[Zoom blur] Add step rendering mode.

PixelComposer.resource_order

@@ -268,6 +268,7 @@
     {"name":"rotator","order":2,"path":"folders/widgets/rotator.yy",},
     {"name":"sliders","order":3,"path":"folders/widgets/sliders.yy",},
     {"name":"text","order":4,"path":"folders/widgets/text.yy",},
+    {"name":"blur zoom","order":23,"path":"folders/nodes/data/filter/blur/blur zoom.yy",},
   ],
   "ResourceOrderSettings":[
     {"name":"ac_disappear","order":2,"path":"animcurves/ac_disappear/ac_disappear.yy",},
@@ -769,7 +770,7 @@
     {"name":"node_blur_shape","order":17,"path":"scripts/node_blur_shape/node_blur_shape.yy",},
     {"name":"node_blur_simple","order":19,"path":"scripts/node_blur_simple/node_blur_simple.yy",},
     {"name":"node_blur_slope","order":21,"path":"scripts/node_blur_slope/node_blur_slope.yy",},
-    {"name":"node_blur_zoom","order":23,"path":"scripts/node_blur_zoom/node_blur_zoom.yy",},
+    {"name":"node_blur_zoom","order":22,"path":"scripts/node_blur_zoom/node_blur_zoom.yy",},
     {"name":"node_blur","order":4,"path":"scripts/node_blur/node_blur.yy",},
     {"name":"node_boolean","order":17,"path":"scripts/node_boolean/node_boolean.yy",},
     {"name":"node_box_pattern","order":22,"path":"scripts/node_box_pattern/node_box_pattern.yy",},
@@ -943,6 +944,7 @@
     {"name":"node_lua_global","order":1,"path":"scripts/node_lua_global/node_lua_global.yy",},
     {"name":"node_lua_surface","order":2,"path":"scripts/node_lua_surface/node_lua_surface.yy",},
     {"name":"node_math","order":2,"path":"scripts/node_math/node_math.yy",},
+    {"name":"sh_blur_slope","order":21,"path":"shaders/sh_blur_slope/sh_blur_slope.yy",},
     {"name":"node_matrix_color_apply","order":7,"path":"scripts/node_matrix_color_apply/node_matrix_color_apply.yy",},
     {"name":"node_matrix_det","order":2,"path":"scripts/node_matrix_det/node_matrix_det.yy",},
     {"name":"node_matrix_invert","order":3,"path":"scripts/node_matrix_invert/node_matrix_invert.yy",},
@@ -1521,8 +1523,6 @@
     {"name":"sh_blur_radial","order":16,"path":"shaders/sh_blur_radial/sh_blur_radial.yy",},
     {"name":"sh_blur_shape","order":18,"path":"shaders/sh_blur_shape/sh_blur_shape.yy",},
     {"name":"sh_blur_simple","order":20,"path":"shaders/sh_blur_simple/sh_blur_simple.yy",},
-    {"name":"sh_blur_slope","order":22,"path":"shaders/sh_blur_slope/sh_blur_slope.yy",},
-    {"name":"sh_blur_zoom","order":24,"path":"shaders/sh_blur_zoom/sh_blur_zoom.yy",},
     {"name":"sh_box_pattern","order":23,"path":"shaders/sh_box_pattern/sh_box_pattern.yy",},
     {"name":"sh_brush_linear","order":47,"path":"shaders/sh_brush_linear/sh_brush_linear.yy",},
     {"name":"sh_brush_outline","order":7,"path":"shaders/sh_brush_outline/sh_brush_outline.yy",},
@@ -1894,6 +1894,7 @@
     {"name":"s_node_3d_light_directional","order":18,"path":"sprites/s_node_3d_light_directional/s_node_3d_light_directional.yy",},
     {"name":"s_node_3d_light_point","order":19,"path":"sprites/s_node_3d_light_point/s_node_3d_light_point.yy",},
     {"name":"s_node_3d_material","order":13,"path":"sprites/s_node_3d_material/s_node_3d_material.yy",},
+    {"name":"sh_blur_zoom_step","order":1,"path":"shaders/sh_blur_zoom_step/sh_blur_zoom_step.yy",},
     {"name":"s_node_3d_mesh_cone","order":9,"path":"sprites/s_node_3d_mesh_cone/s_node_3d_mesh_cone.yy",},
     {"name":"s_node_3d_mesh_cylinder","order":1,"path":"sprites/s_node_3d_mesh_cylinder/s_node_3d_mesh_cylinder.yy",},
     {"name":"s_node_3d_mesh_export","order":31,"path":"sprites/s_node_3d_mesh_export/s_node_3d_mesh_export.yy",},

