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python: Allow writing to buffers.

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This commit is contained in:
José Fonseca
2008-08-10 18:52:00 +01:00
parent e5a606883f
commit a304d27118
3 changed files with 76 additions and 8 deletions
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33
src/gallium/state_trackers/python/st_device.c
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@@ -266,3 +266,36 @@ st_context_create(struct st_device *st_dev)
return st_ctx;
}
void
st_buffer_destroy(struct st_buffer *st_buf)
{
if(st_buf) {
struct pipe_winsys *winsys = st_buf->st_dev->screen->winsys;
pipe_buffer_reference(winsys, &st_buf->buffer, NULL);
FREE(st_buf);
}
}
struct st_buffer *
st_buffer_create(struct st_device *st_dev,
unsigned alignment, unsigned usage, unsigned size)
{
struct pipe_winsys *winsys = st_dev->screen->winsys;
struct st_buffer *st_buf;
st_buf = CALLOC_STRUCT(st_buffer);
if(!st_buf)
return NULL;
st_buf->st_dev = st_dev;
st_buf->buffer = winsys->buffer_create(winsys, alignment, usage, size);
if(!st_buf->buffer)
st_buffer_destroy(st_buf);
return st_buf;
}