mask);
@@ -648,9 +636,5 @@ _mesa_ClearBufferfi(GLenum buffer, GLint drawbuffer,
       /* restore */
       ctx->Depth.Clear = clearDepthSave;
       ctx->Stencil.Clear = clearStencilSave;
-      if (ctx->Driver.ClearDepth)
-         ctx->Driver.ClearDepth(ctx, clearDepthSave);
-      if (ctx->Driver.ClearStencil)
-         ctx->Driver.ClearStencil(ctx, clearStencilSave);
    }
 }
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 9631113..7abf33d 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -560,10 +560,6 @@ struct dd_function_table {
    /** Specify clear values for the color buffers */
    void (*ClearColor)(struct gl_context *ctx,
                       const union gl_color_union color);
-   /** Specify the clear value for the depth buffer */
-   void (*ClearDepth)(struct gl_context *ctx, GLclampd d);
-   /** Specify the clear value for the stencil buffer */
-   void (*ClearStencil)(struct gl_context *ctx, GLint s);
    /** Specify a plane against which all geometry is clipped */
    void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *equation );
    /** Enable and disable writing of frame buffer color components */
diff --git a/src/mesa/main/depth.c b/src/mesa/main/depth.c
index 52c69a6..bb16254 100644
--- a/src/mesa/main/depth.c
+++ b/src/mesa/main/depth.c
@@ -54,8 +54,6 @@ _mesa_ClearDepth( GLclampd depth )
 
    FLUSH_VERTICES(ctx, _NEW_DEPTH);
    ctx->Depth.Clear = depth;
-   if (ctx->Driver.ClearDepth)
-      (*ctx->Driver.ClearDepth)( ctx, ctx->Depth.Clear );
 }
 
 
diff --git a/src/mesa/main/stencil.c b/src/mesa/main/stencil.c
index b6993ff..f47b57b 100644
--- a/src/mesa/main/stencil.c
+++ b/src/mesa/main/stencil.c
@@ -115,10 +115,6 @@ _mesa_ClearStencil( GLint s )
 
    FLUSH_VERTICES(ctx, _NEW_STENCIL);
    ctx->Stencil.Clear = (GLuint) s;
-
-   if (ctx->Driver.ClearStencil) {
-      ctx->Driver.ClearStencil( ctx, s );
-   }
 }
 
 
-- 
2.7.4