nvc0: implement transform feedback state

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_context.h b/src/gallium/drivers/nvc0/nvc0_context.h
index 94117988e50..a082ad4575c 100644
--- a/src/gallium/drivers/nvc0/nvc0_context.h
+++ b/src/gallium/drivers/nvc0/nvc0_context.h
@@ -54,6 +54,8 @@
 #define NVC0_NEW_CONSTBUF     (1 << 18)
 #define NVC0_NEW_TEXTURES     (1 << 19)
 #define NVC0_NEW_SAMPLERS     (1 << 20)
+#define NVC0_NEW_TFB          (1 << 21)
+#define NVC0_NEW_TFB_BUFFERS  (1 << 22)
 
 #define NVC0_BUFCTX_CONSTANT 0
 #define NVC0_BUFCTX_FRAME    1
@@ -123,6 +125,11 @@ struct nvc0_context {
    boolean vbo_dirty;
    boolean vbo_push_hint;
 
+   struct nvc0_transform_feedback_state *tfb;
+   struct pipe_resource *tfbbuf[4];
+   unsigned num_tfbbufs;
+   unsigned tfb_offset[4];
+
    struct draw_context *draw;
 };
 
@@ -177,6 +184,8 @@ void nvc0_tevlprog_validate(struct nvc0_context *);
 void nvc0_gmtyprog_validate(struct nvc0_context *);
 void nvc0_fragprog_validate(struct nvc0_context *);
 
+void nvc0_tfb_validate(struct nvc0_context *);
+
 /* nvc0_state.c */
 extern void nvc0_init_state_functions(struct nvc0_context *);