void r300_translate_vertex_shader(struct r300_context* r300,
struct r300_vertex_shader* vs)
{
struct r300_vertex_program_compiler compiler;
struct tgsi_to_rc ttr;
/* Initialize. */
r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
/* Setup the compiler */
rc_init(&compiler.Base);
compiler.Base.Debug = DBG_ON(r300, DBG_VP);
compiler.code = &vs->code;
compiler.UserData = vs;
if (compiler.Base.Debug) {
debug_printf("r300: Initial vertex program\n");
tgsi_dump(vs->state.tokens, 0);
}
/* Translate TGSI to our internal representation */
ttr.compiler = &compiler.Base;
ttr.info = &vs->info;
ttr.use_half_swizzles = FALSE;
r300_tgsi_to_rc(&ttr, vs->state.tokens);
compiler.RequiredOutputs = ~(~0 << (vs->info.num_outputs+1));
compiler.SetHwInputOutput = &set_vertex_inputs_outputs;
/* Insert the WPOS output. */
r300_insert_wpos(&compiler, &vs->outputs);
r300_shader_vap_output_fmt(vs);
r300_stream_locations_notcl(&vs->outputs, vs->stream_loc_notcl);
/* Invoke the compiler */
r3xx_compile_vertex_program(&compiler);
if (compiler.Base.Error) {
/* XXX We should fallback using Draw. */
fprintf(stderr, "r300 VP: Compiler error\n");
abort();
}
/* And, finally... */
rc_destroy(&compiler.Base);
vs->translated = TRUE;
}
void r300_init_vs_outputs(struct r300_context *r300,
struct r300_vertex_shader *vs)
{
tgsi_scan_shader(vs->state.tokens, &vs->info);
r300_shader_read_vs_outputs(r300, &vs->info, &vs->outputs);
}