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material_storage.cpp
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/**************************************************************************/
/* material_storage.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "material_storage.h"
#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/io/resource_loader.h"
#include "servers/rendering/renderer_rd/forward_clustered/scene_shader_forward_clustered.h"
#include "servers/rendering/renderer_rd/forward_mobile/scene_shader_forward_mobile.h"
#include "servers/rendering/storage/variant_converters.h"
#include "texture_storage.h"
using namespace RendererRD;
///////////////////////////////////////////////////////////////////////////
// UBI helper functions
static void _fill_std140_variant_ubo_value(ShaderLanguage::DataType type, int p_array_size, const Variant &value, uint8_t *data, bool p_linear_color) {
switch (type) {
case ShaderLanguage::TYPE_BOOL: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
PackedInt32Array ba = value;
for (int i = 0; i < ba.size(); i++) {
ba.set(i, ba[i] ? 1 : 0);
}
write_array_std140<int32_t>(ba, gui, p_array_size, 4);
} else {
bool v = value;
gui[0] = v ? 1 : 0;
}
} break;
case ShaderLanguage::TYPE_BVEC2: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
PackedInt32Array ba = convert_array_std140<Vector2i, int32_t>(value);
for (int i = 0; i < ba.size(); i++) {
ba.set(i, ba[i] ? 1 : 0);
}
write_array_std140<Vector2i>(ba, gui, p_array_size, 4);
} else {
uint32_t v = value;
gui[0] = v & 1 ? 1 : 0;
gui[1] = v & 2 ? 1 : 0;
}
} break;
case ShaderLanguage::TYPE_BVEC3: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
PackedInt32Array ba = convert_array_std140<Vector3i, int32_t>(value);
for (int i = 0; i < ba.size(); i++) {
ba.set(i, ba[i] ? 1 : 0);
}
write_array_std140<Vector3i>(ba, gui, p_array_size, 4);
} else {
uint32_t v = value;
gui[0] = (v & 1) ? 1 : 0;
gui[1] = (v & 2) ? 1 : 0;
gui[2] = (v & 4) ? 1 : 0;
}
} break;
case ShaderLanguage::TYPE_BVEC4: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
PackedInt32Array ba = convert_array_std140<Vector4i, int32_t>(value);
for (int i = 0; i < ba.size(); i++) {
ba.set(i, ba[i] ? 1 : 0);
}
write_array_std140<Vector4i>(ba, gui, p_array_size, 4);
} else {
uint32_t v = value;
gui[0] = (v & 1) ? 1 : 0;
gui[1] = (v & 2) ? 1 : 0;
gui[2] = (v & 4) ? 1 : 0;
gui[3] = (v & 8) ? 1 : 0;
}
} break;
case ShaderLanguage::TYPE_INT: {
int32_t *gui = (int32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = value;
write_array_std140<int32_t>(iv, gui, p_array_size, 4);
} else {
int v = value;
gui[0] = v;
}
} break;
case ShaderLanguage::TYPE_IVEC2: {
int32_t *gui = (int32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = convert_array_std140<Vector2i, int32_t>(value);
write_array_std140<Vector2i>(iv, gui, p_array_size, 4);
} else {
Vector2i v = convert_to_vector<Vector2i>(value);
gui[0] = v.x;
gui[1] = v.y;
}
} break;
case ShaderLanguage::TYPE_IVEC3: {
int32_t *gui = (int32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = convert_array_std140<Vector3i, int32_t>(value);
write_array_std140<Vector3i>(iv, gui, p_array_size, 4);
} else {
Vector3i v = convert_to_vector<Vector3i>(value);
gui[0] = v.x;
gui[1] = v.y;
gui[2] = v.z;
}
} break;
case ShaderLanguage::TYPE_IVEC4: {
int32_t *gui = (int32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = convert_array_std140<Vector4i, int32_t>(value);
write_array_std140<Vector4i>(iv, gui, p_array_size, 4);
} else {
