diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/effects')
18 files changed, 325 insertions, 130 deletions
diff --git a/servers/rendering/renderer_rd/shaders/effects/blur_raster.glsl b/servers/rendering/renderer_rd/shaders/effects/blur_raster.glsl index cb06250cf2..31aabbe9d2 100644 --- a/servers/rendering/renderer_rd/shaders/effects/blur_raster.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/blur_raster.glsl @@ -53,30 +53,31 @@ void main() { #ifdef MODE_GAUSSIAN_BLUR - // Simpler blur uses SIGMA2 for the gaussian kernel for a stronger effect - - // note, for blur blur.luminance_multiplier is irrelavant, we would be multiplying and then dividing by this amount. - - if (bool(blur.flags & FLAG_HORIZONTAL)) { - vec2 pix_size = blur.pixel_size; - pix_size *= 0.5; //reading from larger buffer, so use more samples - vec4 color = texture(source_color, uv_interp + vec2(0.0, 0.0) * pix_size) * 0.214607; - color += texture(source_color, uv_interp + vec2(1.0, 0.0) * pix_size) * 0.189879; - color += texture(source_color, uv_interp + vec2(2.0, 0.0) * pix_size) * 0.131514; - color += texture(source_color, uv_interp + vec2(3.0, 0.0) * pix_size) * 0.071303; - color += texture(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size) * 0.189879; - color += texture(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size) * 0.131514; - color += texture(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size) * 0.071303; - frag_color = color; - } else { - vec2 pix_size = blur.pixel_size; - vec4 color = texture(source_color, uv_interp + vec2(0.0, 0.0) * pix_size) * 0.38774; - color += texture(source_color, uv_interp + vec2(0.0, 1.0) * pix_size) * 0.24477; - color += texture(source_color, uv_interp + vec2(0.0, 2.0) * pix_size) * 0.06136; - color += texture(source_color, uv_interp + vec2(0.0, -1.0) * pix_size) * 0.24477; - color += texture(source_color, uv_interp + vec2(0.0, -2.0) * pix_size) * 0.06136; - frag_color = color; - } + // For Gaussian Blur we use 13 taps in a single pass instead of 12 taps over 2 passes. + // This minimizes the number of times we change framebuffers which is very important for mobile. + // Source: http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare + vec4 A = texture(source_color, uv_interp + blur.pixel_size * vec2(-1.0, -1.0)); + vec4 B = texture(source_color, uv_interp + blur.pixel_size * vec2(0.0, -1.0)); + vec4 C = texture(source_color, uv_interp + blur.pixel_size * vec2(1.0, -1.0)); + vec4 D = texture(source_color, uv_interp + blur.pixel_size * vec2(-0.5, -0.5)); + vec4 E = texture(source_color, uv_interp + blur.pixel_size * vec2(0.5, -0.5)); + vec4 F = texture(source_color, uv_interp + blur.pixel_size * vec2(-1.0, 0.0)); + vec4 G = texture(source_color, uv_interp); + vec4 H = texture(source_color, uv_interp + blur.pixel_size * vec2(1.0, 0.0)); + vec4 I = texture(source_color, uv_interp + blur.pixel_size * vec2(-0.5, 0.5)); + vec4 J = texture(source_color, uv_interp + blur.pixel_size * vec2(0.5, 0.5)); + vec4 K = texture(source_color, uv_interp + blur.pixel_size * vec2(-1.0, 1.0)); + vec4 L = texture(source_color, uv_interp + blur.pixel_size * vec2(0.0, 1.0)); + vec4 M = texture(source_color, uv_interp + blur.pixel_size * vec2(1.0, 1.0)); + + float base_weight = 0.5 / 4.0; + float lesser_weight = 0.125 / 4.0; + + frag_color = (D + E + I + J) * base_weight; + frag_color += (A + B + G + F) * lesser_weight; + frag_color += (B + C + H + G) * lesser_weight; + frag_color += (F + G + L + K) * lesser_weight; + frag_color += (G + H + M + L) * lesser_weight; #endif #ifdef MODE_GAUSSIAN_GLOW diff --git a/servers/rendering/renderer_rd/shaders/effects/copy.glsl b/servers/rendering/renderer_rd/shaders/effects/copy.glsl index bfe329b8ec..3a82861057 100644 --- a/servers/rendering/renderer_rd/shaders/effects/copy.