Module: Mesa
Branch: master
Commit: 68a6a3b51acc0f8ad54f47ff10e30141697d404c
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=68a6a3b51acc0f8ad54f47ff10e30141697d404c
Author: Daniel Schürmann <daniel.schuerm...@campus.tu-berlin.de>
Date: Fri Feb 23 13:54:59 2018 +0100
spirv: handle AMD_gcn_shader extended instructions
Co-authored-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Daniel Schürmann <daniel.schuerm...@campus.tu-berlin.de>
Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
---
src/compiler/nir/meson.build | 1 +
src/compiler/shader_info.h | 5 ++++
src/compiler/spirv/nir_spirv.h | 1 +
src/compiler/spirv/spirv_to_nir.c | 3 +++
src/compiler/spirv/vtn_amd.c | 57 +++++++++++++++++++++++++++++++++++++++
src/compiler/spirv/vtn_private.h | 3 +++
6 files changed, 70 insertions(+)
diff --git a/src/compiler/nir/meson.build b/src/compiler/nir/meson.build
index 7a7d6fd07a..a70c236b95 100644
--- a/src/compiler/nir/meson.build
+++ b/src/compiler/nir/meson.build
@@ -189,6 +189,7 @@ files_libnir = files(
'../spirv/spirv_info.h',
'../spirv/spirv_to_nir.c',
'../spirv/vtn_alu.c',
+ '../spirv/vtn_amd.c',
'../spirv/vtn_cfg.c',
'../spirv/vtn_glsl450.c',
'../spirv/vtn_private.h',
diff --git a/src/compiler/shader_info.h b/src/compiler/shader_info.h
index 4cbe461d38..b1e200070f 100644
--- a/src/compiler/shader_info.h
+++ b/src/compiler/shader_info.h
@@ -53,6 +53,11 @@ struct spirv_supported_capabilities {
bool subgroup_vote;
};
+/* The supported extensions which add extended instructions */
+struct spirv_supported_extensions {
+ bool AMD_gcn_shader;
+};
+
typedef struct shader_info {
const char *name;
diff --git a/src/compiler/spirv/nir_spirv.h b/src/compiler/spirv/nir_spirv.h
index a2c40e57d1..2b0bdaec01 100644
--- a/src/compiler/spirv/nir_spirv.h
+++ b/src/compiler/spirv/nir_spirv.h
@@ -59,6 +59,7 @@ struct spirv_to_nir_options {
bool lower_workgroup_access_to_offsets;
struct spirv_supported_capabilities caps;
+ struct spirv_supported_extensions exts;
struct {
void (*func)(void *private_data,
diff --git a/src/compiler/spirv/spirv_to_nir.c
b/src/compiler/spirv/spirv_to_nir.c
index 19862ab612..6a358c5973 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -373,6 +373,9 @@ vtn_handle_extension(struct vtn_builder *b, SpvOp opcode,
struct vtn_value *val = vtn_push_value(b, w[1],
vtn_value_type_extension);
if (strcmp((const char *)&w[2], "GLSL.std.450") == 0) {
val->ext_handler = vtn_handle_glsl450_instruction;
+ } else if ((strcmp((const char *)&w[2], "SPV_AMD_gcn_shader") == 0)
+ && (b->options && b->options->exts.AMD_gcn_shader)) {
+ val->ext_handler = vtn_handle_amd_gcn_shader_instruction;
} else {
vtn_fail("Unsupported extension");
}
diff --git a/src/compiler/spirv/vtn_amd.c b/src/compiler/spirv/vtn_amd.c
new file mode 100644
index 0000000000..b2b3e055f0
--- /dev/null
+++ b/src/compiler/spirv/vtn_amd.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2018 Valve Corporation
+ * Copyright © 2017 Red Hat
+ *
+ * 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 (including the next
+ * paragraph) 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.
+ *
+ */
+
+#include "vtn_private.h"
+#include "GLSL.ext.AMD.h"
+
+bool
+vtn_handle_amd_gcn_shader_instruction(struct vtn_builder *b, uint32_t
ext_opcode,
+ const uint32_t *w, unsigned count)
+{
+ const struct glsl_type *dest_type =
+ vtn_value(b, w[1], vtn_value_type_type)->type->type;
+ struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_ssa);
+ val->ssa = vtn_create_ssa_value(b, dest_type);
+
+ switch ((enum GcnShaderAMD)ext_opcode) {
+ case CubeFaceIndexAMD:
+ val->ssa->def = nir_cube_face_index(&b->nb, vtn_ssa_value(b, w[5])->def);
+ break;
+ case CubeFaceCoordAMD:
+ val->ssa->def = nir_cube_face_coord(&b->nb, vtn_ssa_value(b, w[5])->def);
+ break;
+ case TimeAMD: {
+ nir_intrinsic_instr *intrin = nir_intrinsic_instr_create(b->nb.shader,
+ nir_intrinsic_shader_clock);
+ nir_ssa_dest_init(&intrin->instr, &intrin->dest, 2, 32, NULL);
+ nir_builder_instr_insert(&b->nb, &intrin->instr);
+ val->ssa->def = nir_pack_64_2x32(&b->nb, &intrin->dest.ssa);
+ break;
+ }
+ default:
+ unreachable("Invalid opcode");
+ }
+ return true;
+}
diff --git a/src/compiler/spirv/vtn_private.h b/src/compiler/spirv/vtn_private.h
index 316def0802..a8fa612384 100644
--- a/src/compiler/spirv/vtn_private.h
+++ b/src/compiler/spirv/vtn_private.h
@@ -732,4 +732,7 @@ vtn_u64_literal(const uint32_t *w)
return (uint64_t)w[1] << 32 | w[0];
}
+bool vtn_handle_amd_gcn_shader_instruction(struct vtn_builder *b, uint32_t
ext_opcode,
+ const uint32_t *words, unsigned
count);
+
#endif /* _VTN_PRIVATE_H_ */
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