diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders')
15 files changed, 258 insertions, 206 deletions
diff --git a/servers/rendering/renderer_rd/shaders/blur_raster.glsl b/servers/rendering/renderer_rd/shaders/blur_raster.glsl index 0789a4b396..f8b4e3f610 100644 --- a/servers/rendering/renderer_rd/shaders/blur_raster.glsl +++ b/servers/rendering/renderer_rd/shaders/blur_raster.glsl @@ -38,6 +38,8 @@ layout(set = 1, binding = 0) uniform sampler2D source_auto_exposure; layout(location = 0) out vec4 frag_color; void main() { + // We do not apply our color scale for our mobile renderer here, we'll leave our colors at half brightness and apply scale in the tonemap raster. + #ifdef MODE_MIPMAP vec2 pix_size = blur.pixel_size; diff --git a/servers/rendering/renderer_rd/shaders/bokeh_dof_raster.glsl b/servers/rendering/renderer_rd/shaders/bokeh_dof_raster.glsl index 43a2a29616..a3b3938ee9 100644 --- a/servers/rendering/renderer_rd/shaders/bokeh_dof_raster.glsl +++ b/servers/rendering/renderer_rd/shaders/bokeh_dof_raster.glsl @@ -47,7 +47,7 @@ layout(set = 2, binding = 0) uniform sampler2D original_weight; #endif //DOF -// Bokeh single pass implementation based on http://tuxedolabs.blogspot.com/2018/05/bokeh-depth-of-field-in-single-pass.html +// Bokeh single pass implementation based on https://tuxedolabs.blogspot.com/2018/05/bokeh-depth-of-field-in-single-pass.html #ifdef MODE_GEN_BLUR_SIZE diff --git a/servers/rendering/renderer_rd/shaders/cluster_render.glsl b/servers/rendering/renderer_rd/shaders/cluster_render.glsl index da7d189281..6d95722a57 100644 --- a/servers/rendering/renderer_rd/shaders/cluster_render.glsl +++ b/servers/rendering/renderer_rd/shaders/cluster_render.glsl @@ -117,7 +117,7 @@ void main() { uint cluster_thread_group_index; if (!gl_HelperInvocation) { - //http://advances.realtimerendering.com/s2017/2017_Sig_Improved_Culling_final.pdf + //https://advances.realtimerendering.com/s2017/2017_Sig_Improved_Culling_final.pdf uvec4 mask; diff --git a/servers/rendering/renderer_rd/shaders/cube_to_dp.glsl b/servers/rendering/renderer_rd/shaders/cube_to_dp.glsl index dfbce29119..69b895ed29 100644 --- a/servers/rendering/renderer_rd/shaders/cube_to_dp.glsl +++ b/servers/rendering/renderer_rd/shaders/cube_to_dp.glsl @@ -7,8 +7,7 @@ layout(push_constant, binding = 1, std430) uniform Params { float z_far; float z_near; - bool z_flip; - uint pad; + vec2 texel_size; vec4 screen_rect; } params; @@ -35,22 +34,23 @@ layout(set = 0, binding = 0) uniform samplerCube source_cube; layout(push_constant, binding = 1, std430) uniform Params { float z_far; float z_near; - bool z_flip; - uint pad; + vec2 texel_size; vec4 screen_rect; } params; void main() { vec2 uv = uv_interp; + vec2 texel_size = abs(params.texel_size); - vec3 normal = vec3(uv * 2.0 - 1.0, 0.0); + uv = clamp(uv * (1.0 + 2.0 * texel_size) - texel_size, vec2(0.0), vec2(1.0)); - normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y)); + vec3 normal = vec3(uv * 2.0 - 1.0, 0.0); + normal.z = 0.5 * (1.0 - dot(normal.xy, normal.xy)); // z = 1/2 - 1/2 * (x^2 + y^2) normal = normalize(normal); normal.y = -normal.y; //needs to be flipped to match projection matrix - if (!params.z_flip) { + if (params.texel_size.x >= 0.0) { // Sign is used to encode Z flip normal.z = -normal.z; } diff --git a/servers/rendering/renderer_rd/shaders/cubemap_roughness_inc.glsl b/servers/rendering/renderer_rd/shaders/cubemap_roughness_inc.glsl index 80c0ac4fb4..be12be5dec 100644 --- a/servers/rendering/renderer_rd/shaders/cubemap_roughness_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/cubemap_roughness_inc.glsl @@ -69,13 +69,13 @@ vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) { return TangentX * H.x + TangentY * H.y + N * H.z; } -// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html +// https://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html float GGX(float NdotV, float a) { float k = a / 2.0; return NdotV / (NdotV * (1.0 - k) + k); } -// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html +// https://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html float G_Smith(float a, float nDotV, float nDotL) { return GGX(nDotL, a * a) * GGX(nDotV, a * a); } diff --git a/servers/rendering/renderer_rd/shaders/decal_data_inc.glsl b/servers/rendering/renderer_rd/shaders/decal_data_inc.glsl index ccaad13311..158096d3c7 100644 --- a/servers/rendering/renderer_rd/shaders/decal_data_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/decal_data_inc.glsl @@ -1,18 +1,18 @@ struct DecalData { - mat4 xform; //to decal transform - vec3 inv_extents; - float albedo_mix; - vec4 albedo_rect; - vec4 normal_rect; - vec4 orm_rect; - vec4 emission_rect; - vec4 modulate; - float emission_energy; + highp mat4 xform; //to decal transform + highp vec3 inv_extents; + mediump float albedo_mix; + highp vec4 albedo_rect; + highp vec4 normal_rect; + highp vec4 orm_rect; + highp vec4 emission_rect; + highp vec4 modulate; + mediump