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use cast wrappers for sanity checking

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This commit is contained in:
Brian 2006-12-20 09:57:56 -07:00
parent f2923613a4
commit 79a340bc15
1 changed files with 23 additions and 6 deletions
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29
src/mesa/shader/slang/slang_link2.c
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@ -269,6 +269,23 @@ slang_resolve_branches(struct gl_program *prog)
}
/** cast wrapper */
static struct gl_vertex_program *
vertex_program(struct gl_program *prog)
{
assert(prog->Target == GL_VERTEX_PROGRAM_ARB);
return (struct gl_vertex_program *) prog;
}
/** cast wrapper */
static struct gl_fragment_program *
fragment_program(struct gl_program *prog)
{
assert(prog->Target == GL_FRAGMENT_PROGRAM_ARB);
return (struct gl_fragment_program *) prog;
}
/**
* Shader linker. Currently:
@ -305,9 +322,9 @@ _slang_link2(GLcontext *ctx,
fragProg = NULL;
for (i = 0; i < shProg->NumShaders; i++) {
if (shProg->Shaders[i]->Type == GL_VERTEX_SHADER)
vertProg = (struct gl_vertex_program *) shProg->Shaders[i]->Programs[0];
vertProg = vertex_program(shProg->Shaders[i]->Programs[0]);
else if (shProg->Shaders[i]->Type == GL_FRAGMENT_SHADER)
fragProg = (struct gl_fragment_program *) shProg->Shaders[i]->Programs[0];
fragProg = fragment_program(shProg->Shaders[i]->Programs[0]);
else
_mesa_problem(ctx, "unexpected shader target in slang_link2()");
}
@ -329,10 +346,10 @@ _slang_link2(GLcontext *ctx,
* Make copies of the vertex/fragment programs now since we'll be
* changing src/dst registers after merging the uniforms and varying vars.
*/
shProg->VertexProgram = (struct gl_vertex_program *)
_mesa_clone_program(ctx, &vertProg->Base);
shProg->FragmentProgram = (struct gl_fragment_program *)
_mesa_clone_program(ctx, &fragProg->Base);
shProg->VertexProgram
= vertex_program(_mesa_clone_program(ctx, &vertProg->Base));
shProg->FragmentProgram
= fragment_program(_mesa_clone_program(ctx, &fragProg->Base));
link_varying_vars(shProg, &shProg->VertexProgram->Base);
link_varying_vars(shProg, &shProg->FragmentProgram->Base);