#include "pipe/p_context.h"
-#include "util/u_rect.h"
+#include "util/u_surface.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)
+void u_default_buffer_subdata(struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned usage, unsigned offset,
+ unsigned size, const void *data)
{
struct pipe_transfer *transfer = NULL;
+ struct pipe_box box;
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;
+
+ assert(!(usage & PIPE_TRANSFER_READ));
+
+ /* the write flag is implicit by the nature of buffer_subdata */
+ usage |= PIPE_TRANSFER_WRITE;
+
+ /* buffer_subdata implicitly discards the rewritten buffer range.
+ * PIPE_TRANSFER_MAP_DIRECTLY supresses that.
+ */
+ if (!(usage & PIPE_TRANSFER_MAP_DIRECTLY)) {
+ if (offset == 0 && size == resource->width0) {
+ usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+ } else {
+ usage |= PIPE_TRANSFER_DISCARD_RANGE;
+ }
}
-out:
- if (map)
- pipe_transfer_unmap(pipe, transfer);
+ u_box_1d(offset, size, &box);
+
+ map = pipe->transfer_map(pipe, resource, 0, usage, &box, &transfer);
+ if (!map)
+ return;
+
+ memcpy(map, data, size);
+ pipe_transfer_unmap(pipe, transfer);
+}
+
+void u_default_texture_subdata(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;
+ const uint8_t *src_data = data;
+ uint8_t *map = NULL;
- if (transfer)
- pipe_transfer_destroy(pipe, transfer);
+ assert(!(usage & PIPE_TRANSFER_READ));
+
+ /* the write flag is implicit by the nature of texture_subdata */
+ usage |= PIPE_TRANSFER_WRITE;
+
+ /* texture_subdata implicitly discards the rewritten buffer range */
+ usage |= PIPE_TRANSFER_DISCARD_RANGE;
+
+ map = pipe->transfer_map(pipe,
+ resource,
+ level,
+ usage,
+ box, &transfer);
+ if (!map)
+ return;
+
+ util_copy_box(map,
+ resource->format,
+ transfer->stride, /* bytes */
+ transfer->layer_stride, /* bytes */
+ 0, 0, 0,
+ box->width,
+ box->height,
+ box->depth,
+ src_data,
+ stride, /* bytes */
+ layer_stride, /* bytes */
+ 0, 0, 0);
+
+ pipe_transfer_unmap(pipe, transfer);
}
-boolean u_default_resource_get_handle(struct pipe_screen *screen,
- struct pipe_resource *resource,
- struct winsys_handle *handle)
+bool u_default_resource_get_handle(UNUSED struct pipe_screen *screen,
+ UNUSED struct pipe_resource *resource,
+ UNUSED 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)
+void u_default_transfer_flush_region(UNUSED struct pipe_context *pipe,
+ UNUSED struct pipe_transfer *transfer,
+ UNUSED 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)
+void u_default_transfer_unmap(UNUSED struct pipe_context *pipe,
+ UNUSED struct pipe_transfer *transfer)
{
- 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;
+static inline struct u_resource *
+u_resource( struct pipe_resource *res )
+{
+ return (struct u_resource *)res;
+}
+
+bool u_resource_get_handle_vtbl(struct pipe_screen *screen,
+ UNUSED struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ struct winsys_handle *handle,
+ UNUSED unsigned usage)
+{
+ struct u_resource *ur = u_resource(resource);
+ return ur->vtbl->resource_get_handle(screen, resource, handle);
+}
+
+void u_resource_destroy_vtbl(struct pipe_screen *screen,
+ struct pipe_resource *resource)
+{
+ struct u_resource *ur = u_resource(resource);
+ ur->vtbl->resource_destroy(screen, resource);
}
-void u_default_transfer_unmap( struct pipe_context *pipe,
- struct pipe_transfer *transfer )
+void *u_transfer_map_vtbl(struct pipe_context *context,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ struct pipe_transfer **transfer)
{
+ struct u_resource *ur = u_resource(resource);
+ return ur->vtbl->transfer_map(context, resource, level, usage, box,
+ transfer);
}
-void u_default_transfer_destroy(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)
{
- FREE(transfer);
+ struct u_resource *ur = u_resource(transfer->resource);
+ ur->vtbl->transfer_flush_region(pipe, transfer, box);
}
-void u_default_redefine_user_buffer(struct pipe_context *ctx,
- struct pipe_resource *resource,
- unsigned offset,
- unsigned size)
+void u_transfer_unmap_vtbl( struct pipe_context *pipe,
+ struct pipe_transfer *transfer )
{
- resource->width0 = MAX2(resource->width0, offset + size);
+ struct u_resource *ur = u_resource(transfer->resource);
+ ur->vtbl->transfer_unmap(pipe, transfer);
}
projects / mesa.git / blobdiff