Mesa (master): clover: prepare supporting multiple IRs

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Module: Mesa
Branch: master
Commit: 1befaf4417d81d7fccf8b8d2d59e7b57d0255dd3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1befaf4417d81d7fccf8b8d2d59e7b57d0255dd3

Author: Karol Herbst <kherbst at redhat.com>
Date:   Fri May 10 09:27:06 2019 +0200

clover: prepare supporting multiple IRs

v2: rework arguments to compiler::compile_program
    add assert to device::ir_format
v3: remove PIPE_SHADER_IR_SPIRV
    change title

Signed-off-by: Karol Herbst <kherbst at redhat.com>
Reviewed-by: Francisco Jerez <currojerez at riseup.net> (v2)
Reviewed-by: Pierre Moreau <pierre.morrow at free.fr>

---

 .../state_trackers/clover/core/compiler.hpp        | 59 ++++++++++++++++++++++
 src/gallium/state_trackers/clover/core/program.cpp | 10 ++--
 src/gallium/state_trackers/clover/meson.build      |  1 +
 3 files changed, 64 insertions(+), 6 deletions(-)

diff --git a/src/gallium/state_trackers/clover/core/compiler.hpp b/src/gallium/state_trackers/clover/core/compiler.hpp
new file mode 100644
index 00000000000..4ed20061627
--- /dev/null
+++ b/src/gallium/state_trackers/clover/core/compiler.hpp
@@ -0,0 +1,59 @@
+//
+// Copyright 2019 Red Hat, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#ifndef CLOVER_CORE_COMPILER_HPP
+#define CLOVER_CORE_COMPILER_HPP
+
+#include "core/device.hpp"
+#include "core/module.hpp"
+#include "llvm/invocation.hpp"
+
+namespace clover {
+   namespace compiler {
+      static inline module
+      compile_program(const std::string &source, const header_map &headers,
+                      const device &dev, const std::string &opts,
+                      std::string &log) {
+         switch (dev.ir_format()) {
+         case PIPE_SHADER_IR_NATIVE:
+            return llvm::compile_program(source, headers, dev, opts, log);
+         default:
+            unreachable("device with unsupported IR");
+            throw error(CL_INVALID_VALUE);
+         }
+      }
+
+      static inline module
+      link_program(const std::vector<module> &ms, const device &dev,
+                   const std::string &opts, std::string &log) {
+         switch (dev.ir_format()) {
+         case PIPE_SHADER_IR_NATIVE:
+            return llvm::link_program(ms, dev, opts, log);
+         default:
+            unreachable("device with unsupported IR");
+            throw error(CL_INVALID_VALUE);
+         }
+      }
+   }
+}
+
+#endif
diff --git a/src/gallium/state_trackers/clover/core/program.cpp b/src/gallium/state_trackers/clover/core/program.cpp
index 62fa13efbf9..526e06a26c3 100644
--- a/src/gallium/state_trackers/clover/core/program.cpp
+++ b/src/gallium/state_trackers/clover/core/program.cpp
@@ -20,8 +20,8 @@
 // OTHER DEALINGS IN THE SOFTWARE.
 //
 
+#include "core/compiler.hpp"
 #include "core/program.hpp"
-#include "llvm/invocation.hpp"
 
 using namespace clover;
 
@@ -51,9 +51,8 @@ program::compile(const ref_vector<device> &devs, const std::string &opts,
          std::string log;
 
          try {
-            assert(dev.ir_format() == PIPE_SHADER_IR_NATIVE);
-            const module m = llvm::compile_program(_source, headers, dev, opts,
-                                                   log);
+            const module m =
+               compiler::compile_program(_source, headers, dev, opts, log);
             _builds[&dev] = { m, opts, log };
          } catch (...) {
             _builds[&dev] = { module(), opts, log };
@@ -75,8 +74,7 @@ program::link(const ref_vector<device> &devs, const std::string &opts,
       std::string log = _builds[&dev].log;
 
       try {
-         assert(dev.ir_format() == PIPE_SHADER_IR_NATIVE);
-         const module m = llvm::link_program(ms, dev, opts, log);
+         const module m = compiler::link_program(ms, dev, opts, log);
          _builds[&dev] = { m, opts, log };
       } catch (...) {
          _builds[&dev] = { module(), opts, log };
diff --git a/src/gallium/state_trackers/clover/meson.build b/src/gallium/state_trackers/clover/meson.build
index 2f5b287d976..13d554c3fbf 100644
--- a/src/gallium/state_trackers/clover/meson.build
+++ b/src/gallium/state_trackers/clover/meson.build
@@ -81,6 +81,7 @@ clover_files = files(
   'api/sampler.cpp',
   'api/transfer.cpp',
   'api/util.hpp',
+  'core/compiler.hpp',
   'core/context.cpp',
   'core/context.hpp',
   'core/device.cpp',