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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_tile_cache.h')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tile_cache.h74
1 files changed, 12 insertions, 62 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_tile_cache.h b/src/gallium/drivers/llvmpipe/lp_tile_cache.h
index c7c4c9af47..6d8ba5ece7 100644
--- a/src/gallium/drivers/llvmpipe/lp_tile_cache.h
+++ b/src/gallium/drivers/llvmpipe/lp_tile_cache.h
@@ -28,42 +28,27 @@
#ifndef LP_TILE_CACHE_H
#define LP_TILE_CACHE_H
-#define TILE_CLEAR_OPTIMIZATION 1
-
#include "pipe/p_compiler.h"
#include "lp_tile_soa.h"
-struct llvmpipe_context;
-struct llvmpipe_tile_cache;
-
-
-/* If we need to support > 4096, just expand this to be a 64 bit
- * union, or consider tiling in Z as well.
- */
-union tile_address {
- struct {
- unsigned x:6; /* 4096 / TILE_SIZE */
- unsigned y:6; /* 4096 / TILE_SIZE */
- unsigned z:12; /* 4096 -- z not tiled */
- unsigned face:3;
- unsigned level:4;
- unsigned invalid:1;
- } bits;
- unsigned value;
+enum llvmpipe_tile_status
+{
+ LP_TILE_STATUS_UNDEFINED = 0,
+ LP_TILE_STATUS_CLEAR = 1,
+ LP_TILE_STATUS_DEFINED = 2
};
struct llvmpipe_cached_tile
{
- union tile_address addr;
+ enum llvmpipe_tile_status status;
+
/** color in SOA format */
- uint8_t ALIGN16_ATTRIB color[TILE_SIZE*TILE_SIZE*NUM_CHANNELS];
+ uint8_t *color;
};
-#define NUM_ENTRIES 50
-
/** XXX move these */
#define MAX_WIDTH 2048
@@ -77,8 +62,8 @@ struct llvmpipe_tile_cache
struct pipe_transfer *transfer;
void *transfer_map;
- struct llvmpipe_cached_tile entries[NUM_ENTRIES];
- uint clear_flags[(MAX_WIDTH / TILE_SIZE) * (MAX_HEIGHT / TILE_SIZE) / 32];
+ struct llvmpipe_cached_tile entries[MAX_WIDTH/TILE_SIZE][MAX_HEIGHT/TILE_SIZE];
+
uint8_t clear_color[4]; /**< for color bufs */
uint clear_val; /**< for z+stencil, or packed color clear value */
@@ -113,43 +98,8 @@ lp_tile_cache_clear(struct llvmpipe_tile_cache *tc, const float *rgba,
uint clearValue);
extern void *
-lp_find_cached_tile(struct llvmpipe_tile_cache *tc,
- union tile_address addr );
-
-static INLINE const union tile_address
-tile_address( unsigned x,
- unsigned y,
- unsigned z,
- unsigned face,
- unsigned level )
-{
- union tile_address addr;
-
- addr.value = 0;
- addr.bits.x = x / TILE_SIZE;
- addr.bits.y = y / TILE_SIZE;
- addr.bits.z = z;
- addr.bits.face = face;
- addr.bits.level = level;
-
- return addr;
-}
-
-/* Quickly retrieve tile if it matches last lookup.
- */
-static INLINE void *
-lp_get_cached_tile(struct llvmpipe_tile_cache *tc,
- int x, int y )
-{
- union tile_address addr = tile_address( x, y, 0, 0, 0 );
-
- if (tc->last_tile->addr.value == addr.value)
- return &tc->last_tile->color;
-
- return lp_find_cached_tile( tc, addr );
-}
-
-
+lp_get_cached_tile(struct llvmpipe_tile_cache *tc,
+ unsigned x, unsigned y );
#endif /* LP_TILE_CACHE_H */