svga: Fix up for context transfers.

[mesa.git] / src / gallium / drivers / softpipe / sp_texture.c

diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index c0052359fdca0c08799df69905aae0786b496632..da8529c154e9cc7852a9337812d352df8b36a781 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -41,7 +41,8 @@
 #include "sp_context.h"
 #include "sp_texture.h"
 #include "sp_screen.h"
-#include "sp_winsys.h"
+
+#include "state_tracker/sw_winsys.h"
 
 
 /**
@@ -73,11 +74,9 @@ softpipe_texture_layout(struct pipe_screen *screen,
       depth = u_minify(depth, 1);
    }
 
-   spt->buffer = screen->buffer_create(screen, 32,
-                                       PIPE_BUFFER_USAGE_PIXEL,
-                                       buffer_size);
+   spt->data = align_malloc(buffer_size, 16);
 
-   return spt->buffer != NULL;
+   return spt->data != NULL;
 }
 
 
@@ -88,19 +87,18 @@ static boolean
 softpipe_displaytarget_layout(struct pipe_screen *screen,
                               struct softpipe_texture * spt)
 {
-   unsigned usage = (PIPE_BUFFER_USAGE_CPU_READ_WRITE |
-                     PIPE_BUFFER_USAGE_GPU_READ_WRITE);
-   unsigned tex_usage = spt->base.tex_usage;
-
-   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;
+   struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
+
+   /* Round up the surface size to a multiple of the tile size?
+    */
+   spt->dt = winsys->displaytarget_create(winsys,
+                                          spt->base.format,
+                                          spt->base.width0, 
+                                          spt->base.height0,
+                                          16,
+                                          &spt->stride[0] );
+
+   return spt->dt != NULL;
 }
 
 
@@ -147,9 +145,19 @@ softpipe_texture_create(struct pipe_screen *screen,
 static void
 softpipe_texture_destroy(struct pipe_texture *pt)
 {
+   struct softpipe_screen *screen = softpipe_screen(pt->screen);
    struct softpipe_texture *spt = softpipe_texture(pt);
 
-   pipe_buffer_reference(&spt->buffer, NULL);
+   if (spt->dt) {
+      /* display target */
+      struct sw_winsys *winsys = screen->winsys;
+      winsys->displaytarget_destroy(winsys, spt->dt);
+   }
+   else {
+      /* regular texture */
+      align_free(spt->data);
+   }
+
    FREE(spt);
 }
 
@@ -248,7 +256,7 @@ softpipe_tex_surface_destroy(struct pipe_surface *surf)
  * \param height  height of region to read/write
  */
 static struct pipe_transfer *
-softpipe_get_tex_transfer(struct pipe_screen *screen,
+softpipe_get_tex_transfer(struct pipe_context *pipe,
                           struct pipe_texture *texture,
                           unsigned face, unsigned level, unsigned zslice,
                           enum pipe_transfer_usage usage,
@@ -302,7 +310,8 @@ softpipe_get_tex_transfer(struct pipe_screen *screen,
  * softpipe_get_tex_transfer().
  */
 static void 
-softpipe_tex_transfer_destroy(struct pipe_transfer *transfer)
+softpipe_tex_transfer_destroy(struct pipe_context *pipe,
+                              struct pipe_transfer *transfer)
 {
    /* Effectively do the texture_update work here - if texture images
     * needed post-processing to put them into hardware layout, this is
@@ -318,7 +327,7 @@ softpipe_tex_transfer_destroy(struct pipe_transfer *transfer)
  * Create memory mapping for given pipe_transfer object.
  */
 static void *
-softpipe_transfer_map( struct pipe_screen *screen,
+softpipe_transfer_map( struct pipe_context *pipe,
                        struct pipe_transfer *transfer )
 {
    ubyte *map, *xfer_map;
@@ -329,9 +338,20 @@ softpipe_transfer_map( struct pipe_screen *screen,
    spt = softpipe_texture(transfer->texture);
    format = transfer->texture->format;
 
-   map = pipe_buffer_map(screen, spt->buffer, pipe_transfer_buffer_flags(transfer));
-   if (map == NULL)
-      return NULL;
+   if (spt->dt) {
+      /* display target */
+      struct sw_winsys *winsys = softpipe_screen(pipe->screen)->winsys;
+
+      map = winsys->displaytarget_map(winsys, spt->dt,
+                                      pipe_transfer_buffer_flags(transfer));
+      if (map == NULL)
+         return NULL;
+   }
+   else {
+      map = spt->data;
+      if (map == NULL)
+         return NULL;
+   }
 
    /* May want to different things here depending on read/write nature
     * of the map:
@@ -340,7 +360,7 @@ softpipe_transfer_map( struct pipe_screen *screen,
       /* Do something to notify sharing contexts of a texture change.
        * In softpipe, that would mean flushing the texture cache.
        */
-      softpipe_screen(screen)->timestamp++;
+      softpipe_screen(pipe->screen)->timestamp++;
    }
 
    xfer_map = map + softpipe_transfer(transfer)->offset +
@@ -355,7 +375,7 @@ softpipe_transfer_map( struct pipe_screen *screen,
  * Unmap memory mapping for given pipe_transfer object.
  */
 static void
-softpipe_transfer_unmap(struct pipe_screen *screen,
+softpipe_transfer_unmap(struct pipe_context *pipe,
                         struct pipe_transfer *transfer)
 {
    struct softpipe_texture *spt;
@@ -363,7 +383,11 @@ softpipe_transfer_unmap(struct pipe_screen *screen,
    assert(transfer->texture);
    spt = softpipe_texture(transfer->texture);
 
-   pipe_buffer_unmap( screen, spt->buffer );
+   if (spt->dt) {
+      /* display target */
+      struct sw_winsys *winsys = softpipe_screen(pipe->screen)->winsys;
+      winsys->displaytarget_unmap(winsys, spt->dt);
+   }
 
    if (transfer->usage & PIPE_TRANSFER_WRITE) {
       /* Mark the texture as dirty to expire the tile caches. */
@@ -424,6 +448,15 @@ softpipe_video_surface_destroy(struct pipe_video_surface *vsfc)
 }
 
 
+void
+softpipe_init_texture_funcs(struct pipe_context *pipe)
+{
+   pipe->get_tex_transfer = softpipe_get_tex_transfer;
+   pipe->tex_transfer_destroy = softpipe_tex_transfer_destroy;
+   pipe->transfer_map = softpipe_transfer_map;
+   pipe->transfer_unmap = softpipe_transfer_unmap;
+}
+
 void
 softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
 {
@@ -433,11 +466,6 @@ softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
    screen->get_tex_surface = softpipe_get_tex_surface;
    screen->tex_surface_destroy = softpipe_tex_surface_destroy;
 
-   screen->get_tex_transfer = softpipe_get_tex_transfer;
-   screen->tex_transfer_destroy = softpipe_tex_transfer_destroy;
-   screen->transfer_map = softpipe_transfer_map;
-   screen->transfer_unmap = softpipe_transfer_unmap;
-
    screen->video_surface_create = softpipe_video_surface_create;
    screen->video_surface_destroy = softpipe_video_surface_destroy;
 }