nouveau: Very rough cut at gallium winsys + nv40 pipe driver.

1 files changed, 85 insertions, 0 deletions

diff --git a/src/mesa/pipe/nv40/nv40_region.c b/src/mesa/pipe/nv40/nv40_region.c
new file mode 100644
index 0000000000..f62bf89d18
--- /dev/null
+++ b/src/mesa/pipe/nv40/nv40_region.c
@@ -0,0 +1,85 @@
+#include "pipe/p_defines.h"
+#include "pipe/p_winsys.h"
+
+#include "nv40_context.h"
+#include "nv40_dma.h"
+
+static ubyte *
+nv40_region_map(struct pipe_context *pipe, struct pipe_region *region)
+{
+	struct nv40_context *nv40 = (struct nv40_context *)pipe;
+	struct pipe_winsys *ws = nv40->pipe.winsys;
+
+	if (!region->map_refcount++) {
+		region->map = ws->buffer_map(ws, region->buffer,
+					     PIPE_BUFFER_FLAG_WRITE |
+					     PIPE_BUFFER_FLAG_READ);
+	}
+
+	return region->map;
+}
+
+static void
+nv40_region_unmap(struct pipe_context *pipe, struct pipe_region *region)
+{
+	struct nv40_context *nv40 = (struct nv40_context *)pipe;
+	struct pipe_winsys *ws = nv40->pipe.winsys;
+
+	if (!--region->map_refcount) {
+		ws->buffer_unmap(ws, region->buffer);
+		region->map = NULL;
+	}
+}
+
+static void
+nv40_region_data(struct pipe_context *pipe,
+	       struct pipe_region *dst,
+	       unsigned dst_offset,
+	       unsigned dstx, unsigned dsty,
+	       const void *src, unsigned src_pitch,
+	       unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+	struct nv40_context *nv40 = (struct nv40_context *)pipe;
+	struct nouveau_winsys *nvws = nv40->nvws;
+
+	nvws->region_data(nvws->nv, dst, dst_offset, dstx, dsty,
+			  src, src_pitch, srcx, srcy, width, height);
+}
+
+
+static void
+nv40_region_copy(struct pipe_context *pipe, struct pipe_region *dst,
+		 unsigned dst_offset, unsigned dstx, unsigned dsty,
+		 struct pipe_region *src, unsigned src_offset,
+		 unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+	struct nv40_context *nv40 = (struct nv40_context *)pipe;
+	struct nouveau_winsys *nvws = nv40->nvws;
+
+	nvws->region_copy(nvws->nv, dst, dst_offset, dstx, dsty,
+			  src, src_offset, srcx, srcy, width, height);
+}
+
+static void
+nv40_region_fill(struct pipe_context *pipe,
+		 struct pipe_region *dst, unsigned dst_offset,
+		 unsigned dstx, unsigned dsty,
+		 unsigned width, unsigned height, unsigned value)
+{
+	struct nv40_context *nv40 = (struct nv40_context *)pipe;
+	struct nouveau_winsys *nvws = nv40->nvws;
+
+	nvws->region_fill(nvws->nv, dst, dst_offset, dstx, dsty,
+			  width, height, value);
+}
+
+void
+nv40_init_region_functions(struct nv40_context *nv40)
+{
+	nv40->pipe.region_map = nv40_region_map;
+	nv40->pipe.region_unmap = nv40_region_unmap;
+	nv40->pipe.region_data = nv40_region_data;
+	nv40->pipe.region_copy = nv40_region_copy;
+	nv40->pipe.region_fill = nv40_region_fill;
+}
+