Vector4i v = convert_to_vector<Vector4i>(value);
gui[0] = v.x;
gui[1] = v.y;
gui[2] = v.z;
gui[3] = v.w;
}
} break;
case ShaderLanguage::TYPE_UINT: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = value;
write_array_std140<uint32_t>(iv, gui, p_array_size, 4);
} else {
int v = value;
gui[0] = v;
}
} break;
case ShaderLanguage::TYPE_UVEC2: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = convert_array_std140<Vector2i, int32_t>(value);
write_array_std140<Vector2i>(iv, gui, p_array_size, 4);
} else {
Vector2i v = convert_to_vector<Vector2i>(value);
gui[0] = v.x;
gui[1] = v.y;
}
} break;
case ShaderLanguage::TYPE_UVEC3: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = convert_array_std140<Vector3i, int32_t>(value);
write_array_std140<Vector3i>(iv, gui, p_array_size, 4);
} else {
Vector3i v = convert_to_vector<Vector3i>(value);
gui[0] = v.x;
gui[1] = v.y;
gui[2] = v.z;
}
} break;
case ShaderLanguage::TYPE_UVEC4: {
uint32_t *gui = (uint32_t *)data;
if (p_array_size > 0) {
const PackedInt32Array &iv = convert_array_std140<Vector4i, int32_t>(value);
write_array_std140<Vector4i>(iv, gui, p_array_size, 4);
} else {
Vector4i v = convert_to_vector<Vector4i>(value);
gui[0] = v.x;
gui[1] = v.y;
gui[2] = v.z;
gui[3] = v.w;
}
} break;
case ShaderLanguage::TYPE_FLOAT: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = value;
write_array_std140<float>(a, gui, p_array_size, 4);
} else {
float v = value;
gui[0] = v;
}
} break;
case ShaderLanguage::TYPE_VEC2: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = convert_array_std140<Vector2, float>(value);
write_array_std140<Vector2>(a, gui, p_array_size, 4);
} else {
Vector2 v = convert_to_vector<Vector2>(value);
gui[0] = v.x;
gui[1] = v.y;
}
} break;
case ShaderLanguage::TYPE_VEC3: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = convert_array_std140<Vector3, float>(value, p_linear_color);
write_array_std140<Vector3>(a, gui, p_array_size, 4);
} else {
Vector3 v = convert_to_vector<Vector3>(value, p_linear_color);
gui[0] = v.x;
gui[1] = v.y;
gui[2] = v.z;
}
} break;
case ShaderLanguage::TYPE_VEC4: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = convert_array_std140<Vector4, float>(value, p_linear_color);
write_array_std140<Vector4>(a, gui, p_array_size, 4);
} else {
Vector4 v = convert_to_vector<Vector4>(value, p_linear_color);
gui[0] = v.x;
gui[1] = v.y;
gui[2] = v.z;
gui[3] = v.w;
}
} break;
case ShaderLanguage::TYPE_MAT2: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = value;
int s = a.size();
for (int i = 0, j = 0; i < p_array_size * 4; i += 4, j += 8) {
if (i + 3 < s) {
gui[j] = a[i];
gui[j + 1] = a[i + 1];
gui[j + 4] = a[i + 2];
gui[j + 5] = a[i + 3];
} else {
gui[j] = 1;
gui[j + 1] = 0;
gui[j + 4] = 0;
gui[j + 5] = 1;
}
gui[j + 2] = 0; // ignored
gui[j + 3] = 0; // ignored
gui[j + 6] = 0; // ignored
gui[j + 7] = 0; // ignored
}
} else {
Transform2D v = value;
//in std140 members of mat2 are treated as vec4s
gui[0] = v.columns[0][0];
gui[1] = v.columns[0][1];
gui[2] = 0; // ignored
gui[3] = 0; // ignored
gui[4] = v.columns[1][0];
gui[5] = v.columns[1][1];
gui[6] = 0; // ignored
gui[7] = 0; // ignored
}
} break;
case ShaderLanguage::TYPE_MAT3: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = convert_array_std140<Basis, float>(value);
const Basis default_basis;
const int s = a.size();
for (int i = 0, j = 0; i < p_array_size * 9; i += 9, j += 12) {
if (i + 8 < s) {
gui[j] = a[i];
gui[j + 1] = a[i + 1];
gui[j + 2] = a[i + 2];
gui[j + 3] = 0; // Ignored.
