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-rw-r--r--src/gallium/auxiliary/util/u_blit.c18
-rw-r--r--src/gallium/auxiliary/util/u_gen_mipmap.c9
-rw-r--r--src/gallium/include/pipe/p_inlines.h38
3 files changed, 44 insertions, 21 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index efc3a874cc2..4cc720269dd 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -199,7 +199,6 @@ static unsigned
setup_vertex_data(struct blit_state *ctx,
float x0, float y0, float x1, float y1, float z)
{
- void *buf;
unsigned offset;
ctx->vertices[0][0][0] = x0;
@@ -228,12 +227,8 @@ setup_vertex_data(struct blit_state *ctx,
offset = get_next_slot( ctx );
- buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
-
- memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
-
- pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+ pipe_buffer_write(ctx->pipe->screen, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
return offset;
}
@@ -249,7 +244,6 @@ setup_vertex_data_tex(struct blit_state *ctx,
float s0, float t0, float s1, float t1,
float z)
{
- void *buf;
unsigned offset;
ctx->vertices[0][0][0] = x0;
@@ -278,12 +272,8 @@ setup_vertex_data_tex(struct blit_state *ctx,
offset = get_next_slot( ctx );
- buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
-
- memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
-
- pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+ pipe_buffer_write(ctx->pipe->screen, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
return offset;
}
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index 90483fcb216..1857a71dd82 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1368,7 +1368,6 @@ get_next_slot(struct gen_mipmap_state *ctx)
static unsigned
set_vertex_data(struct gen_mipmap_state *ctx, float width, float height)
{
- void *buf;
unsigned offset;
ctx->vertices[0][0][0] = 0.0f; /*x*/
@@ -1393,12 +1392,8 @@ set_vertex_data(struct gen_mipmap_state *ctx, float width, float height)
offset = get_next_slot( ctx );
- buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
-
- memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
-
- pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+ pipe_buffer_write(ctx->pipe->screen, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
return offset;
}
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