#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_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)
-/* If we need to support > 4096, just expand this to be a 64 bit
- * union, or consider tiling in Z as well.
+
+/**
+ * Surface tile address as a union for fast compares.
*/
union tile_address {
struct {
- unsigned x:6; /* 4096 / TILE_SIZE */
- unsigned y:6; /* 4096 / TILE_SIZE */
+ unsigned x:TILE_ADDR_BITS; /* 16K / TILE_SIZE */
+ unsigned y:TILE_ADDR_BITS; /* 16K / TILE_SIZE */
unsigned invalid:1;
- unsigned pad:19;
+ unsigned pad:15;
} bits;
unsigned value;
};
struct softpipe_cached_tile
{
- union tile_address addr;
union {
float color[TILE_SIZE][TILE_SIZE][4];
uint color32[TILE_SIZE][TILE_SIZE];
#define NUM_ENTRIES 50
-/** XXX move these */
-#define MAX_WIDTH 4096
-#define MAX_HEIGHT 4096
-
-
struct softpipe_tile_cache
{
- struct pipe_screen *screen;
+ struct pipe_context *pipe;
struct pipe_surface *surface; /**< the surface we're caching */
struct pipe_transfer *transfer;
void *transfer_map;
- struct softpipe_cached_tile entries[NUM_ENTRIES];
+ union tile_address tile_addrs[NUM_ENTRIES];
+ struct softpipe_cached_tile *entries[NUM_ENTRIES];
uint clear_flags[(MAX_WIDTH / TILE_SIZE) * (MAX_HEIGHT / TILE_SIZE) / 32];
float clear_color[4]; /**< for color bufs */
- uint clear_val; /**< for z+stencil, or packed color clear value */
+ uint clear_val; /**< for z+stencil */
boolean depth_stencil; /**< Is the surface a depth/stencil format? */
- struct softpipe_cached_tile tile; /**< scratch tile for clears */
+ 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);
{
union tile_address addr = tile_address( x, y );
- if (tc->last_tile->addr.value == addr.value)
+ if (tc->last_tile_addr.value == addr.value)
return tc->last_tile;
return sp_find_cached_tile( tc, addr );