gui[j + 4] = a[i + 3];
gui[j + 5] = a[i + 4];
gui[j + 6] = a[i + 5];
gui[j + 7] = 0; // Ignored.
gui[j + 8] = a[i + 6];
gui[j + 9] = a[i + 7];
gui[j + 10] = a[i + 8];
gui[j + 11] = 0; // Ignored.
} else {
convert_item_std140(default_basis, gui + j);
}
}
} else {
convert_item_std140<Basis>(value, gui);
}
} break;
case ShaderLanguage::TYPE_MAT4: {
float *gui = reinterpret_cast<float *>(data);
if (p_array_size > 0) {
const PackedFloat32Array &a = convert_array_std140<Projection, float>(value);
write_array_std140<Projection>(a, gui, p_array_size, 16);
} else {
convert_item_std140<Projection>(value, gui);
}
} break;
default: {
}
}
}
_FORCE_INLINE_ static void _fill_std140_ubo_value(ShaderLanguage::DataType type, const Vector<ShaderLanguage::Scalar> &value, uint8_t *data, bool p_use_linear_color) {
switch (type) {
case ShaderLanguage::TYPE_BOOL: {
uint32_t *gui = (uint32_t *)data;
gui[0] = value[0].boolean ? 1 : 0;
} break;
case ShaderLanguage::TYPE_BVEC2: {
uint32_t *gui = (uint32_t *)data;
gui[0] = value[0].boolean ? 1 : 0;
gui[1] = value[1].boolean ? 1 : 0;
} break;
case ShaderLanguage::TYPE_BVEC3: {
uint32_t *gui = (uint32_t *)data;
gui[0] = value[0].boolean ? 1 : 0;
gui[1] = value[1].boolean ? 1 : 0;
gui[2] = value[2].boolean ? 1 : 0;
} break;
case ShaderLanguage::TYPE_BVEC4: {
uint32_t *gui = (uint32_t *)data;
gui[0] = value[0].boolean ? 1 : 0;
gui[1] = value[1].boolean ? 1 : 0;
gui[2] = value[2].boolean ? 1 : 0;
gui[3] = value[3].boolean ? 1 : 0;
} break;
case ShaderLanguage::TYPE_INT: {
int32_t *gui = (int32_t *)data;
gui[0] = value[0].sint;
} break;
case ShaderLanguage::TYPE_IVEC2: {
int32_t *gui = (int32_t *)data;
for (int i = 0; i < 2; i++) {
gui[i] = value[i].sint;
}
} break;
case ShaderLanguage::TYPE_IVEC3: {
int32_t *gui = (int32_t *)data;
for (int i = 0; i < 3; i++) {
gui[i] = value[i].sint;
}
} break;
case ShaderLanguage::TYPE_IVEC4: {
int32_t *gui = (int32_t *)data;
for (int i = 0; i < 4; i++) {
gui[i] = value[i].sint;
}
} break;
case ShaderLanguage::TYPE_UINT: {
uint32_t *gui = (uint32_t *)data;
gui[0] = value[0].uint;
} break;
case ShaderLanguage::TYPE_UVEC2: {
int32_t *gui = (int32_t *)data;
for (int i = 0; i < 2; i++) {
gui[i] = value[i].uint;
}
} break;
case ShaderLanguage::TYPE_UVEC3: {
int32_t *gui = (int32_t *)data;
for (int i = 0; i < 3; i++) {
gui[i] = value[i].uint;
}
} break;
case ShaderLanguage::TYPE_UVEC4: {
int32_t *gui = (int32_t *)data;
for (int i = 0; i < 4; i++) {
gui[i] = value[i].uint;
}
} break;
case ShaderLanguage::TYPE_FLOAT: {
float *gui = reinterpret_cast<float *>(data);
gui[0] = value[0].real;
} break;
case ShaderLanguage::TYPE_VEC2: {
float *gui = reinterpret_cast<float *>(data);
for (int i = 0; i < 2; i++) {
gui[i] = value[i].real;
}
} break;
case ShaderLanguage::TYPE_VEC3: {
Color c = Color(value[0].real, value[1].real, value[2].real);
if (p_use_linear_color) {
c = c.srgb_to_linear();
}
float *gui = reinterpret_cast<float *>(data);
for (int i = 0; i < 3; i++) {
gui[i] = c.components[i];
}
} break;
case ShaderLanguage::TYPE_VEC4: {
Color c = Color(value[0].real, value[1].real, value[2].real, value[3].real);
if (p_use_linear_color) {
c = c.srgb_to_linear();
}
float *gui = reinterpret_cast<float *>(data);
for (int i = 0; i < 4; i++) {
gui[i] = c.components[i];
}
} break;
