1 files changed, 55 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee_next/shaders/infos/eevee_velocity_info.hh b/source/blender/draw/engines/eevee_next/shaders/infos/eevee_velocity_info.hh
new file mode 100644
index 00000000000..a5f16363466
--- /dev/null
+++ b/source/blender/draw/engines/eevee_next/shaders/infos/eevee_velocity_info.hh
@@ -0,0 +1,55 @@
+
+#include "gpu_shader_create_info.hh"
+
+/* -------------------------------------------------------------------- */
+/** \name Surface Velocity
+ *
+ * Combined with the depth prepass shader.
+ * Outputs the view motion vectors for animated objects.
+ * \{ */
+
+/* Pass world space deltas to the fragment shader.
+ * This is to make sure that the resulting motion vectors are valid even with displacement. */
+GPU_SHADER_INTERFACE_INFO(eevee_velocity_surface_iface, "motion")
+    .smooth(Type::VEC3, "prev")
+    .smooth(Type::VEC3, "next");
+
+GPU_SHADER_CREATE_INFO(eevee_velocity_camera)
+    .define("VELOCITY_CAMERA")
+    .uniform_buf(1, "CameraData", "camera_prev")
+    .uniform_buf(2, "CameraData", "camera_curr")
+    .uniform_buf(3, "CameraData", "camera_next");
+
+GPU_SHADER_CREATE_INFO(eevee_velocity_geom)
+    .define("MAT_VELOCITY")
+    .auto_resource_location(true)
+    .storage_buf(4, Qualifier::READ, "mat4", "velocity_obj_prev_buf[]", Frequency::PASS)
+    .storage_buf(5, Qualifier::READ, "mat4", "velocity_obj_next_buf[]", Frequency::PASS)
+    .storage_buf(6, Qualifier::READ, "vec4", "velocity_geo_prev_buf[]", Frequency::PASS)
+    .storage_buf(7, Qualifier::READ, "vec4", "velocity_geo_next_buf[]", Frequency::PASS)
+    .storage_buf(
+        7, Qualifier::READ, "VelocityIndex", "velocity_indirection_buf[]", Frequency::PASS)
+    .vertex_out(eevee_velocity_surface_iface)
+    .fragment_out(0, Type::VEC4, "out_velocity_view")
+    .additional_info("eevee_velocity_camera");
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Velocity Resolve
+ *
+ * Computes velocity for static objects.
+ * Also converts motion to camera space (as opposed to view space) if needed.
+ * \{ */
+
+GPU_SHADER_CREATE_INFO(eevee_velocity_resolve)
+    .do_static_compilation(true)
+    .local_group_size(8, 8)
+    .sampler(0, ImageType::DEPTH_2D, "depth_tx")
+    .image(0, GPU_RG16F, Qualifier::READ_WRITE, ImageType::FLOAT_2D, "velocity_view_img")
+    .image(1, GPU_RG16F, Qualifier::WRITE, ImageType::FLOAT_2D, "velocity_camera_img")
+    .additional_info("eevee_shared")
+    .compute_source("eevee_velocity_resolve_comp.glsl")
+    .additional_info("draw_view", "eevee_velocity_camera");
+
+/** \} */