C++ (Cpp) r300_translate_vertex_shaderの例

コード例 #1

ファイル: r300_vs.c プロジェクト: Bluerise/bitrig-xenocara

static void r300_dummy_vertex_shader(
    struct r300_context* r300,
    struct r300_vertex_shader* shader)
{
    struct ureg_program *ureg;
    struct ureg_dst dst;
    struct ureg_src imm;

    /* Make a simple vertex shader which outputs (0, 0, 0, 1),
     * effectively rendering nothing. */
    ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
    dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
    imm = ureg_imm4f(ureg, 0, 0, 0, 1);

    ureg_MOV(ureg, dst, imm);
    ureg_END(ureg);

    shader->state.tokens = tgsi_dup_tokens(ureg_finalize(ureg));
    ureg_destroy(ureg);

    shader->dummy = TRUE;
    r300_init_vs_outputs(r300, shader);
    r300_translate_vertex_shader(r300, shader);
}

コード例 #2

ファイル: r300_state.c プロジェクト: MttDs/new-rexeno-tindpe

static void r300_bind_vs_state(struct pipe_context* pipe, void* shader)
{
    struct r300_context* r300 = r300_context(pipe);

    draw_flush(r300->draw);

    if (r300_screen(pipe->screen)->caps->has_tcl) {
        struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;

        if (vs == NULL) {
            r300->vs = NULL;
            return;
        } else if (!vs->translated) {
            r300_translate_vertex_shader(r300, vs);
        }

        draw_bind_vertex_shader(r300->draw, vs->draw);
        r300->vs = vs;
        r300->dirty_state |= R300_NEW_VERTEX_SHADER | R300_NEW_VERTEX_SHADER_CONSTANTS;
    } else {
        draw_bind_vertex_shader(r300->draw,
                (struct draw_vertex_shader*)shader);
    }
}