case ShaderLanguage::TYPE_MAT2: {
float *gui = reinterpret_cast<float *>(data);
//in std140 members of mat2 are treated as vec4s
gui[0] = value[0].real;
gui[1] = value[1].real;
gui[2] = 0;
gui[3] = 0;
gui[4] = value[2].real;
gui[5] = value[3].real;
gui[6] = 0;
gui[7] = 0;
} break;
case ShaderLanguage::TYPE_MAT3: {
float *gui = reinterpret_cast<float *>(data);
gui[0] = value[0].real;
gui[1] = value[1].real;
gui[2] = value[2].real;
gui[3] = 0;
gui[4] = value[3].real;
gui[5] = value[4].real;
gui[6] = value[5].real;
gui[7] = 0;
gui[8] = value[6].real;
gui[9] = value[7].real;
gui[10] = value[8].real;
gui[11] = 0;
} break;
case ShaderLanguage::TYPE_MAT4: {
float *gui = reinterpret_cast<float *>(data);
for (int i = 0; i < 16; i++) {
gui[i] = value[i].real;
}
} break;
default: {
}
}
}
_FORCE_INLINE_ static void _fill_std140_ubo_empty(ShaderLanguage::DataType type, int p_array_size, uint8_t *data) {
if (p_array_size <= 0) {
p_array_size = 1;
}
switch (type) {
case ShaderLanguage::TYPE_BOOL:
case ShaderLanguage::TYPE_INT:
case ShaderLanguage::TYPE_UINT:
case ShaderLanguage::TYPE_FLOAT: {
memset(data, 0, 4 * p_array_size);
} break;
case ShaderLanguage::TYPE_BVEC2:
case ShaderLanguage::TYPE_IVEC2:
case ShaderLanguage::TYPE_UVEC2:
case ShaderLanguage::TYPE_VEC2: {
memset(data, 0, 8 * p_array_size);
} break;
case ShaderLanguage::TYPE_BVEC3:
case ShaderLanguage::TYPE_IVEC3:
case ShaderLanguage::TYPE_UVEC3:
case ShaderLanguage::TYPE_VEC3: {
memset(data, 0, 12 * p_array_size);
} break;
case ShaderLanguage::TYPE_BVEC4:
case ShaderLanguage::TYPE_IVEC4:
case ShaderLanguage::TYPE_UVEC4:
case ShaderLanguage::TYPE_VEC4: {
memset(data, 0, 16 * p_array_size);
} break;
case ShaderLanguage::TYPE_MAT2: {
memset(data, 0, 32 * p_array_size);
} break;
case ShaderLanguage::TYPE_MAT3: {
memset(data, 0, 48 * p_array_size);
} break;
case ShaderLanguage::TYPE_MAT4: {
memset(data, 0, 64 * p_array_size);
} break;
default: {
}
}
}
///////////////////////////////////////////////////////////////////////////
// MaterialStorage::ShaderData
void MaterialStorage::ShaderData::set_path_hint(const String &p_hint) {
path = p_hint;
}
void MaterialStorage::ShaderData::set_default_texture_parameter(const StringName &p_name, RID p_texture, int p_index) {
if (!p_texture.is_valid()) {
if (default_texture_params.has(p_name) && default_texture_params[p_name].has(p_index)) {
default_texture_params[p_name].erase(p_index);
if (default_texture_params[p_name].is_empty()) {
default_texture_params.erase(p_name);
}
}
} else {
if (!default_texture_params.has(p_name)) {
default_texture_params[p_name] = HashMap<int, RID>();
}
default_texture_params[p_name][p_index] = p_texture;
}
}
Variant MaterialStorage::ShaderData::get_default_parameter(const StringName &p_parameter) const {
if (uniforms.has(p_parameter)) {
ShaderLanguage::ShaderNode::Uniform uniform = uniforms[p_parameter];
Vector<ShaderLanguage::Scalar> default_value = uniform.default_value;
if (default_value.is_empty()) {
return ShaderLanguage::get_default_datatype_value(uniform.type, uniform.array_size, uniform.hint);
}
return ShaderLanguage::constant_value_to_variant(default_value, uniform.type, uniform.array_size, uniform.hint);
}
return Variant();
}
void MaterialStorage::ShaderData::get_shader_uniform_list(List<PropertyInfo> *p_param_list) const {
