1 files changed, 50 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl
new file mode 100644
index 00000000000..aec8fd9b0a1
--- /dev/null
+++ b/source/blender/gpu/shaders/gpu_shader_instance_camera_vert.glsl
@@ -0,0 +1,50 @@
+
+uniform mat4 ViewProjectionMatrix;
+
+/* ---- Instanciated Attribs ---- */
+in float pos;
+
+/* ---- Per instance Attribs ---- */
+in vec3 color;
+in vec4 corners[2]; /* trouble fetching vec2 */
+in float depth;
+in vec4 tria;
+in mat4 InstanceModelMatrix;
+
+flat out vec4 finalColor;
+
+void main()
+{
+	vec3 pPos;
+
+	if (pos == 1.0) {
+		pPos = vec3(corners[0].xy, depth);
+	}
+	else if (pos == 2.0) {
+		pPos = vec3(corners[0].zw, depth);
+	}
+	else if (pos == 3.0) {
+		pPos = vec3(corners[1].xy, depth);
+	}
+	else if (pos == 4.0) {
+		pPos = vec3(corners[1].zw, depth);
+	}
+	else if (pos == 5.0) {
+		pPos = vec3(tria.xy, depth);
+	}
+	else if (pos == 6.0) {
+		vec2 ofs = tria.xy - corners[0].xy;
+		ofs.x = -ofs.x;
+		pPos = vec3(corners[1].zw + ofs, depth);
+	}
+	else if (pos == 7.0) {
+		pPos = vec3(tria.zw, depth);
+	}
+	else {
+		pPos = vec3(0.0);
+	}
+
+	gl_Position = ViewProjectionMatrix * InstanceModelMatrix * vec4(pPos, 1.0);
+
+	finalColor = vec4(color, 1.0);
+}