#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"
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);
}
-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);
}
-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;
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);
}
}
-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);
}
+/**
+ * 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)
{
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];
}
}
}
/**
* 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];
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);
}
-
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);
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;
+}