Merge commit 'origin/master' into gallium-sampler-view

Conflicts:
	src/gallium/auxiliary/util/u_tile.c
	src/gallium/auxiliary/util/u_tile.h
	src/gallium/drivers/identity/id_context.c
	src/gallium/drivers/llvmpipe/lp_setup.c
	src/gallium/drivers/llvmpipe/lp_setup.h
	src/gallium/drivers/softpipe/sp_tex_tile_cache.c
	src/gallium/include/pipe/p_context.h
	src/mesa/state_tracker/st_cb_bitmap.c
	src/mesa/state_tracker/st_cb_drawpixels.c

4 files changed, 89 insertions, 79 deletions

diff --git a/src/gallium/drivers/identity/id_context.c b/src/gallium/drivers/identity/id_context.c
index ef5b428161c..00a542215ad 100644
--- a/src/gallium/drivers/identity/id_context.c
+++ b/src/gallium/drivers/identity/id_context.c
@@ -747,6 +747,75 @@ identity_sampler_view_destroy(struct pipe_context *pipe,
    free(view);
 }
 
+
+static struct pipe_transfer *
+identity_context_get_tex_transfer(struct pipe_context *_context,
+				  struct pipe_texture *_texture,
+                                 unsigned face,
+                                 unsigned level,
+                                 unsigned zslice,
+                                 enum pipe_transfer_usage usage,
+                                 unsigned x,
+                                 unsigned y,
+                                 unsigned w,
+                                 unsigned h)
+{
+   struct identity_context *id_context = identity_context(_context);
+   struct identity_texture *id_texture = identity_texture(_texture);
+   struct pipe_context *context = id_context->pipe;
+   struct pipe_texture *texture = id_texture->texture;
+   struct pipe_transfer *result;
+
+   result = context->get_tex_transfer(context,
+                                     texture,
+                                     face,
+                                     level,
+                                     zslice,
+                                     usage,
+                                     x,
+                                     y,
+                                     w,
+                                     h);
+
+   if (result)
+      return identity_transfer_create(id_context, id_texture, result);
+   return NULL;
+}
+
+static void
+identity_context_tex_transfer_destroy(struct pipe_context *_pipe,
+                                      struct pipe_transfer *_transfer)
+{
+   identity_transfer_destroy(identity_context(_pipe),
+                             identity_transfer(_transfer));
+}
+
+static void *
+identity_context_transfer_map(struct pipe_context *_context,
+                             struct pipe_transfer *_transfer)
+{
+   struct identity_context *id_context = identity_context(_context);
+   struct identity_transfer *id_transfer = identity_transfer(_transfer);
+   struct pipe_context *context = id_context->pipe;
+   struct pipe_transfer *transfer = id_transfer->transfer;
+
+   return context->transfer_map(context,
+				transfer);
+}
+
+static void
+identity_context_transfer_unmap(struct pipe_context *_context,
+                               struct pipe_transfer *_transfer)
+{
+   struct identity_context *id_context = identity_context(_context);
+   struct identity_transfer *id_transfer = identity_transfer(_transfer);
+   struct pipe_context *context = id_context->pipe;
+   struct pipe_transfer *transfer = id_transfer->transfer;
+
+   context->transfer_unmap(context,
+                          transfer);
+}
+
 struct pipe_context *
 identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
 {
@@ -813,6 +882,10 @@ identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
    id_pipe->base.is_buffer_referenced = identity_is_buffer_referenced;
    id_pipe->base.create_sampler_view = identity_create_sampler_view;
    id_pipe->base.sampler_view_destroy = identity_sampler_view_destroy;
+   id_pipe->base.get_tex_transfer = identity_context_get_tex_transfer;
+   id_pipe->base.tex_transfer_destroy = identity_context_tex_transfer_destroy;
+   id_pipe->base.transfer_map = identity_context_transfer_map;
+   id_pipe->base.transfer_unmap = identity_context_transfer_unmap;
 
    id_pipe->pipe = pipe;
 
diff --git a/src/gallium/drivers/identity/id_objects.c b/src/gallium/drivers/identity/id_objects.c
index 2b1a60c1bf1..d37fb0042e5 100644
--- a/src/gallium/drivers/identity/id_objects.c
+++ b/src/gallium/drivers/identity/id_objects.c
@@ -30,6 +30,7 @@
 
 #include "id_screen.h"
 #include "id_objects.h"
+#include "id_context.h"
 
 struct pipe_buffer *
 identity_buffer_create(struct identity_screen *id_screen,
@@ -142,7 +143,8 @@ identity_surface_destroy(struct identity_surface *id_surface)
 
 
 struct pipe_transfer *
-identity_transfer_create(struct identity_texture *id_texture,
+identity_transfer_create(struct identity_context *id_context,
+			 struct identity_texture *id_texture,
                          struct pipe_transfer *transfer)
 {
    struct identity_transfer *id_transfer;
@@ -159,25 +161,25 @@ identity_transfer_create(struct identity_texture *id_texture,
    memcpy(&id_transfer->base, transfer, sizeof(struct pipe_transfer));
 
    id_transfer->base.texture = NULL;
-   pipe_texture_reference(&id_transfer->base.texture, &id_texture->base);
    id_transfer->transfer = transfer;
+
+   pipe_texture_reference(&id_transfer->base.texture, &id_texture->base);
    assert(id_transfer->base.texture == &id_texture->base);
 
    return &id_transfer->base;
 
 error:
-   transfer->texture->screen->tex_transfer_destroy(transfer);
+   id_context->pipe->tex_transfer_destroy(id_context->pipe, transfer);
    return NULL;
 }
 