SortArray<Pair<StringName, int>, ShaderLanguage::UniformOrderComparator> sorter;
LocalVector<Pair<StringName, int>> filtered_uniforms;
for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) {
if (E.value.scope != ShaderLanguage::ShaderNode::Uniform::SCOPE_LOCAL) {
continue;
}
filtered_uniforms.push_back(Pair<StringName, int>(E.key, E.value.prop_order));
}
int uniform_count = filtered_uniforms.size();
sorter.sort(filtered_uniforms.ptr(), uniform_count);
String last_group;
for (int i = 0; i < uniform_count; i++) {
const StringName &uniform_name = filtered_uniforms[i].first;
const ShaderLanguage::ShaderNode::Uniform &uniform = uniforms[uniform_name];
String group = uniform.group;
if (!uniform.subgroup.is_empty()) {
group += "::" + uniform.subgroup;
}
if (group != last_group) {
PropertyInfo pi;
pi.usage = PROPERTY_USAGE_GROUP;
pi.name = group;
p_param_list->push_back(pi);
last_group = group;
}
PropertyInfo pi = ShaderLanguage::uniform_to_property_info(uniform);
pi.name = uniform_name;
p_param_list->push_back(pi);
}
}
void MaterialStorage::ShaderData::get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const {
for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) {
if (E.value.scope != ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) {
continue;
}
RendererMaterialStorage::InstanceShaderParam p;
p.info = ShaderLanguage::uniform_to_property_info(E.value);
p.info.name = E.key; //supply name
p.index = E.value.instance_index;
p.default_value = ShaderLanguage::constant_value_to_variant(E.value.default_value, E.value.type, E.value.array_size, E.value.hint);
p_param_list->push_back(p);
}
}
bool MaterialStorage::ShaderData::is_parameter_texture(const StringName &p_param) const {
if (!uniforms.has(p_param)) {
return false;
}
return uniforms[p_param].is_texture();
}
RD::PipelineColorBlendState::Attachment MaterialStorage::ShaderData::blend_mode_to_blend_attachment(BlendMode p_mode) {
RD::PipelineColorBlendState::Attachment attachment;
switch (p_mode) {
case BLEND_MODE_MIX: {
attachment.enable_blend = true;
attachment.alpha_blend_op = RD::BLEND_OP_ADD;
attachment.color_blend_op = RD::BLEND_OP_ADD;
attachment.src_color_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA;
attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE;
attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
} break;
case BLEND_MODE_ADD: {
attachment.enable_blend = true;
attachment.alpha_blend_op = RD::BLEND_OP_ADD;
attachment.color_blend_op = RD::BLEND_OP_ADD;
attachment.src_color_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA;
attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE;
attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA;
attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE;
} break;
case BLEND_MODE_SUB: {
attachment.enable_blend = true;
attachment.alpha_blend_op = RD::BLEND_OP_REVERSE_SUBTRACT;
attachment.color_blend_op = RD::BLEND_OP_REVERSE_SUBTRACT;
attachment.src_color_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA;
attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE;
attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA;
attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE;
} break;
case BLEND_MODE_MUL: {
attachment.enable_blend = true;
