From e5d7c7d5fcd40c1516ef3276ce2ff3d2c10ecc8a Mon Sep 17 00:00:00 2001 From: Marios Staikopoulos Date: Mon, 13 Jul 2020 01:27:01 -0700 Subject: [PATCH] Alpha Hash and Alpha2Coverage Implementation --- core/typedefs.h | 14 ++ doc/classes/BaseMaterial3D.xml | 25 ++- scene/resources/material.cpp | 166 ++++++++++++++++-- scene/resources/material.h | 142 +++++++++------ .../rasterizer_scene_high_end_rd.cpp | 39 +++- .../rasterizer_scene_high_end_rd.h | 8 + .../rasterizer_rd/shaders/scene_high_end.glsl | 110 ++++++++++-- servers/rendering/shader_types.cpp | 8 + 8 files changed, 434 insertions(+), 78 deletions(-) diff --git a/core/typedefs.h b/core/typedefs.h index 2472e5fcd916..f0c32f2c9521 100644 --- a/core/typedefs.h +++ b/core/typedefs.h @@ -193,6 +193,20 @@ static inline unsigned int nearest_shift(unsigned int p_number) { return 0; } +// constexpr function to find the floored log2 of a number +template +constexpr T floor_log2(T x) { + return x < 2 ? x : 1 + floor_log2(x >> 1); +} + +// Get the number of bits needed to represent the number. +// IE, if you pass in 8, you will get 4. +// If you want to know how many bits are needed to store 8 values however, pass in (8 - 1). +template +constexpr T get_num_bits(T x) { + return floor_log2(x); +} + // Swap 16, 32 and 64 bits value for endianness. #if defined(__GNUC__) #define BSWAP16(x) __builtin_bswap16(x) diff --git a/doc/classes/BaseMaterial3D.xml b/doc/classes/BaseMaterial3D.xml index 8c92975b9cdb..31e6ea5e54ba 100644 --- a/doc/classes/BaseMaterial3D.xml +++ b/doc/classes/BaseMaterial3D.xml @@ -81,6 +81,15 @@ Texture to multiply by [member albedo_color]. Used for basic texturing of objects. + + Threshold at which antialiasing will by applied on the alpha channel. + + + The type of alpha antialiasing to apply. See [enum AlphaAntiAliasing]. + + + The hashing scale for Alpha Hash. Recommended values between [code]0[/code] and [code]2[/code]. + Threshold at which the alpha scissor will discard values. @@ -486,10 +495,13 @@ The material will cut off all values below a threshold, the rest will remain opaque. - + + The material will cut off all values below a spatially-deterministic threshold, the rest will remain opaque. + + The material will use the texture's alpha value for transparency, but will still be rendered in the pre-pass. - + Represents the size of the [enum Transparency] enum. @@ -555,6 +567,15 @@ The color of the object is multiplied by the background. + + Disables Alpha AntiAliasing for the material. + + + Enables AlphaToCoverage. Alpha values in the material are passed to the AntiAliasing sample mask. + + + Enables AlphaToCoverage and forces all non-zero alpha values to [code]1[/code]. Alpha values in the material are passed to the AntiAliasing sample mask. + Default depth draw mode. Depth is drawn only for opaque objects. diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp index 1e95a3572649..a5f8cdaf8805 100644 --- a/scene/resources/material.cpp +++ b/scene/resources/material.cpp @@ -324,7 +324,6 @@ void BaseMaterial3D::init_shaders() { shader_names->rim_texture_channel = "rim_texture_channel"; shader_names->heightmap_texture_channel = "heightmap_texture_channel"; shader_names->refraction_texture_channel = "refraction_texture_channel"; - shader_names->alpha_scissor_threshold = "alpha_scissor_threshold"; shader_names->transmittance_color = "transmittance_color"; shader_names->transmittance_curve = "transmittance_curve"; @@ -349,6 +348,12 @@ void BaseMaterial3D::init_shaders() { shader_names->texture_names[TEXTURE_DETAIL_ALBEDO] = "texture_detail_albedo"; shader_names->texture_names[TEXTURE_DETAIL_NORMAL] = "texture_detail_normal"; shader_names->texture_names[TEXTURE_ORM] = "texture_orm"; + + shader_names->alpha_scissor_threshold = "alpha_scissor_threshold"; + shader_names->alpha_hash_scale = "alpha_hash_scale"; + + shader_names->alpha_antialiasing_edge = "alpha_antialiasing_edge"; + shader_names->albedo_texture_size = "albedo_texture_size"; } Ref BaseMaterial3D::materials_for_2d[BaseMaterial3D::MAX_MATERIALS_FOR_2D]; @@ -435,6 +440,8 @@ void BaseMaterial3D::_update_shader() { case BLEND_MODE_MUL: code += "blend_mul"; break; + case BLEND_MODE_MAX: + break; // Internal value, skip. } DepthDrawMode ddm = depth_draw_mode; @@ -452,10 +459,8 @@ void BaseMaterial3D::_update_shader() { case DEPTH_DRAW_DISABLED: code += ",depth_draw_never"; break; - } - - if (transparency == TRANSPARENCY_ALPHA_DEPTH_PRE_PASS) { - code += ",depth_prepass_alpha"; + case DEPTH_DRAW_MAX: + break; // Internal value, skip. } switch (cull_mode) { @@ -468,6 +473,8 @@ void BaseMaterial3D::_update_shader() { case CULL_DISABLED: code += ",cull_disabled"; break; + case CULL_MAX: + break; // Internal value, skip. } switch (diffuse_mode) { case DIFFUSE_BURLEY: @@ -485,6 +492,8 @@ void BaseMaterial3D::_update_shader() { case DIFFUSE_TOON: code += ",diffuse_toon"; break; + case DIFFUSE_MAX: + break; // Internal value, skip. } switch (specular_mode) { case SPECULAR_SCHLICK_GGX: @@ -502,6 +511,8 @@ void BaseMaterial3D::_update_shader() { case SPECULAR_DISABLED: code += ",specular_disabled"; break; + case SPECULAR_MAX: + break; // Internal value, skip. } if (features[FEATURE_SUBSURFACE_SCATTERING] && flags[FLAG_SUBSURFACE_MODE_SKIN]) { code += ",sss_mode_skin"; @@ -525,6 +536,23 @@ void BaseMaterial3D::_update_shader() { if (flags[FLAG_USE_SHADOW_TO_OPACITY]) { code += ",shadow_to_opacity"; } + + if (transparency == TRANSPARENCY_ALPHA_DEPTH_PRE_PASS) { + code += ",depth_prepass_alpha"; + } + + // Although its technically possible to do alpha antialiasing without using alpha hash or alpha scissor, + // it is restricted in the base material because it has no use, and abusing it with regular Alpha blending can + // saturate the MSAA mask + if (transparency == TRANSPARENCY_ALPHA_HASH || transparency == TRANSPARENCY_ALPHA_SCISSOR) { + // alpha antialiasing is only useful in ALPHA_HASH or ALPHA_SCISSOR + if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE) { + code += ",alpha_to_coverage"; + } else if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE) { + code += ",alpha_to_coverage_and_one"; + } + } + code += ";\n"; code += "uniform vec4 albedo : hint_color;\n"; @@ -541,8 +569,18 @@ void BaseMaterial3D::_update_shader() { code += "uniform float distance_fade_max;\n"; } + // alpha scissor is only valid if there is not antialiasing edge + // alpha hash is valid whenever, but not with alpha scissor if (transparency == TRANSPARENCY_ALPHA_SCISSOR) { code += "uniform float alpha_scissor_threshold;\n"; + } else if (transparency == TRANSPARENCY_ALPHA_HASH) { + code += "uniform float alpha_hash_scale;\n"; + } + // if alpha antialiasing isn't off, add in the edge variable + if (alpha_antialiasing_mode != ALPHA_ANTIALIASING_OFF && + (transparency == TRANSPARENCY_ALPHA_SCISSOR || transparency == TRANSPARENCY_ALPHA_HASH)) { + code += "uniform float alpha_antialiasing_edge;\n"; + code += "uniform ivec2 albedo_texture_size;\n"; } code += "uniform float point_size : hint_range(0,128);\n"; @@ -568,6 +606,8 @@ void BaseMaterial3D::_update_shader() { case TEXTURE_CHANNEL_GRAYSCALE: { code += "uniform sampler2D texture_roughness : hint_roughness_gray," + texfilter_str + ";\n"; } break; + case TEXTURE_CHANNEL_MAX: + break; // Internal value, skip. } code += "uniform float specular;\n"; @@ -731,6 +771,8 @@ void BaseMaterial3D::_update_shader() { code += "\tUV /= vec2(h_frames, v_frames);\n"; code += "\tUV += vec2(mod(particle_frame, h_frames) / h_frames, floor(particle_frame / h_frames) / v_frames);\n"; } break; + case BILLBOARD_MAX: + break; // Internal value, skip. } if (flags[FLAG_FIXED_SIZE]) { @@ -903,6 +945,8 @@ void BaseMaterial3D::_update_shader() { case TEXTURE_CHANNEL_GRAYSCALE: { code += "\tvec4 roughness_texture_channel = vec4(0.333333,0.333333,0.333333,0.0);\n"; } break; + case TEXTURE_CHANNEL_MAX: + break; // Internal value, skip. } if (flags[FLAG_UV1_USE_TRIPLANAR]) { @@ -970,10 +1014,17 @@ void BaseMaterial3D::_update_shader() { code += "\tALBEDO *= 1.0 - ref_amount;\n"; code += "\tALPHA = 1.0;\n"; - } else if (transparency == TRANSPARENCY_ALPHA || transparency == TRANSPARENCY_ALPHA_DEPTH_PRE_PASS || flags[FLAG_USE_SHADOW_TO_OPACITY] || (distance_fade == DISTANCE_FADE_PIXEL_ALPHA) || proximity_fade_enabled) { + } else if (transparency != TRANSPARENCY_DISABLED || flags[FLAG_USE_SHADOW_TO_OPACITY] || (distance_fade == DISTANCE_FADE_PIXEL_ALPHA) || proximity_fade_enabled) { code += "\tALPHA = albedo.a * albedo_tex.a;\n"; + } + if (transparency == TRANSPARENCY_ALPHA_HASH) { + code += "\tALPHA_HASH_SCALE = alpha_hash_scale;\n"; } else if (transparency == TRANSPARENCY_ALPHA_SCISSOR) { - code += "\tif (albedo.a * albedo_tex.a < alpha_scissor_threshold) discard;\n"; + code += "\tALPHA_SCISSOR_THRESHOLD = alpha_scissor_threshold;\n"; + } + if (alpha_antialiasing_mode != ALPHA_ANTIALIASING_OFF && (transparency == TRANSPARENCY_ALPHA_HASH || transparency == TRANSPARENCY_ALPHA_SCISSOR)) { + code += "\tALPHA_ANTIALIASING_EDGE = alpha_antialiasing_edge;\n"; + code += "\tALPHA_TEXTURE_COORDINATE = UV * vec2(albedo_texture_size);\n"; } if (proximity_fade_enabled) { @@ -1143,6 +1194,8 @@ void BaseMaterial3D::_update_shader() { case BLEND_MODE_MUL: { code += "\tvec3 detail = mix(ALBEDO.rgb,ALBEDO.rgb*detail_tex.rgb,detail_tex.a);\n"; } break; + case BLEND_MODE_MAX: + break; // Internal value, skip. } code += "\tvec3 detail_norm = mix(NORMALMAP,detail_norm_tex.rgb,detail_tex.a);\n"; @@ -1424,6 +1477,20 @@ BaseMaterial3D::Transparency BaseMaterial3D::get_transparency() const { return transparency; } +void