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Diffstat (limited to 'src/gallium/drivers/nouveau/nouveau_buffer.c')
-rw-r--r--src/gallium/drivers/nouveau/nouveau_buffer.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c
index 5c9a44e368a..02bc6f04146 100644
--- a/src/gallium/drivers/nouveau/nouveau_buffer.c
+++ b/src/gallium/drivers/nouveau/nouveau_buffer.c
@@ -2,6 +2,7 @@
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
+#include "util/u_surface.h"
#include "nouveau_screen.h"
#include "nouveau_context.h"
@@ -460,6 +461,39 @@ nouveau_buffer_transfer_unmap(struct pipe_context *pipe,
}
+void
+nouveau_copy_buffer(struct nouveau_context *nv,
+ struct nv04_resource *dst, unsigned dstx,
+ struct nv04_resource *src, unsigned srcx, unsigned size)
+{
+ assert(dst->base.target == PIPE_BUFFER && src->base.target == PIPE_BUFFER);
+
+ if (likely(dst->domain) && likely(src->domain)) {
+ nv->copy_data(nv,
+ dst->bo, dst->offset + dstx, dst->domain,
+ src->bo, src->offset + srcx, src->domain, size);
+
+ dst->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
+ nouveau_fence_ref(nv->screen->fence.current, &dst->fence);
+ nouveau_fence_ref(nv->screen->fence.current, &dst->fence_wr);
+
+ src->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
+ nouveau_fence_ref(nv->screen->fence.current, &src->fence);
+ } else {
+ struct pipe_box src_box;
+ src_box.x = srcx;
+ src_box.y = 0;
+ src_box.z = 0;
+ src_box.width = size;
+ src_box.height = 1;
+ src_box.depth = 1;
+ util_resource_copy_region(&nv->pipe,
+ &dst->base, 0, dstx, 0, 0,
+ &src->base, 0, &src_box);
+ }
+}
+
+
void *
nouveau_resource_map_offset(struct nouveau_context *nv,
struct nv04_resource *res, uint32_t offset,