Merge remote branch 'origin/master' into gallium_draw_llvm

1 files changed, 127 insertions, 120 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 022bf92cb4..9a85a42897 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -40,9 +40,10 @@
 
 #include "lp_context.h"
 #include "lp_screen.h"
+#include "lp_flush.h"
 #include "lp_texture.h"
 #include "lp_tile_size.h"
-#include "lp_winsys.h"
+#include "state_tracker/sw_winsys.h"
 
 
 /**
@@ -93,7 +94,7 @@ static boolean
 llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
                               struct llvmpipe_texture *lpt)
 {
-   struct llvmpipe_winsys *winsys = screen->winsys;
+   struct sw_winsys *winsys = screen->winsys;
 
    /* Round up the surface size to a multiple of the tile size to
     * avoid tile clipping.
@@ -124,14 +125,9 @@ llvmpipe_texture_create(struct pipe_screen *_screen,
    pipe_reference_init(&lpt->base.reference, 1);
    lpt->base.screen = &screen->base;
 
-   /* XXX: The xlib state tracker is brain-dead and will request
-    * PIPE_FORMAT_Z16_UNORM no matter how much we tell it we don't support it.
-    */
-   if (lpt->base.format == PIPE_FORMAT_Z16_UNORM)
-      lpt->base.format = PIPE_FORMAT_Z32_UNORM;
-
    if (lpt->base.tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
-                              PIPE_TEXTURE_USAGE_PRIMARY)) {
+                              PIPE_TEXTURE_USAGE_SCANOUT |
+                              PIPE_TEXTURE_USAGE_SHARED)) {
       if (!llvmpipe_displaytarget_layout(screen, lpt))
          goto fail;
    }
@@ -148,43 +144,6 @@ llvmpipe_texture_create(struct pipe_screen *_screen,
 }
 
 
-static struct pipe_texture *
-llvmpipe_texture_blanket(struct pipe_screen * screen,
-                         const struct pipe_texture *base,
-                         const unsigned *stride,
-                         struct pipe_buffer *buffer)
-{
-   /* FIXME */
-#if 0
-   struct llvmpipe_texture *lpt;
-   assert(screen);
-
-   /* Only supports one type */
-   if (base->target != PIPE_TEXTURE_2D ||
-       base->last_level != 0 ||
-       base->depth0 != 1) {
-      return NULL;
-   }
-
-   lpt = CALLOC_STRUCT(llvmpipe_texture);
-   if (!lpt)
-      return NULL;
-
-   lpt->base = *base;
-   pipe_reference_init(&lpt->base.reference, 1);
-   lpt->base.screen = screen;
-   lpt->stride[0] = stride[0];
-
-   pipe_buffer_reference(&lpt->buffer, buffer);
-
-   return &lpt->base;
-#else
-   debug_printf("llvmpipe_texture_blanket() not implemented!");
-   return NULL;
-#endif
-}
-
-
 static void
 llvmpipe_texture_destroy(struct pipe_texture *pt)
 {
@@ -193,7 +152,7 @@ llvmpipe_texture_destroy(struct pipe_texture *pt)
 
    if (lpt->dt) {
       /* display target */
-      struct llvmpipe_winsys *winsys = screen->winsys;
+      struct sw_winsys *winsys = screen->winsys;
       winsys->displaytarget_destroy(winsys, lpt->dt);
    }
    else {
@@ -205,6 +164,92 @@ llvmpipe_texture_destroy(struct pipe_texture *pt)
 }
 