float emission_energy; uint mask; - float upper_fade; - float lower_fade; - mat3x4 normal_xform; - vec3 normal; - float normal_fade; + mediump float upper_fade; + mediump float lower_fade; + mediump mat3x4 normal_xform; + mediump vec3 normal; + mediump float normal_fade; }; diff --git a/servers/rendering/renderer_rd/shaders/light_data_inc.glsl b/servers/rendering/renderer_rd/shaders/light_data_inc.glsl index 9155216d7e..fdc7729338 100644 --- a/servers/rendering/renderer_rd/shaders/light_data_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/light_data_inc.glsl @@ -4,28 +4,28 @@ struct LightData { //this structure needs to be as packed as possible highp vec3 position; - float inv_radius; + highp float inv_radius; - vec3 direction; - float size; + mediump vec3 direction; + highp float size; - vec3 color; - float attenuation; + mediump vec3 color; + mediump float attenuation; - float cone_attenuation; - float cone_angle; - float specular_amount; + mediump float cone_attenuation; + mediump float cone_angle; + mediump float specular_amount; bool shadow_enabled; highp vec4 atlas_rect; // rect in the shadow atlas highp mat4 shadow_matrix; - float shadow_bias; - float shadow_normal_bias; - float transmittance_bias; - float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle - float soft_shadow_scale; // scales the shadow kernel for blurrier shadows + highp float shadow_bias; + highp float shadow_normal_bias; + highp float transmittance_bias; + highp float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle + highp float soft_shadow_scale; // scales the shadow kernel for blurrier shadows uint mask; - float shadow_volumetric_fog_fade; + mediump float shadow_volumetric_fog_fade; uint bake_mode; highp vec4 projector_rect; //projector rect in srgb decal atlas }; @@ -35,53 +35,53 @@ struct LightData { //this structure needs to be as packed as possible #define REFLECTION_AMBIENT_COLOR 2 struct ReflectionData { - vec3 box_extents; - float index; - vec3 box_offset; + highp vec3 box_extents; + mediump float index; + highp vec3 box_offset; uint mask; - vec3 ambient; // ambient color - float intensity; + mediump vec3 ambient; // ambient color + mediump float intensity; bool exterior; bool box_project; uint ambient_mode; uint pad; //0-8 is intensity,8-9 is ambient, mode - mat4 local_matrix; // up to here for spot and omni, rest is for directional + highp mat4 local_matrix; // up to here for spot and omni, rest is for directional // notes: for ambientblend, use distance to edge to blend between already existing global environment }; struct DirectionalLightData { - vec3 direction; - float energy; - vec3 color; - float size; - float specular; + mediump vec3 direction; + mediump float energy; + mediump vec3 color; + mediump float size; + mediump float specular; uint mask; - float softshadow_angle; - float soft_shadow_scale; + highp float softshadow_angle; + highp float soft_shadow_scale; bool blend_splits; bool shadow_enabled; - float fade_from; - float fade_to; + highp float fade_from; + highp float fade_to; uvec2 pad; uint bake_mode; - float shadow_volumetric_fog_fade; - vec4 shadow_bias; - vec4 shadow_normal_bias; - vec4 shadow_transmittance_bias; + mediump float shadow_volumetric_fog_fade; + highp vec4 shadow_bias; + highp vec4 shadow_normal_bias; + highp vec4 shadow_transmittance_bias; highp vec4 shadow_z_range; highp vec4 shadow_range_begin; - vec4 shadow_split_offsets; + highp vec4 shadow_split_offsets; highp mat4 shadow_matrix1; highp mat4 shadow_matrix2; highp mat4 shadow_matrix3; highp mat4 shadow_matrix4; - vec4 shadow_color1; - vec4 shadow_color2; - vec4 shadow_color3; - vec4 shadow_color4; - vec2 uv_scale1; - vec2 uv_scale2; - vec2 uv_scale3; - vec2 uv_scale4; + mediump vec4 shadow_color1; + mediump vec4 shadow_color2; + mediump vec4 shadow_color3; + mediump vec4 shadow_color4; + highp vec2 uv_scale1; + highp vec2 uv_scale2; + highp vec2 uv_scale3; + highp vec2 uv_scale4; }; diff --git a/servers/rendering/renderer_rd/shaders/luminance_reduce_raster_inc.glsl b/servers/rendering/renderer_rd/shaders/luminance_reduce_raster_inc.glsl index ed389ffe56..3cde9923fa 100644 --- a/servers/rendering/renderer_rd/shaders/luminance_reduce_raster_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/luminance_reduce_raster_inc.glsl @@ -6,6 +6,6 @@ layout(push_constant, binding = 1, std430) uniform PushConstant { float exposure_adjust; float min_luminance; float max_luminance; - float pad; + uint pad1; } settings; diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl index 4f140dd10d..edbe1031b7 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl @@ -118,7 +118,7 @@ void main() { mat3 world_normal_matrix; if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_NON_UNIFORM_SCALE)) { - world_normal_matrix = inverse(mat3(world_matrix)); + world_normal_matrix = transpose(inverse(mat3(world_matrix))); } else { world_normal_matrix = mat3(world_matrix); } @@ -374,6 +374,9 @@ layout(constant_id = 9) const uint sc_directional_penumbra_shadow_samples = 4; layout(constant_id = 10) const bool sc_decal_use_mipmaps = true; layout(constant_id = 11) const bool sc_projector_use_mipmaps = true; +// not used in clustered renderer but we share some code with the mobile renderer that requires this. +const float sc_luminance_multiplier = 1.0; + #include "scene_forward_clustered_inc.glsl" /* Varyings */ @@ -881,7 +884,7 @@ void main() { #ifdef NORMAL_USED if (scene_data.roughness_limiter_enabled) { - //http://www.jp.square-enix.com/tech/library/pdf/ImprovedGeometricSpecularAA.pdf + //https://www.jp.square-enix.com/tech/library/pdf/ImprovedGeometricSpecularAA.pdf float roughness2 = roughness * roughness; vec3 dndu = dFdx(normal), dndv = dFdy(normal); float variance = scene_data.roughness_limiter_amount * (dot(dndu, dndu) + dot(dndv, dndv)); @@ -1601,7 +1604,7 @@ void main() { continue; // Statically baked light and object uses lightmap, skip } - float shadow = light_process_omni_shadow(light_index, vertex, view); + float shadow = light_process_omni_shadow(light_index, vertex, normal); shadow = blur_shadow(shadow); @@ -1677,7 +1680,7 @@ void main() { continue; // Statically baked light and object uses lightmap, skip } - float shadow = light_process_spot_shadow(light_index, vertex, view); + float shadow = light_process_spot_shadow(light_index, vertex, normal); shadow = blur_shadow(shadow); 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 4a41c66ef3..f3db4abe3b 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl @@ -279,7 +279,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte } #ifdef USE_SHADOW_TO_OPACITY - alpha = min(alpha, clamp(1.0 - attenuation), 0.0, 1.0)); + alpha = min(alpha, clamp(1.0 - attenuation, 0.0, 1.0)); #endif #endif //defined(LIGHT_CODE_USED) @@ -288,7 +288,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte #ifndef USE_NO_SHADOWS // Interleaved Gradient Noise -// http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare +// https://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare float quick_hash(vec2 pos) { const vec3 magic = vec3(0.06711056f, 0.00583715f, 52.9829189f); return fract(magic.z * fract(dot(pos, magic.xy))); @@ -320,7 +320,7 @@ float sample_directional_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, ve return avg * (1.0 / float(sc_directional_soft_shadow_samples)); } -float sample_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { +float sample_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec3 coord) { vec2 pos = coord.xy; float depth = coord.z; @@ -346,6 +346,49 @@ float sample_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { return avg * (1.0 / float(sc_soft_shadow_samples)); } +float sample_omni_pcf_shadow(texture2D shadow, float blur_scale, vec2 coord, vec4 uv_rect, vec2 flip_offset, float depth) { + //if only one sample is taken, take it from the center + if (sc_soft_shadow_samples == 1) { + vec2 pos = coord * 0.5 + 0.5; + pos = uv_rect.xy + pos * uv_rect.zw; + return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); + } + + mat2 disk_rotation; + { + float r = quick_hash(gl_FragCoord.xy) * 2.0 * M_PI; + float sr = sin(r); + float cr = cos(r); + disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); + } + + float avg = 0.0; + vec2 offset_scale = blur_scale * 2.0 * scene_data.shadow_atlas_pixel_size / uv_rect.zw; + + for (uint i = 0; i < sc_soft_shadow_samples; i++) { + vec2 offset = offset_scale * (disk_rotation * scene_data.soft_shadow_kernel[i].xy); + vec2 sample_coord = coord + offset; + + float sample_coord_length_sqaured = dot(sample_coord, sample_coord); + bool do_flip = sample_coord_length_sqaured > 1.0; + + if (do_flip) { + float len = sqrt(sample_coord_length_sqaured); + sample_coord = sample_coord * (2.0 / len - 1.0); + } + + sample_coord = sample_coord * 0.5 + 0.5; + sample_coord = uv_rect.xy + sample_coord * uv_rect.zw; + + if (do_flip) { + sample_coord += flip_offset; + } + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(sample_coord, depth, 1.0)); + } + + return avg * (1.0 / float(sc_soft_shadow_samples)); +} + float sample_directional_soft_shadow(texture2D shadow, vec3 pssm_coord, vec2 tex_scale) { //find blocker float blocker_count = 0.0; @@ -403,15 +446,21 @@ float light_process_omni_shadow(uint idx, vec3 vertex, vec3 normal) { #ifndef USE_NO_SHADOWS if (omni_lights.data[idx].shadow_enabled) { // there is a shadowmap + vec2 texel_size = scene_data.shadow_atlas_pixel_size; + vec4 base_uv_rect = omni_lights.data[idx].atlas_rect; + base_uv_rect.xy += texel_size; + base_uv_rect.zw -= texel_size * 2.0; - vec3 light_rel_vec = omni_lights.data[idx].position - vertex; - float light_length = length(light_rel_vec); + // Omni lights use direction.xy to store to store the offset between the two paraboloid regions + vec2 flip_offset = omni_lights.data[idx].direction.xy; - vec4 v = vec4(vertex, 1.0); + vec3 local_vert = (omni_lights.data[idx].shadow_matrix * vec4(vertex, 1.0)).xyz; - vec4 splane = (omni_lights.data[idx].shadow_matrix * v); + float shadow_len = length(local_vert); //need to remember shadow len from here + vec3 shadow_dir = normalize(local_vert); - float shadow_len = length(splane.xyz); //need to remember shadow len from here + vec3 local_normal = normalize(mat3(omni_lights.data[idx].shadow_matrix) * normal); + vec3 normal_bias = local_normal * omni_lights.data[idx].shadow_normal_bias * (1.0 - abs(dot(local_normal, shadow_dir))); float shadow; @@ -431,10 +480,10 @@ float light_process_omni_shadow(uint idx, vec3 vertex, vec3 normal) { disk_rotation = mat2(vec2(cr, -sr), vec2(sr, cr)); } - vec3 normal = normalize(splane.xyz); - vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0); - vec3 tangent = normalize(cross(v0, normal)); - vec3 bitangent = normalize(cross(tangent, normal)); + vec3 basis_normal = shadow_dir; + vec3 v0 = abs(basis_normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0); + vec3 tangent = normalize(cross(v0, basis_normal)); + vec3 bitangent = normalize(cross(tangent, basis_normal)); float z_norm = shadow_len * omni_lights.data[idx].inv_radius; tangent *= omni_lights.data[idx].soft_shadow_size * omni_lights.data[idx].soft_shadow_scale; @@ -443,18 +492,17 @@ float light_process_omni_shadow(uint idx, vec3 vertex, vec3 normal) { for (uint i = 0; i < sc_penumbra_shadow_samples; i++) { vec2 disk = disk_rotation * scene_data.penumbra_shadow_kernel[i].xy; - vec3 pos = splane.xyz + tangent * disk.x + bitangent * disk.y; + vec3 pos = local_vert + tangent * disk.x + bitangent * disk.y; pos = normalize(pos); - vec4 uv_rect = omni_lights.data[idx].atlas_rect; + + vec4 uv_rect = base_uv_rect; if (pos.z >= 0.0) { - pos.z += 1.0; - uv_rect.y += uv_rect.w; - } else { - pos.z = 1.0 - pos.z; + uv_rect.xy += flip_offset; } + pos.z = 1.0 + abs(pos.z); pos.xy /= pos.z; pos.xy = pos.xy * 0.5 + 0.5; @@ -479,18 +527,18 @@ float light_process_omni_shadow(uint idx, vec3 vertex, vec3 normal) { shadow = 0.0; for (uint i = 0; i < sc_penumbra_shadow_samples; i++) { vec2 disk = disk_rotation * scene_data.penumbra_shadow_kernel[i].xy; - vec3 pos = splane.xyz + tangent * disk.x + bitangent * disk.y; + vec3 pos = local_vert + tangent * disk.x + bitangent * disk.y; pos = normalize(pos); - vec4 uv_rect = omni_lights.data[idx].atlas_rect; + pos = normalize(pos + normal_bias); + + vec4 uv_rect = base_uv_rect; if (pos.z >= 0.0) { - pos.z += 1.0; - uv_rect.y += uv_rect.w; - } else { - pos.z = 1.0 - pos.z; + uv_rect.xy += flip_offset; } + pos.z = 1.0 + abs(pos.z); pos.xy /= pos.z; pos.xy = pos.xy * 0.5 + 0.5; @@ -505,26 +553,19 @@ float light_process_omni_shadow(uint idx, vec3 vertex, vec3 normal) { shadow = 1.0; } } else { - splane.xyz = normalize(splane.xyz); - vec4 clamp_rect = omni_lights.data[idx].atlas_rect; - - if (splane.z >= 0.0) { - splane.z += 1.0; + vec4 uv_rect = base_uv_rect; - clamp_rect.y += clamp_rect.w; - - } else { - splane.z = 1.0 - splane.z; + vec3 shadow_sample = normalize(shadow_dir + normal_bias); + if (shadow_sample.z >= 0.0) { + uv_rect.xy += flip_offset; + flip_offset *= -1.0; } - splane.xy /= splane.z; - - splane.xy = splane.xy * 0.5 + 0.5; - splane.z = shadow_len * omni_lights.data[idx].inv_radius; - splane.z -= omni_lights.data[idx].shadow_bias; - splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; - splane.w = 1.0; //needed? i think it should be 1 already - shadow = sample_pcf_shadow(shadow_atlas, omni_lights.data[idx].soft_shadow_scale * scene_data.shadow_atlas_pixel_size, splane); + shadow_sample.z = 1.0 + abs(shadow_sample.z); + vec2 pos = shadow_sample.xy / shadow_sample.z; + float depth = shadow_len - omni_lights.data[idx].shadow_bias; + depth *= omni_lights.data[idx].inv_radius; + shadow = sample_omni_pcf_shadow(shadow_atlas, omni_lights.data[idx].soft_shadow_scale / shadow_sample.z, pos, uv_rect, flip_offset, depth); } return shadow; @@ -608,13 +649,11 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 v vec4 atlas_rect = omni_lights.data[idx].projector_rect; if (local_v.z >= 0.0) { - local_v.z += 1.0; atlas_rect.y += atlas_rect.w; - - } else { - local_v.z = 1.0 - local_v.z; } + local_v.z = 1.0 + abs(local_v.z); + local_v.xy /= local_v.z; local_v.xy = local_v.xy * 0.5 + 0.5; vec2 proj_uv = local_v.xy * atlas_rect.zw; @@ -694,15 +733,18 @@ float light_process_spot_shadow(uint idx, vec3 vertex, vec3 normal) { vec3 light_rel_vec = spot_lights.data[idx].position - vertex; float light_length = length(light_rel_vec); vec3 spot_dir = spot_lights.data[idx].direction; - //there is a shadowmap - vec4 v = vec4(vertex, 1.0); - float shadow; + vec3 shadow_dir = light_rel_vec / light_length; + vec3 normal_bias = normal * light_length * spot_lights.data[idx].shadow_normal_bias * (1.0 - abs(dot(normal, shadow_dir))); + + //there is a shadowmap + vec4 v = vec4(vertex + normal_bias, 1.0); vec4 splane = (spot_lights.data[idx].shadow_matrix * v); + splane.z -= spot_lights.data[idx].shadow_bias / (light_length * spot_lights.data[idx].inv_radius); splane /= splane.w; - splane.z -= spot_lights.data[idx].shadow_bias; + float shadow; if (sc_use_light_soft_shadows && spot_lights.data[idx].soft_shadow_size > 0.0) { //soft shadow @@ -753,11 +795,9 @@ float light_process_spot_shadow(uint idx, vec3 vertex, vec3 normal) { //no blockers found, so no shadow shadow = 1.0; } - } else { //hard shadow - vec4 shadow_uv = vec4(splane.xy * spot_lights.data[idx].atlas_rect.zw + spot_lights.data[idx].atlas_rect.xy, splane.z, 1.0); - + vec3 shadow_uv = vec3(splane.xy * spot_lights.data[idx].atlas_rect.zw + spot_lights.data[idx].atlas_rect.xy, splane.z); shadow = sample_pcf_shadow(shadow_atlas, spot_lights.data[idx].soft_shadow_scale * scene_data.shadow_atlas_pixel_size, shadow_uv); } @@ -929,7 +969,7 @@ void reflection_process(uint ref_index, vec3 vertex, vec3 normal, float roughnes vec4 reflection; - reflection.rgb = textureLod(samplerCubeArray(reflection_atlas, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(local_ref_vec, reflections.data[ref_index].index), roughness * MAX_ROUGHNESS_LOD).rgb; + reflection.rgb = textureLod(samplerCubeArray(reflection_atlas, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(local_ref_vec, reflections.data[ref_index].index), roughness * MAX_ROUGHNESS_LOD).rgb * sc_luminance_multiplier; if (reflections.data[ref_index].exterior) { reflection.rgb = mix(specular_light, reflection.rgb, blend); diff --git a/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl b/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl index 663100a0b3..518b0a6c7f 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_mobile.glsl @@ -92,7 +92,7 @@ layout(set = MATERIAL_UNIFORM_SET, binding = 0, std140) uniform MaterialUniforms #ifdef MODE_DUAL_PARABOLOID -layout(location = 8) out float dp_clip; +layout(location = 8) out highp float dp_clip; #endif @@ -124,7 +124,7 @@ void main() { mat3 world_normal_matrix; if (bool(draw_call.flags & INSTANCE_FLAGS_NON_UNIFORM_SCALE)) { - world_normal_matrix = inverse(mat3(world_matrix)); + world_normal_matrix = transpose(inverse(mat3(world_matrix))); } else { world_normal_matrix = mat3(world_matrix); } @@ -370,11 +370,6 @@ void main() { #VERSION_DEFINES -//use medium precision for floats on mobile. - -precision mediump float; -precision highp int; - /* Specialization Constants */ #if !defined(MODE_RENDER_DEPTH) @@ -406,6 +401,8 @@ layout(constant_id = 14) const bool sc_disable_fog = false; #endif //!MODE_RENDER_DEPTH +layout(constant_id = 15) const float sc_luminance_multiplier = 2.0; + /* Include our forward mobile UBOs definitions etc. */ #include "scene_forward_mobile_inc.glsl" @@ -498,7 +495,7 @@ layout(location = 0) out vec4 diffuse_buffer; //diffuse (rgb) and roughness layout(location = 1) out vec4 specular_buffer; //specular and SSS (subsurface scatter) #else -layout(location = 0) out vec4 frag_color; +layout(location = 0) out mediump vec4 frag_color; #endif // MODE_MULTIPLE_RENDER_TARGETS #endif // RENDER DEPTH @@ -852,7 +849,7 @@ void main() { #ifdef NORMAL_USED if (scene_data.roughness_limiter_enabled) { - //http://www.jp.square-enix.com/tech/library/pdf/ImprovedGeometricSpecularAA.pdf + //https://www.jp.square-enix.com/tech/library/pdf/ImprovedGeometricSpecularAA.pdf float roughness2 = roughness * roughness; vec3 dndu = dFdx(normal), dndv = dFdy(normal); float variance = scene_data.roughness_limiter_amount * (dot(dndu, dndu) + dot(dndv, dndv)); @@ -1392,7 +1389,7 @@ void main() { break; } - float shadow = light_process_omni_shadow(light_index, vertex, view); + float shadow = light_process_omni_shadow(light_index, vertex, normal); shadow = blur_shadow(shadow); @@ -1440,7 +1437,7 @@ void main() { break; } - float shadow = light_process_spot_shadow(light_index, vertex, view); + float shadow = light_process_spot_shadow(light_index, vertex, normal); shadow = blur_shadow(shadow); @@ -1556,12 +1553,15 @@ void main() { frag_color = vec4(albedo, alpha); #else // MODE_UNSHADED frag_color = vec4(emission + ambient_light + diffuse_light + specular_light, alpha); - //frag_color = vec4(1.0); #endif // MODE_UNSHADED // Draw "fixed" fog before volumetric fog to ensure volumetric fog can appear in front of the sky. frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); + // On mobile we use a UNORM buffer with 10bpp which results in a range from 0.0 - 1.0 resulting in HDR breaking + // We divide by sc_luminance_multiplier to support a range from 0.0 - 2.0 both increasing precision on bright and darker images + frag_color.rgb = frag_color.rgb / sc_luminance_multiplier; + #endif //MODE_MULTIPLE_RENDER_TARGETS #endif //MODE_RENDER_DEPTH 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 f1e554d01c..dd8879acb4 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward_mobile_inc.glsl @@ -93,7 +93,7 @@ directional_lights; #define LIGHTMAP_FLAG_USE_SPECULAR_DIRECTION 2 struct Lightmap { - mat3 normal_xform; + mediump mat3 