ClangFormat: apply to source, most of intern

Apply clang format as proposed in T53211.

For details on usage and instructions for migrating branches
without conflicts, see:

https://wiki.blender.org/wiki/Tools/ClangFormat

1 files changed, 42 insertions, 40 deletions

diff --git a/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl b/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl
index 5f0af6a6f5b..1389a9763c0 100644
--- a/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl
+++ b/source/blender/draw/engines/eevee/shaders/btdf_lut_frag.glsl
@@ -3,57 +3,59 @@ uniform float a2;
 
 out vec4 FragColor;
 
-void main() {
-	vec3 N, T, B, V;
+void main()
+{
+  vec3 N, T, B, V;
 
-	float x = gl_FragCoord.x / BRDF_LUT_SIZE;
-	float y = gl_FragCoord.y / BRDF_LUT_SIZE;
-	/* There is little variation if ior > 1.0 so we
-	 * maximize LUT precision for ior < 1.0 */
-	x = x * 1.1;
-	float ior = (x > 1.0) ? ior_from_f0((x-1.0) * 10.0) : sqrt(x);
-	float NV = (1.0 - (clamp(y, 1e-4, 0.9999)));
+  float x = gl_FragCoord.x / BRDF_LUT_SIZE;
+  float y = gl_FragCoord.y / BRDF_LUT_SIZE;
+  /* There is little variation if ior > 1.0 so we
+   * maximize LUT precision for ior < 1.0 */
+  x = x * 1.1;
+  float ior = (x > 1.0) ? ior_from_f0((x - 1.0) * 10.0) : sqrt(x);
+  float NV = (1.0 - (clamp(y, 1e-4, 0.9999)));
 
-	N = vec3(0.0, 0.0, 1.0);
-	T = vec3(1.0, 0.0, 0.0);
-	B = vec3(0.0, 1.0, 0.0);
-	V = vec3(sqrt(1.0 - NV * NV), 0.0, NV);
+  N = vec3(0.0, 0.0, 1.0);
+  T = vec3(1.0, 0.0, 0.0);
+  B = vec3(0.0, 1.0, 0.0);
+  V = vec3(sqrt(1.0 - NV * NV), 0.0, NV);
 
-	setup_noise();
+  setup_noise();
 
-	/* Integrating BTDF */
-	float btdf_accum = 0.0;
-	for (float i = 0.0; i < sampleCount; i++) {
-		vec3 H = sample_ggx(i, a2, N, T, B); /* Microfacet normal */
+  /* Integrating BTDF */
+  float btdf_accum = 0.0;
+  for (float i = 0.0; i < sampleCount; i++) {
+    vec3 H = sample_ggx(i, a2, N, T, B); /* Microfacet normal */
 
-		float VH = dot(V, H);
+    float VH = dot(V, H);
 
-		/* Check if there is total internal reflections. */
-		float c = abs(VH);
-		float g = ior * ior - 1.0 + c * c;
+    /* Check if there is total internal reflections. */
+    float c = abs(VH);
+    float g = ior * ior - 1.0 + c * c;
 
-		float eta = 1.0/ior;
-		if (dot(H, V) < 0.0) {
-			H = -H;
-			eta = ior;
-		}
+    float eta = 1.0 / ior;
+    if (dot(H, V) < 0.0) {
+      H = -H;
+      eta = ior;
+    }
 
-		vec3 L = refract(-V, H, eta);
-		float NL = -dot(N, L);
+    vec3 L = refract(-V, H, eta);
+    float NL = -dot(N, L);
 
-		if ((NL > 0.0) && (g > 0.0)) {
-			float LH = dot(L, H);
+    if ((NL > 0.0) && (g > 0.0)) {
+      float LH = dot(L, H);
 
-			float G1_l = NL * 2.0 / G1_Smith_GGX(NL, a2); /* Balancing the adjustments made in G1_Smith */
+      float G1_l = NL * 2.0 /
+                   G1_Smith_GGX(NL, a2); /* Balancing the adjustments made in G1_Smith */
 
-			/* btdf = abs(VH*LH) * (ior*ior) * D * G(V) * G(L) / (Ht2 * NV)
-			 * pdf = (VH * abs(LH)) * (ior*ior) * D * G(V) / (Ht2 * NV) */
-			float btdf = G1_l * abs(VH*LH) / (VH * abs(LH));
+      /* btdf = abs(VH*LH) * (ior*ior) * D * G(V) * G(L) / (Ht2 * NV)
+       * pdf = (VH * abs(LH)) * (ior*ior) * D * G(V) / (Ht2 * NV) */
+      float btdf = G1_l * abs(VH * LH) / (VH * abs(LH));
 
-			btdf_accum += btdf;
-		}
-	}
-	btdf_accum /= sampleCount;
+      btdf_accum += btdf;
+    }
+  }
+  btdf_accum /= sampleCount;
 
-	FragColor = vec4(btdf_accum, 0.0, 0.0, 1.0);
+  FragColor = vec4(btdf_accum, 0.0, 0.0, 1.0);
 }