diff options
| -rw-r--r-- | drivers/gles2/shader_compiler_gles2.cpp | 1 | ||||
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 50 | ||||
| -rw-r--r-- | drivers/gles3/shader_compiler_gles3.cpp | 1 | ||||
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 59 | ||||
| -rw-r--r-- | scene/resources/material.cpp | 9 | ||||
| -rw-r--r-- | scene/resources/material.h | 1 | ||||
| -rw-r--r-- | servers/visual/shader_types.cpp | 2 |
7 files changed, 94 insertions, 29 deletions
diff --git a/drivers/gles2/shader_compiler_gles2.cpp b/drivers/gles2/shader_compiler_gles2.cpp index d00b03fb8a..6ba4004f20 100644 --- a/drivers/gles2/shader_compiler_gles2.cpp +++ b/drivers/gles2/shader_compiler_gles2.cpp @@ -934,6 +934,7 @@ ShaderCompilerGLES2::ShaderCompilerGLES2() { actions[VS::SHADER_SPATIAL].render_mode_defines["specular_disabled"] = "#define SPECULAR_DISABLED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["shadows_disabled"] = "#define SHADOWS_DISABLED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["ambient_light_disabled"] = "#define AMBIENT_LIGHT_DISABLED\n"; + actions[VS::SHADER_SPATIAL].render_mode_defines["shadow_to_opacity"] = "#define USE_SHADOW_TO_OPACITY\n"; // No defines for particle shaders in GLES2, there are no GPU particles diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index 0fa290e57c..ac5af31153 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -1151,7 +1151,8 @@ void light_compute( float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, - inout vec3 specular_light) { + inout vec3 specular_light, + inout float alpha) { //this makes lights behave closer to linear, but then addition of lights looks bad //better left disabled @@ -1306,10 +1307,10 @@ LIGHT_SHADER_CODE // shlick+ggx as default #if defined(LIGHT_USE_ANISOTROPY) - float alpha = roughness * roughness; + float alpha_ggx = roughness * roughness; float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha / aspect; - float ay = alpha * aspect; + float ax = alpha_ggx / aspect; + float ay = alpha_ggx * aspect; float XdotH = dot(T, H); float YdotH = dot(B, H); float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH, cNdotH); @@ -1317,10 +1318,10 @@ LIGHT_SHADER_CODE float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL); #else - float alpha = roughness * roughness; - float D = D_GGX(cNdotH, alpha); - //float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha); - float G = V_GGX(cNdotL, cNdotV, alpha); + float alpha_ggx = roughness * roughness; + float D = D_GGX(cNdotH, alpha_ggx); + //float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx); + float G = V_GGX(cNdotL, cNdotV, alpha_ggx); #endif // F vec3 f0 = F0(metallic, specular, diffuse_color); @@ -1350,6 +1351,10 @@ LIGHT_SHADER_CODE #endif } +#ifdef USE_SHADOW_TO_OPACITY + alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); +#endif + #endif //defined(USE_LIGHT_SHADER_CODE) } @@ -1535,17 +1540,21 @@ FRAGMENT_SHADER_CODE vec3 eye_position = view; +#if !defined(USE_SHADOW_TO_OPACITY) + #if defined(ALPHA_SCISSOR_USED) if (alpha < alpha_scissor) { discard; } -#endif +#endif // ALPHA_SCISSOR_USED #ifdef USE_DEPTH_PREPASS if (alpha < 0.99) { discard; } -#endif +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY #ifdef BASE_PASS //none @@ -2061,13 +2070,32 @@ FRAGMENT_SHADER_CODE clearcoat_gloss, anisotropy, diffuse_light, - specular_light); + specular_light, + alpha); #endif //vertex lighting #endif //USE_LIGHTING //compute and merge +#ifdef USE_SHADOW_TO_OPACITY + + alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0)); + +#if defined(ALPHA_SCISSOR_USED) + if (alpha < alpha_scissor) { + discard; + } +#endif // ALPHA_SCISSOR_USED + +#ifdef USE_DEPTH_PREPASS + if (alpha < 0.99) { + discard; + } +#endif // USE_DEPTH_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY + #ifndef RENDER_DEPTH #ifdef SHADELESS diff --git a/drivers/gles3/shader_compiler_gles3.cpp b/drivers/gles3/shader_compiler_gles3.cpp index ad26294527..e8417900ea 100644 --- a/drivers/gles3/shader_compiler_gles3.cpp +++ b/drivers/gles3/shader_compiler_gles3.cpp @@ -944,6 +944,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() { actions[VS::SHADER_SPATIAL].render_mode_defines["specular_disabled"] = "#define