BaseMaterial3D::set_alpha_antialiasing(AlphaAntiAliasing p_alpha_aa) { + if (alpha_antialiasing_mode == p_alpha_aa) { + return; + } + + alpha_antialiasing_mode = p_alpha_aa; + _queue_shader_change(); + _change_notify(); +} + +BaseMaterial3D::AlphaAntiAliasing BaseMaterial3D::get_alpha_antialiasing() const { + return alpha_antialiasing_mode; +} + void BaseMaterial3D::set_shading_mode(ShadingMode p_shading_mode) { if (shading_mode == p_shading_mode) { return; @@ -1530,6 +1597,10 @@ void BaseMaterial3D::set_texture(TextureParam p_param, const Ref &p_t textures[p_param] = p_texture; RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID(); RS::get_singleton()->material_set_param(_get_material(), shader_names->texture_names[p_param], rid); + if (p_texture.is_valid() && p_param == TEXTURE_ALBEDO) { + RS::get_singleton()->material_set_param(_get_material(), shader_names->albedo_texture_size, + Vector2i(p_texture->get_width(), p_texture->get_height())); + } _change_notify(); _queue_shader_change(); } @@ -1605,10 +1676,34 @@ void BaseMaterial3D::_validate_property(PropertyInfo &property) const { property.usage = 0; } + // you can only enable anti-aliasing (in mataerials) on alpha scissor and alpha hash + const bool can_select_aa = (transparency == TRANSPARENCY_ALPHA_SCISSOR || transparency == TRANSPARENCY_ALPHA_HASH); + // alpha anti aliasiasing is only enabled when you can select aa + const bool alpha_aa_enabled = (alpha_antialiasing_mode != ALPHA_ANTIALIASING_OFF) && can_select_aa; + + // alpha scissor slider isn't needed when alpha antialiasing is enabled if (property.name == "alpha_scissor_threshold" && transparency != TRANSPARENCY_ALPHA_SCISSOR) { property.usage = 0; } + // alpha hash scale slider is only needed if transparency is alpha hash + if (property.name == "alpha_hash_scale" && transparency != TRANSPARENCY_ALPHA_HASH) { + property.usage = 0; + } + + if (property.name == "alpha_antialiasing_mode" && !can_select_aa) { + property.usage = 0; + } + + // we cant choose an antialiasing mode if alpha isnt possible + if (property.name == "alpha_antialiasing_edge" && !alpha_aa_enabled) { + property.usage = 0; + } + + if (property.name == "blend_mode" && alpha_aa_enabled) { + property.usage = 0; + } + if ((property.name == "heightmap_min_layers" || property.name == "heightmap_max_layers") && !deep_parallax) { property.usage = 0; } @@ -1845,6 +1940,24 @@ float BaseMaterial3D::get_alpha_scissor_threshold() const { return alpha_scissor_threshold; } +void BaseMaterial3D::set_alpha_hash_scale(float p_scale) { + alpha_hash_scale = p_scale; + RS::get_singleton()->material_set_param(_get_material(), shader_names->alpha_hash_scale, p_scale); +} + +float BaseMaterial3D::get_alpha_hash_scale() const { + return alpha_hash_scale; +} + +void BaseMaterial3D::set_alpha_antialiasing_edge(float p_edge) { + alpha_antialiasing_edge = p_edge; + RS::get_singleton()->material_set_param(_get_material(), shader_names->alpha_antialiasing_edge, p_edge); +} + +float BaseMaterial3D::get_alpha_antialiasing_edge() const { + return alpha_antialiasing_edge; +} + void BaseMaterial3D::set_grow(float p_grow) { grow = p_grow; RS::get_singleton()->material_set_param(_get_material(), shader_names->grow, p_grow); @@ -2033,6 +2146,12 @@ void BaseMaterial3D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_transparency", "transparency"), &BaseMaterial3D::set_transparency); ClassDB::bind_method(D_METHOD("get_transparency"), &BaseMaterial3D::get_transparency); + ClassDB::bind_method(D_METHOD("set_alpha_antialiasing", "alpha_aa"), &BaseMaterial3D::set_alpha_antialiasing); + ClassDB::bind_method(D_METHOD("get_alpha_antialiasing"), &BaseMaterial3D::get_alpha_antialiasing); + + ClassDB::bind_method(D_METHOD("set_alpha_antialiasing_edge", "edge"), &BaseMaterial3D::set_alpha_antialiasing_edge); + ClassDB::bind_method(D_METHOD("get_alpha_antialiasing_edge"), &BaseMaterial3D::get_alpha_antialiasing_edge); + ClassDB::bind_method(D_METHOD("set_shading_mode", "shading_mode"), &BaseMaterial3D::set_shading_mode); ClassDB::bind_method(D_METHOD("get_shading_mode"), &BaseMaterial3D::get_shading_mode); @@ -2186,6 +2305,9 @@ void BaseMaterial3D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_alpha_scissor_threshold", "threshold"), &BaseMaterial3D::set_alpha_scissor_threshold); ClassDB::bind_method(D_METHOD("get_alpha_scissor_threshold"), &BaseMaterial3D::get_alpha_scissor_threshold); + ClassDB::bind_method(D_METHOD("set_alpha_hash_scale", "threshold"), &BaseMaterial3D::set_alpha_hash_scale); + ClassDB::bind_method(D_METHOD("get_alpha_hash_scale"), &BaseMaterial3D::get_alpha_hash_scale); + ClassDB::bind_method(D_METHOD("set_grow_enabled", "enable"), &BaseMaterial3D::set_grow_enabled); ClassDB::bind_method(D_METHOD("is_grow_enabled"), &BaseMaterial3D::is_grow_enabled); @@ -2217,8 +2339,11 @@ void BaseMaterial3D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_distance_fade_min_distance"), &BaseMaterial3D::get_distance_fade_min_distance); ADD_GROUP("Transparency", ""); - ADD_PROPERTY(PropertyInfo(Variant::INT, "transparency", PROPERTY_HINT_ENUM, "Disabled,Alpha,AlphaScissor,DepthPrePass"), "set_transparency", "get_transparency"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "transparency", PROPERTY_HINT_ENUM, "Disabled,Alpha,Alpha Scissor,Alpha Hash,Depth PrePass"), "set_transparency", "get_transparency"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "alpha_scissor_threshold", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_alpha_scissor_threshold", "get_alpha_scissor_threshold"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "alpha_hash_scale", PROPERTY_HINT_RANGE, "0,2,0.01"), "set_alpha_hash_scale", "get_alpha_hash_scale"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "alpha_antialiasing_mode", PROPERTY_HINT_ENUM, "Disabled,Alpha Edge Blend,Alpha Edge Clip"), "set_alpha_antialiasing", "get_alpha_antialiasing"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "alpha_antialiasing_edge", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_alpha_antialiasing_edge", "get_alpha_antialiasing_edge"); ADD_PROPERTY(PropertyInfo(Variant::INT, "blend_mode", PROPERTY_HINT_ENUM, "Mix,Add,Sub,Mul"), "set_blend_mode", "get_blend_mode"); ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mode", PROPERTY_HINT_ENUM, "Back,Front,Disabled"), "set_cull_mode", "get_cull_mode"); ADD_PROPERTY(PropertyInfo(Variant::INT, "depth_draw_mode", PROPERTY_HINT_ENUM, "Opaque Only,Always,Never"), "set_depth_draw_mode", "get_depth_draw_mode"); @@ -2414,6 +2539,7 @@ void BaseMaterial3D::_bind_methods() { BIND_ENUM_CONSTANT(TRANSPARENCY_DISABLED); BIND_ENUM_CONSTANT(TRANSPARENCY_ALPHA); BIND_ENUM_CONSTANT(TRANSPARENCY_ALPHA_SCISSOR); + BIND_ENUM_CONSTANT(TRANSPARENCY_ALPHA_HASH); BIND_ENUM_CONSTANT(TRANSPARENCY_ALPHA_DEPTH_PRE_PASS); BIND_ENUM_CONSTANT(TRANSPARENCY_MAX); @@ -2441,6 +2567,10 @@ void BaseMaterial3D::_bind_methods() { BIND_ENUM_CONSTANT(BLEND_MODE_SUB); BIND_ENUM_CONSTANT(BLEND_MODE_MUL); + BIND_ENUM_CONSTANT(ALPHA_ANTIALIASING_OFF); + BIND_ENUM_CONSTANT(ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE); + BIND_ENUM_CONSTANT(ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE); + BIND_ENUM_CONSTANT(DEPTH_DRAW_OPAQUE_ONLY); BIND_ENUM_CONSTANT(DEPTH_DRAW_ALWAYS); BIND_ENUM_CONSTANT(DEPTH_DRAW_DISABLED); @@ -2506,7 +2636,6 @@ BaseMaterial3D::BaseMaterial3D(bool p_orm) : element(this) { orm = p_orm; // Initialize to the same values as the shader - transparency = TRANSPARENCY_DISABLED; shading_mode = SHADING_MODE_PER_PIXEL; set_albedo(Color(1.0, 1.0, 1.0, 1.0)); set_specular(0.5); @@ -2539,9 +2668,14 @@ BaseMaterial3D::BaseMaterial3D(bool p_orm) : set_particles_anim_h_frames(1); set_particles_anim_v_frames(1); set_particles_anim_loop(false); - set_alpha_scissor_threshold(0.98); emission_op = EMISSION_OP_ADD; + set_transparency(TRANSPARENCY_DISABLED); + set_alpha_antialiasing(ALPHA_ANTIALIASING_OFF); + set_alpha_scissor_threshold(0.05); + set_alpha_hash_scale(1.0); + set_alpha_antialiasing_edge(0.3); + proximity_fade_enabled = false; distance_fade = DISTANCE_FADE_DISABLED; set_proximity_fade_distance(1); @@ -2582,10 +2716,8 @@ BaseMaterial3D::BaseMaterial3D(bool p_orm) : features[i] = false; } - current_key.key0 = 0; - current_key.key1 = 0; - current_key.invalid_key = 1; texture_filter = TEXTURE_FILTER_LINEAR_WITH_MIPMAPS; + _queue_shader_change(); } @@ -2633,6 +2765,12 @@ bool StandardMaterial3D::_set(const StringName &p_name, const Variant &p_value) set_transparency(TRANSPARENCY_ALPHA_SCISSOR); } return true; + } else if (p_name == "params_use_alpha_hash") { + bool use_hash = p_value; + if (use_hash) { + set_transparency(TRANSPARENCY_ALPHA_HASH); + } + return true; } else if (p_name == "params_depth_draw_mode") { int mode = p_value; if (mode == 3) { @@ -2667,6 +2805,8 @@ bool StandardMaterial3D::_set(const StringName &p_name, const Variant &p_value) { "params_grow", "grow" }, { "params_grow_amount", "grow_amount" }, { "params_alpha_scissor_threshold", "alpha_scissor_threshold" }, + { "params_alpha_hash_scale", "alpha_hash_scale" }, + { "params_alpha_antialiasing_edge", "alpha_antialiasing_edge" }, { "depth_scale", "heightmap_scale" }, { "depth_deep_parallax", "heightmap_deep_parallax" }, diff --git a/scene/resources/material.h b/scene/resources/material.h index b5bdd77eb50a..da1808d34828 100644 --- a/scene/resources/material.h +++ b/scene/resources/material.h @@ -145,17 +145,26 @@ public: enum DetailUV { DETAIL_UV_1, - DETAIL_UV_2 + DETAIL_UV_2, + DETAIL_UV_MAX }; enum Transparency { TRANSPARENCY_DISABLED, TRANSPARENCY_ALPHA, TRANSPARENCY_ALPHA_SCISSOR, + TRANSPARENCY_ALPHA_HASH, TRANSPARENCY_ALPHA_DEPTH_PRE_PASS, TRANSPARENCY_MAX, }; + enum AlphaAntiAliasing { + ALPHA_ANTIALIASING_OFF, + ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE, + ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE, + ALPHA_ANTIALIASING_MAX + }; + enum ShadingMode { SHADING_MODE_UNSHADED, SHADING_MODE_PER_PIXEL, @@ -184,18 +193,21 @@ public: BLEND_MODE_ADD, BLEND_MODE_SUB, BLEND_MODE_MUL, + BLEND_MODE_MAX }; enum DepthDrawMode { DEPTH_DRAW_OPAQUE_ONLY, DEPTH_DRAW_ALWAYS, DEPTH_DRAW_DISABLED, + DEPTH_DRAW_MAX }; enum CullMode { CULL_BACK, CULL_FRONT, - CULL_DISABLED + CULL_DISABLED, + CULL_MAX }; enum Flags { @@ -227,6 +239,7 @@ public: DIFFUSE_LAMBERT_WRAP, DIFFUSE_OREN_NAYAR, DIFFUSE_TOON, + DIFFUSE_MAX }; enum SpecularMode { @@ -235,6 +248,7 @@ public: SPECULAR_PHONG, SPECULAR_TOON, SPECULAR_DISABLED, + SPECULAR_MAX }; enum BillboardMode { @@ -242,6 +256,7 @@ public: BILLBOARD_ENABLED, BILLBOARD_FIXED_Y, BILLBOARD_PARTICLES, + BILLBOARD_MAX }; enum TextureChannel { @@ -249,12 +264,14 @@ public: TEXTURE_CHANNEL_GREEN, TEXTURE_CHANNEL_BLUE, TEXTURE_CHANNEL_ALPHA, - TEXTURE_CHANNEL_GRAYSCALE + TEXTURE_CHANNEL_GRAYSCALE, + TEXTURE_CHANNEL_MAX }; enum EmissionOperator { EMISSION_OP_ADD, - EMISSION_OP_MULTIPLY + EMISSION_OP_MULTIPLY, + EMISSION_OP_MAX }; enum DistanceFadeMode { @@ -262,43 +279,47 @@ public: DISTANCE_FADE_PIXEL_ALPHA, DISTANCE_FADE_PIXEL_DITHER, DISTANCE_FADE_OBJECT_DITHER, + DISTANCE_FADE_MAX }; private: - union MaterialKey { - struct { - uint64_t feature_mask : FEATURE_MAX; - uint64_t detail_uv : 1; - uint64_t blend_mode : 2; - uint64_t depth_draw_mode : 2; - uint64_t cull_mode : 2; - uint64_t flags : FLAG_MAX; - uint64_t detail_blend_mode : 2; - uint64_t diffuse_mode : 3; - uint64_t specular_mode : 3; - uint64_t invalid_key : 1; - uint64_t deep_parallax : 1; - uint64_t billboard_mode : 2; - uint64_t grow : 1; - uint64_t proximity_fade : 1; - uint64_t distance_fade : 2; - uint64_t emission_op : 1; - uint64_t texture_filter : 3; - uint64_t transparency : 2; - uint64_t shading_mode : 2; - uint64_t roughness_channel : 3; - }; + struct MaterialKey { + // enum values + uint64_t texture_filter : get_num_bits(TEXTURE_FILTER_MAX - 1); + uint64_t detail_uv : get_num_bits(DETAIL_UV_MAX - 1); + uint64_t transparency : get_num_bits(TRANSPARENCY_MAX - 1); + uint64_t alpha_antialiasing_mode : get_num_bits(ALPHA_ANTIALIASING_MAX - 1); + uint64_t shading_mode : get_num_bits(SHADING_MODE_MAX - 1); + uint64_t blend_mode : get_num_bits(BLEND_MODE_MAX - 1); + uint64_t depth_draw_mode : get_num_bits(DEPTH_DRAW_MAX - 1); + uint64_t cull_mode : get_num_bits(CULL_MAX - 1); + uint64_t diffuse_mode : get_num_bits(DIFFUSE_MAX - 1); + uint64_t specular_mode : get_num_bits(SPECULAR_MAX - 1); + uint64_t billboard_mode : get_num_bits(BILLBOARD_MAX - 1); + uint64_t detail_blend_mode : get_num_bits(BLEND_MODE_MAX - 1); + uint64_t roughness_channel : get_num_bits(TEXTURE_CHANNEL_MAX - 1); + uint64_t emission_op : get_num_bits(EMISSION_OP_MAX - 1); + uint64_t distance_fade : get_num_bits(DISTANCE_FADE_MAX - 1); - struct { - uint64_t key0; - uint64_t key1; - }; + // flag bitfield + uint64_t feature_mask : FEATURE_MAX - 1; + uint64_t flags : FLAG_MAX - 1; + + // booleans + uint64_t deep_parallax : 1; + uint64_t grow : 1; + uint64_t proximity_fade : 1; + + MaterialKey() { + memset(this, 0, sizeof(MaterialKey)); + } bool operator==(const MaterialKey &p_key) const { - return (key0 == p_key.key0) && (key1 == p_key.key1); + return memcmp(this, &p_key, sizeof(MaterialKey)) == 0; } + bool operator<(const MaterialKey &p_key) const { - return (key0 == p_key.key0) ? (key1 < p_key.key1) : (key0 < p_key.key0); + return memcmp(this, &p_key, sizeof(MaterialKey)) < 0; } }; @@ -313,13 +334,7 @@ private: _FORCE_INLINE_ MaterialKey _compute_key() const { MaterialKey mk; - mk.key0 = 0; - mk.key1 = 0; - for (int i = 0; i < FEATURE_MAX; i++) { - if (features[i]) { - mk.feature_mask |= ((uint64_t)1 << i); - } - } + mk.detail_uv = detail_uv; mk.blend_mode = blend_mode; mk.depth_draw_mode = depth_draw_mode; @@ -328,20 +343,28 @@ private: mk.transparency = transparency; mk.shading_mode = shading_mode; mk.roughness_channel = roughness_texture_channel; + mk.detail_blend_mode = detail_blend_mode; + mk.diffuse_mode = diffuse_mode; + mk.specular_mode = specular_mode; + mk.billboard_mode = billboard_mode; + mk.deep_parallax = deep_parallax; + mk.grow = grow_enabled; + mk.proximity_fade = proximity_fade_enabled; + mk.distance_fade = distance_fade; + mk.emission_op = emission_op; + mk.alpha_antialiasing_mode = alpha_antialiasing_mode; + + for (int i = 0; i < FEATURE_MAX; i++) { + if (features[i]) { + mk.feature_mask |= ((uint64_t)1 << i); + } + } + for (int i = 0; i < FLAG_MAX; i++) { if (flags[i]) { mk.flags |= ((uint64_t)1 << i); } } - mk.detail_blend_mode = detail_blend_mode; - mk.diffuse_mode = diffuse_mode; - mk.specular_mode = specular_mode; - mk.billboard_mode = billboard_mode; - mk.deep_parallax = deep_parallax ? 