diff --git a/src/mesa/drivers/dri/r200/r200_context.c b/src/mesa/drivers/dri/r200/r200_context.c
index 31910253dd3..8986191c393 100644
--- a/src/mesa/drivers/dri/r200/r200_context.c
+++ b/src/mesa/drivers/dri/r200/r200_context.c
@@ -350,6 +350,8 @@ GLboolean r200CreateContext( const __GLcontextModes *glVisual,
    ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
    ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
 
+   ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
+
    i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures");
 
    /* FIXME: When no memory manager is available we should set this 
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index eedb7b6ed86..7c21efb1ded 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -333,6 +333,10 @@ static void r300InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
 	    driQueryOptioni(&r300->radeon.optionCache, "texture_coord_units");
 	ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureImageUnits,
 		 ctx->Const.MaxTextureCoordUnits);
+	ctx->Const.MaxCombinedTextureImageUnits =
+		ctx->Const.MaxVertexTextureImageUnits +
+		ctx->Const.MaxTextureImageUnits;
+
 
 	ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 	ctx->Const.MaxTextureLodBias = 16.0;
diff --git a/src/mesa/drivers/dri/r600/r600_context.c b/src/mesa/drivers/dri/r600/r600_context.c
index 15f65bae6e3..5b7d7c28ec1 100644
--- a/src/mesa/drivers/dri/r600/r600_context.c
+++ b/src/mesa/drivers/dri/r600/r600_context.c
@@ -249,6 +249,10 @@ static void r600InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
 	ctx->Const.MaxTextureUnits =
 	    MIN2(ctx->Const.MaxTextureImageUnits,
 		 ctx->Const.MaxTextureCoordUnits);
+	ctx->Const.MaxCombinedTextureImageUnits =
+		ctx->Const.MaxVertexTextureImageUnits +
+		ctx->Const.MaxTextureImageUnits;
+
 	ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 	ctx->Const.MaxTextureLodBias = 16.0;
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_context.c b/src/mesa/drivers/dri/radeon/radeon_context.c
index 86c91f19bb8..475e93bc05f 100644
--- a/src/mesa/drivers/dri/radeon/radeon_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_context.c
@@ -279,6 +279,7 @@ r100CreateContext( const __GLcontextModes *glVisual,
 						 "texture_units");
    ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
    ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
+   ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
 
    i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures");