furmanlukasz · December 16, 2022 23:44 · May 23, 2021
diff --git a/Simple Looking Glass Scene with extra DoF b/Simple Looking Glass Scene with extra DoF
@@ -0,0 +1,77 @@
+// Great example of the use of Lygia samplers functions https://github.com/patriciogonzalezvivo/lygia/tree/main/sample
+// and GlslViewer https://github.com/patriciogonzalezvivo/glslViewer
+// on the Looking Glass Display 
+
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+uniform sampler2D   u_buffer0;
+uniform sampler2D   u_buffer1;
+
+uniform sampler2D   u_scene;
+uniform sampler2D   u_sceneDepth;
+
+uniform vec3        u_camera;
+uniform float       u_cameraFarClip;
+uniform float       u_cameraNearClip;
+
+uniform vec3        u_holoPlayTile;
+uniform vec4        u_holoPlayCalibration;  // dpi, pitch, slope, center
+uniform vec2        u_holoPlayRB;           // ri, bi
+
+uniform vec3        u_light;
+uniform vec2        u_resolution;
+
+varying vec4        v_position;
+varying vec4        v_color;
+varying vec3        v_normal;
+varying vec2        v_texcoord;
+
+#ifdef LIGHT_SHADOWMAP
+uniform sampler2D   u_lightShadowMap;
+uniform mat4        u_lightMatrix;
+varying vec4        v_lightCoord;
+#endif
+
+#ifdef MODEL_VERTEX_TANGENT
+varying mat3        v_tangentToWorld;
+varying vec4        v_tangent;
+#endif
+
+#include "lygia/space/linearizeDepth.glsl"
+
+// #define TEXTUREDOF_DEBUG
+#define TEXTUREDOF_DEPTH_FNC(UV) linearizeDepth(texture2D(texDepth,UV).r, u_cameraNearClip, u_cameraFarClip * 0.002)
+#include "lygia/sample/textureDoF.glsl"
+#include "lygia/sample/textureShadow.glsl"
+
+#define TEXTUREQUILT_SAMPLE_FNC(UV) textureDoF(u_scene, u_sceneDepth, UV, .835, 10.)
+#include "lygia/sample/textureQuilt.glsl"
+
+void main(void) {
+    vec3 color = vec3(0.0);
+    vec2 uv = v_texcoord;
+    vec2 st = gl_FragCoord.xy/u_resolution.xy;
+    vec2 pixel = 1./u_resolution.xy;
+
+#ifdef BACKGROUND
+    color.rgb += uv.y * 0.2;
+
+#elif defined(POSTPROCESSING)
+    color = textureQuilt(u_scene, u_holoPlayCalibration, u_holoPlayTile, st, u_resolution);
+
+#else
+    color += v_color;
+
+    float shade = smoothstep(-1.0, 1.0, dot(v_normal, normalize(u_light)));
+
+#ifdef LIGHT_SHADOWMAP
+    shade *= 1.0 - step(textureShadow(u_lightShadowMap, v_lightCoord), v_lightCoord.z - 0.005) * 0.5;
+#endif
+    color *= shade;
+
+#endif
+
+    gl_FragColor = vec4(color, 1.0);
+}