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-rw-r--r--servers/rendering/shader_language.cpp176
1 files changed, 138 insertions, 38 deletions
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index e451fb35c2..11a9303f11 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -1,32 +1,32 @@
-/*************************************************************************/
-/* shader_language.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* 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. */
-/*************************************************************************/
+/**************************************************************************/
+/* shader_language.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 "shader_language.h"
@@ -90,8 +90,9 @@ const char *ShaderLanguage::token_names[TK_MAX] = {
"IDENTIFIER",
"TRUE",
"FALSE",
- "REAL_CONSTANT",
+ "FLOAT_CONSTANT",
"INT_CONSTANT",
+ "UINT_CONSTANT",
"TYPE_VOID",
"TYPE_BOOL",
"TYPE_BVEC2",
@@ -126,6 +127,7 @@ const char *ShaderLanguage::token_names[TK_MAX] = {
"INTERPOLATION_FLAT",
"INTERPOLATION_SMOOTH",
"CONST",
+ "STRUCT",
"PRECISION_LOW",
"PRECISION_MID",
"PRECISION_HIGH",
@@ -169,6 +171,7 @@ const char *ShaderLanguage::token_names[TK_MAX] = {
"CF_DO",
"CF_SWITCH",
"CF_CASE",
+ "CF_DEFAULT",
"CF_BREAK",
"CF_CONTINUE",
"CF_RETURN",
@@ -185,19 +188,26 @@ const char *ShaderLanguage::token_names[TK_MAX] = {
"SEMICOLON",
"PERIOD",
"UNIFORM",
+ "UNIFORM_GROUP",
"INSTANCE",
"GLOBAL",
"VARYING",
- "IN",
- "OUT",
- "INOUT",
+ "ARG_IN",
+ "ARG_OUT",
+ "ARG_INOUT",
"RENDER_MODE",
- "SOURCE_COLOR",
"HINT_DEFAULT_WHITE_TEXTURE",
"HINT_DEFAULT_BLACK_TEXTURE",
"HINT_DEFAULT_TRANSPARENT_TEXTURE",
"HINT_NORMAL_TEXTURE",
+ "HINT_ROUGHNESS_NORMAL_TEXTURE",
+ "HINT_ROUGHNESS_R",
+ "HINT_ROUGHNESS_G",
+ "HINT_ROUGHNESS_B",
+ "HINT_ROUGHNESS_A",
+ "HINT_ROUGHNESS_GRAY",
"HINT_ANISOTROPY_TEXTURE",
+ "HINT_SOURCE_COLOR",
"HINT_RANGE",
"HINT_INSTANCE_INDEX",
"HINT_SCREEN_TEXTURE",
@@ -612,7 +622,7 @@ ShaderLanguage::Token ShaderLanguage::_get_token() {
char_idx += 2;
include_positions.resize(include_positions.size() - 1); // Pop back.
- tk_line = include_positions[include_positions.size() - 1].line; // Restore line.
+ tk_line = include_positions[include_positions.size() - 1].line - 1; // Restore line.
} else {
return _make_token(TK_ERROR, "Invalid include enter/exit hint token (@@> and @@<)");
@@ -989,6 +999,18 @@ String ShaderLanguage::get_precision_name(DataPrecision p_type) {
return "";
}
+String ShaderLanguage::get_interpolation_name(DataInterpolation p_interpolation) {
+ switch (p_interpolation) {
+ case INTERPOLATION_FLAT:
+ return "flat";
+ case INTERPOLATION_SMOOTH:
+ return "smooth";
+ default:
+ break;
+ }
+ return "";
+}
+
String ShaderLanguage::get_datatype_name(DataType p_type) {
switch (p_type) {
case TYPE_VOID:
@@ -2815,6 +2837,20 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
{ "dFdx", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
{ "dFdx", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
+ // dFdxCoarse
+
+ { "dFdxCoarse", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdxCoarse", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdxCoarse", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdxCoarse", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+
+ // dFdxFine
+
+ { "dFdxFine", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdxFine", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdxFine", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdxFine", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+
// dFdy
{ "dFdy", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
@@ -2822,6 +2858,20 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
{ "dFdy", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
{ "dFdy", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
+ // dFdyCoarse
+
+ { "dFdyCoarse", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdyCoarse", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdyCoarse", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdyCoarse", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+
+ // dFdyFine
+
+ { "dFdyFine", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdyFine", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdyFine", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "dFdyFine", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+
// fwidth
{ "fwidth", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
@@ -2829,6 +2879,20 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
{ "fwidth", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
{ "fwidth", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, false },
+ // fwidthCoarse
+
+ { "fwidthCoarse", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "fwidthCoarse", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "fwidthCoarse", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "fwidthCoarse", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+
+ // fwidthFine
+
+ { "fwidthFine", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "fwidthFine", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "fwidthFine", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+ { "fwidthFine", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, { "p" }, TAG_GLOBAL, true },
+
// Sub-functions.