1 : 0; - mk.grow = grow_enabled; - mk.proximity_fade = proximity_fade_enabled; - mk.distance_fade = distance_fade; - mk.emission_op = emission_op; return mk; } @@ -392,9 +415,14 @@ private: StringName rim_texture_channel; StringName heightmap_texture_channel; StringName refraction_texture_channel; - StringName alpha_scissor_threshold; StringName texture_names[TEXTURE_MAX]; + + StringName alpha_scissor_threshold; + StringName alpha_hash_scale; + + StringName alpha_antialiasing_edge; + StringName albedo_texture_size; }; static Mutex material_mutex; @@ -433,6 +461,8 @@ private: float refraction; float point_size; float alpha_scissor_threshold; + float alpha_hash_scale; + float alpha_antialiasing_edge; bool grow_enabled; float ao_light_affect; float grow; @@ -482,6 +512,8 @@ private: TextureChannel ao_texture_channel; TextureChannel refraction_texture_channel; + AlphaAntiAliasing alpha_antialiasing_mode; + bool features[FEATURE_MAX]; Ref textures[TEXTURE_MAX]; @@ -584,6 +616,12 @@ public: void set_transparency(Transparency p_transparency); Transparency get_transparency() const; + void set_alpha_antialiasing(AlphaAntiAliasing p_alpha_aa); + AlphaAntiAliasing get_alpha_antialiasing() const; + + void set_alpha_antialiasing_edge(float p_edge); + float get_alpha_antialiasing_edge() const; + void set_shading_mode(ShadingMode p_shading_mode); ShadingMode get_shading_mode() const; @@ -660,6 +698,9 @@ public: void set_alpha_scissor_threshold(float p_threshold); float get_alpha_scissor_threshold() const; + void set_alpha_hash_scale(float p_scale); + float get_alpha_hash_scale() const; + void set_on_top_of_alpha(); void set_proximity_fade(bool p_enable); @@ -707,6 +748,7 @@ VARIANT_ENUM_CAST(BaseMaterial3D::TextureParam) VARIANT_ENUM_CAST(BaseMaterial3D::TextureFilter) VARIANT_ENUM_CAST(BaseMaterial3D::ShadingMode) VARIANT_ENUM_CAST(BaseMaterial3D::Transparency) +VARIANT_ENUM_CAST(BaseMaterial3D::AlphaAntiAliasing) VARIANT_ENUM_CAST(BaseMaterial3D::DetailUV) VARIANT_ENUM_CAST(BaseMaterial3D::Feature) VARIANT_ENUM_CAST(BaseMaterial3D::BlendMode) diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp index 35b059128970..3fff593598a1 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp @@ -51,6 +51,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { int blend_mode = BLEND_MODE_MIX; int depth_testi = DEPTH_TEST_ENABLED; + int alpha_antialiasing_mode = ALPHA_ANTIALIASING_OFF; int cull = CULL_BACK; uses_point_size = false; @@ -82,6 +83,9 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { actions.render_mode_values["blend_sub"] = Pair(&blend_mode, BLEND_MODE_SUB); actions.render_mode_values["blend_mul"] = Pair(&blend_mode, BLEND_MODE_MUL); + actions.render_mode_values["alpha_to_coverage"] = Pair(&alpha_antialiasing_mode, ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE); + actions.render_mode_values["alpha_to_coverage_and_one"] = Pair(&alpha_antialiasing_mode, ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE); + actions.render_mode_values["depth_draw_never"] = Pair(&depth_drawi, DEPTH_DRAW_DISABLED); actions.render_mode_values["depth_draw_opaque"] = Pair(&depth_drawi, DEPTH_DRAW_OPAQUE); actions.render_mode_values["depth_draw_always"] = Pair(&depth_drawi, DEPTH_DRAW_ALWAYS); @@ -154,6 +158,11 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { //blend modes + // if any form of Alpha Antialiasing is enabled, set the blend mode to alpha to coverage + if (alpha_antialiasing_mode != ALPHA_ANTIALIASING_OFF) { + blend_mode = BLEND_MODE_ALPHA_TO_COVERAGE; + } + RD::PipelineColorBlendState::Attachment blend_attachment; switch (blend_mode) { @@ -199,6 +208,15 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { blend_attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ZERO; uses_blend_alpha = true; //force alpha used because of blend } break; + case BLEND_MODE_ALPHA_TO_COVERAGE: { + blend_attachment.enable_blend = true; + blend_attachment.alpha_blend_op = RD::BLEND_OP_ADD; + blend_attachment.color_blend_op = RD::BLEND_OP_ADD; + blend_attachment.src_color_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA; + blend_attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + blend_attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE; + blend_attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ZERO; + } } RD::PipelineColorBlendState blend_state_blend; @@ -245,8 +263,17 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { RD::PipelineColorBlendState blend_state; RD::PipelineDepthStencilState depth_stencil = depth_stencil_state; + RD::PipelineMultisampleState multisample_state; if (uses_alpha || uses_blend_alpha) { + // only allow these flags to go through if we have some form of msaa + if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE) { + multisample_state.enable_alpha_to_coverage = true; + } else if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE) { + multisample_state.enable_alpha_to_coverage = true; + multisample_state.enable_alpha_to_one = true; + } + if (k == SHADER_VERSION_COLOR_PASS || k == SHADER_VERSION_COLOR_PASS_WITH_FORWARD_GI || k == SHADER_VERSION_LIGHTMAP_COLOR_PASS) { blend_state = blend_state_blend; if (depth_draw == DEPTH_DRAW_OPAQUE) { @@ -286,7 +313,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { } RID shader_variant = scene_singleton->shader.scene_shader.version_get_shader(version, k); - pipelines[i][j][k].setup(shader_variant, primitive_rd, raster_state, RD::PipelineMultisampleState(), depth_stencil, blend_state, 0); + pipelines[i][j][k].setup(shader_variant, primitive_rd, raster_state, multisample_state, depth_stencil, blend_state, 0); } } } @@ -2725,6 +2752,11 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.renames["POINT_SIZE"] = "gl_PointSize"; actions.renames["INSTANCE_ID"] = "gl_InstanceIndex"; + actions.renames["ALPHA_SCISSOR_THRESHOLD"] = "alpha_scissor_threshold"; + actions.renames["ALPHA_HASH_SCALE"] = "alpha_hash_scale"; + actions.renames["ALPHA_ANTIALIASING_EDGE"] = "alpha_antialiasing_edge"; + actions.renames["ALPHA_TEXTURE_COORDINATE"] = "alpha_texture_coordinate"; + //builtins actions.renames["TIME"] = "scene_data.time"; @@ -2793,6 +2825,11 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.usage_defines["INSTANCE_CUSTOM"] = "#define ENABLE_INSTANCE_CUSTOM\n"; actions.usage_defines["POSITION"] = "#define OVERRIDE_POSITION\n"; + actions.usage_defines["ALPHA_SCISSOR_THRESHOLD"] = "#define ALPHA_SCISSOR_USED\n"; + actions.usage_defines["ALPHA_HASH_SCALE"] = "#define ALPHA_HASH_USED\n"; + actions.usage_defines["ALPHA_ANTIALIASING_EDGE"] = "#define ALPHA_ANTIALIASING_EDGE_USED\n"; + actions.usage_defines["ALPHA_TEXTURE_COORDINATE"] = "@ALPHA_ANTIALIASING_EDGE"; + actions.usage_defines["SSS_STRENGTH"] = "#define ENABLE_SSS\n"; actions.usage_defines["SSS_TRANSMITTANCE_DEPTH"] = "#define ENABLE_TRANSMITTANCE\n"; actions.usage_defines["BACKLIGHT"] = "#define LIGHT_BACKLIGHT_USED\n"; diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h index 566022ae5b6e..db083a75ccdb 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h @@ -83,6 +83,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { BLEND_MODE_ADD, BLEND_MODE_SUB, BLEND_MODE_MUL, + BLEND_MODE_ALPHA_TO_COVERAGE }; enum DepthDraw { @@ -110,6 +111,12 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { }; + enum AlphaAntiAliasing { + ALPHA_ANTIALIASING_OFF, + ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE, + ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE + }; + bool valid; RID version; uint32_t vertex_input_mask; @@ -132,6 +139,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { bool uses_point_size; bool uses_alpha; bool uses_blend_alpha; + bool uses_alpha_clip; bool uses_depth_pre_pass; bool uses_discard; bool uses_roughness; diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl index 455a3d4a3a2c..da3c60af0484 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl @@ -361,6 +361,65 @@ layout(location = 0) out vec4 frag_color; #endif // RENDER DEPTH +#ifdef ALPHA_HASH_USED + +float hash_2d(vec2 p) { + return fract(1.0e4 * sin(17.0 * p.x + 0.1 * p.y) * + (0.1 + abs(sin(13.0 * p.y + p.x)))); +} + +float hash_3d(vec3 p) { + return hash_2d(vec2(hash_2d(p.xy), p.z)); +} + +float compute_alpha_hash_threshold(vec3 pos, float hash_scale) { + vec3 dx = dFdx(pos); + vec3 dy = dFdx(pos); + float delta_max_sqr = max(length(dx), length(dy)); + float pix_scale = 1.0 / (hash_scale * delta_max_sqr); + + vec2 pix_scales = + vec2(exp2(floor(log2(pix_scale))), exp2(ceil(log2(pix_scale)))); + + vec2 a_thresh = vec2(hash_3d(floor(pix_scales.x * pos.xyz)), + hash_3d(floor(pix_scales.y * pos.xyz))); + + float lerp_factor = fract(log2(pix_scale)); + + float a_interp = (1.0 - lerp_factor) * a_thresh.x + lerp_factor * a_thresh.y; + + float min_lerp = min(lerp_factor, 1.0 - lerp_factor); + + vec3 cases = vec3(a_interp * a_interp / (2.0 * min_lerp * (1.0 - min_lerp)), + (a_interp - 0.5 * min_lerp) / (1.0 - min_lerp), + 1.0 - ((1.0 - a_interp) * (1.0 - a_interp) / + (2.0 * min_lerp * (1.0 - min_lerp)))); + + float alpha_hash_threshold = + (lerp_factor < (1.0 - min_lerp)) ? ((lerp_factor < min_lerp) ? cases.x : cases.y) : cases.z; + + return clamp(alpha_hash_threshold, 0.0, 1.0); +} + +#endif // ALPHA_HASH_USED + +#ifdef ALPHA_ANTIALIASING_EDGE_USED + +float calc_mip_level(vec2 texture_coord) { + vec2 dx = dFdx(texture_coord); + vec2 dy = dFdy(texture_coord); + float delta_max_sqr = max(dot(dx, dx), dot(dy, dy)); + return max(0.0, 0.5 * log2(delta_max_sqr)); +} + +float compute_alpha_antialiasing_edge(float input_alpha, vec2 texture_coord, float alpha_edge) { + input_alpha *= 1.0 + max(0, calc_mip_level(texture_coord)) * 0.25; // 0.25 mip scale, magic number + input_alpha = (input_alpha - alpha_edge) / max(fwidth(input_alpha), 0.0001) + 0.5; + return clamp(input_alpha, 0.0, 1.0); +} + +#endif // ALPHA_ANTIALIASING_USED + // This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V. // We're dividing this factor off because the overall term we'll end up looks like // (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012): @@ -1709,10 +1768,6 @@ void main() { float alpha = 1.0; -#if defined(ALPHA_SCISSOR_USED) - float alpha_scissor = 0.5; -#endif - #if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) vec3 binormal = normalize(binormal_interp); vec3 tangent = normalize(tangent_interp); @@ -1749,6 +1804,19 @@ void main() { float sss_strength = 0.0; +#ifdef ALPHA_SCISSOR_USED + float alpha_scissor_threshold = 1.0; +#endif // ALPHA_SCISSOR_USED + +#ifdef ALPHA_HASH_USED + float alpha_hash_scale = 1.0; +#endif // ALPHA_HASH_USED + +#ifdef ALPHA_ANTIALIASING_EDGE_USED + float alpha_antialiasing_edge = 0.0; + vec2 alpha_texture_coordinate = vec2(0.0, 0.0); +#endif // ALPHA_ANTIALIASING_EDGE_USED + { /* clang-format off */ @@ -1757,7 +1825,7 @@ FRAGMENT_SHADER_CODE /* clang-format on */ } -#if defined(LIGHT_TRANSMITTANCE_USED) +#ifdef LIGHT_TRANSMITTANCE_USED #ifdef SSS_MODE_SKIN transmittance_color.a = sss_strength; #else @@ -1765,25 +1833,43 @@ FRAGMENT_SHADER_CODE #endif #endif -#if !defined(USE_SHADOW_TO_OPACITY) +#ifndef USE_SHADOW_TO_OPACITY -#if defined(ALPHA_SCISSOR_USED) - if (alpha < alpha_scissor) { +#ifdef ALPHA_SCISSOR_USED + if (alpha < alpha_scissor_threshold) { discard; } #endif // ALPHA_SCISSOR_USED -#ifdef USE_OPAQUE_PREPASS +// alpha hash can be used in unison with alpha antialiasing +#ifdef ALPHA_HASH_USED + if (alpha < compute_alpha_hash_threshold(vertex, alpha_hash_scale)) { + discard; + } +#endif // ALPHA_HASH_USED +// If we are not edge antialiasing, we need to remove the output alpha channel from scissor and hash +#if (defined(ALPHA_SCISSOR_USED) || defined(ALPHA_HASH_USED)) && !defined(ALPHA_ANTIALIASING_EDGE_USED) + alpha = 1.0; +#endif + +#ifdef ALPHA_ANTIALIASING_EDGE_USED +// If alpha scissor is used, we must further the edge threshold, otherwise we wont get any edge feather +#ifdef ALPHA_SCISSOR_USED + alpha_antialiasing_edge = clamp(alpha_scissor_threshold + alpha_antialiasing_edge, 0.0, 1.0); +#endif + alpha = compute_alpha_antialiasing_edge(alpha, alpha_texture_coordinate, alpha_antialiasing_edge); +#endif // ALPHA_ANTIALIASING_EDGE_USED + +#ifdef USE_OPAQUE_PREPASS if (alpha < opaque_prepass_threshold) { discard; } - #endif // USE_OPAQUE_PREPASS #endif // !USE_SHADOW_TO_OPACITY -#if defined(NORMALMAP_USED) +#ifdef NORMALMAP_USED normalmap.xy = normalmap.xy * 2.0 - 1.0; normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc. @@ -1792,7 +1878,7 @@ FRAGMENT_SHADER_CODE #endif -#if defined(LIGHT_ANISOTROPY_USED) +#ifdef LIGHT_ANISOTROPY_USED if (anisotropy > 0.01) { //rotation matrix diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp index 48eaf1dd13af..4d218077354a 100644 --- a/servers/rendering/shader_types.cpp +++ b/servers/rendering/shader_types.cpp @@ -134,6 +134,11 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["IRRADIANCE"] = ShaderLanguage::TYPE_VEC4; shader_modes[RS::SHADER_SPATIAL].functions["fragment"].can_discard = true; + shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_SCISSOR_THRESHOLD"] = ShaderLanguage::TYPE_FLOAT; + shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_HASH_SCALE"] = ShaderLanguage::TYPE_FLOAT; + shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_ANTIALIASING_EDGE"] = ShaderLanguage::TYPE_FLOAT; + shader_modes[RS::SHADER_SPATIAL].functions["fragment"].built_ins["ALPHA_TEXTURE_COORDINATE"] = ShaderLanguage::TYPE_VEC2; + shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["WORLD_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4); shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["INV_CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4); shader_modes[RS::SHADER_SPATIAL].functions["light"].built_ins["CAMERA_MATRIX"] = constt(ShaderLanguage::TYPE_MAT4); @@ -206,6 +211,9 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_SPATIAL].modes.push_back("vertex_lighting"); + shader_modes[RS::SHADER_SPATIAL].modes.push_back("alpha_to_coverage"); + shader_modes[RS::SHADER_SPATIAL].modes.push_back("alpha_to_coverage_and_one"); + /************ CANVAS ITEM **************************/ shader_modes[RS::SHADER_CANVAS_ITEM].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);