select_id_info.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "gpu_shader_create_info.hh"
#include "select_defines.hh"
 
/* -------------------------------------------------------------------- */
GPU_SHADER_INTERFACE_INFO(select_id_iface, "").flat(Type::INT, "select_id");
 
GPU_SHADER_CREATE_INFO(select_id_flat)
    .push_constant(Type::FLOAT, "sizeVertex")
    .push_constant(Type::INT, "offset")
    .push_constant(Type::FLOAT, "retopologyOffset")
    .vertex_in(0, Type::VEC3, "pos")
    .vertex_in(1, Type::INT, "index")
    .vertex_out(select_id_iface)
    .fragment_out(0, Type::UINT, "fragColor")
    .vertex_source("select_id_vert.glsl")
    .fragment_source("select_id_frag.glsl")
    .additional_info("draw_modelmat")
    .do_static_compilation(true);
 
GPU_SHADER_CREATE_INFO(select_id_uniform)
    .define("UNIFORM_ID")
    .push_constant(Type::FLOAT, "sizeVertex")
    .push_constant(Type::INT, "select_id")
    .push_constant(Type::FLOAT, "retopologyOffset")
    .vertex_in(0, Type::VEC3, "pos")
    .fragment_out(0, Type::UINT, "fragColor")
    .vertex_source("select_id_vert.glsl")
    .fragment_source("select_id_frag.glsl")
    .additional_info("draw_modelmat")
    .do_static_compilation(true);
 
GPU_SHADER_CREATE_INFO(select_id_flat_clipped)
    .additional_info("select_id_flat")
    .additional_info("drw_clipped")
    .do_static_compilation(true);
 
GPU_SHADER_CREATE_INFO(select_id_uniform_clipped)
    .additional_info("select_id_uniform")
    .additional_info("drw_clipped")
    .do_static_compilation(true);
 
/* Used to patch overlay shaders. */
GPU_SHADER_CREATE_INFO(select_id_patch)
    .typedef_source("select_shader_shared.hh")
    .vertex_out(select_id_iface)
    /* Need to make sure the depth & stencil comparison runs before the fragment shader. */
    .early_fragment_test(true)
    .uniform_buf(SELECT_DATA, "SelectInfoData", "select_info_buf")
    /* Select IDs for instanced draw-calls not using #PassMain. */
    .storage_buf(SELECT_ID_IN, Qualifier::READ, "int", "in_select_buf[]")
    /* Stores the result of the whole selection drawing. Content depends on selection mode. */
    .storage_buf(SELECT_ID_OUT, Qualifier::READ_WRITE, "uint", "out_select_buf[]");
 
GPU_SHADER_CREATE_INFO(select_debug_fullscreen)
    .additional_info("draw_fullscreen")
    .fragment_source("select_debug_frag.glsl")
    .sampler(0, ImageType::UINT_2D, "image")
    .fragment_out(0, Type::VEC4, "fragColor")
    .do_static_compilation(true);