gallium: remove p_screen::surface_buffer_creategallium-no-texture-blanket

This isn't very useful without texture_blanket(), which has also been
removed.

Note that this function hasn't been removed from the old pipe_winsys
(u_simple_screen) still used internally by some drivers (eg softpipe).

6 files changed, 8 insertions, 118 deletions

diff --git a/src/gallium/auxiliary/util/u_simple_screen.c b/src/gallium/auxiliary/util/u_simple_screen.c
index 53f3c16dbc..9203cb6580 100644
--- a/src/gallium/auxiliary/util/u_simple_screen.c
+++ b/src/gallium/auxiliary/util/u_simple_screen.c
@@ -59,22 +59,7 @@ pass_user_buffer_create(struct pipe_screen *screen,
    return buffer;
 }
 
-static struct pipe_buffer *
-pass_surface_buffer_create(struct pipe_screen *screen,
-                           unsigned width, unsigned height,
-                           enum pipe_format format,
-                           unsigned usage,
-                           unsigned tex_usage,
-                           unsigned *stride)
-{
-   struct pipe_buffer *buffer =
-      screen->winsys->surface_buffer_create(screen->winsys, width, height,
-                                            format, usage, tex_usage, stride);
 
-   buffer->screen = screen;
-
-   return buffer;
-}
 
 static void *
 pass_buffer_map(struct pipe_screen *screen,
@@ -135,7 +120,6 @@ u_simple_screen_init(struct pipe_screen *screen)
 {
    screen->buffer_create = pass_buffer_create;
    screen->user_buffer_create = pass_user_buffer_create;
-   screen->surface_buffer_create = pass_surface_buffer_create;
 
    screen->buffer_map = pass_buffer_map;
    screen->buffer_unmap = pass_buffer_unmap;
diff --git a/src/gallium/drivers/identity/id_screen.c b/src/gallium/drivers/identity/id_screen.c
index c7d2a29df2..b9d0f003d7 100644
--- a/src/gallium/drivers/identity/id_screen.c
+++ b/src/gallium/drivers/identity/id_screen.c
@@ -311,31 +311,6 @@ identity_screen_user_buffer_create(struct pipe_screen *_screen,
    return NULL;
 }
 
-static struct pipe_buffer *
-identity_screen_surface_buffer_create(struct pipe_screen *_screen,
-                                      unsigned width,
-                                      unsigned height,
-                                      enum pipe_format format,
-                                      unsigned usage,
-                                      unsigned tex_usage,
-                                      unsigned *stride)
-{
-   struct identity_screen *id_screen = identity_screen(_screen);
-   struct pipe_screen *screen = id_screen->screen;
-   struct pipe_buffer *result;
-
-   result = screen->surface_buffer_create(screen,
-                                          width,
-                                          height,
-                                          format,
-                                          usage,
-                                          tex_usage,
-                                          stride);
-
-   if (result)
-      return identity_buffer_create(id_screen, result);
-   return NULL;
-}
 
 static void *
 identity_screen_buffer_map(struct pipe_screen *_screen,
@@ -519,7 +494,6 @@ identity_screen_create(struct pipe_screen *screen)
    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;
-   id_screen->base.surface_buffer_create = identity_screen_surface_buffer_create;
    if (screen->buffer_map)
       id_screen->base.buffer_map = identity_screen_buffer_map;
    if (screen->buffer_map_range)
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index f84ede675b..05e31c163b 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -238,18 +238,6 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
 }
 
 
-static struct pipe_buffer *
-llvmpipe_surface_buffer_create(struct pipe_screen *screen,
-                               unsigned width, unsigned height,
-                               enum pipe_format format,
-                               unsigned tex_usage,
-                               unsigned usage,
-                               unsigned *stride)
-{
-   /* This function should never be used */
-   assert(0);
-   return NULL;
-}
 
 
 static void
@@ -309,7 +297,6 @@ llvmpipe_create_screen(struct llvmpipe_winsys *winsys)
    screen->base.get_paramf = llvmpipe_get_paramf;
    screen->base.is_format_supported = llvmpipe_is_format_supported;
 
-   screen->base.surface_buffer_create = llvmpipe_surface_buffer_create;
    screen->base.context_create = llvmpipe_create_context;
    screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
 
