diff options
Diffstat (limited to 'drivers/gles3/shaders/scene.glsl')
-rw-r--r-- | drivers/gles3/shaders/scene.glsl | 213 |
1 files changed, 146 insertions, 67 deletions
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index fbea4bdbe4..1b922fa726 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -2,8 +2,11 @@ #[modes] mode_color = #define BASE_PASS +mode_color_instancing = #define BASE_PASS \n#define USE_INSTANCING mode_additive = #define USE_ADDITIVE_LIGHTING +mode_additive_instancing = #define USE_ADDITIVE_LIGHTING \n#define USE_INSTANCING mode_depth = #define MODE_RENDER_DEPTH +mode_depth_instancing = #define MODE_RENDER_DEPTH \n#define USE_INSTANCING #[specializations] @@ -13,6 +16,7 @@ DISABLE_LIGHT_OMNI = false DISABLE_LIGHT_SPOT = false DISABLE_FOG = false USE_RADIANCE_MAP = true +USE_MULTIVIEW = false #[vertex] @@ -32,8 +36,8 @@ USE_RADIANCE_MAP = true /* from RenderingServer: ARRAY_VERTEX = 0, // RG32F or RGB32F (depending on 2D bit) -ARRAY_NORMAL = 1, // A2B10G10R10, A is ignored. -ARRAY_TANGENT = 2, // A2B10G10R10, A flips sign of binormal. +ARRAY_NORMAL = 1, // RG16 octahedral compression +ARRAY_TANGENT = 2, // RG16 octahedral compression, sign stored in sign of G ARRAY_COLOR = 3, // RGBA8 ARRAY_TEX_UV = 4, // RG32F ARRAY_TEX_UV2 = 5, // RG32F @@ -43,8 +47,6 @@ ARRAY_CUSTOM2 = 8, ARRAY_CUSTOM3 = 9, ARRAY_BONES = 10, // RGBA16UI (x2 if 8 weights) ARRAY_WEIGHTS = 11, // RGBA16UNORM (x2 if 8 weights) -ARRAY_INDEX = 12, // 16 or 32 bits depending on length > 0xFFFF. -ARRAY_MAX = 13 */ /* INPUT ATTRIBS */ @@ -53,11 +55,11 @@ layout(location = 0) in highp vec3 vertex_attrib; /* clang-format on */ #ifdef NORMAL_USED -layout(location = 1) in vec3 normal_attrib; +layout(location = 1) in vec2 normal_attrib; #endif #if defined(TANGENT_USED) || defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED) -layout(location = 2) in vec4 tangent_attrib; +layout(location = 2) in vec2 tangent_attrib; #endif #if defined(COLOR_USED) @@ -96,8 +98,22 @@ layout(location = 10) in uvec4 bone_attrib; layout(location = 11) in vec4 weight_attrib; #endif -layout(std140) uniform GlobalVariableData { //ubo:1 - vec4 global_variables[MAX_GLOBAL_VARIABLES]; +vec3 oct_to_vec3(vec2 e) { + vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y)); + float t = max(-v.z, 0.0); + v.xy += t * -sign(v.xy); + return normalize(v); +} + +#ifdef USE_INSTANCING +layout(location = 12) in highp vec4 instance_xform0; +layout(location = 13) in highp vec4 instance_xform1; +layout(location = 14) in highp vec4 instance_xform2; +layout(location = 15) in highp uvec4 instance_color_custom_data; // Color packed into xy, Custom data into zw. +#endif + +layout(std140) uniform GlobalShaderUniformData { //ubo:1 + vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS]; }; layout(std140) uniform SceneData { // ubo:2 @@ -113,7 +129,7 @@ layout(std140) uniform SceneData { // ubo:2 mediump float ambient_color_sky_mix; bool material_uv2_mode; - float pad2; + float emissive_exposure_normalization; bool use_ambient_light; bool use_ambient_cubemap; bool use_reflection_cubemap; @@ -126,7 +142,7 @@ layout(std140) uniform SceneData { // ubo:2 uint directional_light_count; float z_far; float z_near; - float pad; + float IBL_exposure_normalization; bool fog_enabled; float fog_density; @@ -135,9 +151,22 @@ layout(std140) uniform SceneData { // ubo:2 vec3 fog_light_color; float fog_sun_scatter; + uint camera_visible_layers; + uint pad3; + uint pad4; + uint pad5; } scene_data; +#ifdef USE_MULTIVIEW +layout(std140) uniform MultiviewData { // ubo:8 + highp mat4 projection_matrix_view[MAX_VIEWS]; + highp mat4 inv_projection_matrix_view[MAX_VIEWS]; + highp vec4 eye_offset[MAX_VIEWS]; +} +multiview_data; +#endif + uniform highp mat4 world_transform; #ifdef USE_LIGHTMAP @@ -172,7 +201,7 @@ out vec3 tangent_interp; out vec3 binormal_interp; #endif -#if defined(MATERIAL_UNIFORMS_USED) +#ifdef MATERIAL_UNIFORMS_USED /* clang-format off */ layout(std140) uniform MaterialUniforms { // ubo:3 @@ -195,20 +224,29 @@ void main() { highp vec3 vertex = vertex_attrib; highp mat4 model_matrix = world_transform; +#ifdef USE_INSTANCING + highp mat4 m = mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)); + model_matrix = model_matrix * transpose(m); +#endif #ifdef NORMAL_USED - vec3 normal = normal_attrib * 2.0 - 1.0; + vec3 normal = oct_to_vec3(normal_attrib * 2.0 - 1.0); #endif highp mat3 model_normal_matrix = mat3(model_matrix); #if defined(TANGENT_USED) || defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED) - vec3 tangent = tangent_attrib.xyz * 2.0 - 1.0; - float binormalf = tangent_attrib.a * 2.0 - 1.0; + vec2 signed_tangent_attrib = tangent_attrib * 2.0 - 1.0; + vec3 tangent = oct_to_vec3(vec2(signed_tangent_attrib.x, abs(signed_tangent_attrib.y) * 2.0 - 1.0)); + float binormalf = sign(signed_tangent_attrib.y); vec3 binormal = normalize(cross(normal, tangent) * binormalf); #endif #if defined(COLOR_USED) color_interp = color_attrib; +#ifdef USE_INSTANCING + vec4 instance_color = vec4(unpackHalf2x16(instance_color_custom_data.x), unpackHalf2x16(instance_color_custom_data.y)); + color_interp *= instance_color; +#endif #endif #if defined(UV_USED) @@ -226,10 +264,20 @@ void main() { #if defined(OVERRIDE_POSITION) highp vec4 position; #endif - highp mat4 projection_matrix = scene_data.projection_matrix; - highp mat4 inv_projection_matrix = scene_data.inv_projection_matrix; +#ifdef USE_MULTIVIEW + mat4 projection_matrix = multiview_data.projection_matrix_view[ViewIndex]; + mat4 inv_projection_matrix = multiview_data.inv_projection_matrix_view[ViewIndex]; +#else + mat4 projection_matrix = scene_data.projection_matrix; + mat4 inv_projection_matrix = scene_data.inv_projection_matrix; +#endif //USE_MULTIVIEW + +#ifdef USE_INSTANCING + vec4 instance_custom = vec4(unpackHalf2x16(instance_color_custom_data.z), unpackHalf2x16(instance_color_custom_data.w)); +#else vec4 instance_custom = vec4(0.0); +#endif // Using world coordinates #if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) @@ -311,7 +359,6 @@ void main() { /* clang-format off */ #[fragment] - // Default to SPECULAR_SCHLICK_GGX. #if !defined(SPECULAR_DISABLED) && !defined(SPECULAR_SCHLICK_GGX) && !defined(SPECULAR_TOON) #define SPECULAR_SCHLICK_GGX @@ -323,7 +370,9 @@ void main() { #endif #endif +#ifndef MODE_RENDER_DEPTH #include "tonemap_inc.glsl" +#endif #include "stdlib_inc.glsl" /* texture unit usage, N is max_texture_unity-N @@ -379,13 +428,13 @@ uniform samplerCube radiance_map; // texunit:-2 #endif -layout(std140) uniform GlobalVariableData { //ubo:1 - vec4 global_variables[MAX_GLOBAL_VARIABLES]; +layout(std140) uniform GlobalShaderUniformData { //ubo:1 + vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS]; }; /* Material Uniforms */ -#if defined(MATERIAL_UNIFORMS_USED) +#ifdef MATERIAL_UNIFORMS_USED /* clang-format off */ layout(std140) uniform MaterialUniforms { // ubo:3 @@ -410,7 +459,7 @@ layout(std140) uniform SceneData { // ubo:2 mediump float ambient_color_sky_mix; bool material_uv2_mode; - float pad2; + float emissive_exposure_normalization; bool use_ambient_light; bool use_ambient_cubemap; bool use_reflection_cubemap; @@ -423,7 +472,7 @@ layout(std140) uniform SceneData { // ubo:2 uint directional_light_count; float z_far; float z_near; - float pad; + float IBL_exposure_normalization; bool fog_enabled; float fog_density; @@ -432,17 +481,29 @@ layout(std140) uniform SceneData { // ubo:2 vec3 fog_light_color; float fog_sun_scatter; + uint camera_visible_layers; + uint pad3; + uint pad4; + uint pad5; } scene_data; +#ifdef