2 files changed, 43 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..338dc3bf9c0
--- /dev/null
+++ b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl
@@ -0,0 +1,30 @@
+
+uniform int probeIdx;
+uniform sampler2DArray probePlanars;
+
+layout(std140) uniform planar_block {
+	PlanarData planars_data[MAX_PLANAR];
+};
+
+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 = pd.reflectionmat * vec4(worldPosition, 1.0);
+	refco.xy /= refco.w;
+	FragColor = vec4(textureLod(probePlanars, vec3(refco.xy, float(probeIdx)), 0.0).rgb, 1.0);
+}
diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl
new file mode 100644
index 00000000000..3c620982273
--- /dev/null
+++ b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_vert.glsl
@@ -0,0 +1,13 @@
+
+in vec3 pos;
+
+uniform mat4 ModelViewProjectionMatrix;
+uniform mat4 ModelMatrix;
+
+out vec3 worldPosition;
+
+void main()
+{
+	gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
+	worldPosition = (ModelMatrix * vec4(pos, 1.0)).xyz;
+}
+\ No newline at end of file