PixelComposer.yyp

@@ -346,6 +346,7 @@
     {"$GMFolder":"","%Name":"rotator","folderPath":"folders/widgets/rotator.yy","name":"rotator","resourceType":"GMFolder","resourceVersion":"2.0",},
     {"$GMFolder":"","%Name":"sliders","folderPath":"folders/widgets/sliders.yy","name":"sliders","resourceType":"GMFolder","resourceVersion":"2.0",},
     {"$GMFolder":"","%Name":"text","folderPath":"folders/widgets/text.yy","name":"text","resourceType":"GMFolder","resourceVersion":"2.0",},
+    {"$GMFolder":"","%Name":"blur zoom","folderPath":"folders/nodes/data/filter/blur/blur zoom.yy","name":"blur zoom","resourceType":"GMFolder","resourceVersion":"2.0",},
   ],
   "IncludedFiles":[
     {"$GMIncludedFile":"","%Name":"Addons.zip","CopyToMask":-1,"filePath":"datafiles/data","name":"Addons.zip","resourceType":"GMIncludedFile","resourceVersion":"2.0",},
@@ -3518,6 +3519,7 @@
     {"id":{"name":"s_node_mk_saber","path":"sprites/s_node_mk_saber/s_node_mk_saber.yy",},},
     {"id":{"name":"s_node_mk_sparkle","path":"sprites/s_node_mk_sparkle/s_node_mk_sparkle.yy",},},
     {"id":{"name":"s_node_mk_subpixel","path":"sprites/s_node_mk_subpixel/s_node_mk_subpixel.yy",},},
+    {"id":{"name":"sh_blur_zoom_step","path":"shaders/sh_blur_zoom_step/sh_blur_zoom_step.yy",},},
     {"id":{"name":"s_node_mk_tile","path":"sprites/s_node_mk_tile/s_node_mk_tile.yy",},},
     {"id":{"name":"s_node_monitor_capture","path":"sprites/s_node_monitor_capture/s_node_monitor_capture.yy",},},
     {"id":{"name":"s_node_morph_surface","path":"sprites/s_node_morph_surface/s_node_morph_surface.yy",},},

scripts/node_blur_zoom/node_blur_zoom.gml

@@ -12,7 +12,7 @@ function Node_Blur_Zoom(_x, _y, _group = noone) : Node_Processor(_x, _y, _group)
 	newInput(3, nodeValue_Enum_Scroll("Oversample mode", self,  0, [ "Empty", "Clamp", "Repeat" ]))
 		.setTooltip("How to deal with pixel outside the surface.\n    - Empty: Use empty pixel\n    - Clamp: Repeat edge pixel\n    - Repeat: Repeat texture.");
 		
-	newInput(4, nodeValue_Enum_Scroll("Zoom mode", self,  1, [ "Start", "Middle", "End" ]));
+	newInput(4, nodeValue_Enum_Scroll("Zoom origin", self,  1, [ "Start", "Middle", "End" ]));
 		
 	newInput(5, nodeValue_Surface("Blur mask", self));
 	
@@ -38,11 +38,14 @@ function Node_Blur_Zoom(_x, _y, _group = noone) : Node_Processor(_x, _y, _group)
 	
 	newInput(14, nodeValue_Int("Samples", self, 64));
 	
+	newInput(15, nodeValue_Enum_Button("Mode", self, 0, [ "Blur", "Step" ]));
+	
 	newOutput(0, nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone));
 	
 	input_display_list = [ 8, 9,
-		["Surfaces", true],	0, 6, 7, 10, 11, 
-		["Blur",	false],	1, 12, 2, 4, 5, 13, 14, 
+		["Surfaces", true],	0, 6, 7, 10, 11, 5, 
+		["Blur",	false],	15, 4, 1, 12, 2, 
+		["Render",	false],	14, 13, 
 	];
 	
 	attribute_surface_depth();
@@ -73,7 +76,7 @@ function Node_Blur_Zoom(_x, _y, _group = noone) : Node_Processor(_x, _y, _group)
 		_cen[0] /= surface_get_width_safe(_outSurf);
 		_cen[1] /= surface_get_height_safe(_outSurf);
 		
-		surface_set_shader(_outSurf, sh_blur_zoom);
+		surface_set_shader(_outSurf, _data[15]? sh_blur_zoom_step : sh_blur_zoom);
 			shader_set_2("center",       _cen);
 			shader_set_f_map("strength", _data[1], _data[12], inputs[1]);
 			shader_set_i("blurMode",     _data[4]);

shaders/sh_blur_zoom/sh_blur_zoom.fsh

@@ -50,13 +50,13 @@ uniform sampler2D mask;
 	}
 #endregion
 
-float sampleMask() { #region
+float sampleMask() {
 	if(useMask == 0) return 1.;
 	vec4 m = texture2D( mask, v_vTexcoord );
 	return (m.r + m.g + m.b) / 3. * m.a;
-} #endregion
+}
 