normal_xform; }; layout(set = 0, binding = 9, std140) restrict readonly buffer Lightmaps { @@ -102,7 +102,7 @@ layout(set = 0, binding = 9, std140) restrict readonly buffer Lightmaps { lightmaps; struct LightmapCapture { - vec4 sh[9]; + mediump vec4 sh[9]; }; layout(set = 0, binding = 10, std140) restrict readonly buffer LightmapCaptures { @@ -110,8 +110,8 @@ layout(set = 0, binding = 10, std140) restrict readonly buffer LightmapCaptures } lightmap_captures; -layout(set = 0, binding = 11) uniform texture2D decal_atlas; -layout(set = 0, binding = 12) uniform texture2D decal_atlas_srgb; +layout(set = 0, binding = 11) uniform mediump texture2D decal_atlas; +layout(set = 0, binding = 12) uniform mediump texture2D decal_atlas_srgb; layout(set = 0, binding = 13, std430) restrict readonly buffer Decals { DecalData data[]; @@ -119,7 +119,7 @@ layout(set = 0, binding = 13, std430) restrict readonly buffer Decals { decals; layout(set = 0, binding = 14, std430) restrict readonly buffer GlobalVariableData { - vec4 data[]; + highp vec4 data[]; } global_variables; @@ -135,56 +135,56 @@ layout(set = 1, binding = 0, std140) uniform SceneData { highp mat4 projection_matrix_view[MAX_VIEWS]; highp mat4 inv_projection_matrix_view[MAX_VIEWS]; - vec2 viewport_size; - vec2 screen_pixel_size; + highp vec2 viewport_size; + highp vec2 screen_pixel_size; // Use vec4s because std140 doesn't play nice with vec2s, z and w are wasted. - vec4 directional_penumbra_shadow_kernel[32]; - vec4 directional_soft_shadow_kernel[32]; - vec4 penumbra_shadow_kernel[32]; - vec4 soft_shadow_kernel[32]; + highp vec4 directional_penumbra_shadow_kernel[32]; + highp vec4 directional_soft_shadow_kernel[32]; + highp vec4 penumbra_shadow_kernel[32]; + highp vec4 soft_shadow_kernel[32]; - vec4 ambient_light_color_energy; + mediump vec4 ambient_light_color_energy; - float ambient_color_sky_mix; + mediump float ambient_color_sky_mix; bool use_ambient_light; bool use_ambient_cubemap; bool use_reflection_cubemap; - mat3 radiance_inverse_xform; + mediump mat3 radiance_inverse_xform; - vec2 shadow_atlas_pixel_size; - vec2 directional_shadow_pixel_size; + highp vec2 shadow_atlas_pixel_size; + highp vec2 directional_shadow_pixel_size; uint directional_light_count; - float dual_paraboloid_side; - float z_far; - float z_near; + mediump float dual_paraboloid_side; + highp float z_far; + highp float z_near; bool ssao_enabled; - float ssao_light_affect; - float ssao_ao_affect; + mediump float ssao_light_affect; + mediump float ssao_ao_affect; bool roughness_limiter_enabled; - float roughness_limiter_amount; - float roughness_limiter_limit; + mediump float roughness_limiter_amount; + mediump float roughness_limiter_limit; uvec2 roughness_limiter_pad; - vec4 ao_color; + mediump vec4 ao_color; bool fog_enabled; - float fog_density; - float fog_height; - float fog_height_density; + highp float fog_density; + highp float fog_height; + highp float fog_height_density; - vec3 fog_light_color; - float fog_sun_scatter; + mediump vec3 fog_light_color; + mediump float fog_sun_scatter; - float fog_aerial_perspective; + mediump float fog_aerial_perspective; bool material_uv2_mode; - float time; - float reflection_multiplier; // one normally, zero when rendering reflections + highp float time; + mediump float reflection_multiplier; // one normally, zero when rendering reflections bool pancake_shadows; uint pad1; @@ -195,30 +195,30 @@ scene_data; #ifdef USE_RADIANCE_CUBEMAP_ARRAY -layout(set = 1, binding = 2) uniform textureCubeArray radiance_cubemap; +layout(set = 1, binding = 2) uniform mediump textureCubeArray radiance_cubemap; #else -layout(set = 1, binding = 2) uniform textureCube radiance_cubemap; +layout(set = 1, binding = 2) uniform mediump textureCube radiance_cubemap; #endif -layout(set = 1, binding = 3) uniform textureCubeArray reflection_atlas; +layout(set = 1, binding = 3) uniform mediump textureCubeArray reflection_atlas; -layout(set = 1, binding = 4) uniform texture2D shadow_atlas; +layout(set = 1, binding = 4) uniform highp texture2D shadow_atlas; -layout(set = 1, binding = 5) uniform texture2D directional_shadow_atlas; +layout(set = 1, binding = 5) uniform highp texture2D directional_shadow_atlas; // this needs to change to providing just the lightmap we're using.. layout(set = 1, binding = 6) uniform texture2DArray lightmap_textures[MAX_LIGHTMAP_TEXTURES]; -layout(set = 1, binding = 9) uniform texture2D depth_buffer; -layout(set = 1, binding = 10) uniform texture2D color_buffer; +layout(set = 1, binding = 9) uniform highp texture2D depth_buffer; +layout(set = 1, binding = 10) uniform mediump texture2D color_buffer; /* Set 2 Skeleton & Instancing (can change per item) */ layout(set = 2, binding = 0, std430) restrict readonly buffer Transforms { - vec4 data[]; + highp vec4 data[]; } transforms; diff --git a/servers/rendering/renderer_rd/shaders/sdfgi_debug_probes.glsl b/servers/rendering/renderer_rd/shaders/sdfgi_debug_probes.glsl index 