diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_inlines.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_inlines.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h index b4870bce981..98889fb70ac 100644 --- a/src/gallium/auxiliary/util/u_inlines.h +++ b/src/gallium/auxiliary/util/u_inlines.h @@ -160,6 +160,21 @@ pipe_surface_init(struct pipe_context *ctx, struct pipe_surface* ps, pipe_surface_reset(ctx, ps, pt, level, layer, flags); } +/* Return true if the surfaces are equal. */ +static INLINE boolean +pipe_surface_equal(struct pipe_surface *s1, struct pipe_surface *s2) +{ + return s1->texture == s2->texture && + s1->format == s2->format && + (s1->texture->target != PIPE_BUFFER || + (s1->u.buf.first_element == s2->u.buf.first_element && + s1->u.buf.last_element == s2->u.buf.last_element)) && + (s1->texture->target == PIPE_BUFFER || + (s1->u.tex.level == s2->u.tex.level && + s1->u.tex.first_layer == s2->u.tex.first_layer && + s1->u.tex.last_layer == s2->u.tex.last_layer)); +} + /* * Convenience wrappers for screen buffer functions. */ @@ -167,6 +182,7 @@ pipe_surface_init(struct pipe_context *ctx, struct pipe_surface* ps, static INLINE struct pipe_resource * pipe_buffer_create( struct pipe_screen *screen, unsigned bind, + unsigned usage, unsigned size ) { struct pipe_resource buffer; @@ -174,7 +190,7 @@ pipe_buffer_create( struct pipe_screen *screen, buffer.target = PIPE_BUFFER; buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */ buffer.bind = bind; - buffer.usage = PIPE_USAGE_DEFAULT; + buffer.usage = usage; buffer.flags = 0; buffer.width0 = size; buffer.height0 = 1; @@ -220,6 +236,7 @@ pipe_buffer_map_range(struct pipe_context *pipe, map = pipe->transfer_map( pipe, *transfer ); if (map == NULL) { pipe->transfer_destroy( pipe, *transfer ); + *transfer = NULL; return NULL; } |