gallium: Have pipe_buffer_* receive a pipe_screen instead of a pipe_context.

[mesa.git] / src / gallium / drivers / cell / ppu / cell_texture.c

diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c
index c59d1f7f23104f7936f931b3a981851f100629c6..5c01aa21b85cf6e663a424bd60fc5f14f83c731b 100644 (file)
--- a/src/gallium/drivers/cell/ppu/cell_texture.c
+++ b/src/gallium/drivers/cell/ppu/cell_texture.c
@@ -33,8 +33,9 @@
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_inlines.h"
-#include "pipe/p_util.h"
 #include "pipe/p_winsys.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
 
 #include "cell_context.h"
 #include "cell_state.h"
@@ -65,12 +66,16 @@ cell_texture_layout(struct cell_texture * spt)
       pt->width[level] = width;
       pt->height[level] = height;
       pt->depth[level] = depth;
+      pt->nblocksx[level] = pf_get_nblocksx(&pt->block, width);  
+      pt->nblocksy[level] = pf_get_nblocksy(&pt->block, height);  
+
+      spt->stride[level] = pt->nblocksx[level] * pt->block.size;
 
       spt->level_offset[level] = spt->buffer_size;
 
-      spt->buffer_size += ((pt->compressed) ? MAX2(1, height/4) : height) *
+      spt->buffer_size += (pt->nblocksy[level] *
                          ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
-                         width * pt->cpp;
+                           pt->nblocksx[level] * pt->block.size);
 
       width  = minify(width);
       height = minify(height);
@@ -125,7 +130,7 @@ cell_texture_release_screen(struct pipe_screen *screen,
       DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);
       */
 
-      pipe_buffer_reference(screen->winsys, &spt->buffer, NULL);
+      pipe_buffer_reference(screen, &spt->buffer, NULL);
 
       FREE(spt);
    }
@@ -145,7 +150,8 @@ cell_texture_update(struct pipe_context *pipe, struct pipe_texture *texture,
 static struct pipe_surface *
 cell_get_tex_surface_screen(struct pipe_screen *screen,
                             struct pipe_texture *pt,
-                            unsigned face, unsigned level, unsigned zslice)
+                            unsigned face, unsigned level, unsigned zslice,
+                            unsigned usage)
 {
    struct pipe_winsys *ws = screen->winsys;
    struct cell_texture *spt = cell_texture(pt);
@@ -155,18 +161,24 @@ cell_get_tex_surface_screen(struct pipe_screen *screen,
    if (ps) {
       assert(ps->refcount);
       assert(ps->winsys);
-      pipe_buffer_reference(ws, &ps->buffer, spt->buffer);
+      winsys_buffer_reference(ws, &ps->buffer, spt->buffer);
       ps->format = pt->format;
-      ps->cpp = pt->cpp;
+      ps->block = pt->block;
       ps->width = pt->width[level];
       ps->height = pt->height[level];
-      ps->pitch = ps->width;
+      ps->nblocksx = pt->nblocksx[level];
+      ps->nblocksy = pt->nblocksy[level];
+      ps->stride = spt->stride[level];
       ps->offset = spt->level_offset[level];
+      ps->usage = usage;
+
+      /* XXX may need to override usage flags (see sp_texture.c) */
+
 
       if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) {
         ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) *
-                      (pt->compressed ? ps->height/4 : ps->height) *
-                      ps->width * ps->cpp;
+                      ps->nblocksy *
+                      ps->stride;
       } else {
         assert(face == 0);
         assert(zslice == 0);
@@ -186,15 +198,17 @@ tile_copy_data(uint w, uint h, uint tile_size, uint *dst, const uint *src)
    uint it, jt;  /* tile counters */
    uint i, j;    /* intra-tile counters */
 
+   /* loop over dest tiles */
    for (it = 0; it < h_t; it++) {
       for (jt = 0; jt < w_t; jt++) {
-         /* fill in tile (i, j) */
+         /* start of dest tile: */
          uint *tdst = dst + (it * w_t + jt) * tile_size2;
+         /* loop over texels in the tile */
          for (i = 0; i < tile_size; i++) {
             for (j = 0; j < tile_size; j++) {
                const uint srci = it * tile_size + i;
                const uint srcj = jt * tile_size + j;
-               *tdst++ = src[srci * h + srcj];
+               *tdst++ = src[srci * w + srcj];
             }
          }
       }
@@ -222,10 +236,11 @@ cell_tile_texture(struct cell_context *cell,
    assert(w % TILE_SIZE == 0);
    assert(h % TILE_SIZE == 0);
 
-   surf = screen->get_tex_surface(screen, &texture->base, face, level, zslice);
+   surf = screen->get_tex_surface(screen, &texture->base, face, level, zslice,
+                                  PIPE_BUFFER_USAGE_CPU_WRITE);
    ASSERT(surf);
 
-   src = (const uint *) pipe_surface_map(surf);
+   src = (const uint *) pipe_surface_map(surf, PIPE_BUFFER_USAGE_CPU_WRITE);
 
    if (texture->tiled_data) {
       align_free(texture->tiled_data);
@@ -240,11 +255,12 @@ cell_tile_texture(struct cell_context *cell,
 }
 
 
-
 void
 cell_update_texture_mapping(struct cell_context *cell)
 {
+#if 0
    uint face = 0, level = 0, zslice = 0;
+#endif
    uint i;
 
    for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
@@ -269,10 +285,52 @@ cell_update_texture_mapping(struct cell_context *cell)
 }
 
 
+static void *
+cell_surface_map( struct pipe_screen *screen,
+                  struct pipe_surface *surface,
+                  unsigned flags )
+{
+   ubyte *map;
+
+   if (flags & ~surface->usage) {
+      assert(0);
+      return NULL;
+   }
+
+   map = screen->winsys->buffer_map( screen->winsys, surface->buffer, flags );
+   if (map == NULL)
+      return NULL;
+
+   /* May want to different things here depending on read/write nature
+    * of the map:
+    */
+   if (surface->texture &&
+       (flags & PIPE_BUFFER_USAGE_CPU_WRITE)) 
+   {
+      /* Do something to notify sharing contexts of a texture change.
+       * In softpipe, that would mean flushing the texture cache.
+       */
+#if 0
+      cell_screen(screen)->timestamp++;
+#endif
+   }
+   
+   return map + surface->offset;
+}
+
+
+static void
+cell_surface_unmap(struct pipe_screen *screen,
+                   struct pipe_surface *surface)
+{
+   screen->winsys->buffer_unmap( screen->winsys, surface->buffer );
+}
+
+
 void
 cell_init_texture_functions(struct cell_context *cell)
 {
-   cell->pipe.texture_update = cell_texture_update;
+   /*cell->pipe.texture_update = cell_texture_update;*/
 }
 
 void
@@ -281,4 +339,7 @@ cell_init_screen_texture_funcs(struct pipe_screen *screen)
    screen->texture_create = cell_texture_create_screen;
    screen->texture_release = cell_texture_release_screen;
    screen->get_tex_surface = cell_get_tex_surface_screen;
+
+   screen->surface_map = cell_surface_map;
+   screen->surface_unmap = cell_surface_unmap;
 }