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Working sky shader implementation
This commit is contained in:
clayjohn
@@ -522,255 +522,6 @@ RasterizerStorageRD::MaterialData *RasterizerSceneHighEndRD::_create_material_fu
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return material_data;
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}
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/* SKY SHADER */
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void RasterizerSceneHighEndRD::SkyShaderData::set_code(const String &p_code) {
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//compile
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code = p_code;
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valid = false;
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ubo_size = 0;
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uniforms.clear();
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if (code == String()) {
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return; //just invalid, but no error
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}
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ShaderCompilerRD::GeneratedCode gen_code;
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ShaderCompilerRD::IdentifierActions actions;
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// actions.render_mode_values["blend_add"] = Pair<int *, int>(&blend_mode, BLEND_MODE_ADD);
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// actions.usage_flag_pointers["ALPHA"] = &uses_alpha;
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actions.uniforms = &uniforms;
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RasterizerSceneHighEndRD *scene_singleton = (RasterizerSceneHighEndRD *)RasterizerSceneHighEndRD::singleton;
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Error err = scene_singleton->sky_shader.compiler.compile(VS::SHADER_SKY, code, &actions, path, gen_code);
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ERR_FAIL_COND(err != OK);
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if (version.is_null()) {
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version = scene_singleton->sky_shader.shader.version_create();
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}
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#if 0
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print_line("**compiling shader:");
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print_line("**defines:\n");
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for (int i = 0; i < gen_code.defines.size(); i++) {
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print_line(gen_code.defines[i]);
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}
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print_line("\n**uniforms:\n" + gen_code.uniforms);
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// print_line("\n**vertex_globals:\n" + gen_code.vertex_global);
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// print_line("\n**vertex_code:\n" + gen_code.vertex);
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print_line("\n**fragment_globals:\n" + gen_code.fragment_global);
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print_line("\n**fragment_code:\n" + gen_code.fragment);
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print_line("\n**light_code:\n" + gen_code.light);
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#endif
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scene_singleton->sky_shader.shader.version_set_code(version, gen_code.uniforms, gen_code.vertex_global, gen_code.vertex, gen_code.fragment_global, gen_code.light, gen_code.fragment, gen_code.defines);
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ERR_FAIL_COND(!scene_singleton->sky_shader.shader.version_is_valid(version));
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ubo_size = gen_code.uniform_total_size;
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ubo_offsets = gen_code.uniform_offsets;
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texture_uniforms = gen_code.texture_uniforms;
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//update pipelines
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for (int i = 0; i < SKY_VERSION_MAX; i++) {
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RD::PipelineDepthStencilState depth_stencil_state;
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depth_stencil_state.enable_depth_test = false;
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RID shader_variant = scene_singleton->sky_shader.shader.version_get_shader(version, i);
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pipelines[i].setup(shader_variant, RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), depth_stencil_state, RD::PipelineColorBlendState::create_disabled(), 0);
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}
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valid = true;
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}
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void RasterizerSceneHighEndRD::SkyShaderData::set_default_texture_param(const StringName &p_name, RID p_texture) {
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if (!p_texture.is_valid()) {
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default_texture_params.erase(p_name);
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} else {
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default_texture_params[p_name] = p_texture;
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}
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}
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void RasterizerSceneHighEndRD::SkyShaderData::get_param_list(List<PropertyInfo> *p_param_list) const {
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Map<int, StringName> order;
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for (Map<StringName, ShaderLanguage::ShaderNode::Uniform>::Element *E = uniforms.front(); E; E = E->next()) {
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if (E->get().texture_order >= 0) {
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order[E->get().texture_order + 100000] = E->key();
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} else {
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order[E->get().order] = E->key();
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}
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}
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for (Map<int, StringName>::Element *E = order.front(); E; E = E->next()) {
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PropertyInfo pi = ShaderLanguage::uniform_to_property_info(uniforms[E->get()]);
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pi.name = E->get();
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p_param_list->push_back(pi);
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}
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}
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bool RasterizerSceneHighEndRD::SkyShaderData::is_param_texture(const StringName &p_param) const {
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if (!uniforms.has(p_param)) {
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return false;
