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shader_types.cpp

shader_types.cpp 45 KB
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  1. /**************************************************************************/
    2. 

  2. /*  shader_types.cpp                                                      */
    3. 

  3. /**************************************************************************/
    4. 

  4. /*                         This file is part of:                          */
    5. 

  5. /*                             GODOT ENGINE                               */
    6. 

  6. /*                        https://godotengine.org                         */
    7. 

  7. /**************************************************************************/
    8. 

  8. /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
    9. 

  9. /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
    10. 

  10. /*                                                                        */
    11. 

  11. /* Permission is hereby granted, free of charge, to any person obtaining  */
    12. 

  12. /* a copy of this software and associated documentation files (the        */
    13. 

  13. /* "Software"), to deal in the Software without restriction, including    */
    14. 

  14. /* without limitation the rights to use, copy, modify, merge, publish,    */
    15. 

  15. /* distribute, sublicense, and/or sell copies of the Software, and to     */
    16. 

  16. /* permit persons to whom the Software is furnished to do so, subject to  */
    17. 

  17. /* the following conditions:                                              */
    18. 

  18. /*                                                                        */
    19. 

  19. /* The above copyright notice and this permission notice shall be         */
    20. 

  20. /* included in all copies or substantial portions of the Software.        */
    21. 

  21. /*                                                                        */
    22. 

  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
    23. 

  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
    24. 

  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
    25. 

  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
    26. 

  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
    27. 

  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
    28. 

  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
    29. 

  29. /**************************************************************************/
    30. 

  30. 

  31. #include "shader_types.h"
    32. 

  32. 

  33. const HashMap<StringName, ShaderLanguage::FunctionInfo> &ShaderTypes::get_functions(RS::ShaderMode p_mode) const {
    34. 

  34. 	return shader_modes[p_mode].functions;
    35. 

  35. }
    36. 

  36. 

  37. const Vector<ShaderLanguage::ModeInfo> &ShaderTypes::get_modes(RS::ShaderMode p_mode) const {
    38. 

  38. 	return shader_modes[p_mode].modes;
    39. 

  39. }
    40. 

  40. 

  41. const Vector<ShaderLanguage::ModeInfo> &ShaderTypes::get_stencil_modes(RS::ShaderMode p_mode) const {
    42. 

  42. 	return shader_modes[p_mode].stencil_modes;
    43. 

  43. }
    44. 

  44. 

  45. const HashSet<String> &ShaderTypes::get_types() const {
    46. 

  46. 	return shader_types;
    47. 

  47. }
    48. 

  48. 

  49. const List<String> &ShaderTypes::get_types_list() const {
    50. 

  50. 	return shader_types_list;
    51. 

  51. }
    52. 

  52. 

  53. ShaderTypes *ShaderTypes::singleton = nullptr;
    54. 

  54. 

  55. static ShaderLanguage::BuiltInInfo constt(ShaderLanguage::DataType p_type) {
    56. 

  56. 	return ShaderLanguage::BuiltInInfo(p_type, true);
    57. 

  57. }
    58. 

  58. 

  59. static ShaderLanguage::BuiltInInfo constvt(ShaderLanguage::DataType p_type, const Vector<ShaderLanguage::Scalar> &p_values) {
    60. 

  60. 	return ShaderLanguage::BuiltInInfo(p_type, true, p_values);
    61. 

  61. }
    62. 

  62. 

  63. ShaderTypes::ShaderTypes() {
    64. 

  64. 	singleton = this;
    65. 

  65. 

  66. 	/*************** SPATIAL ***********************/
    67. 

  67. 

  68. 	ShaderLanguage::Scalar pi_scalar;
    69. 

  69. 	pi_scalar.real = Math::PI;
    70. 

  70. 

  71. 	ShaderLanguage::Scalar tau_scalar;
    72. 

  72. 	tau_scalar.real = Math::TAU;
    73. 

  73. 

  74. 	ShaderLanguage::Scalar e_scalar;
    75. 

  75. 	e_scalar.real = Math::E;
    76. 

  76. 

  77. 	shader_modes[RS::SHADER_SPATIAL].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    78. 

  78. 	shader_modes[RS::SHADER_SPATIAL].functions["global"].built_ins["EXPOSURE"] = constt(ShaderLanguage::TYPE_FLOAT);
    79. 

  79. 	shader_modes[RS::SHADER_SPATIAL].functions["global"].built_ins["IN_SHADOW_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    80. 

  80. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["PI"] = constvt(ShaderLanguage::TYPE_FLOAT, { pi_scalar });
    81. 

  81. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["TAU"] = constvt(ShaderLanguage::TYPE_FLOAT, { tau_scalar });
    82. 