 
+/**
+ * Map a texture. Without any synchronization.
+ */
+void *
+llvmpipe_texture_map(struct pipe_texture *texture,
+                     unsigned face,
+                     unsigned level,
+                     unsigned zslice)
+{
+   struct llvmpipe_texture *lpt = llvmpipe_texture(texture);
+   uint8_t *map;
+
+   if (lpt->dt) {
+      /* display target */
+      struct llvmpipe_screen *screen = llvmpipe_screen(texture->screen);
+      struct sw_winsys *winsys = screen->winsys;
+      const unsigned usage = PIPE_BUFFER_USAGE_CPU_READ_WRITE;
+
+      assert(face == 0);
+      assert(level == 0);
+      assert(zslice == 0);
+
+      /* FIXME: keep map count? */
+      map = winsys->displaytarget_map(winsys, lpt->dt, usage);
+   }
+   else {
+      /* regular texture */
+      unsigned offset;
+      unsigned stride;
+
+      map = lpt->data;
+
+      assert(level < LP_MAX_TEXTURE_2D_LEVELS);
+
+      offset = lpt->level_offset[level];
+      stride = lpt->stride[level];
+
+      /* XXX shouldn't that rather be
+         tex_height = align(u_minify(texture->height0, level), 2)
+         to account for alignment done in llvmpipe_texture_layout ?
+      */
+      if (texture->target == PIPE_TEXTURE_CUBE) {
+         unsigned tex_height = u_minify(texture->height0, level);
+         offset += face *  util_format_get_nblocksy(texture->format, tex_height) * stride;
+      }
+      else if (texture->target == PIPE_TEXTURE_3D) {
+         unsigned tex_height = u_minify(texture->height0, level);
+         offset += zslice * util_format_get_nblocksy(texture->format, tex_height) * stride;
+      }
+      else {
+         assert(face == 0);
+         assert(zslice == 0);
+      }
+
+      map += offset;
+   }
+
+   return map;
+}
+
+
+/**
+ * Unmap a texture. Without any synchronization.
+ */
+void
+llvmpipe_texture_unmap(struct pipe_texture *texture,
+                       unsigned face,
+                       unsigned level,
+                       unsigned zslice)
+{
+   struct llvmpipe_texture *lpt = llvmpipe_texture(texture);
+
+   if (lpt->dt) {
+      /* display target */
+      struct llvmpipe_screen *lp_screen = llvmpipe_screen(texture->screen);
+      struct sw_winsys *winsys = lp_screen->winsys;
+
+      assert(face == 0);
+      assert(level == 0);
+      assert(zslice == 0);
+
+      winsys->displaytarget_unmap(winsys, lpt->dt);
+   }
+}
+
+
 static struct pipe_surface *
 llvmpipe_get_tex_surface(struct pipe_screen *screen,
                          struct pipe_texture *pt,
@@ -223,7 +268,6 @@ llvmpipe_get_tex_surface(struct pipe_screen *screen,
       ps->format = pt->format;
       ps->width = u_minify(pt->width0, level);
       ps->height = u_minify(pt->height0, level);
-      ps->offset = lpt->level_offset[level];
       ps->usage = usage;
 
       /* Because we are llvmpipe, anything that the state tracker
@@ -249,23 +293,6 @@ llvmpipe_get_tex_surface(struct pipe_screen *screen,
       ps->face = face;
       ps->level = level;
       ps->zslice = zslice;
-
-      /* XXX shouldn't that rather be
-         tex_height = align(ps->height, 2);
-         to account for alignment done in llvmpipe_texture_layout ?
-      */
-      if (pt->target == PIPE_TEXTURE_CUBE) {
-         unsigned tex_height = ps->height;
-         ps->offset += face * util_format_get_nblocksy(pt->format, tex_height) * lpt->stride[level];
-      }
-      else if (pt->target == PIPE_TEXTURE_3D) {
-         unsigned tex_height = ps->height;
-         ps->offset += zslice * util_format_get_nblocksy(pt->format, tex_height) * lpt->stride[level];
-      }
-      else {
-         assert(face == 0);
-         assert(zslice == 0);
-      }
    }
    return ps;
 }
@@ -285,7 +312,7 @@ llvmpipe_tex_surface_destroy(struct pipe_surface *surf)
 
 
 static struct pipe_transfer *
-llvmpipe_get_tex_transfer(struct pipe_screen *screen,
+llvmpipe_get_tex_transfer(struct pipe_context *pipe,
                           struct pipe_texture *texture,
                           unsigned face, unsigned level, unsigned zslice,
                           enum pipe_transfer_usage usage,
@@ -311,24 +338,6 @@ llvmpipe_get_tex_transfer(struct pipe_screen *screen,
       pt->level = level;
       pt->zslice = zslice;
 
-      lpt->offset = lptex->level_offset[level];
-
-      /* XXX shouldn't that rather be
-         tex_height = align(u_minify(texture->height0, level), 2)
-         to account for alignment done in llvmpipe_texture_layout ?
-      */
-      if (texture->target == PIPE_TEXTURE_CUBE) {
-         unsigned tex_height = u_minify(texture->height0, level);
-         lpt->offset += face *  util_format_get_nblocksy(texture->format, tex_height) * pt->stride;
-      }
-      else if (texture->target == PIPE_TEXTURE_3D) {
-         unsigned tex_height = u_minify(texture->height0, level);
-         lpt->offset += zslice * util_format_get_nblocksy(texture->format, tex_height) * pt->stride;
-      }
-      else {
-         assert(face == 0);
-         assert(zslice == 0);
-      }
       return pt;
    }
    return NULL;
@@ -336,7 +345,8 @@ llvmpipe_get_tex_transfer(struct pipe_screen *screen,
 