USE_MULTIVIEW +layout(std140) uniform MultiviewData { // ubo:8 + highp mat4 projection_matrix_view[MAX_VIEWS]; + highp mat4 inv_projection_matrix_view[MAX_VIEWS]; + highp vec4 eye_offset[MAX_VIEWS]; +} +multiview_data; +#endif + /* clang-format off */ #GLOBALS /* clang-format on */ -//directional light data - +// Directional light data. #ifndef DISABLE_LIGHT_DIRECTIONAL struct DirectionalLightData { @@ -458,11 +519,12 @@ layout(std140) uniform DirectionalLights { // ubo:7 DirectionalLightData directional_lights[MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS]; }; -#endif +#endif // !DISABLE_LIGHT_DIRECTIONAL -// omni and spot -#if !defined(DISABLE_LIGHT_OMNI) && !defined(DISABLE_LIGHT_SPOT) -struct LightData { //this structure needs to be as packed as possible +// Omni and spot light data. +#if !defined(DISABLE_LIGHT_OMNI) || !defined(DISABLE_LIGHT_SPOT) + +struct LightData { // This structure needs to be as packed as possible. highp vec3 position; highp float inv_radius; @@ -475,35 +537,38 @@ struct LightData { //this structure needs to be as packed as possible mediump float cone_attenuation; mediump float cone_angle; mediump float specular_amount; - bool shadow_enabled; + mediump float shadow_opacity; }; + #ifndef DISABLE_LIGHT_OMNI layout(std140) uniform OmniLightData { // ubo:5 - LightData omni_lights[MAX_LIGHT_DATA_STRUCTS]; }; uniform uint omni_light_indices[MAX_FORWARD_LIGHTS]; -uniform int omni_light_count; +uniform uint omni_light_count; #endif #ifndef DISABLE_LIGHT_SPOT - layout(std140) uniform SpotLightData { // ubo:6 - LightData spot_lights[MAX_LIGHT_DATA_STRUCTS]; }; uniform uint spot_light_indices[MAX_FORWARD_LIGHTS]; -uniform int spot_light_count; +uniform uint spot_light_count; #endif #ifdef USE_ADDITIVE_LIGHTING uniform highp samplerCubeShadow positional_shadow; // texunit:-4 #endif -#endif // !defined(DISABLE_LIGHT_OMNI) && !defined(DISABLE_LIGHT_SPOT) +#endif // !defined(DISABLE_LIGHT_OMNI) || !defined(DISABLE_LIGHT_SPOT) -uniform highp sampler2D screen_texture; // texunit:-5 +#ifdef USE_MULTIVIEW +uniform highp sampler2DArray depth_buffer; // texunit:-6 +uniform highp sampler2DArray screen_texture; // texunit:-5 +#else uniform highp sampler2D depth_buffer; // texunit:-6 +uniform highp sampler2D screen_texture; // texunit:-5 +#endif uniform highp mat4 world_transform; uniform mediump float opaque_prepass_threshold; @@ -518,6 +583,7 @@ vec3 F0(float metallic, float specular, vec3 albedo) { } #if !defined(DISABLE_LIGHT_DIRECTIONAL) || !defined(DISABLE_LIGHT_OMNI) || !defined(DISABLE_LIGHT_SPOT) + float D_GGX(float cos_theta_m, float alpha) { float a = cos_theta_m * alpha; float k = alpha / (1.0 - cos_theta_m * cos_theta_m + a * a); @@ -574,7 +640,6 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte /* clang-format off */ - #CODE : LIGHT /* clang-format on */ @@ -601,14 +666,12 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance #if defined(DIFFUSE_LAMBERT_WRAP) - // energy conserving lambert wrap shader - diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness))); + // Energy conserving lambert wrap shader. + // https://web.archive.org/web/20210228210901/http://blog.stevemcauley.com/2011/12/03/energy-conserving-wrapped-diffuse/ + diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness))) * (1.0 / M_PI); #elif defined(DIFFUSE_TOON) - - diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL); - + diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL) * (1.0 / M_PI); #elif defined(DIFFUSE_BURLEY) - { float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5; float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV); @@ -616,7 +679,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL; } #else - // lambert + // Lambert diffuse_brdf_NL = cNdotL * (1.0 / M_PI); #endif @@ -652,7 +715,6 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte // shlick+ggx as default float alpha_ggx = roughness * roughness; #if defined(LIGHT_ANISOTROPY_USED) - float aspect = sqrt(1.0 - anisotropy * 0.9); float ax = alpha_ggx / aspect; float ay = alpha_ggx * aspect; @@ -660,13 +722,16 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte float YdotH = dot(B, H); float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH); float G = V_GGX_anisotropic(ax, ay, dot(T, V), dot(T, L), dot(B, V), dot(B, L), cNdotV, cNdotL); -#else // LIGHT_ANISOTROPY_USED +#else float D = D_GGX(cNdotH, alpha_ggx); float G = V_GGX(cNdotL, cNdotV, alpha_ggx); #endif // LIGHT_ANISOTROPY_USED // F float cLdotH5 = SchlickFresnel(cLdotH); - vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0); + // Calculate Fresnel using cheap approximate specular occlusion term from Filament: + // https://google.github.io/filament/Filament.html#lighting/occlusion/specularocclusion + float f90 = clamp(50.0 * f0.g, 0.0, 1.0); + vec3 F = f0 + (f90 - f0) * cLdotH5; vec3 specular_brdf_NL = cNdotL * D * F * G; @@ -697,10 +762,10 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte alpha = min(alpha, clamp(1.0 - attenuation, 0.0, 1.0)); #endif -#endif //defined(LIGHT_CODE_USED) +#endif // LIGHT_CODE_USED } -float get_omni_attenuation(float distance, float inv_range, float decay) { +float get_omni_spot_attenuation(float distance, float inv_range, float decay) { float nd = distance * inv_range; nd *= nd; nd *= nd; // nd^4 @@ -709,6 +774,7 @@ float get_omni_attenuation(float distance, float inv_range, float decay) { return nd * pow(max(distance, 0.0001), -decay); } +#ifndef DISABLE_LIGHT_OMNI void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f0, float roughness, float metallic, float shadow, vec3 albedo, inout float alpha, #ifdef LIGHT_BACKLIGHT_USED vec3 backlight, @@ -725,13 +791,13 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f inout vec3 diffuse_light, inout vec3 specular_light) { vec3 light_rel_vec = omni_lights[idx].position - vertex; float light_length = length(light_rel_vec); - float omni_attenuation = get_omni_attenuation(light_length, omni_lights[idx].inv_radius, omni_lights[idx].attenuation); + float omni_attenuation = get_omni_spot_attenuation(light_length, omni_lights[idx].inv_radius, omni_lights[idx].attenuation); vec3 color = omni_lights[idx].color; float size_A = 0.0; if (omni_lights[idx].size > 0.0) { float t = omni_lights[idx].size / max(0.001, light_length); - size_A = max(0.0, 1.0 - 1 / sqrt(1 + t * t)); + size_A = max(0.0, 1.0 - 1.0 / sqrt(1.0 + t * t)); } light_compute(normal, normalize(light_rel_vec), eye_vec, size_A, color, omni_attenuation, f0, roughness, metallic, omni_lights[idx].specular_amount, albedo, alpha, @@ -750,7 +816,9 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f diffuse_light, specular_light); } +#endif // !DISABLE_LIGHT_OMNI +#ifndef DISABLE_LIGHT_SPOT void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f0, float roughness, float metallic, float shadow, vec3 albedo, inout float alpha, #ifdef LIGHT_BACKLIGHT_USED vec3 backlight, @@ -769,7 +837,7 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f vec3 light_rel_vec = spot_lights[idx].position - vertex; float light_length = length(light_rel_vec); - float spot_attenuation = get_omni_attenuation(light_length, spot_lights[idx].inv_radius, spot_lights[idx].attenuation); + float spot_attenuation = get_omni_spot_attenuation(light_length, spot_lights[idx].inv_radius, spot_lights[idx].attenuation); vec3 spot_dir = spot_lights[idx].direction; float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_lights[idx].cone_angle); float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_lights[idx].cone_angle)); @@ -780,7 +848,7 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f if (spot_lights[idx].size > 0.0) { float t = spot_lights[idx].size / max(0.001, light_length); - size_A = max(0.0, 1.0 - 1 / sqrt(1 + t * t)); + size_A = max(0.0, 1.0 - 1.0 / sqrt(1.0 + t * t)); } light_compute(normal, normalize(light_rel_vec), eye_vec, size_A, color, spot_attenuation, f0, roughness, metallic, spot_lights[idx].specular_amount, albedo, alpha, @@ -798,7 +866,9 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 f #endif diffuse_light, specular_light); } -#endif // !defined(DISABLE_LIGHT_DIRECTIONAL) || !defined(DISABLE_LIGHT_OMNI) && !defined(DISABLE_LIGHT_SPOT) +#endif // !DISABLE_LIGHT_SPOT + +#endif // !defined(DISABLE_LIGHT_DIRECTIONAL) || !defined(DISABLE_LIGHT_OMNI) || !defined(DISABLE_LIGHT_SPOT) #ifndef MODE_RENDER_DEPTH vec4 fog_process(vec3 vertex) { @@ -852,7 +922,12 @@ vec4 fog_process(vec3 vertex) { void main() { //lay out everything, whatever is unused is optimized away anyway vec3 vertex = vertex_interp; +#ifdef USE_MULTIVIEW + vec3 view = -normalize(vertex_interp - multiview_data.eye_offset[ViewIndex].xyz); +#else vec3 view = -normalize(vertex_interp); +#endif + highp mat4 model_matrix = world_transform; vec3 albedo = vec3(1.0); vec3 backlight = vec3(0.0); vec4 transmittance_color = vec4(0.0, 0.0, 0.0, 1.0); @@ -991,15 +1066,11 @@ void main() { fog = fog_process(vertex); } #endif // !DISABLE_FOG -#endif //!CUSTOM_FOG_USED +#endif // !CUSTOM_FOG_USED uint fog_rg = packHalf2x16(fog.rg); uint fog_ba = packHalf2x16(fog.ba); -#endif //!MODE_RENDER_DEPTH - -#ifndef MODE_RENDER_DEPTH - // Convert colors to linear albedo = srgb_to_linear(albedo); emission = srgb_to_linear(emission); @@ -1029,9 +1100,10 @@ void main() { #else vec3 ref_vec = reflect(-view, normal); #endif + ref_vec = mix(ref_vec, normal, roughness * roughness); float horizon = min(1.0 + dot(ref_vec, normal), 1.0); ref_vec = scene_data.radiance_inverse_xform * ref_vec; - specular_light = textureLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).rgb; + specular_light = textureLod(radiance_map, ref_vec, sqrt(roughness) * RADIANCE_MAX_LOD).rgb; specular_light = srgb_to_linear(specular_light); specular_light *= horizon * horizon; specular_light *= scene_data.ambient_light_color_energy.a; @@ -1063,9 +1135,15 @@ void main() { #if defined(CUSTOM_IRRADIANCE_USED) ambient_light = mix(ambient_light, custom_irradiance.rgb, custom_irradiance.a); #endif // CUSTOM_IRRADIANCE_USED - ambient_light *= albedo.rgb; - ambient_light *= ao; + { +#if defined(AMBIENT_LIGHT_DISABLED) + ambient_light = vec3(0.0, 0.0, 0.0); +#else + ambient_light *= albedo.rgb; + ambient_light *= ao; +#endif // AMBIENT_LIGHT_DISABLED + } // convert ao to direct light ao ao = mix(1.0, ao, ao_light_affect); @@ -1087,7 +1165,7 @@ void main() { float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y; vec2 env = vec2(-1.04, 1.04) * a004 + r.zw; - specular_light *= env.x * f0 + env.y; + specular_light *= env.x * f0 + env.y * clamp(50.0 * f0.g, metallic, 1.0); #endif } @@ -1113,10 +1191,10 @@ void main() { diffuse_light, specular_light); } -#endif //!DISABLE_LIGHT_DIRECTIONAL +#endif // !DISABLE_LIGHT_DIRECTIONAL #ifndef DISABLE_LIGHT_OMNI - for (int i = 0; i < MAX_FORWARD_LIGHTS; i++) { + for (uint i = 0u; i < MAX_FORWARD_LIGHTS; i++) { if (i >= omni_light_count) { break; } @@ -1139,7 +1217,7 @@ void main() { #endif // !DISABLE_LIGHT_OMNI #ifndef DISABLE_LIGHT_SPOT - for (int i = 0; i < MAX_FORWARD_LIGHTS; i++) { + for (uint i = 0u; i < MAX_FORWARD_LIGHTS; i++) { if (i >= spot_light_count) { break; } @@ -1160,9 +1238,10 @@ void main() { #endif diffuse_light, specular_light); } - #endif // !DISABLE_LIGHT_SPOT + #endif // !MODE_UNSHADED + #endif // !MODE_RENDER_DEPTH #if defined(USE_SHADOW_TO_OPACITY) |