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/copy.glsl @@ -14,8 +14,7 @@ layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; #define FLAG_FLIP_Y (1 << 5) #define FLAG_FORCE_LUMINANCE (1 << 6) #define FLAG_COPY_ALL_SOURCE (1 << 7) -#define FLAG_HIGH_QUALITY_GLOW (1 << 8) -#define FLAG_ALPHA_TO_ONE (1 << 9) +#define FLAG_ALPHA_TO_ONE (1 << 8) layout(push_constant, std430) uniform Params { ivec4 section; @@ -93,25 +92,14 @@ void main() { #ifdef MODE_GAUSSIAN_BLUR // First pass copy texture into 16x16 local memory for every 8x8 thread block - vec2 quad_center_uv = clamp(vec2(gl_GlobalInvocationID.xy + gl_LocalInvocationID.xy - 3.5) / params.section.zw, vec2(0.5 / params.section.zw), vec2(1.0 - 1.5 / params.section.zw)); + vec2 quad_center_uv = clamp(vec2(params.section.xy + gl_GlobalInvocationID.xy + gl_LocalInvocationID.xy - 3.5) / params.section.zw, vec2(0.5 / params.section.zw), vec2(1.0 - 1.5 / params.section.zw)); uint dest_index = gl_LocalInvocationID.x * 2 + gl_LocalInvocationID.y * 2 * 16; -#ifdef MODE_GLOW - if (bool(params.flags & FLAG_HIGH_QUALITY_GLOW)) { - vec2 quad_offset_uv = clamp((vec2(gl_GlobalInvocationID.xy + gl_LocalInvocationID.xy - 3.0)) / params.section.zw, vec2(0.5 / params.section.zw), vec2(1.0 - 1.5 / params.section.zw)); - - local_cache[dest_index] = (textureLod(source_color, quad_center_uv, 0) + textureLod(source_color, quad_offset_uv, 0)) * 0.5; - local_cache[dest_index + 1] = (textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.z, 0.0), 0) + textureLod(source_color, quad_offset_uv + vec2(1.0 / params.section.z, 0.0), 0)) * 0.5; - local_cache[dest_index + 16] = (textureLod(source_color, quad_center_uv + vec2(0.0, 1.0 / params.section.w), 0) + textureLod(source_color, quad_offset_uv + vec2(0.0, 1.0 / params.section.w), 0)) * 0.5; - local_cache[dest_index + 16 + 1] = (textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.zw), 0) + textureLod(source_color, quad_offset_uv + vec2(1.0 / params.section.zw), 0)) * 0.5; - } else -#endif - { - local_cache[dest_index] = textureLod(source_color, quad_center_uv, 0); - local_cache[dest_index + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.z, 0.0), 0); - local_cache[dest_index + 16] = textureLod(source_color, quad_center_uv + vec2(0.0, 1.0 / params.section.w), 0); - local_cache[dest_index + 16 + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.zw), 0); - } + local_cache[dest_index] = textureLod(source_color, quad_center_uv, 0); + local_cache[dest_index + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.z, 0.0), 0); + local_cache[dest_index + 16] = textureLod(source_color, quad_center_uv + vec2(0.0, 1.0 / params.section.w), 0); + local_cache[dest_index + 16 + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.zw), 0); + #ifdef MODE_GLOW if (bool(params.flags & FLAG_GLOW_FIRST_PASS)) { // Tonemap initial samples to reduce weight of fireflies: https://graphicrants.blogspot.com/2013/12/tone-mapping.html @@ -194,10 +182,10 @@ void main() { color = min(color * feedback, vec4(params.glow_luminance_cap)); } -#endif +#endif // MODE_GLOW imageStore(dest_buffer, pos + params.target, color); -#endif +#endif // MODE_GAUSSIAN_BLUR #ifdef MODE_SIMPLE_COPY @@ -227,7 +215,7 @@ void main() { imageStore(dest_buffer, pos + params.target, color); -#endif +#endif // MODE_SIMPLE_COPY #ifdef MODE_SIMPLE_COPY_DEPTH @@ -239,7 +227,7 @@ void main() { imageStore(dest_buffer, pos + params.target, vec4(color.r)); -#endif +#endif // MODE_SIMPLE_COPY_DEPTH #ifdef MODE_LINEARIZE_DEPTH_COPY @@ -253,7 +241,7 @@ void main() { } imageStore(dest_buffer, pos + params.target, color); -#endif +#endif // MODE_LINEARIZE_DEPTH_COPY #if defined(MODE_CUBEMAP_TO_PANORAMA) || defined(MODE_CUBEMAP_ARRAY_TO_PANORAMA) @@ -276,7 +264,7 @@ void main() { vec4 color = textureLod(source_color, vec4(normal, params.camera_z_far), 0.0); //the biggest the lod the least the acne #endif imageStore(dest_buffer, pos + params.target, color); -#endif +#endif // defined(MODE_CUBEMAP_TO_PANORAMA) || defined(MODE_CUBEMAP_ARRAY_TO_PANORAMA) #ifdef