Ex25 CentralLimitBoxBlur update.

25.Blur/BlurPassHorizontal.comp

@@ -0,0 +1,29 @@
+#include "nbl/builtin/glsl/ext/CentralLimitBoxBlur/parameters.glsl"
+
+#define _NBL_GLSL_EXT_BLUR_INPUT_SET_DEFINED_ 0
+#define _NBL_GLSL_EXT_BLUR_INPUT_BINDING_DEFINED_ 0
+
+layout (set = _NBL_GLSL_EXT_BLUR_INPUT_SET_DEFINED_, binding = _NBL_GLSL_EXT_BLUR_INPUT_BINDING_DEFINED_) uniform sampler2D in_image;
+#define _NBL_GLSL_EXT_BLUR_INPUT_DESCRIPTOR_DEFINED_
+
+float downscale(in vec2 tex_coords, in uint channel)
+{
+	return (texture(in_image, tex_coords)[channel] + textureOffset(in_image, tex_coords, ivec2(1, 0))[channel] + textureOffset(in_image, tex_coords, ivec2(0, 1))[channel]
+			+ textureOffset(in_image, tex_coords, ivec2(1, 1))[channel]) / 4.f;
+}
+
+float nbl_glsl_ext_Blur_getPaddedData(in uvec3 coordinate, in uint channel)
+{
+	const uvec2 image_dims = nbl_glsl_ext_Blur_Parameters_t_getDimensions().xy;
+	float data = 0.f;
+	if (all(lessThan(coordinate.xy, image_dims)))
+	{
+		vec2 tex_coords = vec2(coordinate.xy) / vec2(image_dims);
+		data = downscale(tex_coords, channel);
+	}
+
+	return data;
+}
+#define _NBL_GLSL_EXT_BLUR_GET_PADDED_DATA_DEFINED_
+
+#include "nbl/builtin/glsl/ext/CentralLimitBoxBlur/default_compute_blur.comp"

25.Blur/BlurPassVertical.comp

@@ -0,0 +1,20 @@
+#define _NBL_GLSL_EXT_BLUR_OUTPUT_SET_DEFINED_ 0
+#define _NBL_GLSL_EXT_BLUR_OUTPUT_BINDING_DEFINED_ 1
+
+layout (set = _NBL_GLSL_EXT_BLUR_OUTPUT_SET_DEFINED_, binding = _NBL_GLSL_EXT_BLUR_OUTPUT_BINDING_DEFINED_, rgba16f) uniform image2D out_image;
+#define _NBL_GLSL_EXT_BLUR_OUTPUT_DESCRIPTOR_DEFINED_
+
+void nbl_glsl_ext_Blur_setData(in uvec3 coordinate, in uint channel, in float val)
+{
+	const ivec2 image_dims = imageSize(out_image);
+	if (all(lessThan(coordinate.xy, image_dims)))
+	{
+		vec4 color = imageLoad(out_image, ivec2(coordinate.xy));
+		color[channel] = val;
+		imageStore(out_image, ivec2(coordinate.xy), color);
+	}
+}
+
+#define _NBL_GLSL_EXT_BLUR_SET_DATA_DEFINED_
+
+#include "nbl/builtin/glsl/ext/CentralLimitBoxBlur/default_compute_blur.comp"

25.Blur/CMakeLists.txt

@@ -4,4 +4,8 @@ if(NOT RES)
 	message(FATAL_ERROR "common.cmake not found. Should be in {repo_root}/cmake directory")
 endif()
 
-nbl_create_executable_project(../../src/nbl/ext/Blur/CBlurPerformer.cpp "" "" "")
+set(EXAMPLE_SOURCES
+	../../src/nbl/ext/CentralLimitBoxBlur/CBlurPerformer.cpp
+)
+
+nbl_create_executable_project("${EXAMPLE_SOURCES}" "" "" "")

25.Blur/FST.frag

@@ -0,0 +1,18 @@
+#version 460 core
+
+// Copyright (C) 2018-2022 - DevSH Graphics Programming Sp. z O.O.
+// This file is part of the "Nabla Engine".
+// For conditions of distribution and use, see copyright notice in nabla.h
+
+// vertex shader is provided by the fullScreenTriangle extension
+
+layout(set = 3, binding = 0) uniform sampler2D tex0;
+
+layout(location = 0) in vec2 TexCoord;
+
+layout(location = 0) out vec4 pixelColor;
+
+void main()
+{
+    pixelColor = textureLod(tex0,TexCoord,0.0);
+}