  82. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["E"] = constvt(ShaderLanguage::TYPE_FLOAT, { e_scalar });
    83. 

  83. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["OUTPUT_IS_SRGB"] = constt(ShaderLanguage::TYPE_BOOL);
    84. 

  84. 	shader_modes[RS::SHADER_SPATIAL].functions["constants"].built_ins["CLIP_SPACE_FAR"] = constt(ShaderLanguage::TYPE_FLOAT);
    85. 

  85. 

  86. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VERTEX"] = ShaderLanguage::TYPE_VEC3;
    87. 

  87. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["NORMAL"] = ShaderLanguage::TYPE_VEC3;
    88. 

  88. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["TANGENT"] = ShaderLanguage::TYPE_VEC3;
    89. 

  89. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["BINORMAL"] = ShaderLanguage::TYPE_VEC3;
    90. 

  90. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["POSITION"] = ShaderLanguage::TYPE_VEC4;
    91. 

  91. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["UV"] = ShaderLanguage::TYPE_VEC2;
    92. 

  92. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["UV2"] = ShaderLanguage::TYPE_VEC2;
    93. 

  93. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    94. 

  94. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["POINT_SIZE"] = ShaderLanguage::TYPE_FLOAT;
    95. 

  95. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["Z_CLIP_SCALE"] = ShaderLanguage::TYPE_FLOAT;
    96. 

  96. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INSTANCE_ID"] = constt(ShaderLanguage::TYPE_INT);
    97. 

  97. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INSTANCE_CUSTOM"] = constt(ShaderLanguage::TYPE_VEC4);
    98. 

  98. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VERTEX_ID"] = constt(ShaderLanguage::TYPE_INT);
    99. 

  99. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["ROUGHNESS"] = ShaderLanguage::TYPE_FLOAT;
    100. 

  100. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["BONE_INDICES"] = constt(ShaderLanguage::TYPE_UVEC4);
    101. 

  101. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["BONE_WEIGHTS"] = constt(ShaderLanguage::TYPE_VEC4);
    102. 

  102. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM0"] = constt(ShaderLanguage::TYPE_VEC4);
    103. 

  103. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM1"] = constt(ShaderLanguage::TYPE_VEC4);
    104. 

  104. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM2"] = constt(ShaderLanguage::TYPE_VEC4);
    105. 

  105. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CUSTOM3"] = constt(ShaderLanguage::TYPE_VEC4);
    106. 

  106. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].can_discard = false;
    107. 

  107. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].main_function = true;
    108. 

  108. 

  109. 	//builtins
    110. 

  110. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MODEL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    111. 

  111. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MODEL_NORMAL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT3);
    112. 

  112. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    113. 

  113. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INV_VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    114. 

  114. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["PROJECTION_MATRIX"] = ShaderLanguage::TYPE_MAT4;
    115. 

  115. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["INV_PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    116. 

  116. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MODELVIEW_MATRIX"] = ShaderLanguage::TYPE_MAT4;
    117. 

  117. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MODELVIEW_NORMAL_MATRIX"] = ShaderLanguage::TYPE_MAT3;
    118. 

  118. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEWPORT_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    119. 

  119. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["MAIN_CAM_INV_VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    120. 

  120. 

  121. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["NODE_POSITION_WORLD"] = constt(ShaderLanguage::TYPE_VEC3);
    122. 

  122. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CAMERA_POSITION_WORLD"] = constt(ShaderLanguage::TYPE_VEC3);
    123. 

  123. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CAMERA_DIRECTION_WORLD"] = constt(ShaderLanguage::TYPE_VEC3);
    124. 

  124. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["CAMERA_VISIBLE_LAYERS"] = constt(ShaderLanguage::TYPE_UINT);
    125. 

  125. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["NODE_POSITION_VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
    126. 

  126. 

  127. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_INDEX"] = constt(ShaderLanguage::TYPE_INT);
    128. 

  128. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_MONO_LEFT"] = constt(ShaderLanguage::TYPE_INT);
    129. 

  129. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEW_RIGHT"] = constt(ShaderLanguage::TYPE_INT);
    130. 

  130. 	shader_modes[RS::SHADER_SPATIAL].functions["vertex"].built_ins["EYE_OFFSET"] = constt(ShaderLanguage::TYPE_VEC3);
    131. 

  131. 

  132. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VERTEX"] = constt(ShaderLanguage::TYPE_VEC3);
    133. 

  133. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["LIGHT_VERTEX"] = ShaderLanguage::TYPE_VEC3;
    134. 

  134. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    135. 

  135. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["FRONT_FACING"] = constt(ShaderLanguage::TYPE_BOOL);
    136. 

  136. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL"] = ShaderLanguage::TYPE_VEC3;
    137. 