MODE_SET_COLOR imageStore(dest_buffer, pos + params.target, params.set_color); diff --git a/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl b/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl index 1c17eabb56..6137224162 100644 --- a/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl @@ -13,6 +13,14 @@ #endif // has_VK_KHR_multiview #endif //MULTIVIEW +#define FLAG_FLIP_Y (1 << 0) +#define FLAG_USE_SECTION (1 << 1) +#define FLAG_FORCE_LUMINANCE (1 << 2) +#define FLAG_ALPHA_TO_ZERO (1 << 3) +#define FLAG_SRGB (1 << 4) +#define FLAG_ALPHA_TO_ONE (1 << 5) +#define FLAG_LINEAR (1 << 6) + #ifdef MULTIVIEW layout(location = 0) out vec3 uv_interp; #else @@ -22,11 +30,10 @@ layout(location = 0) out vec2 uv_interp; layout(push_constant, std430) uniform Params { vec4 section; vec2 pixel_size; - bool flip_y; - bool use_section; + float luminance_multiplier; + uint flags; - bool force_luminance; - uint pad[3]; + vec4 color; } params; @@ -37,13 +44,13 @@ void main() { uv_interp.z = ViewIndex; #endif vec2 vpos = uv_interp.xy; - if (params.use_section) { + if (bool(params.flags & FLAG_USE_SECTION)) { vpos = params.section.xy + vpos * params.section.zw; } gl_Position = vec4(vpos * 2.0 - 1.0, 0.0, 1.0); - if (params.flip_y) { + if (bool(params.flags & FLAG_FLIP_Y)) { uv_interp.y = 1.0 - uv_interp.y; } } @@ -63,19 +70,25 @@ void main() { #endif // has_VK_KHR_multiview #endif //MULTIVIEW +#define FLAG_FLIP_Y (1 << 0) +#define FLAG_USE_SECTION (1 << 1) +#define FLAG_FORCE_LUMINANCE (1 << 2) +#define FLAG_ALPHA_TO_ZERO (1 << 3) +#define FLAG_SRGB (1 << 4) +#define FLAG_ALPHA_TO_ONE (1 << 5) +#define FLAG_LINEAR (1 << 6) + layout(push_constant, std430) uniform Params { vec4 section; vec2 pixel_size; - bool flip_y; - bool use_section; + float luminance_multiplier; + uint flags; - bool force_luminance; - bool alpha_to_zero; - bool srgb; - uint pad; + vec4 color; } params; +#ifndef MODE_SET_COLOR #ifdef MULTIVIEW layout(location = 0) in vec3 uv_interp; #else @@ -94,6 +107,7 @@ layout(set = 0, binding = 0) uniform sampler2D source_color; layout(set = 1, binding = 0) uniform sampler2D source_color2; #endif /* MODE_TWO_SOURCES */ #endif /* MULTIVIEW */ +#endif /* !SET_COLOR */ layout(location = 0) out vec4 frag_color; @@ -104,7 +118,15 @@ vec3 linear_to_srgb(vec3 color) { return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f))); } +vec3 srgb_to_linear(vec3 color) { + return mix(pow((color.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), color.rgb * (1.0 / 12.92), lessThan(color.rgb, vec3(0.04045))); +} + void main() { +#ifdef MODE_SET_COLOR + frag_color = params.color; +#else + #ifdef MULTIVIEW vec3 uv = uv_interp; #else @@ -155,15 +177,22 @@ void main() { #endif /* MODE_TWO_SOURCES */ #endif /* MULTIVIEW */ - if (params.force_luminance) { + if (bool(params.flags & FLAG_FORCE_LUMINANCE)) { color.rgb = vec3(max(max(color.r, color.g), color.b)); } - if (params.alpha_to_zero) { + if (bool(params.flags & FLAG_ALPHA_TO_ZERO)) { color.rgb *= color.a; } - if (params.srgb) { + if (bool(params.flags & FLAG_SRGB)) { color.rgb = linear_to_srgb(color.rgb); } + if (bool(params.flags & FLAG_ALPHA_TO_ONE)) { + color.a = 1.0; + } + if (bool(params.flags & FLAG_LINEAR)) { + color.rgb = srgb_to_linear(color.rgb); + } - frag_color = color; + frag_color = color / params.luminance_multiplier; +#endif // MODE_SET_COLOR } diff --git a/servers/rendering/renderer_rd/shaders/effects/cubemap_roughness_inc.glsl b/servers/rendering/renderer_rd/shaders/effects/cubemap_roughness_inc.glsl index 1bee428a6f..c0597fe3f3 100644 --- a/servers/rendering/renderer_rd/shaders/effects/cubemap_roughness_inc.