C++ (Cpp) _mesa_free_shader_programの例

コード例 #1

ファイル: shared.c プロジェクト: toastpp/toastpp

/**
 * Callback for deleting shader and shader programs objects.
 * Called by _mesa_HashDeleteAll().
 */
static void
delete_shader_cb(GLuint id, void *data, void *userData)
{
   GLcontext *ctx = (GLcontext *) userData;
   struct gl_shader *sh = (struct gl_shader *) data;
   if (sh->Type == GL_FRAGMENT_SHADER || sh->Type == GL_VERTEX_SHADER) {
      _mesa_free_shader(ctx, sh);
   }
   else {
      struct gl_shader_program *shProg = (struct gl_shader_program *) data;
      ASSERT(shProg->Type == GL_SHADER_PROGRAM_MESA);
      _mesa_free_shader_program(ctx, shProg);
   }
}

コード例 #2

ファイル: shader_api.c プロジェクト: Starlink/mesa

/* XXX this could be static */
void
_mesa_reference_shader_program(GLcontext *ctx,
                               struct gl_shader_program **ptr,
                               struct gl_shader_program *shProg)
{
   assert(ptr);
   if (*ptr == shProg) {
      /* no-op */
      return;
   }
   if (*ptr) {
      /* Unreference the old shader program */
      GLboolean deleteFlag = GL_FALSE;
      struct gl_shader_program *old = *ptr;

      ASSERT(old->RefCount > 0);
      old->RefCount--;
      /*printf("SHPROG DECR %p (%d) to %d\n",
        (void*) old, old->Name, old->RefCount);*/
      deleteFlag = (old->RefCount == 0);

      if (deleteFlag) {
         _mesa_HashRemove(ctx->Shared->ShaderObjects, old->Name);
         _mesa_free_shader_program(ctx, old);
      }

      *ptr = NULL;
   }
   assert(!*ptr);

   if (shProg) {
      shProg->RefCount++;
      /*printf("SHPROG INCR %p (%d) to %d\n",
        (void*) shProg, shProg->Name, shProg->RefCount);*/
      *ptr = shProg;
   }
}