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}
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return uniforms[p_param].texture_order >= 0;
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}
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bool RasterizerSceneHighEndRD::SkyShaderData::is_animated() const {
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return false;
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}
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bool RasterizerSceneHighEndRD::SkyShaderData::casts_shadows() const {
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return false;
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}
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Variant RasterizerSceneHighEndRD::SkyShaderData::get_default_parameter(const StringName &p_parameter) const {
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if (uniforms.has(p_parameter)) {
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ShaderLanguage::ShaderNode::Uniform uniform = uniforms[p_parameter];
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Vector<ShaderLanguage::ConstantNode::Value> default_value = uniform.default_value;
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return ShaderLanguage::constant_value_to_variant(default_value, uniform.type, uniform.hint);
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}
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return Variant();
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}
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RasterizerSceneHighEndRD::SkyShaderData::SkyShaderData() {
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valid = false;
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}
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RasterizerSceneHighEndRD::SkyShaderData::~SkyShaderData() {
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RasterizerSceneHighEndRD *scene_singleton = (RasterizerSceneHighEndRD *)RasterizerSceneHighEndRD::singleton;
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ERR_FAIL_COND(!scene_singleton);
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//pipeline variants will clear themselves if shader is gone
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if (version.is_valid()) {
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scene_singleton->sky_shader.shader.version_free(version);
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}
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}
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RasterizerStorageRD::ShaderData *RasterizerSceneHighEndRD::_create_sky_shader_func() {
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SkyShaderData *shader_data = memnew(SkyShaderData);
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return shader_data;
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}
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void RasterizerSceneHighEndRD::SkyMaterialData::set_render_priority(int p_priority) {
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priority = p_priority - VS::MATERIAL_RENDER_PRIORITY_MIN; //8 bits
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}
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void RasterizerSceneHighEndRD::SkyMaterialData::set_next_pass(RID p_pass) {
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next_pass = p_pass;
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}
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void RasterizerSceneHighEndRD::SkyMaterialData::update_parameters(const Map<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty) {
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RasterizerSceneHighEndRD *scene_singleton = (RasterizerSceneHighEndRD *)RasterizerSceneHighEndRD::singleton;
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if ((uint32_t)ubo_data.size() != shader_data->ubo_size) {
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p_uniform_dirty = true;
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if (uniform_buffer.is_valid()) {
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RD::get_singleton()->free(uniform_buffer);
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uniform_buffer = RID();
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}
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ubo_data.resize(shader_data->ubo_size);
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if (ubo_data.size()) {
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uniform_buffer = RD::get_singleton()->uniform_buffer_create(ubo_data.size());
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memset(ubo_data.ptrw(), 0, ubo_data.size()); //clear
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}
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//clear previous uniform set
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if (uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(uniform_set)) {
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RD::get_singleton()->free(uniform_set);
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uniform_set = RID();
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}
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}
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//check whether buffer changed
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if (p_uniform_dirty && ubo_data.size()) {
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update_uniform_buffer(shader_data->uniforms, shader_data->ubo_offsets.ptr(), p_parameters, ubo_data.ptrw(), ubo_data.size(), false);
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RD::get_singleton()->buffer_update(uniform_buffer, 0, ubo_data.size(), ubo_data.ptrw());
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}
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uint32_t tex_uniform_count = shader_data->texture_uniforms.size();
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if ((uint32_t)texture_cache.size() != tex_uniform_count) {
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texture_cache.resize(tex_uniform_count);
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p_textures_dirty = true;
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//clear previous uniform set
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if (uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(uniform_set)) {
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RD::get_singleton()->free(uniform_set);
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uniform_set = RID();
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}
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}
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if (p_textures_dirty && tex_uniform_count) {
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update_textures(p_parameters, shader_data->default_texture_params, shader_data->texture_uniforms, texture_cache.ptrw(), true);
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}
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if (shader_data->ubo_size == 0 && shader_data->texture_uniforms.size() == 0) {
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// This material does not require an uniform set, so don't create it.
