r600: Add NIR compiler options

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3225>

diff --git a/src/gallium/drivers/r600/r600_pipe_common.c b/src/gallium/drivers/r600/r600_pipe_common.c
index 91607ca71ea897b7288632bf35a37fba7abc1d09..df6e7bcaeb01906da0652835719216c44cf52780 100644 (file)
--- a/src/gallium/drivers/r600/r600_pipe_common.c
+++ b/src/gallium/drivers/r600/r600_pipe_common.c
@@ -27,6 +27,7 @@
 #include "r600_pipe_common.h"
 #include "r600_cs.h"
 #include "tgsi/tgsi_parse.h"
+#include "compiler/nir/nir.h"
 #include "util/list.h"
 #include "util/u_draw_quad.h"
 #include "util/u_memory.h"
@@ -1177,6 +1178,33 @@ struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
        }
 }
 
+const struct nir_shader_compiler_options r600_nir_options = {
+       .fuse_ffma = true,
+       .lower_scmp = true,
+       .lower_flrp32 = true,
+       .lower_flrp64 = true,
+       .lower_fpow = true,
+       .lower_fdiv = true,
+       .lower_idiv = true,
+       .lower_fmod = true,
+       .lower_doubles_options = nir_lower_fp64_full_software,
+       .lower_int64_options = 0,
+       .lower_extract_byte = true,
+       .lower_extract_word = true,
+       .max_unroll_iterations = 32,
+       .lower_all_io_to_temps = true,
+       .vectorize_io = true
+};
+
+static const void *
+r600_get_compiler_options(struct pipe_screen *screen,
+                         enum pipe_shader_ir ir,
+                         enum pipe_shader_type shader)
+{
+       assert(ir == PIPE_SHADER_IR_NIR);
+       return &r600_nir_options;
+}
+
 bool r600_common_screen_init(struct r600_common_screen *rscreen,
                             struct radeon_winsys *ws)
 {
@@ -1210,6 +1238,7 @@ bool r600_common_screen_init(struct r600_common_screen *rscreen,
        rscreen->b.get_compute_param = r600_get_compute_param;
        rscreen->b.get_paramf = r600_get_paramf;
        rscreen->b.get_timestamp = r600_get_timestamp;
+       rscreen->b.get_compiler_options = r600_get_compiler_options;
        rscreen->b.fence_finish = r600_fence_finish;
        rscreen->b.fence_reference = r600_fence_reference;
        rscreen->b.resource_destroy = u_resource_destroy_vtbl;