1 files changed, 0 insertions, 149 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/effect_reflection_trace_frag.glsl b/source/blender/draw/engines/eevee/shaders/effect_reflection_trace_frag.glsl
deleted file mode 100644
index 2f1efd588f7..00000000000
--- a/source/blender/draw/engines/eevee/shaders/effect_reflection_trace_frag.glsl
+++ /dev/null
@@ -1,149 +0,0 @@
-
-#pragma BLENDER_REQUIRE(common_math_lib.glsl)
-#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl)
-#pragma BLENDER_REQUIRE(common_utiltex_lib.glsl)
-#pragma BLENDER_REQUIRE(raytrace_lib.glsl)
-#pragma BLENDER_REQUIRE(lightprobe_lib.glsl)
-#pragma BLENDER_REQUIRE(bsdf_sampling_lib.glsl)
-#pragma BLENDER_REQUIRE(effect_reflection_lib.glsl)
-
-/* Based on:
- * "Stochastic Screen Space Reflections"
- * by Tomasz Stachowiak.
- * https://www.ea.com/frostbite/news/stochastic-screen-space-reflections
- * and
- * "Stochastic all the things: raytracing in hybrid real-time rendering"
- * by Tomasz Stachowiak.
- * https://media.contentapi.ea.com/content/dam/ea/seed/presentations/dd18-seed-raytracing-in-hybrid-real-time-rendering.pdf
- */
-
-uniform sampler2D normalBuffer;
-uniform sampler2D specroughBuffer;
-uniform vec2 targetSize;
-uniform float randomScale;
-
-in vec4 uvcoordsvar;
-
-layout(location = 0) out vec4 hitData;
-layout(location = 1) out float hitDepth;
-
-void main()
-{
-  vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy);
-  /* Decorrelate from AA. */
-  /* TODO(fclem) we should use a more general approach for more random number dimensions. */
-  vec2 random_px = floor(fract(rand.xy * 2.2074408460575947536) * 1.99999) - 0.5;
-  rand.xy = fract(rand.xy * 3.2471795724474602596);
-
-  /* Randomly choose the pixel to start the ray from when tracing at lower resolution.
-   * This method also make sure we always start from the center of a fullres texel. */
-  vec2 uvs = (gl_FragCoord.xy + random_px * randomScale) / (targetSize * ssrUvScale);
-
-  float depth = textureLod(maxzBuffer, uvs * hizUvScale.xy, 0.0).r;
-
-  HitData data;
-  data.is_planar = false;
-  data.ray_pdf_inv = 0.0;
-  data.is_hit = false;
-  data.hit_dir = vec3(0.0, 0.0, 0.0);
-  /* Default: not hits. */
-  encode_hit_data(data, data.hit_dir, data.hit_dir, hitData, hitDepth);
-
-  /* Early out */
-  /* We can't do discard because we don't clear the render target. */
-  if (depth == 1.0) {
-    return;
-  }
-
-  /* Using view space */
-  vec3 vP = get_view_space_from_depth(uvs, depth);
-  vec3 P = transform_point(ViewMatrixInverse, vP);
-  vec3 vV = viewCameraVec(vP);
-  vec3 V = cameraVec(P);
-  vec3 vN = normal_decode(texture(normalBuffer, uvs, 0).rg, vV);
-  vec3 N = transform_direction(ViewMatrixInverse, vN);
-
-  /* Retrieve pixel data */
-  vec4 speccol_roughness = texture(specroughBuffer, uvs, 0).rgba;
-
-  /* Early out */
-  if (dot(speccol_roughness.rgb, vec3(1.0)) == 0.0) {
-    return;
-  }
-
-  float roughness = speccol_roughness.a;
-  float alpha = max(1e-3, roughness * roughness);
-
-  /* Early out */
-  if (roughness > ssrMaxRoughness + 0.2) {
-    return;
-  }
-
-  /* Planar Reflections */
-  int planar_id = -1;
-  for (int i = 0; i < MAX_PLANAR && i < prbNumPlanar; i++) {
-    PlanarData pd = planars_data[i];
-
-    float fade = probe_attenuation_planar(pd, P);
-    fade *= probe_attenuation_planar_normal_roughness(pd, N, 0.0);
-
-    if (fade > 0.5) {
-      /* Find view vector / reflection plane intersection. */
-      /* TODO: optimize, use view space for all. */
-      vec3 P_plane = line_plane_intersect(P, V, pd.pl_plane_eq);
-      vP = transform_point(ViewMatrix, P_plane);
-
-      planar_id = i;
-      data.is_planar = true;
-      break;
-    }
-  }
-
-  /* Gives *perfect* reflection for very small roughness */
-  if (roughness < 0.04) {
-    rand.xzw *= 0.0;
-  }
-  /* Importance sampling bias */
-  rand.x = mix(rand.x, 0.0, ssrBrdfBias);
-
-  vec3 vT, vB;
-  make_orthonormal_basis(vN, vT, vB); /* Generate tangent space */
-
-  float pdf;
-  vec3 vH = sample_ggx(rand.xzw, alpha, vV, vN, vT, vB, pdf);
-  vec3 vR = reflect(-vV, vH);
-
-  if (isnan(pdf)) {
-    /* Seems that somethings went wrong.
-     * This only happens on extreme cases where the normal deformed too much to have any valid
-     * reflections. */
-    return;
-  }
-
-  if (data.is_planar) {
-    vec3 view_plane_normal = transform_direction(ViewMatrix, planars_data[planar_id].pl_normal);
-    /* For planar reflections, we trace inside the reflected view. */
-    vR = reflect(vR, view_plane_normal);
-  }
-
-  Ray ray;
-  ray.origin = vP;
-  ray.direction = vR * 1e16;
-
-  RayTraceParameters params;
-  params.thickness = ssrThickness;
-  params.jitter = rand.y;
-  params.trace_quality = ssrQuality;
-  params.roughness = alpha * alpha;
-
-  vec3 hit_sP;
-  if (data.is_planar) {
-    data.is_hit = raytrace_planar(ray, params, planar_id, hit_sP);
-  }
-  else {
-    data.is_hit = raytrace(ray, params, true, false, hit_sP);
-  }
-  data.ray_pdf_inv = safe_rcp(pdf);
-
-  encode_hit_data(data, hit_sP, ray.origin, hitData, hitDepth);
-}