  137. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["TANGENT"] = ShaderLanguage::TYPE_VEC3;
    138. 

  138. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["BINORMAL"] = ShaderLanguage::TYPE_VEC3;
    139. 

  139. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
    140. 

  140. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL_MAP"] = ShaderLanguage::TYPE_VEC3;
    141. 

  141. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NORMAL_MAP_DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    142. 

  142. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["BENT_NORMAL_MAP"] = ShaderLanguage::TYPE_VEC3;
    143. 

  143. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    144. 

  144. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["UV2"] = constt(ShaderLanguage::TYPE_VEC2);
    145. 

  145. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    146. 

  146. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALBEDO"] = ShaderLanguage::TYPE_VEC3;
    147. 

  147. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["PREMUL_ALPHA_FACTOR"] = ShaderLanguage::TYPE_FLOAT;
    148. 

  148. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
    149. 

  149. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["METALLIC"] = ShaderLanguage::TYPE_FLOAT;
    150. 

  150. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SPECULAR"] = ShaderLanguage::TYPE_FLOAT;
    151. 

  151. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ROUGHNESS"] = ShaderLanguage::TYPE_FLOAT;
    152. 

  152. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["RIM"] = ShaderLanguage::TYPE_FLOAT;
    153. 

  153. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["RIM_TINT"] = ShaderLanguage::TYPE_FLOAT;
    154. 

  154. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CLEARCOAT"] = ShaderLanguage::TYPE_FLOAT;
    155. 

  155. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CLEARCOAT_ROUGHNESS"] = ShaderLanguage::TYPE_FLOAT;
    156. 

  156. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ANISOTROPY"] = ShaderLanguage::TYPE_FLOAT;
    157. 

  157. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ANISOTROPY_FLOW"] = ShaderLanguage::TYPE_VEC2;
    158. 

  158. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_STRENGTH"] = ShaderLanguage::TYPE_FLOAT;
    159. 

  159. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_TRANSMITTANCE_COLOR"] = ShaderLanguage::TYPE_VEC4;
    160. 

  160. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_TRANSMITTANCE_DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    161. 

  161. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SSS_TRANSMITTANCE_BOOST"] = ShaderLanguage::TYPE_FLOAT;
    162. 

  162. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["BACKLIGHT"] = ShaderLanguage::TYPE_VEC3;
    163. 

  163. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["AO"] = ShaderLanguage::TYPE_FLOAT;
    164. 

  164. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["AO_LIGHT_AFFECT"] = ShaderLanguage::TYPE_FLOAT;
    165. 

  165. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["EMISSION"] = ShaderLanguage::TYPE_VEC3;
    166. 

  166. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    167. 

  167. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    168. 

  168. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["POINT_COORD"] = constt(ShaderLanguage::TYPE_VEC2);
    169. 

  169. 

  170. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NODE_POSITION_WORLD"] = constt(ShaderLanguage::TYPE_VEC3);
    171. 

  171. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CAMERA_POSITION_WORLD"] = constt(ShaderLanguage::TYPE_VEC3);
    172. 

  172. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CAMERA_DIRECTION_WORLD"] = constt(ShaderLanguage::TYPE_VEC3);
    173. 

  173. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["CAMERA_VISIBLE_LAYERS"] = constt(ShaderLanguage::TYPE_UINT);
    174. 

  174. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["NODE_POSITION_VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
    175. 

  175. 

  176. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_INDEX"] = constt(ShaderLanguage::TYPE_INT);
    177. 

  177. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_MONO_LEFT"] = constt(ShaderLanguage::TYPE_INT);
    178. 

  178. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_RIGHT"] = constt(ShaderLanguage::TYPE_INT);
    179. 

  179. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["EYE_OFFSET"] = constt(ShaderLanguage::TYPE_VEC3);
    180. 

  180. 

  181. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["MODEL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    182. 

  182. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["MODEL_NORMAL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT3);
    183. 

  183. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    184. 

  184. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["INV_VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    185. 

  185. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    186. 

  186. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["INV_PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    187. 

  187. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEWPORT_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    188. 

  188. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["FOG"] = ShaderLanguage::TYPE_VEC4; // TODO consider adding to light shader
    189. 

  189. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["RADIANCE"] = ShaderLanguage::TYPE_VEC4;
    190. 

  190. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["IRRADIANCE"] = ShaderLanguage::TYPE_VEC4;
    191. 

  191. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].can_discard = true;
    192. 

  192. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].main_function = true;
    193. 

  193. 

  194. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_SCISSOR_THRESHOLD"] = ShaderLanguage::TYPE_FLOAT;
    195. 

  195. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_HASH_SCALE"] = ShaderLanguage::TYPE_FLOAT;
    196. 