-void main() { #region
+void main() {
 	float str = strength.x;
 	if(strengthUseSurf == 1) {
 		vec4 _vMap = texture2D( strengthSurf, v_vTexcoord );
@@ -88,4 +88,4 @@ void main() { #region
     if(gamma == 1) color.rgb = pow(color.rgb, vec3(1. / 2.2));
     
 	gl_FragColor = color;
-} #endregion
+}

shaders/sh_blur_zoom/sh_blur_zoom.yy

@@ -3,8 +3,8 @@
   "%Name":"sh_blur_zoom",
   "name":"sh_blur_zoom",
   "parent":{
-    "name":"blur",
-    "path":"folders/nodes/data/filter/blur.yy",
+    "name":"blur zoom",
+    "path":"folders/nodes/data/filter/blur/blur zoom.yy",
   },
   "resourceType":"GMShader",
   "resourceVersion":"2.0",

shaders/sh_blur_zoom_step/sh_blur_zoom_step.fsh

@@ -0,0 +1,90 @@
+#pragma use(sampler_simple)
+
+#region -- sampler_simple -- [1729740692.1417658]
+    uniform int  sampleMode;
+    
+    vec4 sampleTexture( sampler2D texture, vec2 pos) {
+        if(pos.x >= 0. && pos.y >= 0. && pos.x <= 1. && pos.y <= 1.)
+            return texture2D(texture, pos);
+        
+             if(sampleMode <= 1) return vec4(0.);
+        else if(sampleMode == 2) return texture2D(texture, clamp(pos, 0., 1.));
+        else if(sampleMode == 3) return texture2D(texture, fract(pos));
+        else if(sampleMode == 4) return vec4(vec3(0.), 1.);
+        
+        return vec4(0.);
+    }
+#endregion -- sampler_simple --
+
+varying vec2 v_vTexcoord;
+varying vec4 v_vColour;
+uniform int  samples;
+
+uniform vec2  center;
+uniform int   blurMode;
+uniform int   gamma;
+
+uniform vec2      strength;
+uniform int       strengthUseSurf;
+uniform sampler2D strengthSurf;
+
+uniform int useMask;
+uniform sampler2D mask;
+
+#region ==== PARAM DRIVER ====
+	#define PARAM_COUNT 1
+	uniform int       parameter_active[PARAM_COUNT];
+	uniform sampler2D parameters;
+
+	float sampleParameter(in int index, in float def) {
+		if(parameter_active[index] == 0) return def;
+		float row  = floor(float(index) / 4.);
+		vec2 coord = (v_vTexcoord + vec2(float(index) - row * 4., row)) * 0.25;
+		vec4 col = texture2D( parameters, coord );
+		
+		float _val = col.r;
+		float _min = col.g * 256. - 128.;
+		float _max = col.b * 256. - 128.;
+		
+		return mix(_min, _max, _val);
+	}
+#endregion
+
+float sampleMask() {
+	if(useMask == 0) return 1.;
+	vec4 m = texture2D( mask, v_vTexcoord );
+	return (m.r + m.g + m.b) / 3. * m.a;
+}
+
+void main() {
+	float str = strength.x;
+	if(strengthUseSurf == 1) {
+		vec4 _vMap = texture2D( strengthSurf, v_vTexcoord );
+		str = mix(strength.x, strength.y, (_vMap.r + _vMap.g + _vMap.b) / 3.);
+	}
+	
+    vec2 uv = v_vTexcoord - center;
+	
+	float _str         = sampleParameter(0, str) * sampleMask();
+	float nsamples     = float(samples);
+	float scale_factor = _str * (1. / (nsamples * 2. - 1.));
+    float blrStart     = 0.;
+	
+	if(blurMode == 0)		blrStart = 0.;
+	else if(blurMode == 1)	blrStart = -nsamples;
+	else if(blurMode == 2)	blrStart = -nsamples * 2. - 1.;
+	
+	vec4 color = vec4(0.0);
+    for(float i = 0.; i < nsamples * 2. + 1.; i++) {
+        float scale = 1.0 + ((blrStart + i) * scale_factor);
+		vec2 pos    = uv * scale + center;
+		
+		vec4 col = sampleTexture( gm_BaseTexture, pos );
+		if(col.a > 0.) {
+			color = col;
+			break;
+		}
+    }
+    
+	gl_FragColor = color;
+}

shaders/sh_blur_zoom_step/sh_blur_zoom_step.vsh

@@ -0,0 +1,14 @@
+attribute vec3 in_Position; // (x, y, z)
+attribute vec4 in_Colour; // (r, g, b, a)
+attribute vec2 in_TextureCoord; // (u, v)
+
+varying vec2 v_vTexcoord;
+varying vec4 v_vColour;
+
+void main() {
+	vec4 object_space_pos = vec4(in_Position.x, in_Position.y, in_Position.z, 1.0);
+	gl_Position = gm_Matrices[MATRIX_WORLD_VIEW_PROJECTION] * object_space_pos;
+
+	v_vColour = in_Colour;
+	v_vTexcoord = in_TextureCoord;
+}

shaders/sh_blur_zoom_step/sh_blur_zoom_step.yy

@@ -0,0 +1,13 @@
+{
+  "$GMShader":"",
+  "%Name":"sh_blur_zoom_step",
+  "name":"sh_blur_zoom_step",
+  "parent":{
+    "name":"blur zoom",
+    "path":"folders/nodes/data/filter/blur/blur zoom.yy",
+  },
+  "resourceType":"GMShader",
+  "resourceVersion":"2.0",
+  "tags":[],
+  "type":1,
+}