cell: call cell_flush_int() at end of cell_create_context()
[mesa.git] / src / gallium / drivers / cell / ppu / cell_texture.c
index 4629eb13201900cb12eded60c02fd52c8e9dacc8..b6590dfb86e4281ca165442653a46d11a333aaf4 100644 (file)
@@ -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"
@@ -62,15 +63,30 @@ cell_texture_layout(struct cell_texture * spt)
    spt->buffer_size = 0;
 
    for ( level = 0 ; level <= pt->last_level ; level++ ) {
+      unsigned size;
+      unsigned w_tile, h_tile;
+
+      /* width, height, rounded up to tile size */
+      w_tile = align(width, TILE_SIZE);
+      h_tile = align(height, TILE_SIZE);
+
       pt->width[level] = width;
       pt->height[level] = height;
       pt->depth[level] = depth;
+      pt->nblocksx[level] = pf_get_nblocksx(&pt->block, w_tile);  
+      pt->nblocksy[level] = pf_get_nblocksy(&pt->block, h_tile);  
+
+      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) *
-                         ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
-                         width * pt->cpp;
+      size = pt->nblocksx[level] * pt->nblocksy[level] * pt->block.size;
+      if (pt->target == PIPE_TEXTURE_CUBE)
+         size *= 6;
+      else
+         size *= depth;
+
+      spt->buffer_size += size;
 
       width  = minify(width);
       height = minify(height);
@@ -79,20 +95,24 @@ cell_texture_layout(struct cell_texture * spt)
 }
 
 
-struct pipe_texture *
-cell_texture_create(struct pipe_context *pipe, const struct pipe_texture *templat)
+static struct pipe_texture *
+cell_texture_create(struct pipe_screen *screen,
+                    const struct pipe_texture *templat)
 {
+   struct pipe_winsys *ws = screen->winsys;
    struct cell_texture *spt = CALLOC_STRUCT(cell_texture);
    if (!spt)
       return NULL;
 
    spt->base = *templat;
+   spt->base.refcount = 1;
+   spt->base.screen = screen;
 
    cell_texture_layout(spt);
 
-   spt->buffer = pipe->winsys->buffer_create(pipe->winsys, 32,
-                                             PIPE_BUFFER_USAGE_PIXEL,
-                                             spt->buffer_size);
+   spt->buffer = ws->buffer_create(ws, 32,
+                                   PIPE_BUFFER_USAGE_PIXEL,
+                                   spt->buffer_size);
 
    if (!spt->buffer) {
       FREE(spt);
@@ -103,8 +123,9 @@ cell_texture_create(struct pipe_context *pipe, const struct pipe_texture *templa
 }
 
 
-void
-cell_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
+static void
+cell_texture_release(struct pipe_screen *screen,
+                     struct pipe_texture **pt)
 {
    if (!*pt)
       return;
@@ -120,7 +141,7 @@ cell_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
       DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);
       */
 
-      pipe_buffer_reference(pipe->winsys, &spt->buffer, NULL);
+      pipe_buffer_reference(screen, &spt->buffer, NULL);
 
       FREE(spt);
    }
@@ -128,42 +149,55 @@ cell_texture_release(struct pipe_context *pipe, struct pipe_texture **pt)
 }
 
 
-void
-cell_texture_update(struct pipe_context *pipe, struct pipe_texture *texture)
+#if 0
+static void
+cell_texture_update(struct pipe_context *pipe, struct pipe_texture *texture,
+                    uint face, uint levelsMask)
 {
    /* XXX TO DO:  re-tile the texture data ... */
 
 }
+#endif
 
 
-/**
- * Called via pipe->get_tex_surface()
- */
-struct pipe_surface *
-cell_get_tex_surface(struct pipe_context *pipe,
-                         struct pipe_texture *pt,
-                         unsigned face, unsigned level, unsigned zslice)
+static struct pipe_surface *
+cell_get_tex_surface(struct pipe_screen *screen,
+                     struct pipe_texture *pt,
+                     unsigned face, unsigned level, unsigned zslice,
+                     unsigned usage)
 {
+   struct pipe_winsys *ws = screen->winsys;
    struct cell_texture *spt = cell_texture(pt);
    struct pipe_surface *ps;
 
