summaryrefslogtreecommitdiff
path: root/servers/rendering/shader_language.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'servers/rendering/shader_language.cpp')
-rw-r--r--servers/rendering/shader_language.cpp95
1 files changed, 63 insertions, 32 deletions
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index e451fb35c2..59a2ff66f3 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"
@@ -989,6 +989,18 @@ 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:
@@ -4417,13 +4429,17 @@ 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 +5239,7 @@ 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:
@@ -5407,6 +5423,16 @@ 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;
@@ -8225,7 +8251,7 @@ 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 +8360,11 @@ 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;