Implement query object interface.

[mesa.git] / src / mesa / main / depth.c

diff --git a/src/mesa/main/depth.c b/src/mesa/main/depth.c
index 9d95500fcade60f4f2772330b4879509c90c1e77..91c036ef9686d5816da45481ccb0a1e5923f0b17 100644 (file)
--- a/src/mesa/main/depth.c
+++ b/src/mesa/main/depth.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
+ * Version:  7.1
  *
- * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -26,8 +26,8 @@
 #include "glheader.h"
 #include "imports.h"
 #include "context.h"
-#include "enums.h"
 #include "depth.h"
+#include "enums.h"
 #include "macros.h"
 #include "mtypes.h"
 
@@ -38,25 +38,26 @@
 
 
 
-void
+void GLAPIENTRY
 _mesa_ClearDepth( GLclampd depth )
 {
    GET_CURRENT_CONTEXT(ctx);
-   GLfloat tmp = (GLfloat) CLAMP( depth, 0.0, 1.0 );
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (ctx->Depth.Clear == tmp)
+   depth = CLAMP( depth, 0.0, 1.0 );
+
+   if (ctx->Depth.Clear == depth)
       return;
 
    FLUSH_VERTICES(ctx, _NEW_DEPTH);
-   ctx->Depth.Clear = tmp;
+   ctx->Depth.Clear = depth;
    if (ctx->Driver.ClearDepth)
       (*ctx->Driver.ClearDepth)( ctx, ctx->Depth.Clear );
 }
 
 
 
-void
+void GLAPIENTRY
 _mesa_DepthFunc( GLenum func )
 {
    GET_CURRENT_CONTEXT(ctx);
@@ -92,7 +93,7 @@ _mesa_DepthFunc( GLenum func )
 
 
 
-void
+void GLAPIENTRY
 _mesa_DepthMask( GLboolean flag )
 {
    GET_CURRENT_CONTEXT(ctx);
@@ -117,8 +118,10 @@ _mesa_DepthMask( GLboolean flag )
 
 
 
-/* GL_EXT_depth_bounds_test */
-void
+/**
+ * Specified by the GL_EXT_depth_bounds_test extension.
+ */
+void GLAPIENTRY
 _mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax )
 {
    GET_CURRENT_CONTEXT(ctx);
@@ -136,7 +139,24 @@ _mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax )
       return;
 
    FLUSH_VERTICES(ctx, _NEW_DEPTH);
-   ctx->Depth.BoundsMin = zmin;
-   ctx->Depth.BoundsMax = zmax;
+   ctx->Depth.BoundsMin = (GLfloat) zmin;
+   ctx->Depth.BoundsMax = (GLfloat) zmax;
 }
 
+
+/**********************************************************************/
+/*****                      Initialization                        *****/
+/**********************************************************************/
+
+
+/**
+ * Initialize the depth buffer attribute group in the given context.
+ */
+void
+_mesa_init_depth(GLcontext *ctx)
+{
+   ctx->Depth.Test = GL_FALSE;
+   ctx->Depth.Clear = 1.0;
+   ctx->Depth.Func = GL_LESS;
+   ctx->Depth.Mask = GL_TRUE;
+}