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);
}
void st_destroy_context( struct st_context *st )
{
struct pipe_context *pipe = st->pipe;
struct gl_context *ctx = st->ctx;
GLuint i;
_mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st);
st_reference_fragprog(st, &st->fp, NULL);
st_reference_geomprog(st, &st->gp, NULL);
st_reference_vertprog(st, &st->vp, NULL);
st_reference_tesscprog(st, &st->tcp, NULL);
st_reference_tesseprog(st, &st->tep, NULL);
st_reference_compprog(st, &st->cp, NULL);
/* release framebuffer surfaces */
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
}
pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
pipe_sampler_view_reference(&st->pixel_xfer.pixelmap_sampler_view, NULL);
pipe_resource_reference(&st->pixel_xfer.pixelmap_texture, NULL);
_vbo_DestroyContext(ctx);
st_destroy_program_variants(st);
_mesa_free_context_data(ctx);
/* This will free the st_context too, so 'st' must not be accessed
* afterwards. */
st_destroy_context_priv(st);
st = NULL;
pipe->destroy( pipe );
free(ctx);
}