  196. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_ANTIALIASING_EDGE"] = ShaderLanguage::TYPE_FLOAT;
    197. 

  197. 	shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_TEXTURE_COORDINATE"] = ShaderLanguage::TYPE_VEC2;
    198. 

  198. 

  199. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["MODEL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    200. 

  200. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    201. 

  201. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["INV_VIEW_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    202. 

  202. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    203. 

  203. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["INV_PROJECTION_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    204. 

  204. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["VIEWPORT_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    205. 

  205. 

  206. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    207. 

  207. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
    208. 

  208. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    209. 

  209. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["UV2"] = constt(ShaderLanguage::TYPE_VEC2);
    210. 

  210. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["VIEW"] = constt(ShaderLanguage::TYPE_VEC3);
    211. 

  211. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["SPECULAR_AMOUNT"] = constt(ShaderLanguage::TYPE_FLOAT);
    212. 

  212. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT"] = constt(ShaderLanguage::TYPE_VEC3);
    213. 

  213. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    214. 

  214. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["LIGHT_IS_DIRECTIONAL"] = constt(ShaderLanguage::TYPE_BOOL);
    215. 

  215. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ATTENUATION"] = constt(ShaderLanguage::TYPE_FLOAT);
    216. 

  216. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ALBEDO"] = constt(ShaderLanguage::TYPE_VEC3);
    217. 

  217. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["BACKLIGHT"] = constt(ShaderLanguage::TYPE_VEC3);
    218. 

  218. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["METALLIC"] = constt(ShaderLanguage::TYPE_FLOAT);
    219. 

  219. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ROUGHNESS"] = constt(ShaderLanguage::TYPE_FLOAT);
    220. 

  220. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["DIFFUSE_LIGHT"] = ShaderLanguage::TYPE_VEC3;
    221. 

  221. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["SPECULAR_LIGHT"] = ShaderLanguage::TYPE_VEC3;
    222. 

  222. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
    223. 

  223. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    224. 

  224. 

  225. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].can_discard = true;
    226. 

  226. 	shader_modes[RS::SHADER_SPATIAL].functions["light"].main_function = true;
    227. 

  227. 

  228. 	// spatial render modes
    229. 

  229. 	{
    230. 

  230. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("blend"), "mix", "add", "sub", "mul", "premul_alpha" });
    231. 

  231. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("depth_draw"), "opaque", "always", "never" });
    232. 

  232. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("depth_prepass_alpha") });
    233. 

  233. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("depth_test"), { "default", "disabled", "inverted" } });
    234. 

  234. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("sss_mode_skin") });
    235. 

  235. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("cull"), "back", "front", "disabled" });
    236. 

  236. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("unshaded") });
    237. 

  237. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("wireframe") });
    238. 

  238. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("diffuse"), "lambert", "lambert_wrap", "burley", "toon" });
    239. 

  239. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("specular"), "schlick_ggx", "toon", "disabled" });
    240. 

  240. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("skip_vertex_transform") });
    241. 

  241. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("world_vertex_coords") });
    242. 

  242. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("ensure_correct_normals") });
    243. 

  243. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("shadows_disabled") });
    244. 

  244. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("ambient_light_disabled") });
    245. 

  245. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("shadow_to_opacity") });
    246. 

  246. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("vertex_lighting") });
    247. 

  247. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("particle_trails") });
    248. 

  248. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("alpha_to_coverage") });
    249. 

  249. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("alpha_to_coverage_and_one") });
    250. 

  250. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("debug_shadow_splits") });
    251. 

  251. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("fog_disabled") });
    252. 

  252. 		shader_modes[RS::SHADER_SPATIAL].modes.push_back({ PNAME("specular_occlusion_disabled") });
    253. 

  253. 		shader_modes[RS::SHADER_SPATIAL].stencil_modes.push_back({ PNAME("read") });
    254. 

  254. 		shader_modes[RS::SHADER_SPATIAL].stencil_modes.push_back({ PNAME("write") });
    255. 

  255. 		shader_modes[RS::SHADER_SPATIAL].stencil_modes.push_back({ PNAME("write_depth_fail") });
    256. 

  256. 		shader_modes[RS::SHADER_SPATIAL].stencil_modes.push_back({ PNAME("compare"), { "always", "less", "equal", "less_or_equal", "greater", "not_equal", "greater_or_equal" } });
    257. 

  257. 	}
    258. 

  258. 

  259. 	/************ CANVAS ITEM **************************/
    260. 

  260. 

  261. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    262. 

  262. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    263. 

  263. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    264. 

  264. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    265. 

  265. 

  266. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["VERTEX"] = ShaderLanguage::TYPE_VEC2;
    267. 

  267. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["UV"] = ShaderLanguage::TYPE_VEC2;
    268. 

