cso: add set_index_buffer and draw_vbo passthrough functions

v2: use util_draw_init_info

Reviewed-by: Brian Paul <brianp@vmware.com>

2 files changed, 48 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index 43b8343..9ec7a2a 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -36,6 +36,7 @@
   */
 
 #include "pipe/p_state.h"
+#include "util/u_draw.h"
 #include "util/u_framebuffer.h"
 #include "util/u_inlines.h"
 #include "util/u_math.h"
@@ -1290,3 +1291,37 @@ cso_restore_stream_outputs(struct cso_context *ctx)
    ctx->nr_so_targets = ctx->nr_so_targets_saved;
    ctx->nr_so_targets_saved = 0;
 }
+
+/* drawing */
+
+void
+cso_set_index_buffer(struct cso_context *cso,
+                     const struct pipe_index_buffer *ib)
+{
+   struct pipe_context *pipe = cso->pipe;
+   pipe->set_index_buffer(pipe, ib);
+}
+
+void
+cso_draw_vbo(struct cso_context *cso,
+             const struct pipe_draw_info *info)
+{
+   struct pipe_context *pipe = cso->pipe;
+   pipe->draw_vbo(pipe, info);
+}
+
+void
+cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.min_index = start;
+   info.max_index = start + count - 1;
+
+   cso_draw_vbo(cso, &info);
+}
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.h b/src/gallium/auxiliary/cso_cache/cso_context.h
index 8cc1bbf..d0f8bc2 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.h
+++ b/src/gallium/auxiliary/cso_cache/cso_context.h
@@ -217,6 +217,19 @@ cso_save_vertex_sampler_views(struct cso_context *cso);
 void
 cso_restore_vertex_sampler_views(struct cso_context *cso);
 
+/* drawing */
+
+void
+cso_set_index_buffer(struct cso_context *cso,
+                     const struct pipe_index_buffer *ib);
+
+void
+cso_draw_vbo(struct cso_context *cso,
+             const struct pipe_draw_info *info);
+
+/* helper drawing function */
+void
+cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count);
 
 #ifdef	__cplusplus
 }