diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_texture.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_texture.c | 143 |
1 files changed, 120 insertions, 23 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c index 533b64227d6..b6590dfb86e 100644 --- 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" @@ -62,17 +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, width); - pt->nblocksy[level] = pf_get_nblocksy(&pt->block, height); + 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->nblocksy[level] * - ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) * - pt->nblocksx[level] * pt->block.size; + 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); @@ -82,8 +96,8 @@ cell_texture_layout(struct cell_texture * spt) static struct pipe_texture * -cell_texture_create_screen(struct pipe_screen *screen, - const struct pipe_texture *templat) +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); @@ -110,8 +124,8 @@ cell_texture_create_screen(struct pipe_screen *screen, static void -cell_texture_release_screen(struct pipe_screen *screen, - struct pipe_texture **pt) +cell_texture_release(struct pipe_screen *screen, + struct pipe_texture **pt) { if (!*pt) return; @@ -127,7 +141,7 @@ 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); } @@ -135,6 +149,7 @@ cell_texture_release_screen(struct pipe_screen *screen, } +#if 0 static void cell_texture_update(struct pipe_context *pipe, struct pipe_texture *texture, uint face, uint levelsMask) @@ -142,12 +157,14 @@ cell_texture_update(struct pipe_context *pipe, struct pipe_texture *texture, /* XXX TO DO: re-tile the texture data ... */ } +#endif static struct pipe_surface * -cell_get_tex_surface_screen(struct pipe_screen *screen, - struct pipe_texture *pt, - unsigned face, unsigned level, unsigned zslice) +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); @@ -157,7 +174,7 @@ 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->block = pt->block; ps->width = pt->width[level]; @@ -166,12 +183,21 @@ cell_get_tex_surface_screen(struct pipe_screen *screen, 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) * ps->nblocksy * ps->stride; - } else { + } + else { assert(face == 0); assert(zslice == 0); } @@ -181,6 +207,11 @@ cell_get_tex_surface_screen(struct pipe_screen *screen, +/** + * 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) { @@ -211,6 +242,7 @@ 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, @@ -228,10 +260,11 @@ 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); @@ -246,11 +279,12 @@ 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++) { @@ -275,16 +309,79 @@ cell_update_texture_mapping(struct cell_context *cell) } +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; + /*cell->pipe.texture_update = cell_texture_update;*/ } + void 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->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; } |