[Mesa-dev] [RFC PATCH 24/56] glsl: Allow tess control and tess eval shaders without VS if separate

[Chris Forbes]

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 src/glsl/linker.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index e7c8974..6ed54db 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -2776,13 +2776,15 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
       goto done;
    }
    if (num_shaders[MESA_SHADER_TESS_EVAL] > 0 &&
-       num_shaders[MESA_SHADER_VERTEX] == 0) {
+       num_shaders[MESA_SHADER_VERTEX] == 0 &&
+       !prog->SeparateShader) {
       linker_error(prog, "Tessellation evaluation shader must be linked with "
 		   "vertex shader\n");
       goto done;
    }
    if (num_shaders[MESA_SHADER_TESS_CTRL] > 0 &&
-       num_shaders[MESA_SHADER_VERTEX] == 0) {
+       num_shaders[MESA_SHADER_VERTEX] == 0 &&
+       !prog->SeparateShader) {
       linker_error(prog, "Tessellation control shader must be linked with "
 		   "vertex shader\n");
       goto done;
-- 
2.1.0