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return;
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}
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if (!p_textures_dirty && uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(uniform_set)) {
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//no reason to update uniform set, only UBO (or nothing) was needed to update
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return;
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}
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Vector<RD::Uniform> uniforms;
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{
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if (shader_data->ubo_size) {
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RD::Uniform u;
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u.type = RD::UNIFORM_TYPE_UNIFORM_BUFFER;
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u.binding = 0;
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u.ids.push_back(uniform_buffer);
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uniforms.push_back(u);
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}
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const RID *textures = texture_cache.ptrw();
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for (uint32_t i = 0; i < tex_uniform_count; i++) {
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RD::Uniform u;
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u.type = RD::UNIFORM_TYPE_TEXTURE;
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u.binding = 1 + i;
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u.ids.push_back(textures[i]);
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uniforms.push_back(u);
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}
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}
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uniform_set = RD::get_singleton()->uniform_set_create(uniforms, scene_singleton->sky_shader.shader.version_get_shader(shader_data->version, 0), 2);
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}
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RasterizerSceneHighEndRD::SkyMaterialData::~SkyMaterialData() {
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if (uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(uniform_set)) {
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RD::get_singleton()->free(uniform_set);
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}
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if (uniform_buffer.is_valid()) {
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RD::get_singleton()->free(uniform_buffer);
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}
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}
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RasterizerStorageRD::MaterialData *RasterizerSceneHighEndRD::_create_sky_material_func(SkyShaderData *p_shader) {
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SkyMaterialData *material_data = memnew(SkyMaterialData);
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material_data->shader_data = p_shader;
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material_data->last_frame = false;
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//update will happen later anyway so do nothing.
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return material_data;
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}
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RasterizerSceneHighEndRD::RenderBufferDataHighEnd::~RenderBufferDataHighEnd() {
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clear();
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}
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@@ -1544,72 +1295,6 @@ void RasterizerSceneHighEndRD::_fill_render_list(InstanceBase **p_cull_result, i
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}
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}
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void RasterizerSceneHighEndRD::_draw_sky(RD::DrawListID p_draw_list, RD::FramebufferFormatID p_fb_format, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform, float p_alpha) {
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ERR_FAIL_COND(!is_environment(p_environment));
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RID env_material = environment_get_bg_material(p_environment);
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ERR_FAIL_COND(!env_material.is_valid());
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SkyMaterialData *material = NULL;
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if (env_material.is_valid()) {
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material = (SkyMaterialData *)storage->material_get_data(env_material, RasterizerStorageRD::SHADER_TYPE_SKY);
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if (!material || !material->shader_data->valid) {
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material = NULL;
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}
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}
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if (!material) {
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env_material = sky_shader.default_material;
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material = (SkyMaterialData *)storage->material_get_data(env_material, RasterizerStorageRD::SHADER_TYPE_SKY);
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}
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ERR_FAIL_COND(!material);
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SkyShaderData *shader_data = material->shader_data;
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ERR_FAIL_COND(!shader_data);
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RenderPipelineVertexFormatCacheRD *pipeline = &shader_data->pipelines[SKY_VERSION_BACKGROUND];
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//@TODO need to gather parameters we source from our environment settings and feed into our material/shader
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// such as bg energy, sky transform, etc.