attachment.alpha_blend_op = RD::BLEND_OP_ADD;
attachment.color_blend_op = RD::BLEND_OP_ADD;
attachment.src_color_blend_factor = RD::BLEND_FACTOR_DST_COLOR;
attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ZERO;
attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_DST_ALPHA;
attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ZERO;
} break;
case BLEND_MODE_ALPHA_TO_COVERAGE: {
attachment.enable_blend = true;
attachment.alpha_blend_op = RD::BLEND_OP_ADD;
attachment.color_blend_op = RD::BLEND_OP_ADD;
attachment.src_color_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA;
attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE;
attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ZERO;
} break;
case BLEND_MODE_PREMULTIPLIED_ALPHA: {
attachment.enable_blend = true;
attachment.alpha_blend_op = RD::BLEND_OP_ADD;
attachment.color_blend_op = RD::BLEND_OP_ADD;
attachment.src_color_blend_factor = RD::BLEND_FACTOR_ONE;
attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE;
attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
} break;
case BLEND_MODE_DISABLED:
default: {
// Use default attachment values.
} break;
}
return attachment;
}
bool MaterialStorage::ShaderData::blend_mode_uses_blend_alpha(BlendMode p_mode) {
switch (p_mode) {
case BLEND_MODE_MIX:
return false;
case BLEND_MODE_ADD:
return true;
case BLEND_MODE_SUB:
return true;
case BLEND_MODE_MUL:
return true;
case BLEND_MODE_ALPHA_TO_COVERAGE:
return false;
case BLEND_MODE_PREMULTIPLIED_ALPHA:
return true;
case BLEND_MODE_DISABLED:
default:
return false;
}
}
///////////////////////////////////////////////////////////////////////////
// MaterialStorage::MaterialData
void MaterialStorage::MaterialData::update_uniform_buffer(const HashMap<StringName, ShaderLanguage::ShaderNode::Uniform> &p_uniforms, const uint32_t *p_uniform_offsets, const HashMap<StringName, Variant> &p_parameters, uint8_t *p_buffer, uint32_t p_buffer_size, bool p_use_linear_color) {
MaterialStorage *material_storage = MaterialStorage::get_singleton();
bool uses_global_buffer = false;
for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : p_uniforms) {
if (E.value.is_texture()) {
continue; // texture, does not go here
}
if (E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) {
continue; //instance uniforms don't appear in the buffer
}
if (E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SCREEN_TEXTURE ||
E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE ||
E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_DEPTH_TEXTURE) {
continue;
}
if (E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL) {
//this is a global variable, get the index to it
GlobalShaderUniforms::Variable *gv = material_storage->global_shader_uniforms.variables.getptr(E.key);
uint32_t index = 0;
if (gv) {
index = gv->buffer_index;
} else {
WARN_PRINT("Shader uses global parameter '" + E.key + "', but it was removed at some point. Material will not display correctly.");
}
uint32_t offset = p_uniform_offsets[E.value.order];
uint32_t *intptr = (uint32_t *)&p_buffer[offset];
*intptr = index;
uses_global_buffer = true;
continue;
}
//regular uniform
uint32_t offset = p_uniform_offsets[E.value.order];
#ifdef DEBUG_ENABLED
uint32_t size = 0U;
// The following code enforces a 16-byte alignment of uniform arrays.