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/cubemap_roughness_inc.glsl @@ -70,17 +70,6 @@ float DistributionGGX(float NdotH, float roughness4) { return roughness4 / denom; } -// 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); -} - -// 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); -} - float radicalInverse_VdC(uint bits) { bits = (bits << 16u) | (bits >> 16u); bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u); diff --git a/servers/rendering/renderer_rd/shaders/effects/fsr_upscale.glsl b/servers/rendering/renderer_rd/shaders/effects/fsr_upscale.glsl index c8eb78a2f0..221e97bece 100644 --- a/servers/rendering/renderer_rd/shaders/effects/fsr_upscale.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/fsr_upscale.glsl @@ -1,32 +1,32 @@ -/*************************************************************************/ -/* fsr_upscale.glsl */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ +/**************************************************************************/ +/* fsr_upscale.glsl */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ #[compute] diff --git a/servers/rendering/renderer_rd/shaders/effects/luminance_reduce.glsl b/servers/rendering/renderer_rd/shaders/effects/luminance_reduce.glsl new file mode 100644 index 0000000000..0ee4cf6e31 --- /dev/null +++ b/servers/rendering/renderer_rd/shaders/effects/luminance_reduce.glsl @@ -0,0 +1,82 @@ +#[compute] + +#version 450 + +#VERSION_DEFINES + +#define BLOCK_SIZE 8 + +layout(local_size_x = BLOCK_SIZE, local_size_y = BLOCK_SIZE, local_size_z = 1) in; + +shared float tmp_data[BLOCK_SIZE * BLOCK_SIZE]; + +#ifdef READ_TEXTURE + +//use for main texture +layout(set = 0, binding = 0) uniform sampler2D source_texture; + +#else + +//use for intermediate textures +layout(r32f, set = 0, binding = 0) uniform restrict readonly image2D source_luminance; + +#endif + +layout(r32f, set = 1, binding = 0) uniform restrict writeonly image2D dest_luminance; + +#ifdef WRITE_LUMINANCE +layout(set = 2, binding = 0) uniform sampler2D prev_luminance; +#endif + +layout(push_constant, std430) uniform Params { + ivec2 source_size; + float max_luminance; + float min_luminance; + float exposure_adjust; + float pad[3]; +} +params; + +void main() { + uint t = gl_LocalInvocationID.y * BLOCK_SIZE + gl_LocalInvocationID.x; + ivec2 pos = ivec2(gl_GlobalInvocationID.xy); + + if (any(lessThan(pos, params.source_size))) { +#ifdef READ_TEXTURE + vec3 v = texelFetch(source_texture, pos, 0).rgb; + tmp_data[t] = max(v.r, max(v.g, v.b)); +#else + tmp_data[t] = imageLoad(source_luminance, pos).r; +#endif + } else { + tmp_data[t] = 0.0; + } + + groupMemoryBarrier(); + barrier(); + + uint size = (BLOCK_SIZE * BLOCK_SIZE) >> 1; + + do { + if (t < size) { + tmp_data[t] += tmp_data[t + size]; + } + groupMemoryBarrier(); + barrier(); + + size >>= 1; + } while (size >= 1); + + if (t == 0) { + //compute rect size + ivec2 rect_size = min(params.source_size - pos, ivec2(BLOCK_SIZE)); + float avg = tmp_data[0] / float(rect_size.x * rect_size.y); + //float avg = tmp_data[0] / float(BLOCK_SIZE*BLOCK_SIZE); + pos /= ivec2(BLOCK_SIZE); +#ifdef WRITE_LUMINANCE + float prev_lum = texelFetch(prev_luminance, ivec2(0, 0), 0).r; //1 pixel previous exposure + avg = clamp(prev_lum + (avg - prev_lum) * params.exposure_adjust, params.min_luminance, params.max_luminance); +#endif + imageStore(dest_luminance, pos, vec4(avg)); + } +} diff --git a/servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster.glsl b/servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster.glsl new file mode 100644 index 0000000000..29ebd74a90 --- /dev/null +++ b/servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster.glsl @@ -0,0 +1,74 @@ +/* clang-format off */ +#[vertex] + +#version 450 + +#VERSION_DEFINES + +#include "luminance_reduce_raster_inc.glsl" + +layout(location = 0) out vec2 uv_interp; +/* clang-format on */ + +void main() { + vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); + uv_interp = base_arr[gl_VertexIndex]; + + gl_Position = vec4(uv_interp * 2.0 - 1.0, 0.0, 1.0); +} + +/* clang-format off */ +#[fragment] + +#version 450 + +#VERSION_DEFINES + +#include "luminance_reduce_raster_inc.glsl" + +layout(location = 0) in vec2 uv_interp; +/* clang-format on */ + +layout(set = 0, binding = 0) uniform sampler2D source_exposure; + +#ifdef FINAL_PASS +layout(set = 1, binding = 0) uniform sampler2D prev_luminance; +#endif + +layout(location = 0) out highp float luminance; + +void main() { + ivec2 dest_pos = ivec2(uv_interp * settings.dest_size); + ivec2 src_pos = ivec2(uv_interp * settings.source_size); + + ivec2 next_pos = (dest_pos + ivec2(1)) * settings.source_size / settings.dest_size; + next_pos = max(next_pos, src_pos + ivec2(1)); //so it at least reads one pixel + + highp vec3 source_color = vec3(0.0); + for (int i = src_pos.x; i < next_pos.x; i++) { + for (int j = src_pos.y; j < next_pos.y; j++) { + source_color += texelFetch(source_exposure, ivec2(i, j), 0).rgb; + } + } + + source_color /= float((next_pos.x - src_pos.x) * (next_pos.y - src_pos.y)); + +#ifdef FIRST_PASS + luminance = max(source_color.r, max(source_color.g, source_color.b)); + + // This formula should be more "accurate" but gave an overexposed result when testing. + // Leaving it here so we can revisit it if we want. + // luminance = source_color.r * 0.21 + source_color.g * 0.71 + source_color.b * 0.07; +#else + luminance = source_color.r; +#endif + +#ifdef FINAL_PASS + // Obtain our target luminance + luminance = clamp(luminance, settings.min_luminance, settings.max_luminance); + + // Now smooth to our transition + highp float prev_lum = texelFetch(prev_luminance, ivec2(0, 0), 0).r; //1 pixel previous luminance + luminance = prev_lum + (luminance - prev_lum) * clamp(settings.exposure_adjust, 0.0, 1.0); +#endif +} diff --git a/servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster_inc.glsl b/servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster_inc.glsl new file mode 100644 index 0000000000..b8860f6518 --- /dev/null +++ b/servers/rendering/renderer_rd/shaders/effects/luminance_reduce_raster_inc.glsl @@ -0,0 +1,11 @@ + +layout(push_constant, std430) uniform PushConstant { + ivec2 source_size; + ivec2 dest_size; + + float exposure_adjust; + float min_luminance; + float max_luminance; + uint pad1; +} +settings; diff --git a/servers/rendering/renderer_rd/shaders/effects/screen_space_reflection.glsl b/servers/rendering/renderer_rd/shaders/effects/screen_space_reflection.glsl index 9d8294a7da..631d1968b0 100644 --- a/servers/rendering/renderer_rd/shaders/effects/screen_space_reflection.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/screen_space_reflection.glsl @@ -66,6 +66,19 @@ void main() { vec4 normal_roughness = imageLoad(source_normal_roughness, ssC); vec3 normal = normal_roughness.xyz * 2.0 - 1.0; + float roughness = normal_roughness.w; + + // The roughness cutoff of 0.6 is chosen to match the roughness fadeout from GH-69828. + if (roughness > 0.6) { + // Do not compute SSR for rough materials to improve performance at the cost of + // subtle artifacting. +#ifdef MODE_ROUGH + imageStore(blur_radius_image, ssC, vec4(0.0)); +#endif + imageStore(ssr_image, ssC, vec4(0.0)); + return; + } + normal = normalize(normal); normal.y = -normal.y; //because this code reads flipped @@ -81,8 +94,6 @@ void main() { imageStore(ssr_image, ssC, vec4(0.0)); return; } - //ray_dir = normalize(view_dir - normal * dot(normal,view_dir) * 2.0); - //ray_dir = normalize(vec3(1.0, 1.0, -1.0)); //////////////// @@ -212,6 +223,9 @@ void main() { float grad = (steps_taken + 1.0) / float(params.num_steps); float initial_fade = params.curve_fade_in == 0.0 ? 