1 files changed, 39 insertions, 1 deletions

diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 118ed1d284a..1d1ae47374e 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -445,6 +445,35 @@ update_color(struct gl_context *ctx)
    ctx->Color._LogicOpEnabled = _mesa_rgba_logicop_enabled(ctx);
 }
 
+static void
+update_clamp_fragment_color(struct gl_context *ctx)
+{
+   if(ctx->Color.ClampFragmentColor == GL_FIXED_ONLY_ARB)
+      ctx->Color._ClampFragmentColor = !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode;
+   else
+      ctx->Color._ClampFragmentColor = ctx->Color.ClampFragmentColor;
+}
+
+static void
+update_clamp_vertex_color(struct gl_context *ctx)
+{
+   if(ctx->Light.ClampVertexColor == GL_FIXED_ONLY_ARB)
+      ctx->Light._ClampVertexColor = !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode;
+   else
+      ctx->Light._ClampVertexColor = ctx->Light.ClampVertexColor;
+}
+
+static void
+update_clamp_read_color(struct gl_context *ctx)
+{
+   if(ctx->Color.ClampReadColor == GL_FIXED_ONLY_ARB)
+      ctx->Color._ClampReadColor = !ctx->ReadBuffer || !ctx->ReadBuffer->Visual.floatMode;
+   else
+      ctx->Color._ClampReadColor = ctx->Color.ClampReadColor;
+}
+
+
+
 
 /*
  * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
@@ -565,7 +594,7 @@ _mesa_update_state_locked( struct gl_context *ctx )
    if (ctx->FragmentProgram._MaintainTexEnvProgram) {
       prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG |
 		     _NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE |
-		     _NEW_PROGRAM);
+		     _NEW_PROGRAM | _NEW_FRAG_CLAMP);
    }
    if (ctx->VertexProgram._MaintainTnlProgram) {
       prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
@@ -599,6 +628,9 @@ _mesa_update_state_locked( struct gl_context *ctx )
    if (new_state & _NEW_LIGHT)
       _mesa_update_lighting( ctx );
 
+   if (new_state & (_NEW_LIGHT | _NEW_BUFFERS))
+      update_clamp_vertex_color(ctx);
+
    if (new_state & (_NEW_STENCIL | _NEW_BUFFERS))
       _mesa_update_stencil( ctx );
 
@@ -617,6 +649,12 @@ _mesa_update_state_locked( struct gl_context *ctx )
    if (new_state & _NEW_COLOR)
       update_color( ctx );
 
+   if (new_state & (_NEW_COLOR | _NEW_BUFFERS))
+      update_clamp_read_color(ctx);
+
+   if(new_state & (_NEW_FRAG_CLAMP | _NEW_BUFFERS))
+      update_clamp_fragment_color(ctx);
+
 #if 0
    if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
                     | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))