gallium: add usage parameter to pipe_buffer_create

And set a reasonable buffer usage flag everywhere instead of
just PIPE_USAGE_DEFAULT.

14 files changed, 24 insertions, 5 deletions

diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index f07ae2a84d5..76bd7ace526 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -199,6 +199,7 @@ get_next_slot( struct blit_state *ctx )
    if (!ctx->vbuf) {
       ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
                                      PIPE_BIND_VERTEX_BUFFER,
+                                     PIPE_USAGE_STREAM,
                                      max_slots * sizeof ctx->vertices);
    }
    
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index d6f1f520859..3b6342ad8d1 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1350,6 +1350,7 @@ get_next_slot(struct gen_mipmap_state *ctx)
    if (!ctx->vbuf) {
       ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
                                      PIPE_BIND_VERTEX_BUFFER,
+                                     PIPE_USAGE_STREAM,
                                      max_slots * sizeof ctx->vertices);
    }
    
diff --git a/src/gallium/auxiliary/util/u_index_modify.c b/src/gallium/auxiliary/util/u_index_modify.c
index fda396ba094..d0a28b5fdfa 100644
--- a/src/gallium/auxiliary/util/u_index_modify.c
+++ b/src/gallium/auxiliary/util/u_index_modify.c
@@ -65,6 +65,7 @@ void util_shorten_ubyte_elts(struct pipe_context *context,
 
     new_elts = pipe_buffer_create(context->screen,
                                   PIPE_BIND_INDEX_BUFFER,
+                                  PIPE_USAGE_STATIC,
                                   2 * count);
 
     out_map = pipe_buffer_map(context, new_elts, PIPE_TRANSFER_WRITE,
@@ -116,6 +117,7 @@ void util_rebuild_ushort_elts(struct pipe_context *context,
 
     new_elts = pipe_buffer_create(context->screen,
                                   PIPE_BIND_INDEX_BUFFER,
+                                  PIPE_USAGE_STATIC,
                                   2 * count);
 
     out_map = pipe_buffer_map(context, new_elts,
@@ -167,6 +169,7 @@ void util_rebuild_uint_elts(struct pipe_context *context,
 
     new_elts = pipe_buffer_create(context->screen,
                                   PIPE_BIND_INDEX_BUFFER,
+                                  PIPE_USAGE_STATIC,
                                   2 * count);
 
     out_map = pipe_buffer_map(context, new_elts,
diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h
index 01883271d6a..98889fb70ac 100644
--- a/src/gallium/auxiliary/util/u_inlines.h
+++ b/src/gallium/auxiliary/util/u_inlines.h
@@ -182,6 +182,7 @@ pipe_surface_equal(struct pipe_surface *s1, struct pipe_surface *s2)
 static INLINE struct pipe_resource *
 pipe_buffer_create( struct pipe_screen *screen,
 		    unsigned bind,
+		    unsigned usage,
 		    unsigned size )
 {
    struct pipe_resource buffer;
@@ -189,7 +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;
diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index 69b11f9bb77..dcf800a1e8e 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -121,6 +121,7 @@ u_upload_alloc_buffer( struct u_upload_mgr *upload,
 
    upload->buffer = pipe_buffer_create( upload->pipe->screen,
                                         upload->bind,
+                                        PIPE_USAGE_STREAM,
                                         size );
    if (upload->buffer == NULL) 
       goto fail;
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index cdca74e660d..7dc8ff08fa4 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -931,6 +931,7 @@ static boolean r300_render_allocate_vertices(struct vbuf_render* render,
 	pipe_resource_reference(&r300->vbo, NULL);
         r300->vbo = pipe_buffer_create(screen,
 				       PIPE_BIND_VERTEX_BUFFER,
+				       PIPE_USAGE_STREAM,
 				       R300_MAX_DRAW_VBO_SIZE);
         r300->draw_vbo_offset = 0;
         r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE;
diff --git a/src/gallium/drivers/svga/svga_draw_arrays.c b/src/gallium/drivers/svga/svga_draw_arrays.c
index be0e7abe21b..a6518042eb9 100644
--- a/src/gallium/drivers/svga/svga_draw_arrays.c
+++ b/src/gallium/drivers/svga/svga_draw_arrays.c
@@ -53,6 +53,7 @@ static enum pipe_error generate_indices( struct svga_hwtnl *hwtnl,
 
    dst = pipe_buffer_create( pipe->screen, 
 			     PIPE_BIND_INDEX_BUFFER, 
+			     PIPE_USAGE_STATIC,
 			     size );
    if (dst == NULL)
       goto fail;
diff --git a/src/gallium/drivers/svga/svga_draw_elements.c b/src/gallium/drivers/svga/svga_draw_elements.c
index 83527c6ef49..7d420c6b295 100644
--- a/src/gallium/drivers/svga/svga_draw_elements.c
+++ b/src/gallium/drivers/svga/svga_draw_elements.c
@@ -56,6 +56,7 @@ translate_indices( struct svga_hwtnl *hwtnl,
 