-   ps = pipe->winsys->surface_alloc(pipe->winsys);
+   ps = ws->surface_alloc(ws);
    if (ps) {
       assert(ps->refcount);
       assert(ps->winsys);
-      pipe_buffer_reference(pipe->winsys, &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) */
+
+      pipe_texture_reference(&ps->texture, pt); 
+      ps->face = face;
+      ps->level = level;
+      ps->zslice = zslice;
 
       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;
-      } else {
+                      ps->nblocksy *
+                      ps->stride;
+      }
+      else {
         assert(face == 0);
         assert(zslice == 0);
       }
@@ -173,6 +207,11 @@ cell_get_tex_surface(struct pipe_context *pipe,
 
 
 
+/**
+ * Copy tile data from linear layout to tiled layout.
+ * XXX this should be rolled into the future surface-creation code.
+ * XXX also need "untile" code...
+ */
 static void
 tile_copy_data(uint w, uint h, uint tile_size, uint *dst, const uint *src)
 {
@@ -182,15 +221,17 @@ 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];
             }
          }
       }
@@ -201,11 +242,13 @@ tile_copy_data(uint w, uint h, uint tile_size, uint *dst, const uint *src)
 
 /**
  * Convert linear texture image data to tiled format for SPU usage.
+ * XXX recast this in terms of pipe_surfaces (aka texture views).
  */
 static void
 cell_tile_texture(struct cell_context *cell,
                   struct cell_texture *texture)
 {
+   struct pipe_screen *screen = cell->pipe.screen;
    uint face = 0, level = 0, zslice = 0;
    struct pipe_surface *surf;
    const uint w = texture->base.width[0], h = texture->base.height[0];
@@ -217,10 +260,11 @@ cell_tile_texture(struct cell_context *cell,
    assert(w % TILE_SIZE == 0);
    assert(h % TILE_SIZE == 0);
 
-   surf = cell_get_tex_surface(&cell->pipe, &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);
@@ -235,14 +279,19 @@ 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++) {
+      if (cell->texture[i])
+         cell_tile_texture(cell, cell->texture[i]);
+   }
 
-   if (cell->texture[0])
-      cell_tile_texture(cell, cell->texture[0]);
 #if 0
    if (cell->tex_surf && cell->tex_map) {
       pipe_surface_unmap(cell->tex_surf);
@@ -258,3 +307,81 @@ cell_update_texture_mapping(struct cell_context *cell)
    cell->tex_map = pipe_surface_map(cell->tex_surf);
 #endif
 }
+
+
+static void 
+cell_tex_surface_release(struct pipe_screen *screen, 
+                         struct pipe_surface **s)
+{
+   /* Effectively do the texture_update work here - if texture images
+    * needed post-processing to put them into hardware layout, this is
+    * where it would happen.  For softpipe, nothing to do.
+    */
+   assert ((*s)->texture);
+   pipe_texture_reference(&(*s)->texture, NULL); 
+
+   screen->winsys->surface_release(screen->winsys, s);
+}
+
+
+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 = pipe_buffer_map( screen, 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)
+{
+   pipe_buffer_unmap( screen, surface->buffer );
+}
+
+
+void
+cell_init_texture_functions(struct cell_context *cell)
+{
+   /*cell->pipe.texture_update = cell_texture_update;*/
+}
+
+
+void
+cell_init_screen_texture_funcs(struct pipe_screen *screen)
+{
+   screen->texture_create = cell_texture_create;
+   screen->texture_release = cell_texture_release;
+
+   screen->get_tex_surface = cell_get_tex_surface;
+   screen->tex_surface_release = cell_tex_surface_release;
+
+   screen->surface_map = cell_surface_map;
+   screen->surface_unmap = cell_surface_unmap;
+}