mesa: set the gl_FragDepth layout in the GLSL linker
[mesa.git] / src / mesa / program / prog_cache.c
index 8af689754bbd85730b5e3cd7cf0ce00c3925a0fa..2ccedb5d7d0d80547a9f0344f13bb5302a2c40e1 100644 (file)
@@ -29,6 +29,7 @@
 #include "main/glheader.h"
 #include "main/mtypes.h"
 #include "main/imports.h"
+#include "main/shaderobj.h"
 #include "program/prog_cache.h"
 #include "program/program.h"
 
@@ -104,7 +105,8 @@ rehash(struct gl_program_cache *cache)
 
 
 static void
-clear_cache(GLcontext *ctx, struct gl_program_cache *cache)
+clear_cache(struct gl_context *ctx, struct gl_program_cache *cache,
+           GLboolean shader)
 {
    struct cache_item *c, *next;
    GLuint i;
@@ -115,7 +117,13 @@ clear_cache(GLcontext *ctx, struct gl_program_cache *cache)
       for (c = cache->items[i]; c; c = next) {
         next = c->next;
         free(c->key);
-         _mesa_reference_program(ctx, &c->program, NULL);
+        if (shader) {
+           _mesa_reference_shader_program(ctx,
+                                          (struct gl_shader_program **)&c->program,
+                                          NULL);
+        } else {
+           _mesa_reference_program(ctx, &c->program, NULL);
+        }
         free(c);
       }
       cache->items[i] = NULL;
@@ -145,9 +153,18 @@ _mesa_new_program_cache(void)
 
 
 void
-_mesa_delete_program_cache(GLcontext *ctx, struct gl_program_cache *cache)
+_mesa_delete_program_cache(struct gl_context *ctx, struct gl_program_cache *cache)
 {
-   clear_cache(ctx, cache);
+   clear_cache(ctx, cache, GL_FALSE);
+   free(cache->items);
+   free(cache);
+}
+
+void
+_mesa_delete_shader_cache(struct gl_context *ctx,
+                         struct gl_program_cache *cache)
+{
+   clear_cache(ctx, cache, GL_TRUE);
    free(cache->items);
    free(cache);
 }
@@ -178,7 +195,7 @@ _mesa_search_program_cache(struct gl_program_cache *cache,
 
 
 void
-_mesa_program_cache_insert(GLcontext *ctx,
+_mesa_program_cache_insert(struct gl_context *ctx,
                            struct gl_program_cache *cache,
                            const void *key, GLuint keysize,
                            struct gl_program *program)
@@ -197,7 +214,35 @@ _mesa_program_cache_insert(GLcontext *ctx,
       if (cache->size < 1000)
         rehash(cache);
       else 
-        clear_cache(ctx, cache);
+        clear_cache(ctx, cache, GL_FALSE);
+   }
+
+   cache->n_items++;
+   c->next = cache->items[hash % cache->size];
+   cache->items[hash % cache->size] = c;
+}
+
+void
+_mesa_shader_cache_insert(struct gl_context *ctx,
+                         struct gl_program_cache *cache,
+                         const void *key, GLuint keysize,
+                         struct gl_shader_program *program)
+{
+   const GLuint hash = hash_key(key, keysize);
+   struct cache_item *c = CALLOC_STRUCT(cache_item);
+
+   c->hash = hash;
+
+   c->key = malloc(keysize);
+   memcpy(c->key, key, keysize);
+
+   c->program = (struct gl_program *)program;  /* no refcount change */
+
+   if (cache->n_items > cache->size * 1.5) {
+      if (cache->size < 1000)
+        rehash(cache);
+      else
+        clear_cache(ctx, cache, GL_TRUE);
    }
 
    cache->n_items++;