Merge branch 'gallium-userbuf'

Conflicts:
	src/gallium/docs/source/screen.rst
	src/gallium/drivers/nv50/nv50_state.c
	src/gallium/include/pipe/p_defines.h
	src/mesa/state_tracker/st_draw.c

3 files changed, 28 insertions, 9 deletions

diff --git a/src/gallium/drivers/nv30/nv30_draw.c b/src/gallium/drivers/nv30/nv30_draw.c
index 61e324606f2..29e63953838 100644
--- a/src/gallium/drivers/nv30/nv30_draw.c
+++ b/src/gallium/drivers/nv30/nv30_draw.c
@@ -366,7 +366,7 @@ nv30_render_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
 {
    struct nv30_context *nv30 = nv30_context(pipe);
    struct draw_context *draw = nv30->draw;
-   struct pipe_transfer *transfer[PIPE_MAX_ATTRIBS];
+   struct pipe_transfer *transfer[PIPE_MAX_ATTRIBS] = {NULL};
    struct pipe_transfer *transferi = NULL;
    int i;
 
@@ -403,14 +403,18 @@ nv30_render_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
    }
 
    for (i = 0; i < nv30->num_vtxbufs; i++) {
-      void *map = pipe_buffer_map(pipe, nv30->vtxbuf[i].buffer,
+      const void *map = nv30->vtxbuf[i].user_buffer;
+      if (!map)
+         map = pipe_buffer_map(pipe, nv30->vtxbuf[i].buffer,
                                   PIPE_TRANSFER_UNSYNCHRONIZED |
                                   PIPE_TRANSFER_READ, &transfer[i]);
       draw_set_mapped_vertex_buffer(draw, i, map);
    }
 
    if (info->indexed) {
-      void *map = pipe_buffer_map(pipe, nv30->idxbuf.buffer,
+      const void *map = nv30->idxbuf.user_buffer;
+      if (!map)
+         pipe_buffer_map(pipe, nv30->idxbuf.buffer,
                                   PIPE_TRANSFER_UNSYNCHRONIZED |
                                   PIPE_TRANSFER_READ, &transferi);
       draw_set_index_buffer(draw, &nv30->idxbuf);
@@ -422,10 +426,11 @@ nv30_render_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
    draw_vbo(draw, info);
    draw_flush(draw);
 
-   if (info->indexed)
+   if (info->indexed && transferi)
       pipe_buffer_unmap(pipe, transferi);
    for (i = 0; i < nv30->num_vtxbufs; i++)
-      pipe_buffer_unmap(pipe, transfer[i]);
+      if (transfer[i])
+         pipe_buffer_unmap(pipe, transfer[i]);
 
    nv30->draw_dirty = 0;
    nv30_state_release(nv30);
diff --git a/src/gallium/drivers/nv30/nv30_screen.c b/src/gallium/drivers/nv30/nv30_screen.c
index d355f749a09..c3e50a58316 100644
--- a/src/gallium/drivers/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nv30/nv30_screen.c
@@ -78,8 +78,13 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
-   case PIPE_CAP_USER_VERTEX_BUFFERS:
+   case PIPE_CAP_USER_CONSTANT_BUFFERS:
       return 1;
+   case PIPE_CAP_USER_INDEX_BUFFERS:
+   case PIPE_CAP_USER_VERTEX_BUFFERS:
+      return 0;
+   case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
+      return 16;
    /* nv4x capabilities */
    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
    case PIPE_CAP_NPOT_TEXTURES:
diff --git a/src/gallium/drivers/nv30/nv30_state.c b/src/gallium/drivers/nv30/nv30_state.c
index 64a8f33d466..f65c8b71fdd 100644
--- a/src/gallium/drivers/nv30/nv30_state.c
+++ b/src/gallium/drivers/nv30/nv30_state.c
@@ -317,11 +317,18 @@ nv30_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
 
 static void
 nv30_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
-                         struct pipe_resource *buf)
+                         struct pipe_constant_buffer *cb)
 {
    struct nv30_context *nv30 = nv30_context(pipe);
+   struct pipe_resource *buf = cb ? cb->buffer : NULL;
    unsigned size;
 
+   if (cb && cb->user_buffer) {
+      buf = nouveau_user_buffer_create(pipe->screen, cb->user_buffer,
+                                       cb->buffer_size,
+                                       PIPE_BIND_CONSTANT_BUFFER);
+   }
+
    size = 0;
    if (buf)
       size = buf->width0 / (4 * sizeof(float));
@@ -336,6 +343,10 @@ nv30_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
       nv30->fragprog.constbuf_nr = size;
       nv30->dirty |= NV30_NEW_FRAGCONST;
    }
+
+   if (cb && cb->user_buffer) {
+      pipe_resource_reference(&buf, NULL);
+   }
 }
 
 static void
@@ -442,6 +453,4 @@ nv30_state_init(struct pipe_context *pipe)
 
    pipe->set_vertex_buffers = nv30_set_vertex_buffers;
    pipe->set_index_buffer = nv30_set_index_buffer;
-
-   pipe->redefine_user_buffer = u_default_redefine_user_buffer;
 }