radv/meta: add common shader vertex generation function
Instead of passing in the same 1.0, -1.0 combinations via
vertex buffers, we can just use vertex id to have the vertex
shader build them. This function introduces the generator
code needed, later patches will use this.
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/src/amd/vulkan/radv_meta.h b/src/amd/vulkan/radv_meta.h
index 8702ca4..6cad94c 100644
--- a/src/amd/vulkan/radv_meta.h
+++ b/src/amd/vulkan/radv_meta.h
@@ -221,6 +221,12 @@
void radv_blit_to_prime_linear(struct radv_cmd_buffer *cmd_buffer,
struct radv_image *image,
struct radv_image *linear_image);
+
+/* common nir builder helpers */
+#include "nir_builder.h"
+
+nir_ssa_def *radv_meta_gen_rect_vertices(nir_builder *vs_b);
+
#ifdef __cplusplus
}
#endif