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fix mem leak, add comments

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This commit is contained in:
Brian 2007-03-26 09:23:44 -06:00
parent bb0393a0cd
commit b9fbedd601
1 changed files with 15 additions and 3 deletions
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18
src/mesa/shader/shader_api.c
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@ -67,6 +67,10 @@ _mesa_new_shader_program(GLcontext *ctx, GLuint name)
}
/**
* Free the data that hangs off a shader program object, but not the object
* itself.
*/
void
_mesa_free_shader_program_data(GLcontext *ctx,
struct gl_shader_program *shProg)
@ -104,11 +108,17 @@ _mesa_free_shader_program_data(GLcontext *ctx,
}
/**
* Free/delete a shader program object.
*/
void
_mesa_free_shader_program(GLcontext *ctx, struct gl_shader_program *shProg)
{
_mesa_free_shader_program_data(ctx, shProg);
if (shProg->Shaders) {
_mesa_free(shProg->Shaders);
shProg->Shaders = NULL;
}
_mesa_free(shProg);
}
@ -431,6 +441,10 @@ _mesa_detach_shader(GLcontext *ctx, GLuint program, GLuint shader)
/* found it */
shProg->Shaders[i]->RefCount--;
if (shProg->Shaders[i]->RefCount == 0) {
/* delete now */
_mesa_free_shader(ctx, shProg->Shaders[i]);
}
/* alloc new, smaller array */
newList = (struct gl_shader **)
@ -446,8 +460,6 @@ _mesa_detach_shader(GLcontext *ctx, GLuint program, GLuint shader)
newList[j++] = shProg->Shaders[i];
_mesa_free(shProg->Shaders);
/* XXX refcounting! */
shProg->Shaders = newList;
return;
}