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| author | marha <marha@users.sourceforge.net> | 2011-04-30 15:25:48 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-04-30 15:25:48 +0000 |
| commit | 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 (patch) | |
| tree | afd1b68edb9a74d5c87e63ea72d04b8301705d82 /mesalib/src/gallium/auxiliary/util/u_transfer.c | |
| parent | c4ae0bb951bfb6061e7f0c492ba03de330137515 (diff) | |
| download | vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.tar.gz vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.tar.bz2 vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.zip | |
Added extra needed files
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_transfer.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_transfer.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_transfer.c b/mesalib/src/gallium/auxiliary/util/u_transfer.c new file mode 100644 index 000000000..772b6d269 --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_transfer.c @@ -0,0 +1,114 @@ +#include "pipe/p_context.h"
+#include "util/u_rect.h"
+#include "util/u_inlines.h"
+#include "util/u_transfer.h"
+#include "util/u_memory.h"
+
+/* One-shot transfer operation with data supplied in a user
+ * pointer. XXX: strides??
+ */
+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)
+{
+ struct pipe_transfer *transfer = NULL;
+ uint8_t *map = NULL;
+ const uint8_t *src_data = data;
+ unsigned i;
+
+ transfer = pipe->get_transfer(pipe,
+ resource,
+ level,
+ usage,
+ box );
+ if (transfer == NULL)
+ goto out;
+
+ map = pipe_transfer_map(pipe, transfer);
+ if (map == NULL)
+ goto out;
+
+ for (i = 0; i < box->depth; i++) {
+ util_copy_rect(map,
+ resource->format,
+ transfer->stride, /* bytes */
+ 0, 0,
+ box->width,
+ box->height,
+ src_data,
+ stride, /* bytes */
+ 0, 0);
+ map += transfer->layer_stride;
+ src_data += layer_stride;
+ }
+
+out:
+ if (map)
+ pipe_transfer_unmap(pipe, transfer);
+
+ if (transfer)
+ pipe_transfer_destroy(pipe, transfer);
+}
+
+
+boolean u_default_resource_get_handle(struct pipe_screen *screen,
+ struct pipe_resource *resource,
+ struct winsys_handle *handle)
+{
+ return FALSE;
+}
+
+
+
+void u_default_transfer_flush_region( struct pipe_context *pipe,
+ struct pipe_transfer *transfer,
+ const struct pipe_box *box)
+{
+ /* This is a no-op implementation, nothing to do.
+ */
+}
+
+struct pipe_transfer * u_default_get_transfer(struct pipe_context *context,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box)
+{
+ struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer);
+ if (transfer == NULL)
+ return NULL;
+
+ transfer->resource = resource;
+ transfer->level = level;
+ transfer->usage = usage;
+ transfer->box = *box;
+
+ /* Note strides are zero, this is ok for buffers, but not for
+ * textures 2d & higher at least.
+ */
+ return transfer;
+}
+
+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)
+{
+ FREE(transfer);
+}
+
+void u_default_redefine_user_buffer(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ unsigned offset,
+ unsigned size)
+{
+ resource->width0 = MAX2(resource->width0, offset + size);
+}
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