Merge remote-tracking branch 'origin/released'

1 files changed, 20 insertions, 0 deletions

diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index c5c59ebee..e62267394 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -65,6 +65,7 @@
 #include "main/teximage.h"
 #include "main/texparam.h"
 #include "main/texstate.h"
+#include "main/transformfeedback.h"
 #include "main/uniforms.h"
 #include "main/varray.h"
 #include "main/viewport.h"
@@ -180,6 +181,8 @@ struct save_state
 
    /** Miscellaneous (always disabled) */
    GLboolean Lighting;
+   GLboolean RasterDiscard;
+   GLboolean TransformFeedbackNeedsResume;
 };
 
 /**
@@ -422,6 +425,15 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
    memset(save, 0, sizeof(*save));
    save->SavedState = state;
 
+   /* Pausing transform feedback needs to be done early, or else we won't be
+    * able to change other state.
+    */
+   save->TransformFeedbackNeedsResume =
+      ctx->TransformFeedback.CurrentObject->Active &&
+      !ctx->TransformFeedback.CurrentObject->Paused;
+   if (save->TransformFeedbackNeedsResume)
+      _mesa_PauseTransformFeedback();
+
    if (state & MESA_META_ALPHA_TEST) {
       save->AlphaEnabled = ctx->Color.AlphaEnabled;
       save->AlphaFunc = ctx->Color.AlphaFunc;
@@ -702,6 +714,9 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
       save->Lighting = ctx->Light.Enabled;
       if (ctx->Light.Enabled)
          _mesa_set_enable(ctx, GL_LIGHTING, GL_FALSE);
+      save->RasterDiscard = ctx->RasterDiscard;
+      if (ctx->RasterDiscard)
+         _mesa_set_enable(ctx, GL_RASTERIZER_DISCARD, GL_FALSE);
    }
 }
 
@@ -981,6 +996,11 @@ _mesa_meta_end(struct gl_context *ctx)
    if (save->Lighting) {
       _mesa_set_enable(ctx, GL_LIGHTING, GL_TRUE);
    }
+   if (save->RasterDiscard) {
+      _mesa_set_enable(ctx, GL_RASTERIZER_DISCARD, GL_TRUE);
+   }
+   if (save->TransformFeedbackNeedsResume)
+      _mesa_ResumeTransformFeedback();
 }