GPU: Add GPU_SHADER_INSTANCE_VARIYING_ID_VARIYING_SIZE.

Will be used for probe outline id drawing.

2 files changed, 31 insertions, 0 deletions

diff --git a/source/blender/gpu/shaders/gpu_shader_flat_id_frag.glsl b/source/blender/gpu/shaders/gpu_shader_flat_id_frag.glsl
new file mode 100644
index 00000000000..aa6f30531ae
--- /dev/null
+++ b/source/blender/gpu/shaders/gpu_shader_flat_id_frag.glsl
@@ -0,0 +1,8 @@
+
+flat in uint finalId;
+out uint fragId;
+
+void main()
+{
+	fragId = finalId;
+}
diff --git a/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl b/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl
new file mode 100644
index 00000000000..49750dddb3c
--- /dev/null
+++ b/source/blender/gpu/shaders/gpu_shader_instance_variying_size_variying_id_vert.glsl
@@ -0,0 +1,23 @@
+
+uniform mat4 ViewProjectionMatrix;
+uniform int baseId;
+
+/* ---- Instanciated Attribs ---- */
+in vec3 pos;
+
+/* ---- Per instance Attribs ---- */
+in mat4 InstanceModelMatrix;
+#ifdef UNIFORM_SCALE
+in float size;
+#else
+in vec3 size;
+#endif
+in int callId;
+
+flat out uint finalId;
+
+void main()
+{
+	gl_Position = ViewProjectionMatrix * InstanceModelMatrix * vec4(pos * size, 1.0);
+	finalId = uint(baseId + callId);
+}