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// some we should remove and make part of our material settings instead of environment settings
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/*
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TODO need to change this to use our sky shader instead
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RID sky = environment_get_sky(p_environment);
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ERR_FAIL_COND(!sky.is_valid());
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RID panorama = sky_get_panorama_texture_rd(sky);
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ERR_FAIL_COND(!panorama.is_valid());
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Basis sky_transform = environment_get_sky_orientation(p_environment);
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sky_transform.invert();
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float multiplier = environment_get_bg_energy(p_environment);
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float custom_fov = environment_get_sky_custom_fov(p_environment);
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// Camera
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CameraMatrix camera;
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if (custom_fov) {
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float near_plane = p_projection.get_z_near();
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float far_plane = p_projection.get_z_far();
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float aspect = p_projection.get_aspect();
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camera.set_perspective(custom_fov, aspect, near_plane, far_plane);
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} else {
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camera = p_projection;
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}
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sky_transform = p_transform.basis * sky_transform;
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storage->get_effects()->render_panorama(p_draw_list, p_fb_format, panorama, camera, sky_transform, 1.0, multiplier);
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*/
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}
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void RasterizerSceneHighEndRD::_setup_reflections(RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, const Transform &p_camera_inverse_transform, RID p_environment) {
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for (int i = 0; i < p_reflection_probe_cull_count; i++) {
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@@ -1748,6 +1433,7 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig
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uint32_t light_count = 0;
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scene_state.ubo.directional_light_count = 0;
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sky_scene_state.directional_light_count = 0;
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for (int i = 0; i < p_light_cull_count; i++) {
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@@ -1823,6 +1509,27 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig
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light_data.fade_to = -light_data.shadow_split_offsets[3];
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}
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// Copy to SkyDirectionalLightData
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if (sky_scene_state.directional_light_count < sky_scene_state.max_directional_lights) {
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SkyDirectionalLightData &sky_light_data = sky_scene_state.directional_lights[sky_scene_state.directional_light_count];
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Vector3 world_direction = light_transform.basis.xform(Vector3(0, 0, 1)).normalized();
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sky_light_data.direction[0] = world_direction.x;
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sky_light_data.direction[1] = world_direction.y;
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sky_light_data.direction[2] = -world_direction.z;
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sky_light_data.energy = light_data.energy / Math_PI;
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sky_light_data.color[0] = light_data.color[0];
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sky_light_data.color[1] = light_data.color[1];
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sky_light_data.color[2] = light_data.color[2];
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sky_light_data.enabled = true;
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sky_scene_state.directional_light_count++;
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}
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scene_state.ubo.directional_light_count++;
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} break;
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case VS::LIGHT_SPOT:
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@@ -1993,6 +1700,7 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor
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scene_state.ubo.viewport_size[1] = vp_he.y;
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Size2 screen_pixel_size;
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Size2i screen_size;
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RID opaque_framebuffer;
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RID depth_framebuffer;
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RID alpha_framebuffer;
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@@ -2003,6 +1711,8 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor
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if (render_buffer) {
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screen_pixel_size.width = 1.0 / render_buffer->width;
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screen_pixel_size.height = 1.0 / render_buffer->height;
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screen_size.x = render_buffer->width;
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screen_size.y = render_buffer->height;
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opaque_framebuffer = render_buffer->color_fb;
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@@ -2043,6 +1753,8 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor
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uint32_t resolution = reflection_probe_instance_get_resolution(p_reflection_probe);
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screen_pixel_size.width = 1.0 / resolution;
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screen_pixel_size.height = 1.0 / resolution;
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screen_size.x = resolution;
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screen_size.y = resolution;
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opaque_framebuffer = reflection_probe_instance_get_framebuffer(p_reflection_probe, p_reflection_probe_pass);
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depth_framebuffer = reflection_probe_instance_get_depth_framebuffer(p_reflection_probe, p_reflection_probe_pass);
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@@ -2097,7 +1809,17 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor
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case VS::ENV_BG_SKY: {
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RID sky = environment_get_sky(p_environment);
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if (sky.is_valid()) {
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// TODO: change this, we need to check if our radiance texture is dirty and needs updating...
