From 693fac8ae2e5812265222b1335695bd33b90bd8a Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Tue, 24 Feb 2009 11:30:25 +0000 Subject: gallium: Add pipe_buffer_write/read inlines. Saves code, and will simplify future interface changes. --- src/gallium/include/pipe/p_inlines.h | 38 ++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'src/gallium/include') diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h index ffbe2d7612a..4eb928d882f 100644 --- a/src/gallium/include/pipe/p_inlines.h +++ b/src/gallium/include/pipe/p_inlines.h @@ -161,6 +161,44 @@ pipe_buffer_unmap(struct pipe_screen *screen, screen->buffer_unmap(screen, buf); } +static INLINE void +pipe_buffer_write(struct pipe_screen *screen, + struct pipe_buffer *buf, + unsigned offset, unsigned size, + const void *data) +{ + uint8_t *map; + + assert(offset < buf->size); + assert(offset + size <= buf->size); + + map = pipe_buffer_map(screen, buf, PIPE_BUFFER_USAGE_CPU_WRITE); + assert(map); + if(map) { + memcpy(map + offset, data, size); + pipe_buffer_unmap(screen, buf); + } +} + +static INLINE void +pipe_buffer_read(struct pipe_screen *screen, + struct pipe_buffer *buf, + unsigned offset, unsigned size, + void *data) +{ + uint8_t *map; + + assert(offset < buf->size); + assert(offset + size <= buf->size); + + map = pipe_buffer_map(screen, buf, PIPE_BUFFER_USAGE_CPU_READ); + assert(map); + if(map) { + memcpy(data, map + offset, size); + pipe_buffer_unmap(screen, buf); + } +} + /* XXX: thread safety issues! */ static INLINE void -- cgit v1.2.3