Expose EYE_OFFSET to gdshader code

2 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index f977c8ceaf..0b389b0478 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -268,9 +268,11 @@ void main() {
 #ifdef USE_MULTIVIEW
 	mat4 projection_matrix = multiview_data.projection_matrix_view[ViewIndex];
 	mat4 inv_projection_matrix = multiview_data.inv_projection_matrix_view[ViewIndex];
+	vec3 eye_offset = multiview_data.eye_offset[ViewIndex].xyz;
 #else
 	mat4 projection_matrix = scene_data.projection_matrix;
 	mat4 inv_projection_matrix = scene_data.inv_projection_matrix;
+	vec3 eye_offset = vec3(0.0, 0.0, 0.0);
 #endif //USE_MULTIVIEW
 
 #ifdef USE_INSTANCING
@@ -930,10 +932,12 @@ void main() {
 	//lay out everything, whatever is unused is optimized away anyway
 	vec3 vertex = vertex_interp;
 #ifdef USE_MULTIVIEW
-	vec3 view = -normalize(vertex_interp - multiview_data.eye_offset[ViewIndex].xyz);
+	vec3 eye_offset = multiview_data.eye_offset[ViewIndex].xyz;
+	vec3 view = -normalize(vertex_interp - eye_offset);
 	mat4 projection_matrix = multiview_data.projection_matrix_view[ViewIndex];
 	mat4 inv_projection_matrix = multiview_data.inv_projection_matrix_view[ViewIndex];
 #else
+	vec3 eye_offset = vec3(0.0, 0.0, 0.0);
 	vec3 view = -normalize(vertex_interp);
 	mat4 projection_matrix = scene_data.projection_matrix;
 	mat4 inv_projection_matrix = scene_data.inv_projection_matrix;
diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index 4fb780b665..aa8df606cf 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -1639,6 +1639,7 @@ MaterialStorage::MaterialStorage() {
 		actions.renames["VIEW_INDEX"] = "ViewIndex";
 		actions.renames["VIEW_MONO_LEFT"] = "uint(0)";
 		actions.renames["VIEW_RIGHT"] = "uint(1)";
+		actions.renames["EYE_OFFSET"] = "eye_offset";
 
 		//for light
 		actions.renames["VIEW"] = "view";