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RENDER_TIMESTAMP("Setup Sky");
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CameraMatrix projection = p_cam_projection;
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if (p_reflection_probe.is_valid()) {
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CameraMatrix correction;
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correction.set_depth_correction(true);
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projection = correction * p_cam_projection;
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}
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_setup_sky(p_environment, p_cam_transform.origin, screen_size);
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_update_sky(p_environment, projection, p_cam_transform);
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radiance_uniform_set = sky_get_radiance_uniform_set_rd(sky, default_shader_rd, RADIANCE_UNIFORM_SET);
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draw_sky = true;
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@@ -2192,9 +1914,7 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor
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projection = correction * p_cam_projection;
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}
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RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(opaque_framebuffer, RD::INITIAL_ACTION_CONTINUE, can_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, can_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ);
|
||||
_draw_sky(draw_list, RD::get_singleton()->framebuffer_get_format(opaque_framebuffer), p_environment, projection, p_cam_transform, 1.0);
|
||||
RD::get_singleton()->draw_list_end();
|
||||
_draw_sky(can_continue, opaque_framebuffer, p_environment, projection, p_cam_transform);
|
||||
|
||||
if (using_separate_specular && !can_continue) {
|
||||
//can't continue, so close the buffers
|
||||
@@ -2886,41 +2606,6 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag
|
||||
shader.compiler.initialize(actions);
|
||||
}
|
||||
|
||||
/* SKY SHADER */
|
||||
{
|
||||
// Initialize sky, we may need two modes here
|
||||
Vector<String> sky_modes;
|
||||
sky_modes.push_back(""); // background
|
||||
sky_shader.shader.initialize(sky_modes);
|
||||
}
|
||||
|
||||
// register our shader funds
|
||||
storage->shader_set_data_request_function(RasterizerStorageRD::SHADER_TYPE_SKY, _create_sky_shader_funcs);
|
||||
storage->material_set_data_request_function(RasterizerStorageRD::SHADER_TYPE_SKY, _create_sky_material_funcs);
|
||||
|
||||
{
|
||||
ShaderCompilerRD::DefaultIdentifierActions actions;
|
||||
|
||||
actions.renames["COLOR"] = "color";
|
||||
actions.renames["EYEDIR"] = "cube_normal";
|
||||
|
||||
// actions.usage_defines["TANGENT"] = "#define TANGENT_USED\n";
|
||||
|
||||
// actions.render_mode_defines["skip_vertex_transform"] = "#define SKIP_TRANSFORM_USED\n";
|
||||
|
||||
// are these correct?
|
||||
actions.sampler_array_name = "material_samplers";
|
||||
actions.base_texture_binding_index = 1;
|
||||
actions.texture_layout_set = 2;
|
||||
actions.base_uniform_string = "material.";
|
||||
actions.base_varying_index = 10;
|
||||
|
||||
actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP;
|
||||
actions.default_repeat = ShaderLanguage::REPEAT_ENABLE;
|
||||
|
||||
sky_shader.compiler.initialize(actions);
|
||||
}
|
||||
|
||||
//render list
|
||||
render_list.max_elements = GLOBAL_DEF_RST("rendering/limits/rendering/max_renderable_elements", (int)128000);
|
||||
render_list.init();
|
||||
@@ -2946,17 +2631,6 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag
|
||||
default_shader_rd = shader.scene_shader.version_get_shader(md->shader_data->version, SHADER_VERSION_COLOR_PASS);
|
||||
}
|
||||
|
||||
{
|
||||
// default material and shader for sky shader
|
||||
sky_shader.default_shader = storage->shader_create();
|
||||
storage->shader_set_code(sky_shader.default_shader, "shader_type sky; void fragment() { COLOR = vec3(0.0, 0.0, 0.0); } \n");
|
||||
sky_shader.default_material = storage->material_create();
|
||||
storage->material_set_shader(sky_shader.default_material, sky_shader.default_shader);
|
||||
|
||||
MaterialData *md = (MaterialData *)storage->material_get_data(sky_shader.default_material, RasterizerStorageRD::SHADER_TYPE_SKY);
|
||||
sky_shader.default_shader_rd = sky_shader.shader.version_get_shader(md->shader_data->version, SKY_VERSION_BACKGROUND);
|
||||
}
|
||||
|
||||
{
|
||||
|
||||
overdraw_material_shader = storage->shader_create();
|
||||
|
||||
Reference in New Issue
Block a user