gallium: support for array textures and related changes

[mesa.git] / src / gallium / drivers / i965 / brw_resource_texture.c

diff --git a/src/gallium/drivers/i965/brw_resource_texture.c b/src/gallium/drivers/i965/brw_resource_texture.c
index 3860d18a7a2f10190d25f26efda9a20b9133bcc8..fded2da38201d3b9893e47884127ecce7c35e567 100644 (file)
--- a/src/gallium/drivers/i965/brw_resource_texture.c
+++ b/src/gallium/drivers/i965/brw_resource_texture.c
@@ -229,8 +229,8 @@ static void brw_texture_destroy(struct pipe_screen *screen,
 
 static unsigned brw_texture_is_referenced( struct pipe_context *pipe,
                                           struct pipe_resource *texture,
-                                          unsigned face, 
-                                          unsigned level )
+                                          unsigned level,
+                                          int layer )
 {
    struct brw_context *brw = brw_context(pipe);
    struct brw_screen *bscreen = brw_screen(pipe->screen);
@@ -246,7 +246,7 @@ static unsigned brw_texture_is_referenced( struct pipe_context *pipe,
    if (bscreen->sws->bo_references( batch_bo, tex->bo ))
       return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
 
-   /* Find any view on this texture for this face/level and see if it
+   /* Find any view on this texture for this level/layer and see if it
     * is referenced:
     */
    for (i = 0; i < 2; i++) {
@@ -254,7 +254,7 @@ static unsigned brw_texture_is_referenced( struct pipe_context *pipe,
          if (surf->bo == tex->bo)
             continue;
 
-         if (surf->id.bits.face != face ||
+         if (!(layer == -1 || surf->id.bits.layer == layer) ||
              surf->id.bits.level != level)
             continue;
          
@@ -274,10 +274,10 @@ static unsigned brw_texture_is_referenced( struct pipe_context *pipe,
 
 static struct pipe_transfer * 
 brw_texture_get_transfer(struct pipe_context *context,
-                         struct pipe_resource *resource,
-                         struct pipe_subresource sr,
-                         unsigned usage,
-                         const struct pipe_box *box)
+                         struct pipe_resource *resource,
+                         unsigned level,
+                         unsigned usage,
+                         const struct pipe_box *box)
 {
    struct brw_texture *tex = brw_texture(resource);
    struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer);
@@ -285,10 +285,11 @@ brw_texture_get_transfer(struct pipe_context *context,
       return NULL;
 
    transfer->resource = resource;
-   transfer->sr = sr;
+   transfer->level = level;
    transfer->usage = usage;
    transfer->box = *box;
    transfer->stride = tex->pitch * tex->cpp;
+   /* FIXME: layer_stride */
 
    return transfer;
 }
@@ -301,24 +302,16 @@ brw_texture_transfer_map(struct pipe_context *pipe,
    struct pipe_resource *resource = transfer->resource;
    struct brw_texture *tex = brw_texture(transfer->resource);
    struct brw_winsys_screen *sws = brw_screen(pipe->screen)->sws;
-   struct pipe_subresource sr = transfer->sr;
    struct pipe_box *box = &transfer->box;
    enum pipe_format format = resource->format;
    unsigned usage = transfer->usage;
    unsigned offset;
    char *map;
 
-   if (resource->target == PIPE_TEXTURE_CUBE) {
-      offset = tex->image_offset[sr.level][sr.face];
-   }
-   else if (resource->target == PIPE_TEXTURE_3D) {
-      offset = tex->image_offset[sr.level][box->z];
-   }
-   else {
-      offset = tex->image_offset[sr.level][0];
-      assert(sr.face == 0);
+   if (resource->target != PIPE_TEXTURE_3D &&
+       resource->target != PIPE_TEXTURE_CUBE)
       assert(box->z == 0);
-   }
+   offset = tex->image_offset[transfer->level][box->z];
 
    map = sws->bo_map(tex->bo, 
                      BRW_DATA_OTHER,