  268. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    269. 

  269. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["POINT_SIZE"] = ShaderLanguage::TYPE_FLOAT;
    270. 

  270. 

  271. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["MODEL_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    272. 

  272. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["CANVAS_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    273. 

  273. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["SCREEN_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4);
    274. 

  274. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["INSTANCE_CUSTOM"] = constt(ShaderLanguage::TYPE_VEC4);
    275. 

  275. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["INSTANCE_ID"] = constt(ShaderLanguage::TYPE_INT);
    276. 

  276. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["VERTEX_ID"] = constt(ShaderLanguage::TYPE_INT);
    277. 

  277. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["AT_LIGHT_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    278. 

  278. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["TEXTURE_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    279. 

  279. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["CUSTOM0"] = constt(ShaderLanguage::TYPE_VEC4);
    280. 

  280. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].built_ins["CUSTOM1"] = constt(ShaderLanguage::TYPE_VEC4);
    281. 

  281. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].can_discard = false;
    282. 

  282. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["vertex"].main_function = true;
    283. 

  283. 

  284. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["VERTEX"] = ShaderLanguage::TYPE_VEC2;
    285. 

  285. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SHADOW_VERTEX"] = ShaderLanguage::TYPE_VEC2;
    286. 

  286. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["LIGHT_VERTEX"] = ShaderLanguage::TYPE_VEC3;
    287. 

  287. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    288. 

  288. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL"] = ShaderLanguage::TYPE_VEC3;
    289. 

  289. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL_MAP"] = ShaderLanguage::TYPE_VEC3;
    290. 

  290. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL_MAP_DEPTH"] = ShaderLanguage::TYPE_FLOAT;
    291. 

  291. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    292. 

  292. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    293. 

  293. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    294. 

  294. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["TEXTURE_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    295. 

  295. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["NORMAL_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    296. 

  296. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SPECULAR_SHININESS_TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    297. 

  297. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SPECULAR_SHININESS"] = constt(ShaderLanguage::TYPE_VEC4);
    298. 

  298. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    299. 

  299. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["REGION_RECT"] = constt(ShaderLanguage::TYPE_VEC4);
    300. 

  300. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["SCREEN_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    301. 

  301. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["POINT_COORD"] = constt(ShaderLanguage::TYPE_VEC2);
    302. 

  302. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].built_ins["AT_LIGHT_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    303. 

  303. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].can_discard = true;
    304. 

  304. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].main_function = true;
    305. 

  305. 

  306. 	{
    307. 

  307. 		ShaderLanguage::StageFunctionInfo func;
    308. 

  308. 		func.skip_function = "vertex";
    309. 

  309. 		func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("sdf_pos", ShaderLanguage::TYPE_VEC2));
    310. 

  310. 		func.return_type = ShaderLanguage::TYPE_FLOAT; //whether it could emit
    311. 

  311. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["texture_sdf"] = func;
    312. 

  312. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["texture_sdf"] = func;
    313. 

  313. 		func.return_type = ShaderLanguage::TYPE_VEC2; //whether it could emit
    314. 

  314. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["sdf_to_screen_uv"] = func;
    315. 

  315. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["sdf_to_screen_uv"] = func;
    316. 

  316. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["texture_sdf_normal"] = func;
    317. 

  317. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["texture_sdf_normal"] = func;
    318. 

  318. 	}
    319. 

  319. 

  320. 	{
    321. 

  321. 		ShaderLanguage::StageFunctionInfo func;
    322. 

  322. 		func.skip_function = "vertex";
    323. 

  323. 		func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("uv", ShaderLanguage::TYPE_VEC2));
    324. 

  324. 		func.return_type = ShaderLanguage::TYPE_VEC2; //whether it could emit
    325. 

  325. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["fragment"].stage_functions["screen_uv_to_sdf"] = func;
    326. 

  326. 		shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].stage_functions["screen_uv_to_sdf"] = func;
    327. 

  327. 	}
    328. 

  328. 

  329. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    330. 

  330. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
    331. 

  331. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    332. 

  332. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["UV"] = constt(ShaderLanguage::TYPE_VEC2);
    333. 

  333. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SPECULAR_SHININESS"] = constt(ShaderLanguage::TYPE_VEC4);
    334. 

  334. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    335. 

  335. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    336. 

  336. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    337. 

  337. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    338. 

  338. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_IS_DIRECTIONAL"] = constt(ShaderLanguage::TYPE_BOOL);
    339. 

  339. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT_VERTEX"] = constt(ShaderLanguage::TYPE_VEC3);
    340. 

  340. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["LIGHT"] = ShaderLanguage::TYPE_VEC4;
    341. 

  341. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SHADOW_MODULATE"] = ShaderLanguage::TYPE_VEC4;
    342. 