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index c3429884a7..c0052359fd 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -36,6 +36,7 @@
 #include "util/u_format.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
+#include "util/u_simple_screen.h"
 
 #include "sp_context.h"
 #include "sp_texture.h"
@@ -91,13 +92,13 @@ softpipe_displaytarget_layout(struct pipe_screen *screen,
                      PIPE_BUFFER_USAGE_GPU_READ_WRITE);
    unsigned tex_usage = spt->base.tex_usage;
 
-   spt->buffer = screen->surface_buffer_create( screen, 
-                                                spt->base.width0, 
-                                                spt->base.height0,
-                                                spt->base.format,
-                                                usage,
-                                                tex_usage,
-                                                &spt->stride[0]);
+   spt->buffer = screen->winsys->surface_buffer_create( screen->winsys, 
+                                                        spt->base.width0, 
+                                                        spt->base.height0,
+                                                        spt->base.format,
+                                                        usage,
+                                                        tex_usage,
+                                                        &spt->stride[0]);
 
    return spt->buffer != NULL;
 }
diff --git a/src/gallium/drivers/trace/tr_screen.c b/src/gallium/drivers/trace/tr_screen.c
index 8385823b4b..a15addeb8c 100644
--- a/src/gallium/drivers/trace/tr_screen.c
+++ b/src/gallium/drivers/trace/tr_screen.c
@@ -486,45 +486,7 @@ trace_screen_transfer_unmap(struct pipe_screen *_screen,
  */
 
 
-static struct pipe_buffer *
-trace_screen_surface_buffer_create(struct pipe_screen *_screen,
-                                   unsigned width, unsigned height,
-                                   enum pipe_format format,
-                                   unsigned usage,
-                                   unsigned tex_usage,
-                                   unsigned *pstride)
-{
-   struct trace_screen *tr_scr = trace_screen(_screen);
-   struct pipe_screen *screen = tr_scr->screen;
-   unsigned stride;
-   struct pipe_buffer *result;
-
-   trace_dump_call_begin("pipe_screen", "surface_buffer_create");
-
-   trace_dump_arg(ptr, screen);
-   trace_dump_arg(uint, width);
-   trace_dump_arg(uint, height);
-   trace_dump_arg(format, format);
-   trace_dump_arg(uint, usage);
-   trace_dump_arg(uint, tex_usage);
-
-   result = screen->surface_buffer_create(screen,
-                                          width, height,
-                                          format,
-                                          usage,
-                                          tex_usage,
-                                          pstride);
-
-   stride = *pstride;
-
-   trace_dump_arg(uint, stride);
-
-   trace_dump_ret(ptr, result);
-
-   trace_dump_call_end();
 
-   return trace_buffer_create(tr_scr, result);
-}
 
 
 static struct pipe_buffer *
@@ -944,7 +906,6 @@ trace_screen_create(struct pipe_screen *screen)
    tr_scr->base.transfer_unmap = trace_screen_transfer_unmap;
    tr_scr->base.buffer_create = trace_screen_buffer_create;
    tr_scr->base.user_buffer_create = trace_screen_user_buffer_create;
-   tr_scr->base.surface_buffer_create = trace_screen_surface_buffer_create;
    if (screen->buffer_map)
       tr_scr->base.buffer_map = trace_screen_buffer_map;
    if (screen->buffer_map_range)
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 44b99d5f6f..690455f722 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -196,23 +196,6 @@ struct pipe_screen {
                                              void *ptr,
                                              unsigned bytes);
 
-   /**
-    * Allocate storage for a display target surface.
-    *
-    * Often surfaces which are meant to be blitted to the front screen (i.e.,
-    * display targets) must be allocated with special characteristics, memory
-    * pools, or obtained directly from the windowing system.
-    *
-    * This callback is invoked by the pipe_screenwhen creating a texture marked
-    * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag  to get the underlying
-    * buffer storage.
-    */
-   struct pipe_buffer *(*surface_buffer_create)(struct pipe_screen *screen,
-						unsigned width, unsigned height,
-						enum pipe_format format,
-						unsigned usage,
-						unsigned tex_usage,
-						unsigned *stride);
 
 
    /**