diff options
author | José Fonseca <jrfonseca@tungstengraphics.com> | 2007-12-11 01:14:38 +0000 |
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committer | José Fonseca <jrfonseca@tungstengraphics.com> | 2007-12-11 01:14:38 +0000 |
commit | 12363674e5aa39b780020339038186b7715bd4b2 (patch) | |
tree | a7bb56b6ccf37e29000f6ef72fb602908c4c08e1 /src/mesa/pipe/xlib/xm_winsys.c | |
parent | 609538f57c93c6b6166777a329d80c46fef86f0b (diff) |
Add surface storage allocation function to winsys interface.
Diffstat (limited to 'src/mesa/pipe/xlib/xm_winsys.c')
-rw-r--r-- | src/mesa/pipe/xlib/xm_winsys.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/src/mesa/pipe/xlib/xm_winsys.c b/src/mesa/pipe/xlib/xm_winsys.c index b090d8927c..ad31f4498e 100644 --- a/src/mesa/pipe/xlib/xm_winsys.c +++ b/src/mesa/pipe/xlib/xm_winsys.c @@ -388,11 +388,38 @@ round_up(unsigned n, unsigned multiple) return (n + multiple - 1) & ~(multiple - 1); } -static unsigned -xm_surface_pitch(struct pipe_winsys *winsys, unsigned cpp, unsigned width, - unsigned flags) +static int +xm_surface_alloc_storage(struct pipe_winsys *winsys, + struct pipe_surface *surf, + unsigned width, unsigned height, + enum pipe_format format, + unsigned flags) { - return round_up(width, 64 / cpp); + const unsigned alignment = 64; + int ret; + + surf->width = width; + surf->height = height; + surf->format = format; + surf->cpp = pf_get_size(format); + surf->pitch = round_up(width, alignment / surf->cpp); + + assert(!surf->buffer); + surf->buffer = winsys->buffer_create(winsys, alignment, 0, 0); + if(!surf->buffer) + return -1; + + ret = winsys->buffer_data(winsys, + surf->buffer, + surf->pitch * surf->cpp * height, + NULL, + 0); + if(ret) { + winsys->buffer_reference(winsys, &surf->buffer, NULL); + return ret; + } + + return 0; } @@ -401,14 +428,12 @@ xm_surface_pitch(struct pipe_winsys *winsys, unsigned cpp, unsigned width, * renderbuffers, etc. */ static struct pipe_surface * -xm_surface_alloc(struct pipe_winsys *ws, enum pipe_format pipeFormat) +xm_surface_alloc(struct pipe_winsys *ws) { struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); assert(ws); - assert(pipeFormat); - xms->surface.format = pipeFormat; xms->surface.refcount = 1; xms->surface.winsys = ws; @@ -463,8 +488,8 @@ xmesa_get_pipe_winsys(void) ws->buffer_subdata = xm_buffer_subdata; ws->buffer_get_subdata = xm_buffer_get_subdata; - ws->surface_pitch = xm_surface_pitch; ws->surface_alloc = xm_surface_alloc; + ws->surface_alloc_storage = xm_surface_alloc_storage; ws->surface_release = xm_surface_release; ws->flush_frontbuffer = xm_flush_frontbuffer; |