if (E.value.array_size > 0) {
size = ShaderLanguage::get_datatype_size(E.value.type) * E.value.array_size;
int m = (16 * E.value.array_size);
if ((size % m) != 0U) {
size += m - (size % m);
}
} else {
size = ShaderLanguage::get_datatype_size(E.value.type);
}
ERR_CONTINUE(offset + size > p_buffer_size);
#endif
uint8_t *data = &p_buffer[offset];
HashMap<StringName, Variant>::ConstIterator V = p_parameters.find(E.key);
if (V) {
//user provided
_fill_std140_variant_ubo_value(E.value.type, E.value.array_size, V->value, data, p_use_linear_color);
} else if (E.value.default_value.size()) {
//default value
_fill_std140_ubo_value(E.value.type, E.value.default_value, data, p_use_linear_color);
//value=E.value.default_value;
} else {
//zero because it was not provided
if ((E.value.type == ShaderLanguage::TYPE_VEC3 || E.value.type == ShaderLanguage::TYPE_VEC4) && E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SOURCE_COLOR) {
//colors must be set as black, with alpha as 1.0
_fill_std140_variant_ubo_value(E.value.type, E.value.array_size, Color(0, 0, 0, 1), data, p_use_linear_color);
} else {
//else just zero it out
_fill_std140_ubo_empty(E.value.type, E.value.array_size, data);
}
}
}
if (uses_global_buffer != (global_buffer_E != nullptr)) {
if (uses_global_buffer) {
global_buffer_E = material_storage->global_shader_uniforms.materials_using_buffer.push_back(self);
} else {
material_storage->global_shader_uniforms.materials_using_buffer.erase(global_buffer_E);
global_buffer_E = nullptr;
}
}
}
MaterialStorage::MaterialData::~MaterialData() {
MaterialStorage *material_storage = MaterialStorage::get_singleton();
if (global_buffer_E) {
//unregister global buffers
material_storage->global_shader_uniforms.materials_using_buffer.erase(global_buffer_E);
}
if (global_texture_E) {
//unregister global textures
for (const KeyValue<StringName, uint64_t> &E : used_global_textures) {
GlobalShaderUniforms::Variable *v = material_storage->global_shader_uniforms.variables.getptr(E.key);
if (v) {
v->texture_materials.erase(self);
}
}
//unregister material from those using global textures
material_storage->global_shader_uniforms.materials_using_texture.erase(global_texture_E);
}
for (int i = 0; i < 2; i++) {
if (uniform_buffer[i].is_valid()) {
RD::get_singleton()->free(uniform_buffer[i]);
}
}
}
void MaterialStorage::MaterialData::update_textures(const HashMap<StringName, Variant> &p_parameters, const HashMap<StringName, HashMap<int, RID>> &p_default_textures, const Vector<ShaderCompiler::GeneratedCode::Texture> &p_texture_uniforms, RID *p_textures, bool p_use_linear_color, bool p_3d_material) {
TextureStorage *texture_storage = TextureStorage::get_singleton();
MaterialStorage *material_storage = MaterialStorage::get_singleton();
#ifdef TOOLS_ENABLED
TextureStorage::Texture *roughness_detect_texture = nullptr;
RS::TextureDetectRoughnessChannel roughness_channel = RS::TEXTURE_DETECT_ROUGHNESS_R;
TextureStorage::Texture *normal_detect_texture = nullptr;
#endif
bool uses_global_textures = false;
global_textures_pass++;
for (int i = 0, k = 0; i < p_texture_uniforms.size(); i++) {
const StringName &uniform_name = p_texture_uniforms[i].name;
int uniform_array_size = p_texture_uniforms[i].array_size;
Vector<RID> textures;
if (p_texture_uniforms[i].hint == ShaderLanguage::ShaderNode::Uniform::HINT_SCREEN_TEXTURE ||
p_texture_uniforms[i].hint == ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE ||
p_texture_uniforms[i].hint == ShaderLanguage::ShaderNode::Uniform::HINT_DEPTH_TEXTURE) {
continue;
}
if (p_texture_uniforms[i].global) {
uses_global_textures = true;
