mesa: added nopfrag/nopvert options for MESA_GLSL

These options can be used to force vertex/fragment shaders to be no-op
shaders (actually, simple pass-through shaders).  For debug/test purposes.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index c1b97c7cb7..a270888443 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -2814,6 +2814,16 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
           (ctx->Shader.Flags & GLSL_NO_OPT) == 0) {
          _mesa_optimize_program(ctx, shader->Program);
       }
+      if ((ctx->Shader.Flags & GLSL_NOP_VERT) &&
+          shader->Program->Target == GL_VERTEX_PROGRAM_ARB) {
+         _mesa_nop_vertex_program(ctx,
+                                  (struct gl_vertex_program *) shader->Program);
+      }
+      if ((ctx->Shader.Flags & GLSL_NOP_FRAG) &&
+          shader->Program->Target == GL_FRAGMENT_PROGRAM_ARB) {
+         _mesa_nop_fragment_program(ctx,
+                                (struct gl_fragment_program *) shader->Program);
+      }
    }
 
    if (ctx->Shader.Flags & GLSL_LOG) {