EnvMode GL_BLEND and tex invalidate changes from Daryll

src/mesa/drivers/glide/fxdd.c

@@ -966,8 +966,14 @@ static GLboolean fxIsInHardware(GLcontext *ctx)
     }
 
     if (ctx->Texture.ReallyEnabled & TEXTURE0_2D) {
-      if (ctx->Texture.Unit[0].EnvMode == GL_BLEND)
+      if (ctx->Texture.Unit[0].EnvMode == GL_BLEND &&
+	  (ctx->Texture.ReallyEnabled & TEXTURE1_2D ||
+	   ctx->Texture.Unit[0].EnvColor[0] != 0 ||
+	   ctx->Texture.Unit[0].EnvColor[1] != 0 ||
+	   ctx->Texture.Unit[0].EnvColor[2] != 0 ||
+	   ctx->Texture.Unit[0].EnvColor[3] != 1)) {
         return GL_FALSE;
+      }
       if (ctx->Texture.Unit[0].Current->Image[0]->Border > 0)
         return GL_FALSE;
     }

src/mesa/drivers/glide/fxddtex.c

@@ -95,9 +95,9 @@ static void fxTexInvalidate(GLcontext *ctx, struct gl_texture_object *tObj)
   fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
   tfxTexInfo *ti;
 
-  fxTMMoveOutTM(fxMesa,tObj); /* TO DO: SLOW but easy to write */
-
   ti=fxTMGetTexInfo(tObj);
+  if (ti->isInTM)   fxTMMoveOutTM(fxMesa,tObj); /* TO DO: SLOW but easy to write */
+
   ti->validated=GL_FALSE;
   fxMesa->new_state|=FX_NEW_TEXTURING;
   ctx->Driver.RenderStart = fxSetupFXUnits;