/* Too complex to figure out, just check every time:
*/
static void check_program_state( struct st_context *st )
{
struct gl_context *ctx = st->ctx;
struct st_vertex_program *old_vp = st->vp;
struct st_tessctrl_program *old_tcp = st->tcp;
struct st_tesseval_program *old_tep = st->tep;
struct st_geometry_program *old_gp = st->gp;
struct st_fragment_program *old_fp = st->fp;
struct gl_vertex_program *new_vp = ctx->VertexProgram._Current;
struct gl_tess_ctrl_program *new_tcp = ctx->TessCtrlProgram._Current;
struct gl_tess_eval_program *new_tep = ctx->TessEvalProgram._Current;
struct gl_geometry_program *new_gp = ctx->GeometryProgram._Current;
struct gl_fragment_program *new_fp = ctx->FragmentProgram._Current;
uint64_t dirty = 0;
/* Flag states used by both new and old shaders to unbind shader resources
* properly when transitioning to shaders that don't use them.
*/
if (unlikely(new_vp != &old_vp->Base)) {
if (old_vp)
dirty |= old_vp->affected_states;
if (new_vp)
dirty |= ST_NEW_VERTEX_PROGRAM(st, st_vertex_program(new_vp));
}
if (unlikely(new_tcp != &old_tcp->Base)) {
if (old_tcp)
dirty |= old_tcp->affected_states;
if (new_tcp)
dirty |= st_tessctrl_program(new_tcp)->affected_states;
}
if (unlikely(new_tep != &old_tep->Base)) {
if (old_tep)
dirty |= old_tep->affected_states;
if (new_tep)
dirty |= st_tesseval_program(new_tep)->affected_states;
}
if (unlikely(new_gp != &old_gp->Base)) {
if (old_gp)
dirty |= old_gp->affected_states;
if (new_gp)
dirty |= st_geometry_program(new_gp)->affected_states;
}
if (unlikely(new_fp != &old_fp->Base)) {
if (old_fp)
dirty |= old_fp->affected_states;
if (new_fp)
dirty |= st_fragment_program(new_fp)->affected_states;
}
st->dirty |= dirty;
st->gfx_shaders_may_be_dirty = false;
}
static void
update_tep( struct st_context *st )
{
struct st_tesseval_program *sttep;
if (!st->ctx->TessEvalProgram._Current) {
cso_set_tesseval_shader_handle(st->cso_context, NULL);
st_reference_tesseprog(st, &st->tep, NULL);
return;
}
sttep = st_tesseval_program(st->ctx->TessEvalProgram._Current);
assert(sttep->Base.Base.Target == GL_TESS_EVALUATION_PROGRAM_NV);
st->tep_variant = st_get_basic_variant(st, PIPE_SHADER_TESS_EVAL,
&sttep->tgsi, &sttep->variants);
st_reference_tesseprog(st, &st->tep, sttep);
cso_set_tesseval_shader_handle(st->cso_context,
st->tep_variant->driver_shader);
}