  342. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    343. 

  343. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["TEXTURE"] = constt(ShaderLanguage::TYPE_SAMPLER2D);
    344. 

  344. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["TEXTURE_PIXEL_SIZE"] = constt(ShaderLanguage::TYPE_VEC2);
    345. 

  345. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].built_ins["POINT_COORD"] = constt(ShaderLanguage::TYPE_VEC2);
    346. 

  346. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].can_discard = true;
    347. 

  347. 	shader_modes[RS::SHADER_CANVAS_ITEM].functions["light"].main_function = true;
    348. 

  348. 

  349. 	// canvasitem render modes
    350. 

  350. 	{
    351. 

  351. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ PNAME("skip_vertex_transform") });
    352. 

  352. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ PNAME("blend"), "mix", "add", "sub", "mul", "premul_alpha", "disabled" });
    353. 

  353. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ PNAME("unshaded") });
    354. 

  354. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ PNAME("light_only") });
    355. 

  355. 		shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back({ PNAME("world_vertex_coords") });
    356. 

  356. 	}
    357. 

  357. 

  358. 	/************ PARTICLES **************************/
    359. 

  359. 

  360. 	shader_modes[RS::SHADER_PARTICLES].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    361. 

  361. 	shader_modes[RS::SHADER_PARTICLES].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    362. 

  362. 	shader_modes[RS::SHADER_PARTICLES].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    363. 

  363. 	shader_modes[RS::SHADER_PARTICLES].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    364. 

  364. 

  365. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    366. 

  366. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3;
    367. 

  367. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT;
    368. 

  368. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["ACTIVE"] = ShaderLanguage::TYPE_BOOL;
    369. 

  369. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["CUSTOM"] = ShaderLanguage::TYPE_VEC4;
    370. 

  370. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["USERDATA1"] = ShaderLanguage::TYPE_VEC4;
    371. 

  371. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["USERDATA2"] = ShaderLanguage::TYPE_VEC4;
    372. 

  372. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["USERDATA3"] = ShaderLanguage::TYPE_VEC4;
    373. 

  373. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["USERDATA4"] = ShaderLanguage::TYPE_VEC4;
    374. 

  374. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["USERDATA5"] = ShaderLanguage::TYPE_VEC4;
    375. 

  375. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["USERDATA6"] = ShaderLanguage::TYPE_VEC4;
    376. 

  376. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["TRANSFORM"] = ShaderLanguage::TYPE_MAT4;
    377. 

  377. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["LIFETIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    378. 

  378. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["DELTA"] = constt(ShaderLanguage::TYPE_FLOAT);
    379. 

  379. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["NUMBER"] = constt(ShaderLanguage::TYPE_UINT);
    380. 

  380. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_UINT);
    381. 

  381. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4);
    382. 

  382. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["EMITTER_VELOCITY"] = constt(ShaderLanguage::TYPE_VEC3);
    383. 

  383. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["INTERPOLATE_TO_END"] = constt(ShaderLanguage::TYPE_FLOAT);
    384. 

  384. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT);
    385. 

  385. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["FLAG_EMIT_POSITION"] = constt(ShaderLanguage::TYPE_UINT);
    386. 

  386. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["FLAG_EMIT_ROT_SCALE"] = constt(ShaderLanguage::TYPE_UINT);
    387. 

  387. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["FLAG_EMIT_VELOCITY"] = constt(ShaderLanguage::TYPE_UINT);
    388. 

  388. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["FLAG_EMIT_COLOR"] = constt(ShaderLanguage::TYPE_UINT);
    389. 

  389. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["FLAG_EMIT_CUSTOM"] = constt(ShaderLanguage::TYPE_UINT);
    390. 

  390. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_POSITION"] = constt(ShaderLanguage::TYPE_BOOL);
    391. 

  391. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_ROT_SCALE"] = constt(ShaderLanguage::TYPE_BOOL);
    392. 

  392. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_VELOCITY"] = constt(ShaderLanguage::TYPE_BOOL);
    393. 

  393. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_COLOR"] = constt(ShaderLanguage::TYPE_BOOL);
    394. 

  394. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_CUSTOM"] = constt(ShaderLanguage::TYPE_BOOL);
    395. 

  395. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["AMOUNT_RATIO"] = constt(ShaderLanguage::TYPE_FLOAT);
    396. 

  396. 	shader_modes[RS::SHADER_PARTICLES].functions["start"].main_function = true;
    397. 

  397. 

  398. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
    399. 

  399. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3;
    400. 

  400. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT;
    401. 

  401. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["ACTIVE"] = ShaderLanguage::TYPE_BOOL;
    402. 

  402. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART"] = constt(ShaderLanguage::TYPE_BOOL);
    403. 