 void
-identity_transfer_destroy(struct identity_transfer *id_transfer)
+identity_transfer_destroy(struct identity_context *id_context,
+                          struct identity_transfer *id_transfer)
 {
-   struct identity_screen *id_screen = identity_screen(id_transfer->base.texture->screen);
-   struct pipe_screen *screen = id_screen->screen;
-
    pipe_texture_reference(&id_transfer->base.texture, NULL);
-   screen->tex_transfer_destroy(id_transfer->transfer);
+   id_context->pipe->tex_transfer_destroy(id_context->pipe,
+                                          id_transfer->transfer);
    FREE(id_transfer);
 }
 
diff --git a/src/gallium/drivers/identity/id_objects.h b/src/gallium/drivers/identity/id_objects.h
index b48df83b3ed..9a07ebe8d72 100644
--- a/src/gallium/drivers/identity/id_objects.h
+++ b/src/gallium/drivers/identity/id_objects.h
@@ -35,6 +35,7 @@
 
 #include "id_screen.h"
 
+struct identity_context;
 
 struct identity_buffer
 {
@@ -72,6 +73,7 @@ struct identity_transfer
 {
    struct pipe_transfer base;
 
+   struct pipe_context *pipe;
    struct pipe_transfer *transfer;
 };
 
@@ -203,11 +205,13 @@ void
 identity_surface_destroy(struct identity_surface *id_surface);
 
 struct pipe_transfer *
-identity_transfer_create(struct identity_texture *id_texture,
+identity_transfer_create(struct identity_context *id_context,
+			 struct identity_texture *id_texture,
                          struct pipe_transfer *transfer);
 
 void
-identity_transfer_destroy(struct identity_transfer *id_transfer);
+identity_transfer_destroy(struct identity_context *id_context,
+                          struct identity_transfer *id_transfer);
 
 struct pipe_video_surface *
 identity_video_surface_create(struct identity_screen *id_screen,
diff --git a/src/gallium/drivers/identity/id_screen.c b/src/gallium/drivers/identity/id_screen.c
index b9d0f003d74..419b1465787 100644
--- a/src/gallium/drivers/identity/id_screen.c
+++ b/src/gallium/drivers/identity/id_screen.c
@@ -207,71 +207,6 @@ identity_screen_tex_surface_destroy(struct pipe_surface *_surface)
    identity_surface_destroy(identity_surface(_surface));
 }
 
-static struct pipe_transfer *
-identity_screen_get_tex_transfer(struct pipe_screen *_screen,
-                                 struct pipe_texture *_texture,
-                                 unsigned face,
-                                 unsigned level,
-                                 unsigned zslice,
-                                 enum pipe_transfer_usage usage,
-                                 unsigned x,
-                                 unsigned y,
-                                 unsigned w,
-                                 unsigned h)
-{
-   struct identity_screen *id_screen = identity_screen(_screen);
-   struct identity_texture *id_texture = identity_texture(_texture);
-   struct pipe_screen *screen = id_screen->screen;
-   struct pipe_texture *texture = id_texture->texture;
-   struct pipe_transfer *result;
-
-   result = screen->get_tex_transfer(screen,
-                                     texture,
-                                     face,
-                                     level,
-                                     zslice,
-                                     usage,
-                                     x,
-                                     y,
-                                     w,
-                                     h);
-
-   if (result)
-      return identity_transfer_create(id_texture, result);
-   return NULL;
-}
-
-static void
-identity_screen_tex_transfer_destroy(struct pipe_transfer *_transfer)
-{
-   identity_transfer_destroy(identity_transfer(_transfer));
-}
-
-static void *
-identity_screen_transfer_map(struct pipe_screen *_screen,
-                             struct pipe_transfer *_transfer)
-{
-   struct identity_screen *id_screen = identity_screen(_screen);
-   struct identity_transfer *id_transfer = identity_transfer(_transfer);
-   struct pipe_screen *screen = id_screen->screen;
-   struct pipe_transfer *transfer = id_transfer->transfer;
-
-   return screen->transfer_map(screen,
-                               transfer);
-}
-
-static void
-identity_screen_transfer_unmap(struct pipe_screen *_screen,
-                               struct pipe_transfer *_transfer)
-{
-   struct identity_screen *id_screen = identity_screen(_screen);
-   struct identity_transfer *id_transfer = identity_transfer(_transfer);
-   struct pipe_screen *screen = id_screen->screen;
-   struct pipe_transfer *transfer = id_transfer->transfer;
-
-   screen->transfer_unmap(screen,
-                          transfer);
-}
 
 static struct pipe_buffer *
 identity_screen_buffer_create(struct pipe_screen *_screen,
@@ -488,10 +423,6 @@ identity_screen_create(struct pipe_screen *screen)
    id_screen->base.texture_destroy = identity_screen_texture_destroy;
    id_screen->base.get_tex_surface = identity_screen_get_tex_surface;
    id_screen->base.tex_surface_destroy = identity_screen_tex_surface_destroy;
-   id_screen->base.get_tex_transfer = identity_screen_get_tex_transfer;
-   id_screen->base.tex_transfer_destroy = identity_screen_tex_transfer_destroy;
-   id_screen->base.transfer_map = identity_screen_transfer_map;
-   id_screen->base.transfer_unmap = identity_screen_transfer_unmap;
    id_screen->base.buffer_create = identity_screen_buffer_create;
    id_screen->base.user_buffer_create = identity_screen_user_buffer_create;
    if (screen->buffer_map)