1 files changed, 25 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl
new file mode 100644
index 00000000000..676f7e49ebf
--- /dev/null
+++ b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl
@@ -0,0 +1,25 @@
+
+uniform int probeIdx;
+
+in vec3 worldPosition;
+
+out vec4 FragColor;
+
+void main()
+{
+	PlanarData pd = planars_data[probeIdx];
+
+	/* Fancy fast clipping calculation */
+	vec2 dist_to_clip;
+	dist_to_clip.x = dot(pd.pl_clip_pos_x, worldPosition);
+	dist_to_clip.y = dot(pd.pl_clip_pos_y, worldPosition);
+	float fac = dot(step(pd.pl_clip_edges, dist_to_clip.xxyy), vec2(-1.0, 1.0).xyxy); /* compare and add all tests */
+
+	if (fac != 2.0) {
+		discard;
+	}
+
+	vec4 refco = ViewProjectionMatrix * vec4(worldPosition, 1.0);
+	refco.xy /= refco.w;
+	FragColor = vec4(textureLod(probePlanars, vec3(refco.xy * 0.5 + 0.5, float(probeIdx)), 0.0).rgb, 1.0);
+}