Eevee: Draw background shader.

Also fixes some remaining errors caused by some matrices not updated.

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/draw/engines/eevee/shaders/background_vert.glsl b/source/blender/draw/engines/eevee/shaders/background_vert.glsl
new file mode 100644
index 00000000000..ef94c775336
--- /dev/null
+++ b/source/blender/draw/engines/eevee/shaders/background_vert.glsl
@@ -0,0 +1,16 @@
+
+mat4 ViewProjectionMatrixInverse;
+
+in vec2 pos;
+
+out vec3 varposition;
+out vec3 varnormal;
+out vec3 viewPosition;
+out vec3 worldPosition;
+
+void main()
+{
+	gl_Position = vec4(pos, 1.0, 1.0);
+	varposition = viewPosition = vec3(pos, -1.0);
+	varnormal = normalize(-varposition);
+}