1.0 : pow(clamp(grad, 0.0, 1.0), params.curve_fade_in); float fade = pow(clamp(1.0 - grad, 0.0, 1.0), params.distance_fade) * initial_fade; + // This is an ad-hoc term to fade out the SSR as roughness increases. Values used + // are meant to match the visual appearance of a ReflectionProbe. + float roughness_fade = smoothstep(0.4, 0.7, 1.0 - normal_roughness.w); final_pos = pos; vec4 final_color; @@ -220,7 +234,6 @@ void main() { // if roughness is enabled, do screen space cone tracing float blur_radius = 0.0; - float roughness = normal_roughness.w; if (roughness > 0.001) { float cone_angle = min(roughness, 0.999) * M_PI * 0.5; @@ -246,7 +259,7 @@ void main() { #endif // MODE_ROUGH - final_color = vec4(imageLoad(source_diffuse, ivec2(final_pos - 0.5)).rgb, fade * margin_blend); + final_color = vec4(imageLoad(source_diffuse, ivec2(final_pos - 0.5)).rgb, fade * margin_blend * roughness_fade); // Schlick term. float metallic = texelFetch(source_metallic, ssC << 1, 0).w; diff --git a/servers/rendering/renderer_rd/shaders/effects/ss_effects_downsample.glsl b/servers/rendering/renderer_rd/shaders/effects/ss_effects_downsample.glsl index 134aae5ce7..b1ff46dd3b 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ss_effects_downsample.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ss_effects_downsample.glsl @@ -56,7 +56,7 @@ vec4 screen_space_to_view_space_depth(vec4 p_depth) { float depth_linearize_mul = params.z_near; float depth_linearize_add = params.z_far; - // Optimised version of "-cameraClipNear / (cameraClipFar - projDepth * (cameraClipFar - cameraClipNear)) * cameraClipFar" + // Optimized version of "-cameraClipNear / (cameraClipFar - projDepth * (cameraClipFar - cameraClipNear)) * cameraClipFar" // Set your depth_linearize_mul and depth_linearize_add to: // depth_linearize_mul = ( cameraClipFar * cameraClipNear) / ( cameraClipFar - cameraClipNear ); diff --git a/servers/rendering/renderer_rd/shaders/effects/ssao.glsl b/servers/rendering/renderer_rd/shaders/effects/ssao.glsl index 2a87e273bc..ffaa6872c9 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssao.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssao.glsl @@ -221,7 +221,7 @@ void SSAOTap(const int p_quality_level, inout float r_obscurance_sum, inout floa // snap to pixel center (more correct obscurance math, avoids artifacts) sample_offset = round(sample_offset); - // calculate MIP based on the sample distance from the centre, similar to as described + // calculate MIP based on the sample distance from the center, similar to as described // in http://graphics.cs.williams.edu/papers/SAOHPG12/. float mip_level = (p_quality_level < SSAO_DEPTH_MIPS_ENABLE_AT_QUALITY_PRESET) ? (0) : (sample_pow_2_len + p_mip_offset); @@ -259,7 +259,7 @@ void generate_SSAO_shadows_internal(out float r_shadow_term, out vec4 r_edges, o // get this pixel's viewspace depth pix_z = valuesUL.y; - // get left right top bottom neighbouring pixels for edge detection (gets compiled out on quality_level == 0) + // get left right top bottom neighboring pixels for edge detection (gets compiled out on quality_level == 0) pix_left_z = valuesUL.x; pix_top_z = valuesUL.z; pix_right_z = valuesBR.z; @@ -304,7 +304,7 @@ void generate_SSAO_shadows_internal(out float r_shadow_term, out vec4 r_edges, o float obscurance_sum = 0.0; float weight_sum = 0.0; - // edge mask for between this and left/right/top/bottom neighbour pixels - not used in quality level 0 so initialize to "no edge" (1 is no edge, 0 is edge) + // edge mask for between this and left/right/top/bottom neighbor pixels - not used in quality level 0 so initialize to "no edge" (1 is no edge, 0 is edge) vec4 edgesLRTB = vec4(1.0, 1.0, 1.0, 1.0); // Move center pixel slightly towards camera to avoid imprecision artifacts due to using of 16bit depth buffer; a lot smaller offsets needed when using 32bit floats @@ -318,7 +318,7 @@ void generate_SSAO_shadows_internal(out float r_shadow_term, out vec4 r_edges, o if (!p_adaptive_base && (p_quality_level >= SSAO_DETAIL_AO_ENABLE_AT_QUALITY_PRESET)) { // disable in case of quality level 4 (reference) if (p_quality_level != 4) { - //approximate neighbouring pixels positions (actually just deltas or "positions - pix_center_pos" ) + //approximate neighboring pixels positions (actually just deltas or "positions - pix_center_pos" ) vec3 normalized_viewspace_dir = vec3(pix_center_pos.xy / pix_center_pos.zz, 1.0); vec3 pixel_left_delta = vec3(-pixel_size_at_center.x, 0.0, 0.0) + normalized_viewspace_dir * (pix_left_z - pix_center_pos.z); vec3 pixel_right_delta = vec3(+pixel_size_at_center.x, 0.0, 0.0) + normalized_viewspace_dir * (pix_right_z - pix_center_pos.z); diff --git a/servers/rendering/renderer_rd/shaders/effects/ssao_importance_map.glsl b/servers/rendering/renderer_rd/shaders/effects/ssao_importance_map.glsl index 04f98964e8..d234ab4417 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssao_importance_map.