1 files changed, 26 insertions, 13 deletions

diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 4a00440ab1..12ce14c5d0 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -36,8 +36,8 @@
 #include "simple_list.h"
 #include "mtypes.h"
 #include "enums.h"
-#include "math/m_matrix.h"
 #include "api_arrayelt.h"
+#include "texstate.h"
 
 
 
@@ -55,46 +55,47 @@
 static void
 client_state(GLcontext *ctx, GLenum cap, GLboolean state)
 {
+   struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
    GLuint flag;
    GLboolean *var;
 
    switch (cap) {
       case GL_VERTEX_ARRAY:
-         var = &ctx->Array.ArrayObj->Vertex.Enabled;
+         var = &arrayObj->Vertex.Enabled;
          flag = _NEW_ARRAY_VERTEX;
          break;
       case GL_NORMAL_ARRAY:
-         var = &ctx->Array.ArrayObj->Normal.Enabled;
+         var = &arrayObj->Normal.Enabled;
          flag = _NEW_ARRAY_NORMAL;
          break;
       case GL_COLOR_ARRAY:
-         var = &ctx->Array.ArrayObj->Color.Enabled;
+         var = &arrayObj->Color.Enabled;
          flag = _NEW_ARRAY_COLOR0;
          break;
       case GL_INDEX_ARRAY:
-         var = &ctx->Array.ArrayObj->Index.Enabled;
+         var = &arrayObj->Index.Enabled;
          flag = _NEW_ARRAY_INDEX;
          break;
       case GL_TEXTURE_COORD_ARRAY:
-         var = &ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled;
+         var = &arrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled;
          flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture);
          break;
       case GL_EDGE_FLAG_ARRAY:
-         var = &ctx->Array.ArrayObj->EdgeFlag.Enabled;
+         var = &arrayObj->EdgeFlag.Enabled;
          flag = _NEW_ARRAY_EDGEFLAG;
          break;
       case GL_FOG_COORDINATE_ARRAY_EXT:
-         var = &ctx->Array.ArrayObj->FogCoord.Enabled;
+         var = &arrayObj->FogCoord.Enabled;
          flag = _NEW_ARRAY_FOGCOORD;
          break;
       case GL_SECONDARY_COLOR_ARRAY_EXT:
-         var = &ctx->Array.ArrayObj->SecondaryColor.Enabled;
+         var = &arrayObj->SecondaryColor.Enabled;
          flag = _NEW_ARRAY_COLOR1;
          break;
 
 #if FEATURE_point_size_array
       case GL_POINT_SIZE_ARRAY_OES:
-         var = &ctx->Array.ArrayObj->PointSize.Enabled;
+         var = &arrayObj->PointSize.Enabled;
          flag = _NEW_ARRAY_POINT_SIZE;
          break;
 #endif
@@ -120,7 +121,7 @@ client_state(GLcontext *ctx, GLenum cap, GLboolean state)
          {
             GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
             ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
-            var = &ctx->Array.ArrayObj->VertexAttrib[n].Enabled;
+            var = &arrayObj->VertexAttrib[n].Enabled;
             flag = _NEW_ARRAY_ATTRIB(n);
          }
          break;
@@ -229,8 +230,7 @@ get_texcoord_unit(GLcontext *ctx)
 static GLboolean
 enable_texture(GLcontext *ctx, GLboolean state, GLbitfield texBit)
 {
-   const GLuint curr = ctx->Texture.CurrentUnit;
-   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
+   struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
    const GLbitfield newenabled = state
       ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit);
 
@@ -942,6 +942,14 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
          ctx->Depth.BoundsTest = state;
          break;
 
+      case GL_DEPTH_CLAMP:
+         if (ctx->Transform.DepthClamp == state)
+            return;
+	 CHECK_EXTENSION(ARB_depth_clamp, cap);
+         FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+	 ctx->Transform.DepthClamp = state;
+	 break;
+
 #if FEATURE_ATI_fragment_shader
       case GL_FRAGMENT_SHADER_ATI:
         CHECK_EXTENSION(ATI_fragment_shader, cap);
@@ -1390,6 +1398,11 @@ _mesa_IsEnabled( GLenum cap )
          CHECK_EXTENSION(EXT_depth_bounds_test);
          return ctx->Depth.BoundsTest;
 
+      /* GL_ARB_depth_clamp */
+      case GL_DEPTH_CLAMP:
+         CHECK_EXTENSION(ARB_depth_clamp);
+         return ctx->Transform.DepthClamp;
+
 #if FEATURE_ATI_fragment_shader
       case GL_FRAGMENT_SHADER_ATI:
 	 CHECK_EXTENSION(ATI_fragment_shader);