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authorCorbin Simpson <MostAwesomeDude@gmail.com>2009-05-20 13:21:17 -0700
committerCorbin Simpson <MostAwesomeDude@gmail.com>2009-05-20 13:21:17 -0700
commit0ba7f762339cbc8be31fe98421b0c9b44c7402fa (patch)
tree73b0f3acc26de0628b88ceeeacc1bdc093ae6b0f /src/gallium/winsys/drm/radeon
parent9e8de1b91136d056ee29e1a448196b5648ac2b3f (diff)
radeon-gallium: Add surface_buffer_create callback.
Diffstat (limited to 'src/gallium/winsys/drm/radeon')
-rw-r--r--src/gallium/winsys/drm/radeon/core/radeon_buffer.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c
index a15487352b..0d0fdc5bd8 100644
--- a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c
+++ b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c
@@ -93,6 +93,29 @@ static struct pipe_buffer *radeon_buffer_user_create(struct pipe_winsys *ws,
return &radeon_buffer->base;
}
+static struct pipe_buffer *radeon_surface_buffer_create(struct pipe_winsys *ws,
+ unsigned width,
+ unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned *stride)
+{
+ struct pipe_format_block block;
+ unsigned nblocksx, nblocksy, size;
+
+ pf_get_block(format, &block);
+
+ nblocksx = pf_get_nblocksx(&block, width);
+ nblocksy = pf_get_nblocksy(&block, height);
+
+ /* Radeons enjoy things in multiples of 32. */
+ /* XXX this can be 32 when POT */
+ *stride = (nblocksx * block.size + 63) & ~63;
+ size = *stride * nblocksy;
+
+ return radeon_buffer_create(ws, 64, usage, size);
+}
+
static void radeon_buffer_del(struct pipe_buffer *buffer)
{
struct radeon_pipe_buffer *radeon_buffer =
@@ -180,10 +203,11 @@ struct radeon_winsys* radeon_pipe_winsys(int fd)
radeon_ws->base.flush_frontbuffer = radeon_flush_frontbuffer;
radeon_ws->base.buffer_create = radeon_buffer_create;
- radeon_ws->base.buffer_destroy = radeon_buffer_del;
radeon_ws->base.user_buffer_create = radeon_buffer_user_create;
+ radeon_ws->base.surface_buffer_create = radeon_surface_buffer_create;
radeon_ws->base.buffer_map = radeon_buffer_map;
radeon_ws->base.buffer_unmap = radeon_buffer_unmap;
+ radeon_ws->base.buffer_destroy = radeon_buffer_del;
radeon_ws->base.fence_reference = radeon_fence_reference;
radeon_ws->base.fence_signalled = radeon_fence_signalled;