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssao_importance_map.glsl @@ -80,7 +80,7 @@ void main() { #ifdef PROCESS_MAPA vec2 uv = (vec2(ssC) + 0.5f) * params.half_screen_pixel_size * 2.0; - float centre = textureLod(source_importance, uv, 0.0).x; + float center = textureLod(source_importance, uv, 0.0).x; vec2 half_pixel = params.half_screen_pixel_size; @@ -98,7 +98,7 @@ void main() { #ifdef PROCESS_MAPB vec2 uv = (vec2(ssC) + 0.5f) * params.half_screen_pixel_size * 2.0; - float centre = textureLod(source_importance, uv, 0.0).x; + float center = textureLod(source_importance, uv, 0.0).x; vec2 half_pixel = params.half_screen_pixel_size; diff --git a/servers/rendering/renderer_rd/shaders/effects/ssao_interleave.glsl b/servers/rendering/renderer_rd/shaders/effects/ssao_interleave.glsl index f6a9a92fac..45cc62d361 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssao_interleave.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssao_interleave.glsl @@ -60,8 +60,8 @@ void main() { int mx = int(pix_pos.x % 2); int my = int(pix_pos.y % 2); int index_center = mx + my * 2; // center index - int index_horizontal = (1 - mx) + my * 2; // neighbouring, horizontal - int index_vertical = mx + (1 - my) * 2; // neighbouring, vertical + int index_horizontal = (1 - mx) + my * 2; // neighboring, horizontal + int index_vertical = mx + (1 - my) * 2; // neighboring, vertical int index_diagonal = (1 - mx) + (1 - my) * 2; // diagonal vec2 center_val = texelFetch(source_texture, ivec3(pix_pos / uvec2(params.size_modifier), index_center), 0).xy; diff --git a/servers/rendering/renderer_rd/shaders/effects/ssil.glsl b/servers/rendering/renderer_rd/shaders/effects/ssil.glsl index 513791dfbf..de7b97953f 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssil.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssil.glsl @@ -234,7 +234,7 @@ void SSILTap(const int p_quality_level, inout vec3 r_color_sum, inout float r_ob // snap to pixel center (more correct obscurance math, avoids artifacts) sample_offset = round(sample_offset); - // calculate MIP based on the sample distance from the centre, similar to as described + // calculate MIP based on the sample distance from the center, similar to as described // in http://graphics.cs.williams.edu/papers/SAOHPG12/. float mip_level = (p_quality_level < SSIL_DEPTH_MIPS_ENABLE_AT_QUALITY_PRESET) ? (0) : (sample_pow_2_len + p_mip_offset); @@ -272,7 +272,7 @@ void generate_SSIL(out vec3 r_color, out vec4 r_edges, out float r_obscurance, o // get this pixel's viewspace depth pix_z = valuesUL.y; - // get left right top bottom neighbouring pixels for edge detection (gets compiled out on quality_level == 0) + // get left right top bottom neighboring pixels for edge detection (gets compiled out on quality_level == 0) pix_left_z = valuesUL.x; pix_top_z = valuesUL.z; pix_right_z = valuesBR.z; @@ -318,7 +318,7 @@ void generate_SSIL(out vec3 r_color, out vec4 r_edges, out float r_obscurance, o float obscurance_sum = 0.0; float weight_sum = 0.0; - // edge mask for between this and left/right/top/bottom neighbour pixels - not used in quality level 0 so initialize to "no edge" (1 is no edge, 0 is edge) + // edge mask for between this and left/right/top/bottom neighbor pixels - not used in quality level 0 so initialize to "no edge" (1 is no edge, 0 is edge) vec4 edgesLRTB = vec4(1.0, 1.0, 1.0, 1.0); // Move center pixel slightly towards camera to avoid imprecision artifacts due to using of 16bit depth buffer; a lot smaller offsets needed when using 32bit floats diff --git a/servers/rendering/renderer_rd/shaders/effects/ssil_blur.glsl b/servers/rendering/renderer_rd/shaders/effects/ssil_blur.glsl index 47c56571f6..f48e6c4341 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssil_blur.