SPECULAR_DISABLED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["shadows_disabled"] = "#define SHADOWS_DISABLED\n"; actions[VS::SHADER_SPATIAL].render_mode_defines["ambient_light_disabled"] = "#define AMBIENT_LIGHT_DISABLED\n"; + actions[VS::SHADER_SPATIAL].render_mode_defines["shadow_to_opacity"] = "#define USE_SHADOW_TO_OPACITY\n"; /* PARTICLES SHADER */ diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index def924cd49..844028607d 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -993,7 +993,7 @@ vec3 F0(float metallic, float specular, vec3 albedo) { return mix(vec3(dielectric), albedo, vec3(metallic)); } -void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light) { +void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) { #if defined(USE_LIGHT_SHADER_CODE) // light is written by the light shader @@ -1135,19 +1135,19 @@ LIGHT_SHADER_CODE #if defined(LIGHT_USE_ANISOTROPY) - float alpha = roughness * roughness; + float alpha_ggx = roughness * roughness; float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha / aspect; - float ay = alpha * aspect; + float ax = alpha_ggx / aspect; + float ay = alpha_ggx * aspect; float XdotH = dot(T, H); float YdotH = dot(B, H); float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH); float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH); #else - float alpha = roughness * roughness; - float D = D_GGX(cNdotH, alpha); - float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha); + float alpha_ggx = roughness * roughness; + float D = D_GGX(cNdotH, alpha_ggx); + float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx); #endif // F vec3 f0 = F0(metallic, specular, diffuse_color); @@ -1174,6 +1174,10 @@ LIGHT_SHADER_CODE #endif } +#ifdef USE_SHADOW_TO_OPACITY + alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); +#endif + #endif //defined(USE_LIGHT_SHADER_CODE) } @@ -1250,7 +1254,7 @@ vec3 light_transmittance(float translucency,vec3 light_vec, vec3 normal, vec3 po } #endif -void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light) { +void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) { vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex; float light_length = length(light_rel_vec); @@ -1304,10 +1308,10 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow); } #endif //SHADOWS_DISABLED - light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light); + light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha); } -void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light) { +void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) { vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex; float light_length = length(light_rel_vec); @@ -1339,7 +1343,7 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi } #endif //SHADOWS_DISABLED - light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light); + light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha); } void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) { @@ -1705,11 +1709,13 @@ FRAGMENT_SHADER_CODE /* clang-format on */ } +#if !defined(USE_SHADOW_TO_OPACITY) + #if defined(ALPHA_SCISSOR_USED) if (alpha < alpha_scissor) { discard; } -#endif +#endif // ALPHA_SCISSOR_USED #ifdef USE_OPAQUE_PREPASS @@ -1717,7 +1723,9 @@ FRAGMENT_SHADER_CODE discard; } -#endif +#endif // USE_OPAQUE_PREPASS + +#endif // !USE_SHADOW_TO_OPACITY #if defined(ENABLE_NORMALMAP) @@ -1970,7 +1978,7 @@ FRAGMENT_SHADER_CODE specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a); #else - light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light); + light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha); #endif #endif //#USE_LIGHT_DIRECTIONAL @@ -2044,17 +2052,36 @@ FRAGMENT_SHADER_CODE #else for (int i = 0; i < omni_light_count; i++) { - light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light); + light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha); } for (int i = 0; i < spot_light_count; i++) { - light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light); + light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha); } #endif //USE_VERTEX_LIGHTING #endif +#ifdef USE_SHADOW_TO_OPACITY + alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0)); + +#if defined(ALPHA_SCISSOR_USED) + if (alpha < alpha_scissor) { + discard; + } +#endif // ALPHA_SCISSOR_USED + +#ifdef USE_OPAQUE_PREPASS + + if (alpha < opaque_prepass_threshold) { + discard; + } + +#endif // USE_OPAQUE_PREPASS + +#endif // USE_SHADOW_TO_OPACITY + #ifdef RENDER_DEPTH //nothing happens, so a tree-ssa optimizer will result in no fragment shader :) #else diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp index 766c7bbd9f..2e035bbd1f 100644 --- a/scene/resources/material.cpp +++ b/scene/resources/material.cpp @@ -468,6 +468,9 @@ void SpatialMaterial::_update_shader() { if (flags[FLAG_ENSURE_CORRECT_NORMALS]) { code += ",ensure_correct_normals"; } + if (flags[FLAG_USE_SHADOW_TO_OPACITY]) { + code += ",shadow_to_opacity"; + } code += ";\n"; code += "uniform vec4 albedo : hint_color;\n"; @@ -849,7 +852,7 @@ void SpatialMaterial::_update_shader() { code += "\tALBEDO *= 1.0 - ref_amount;\n"; code += "\tALPHA = 1.0;\n"; - } else if (features[FEATURE_TRANSPARENT] || flags[FLAG_USE_ALPHA_SCISSOR] || (distance_fade == DISTANCE_FADE_PIXEL_ALPHA) || proximity_fade_enabled) { + } else if (features[FEATURE_TRANSPARENT] || flags[FLAG_USE_ALPHA_SCISSOR] || flags[FLAG_USE_SHADOW_TO_OPACITY] || (distance_fade == DISTANCE_FADE_PIXEL_ALPHA) || proximity_fade_enabled) { code += "\tALPHA = albedo.a * albedo_tex.a;\n"; } @@ -1349,7 +1352,7 @@ void SpatialMaterial::set_flag(Flags p_flag, bool p_enabled) { return; flags[p_flag] = p_enabled; - if (p_flag == FLAG_USE_ALPHA_SCISSOR || p_flag == FLAG_UNSHADED) { + if ((p_flag == FLAG_USE_ALPHA_SCISSOR) || (p_flag == FLAG_UNSHADED) || (p_flag == FLAG_USE_SHADOW_TO_OPACITY)) { _change_notify(); } _queue_shader_change(); @@ -2060,6 +2063,7 @@ void SpatialMaterial::_bind_methods() { ADD_GROUP("Flags", "flags_"); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_transparent"), "set_feature", "get_feature", FEATURE_TRANSPARENT); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_use_shadow_to_opacity"), "set_flag", "get_flag", FLAG_USE_SHADOW_TO_OPACITY); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_unshaded"), "set_flag", "get_flag", FLAG_UNSHADED); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_vertex_lighting"), "set_flag", "get_flag", FLAG_USE_VERTEX_LIGHTING); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_no_depth_test"), "set_flag", "get_flag", FLAG_DISABLE_DEPTH_TEST); @@ -2266,6 +2270,7 @@ void SpatialMaterial::_bind_methods() { BIND_ENUM_CONSTANT(FLAG_DONT_RECEIVE_SHADOWS); BIND_ENUM_CONSTANT(FLAG_DISABLE_AMBIENT_LIGHT); BIND_ENUM_CONSTANT(FLAG_ENSURE_CORRECT_NORMALS); + BIND_ENUM_CONSTANT(FLAG_USE_SHADOW_TO_OPACITY); BIND_ENUM_CONSTANT(FLAG_MAX); BIND_ENUM_CONSTANT(DIFFUSE_BURLEY); diff --git a/scene/resources/material.h b/scene/resources/material.h index 1f7fc267af..29b45f769b 100644 --- a/scene/resources/material.h +++ b/scene/resources/material.h @@ -196,6 +196,7 @@ public: FLAG_DONT_RECEIVE_SHADOWS, FLAG_ENSURE_CORRECT_NORMALS, FLAG_DISABLE_AMBIENT_LIGHT, + FLAG_USE_SHADOW_TO_OPACITY, FLAG_MAX }; diff --git a/servers/visual/shader_types.cpp b/servers/visual/shader_types.cpp index 8fd5dfc738..bc6010117c 100644 --- a/servers/visual/shader_types.cpp +++ b/servers/visual/shader_types.cpp @@ -147,6 +147,7 @@ ShaderTypes::ShaderTypes() { shader_modes[VS::SHADER_SPATIAL].functions["light"].built_ins["DIFFUSE_LIGHT"] = ShaderLanguage::TYPE_VEC3; shader_modes[VS::SHADER_SPATIAL].functions["light"].built_ins["SPECULAR_LIGHT"] = ShaderLanguage::TYPE_VEC3; shader_modes[VS::SHADER_SPATIAL].functions["light"].built_ins["OUTPUT_IS_SRGB"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[VS::SHADER_SPATIAL].functions["light"].built_ins["ALPHA"] = ShaderLanguage::TYPE_FLOAT; shader_modes[VS::SHADER_SPATIAL].functions["light"].can_discard = true; @@ -187,6 +188,7 @@ ShaderTypes::ShaderTypes() { shader_modes[VS::SHADER_SPATIAL].modes.push_back("shadows_disabled"); shader_modes[VS::SHADER_SPATIAL].modes.push_back("ambient_light_disabled"); + shader_modes[VS::SHADER_SPATIAL].modes.push_back("shadow_to_opacity"); shader_modes[VS::SHADER_SPATIAL].modes.push_back("vertex_lighting"); |