Пример #1
0
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;
}
Пример #2
0
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);
}