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssil_blur.glsl @@ -124,14 +124,14 @@ void main() { vec2 uv = (vec2(gl_GlobalInvocationID.xy) + vec2(0.5, 0.5)) * params.half_screen_pixel_size; - vec4 centre = textureLod(source_ssil, uv, 0.0); + vec4 center = textureLod(source_ssil, uv, 0.0); vec4 value = textureLod(source_ssil, vec2(uv + vec2(-half_pixel.x * 3, -half_pixel.y)), 0.0) * 0.2; value += textureLod(source_ssil, vec2(uv + vec2(+half_pixel.x, -half_pixel.y * 3)), 0.0) * 0.2; value += textureLod(source_ssil, vec2(uv + vec2(-half_pixel.x, +half_pixel.y * 3)), 0.0) * 0.2; value += textureLod(source_ssil, vec2(uv + vec2(+half_pixel.x * 3, +half_pixel.y)), 0.0) * 0.2; - vec4 sampled = value + centre * 0.2; + vec4 sampled = value + center * 0.2; #else #ifdef MODE_SMART diff --git a/servers/rendering/renderer_rd/shaders/effects/ssil_importance_map.glsl b/servers/rendering/renderer_rd/shaders/effects/ssil_importance_map.glsl index 6b6b02739d..193e3458ab 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssil_importance_map.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssil_importance_map.glsl @@ -82,7 +82,7 @@ void main() { #ifdef PROCESS_MAPA vec2 uv = (vec2(ssC) + 0.5) * params.half_screen_pixel_size * 2.0; - float centre = textureLod(source_importance, uv, 0.0).x; + float center = textureLod(source_importance, uv, 0.0).x; vec2 half_pixel = params.half_screen_pixel_size; @@ -100,7 +100,7 @@ void main() { #ifdef PROCESS_MAPB vec2 uv = (vec2(ssC) + 0.5f) * params.half_screen_pixel_size * 2.0; - float centre = textureLod(source_importance, uv, 0.0).x; + float center = textureLod(source_importance, uv, 0.0).x; vec2 half_pixel = params.half_screen_pixel_size; diff --git a/servers/rendering/renderer_rd/shaders/effects/ssil_interleave.glsl b/servers/rendering/renderer_rd/shaders/effects/ssil_interleave.glsl index 9e86ac0cf0..ed85b8ee4c 100644 --- a/servers/rendering/renderer_rd/shaders/effects/ssil_interleave.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/ssil_interleave.glsl @@ -62,8 +62,8 @@ void main() { int mx = int(pix_pos.x % 2); int my = int(pix_pos.y % 2); int index_center = mx + my * 2; // center index - int index_horizontal = (1 - mx) + my * 2; // neighbouring, horizontal - int index_vertical = mx + (1 - my) * 2; // neighbouring, vertical + int index_horizontal = (1 - mx) + my * 2; // neighboring, horizontal + int index_vertical = mx + (1 - my) * 2; // neighboring, vertical int index_diagonal = (1 - mx) + (1 - my) * 2; // diagonal vec4 color = texelFetch(source_texture, ivec3(pix_pos / uvec2(params.size_modifier), index_center), 0); diff --git a/servers/rendering/renderer_rd/shaders/effects/vrs.glsl b/servers/rendering/renderer_rd/shaders/effects/vrs.glsl index 5ef83c0b44..b450bb9fe9 100644 --- a/servers/rendering/renderer_rd/shaders/effects/vrs.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/vrs.glsl @@ -63,10 +63,18 @@ void main() { #ifdef MULTIVIEW vec4 color = textureLod(source_color, uv, 0.0); + frag_color = uint(color.r * 255.0); #else /* MULTIVIEW */ vec4 color = textureLod(source_color, uv, 0.0); -#endif /* MULTIVIEW */ - // See if we can change the sampler to one that returns int... - frag_color = uint(color.r * 256.0); + // for user supplied VRS map we do a color mapping + color.r *= 3.0; + frag_color = int(color.r) << 2; + + color.g *= 3.0; + frag_color += int(color.g); + + // note 1x4, 4x1, 1x8, 8x1, 2x8 and 8x2 are not supported + // 4x8, 8x4 and 8x8 are only available on some GPUs +#endif /* MULTIVIEW */ } |