Mesa (master): st: add NIR GL_ARB_get_program_binary support

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: c6b70a0eaea63e824e3733b16cb90e1595b01c1d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c6b70a0eaea63e824e3733b16cb90e1595b01c1d

Author: Timothy Arceri <tarceri at itsqueeze.com>
Date:   Tue Feb 13 14:25:51 2018 +1100

st: add NIR GL_ARB_get_program_binary support

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/mesa/state_tracker/st_context.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 7e721572e0..e23f9fd70b 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -758,6 +758,17 @@ st_init_driver_functions(struct pipe_screen *screen,
 
    /* GL_ARB_get_program_binary */
    functions->GetProgramBinaryDriverSHA1 = st_get_program_binary_driver_sha1;
-   functions->ProgramBinarySerializeDriverBlob = st_serialise_tgsi_program;
-   functions->ProgramBinaryDeserializeDriverBlob = st_deserialise_tgsi_program;
+
+   enum pipe_shader_ir preferred_ir = (enum pipe_shader_ir)
+      screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
+                               PIPE_SHADER_CAP_PREFERRED_IR);
+   if (preferred_ir == PIPE_SHADER_IR_NIR) {
+      functions->ProgramBinarySerializeDriverBlob = st_serialise_nir_program;
+      functions->ProgramBinaryDeserializeDriverBlob =
+         st_deserialise_nir_program;
+   } else {
+      functions->ProgramBinarySerializeDriverBlob = st_serialise_tgsi_program;
+      functions->ProgramBinaryDeserializeDriverBlob =
+         st_deserialise_tgsi_program;
+   }
 }