Fixed double buffering bug when running in X

diff --git a/src/mesa/drivers/ggi/ggimesa.c b/src/mesa/drivers/ggi/ggimesa.c
index 5c5fd301721bbbdf5679bf5dd38b8347f3d15ed2..7983c930c8f92ead85fcb531c990bd4ebd4325c6 100644 (file)
--- a/src/mesa/drivers/ggi/ggimesa.c
+++ b/src/mesa/drivers/ggi/ggimesa.c
@@ -373,7 +373,8 @@ int GGIMesaSetVisual(GGIMesaContext ctx, ggi_visual_t vis,
        }
        
        /* FIXME: Use separate buffers */
-       ctx->lfb[1] = ctx->lfb[0];
+       ctx->lfb[1] = malloc(ctx->stride * ctx->height);
+       ctx->bufsize = (ctx->stride * ctx->height);
        
        ctx->gl_ctx->Visual = ctx->gl_vis;
        ctx->gl_ctx->Pixel.ReadBuffer = 
@@ -424,13 +425,12 @@ GGIMesaContext GGIMesaGetCurrentContext(void)
  */
 void GGIMesaSwapBuffers(void)
 {
+       gl_ggiDEBUG("GGIMesaSwapBuffers\n");
        FLUSH_VB(GGIMesa->gl_ctx, "swap buffers");
+       gl_ggiFlush(GGIMesa->gl_ctx);
        if (GGIMesa->gl_vis->DBflag)
        {
-               void *buftemp;
-               buftemp = GGIMesa->lfb[0];
-               GGIMesa->lfb[0] = GGIMesa->lfb[1];
-               GGIMesa->lfb[1] = buftemp;
+               memcpy(GGIMesa->lfb[0], GGIMesa->lfb[1], GGIMesa->bufsize);
        }
 }