0eacbc5363..4290d5b869 100644 --- a/servers/rendering/renderer_rd/shaders/sdfgi_debug_probes.glsl +++ b/servers/rendering/renderer_rd/shaders/sdfgi_debug_probes.glsl @@ -24,7 +24,7 @@ layout(push_constant, binding = 0, std430) uniform Params { } params; -// http://in4k.untergrund.net/html_articles/hugi_27_-_coding_corner_polaris_sphere_tessellation_101.htm +// https://in4k.untergrund.net/html_articles/hugi_27_-_coding_corner_polaris_sphere_tessellation_101.htm vec3 get_sphere_vertex(uint p_vertex_id) { float x_angle = float(p_vertex_id & 1u) + (p_vertex_id >> params.band_power); diff --git a/servers/rendering/renderer_rd/shaders/sky.glsl b/servers/rendering/renderer_rd/shaders/sky.glsl index 41c6325bc5..d07a454ade 100644 --- a/servers/rendering/renderer_rd/shaders/sky.glsl +++ b/servers/rendering/renderer_rd/shaders/sky.glsl @@ -17,6 +17,8 @@ layout(push_constant, binding = 1, std430) uniform Params { vec4 projections[MAX_VIEWS]; vec4 position_multiplier; float time; + float luminance_multiplier; + float pad[2]; } params; @@ -55,6 +57,8 @@ layout(push_constant, binding = 1, std430) uniform Params { vec4 projections[MAX_VIEWS]; vec4 position_multiplier; float time; + float luminance_multiplier; + float pad[2]; } params; @@ -199,17 +203,17 @@ void main() { vec3 inverted_cube_normal = cube_normal; inverted_cube_normal.z *= -1.0; #ifdef USES_HALF_RES_COLOR - half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal); + half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal) * params.luminance_multiplier; #endif #ifdef USES_QUARTER_RES_COLOR - quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal); + quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal) * params.luminance_multiplier; #endif #else #ifdef USES_HALF_RES_COLOR - half_res_color = textureLod(sampler2D(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0); + half_res_color = textureLod(sampler2D(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0) * params.luminance_multiplier; #endif #ifdef USES_QUARTER_RES_COLOR - quarter_res_color = textureLod(sampler2D(quarter_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0); + quarter_res_color = textureLod(sampler2D(quarter_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0) * params.luminance_multiplier; #endif #endif @@ -246,4 +250,7 @@ void main() { if (!AT_CUBEMAP_PASS && !AT_HALF_RES_PASS && !AT_QUARTER_RES_PASS) { frag_color.a = 0.0; } + + // For mobile renderer we're dividing by 2.0 as we're using a UNORM buffer + frag_color.rgb = frag_color.rgb / params.luminance_multiplier; } diff --git a/servers/rendering/renderer_rd/shaders/tonemap.glsl b/servers/rendering/renderer_rd/shaders/tonemap.glsl index 3c685c25b9..4411587116 100644 --- a/servers/rendering/renderer_rd/shaders/tonemap.glsl +++ b/servers/rendering/renderer_rd/shaders/tonemap.glsl @@ -37,15 +37,15 @@ layout(location = 0) in vec2 uv_interp; #ifdef SUBPASS layout(input_attachment_index = 0, set = 0, binding = 0) uniform subpassInput input_color; -#else -#if MULTIVIEW +#elif defined(MULTIVIEW) layout(set = 0, binding = 0) uniform sampler2DArray source_color; #else layout(set = 0, binding = 0) uniform sampler2D source_color; #endif -#endif + layout(set = 1, binding = 0) uniform sampler2D source_auto_exposure; layout(set = 2, binding = 0) uniform sampler2D source_glow; + #ifdef USE_1D_LUT layout(set = 3, binding = 0) uniform sampler2D source_color_correction; #else @@ -71,7 +71,7 @@ layout(push_constant, binding = 1, std430) uniform Params { float exposure; float white; float auto_exposure_grey; - uint pad2; + float luminance_multiplier; vec2 pixel_size; bool use_fxaa; @@ -298,15 +298,15 @@ vec3 do_fxaa(vec3 color, float exposure, vec2 uv_interp) { const float FXAA_SPAN_MAX = 8.0; #ifdef MULTIVIEW - vec3 rgbNW = textureLod(source_color, vec3(uv_interp + vec2(-1.0, -1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure; - vec3 rgbNE = textureLod(source_color, vec3(uv_interp + vec2(1.0, -1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure; - vec3 rgbSW = textureLod(source_color, vec3(uv_interp + vec2(-1.0, 1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure; - vec3 rgbSE = textureLod(source_color, vec3(uv_interp + vec2(1.0, 1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure; + vec3 rgbNW = textureLod(source_color, vec3(uv_interp + vec2(-1.0, -1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure * params.luminance_multiplier; + vec3 rgbNE = textureLod(source_color, vec3(uv_interp + vec2(1.0, -1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure * params.luminance_multiplier; + vec3 rgbSW = textureLod(source_color, vec3(uv_interp + vec2(-1.0, 1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure * params.luminance_multiplier; + vec3 rgbSE = textureLod(source_color, vec3(uv_interp + vec2(1.0, 1.0) * params.pixel_size, ViewIndex), 0.0).xyz * exposure * params.luminance_multiplier; #else - vec3 rgbNW = textureLod(source_color, uv_interp + vec2(-1.0, -1.0) * params.pixel_size, 0.0).xyz * exposure; - vec3 rgbNE = textureLod(source_color, uv_interp + vec2(1.0, -1.0) * params.pixel_size, 0.0).xyz * exposure; - vec3 rgbSW = textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * params.pixel_size, 0.0).xyz * exposure; - vec3 rgbSE = textureLod(source_color, uv_interp + vec2(1.0, 1.0) * params.pixel_size, 0.0).xyz * exposure; + vec3 rgbNW = textureLod(source_color, uv_interp + vec2(-1.0, -1.0) * params.pixel_size, 0.0).xyz * exposure * params.luminance_multiplier; + vec3 rgbNE = textureLod(source_color, uv_interp + vec2(1.0, -1.0) * params.pixel_size, 0.0).xyz * exposure * params.luminance_multiplier; + vec3 rgbSW = textureLod(source_color, uv_interp + vec2(-1.0, 1.0) * params.pixel_size, 0.0).xyz * exposure * params.luminance_multiplier; + vec3 rgbSE = textureLod(source_color, uv_interp + vec2(1.0, 1.0) * params.pixel_size, 0.0).xyz * exposure * params.luminance_multiplier; #endif vec3 rgbM = color; vec3 luma = vec3(0.299, 0.587, 0.114); @@ -333,11 +333,11 @@ vec3 do_fxaa(vec3 color, float exposure, vec2 uv_interp) { params.pixel_size; #ifdef MULTIVIEW - vec3 rgbA = 0.5 * exposure * (textureLod(source_color, vec3(uv_interp + dir * (1.0 / 3.0 - 0.5), ViewIndex), 0.0).xyz + textureLod(source_color, vec3(uv_interp + dir * (2.0 / 3.0 - 0.5), ViewIndex), 0.0).xyz); - vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source_color, vec3(uv_interp + dir * -0.5, ViewIndex), 0.0).xyz + textureLod(source_color, vec3(uv_interp + dir * 0.5, ViewIndex), 0.0).xyz); + vec3 rgbA = 0.5 * exposure * (textureLod(source_color, vec3(uv_interp + dir * (1.0 / 3.0 - 0.5), ViewIndex), 0.0).xyz + textureLod(source_color, vec3(uv_interp + dir * (2.0 / 3.0 - 0.5), ViewIndex), 0.0).xyz) * params.luminance_multiplier; + vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source_color, vec3(uv_interp + dir * -0.5, ViewIndex), 0.0).xyz + textureLod(source_color, vec3(uv_interp + dir * 0.5, ViewIndex), 0.0).xyz) * params.luminance_multiplier; #else - vec3 rgbA = 0.5 * exposure * (textureLod(source_color, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source_color, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz); - vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source_color, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source_color, uv_interp + dir * 0.5, 0.0).xyz); + vec3 rgbA = 0.5 * exposure * (textureLod(source_color, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source_color, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz) * params.luminance_multiplier; + vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source_color, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source_color, uv_interp + dir * 0.5, 0.0).xyz) * params.luminance_multiplier; #endif float lumaB = dot(rgbB, luma); @@ -349,7 +349,7 @@ vec3 do_fxaa(vec3 color, float exposure, vec2 uv_interp) { } #endif // !SUBPASS -// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf +// From https://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf // and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom) // NOTE: `frag_coord` is in pixels (i.e. not normalized UV). vec3 screen_space_dither(vec2 frag_coord) { @@ -364,11 +364,11 @@ vec3 screen_space_dither(vec2 frag_coord) { void main() { #ifdef SUBPASS // SUBPASS and MULTIVIEW can be combined but in that case we're already reading from the correct layer - vec3 color = subpassLoad(input_color).rgb; -#elif MULTIVIEW - vec3 color = textureLod(source_color, vec3(uv_interp, ViewIndex), 0.0f).rgb; + vec3 color = subpassLoad(input_color).rgb * params.luminance_multiplier; +#elif defined(MULTIVIEW) + vec3 color = textureLod(source_color, vec3(uv_interp, ViewIndex), 0.0f).rgb * params.luminance_multiplier; #else - vec3 color = textureLod(source_color, uv_interp, 0.0f).rgb; + vec3 color = textureLod(source_color, uv_interp, 0.0f).rgb * params.luminance_multiplier; #endif // Exposure @@ -377,7 +377,7 @@ void main() { #ifndef SUBPASS if (params.use_auto_exposure) { - exposure *= 1.0 / (texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / params.auto_exposure_grey); + exposure *= 1.0 / (texelFetch(source_auto_exposure, ivec2(0, 0), 0).r * params.luminance_multiplier / params.auto_exposure_grey); } #endif @@ -386,7 +386,7 @@ void main() { // Early Tonemap & SRGB Conversion #ifndef SUBPASS if (params.use_glow && params.glow_mode == GLOW_MODE_MIX) { - vec3 glow = gather_glow(source_glow, uv_interp); + vec3 glow = gather_glow(source_glow, uv_interp) * params.luminance_multiplier; color.rgb = mix(color.rgb, glow, params.glow_intensity); } @@ -411,7 +411,7 @@ void main() { // Glow if (params.use_glow && params.glow_mode != GLOW_MODE_MIX) { - vec3 glow = gather_glow(source_glow, uv_interp) * params.glow_intensity; + vec3 glow = gather_glow(source_glow, uv_interp) * params.glow_intensity * params.luminance_multiplier; // high dynamic range -> SRGB glow = apply_tonemapping(glow, params.white); |