diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders')
7 files changed, 44 insertions, 32 deletions
diff --git a/servers/rendering/renderer_rd/shaders/gi.glsl b/servers/rendering/renderer_rd/shaders/gi.glsl index 60c881881d..5528ea3659 100644 --- a/servers/rendering/renderer_rd/shaders/gi.glsl +++ b/servers/rendering/renderer_rd/shaders/gi.glsl @@ -97,12 +97,10 @@ layout(push_constant, binding = 0, std430) uniform Params { vec4 proj_info; - vec3 ao_color; uint max_voxel_gi_instances; - bool high_quality_vct; bool orthogonal; - uint pad[2]; + uint pad; mat3x4 cam_rotation; } diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl index edbe1031b7..f0fb31a457 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl @@ -524,7 +524,7 @@ vec4 fog_process(vec3 vertex) { } } - float fog_amount = 1.0 - exp(min(0.0, vertex.z * scene_data.fog_density)); + float fog_amount = 1.0 - exp(min(0.0, -length(vertex) * scene_data.fog_density)); if (abs(scene_data.fog_height_density) > 0.001) { float y = (scene_data.camera_matrix * vec4(vertex, 1.0)).y; @@ -903,6 +903,7 @@ void main() { if (scene_data.use_reflection_cubemap) { vec3 ref_vec = reflect(-view, normal); + float horizon = min(1.0 + dot(ref_vec, normal), 1.0); ref_vec = scene_data.radiance_inverse_xform * ref_vec; #ifdef USE_RADIANCE_CUBEMAP_ARRAY @@ -915,7 +916,6 @@ void main() { specular_light = textureLod(samplerCube(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), ref_vec, roughness * MAX_ROUGHNESS_LOD).rgb; #endif //USE_RADIANCE_CUBEMAP_ARRAY - float horizon = min(1.0 + dot(ref_vec, normal), 1.0); specular_light *= horizon * horizon; specular_light *= scene_data.ambient_light_color_energy.a; } diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl index b53bf6a6d4..b943d81784 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered_inc.glsl @@ -209,8 +209,6 @@ layout(set = 1, binding = 0, std140) uniform SceneData { float roughness_limiter_limit; uvec2 roughness_limiter_pad; - vec4 ao_color; - mat4 sdf_to_bounds; ivec3 sdf_offset; diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl index f3db4abe3b..4d466342f8 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl @@ -97,6 +97,11 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte #endif inout vec3 diffuse_light, inout vec3 specular_light) { + vec4 orms_unpacked = unpackUnorm4x8(orms); + + float roughness = orms_unpacked.y; + float metallic = orms_unpacked.z; + #if defined(LIGHT_CODE_USED) // light is written by the light shader @@ -125,9 +130,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte float cLdotH = clamp(A + dot(L, H), 0.0, 1.0); #endif - float metallic = unpackUnorm4x8(orms).z; if (metallic < 1.0) { - float roughness = unpackUnorm4x8(orms).y; float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance #if defined(DIFFUSE_LAMBERT_WRAP) @@ -199,7 +202,6 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte #endif //LIGHT_TRANSMITTANCE_USED } - float roughness = unpackUnorm4x8(orms).y; if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely // D @@ -211,7 +213,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte float blinn = pow(cNdotH, shininess); blinn *= (shininess + 2.0) * (1.0 / (8.0 * M_PI)); - specular_light += light_color * attenuation * specular_amount * blinn * f0 * unpackUnorm4x8(orms).w; + specular_light += light_color * attenuation * specular_amount * blinn * f0 * orms_unpacked.w; #elif defined(SPECULAR_PHONG) @@ -221,7 +223,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte float phong = pow(cRdotV, shininess); phong *= (shininess + 1.0) * (1.0 / (8.0 * M_PI)); - specular_light += light_color * attenuation * specular_amount * phong * f0 * unpackUnorm4x8(orms).w; + specular_light += light_color * attenuation * specular_amount * phong * f0 * orms_unpacked.w; #elif defined(SPECULAR_TOON) diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl index 518b0a6c7f..750ec5f00a 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl @@ -550,7 +550,7 @@ vec4 fog_process(vec3 vertex) { } } - float fog_amount = 1.0 - exp(min(0.0, vertex.z * scene_data.fog_density)); + float fog_amount = 1.0 - exp(min(0.0, -length(vertex) * scene_data.fog_density)); if (abs(scene_data.fog_height_density) > 0.001) { float y = (scene_data.camera_matrix * vec4(vertex, 1.0)).y; @@ -868,6 +868,7 @@ void main() { if (scene_data.use_reflection_cubemap) { vec3 ref_vec = reflect(-view, normal); + float horizon = min(1.0 + dot(ref_vec, normal), 1.0); ref_vec = scene_data.radiance_inverse_xform * ref_vec; #ifdef USE_RADIANCE_CUBEMAP_ARRAY @@ -880,7 +881,6 @@ void main() { specular_light = textureLod(samplerCube(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), ref_vec, roughness * MAX_ROUGHNESS_LOD).rgb; #endif //USE_RADIANCE_CUBEMAP_ARRAY - float horizon = min(1.0 + dot(ref_vec, normal), 1.0); specular_light *= horizon * horizon; specular_light *= scene_data.ambient_light_color_energy.a; } diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl index dd8879acb4..eb8fb49598 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl @@ -170,8 +170,6 @@ layout(set = 1, binding = 0, std140) uniform SceneData { mediump float roughness_limiter_limit; uvec2 roughness_limiter_pad; - mediump vec4 ao_color; - bool fog_enabled; highp float fog_density; highp float fog_height; diff --git a/servers/rendering/renderer_rd/shaders/tonemap.glsl b/servers/rendering/renderer_rd/shaders/tonemap.glsl index 4411587116..1ce3e04421 100644 --- a/servers/rendering/renderer_rd/shaders/tonemap.glsl +++ b/servers/rendering/renderer_rd/shaders/tonemap.glsl @@ -169,16 +169,33 @@ vec3 tonemap_filmic(vec3 color, float white) { return color_tonemapped / white_tonemapped; } +// Adapted from https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl +// (MIT License). vec3 tonemap_aces(vec3 color, float white) { - const float exposure_bias = 0.85f; - const float A = 2.51f * exposure_bias * exposure_bias; - const float B = 0.03f * exposure_bias; - const float C = 2.43f * exposure_bias * exposure_bias; - const float D = 0.59f * exposure_bias; - const float E = 0.14f; - - vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E); - float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E); + const float exposure_bias = 1.8f; + const float A = 0.0245786f; + const float B = 0.000090537f; + const float C = 0.983729f; + const float D = 0.432951f; + const float E = 0.238081f; + + // Exposure bias baked into transform to save shader instructions. Equivalent to `color *= exposure_bias` + const mat3 rgb_to_rrt = mat3( + vec3(0.59719f * exposure_bias, 0.35458f * exposure_bias, 0.04823f * exposure_bias), + vec3(0.07600f * exposure_bias, 0.90834f * exposure_bias, 0.01566f * exposure_bias), + vec3(0.02840f * exposure_bias, 0.13383f * exposure_bias, 0.83777f * exposure_bias)); + + const mat3 odt_to_rgb = mat3( + vec3(1.60475f, -0.53108f, -0.07367f), + vec3(-0.10208f, 1.10813f, -0.00605f), + vec3(-0.00327f, -0.07276f, 1.07602f)); + + color *= rgb_to_rrt; + vec3 color_tonemapped = (color * (color + A) - B) / (color * (C * color + D) + E); + color_tonemapped *= odt_to_rgb; + + white *= exposure_bias; + float white_tonemapped = (white * (white + A) - B) / (white * (C * white + D) + E); return color_tonemapped / white_tonemapped; } @@ -200,15 +217,16 @@ vec3 linear_to_srgb(vec3 color) { #define TONEMAPPER_ACES 3 vec3 apply_tonemapping(vec3 color, float white) { // inputs are LINEAR, always outputs clamped [0;1] color - + // Ensure color values passed to tonemappers are positive. + // They can be negative in the case of negative lights, which leads to undesired behavior. if (params.tonemapper == TONEMAPPER_LINEAR) { return color; } else if (params.tonemapper == TONEMAPPER_REINHARD) { - return tonemap_reinhard(color, white); + return tonemap_reinhard(max(vec3(0.0f), color), white); } else if (params.tonemapper == TONEMAPPER_FILMIC) { - return tonemap_filmic(color, white); + return tonemap_filmic(max(vec3(0.0f), color), white); } else { // TONEMAPPER_ACES - return tonemap_aces(color, white); + return tonemap_aces(max(vec3(0.0f), color), white); } } @@ -401,9 +419,7 @@ void main() { color += screen_space_dither(gl_FragCoord.xy); } - // Ensure color values passed to tonemappers are positive. - // They can be negative in the case of negative lights, which leads to undesired behavior. - color = apply_tonemapping(max(vec3(0.0), color), params.white); + color = apply_tonemapping(color, params.white); color = linear_to_srgb(color); // regular linear -> SRGB conversion |