rgtc: llvmpipe/softpipe refuse RGTC until u_format has support.

[mesa.git] / src / gallium / drivers / softpipe / sp_tile_cache.h

diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.h b/src/gallium/drivers/softpipe/sp_tile_cache.h
index 1596cd0ae7622db0802d27ad73761fa0b7daf6ee..68140b1d2f9f0965304feec0d90825c7ee6200af 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_tile_cache.h
+++ b/src/gallium/drivers/softpipe/sp_tile_cache.h
@@ -28,10 +28,9 @@
 #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;
@@ -40,20 +39,22 @@ 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 z:12;            /* 4096 -- z not tiled */
-      unsigned face:3;
-      unsigned level:4;
+      unsigned x:TILE_ADDR_BITS;     /* 16K / TILE_SIZE */
+      unsigned y:TILE_ADDR_BITS;     /* 16K / TILE_SIZE */
       unsigned invalid:1;
+      unsigned pad:15;
    } bits;
    unsigned value;
 };
@@ -61,7 +62,6 @@ union tile_address {
 
 struct softpipe_cached_tile
 {
-   union tile_address addr;
    union {
       float color[TILE_SIZE][TILE_SIZE][4];
       uint color32[TILE_SIZE][TILE_SIZE];
@@ -75,39 +75,29 @@ struct softpipe_cached_tile
 #define NUM_ENTRIES 50
 
 
-/** XXX move these */
-#define MAX_WIDTH 2048
-#define MAX_HEIGHT 2048
-
-
 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 pipe_texture *texture;  /**< if caching a texture */
-   unsigned timestamp;
-
-   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 pipe_transfer *tex_trans;
-   void *tex_trans_map;
-   int tex_face, tex_level, tex_z;
-
-   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);
@@ -125,13 +115,6 @@ sp_tile_cache_map_transfers(struct softpipe_tile_cache *tc);
 extern void
 sp_tile_cache_unmap_transfers(struct softpipe_tile_cache *tc);
 
-extern void
-sp_tile_cache_set_texture(struct softpipe_tile_cache *tc,
-                          struct pipe_texture *texture);
-
-void
-sp_tile_cache_validate_texture(struct softpipe_tile_cache *tc);
-
 extern void
 sp_flush_tile_cache(struct softpipe_tile_cache *tc);
 
@@ -143,49 +126,29 @@ extern struct softpipe_cached_tile *
 sp_find_cached_tile(struct softpipe_tile_cache *tc, 
                     union tile_address addr );
 
-extern const struct softpipe_cached_tile *
-sp_find_cached_tile_tex(struct softpipe_tile_cache *tc, 
-                         union tile_address addr );
 
-static INLINE const union tile_address
+static INLINE union tile_address
 tile_address( unsigned x,
-              unsigned y,
-              unsigned z,
-              unsigned face,
-              unsigned level )
+              unsigned y )
 {
    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 const struct softpipe_cached_tile *
-sp_get_cached_tile_tex(struct softpipe_tile_cache *tc, 
-                         union tile_address addr )
-{
-   if (tc->last_tile->addr.value == addr.value)
-      return tc->last_tile;
-
-   return sp_find_cached_tile_tex( tc, addr );
-}
-
-
 static INLINE struct softpipe_cached_tile *
 sp_get_cached_tile(struct softpipe_tile_cache *tc, 
                    int x, int y )
 {
-   union tile_address addr = tile_address( x, y, 0, 0, 0 );
+   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 );