diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_buffer.c | 26 |
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 a15487352b2..0d0fdc5bd86 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; |