// array
@@ -4417,13 +4481,17 @@ bool ShaderLanguage::_is_operator_assign(Operator p_op) const {
}
bool ShaderLanguage::_validate_varying_assign(ShaderNode::Varying &p_varying, String *r_message) {
- if (current_function != String("vertex") && current_function != String("fragment")) {
+ if (current_function != "vertex" && current_function != "fragment") {
*r_message = vformat(RTR("Varying may not be assigned in the '%s' function."), current_function);
return false;
}
switch (p_varying.stage) {
case ShaderNode::Varying::STAGE_UNKNOWN: // first assign
if (current_function == varying_function_names.vertex) {
+ if (p_varying.type < TYPE_INT) {
+ *r_message = vformat(RTR("Varying with '%s' data type may only be assigned in the 'fragment' function."), get_datatype_name(p_varying.type));
+ return false;
+ }
p_varying.stage = ShaderNode::Varying::STAGE_VERTEX;
} else if (current_function == varying_function_names.fragment) {
p_varying.stage = ShaderNode::Varying::STAGE_FRAGMENT;
@@ -5223,7 +5291,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
if (shader->varyings.has(varname)) {
switch (shader->varyings[varname].stage) {
case ShaderNode::Varying::STAGE_UNKNOWN: {
- _set_error(vformat(RTR("Varying '%s' must be assigned in the vertex or fragment function first."), varname));
+ _set_error(vformat(RTR("Varying '%s' must be assigned in the 'vertex' or 'fragment' function first."), varname));
return nullptr;
}
case ShaderNode::Varying::STAGE_VERTEX_TO_FRAGMENT_LIGHT:
@@ -5383,6 +5451,12 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
}
} else {
if (!_find_identifier(p_block, false, p_function_info, identifier, &data_type, &ident_type, &is_const, &array_size, &struct_name)) {
+ if (identifier == "SCREEN_TEXTURE" || identifier == "DEPTH_TEXTURE" || identifier == "NORMAL_ROUGHNESS_TEXTURE") {
+ String name = String(identifier);
+ String name_lower = name.to_lower();
+ _set_error(vformat(RTR("%s has been removed in favor of using hint_%s with a uniform.\nTo continue with minimal code changes add 'uniform sampler2D %s : hint_%s, filter_linear_mipmap;' near the top of your shader."), name, name_lower, name, name_lower));
+ return nullptr;
+ }
_set_error(vformat(RTR("Unknown identifier in expression: '%s'."), String(identifier)));
return nullptr;
}
@@ -5407,6 +5481,16 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
}
} else {
switch (var.stage) {
+ case ShaderNode::Varying::STAGE_UNKNOWN: {
+ if (var.type < TYPE_INT) {
+ if (current_function == varying_function_names.vertex) {
+ _set_error(vformat(RTR("Varying with '%s' data type may only be used in the 'fragment' function."), get_datatype_name(var.type)));
+ } else {
+ _set_error(vformat(RTR("Varying '%s' must be assigned in the 'fragment' function first."), identifier));
+ }
+ return nullptr;
+ }
+ } break;
case ShaderNode::Varying::STAGE_VERTEX:
if (current_function == varying_function_names.fragment || current_function == varying_function_names.light) {
var.stage = ShaderNode::Varying::STAGE_VERTEX_TO_FRAGMENT_LIGHT;
@@ -8201,6 +8285,10 @@ Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_f
_set_error(vformat(RTR("Uniform instances are not yet implemented for '%s' shaders."), shader_type_identifier));
return ERR_PARSE_ERROR;
}
+ if (OS::get_singleton()->get_current_rendering_method() == "gl_compatibility") {
+ _set_error(RTR("Uniform instances are not supported in gl_compatibility shaders."));
+ return ERR_PARSE_ERROR;
+ }
if (uniform_scope == ShaderNode::Uniform::SCOPE_LOCAL) {
tk = _get_token();
if (tk.type != TK_UNIFORM) {
@@ -8225,7 +8313,7 @@ Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_f
}
}
DataPrecision precision = PRECISION_DEFAULT;
- DataInterpolation interpolation = INTERPOLATION_SMOOTH;
+ DataInterpolation interpolation = INTERPOLATION_DEFAULT;
DataType type;
StringName name;
int array_size = 0;
@@ -8334,6 +8422,11 @@ Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_f
return ERR_PARSE_ERROR;
}
+ if (!is_uniform && interpolation != INTERPOLATION_DEFAULT && type < TYPE_INT) {
+ _set_error(vformat(RTR("Interpolation modifier '%s' cannot be used with boolean types."), get_interpolation_name(interpolation)));
+ return ERR_PARSE_ERROR;
+ }
+
if (!is_uniform && type > TYPE_MAT4) {
_set_error(RTR("Invalid data type for varying."));
return ERR_PARSE_ERROR;
@@ -8660,14 +8753,21 @@ Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_f
case TK_HINT_SCREEN_TEXTURE: {
new_hint = ShaderNode::Uniform::HINT_SCREEN_TEXTURE;
--texture_uniforms;
+ --texture_binding;
} break;
case TK_HINT_NORMAL_ROUGHNESS_TEXTURE: {
new_hint = ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE;
--texture_uniforms;
+ --texture_binding;
+ if (OS::get_singleton()->get_current_rendering_method() == "gl_compatibility") {
+ _set_error(RTR("'hint_normal_roughness_texture is not supported in gl_compatibility shaders."));
+ return ERR_PARSE_ERROR;
+ }
} break;
case TK_HINT_DEPTH_TEXTURE: {
new_hint = ShaderNode::Uniform::HINT_DEPTH_TEXTURE;
--texture_uniforms;
+ --texture_binding;
} break;
case TK_FILTER_NEAREST: {
new_filter = FILTER_NEAREST;