  403. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["CUSTOM"] = ShaderLanguage::TYPE_VEC4;
    404. 

  404. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["USERDATA1"] = ShaderLanguage::TYPE_VEC4;
    405. 

  405. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["USERDATA2"] = ShaderLanguage::TYPE_VEC4;
    406. 

  406. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["USERDATA3"] = ShaderLanguage::TYPE_VEC4;
    407. 

  407. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["USERDATA4"] = ShaderLanguage::TYPE_VEC4;
    408. 

  408. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["USERDATA5"] = ShaderLanguage::TYPE_VEC4;
    409. 

  409. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["USERDATA6"] = ShaderLanguage::TYPE_VEC4;
    410. 

  410. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["TRANSFORM"] = ShaderLanguage::TYPE_MAT4;
    411. 

  411. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["LIFETIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    412. 

  412. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["DELTA"] = constt(ShaderLanguage::TYPE_FLOAT);
    413. 

  413. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["NUMBER"] = constt(ShaderLanguage::TYPE_UINT);
    414. 

  414. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_UINT);
    415. 

  415. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4);
    416. 

  416. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["EMITTER_VELOCITY"] = constt(ShaderLanguage::TYPE_VEC3);
    417. 

  417. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["INTERPOLATE_TO_END"] = constt(ShaderLanguage::TYPE_FLOAT);
    418. 

  418. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT);
    419. 

  419. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_POSITION"] = constt(ShaderLanguage::TYPE_UINT);
    420. 

  420. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_ROT_SCALE"] = constt(ShaderLanguage::TYPE_UINT);
    421. 

  421. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_VELOCITY"] = constt(ShaderLanguage::TYPE_UINT);
    422. 

  422. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_COLOR"] = constt(ShaderLanguage::TYPE_UINT);
    423. 

  423. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_CUSTOM"] = constt(ShaderLanguage::TYPE_UINT);
    424. 

  424. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLIDED"] = constt(ShaderLanguage::TYPE_BOOL);
    425. 

  425. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLISION_NORMAL"] = constt(ShaderLanguage::TYPE_VEC3);
    426. 

  426. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLISION_DEPTH"] = constt(ShaderLanguage::TYPE_FLOAT);
    427. 

  427. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["ATTRACTOR_FORCE"] = constt(ShaderLanguage::TYPE_VEC3);
    428. 

  428. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["AMOUNT_RATIO"] = constt(ShaderLanguage::TYPE_FLOAT);
    429. 

  429. 	shader_modes[RS::SHADER_PARTICLES].functions["process"].main_function = true;
    430. 

  430. 

  431. 	{
    432. 

  432. 		ShaderLanguage::StageFunctionInfo emit_vertex_func;
    433. 

  433. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("xform", ShaderLanguage::TYPE_MAT4));
    434. 

  434. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("velocity", ShaderLanguage::TYPE_VEC3));
    435. 

  435. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("color", ShaderLanguage::TYPE_VEC4));
    436. 

  436. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("custom", ShaderLanguage::TYPE_VEC4));
    437. 

  437. 		emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("flags", ShaderLanguage::TYPE_UINT));
    438. 

  438. 		emit_vertex_func.return_type = ShaderLanguage::TYPE_BOOL; //whether it could emit
    439. 

  439. 		shader_modes[RS::SHADER_PARTICLES].functions["start"].stage_functions["emit_subparticle"] = emit_vertex_func;
    440. 

  440. 		shader_modes[RS::SHADER_PARTICLES].functions["process"].stage_functions["emit_subparticle"] = emit_vertex_func;
    441. 

  441. 	}
    442. 

  442. 

  443. 	// particles render modes
    444. 

  444. 	{
    445. 

  445. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ PNAME("collision_use_scale") });
    446. 

  446. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ PNAME("disable_force") });
    447. 

  447. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ PNAME("disable_velocity") });
    448. 

  448. 		shader_modes[RS::SHADER_PARTICLES].modes.push_back({ PNAME("keep_data") });
    449. 

  449. 	}
    450. 

  450. 

  451. 	/************ SKY **************************/
    452. 

  452. 

  453. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    454. 

  454. 	shader_modes[RS::SHADER_SKY].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    455. 

  455. 	shader_modes[RS::SHADER_SKY].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    456. 

  456. 	shader_modes[RS::SHADER_SKY].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    457. 

  457. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    458. 

  458. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["RADIANCE"] = constt(ShaderLanguage::TYPE_SAMPLERCUBE);
    459. 

  459. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["AT_HALF_RES_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    460. 

  460. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["AT_QUARTER_RES_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    461. 

  461. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["AT_CUBEMAP_PASS"] = constt(ShaderLanguage::TYPE_BOOL);
    462. 