 
 static void 
-llvmpipe_tex_transfer_destroy(struct pipe_transfer *transfer)
+llvmpipe_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
@@ -349,11 +359,11 @@ llvmpipe_tex_transfer_destroy(struct pipe_transfer *transfer)
 
 
 static void *
-llvmpipe_transfer_map( struct pipe_screen *_screen,
+llvmpipe_transfer_map( struct pipe_context *pipe,
                        struct pipe_transfer *transfer )
 {
-   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
-   ubyte *map, *xfer_map;
+   struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
+   ubyte *map;
    struct llvmpipe_texture *lpt;
    enum pipe_format format;
 
@@ -361,52 +371,45 @@ llvmpipe_transfer_map( struct pipe_screen *_screen,
    lpt = llvmpipe_texture(transfer->texture);
    format = lpt->base.format;
 
-   if (lpt->dt) {
-      /* display target */
-      struct llvmpipe_winsys *winsys = screen->winsys;
+   /*
+    * Transfers, like other pipe operations, must happen in order, so flush the
+    * context if necessary.
+    */
+   llvmpipe_flush_texture(pipe,
+                          transfer->texture, transfer->face, transfer->level,
+                          0, /* flush_flags */
+                          !(transfer->usage & PIPE_TRANSFER_WRITE), /* read_only */
+                          TRUE, /* cpu_access */
+                          FALSE); /* do_not_flush */
 
-      map = winsys->displaytarget_map(winsys, lpt->dt,
-                                      pipe_transfer_buffer_flags(transfer));
-      if (map == NULL)
-         return NULL;
-   }
-   else {
-      /* regular texture */
-      map = lpt->data;
-   }
+   map = llvmpipe_texture_map(transfer->texture,
+                              transfer->face, transfer->level, transfer->zslice);
 
    /* May want to different things here depending on read/write nature
     * of the map:
     */
-   if (transfer->texture && (transfer->usage & PIPE_TRANSFER_WRITE)) {
+   if (transfer->usage & PIPE_TRANSFER_WRITE) {
       /* Do something to notify sharing contexts of a texture change.
        */
       screen->timestamp++;
    }
    
-   xfer_map = map + llvmpipe_transfer(transfer)->offset +
+   map +=
       transfer->y / util_format_get_blockheight(format) * transfer->stride +
       transfer->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
-   /*printf("map = %p  xfer map = %p\n", map, xfer_map);*/
-   return xfer_map;
+
+   return map;
 }
 
 
 static void
-llvmpipe_transfer_unmap(struct pipe_screen *screen,
-                       struct pipe_transfer *transfer)
+llvmpipe_transfer_unmap(struct pipe_context *pipe,
+                        struct pipe_transfer *transfer)
 {
-   struct llvmpipe_screen *lp_screen = llvmpipe_screen(screen);
-   struct llvmpipe_texture *lpt;
-
    assert(transfer->texture);
-   lpt = llvmpipe_texture(transfer->texture);
 
-   if (lpt->dt) {
-      /* display target */
-      struct llvmpipe_winsys *winsys = lp_screen->winsys;
-      winsys->displaytarget_unmap(winsys, lpt->dt);
-   }
+   llvmpipe_texture_unmap(transfer->texture,
+                          transfer->face, transfer->level, transfer->zslice);
 }
 
 
@@ -414,14 +417,18 @@ void
 llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen)
 {
    screen->texture_create = llvmpipe_texture_create;
-   screen->texture_blanket = llvmpipe_texture_blanket;
    screen->texture_destroy = llvmpipe_texture_destroy;
 
    screen->get_tex_surface = llvmpipe_get_tex_surface;
    screen->tex_surface_destroy = llvmpipe_tex_surface_destroy;
+}
 
-   screen->get_tex_transfer = llvmpipe_get_tex_transfer;
-   screen->tex_transfer_destroy = llvmpipe_tex_transfer_destroy;
-   screen->transfer_map = llvmpipe_transfer_map;
-   screen->transfer_unmap = llvmpipe_transfer_unmap;
+
+void
+llvmpipe_init_context_texture_funcs(struct pipe_context *pipe)
+{
+   pipe->get_tex_transfer = llvmpipe_get_tex_transfer;
+   pipe->tex_transfer_destroy = llvmpipe_tex_transfer_destroy;
+   pipe->transfer_map = llvmpipe_transfer_map;
+   pipe->transfer_unmap = llvmpipe_transfer_unmap;
 }