/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SP_TILE_CACHE_H
#define SP_TILE_CACHE_H
-#define TILE_CLEAR_OPTIMIZATION 1
-
#include "pipe/p_compiler.h"
+#include "sp_texture.h"
-struct softpipe_context;
struct softpipe_tile_cache;
/**
* Cache tile size (width and height). This needs to be a power of two.
*/
-#define TILE_SIZE 64
+#define TILE_SIZE_LOG2 6
+#define TILE_SIZE (1 << TILE_SIZE_LOG2)
+
+
+#define TILE_ADDR_BITS (SP_MAX_TEXTURE_2D_LEVELS - 1 - TILE_SIZE_LOG2)
+/**
+ * Surface tile address as a union for fast compares.
+ */
+union tile_address {
+ struct {
+ unsigned x:TILE_ADDR_BITS; /* 16K / TILE_SIZE */
+ unsigned y:TILE_ADDR_BITS; /* 16K / TILE_SIZE */
+ unsigned invalid:1;
+ unsigned layer:8;
+ unsigned pad:7;
+ } bits;
+ unsigned value;
+};
+
struct softpipe_cached_tile
{
- int x, y; /**< pos of tile in window coords */
- int z, face, level; /**< Extra texture indexes */
union {
float color[TILE_SIZE][TILE_SIZE][4];
uint color32[TILE_SIZE][TILE_SIZE];
uint depth32[TILE_SIZE][TILE_SIZE];
ushort depth16[TILE_SIZE][TILE_SIZE];
ubyte stencil8[TILE_SIZE][TILE_SIZE];
+ uint colorui128[TILE_SIZE][TILE_SIZE][4];
+ int colori128[TILE_SIZE][TILE_SIZE][4];
+ uint64_t depth64[TILE_SIZE][TILE_SIZE];
ubyte any[1];
} data;
};
+#define NUM_ENTRIES 50
+
+
+struct softpipe_tile_cache
+{
+ struct pipe_context *pipe;
+ struct pipe_surface *surface; /**< the surface we're caching */
+ struct pipe_transfer **transfer;
+ void **transfer_map;
+ int num_maps;
+
+ union tile_address tile_addrs[NUM_ENTRIES];
+ struct softpipe_cached_tile *entries[NUM_ENTRIES];
+ uint *clear_flags;
+ uint clear_flags_size;
+ union pipe_color_union clear_color; /**< for color bufs */
+ uint64_t clear_val; /**< for z+stencil */
+ boolean depth_stencil; /**< Is the surface a depth/stencil format? */
+
+ struct softpipe_cached_tile *tile; /**< scratch tile for clears */
+
+ union tile_address last_tile_addr;
+ struct softpipe_cached_tile *last_tile; /**< most recently retrieved tile */
+};
+
extern struct softpipe_tile_cache *
-sp_create_tile_cache( struct pipe_screen *screen );
+sp_create_tile_cache( struct pipe_context *pipe );
extern void
sp_destroy_tile_cache(struct softpipe_tile_cache *tc);
sp_tile_cache_get_surface(struct softpipe_tile_cache *tc);
extern void
-sp_tile_cache_map_surfaces(struct softpipe_tile_cache *tc);
+sp_flush_tile_cache(struct softpipe_tile_cache *tc);
extern void
-sp_tile_cache_unmap_surfaces(struct softpipe_tile_cache *tc);
+sp_tile_cache_clear(struct softpipe_tile_cache *tc,
+ const union pipe_color_union *color,
+ uint64_t clearValue);
-extern void
-sp_tile_cache_set_texture(struct pipe_context *pipe,
- struct softpipe_tile_cache *tc,
- struct pipe_texture *texture);
+extern struct softpipe_cached_tile *
+sp_find_cached_tile(struct softpipe_tile_cache *tc,
+ union tile_address addr );
-extern void
-sp_flush_tile_cache(struct softpipe_context *softpipe,
- struct softpipe_tile_cache *tc);
-extern void
-sp_tile_cache_clear(struct softpipe_tile_cache *tc, uint clearValue);
+static INLINE union tile_address
+tile_address( unsigned x,
+ unsigned y, unsigned layer )
+{
+ union tile_address addr;
+
+ addr.value = 0;
+ addr.bits.x = x / TILE_SIZE;
+ addr.bits.y = y / TILE_SIZE;
+ addr.bits.layer = layer;
+ return addr;
+}
+
+/* Quickly retrieve tile if it matches last lookup.
+ */
+static INLINE struct softpipe_cached_tile *
+sp_get_cached_tile(struct softpipe_tile_cache *tc,
+ int x, int y, int layer )
+{
+ union tile_address addr = tile_address( x, y, layer );
+
+ if (tc->last_tile_addr.value == addr.value)
+ return tc->last_tile;
+
+ return sp_find_cached_tile( tc, addr );
+}
-extern struct softpipe_cached_tile *
-sp_get_cached_tile(struct softpipe_context *softpipe,
- struct softpipe_tile_cache *tc, int x, int y);
-extern const struct softpipe_cached_tile *
-sp_get_cached_tile_tex(struct pipe_context *pipe,
- struct softpipe_tile_cache *tc, int x, int y, int z,
- int face, int level);
#endif /* SP_TILE_CACHE_H */