diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_transfer.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_transfer.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_transfer.h b/mesalib/src/gallium/auxiliary/util/u_transfer.h new file mode 100644 index 000000000..79e2d13a4 --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_transfer.h @@ -0,0 +1,132 @@ +
+#ifndef U_TRANSFER_H
+#define U_TRANSFER_H
+
+/* Fallback implementations for inline read/writes which just go back
+ * to the regular transfer behaviour.
+ */
+#include "pipe/p_state.h"
+
+struct pipe_context;
+struct winsys_handle;
+
+boolean u_default_resource_get_handle(struct pipe_screen *screen,
+ struct pipe_resource *resource,
+ struct winsys_handle *handle);
+
+void u_default_transfer_inline_write( struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ const void *data,
+ unsigned stride,
+ unsigned layer_stride);
+
+void u_default_transfer_flush_region( struct pipe_context *pipe,
+ struct pipe_transfer *transfer,
+ const struct pipe_box *box);
+
+struct pipe_transfer * u_default_get_transfer(struct pipe_context *context,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box);
+
+void u_default_transfer_unmap( struct pipe_context *pipe,
+ struct pipe_transfer *transfer );
+
+void u_default_transfer_destroy(struct pipe_context *pipe,
+ struct pipe_transfer *transfer);
+
+
+
+/* Useful helper to allow >1 implementation of resource functionality
+ * to exist in a single driver. This is intended to be transitionary!
+ */
+struct u_resource_vtbl {
+
+ boolean (*resource_get_handle)(struct pipe_screen *,
+ struct pipe_resource *tex,
+ struct winsys_handle *handle);
+
+ void (*resource_destroy)(struct pipe_screen *,
+ struct pipe_resource *pt);
+
+ struct pipe_transfer *(*get_transfer)(struct pipe_context *,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *);
+
+ void (*transfer_destroy)(struct pipe_context *,
+ struct pipe_transfer *);
+
+ void *(*transfer_map)( struct pipe_context *,
+ struct pipe_transfer *transfer );
+
+ void (*transfer_flush_region)( struct pipe_context *,
+ struct pipe_transfer *transfer,
+ const struct pipe_box *);
+
+ void (*transfer_unmap)( struct pipe_context *,
+ struct pipe_transfer *transfer );
+
+ void (*transfer_inline_write)( struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ const void *data,
+ unsigned stride,
+ unsigned layer_stride);
+};
+
+
+struct u_resource {
+ struct pipe_resource b;
+ const struct u_resource_vtbl *vtbl;
+};
+
+
+boolean u_resource_get_handle_vtbl(struct pipe_screen *screen,
+ struct pipe_resource *resource,
+ struct winsys_handle *handle);
+
+void u_resource_destroy_vtbl(struct pipe_screen *screen,
+ struct pipe_resource *resource);
+
+struct pipe_transfer *u_get_transfer_vtbl(struct pipe_context *context,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box);
+
+void u_transfer_destroy_vtbl(struct pipe_context *pipe,
+ struct pipe_transfer *transfer);
+
+void *u_transfer_map_vtbl( struct pipe_context *pipe,
+ struct pipe_transfer *transfer );
+
+void u_transfer_flush_region_vtbl( struct pipe_context *pipe,
+ struct pipe_transfer *transfer,
+ const struct pipe_box *box);
+
+void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx,
+ struct pipe_transfer *transfer );
+
+void u_transfer_inline_write_vtbl( struct pipe_context *rm_ctx,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ const void *data,
+ unsigned stride,
+ unsigned layer_stride);
+
+void u_default_redefine_user_buffer(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ unsigned offset,
+ unsigned size);
+
+#endif
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