  462. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    463. 

  463. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    464. 

  464. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    465. 

  465. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    466. 

  466. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT0_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    467. 

  467. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    468. 

  468. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    469. 

  469. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    470. 

  470. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    471. 

  471. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT1_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    472. 

  472. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    473. 

  473. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    474. 

  474. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    475. 

  475. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    476. 

  476. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT2_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    477. 

  477. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_ENABLED"] = constt(ShaderLanguage::TYPE_BOOL);
    478. 

  478. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_DIRECTION"] = constt(ShaderLanguage::TYPE_VEC3);
    479. 

  479. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_ENERGY"] = constt(ShaderLanguage::TYPE_FLOAT);
    480. 

  480. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_COLOR"] = constt(ShaderLanguage::TYPE_VEC3);
    481. 

  481. 	shader_modes[RS::SHADER_SKY].functions["global"].built_ins["LIGHT3_SIZE"] = constt(ShaderLanguage::TYPE_FLOAT);
    482. 

  482. 

  483. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC3;
    484. 

  484. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT;
    485. 

  485. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["EYEDIR"] = constt(ShaderLanguage::TYPE_VEC3);
    486. 

  486. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["SCREEN_UV"] = constt(ShaderLanguage::TYPE_VEC2);
    487. 

  487. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["FRAGCOORD"] = constt(ShaderLanguage::TYPE_VEC4);
    488. 

  488. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["SKY_COORDS"] = constt(ShaderLanguage::TYPE_VEC2);
    489. 

  489. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["HALF_RES_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    490. 

  490. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["QUARTER_RES_COLOR"] = constt(ShaderLanguage::TYPE_VEC4);
    491. 

  491. 	shader_modes[RS::SHADER_SKY].functions["sky"].built_ins["FOG"] = ShaderLanguage::TYPE_VEC4;
    492. 

  492. 	shader_modes[RS::SHADER_SKY].functions["sky"].main_function = true;
    493. 

  493. 

  494. 	// sky render modes
    495. 

  495. 	{
    496. 

  496. 		shader_modes[RS::SHADER_SKY].modes.push_back({ PNAME("use_half_res_pass") });
    497. 

  497. 		shader_modes[RS::SHADER_SKY].modes.push_back({ PNAME("use_quarter_res_pass") });
    498. 

  498. 		shader_modes[RS::SHADER_SKY].modes.push_back({ PNAME("disable_fog") });
    499. 

  499. 		shader_modes[RS::SHADER_SKY].modes.push_back({ PNAME("use_debanding") });
    500. 

  500. 	}
    501. 

  501. 

  502. 	/************ FOG **************************/
    503. 

  503. 

  504. 	shader_modes[RS::SHADER_FOG].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
    505. 

  505. 	shader_modes[RS::SHADER_FOG].functions["constants"].built_ins["PI"] = constt(ShaderLanguage::TYPE_FLOAT);
    506. 

  506. 	shader_modes[RS::SHADER_FOG].functions["constants"].built_ins["TAU"] = constt(ShaderLanguage::TYPE_FLOAT);
    507. 

  507. 	shader_modes[RS::SHADER_FOG].functions["constants"].built_ins["E"] = constt(ShaderLanguage::TYPE_FLOAT);
    508. 

  508. 

  509. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["WORLD_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    510. 

  510. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["OBJECT_POSITION"] = constt(ShaderLanguage::TYPE_VEC3);
    511. 

  511. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["UVW"] = constt(ShaderLanguage::TYPE_VEC3);
    512. 

  512. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["SIZE"] = constt(ShaderLanguage::TYPE_VEC3);
    513. 

  513. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["SDF"] = constt(ShaderLanguage::TYPE_FLOAT);
    514. 

  514. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["ALBEDO"] = ShaderLanguage::TYPE_VEC3;
    515. 

  515. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["DENSITY"] = ShaderLanguage::TYPE_FLOAT;
    516. 

  516. 	shader_modes[RS::SHADER_FOG].functions["fog"].built_ins["EMISSION"] = ShaderLanguage::TYPE_VEC3;
    517. 

  517. 	shader_modes[RS::SHADER_FOG].functions["fog"].main_function = true;
    518. 

  518. 

  519. 	shader_types_list.push_back("spatial");
    520. 

  520. 	shader_types_list.push_back("canvas_item");
    521. 

  521. 	shader_types_list.push_back("particles");
    522. 

  522. 	shader_types_list.push_back("sky");
    523. 

  523. 	shader_types_list.push_back("fog");
    524. 

  524. 

  525. 	for (const String &type : shader_types_list) {
    526. 

  526. 		shader_types.insert(type);
    527. 

  527. 	}
    528. 

  528. }
    529. 

  529.