    dst = pipe_buffer_create( pipe->screen, 
 			     PIPE_BIND_INDEX_BUFFER, 
+			     PIPE_USAGE_STATIC,
 			     size );
    if (dst == NULL)
       goto fail;
diff --git a/src/gallium/drivers/svga/svga_swtnl_backend.c b/src/gallium/drivers/svga/svga_swtnl_backend.c
index 087f2d08540..ac9d637f8cb 100644
--- a/src/gallium/drivers/svga/svga_swtnl_backend.c
+++ b/src/gallium/drivers/svga/svga_swtnl_backend.c
@@ -87,12 +87,14 @@ svga_vbuf_render_allocate_vertices( struct vbuf_render *render,
       svga_render->vbuf_size = MAX2(size, svga_render->vbuf_alloc_size);
       svga_render->vbuf = pipe_buffer_create(screen,
                                              PIPE_BIND_VERTEX_BUFFER,
+                                             PIPE_USAGE_STREAM,
                                              svga_render->vbuf_size);
       if(!svga_render->vbuf) {
          svga_context_flush(svga, NULL);
          assert(!svga_render->vbuf);
          svga_render->vbuf = pipe_buffer_create(screen,
                                                 PIPE_BIND_VERTEX_BUFFER,
+                                                PIPE_USAGE_STREAM,
                                                 svga_render->vbuf_size);
          assert(svga_render->vbuf);
       }
@@ -262,6 +264,7 @@ svga_vbuf_render_draw_elements( struct vbuf_render *render,
       svga_render->ibuf_size = MAX2(size, svga_render->ibuf_alloc_size);
       svga_render->ibuf = pipe_buffer_create(screen,
                                              PIPE_BIND_INDEX_BUFFER,
+                                             PIPE_USAGE_STREAM,
                                              svga_render->ibuf_size);
       svga_render->ibuf_offset = 0;
    }
diff --git a/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp b/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp
index 61cf2ddd9df..2e45f3f43e9 100644
--- a/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp
+++ b/src/gallium/state_trackers/d3d1x/dxgi/src/dxgi_native.cpp
@@ -794,7 +794,8 @@ struct dxgi_blitter
 		const unsigned semantic_indices[] = { 0, 0 };
 		vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names, semantic_indices);
 
-		vbuf.buffer = pipe_buffer_create(pipe->screen, PIPE_BIND_VERTEX_BUFFER, sizeof(quad_data));
+		vbuf.buffer = pipe_buffer_create(pipe->screen, PIPE_BIND_VERTEX_BUFFER,
+						 PIPE_USAGE_STREAM, sizeof(quad_data));
 		vbuf.buffer_offset = 0;
 		vbuf.stride = 4 * sizeof(float);
 		pipe_buffer_write(pipe, vbuf.buffer, 0, sizeof(quad_data), quad_data);
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
index 952b12356a4..9de2cb1014d 100644
--- a/src/gallium/state_trackers/vega/renderer.c
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -174,6 +174,7 @@ static void renderer_set_mvp(struct renderer *renderer,
    pipe_resource_reference(&cbuf, NULL);
    cbuf = pipe_buffer_create(renderer->pipe->screen,
                              PIPE_BIND_CONSTANT_BUFFER,
+                             PIPE_USAGE_STATIC,
                              sizeof(consts));
    if (cbuf) {
       pipe_buffer_write(renderer->pipe, cbuf,
@@ -474,7 +475,8 @@ static void renderer_set_custom_fs(struct renderer *renderer,
          pipe_resource_reference(&cbuf, NULL);
 
          cbuf = pipe_buffer_create(renderer->pipe->screen,
-               PIPE_BIND_CONSTANT_BUFFER, const_buffer_len);
+               PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC,
+               const_buffer_len);
          pipe_buffer_write(renderer->pipe, cbuf, 0,
                const_buffer_len, const_buffer);
          renderer->pipe->set_constant_buffer(renderer->pipe,
diff --git a/src/gallium/state_trackers/xorg/xorg_renderer.c b/src/gallium/state_trackers/xorg/xorg_renderer.c
index 7c6b6c05dae..3b3ae455c0b 100644
--- a/src/gallium/state_trackers/xorg/xorg_renderer.c
+++ b/src/gallium/state_trackers/xorg/xorg_renderer.c
@@ -429,6 +429,7 @@ void renderer_set_constants(struct xorg_renderer *r,
    pipe_resource_reference(cbuf, NULL);
    *cbuf = pipe_buffer_create(r->pipe->screen,
                               PIPE_BIND_CONSTANT_BUFFER,
+                              PIPE_USAGE_STATIC,
                               param_bytes);
 
    if (*cbuf) {
diff --git a/src/gallium/tests/trivial/quad-tex.c b/src/gallium/tests/trivial/quad-tex.c
index 92c5b4dbb18..af93e09d8d4 100644
--- a/src/gallium/tests/trivial/quad-tex.c
+++ b/src/gallium/tests/trivial/quad-tex.c
@@ -129,7 +129,8 @@ static void init_prog(struct program *p)
 			}
 		};
 
-		p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER, sizeof(vertices));
+		p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER,
+					     PIPE_USAGE_STATIC, sizeof(vertices));
 		pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(vertices), vertices);
 	}
 
diff --git a/src/gallium/tests/trivial/tri.c b/src/gallium/tests/trivial/tri.c
index 37c1573051f..b89cfe0d989 100644
--- a/src/gallium/tests/trivial/tri.c
+++ b/src/gallium/tests/trivial/tri.c
@@ -120,7 +120,8 @@ static void init_prog(struct program *p)
 			}
 		};
 
-		p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER, sizeof(vertices));
+		p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER,
+					     PIPE_USAGE_STATIC, sizeof(vertices));
 		pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(vertices), vertices);
 	}