GlobalShaderUniforms::Variable *v = material_storage->global_shader_uniforms.variables.getptr(uniform_name);
if (v) {
if (v->buffer_index >= 0) {
WARN_PRINT("Shader uses global parameter texture '" + String(uniform_name) + "', but it changed type and is no longer a texture!.");
} else {
HashMap<StringName, uint64_t>::Iterator E = used_global_textures.find(uniform_name);
if (!E) {
E = used_global_textures.insert(uniform_name, global_textures_pass);
v->texture_materials.insert(self);
} else {
E->value = global_textures_pass;
}
textures.push_back(v->override.get_type() != Variant::NIL ? v->override : v->value);
}
} else {
WARN_PRINT("Shader uses global parameter texture '" + String(uniform_name) + "', but it was removed at some point. Material will not display correctly.");
}
} else {
HashMap<StringName, Variant>::ConstIterator V = p_parameters.find(uniform_name);
if (V) {
if (V->value.is_array()) {
Array array = (Array)V->value;
if (uniform_array_size > 0) {
int size = MIN(uniform_array_size, array.size());
for (int j = 0; j < size; j++) {
textures.push_back(array[j]);
}
} else {
if (array.size() > 0) {
textures.push_back(array[0]);
}
}
} else {
textures.push_back(V->value);
}
}
if (uniform_array_size > 0) {
if (textures.size() < uniform_array_size) {
HashMap<StringName, HashMap<int, RID>>::ConstIterator W = p_default_textures.find(uniform_name);
for (int j = textures.size(); j < uniform_array_size; j++) {
if (W && W->value.has(j)) {
textures.push_back(W->value[j]);
} else {
textures.push_back(RID());
}
}
}
} else if (textures.is_empty()) {
HashMap<StringName, HashMap<int, RID>>::ConstIterator W = p_default_textures.find(uniform_name);
if (W && W->value.has(0)) {
textures.push_back(W->value[0]);
}
}
}
RID rd_texture;
if (textures.is_empty()) {
//check default usage
switch (p_texture_uniforms[i].type) {
case ShaderLanguage::TYPE_ISAMPLER2D:
case ShaderLanguage::TYPE_USAMPLER2D:
case ShaderLanguage::TYPE_SAMPLER2D: {
switch (p_texture_uniforms[i].hint) {
case ShaderLanguage::ShaderNode::Uniform::HINT_DEFAULT_BLACK: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_BLACK);
} break;
case ShaderLanguage::ShaderNode::Uniform::HINT_DEFAULT_TRANSPARENT: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_TRANSPARENT);
} break;
case ShaderLanguage::ShaderNode::Uniform::HINT_ANISOTROPY: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_ANISO);
} break;
case ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_NORMAL);
} break;
case ShaderLanguage::ShaderNode::Uniform::HINT_ROUGHNESS_NORMAL: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_NORMAL);
} break;
default: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_WHITE);
} break;
}
} break;
case ShaderLanguage::TYPE_SAMPLERCUBE: {
switch (p_texture_uniforms[i].hint) {
case ShaderLanguage::ShaderNode::Uniform::HINT_DEFAULT_BLACK: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK);
} break;
default: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_WHITE);
} break;
}
} break;
case ShaderLanguage::TYPE_SAMPLERCUBEARRAY: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_ARRAY_BLACK);
} break;
case ShaderLanguage::TYPE_ISAMPLER3D:
case ShaderLanguage::TYPE_USAMPLER3D:
case ShaderLanguage::TYPE_SAMPLER3D: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE);
} break;
case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
case ShaderLanguage::TYPE_USAMPLER2DARRAY:
case ShaderLanguage::TYPE_SAMPLER2DARRAY: {
rd_texture = texture_storage->texture_rd_get_default(TextureStorage::DEFAULT_RD_TEXTURE_2D_ARRAY_WHITE);
} break;
default: {
}
}
#ifdef TOOLS_ENABLED