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path: root/src/gallium/winsys/egl_xlib/sw_winsys.c
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Diffstat (limited to 'src/gallium/winsys/egl_xlib/sw_winsys.c')
-rw-r--r--src/gallium/winsys/egl_xlib/sw_winsys.c70
1 files changed, 14 insertions, 56 deletions
diff --git a/src/gallium/winsys/egl_xlib/sw_winsys.c b/src/gallium/winsys/egl_xlib/sw_winsys.c
index 2fd190da52..a09ad5e8e9 100644
--- a/src/gallium/winsys/egl_xlib/sw_winsys.c
+++ b/src/gallium/winsys/egl_xlib/sw_winsys.c
@@ -161,65 +161,25 @@ buffer_destroy(struct pipe_winsys *pws, struct pipe_buffer *buf)
}
-/**
- * Called via winsys->surface_alloc() to create new surfaces.
- */
-static struct pipe_surface *
-surface_alloc(struct pipe_winsys *ws)
-{
- struct pipe_surface *surf = CALLOC_STRUCT(pipe_surface);
- if (!surf)
- return NULL;
-
- surf->refcount = 1;
- surf->winsys = ws;
-
- return surf;
-}
-
-
-static int
-surface_alloc_storage(struct pipe_winsys *winsys,
- struct pipe_surface *surf,
+static struct pipe_buffer *
+surface_buffer_create(struct pipe_winsys *winsys,
unsigned width, unsigned height,
enum pipe_format format,
- unsigned flags,
- unsigned tex_usage)
+ unsigned usage,
+ unsigned *stride)
{
const unsigned alignment = 64;
+ struct pipe_format_block block;
+ unsigned nblocksx, nblocksy;
- surf->width = width;
- surf->height = height;
- surf->format = format;
- pf_get_block(surf->format, &surf->block);
- surf->nblocksx = pf_get_nblocksx(&surf->block, width);
- surf->nblocksy = pf_get_nblocksy(&surf->block, height);
- surf->stride = round_up(surf->nblocksx * surf->block.size, alignment);
- surf->usage = flags;
-
- assert(!surf->buffer);
- surf->buffer = winsys->buffer_create(winsys, alignment,
- PIPE_BUFFER_USAGE_PIXEL,
- surf->stride * height);
- if(!surf->buffer)
- return -1;
-
- return 0;
-}
-
+ pf_get_block(format, &block);
+ nblocksx = pf_get_nblocksx(&block, width);
+ nblocksy = pf_get_nblocksy(&block, height);
+ *stride = round_up(nblocksx * block.size, alignment);
-static void
-surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
-{
- struct pipe_surface *surf = *s;
- assert(!surf->texture);
- surf->refcount--;
- if (surf->refcount == 0) {
- if (surf->buffer)
- winsys_buffer_reference(winsys, &surf->buffer, NULL);
- free(surf);
- }
- *s = NULL;
+ return winsys->buffer_create(winsys, alignment,
+ usage,
+ *stride * nblocksy);
}
@@ -268,9 +228,7 @@ create_sw_winsys(void)
ws->Base.buffer_unmap = buffer_unmap;
ws->Base.buffer_destroy = buffer_destroy;
- ws->Base.surface_alloc = surface_alloc;
- ws->Base.surface_alloc_storage = surface_alloc_storage;
- ws->Base.surface_release = surface_release;
+ ws->Base.surface_buffer_create = surface_buffer_create;
ws->Base.fence_reference = fence_reference;
ws->Base.fence_signalled = fence_signalled;