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authorKeith Whitwell <keith@tungstengraphics.com>2006-05-22 14:17:32 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2006-05-22 14:17:32 +0000
commit5ddc53f899598396003ec6c723f8132c76aafe79 (patch)
tree5cbcc879ad55cdc0da34fe00457028a18cb81b81 /src/mesa/main
parent7e3fa7e837aaf687996abdd8511f6bf32e2c9097 (diff)
Better caching for texenv programs.
Initialize some values correctly.
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/mtypes.h11
-rw-r--r--src/mesa/main/texenvprogram.c75
-rw-r--r--src/mesa/main/texenvprogram.h1
-rw-r--r--src/mesa/main/texstate.c2
4 files changed, 71 insertions, 18 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index e52e0bae5e..1bafaf3485 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1514,11 +1514,16 @@ struct gl_texture_unit
GLboolean ColorTableEnabled;
};
-struct texenvprog_cache {
+struct texenvprog_cache_item {
GLuint hash;
void *key;
void *data;
- struct texenvprog_cache *next;
+ struct texenvprog_cache_item *next;
+};
+
+struct texenvprog_cache {
+ struct texenvprog_cache_item **items;
+ GLuint size, n_items;
};
/**
@@ -1551,7 +1556,7 @@ struct gl_texture_attrib
struct gl_color_table Palette;
/** Cached texenv fragment programs */
- struct texenvprog_cache *env_fp_cache;
+ struct texenvprog_cache env_fp_cache;
};
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 520ea02b61..63c93c96fc 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -1023,6 +1023,10 @@ create_new_program(struct state_key *key, GLcontext *ctx,
p.src_texture[unit] = undef;
p.src_previous = undef;
+ p.half = undef;
+ p.zero = undef;
+ p.one = undef;
+
p.last_tex_stage = 0;
release_temps(&p);
@@ -1106,27 +1110,53 @@ static void *search_cache( struct texenvprog_cache *cache,
const void *key,
GLuint keysize)
{
- struct texenvprog_cache *c;
+ struct texenvprog_cache_item *c;
- for (c = cache; c; c = c->next) {
- if (c->hash == hash && _mesa_memcmp(c->key, key, keysize) == 0)
+ for (c = cache->items[hash % cache->size]; c; c = c->next) {
+ if (c->hash == hash && memcmp(c->key, key, keysize) == 0)
return c->data;
}
return NULL;
}
-static void cache_item( struct texenvprog_cache **cache,
+static void rehash( struct texenvprog_cache *cache )
+{
+ struct texenvprog_cache_item **items;
+ struct texenvprog_cache_item *c, *next;
+ GLuint size, i;
+
+ size = cache->size * 3;
+ items = (struct texenvprog_cache_item**) _mesa_malloc(size * sizeof(*items));
+ _mesa_memset(items, 0, size * sizeof(*items));
+
+ for (i = 0; i < cache->size; i++)
+ for (c = cache->items[i]; c; c = next) {
+ next = c->next;
+ c->next = items[c->hash % size];
+ items[c->hash % size] = c;
+ }
+
+ _mesa_free(cache->items);
+ cache->items = items;
+ cache->size = size;
+}
+
+static void cache_item( struct texenvprog_cache *cache,
GLuint hash,
void *key,
void *data )
{
- struct texenvprog_cache *c = CALLOC_STRUCT(texenvprog_cache);
+ struct texenvprog_cache_item *c = MALLOC(sizeof(*c));
c->hash = hash;
c->key = key;
c->data = data;
- c->next = *cache;
- *cache = c;
+
+ if (++cache->n_items > cache->size * 1.5)
+ rehash(cache);
+
+ c->next = cache->items[hash % cache->size];
+ cache->items[hash % cache->size] = c;
}
static GLuint hash_key( struct state_key *key )
@@ -1154,7 +1184,7 @@ void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
ctx->FragmentProgram._Current = ctx->_TexEnvProgram =
(struct fragment_program *)
- search_cache(ctx->Texture.env_fp_cache, hash, key, sizeof(*key));
+ search_cache(&ctx->Texture.env_fp_cache, hash, key, sizeof(*key));
if (!ctx->_TexEnvProgram) {
if (0) _mesa_printf("Building new texenv proggy for key %x\n", hash);
@@ -1184,14 +1214,29 @@ void _mesa_UpdateTexEnvProgram( GLcontext *ctx )
}
}
+
+void _mesa_TexEnvProgramCacheInit( GLcontext *ctx )
+{
+ ctx->Texture.env_fp_cache.size = 17;
+ ctx->Texture.env_fp_cache.n_items = 0;
+ ctx->Texture.env_fp_cache.items = (struct texenvprog_cache_item **)
+ _mesa_calloc(ctx->Texture.env_fp_cache.size *
+ sizeof(struct texenvprog_cache_item));
+}
+
+
void _mesa_TexEnvProgramCacheDestroy( GLcontext *ctx )
{
- struct texenvprog_cache *a, *tmp;
+ struct texenvprog_cache_item *c, *next;
+ GLuint i;
- for (a = ctx->Texture.env_fp_cache; a; a = tmp) {
- tmp = a->next;
- _mesa_free(a->key);
- ctx->Driver.DeleteProgram(ctx, (struct program *) a->data);
- _mesa_free(a);
- }
+ for (i = 0; i < ctx->Texture.env_fp_cache.size; i++)
+ for (c = ctx->Texture.env_fp_cache.items[i]; c; c = next) {
+ next = c->next;
+ _mesa_free(c->key);
+ _mesa_free(c->data);
+ _mesa_free(c);
+ }
+
+ _mesa_free(ctx->Texture.env_fp_cache.items);
}
diff --git a/src/mesa/main/texenvprogram.h b/src/mesa/main/texenvprogram.h
index 30c8cca388..6f017767c8 100644
--- a/src/mesa/main/texenvprogram.h
+++ b/src/mesa/main/texenvprogram.h
@@ -35,6 +35,7 @@
#include "mtypes.h"
extern void _mesa_UpdateTexEnvProgram( GLcontext *ctx );
+extern void _mesa_TexEnvProgramCacheInit( GLcontext *ctx );
extern void _mesa_TexEnvProgramCacheDestroy( GLcontext *ctx );
#endif
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 7e762edd25..ea3873c380 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -3198,6 +3198,8 @@ _mesa_init_texture(GLcontext *ctx)
ctx->Texture.SharedPalette = GL_FALSE;
_mesa_init_colortable(&ctx->Texture.Palette);
+ _mesa_TexEnvProgramCacheInit( ctx );
+
/* Allocate proxy textures */
if (!alloc_proxy_textures( ctx ))
return GL_FALSE;