[Freedreno] [PATCH 2/2] freedreno: add a standalone ir3_compiler binary for building TGSI
Ilia Mirkin
imirkin at alum.mit.edu
Mon Sep 15 18:42:01 PDT 2014
Compiler taken from the combo old/new compiler comparer + simulator.
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
src/gallium/drivers/freedreno/Makefile.am | 12 ++
src/gallium/drivers/freedreno/ir3/ir3_cmdline.c | 179 ++++++++++++++++++++++++
2 files changed, 191 insertions(+)
create mode 100644 src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
diff --git a/src/gallium/drivers/freedreno/Makefile.am b/src/gallium/drivers/freedreno/Makefile.am
index 33563f5..ee5d506 100644
--- a/src/gallium/drivers/freedreno/Makefile.am
+++ b/src/gallium/drivers/freedreno/Makefile.am
@@ -17,4 +17,16 @@ libfreedreno_la_SOURCES = \
$(a3xx_SOURCES) \
$(ir3_SOURCES)
+noinst_PROGRAMS = ir3_compiler
+
+ir3_compiler_SOURCES = \
+ ir3/ir3_cmdline.c
+
+ir3_compiler_LDADD = \
+ libfreedreno.la \
+ ../../auxiliary/libgallium.la \
+ $(top_builddir)/src/util/libmesautil.la \
+ $(GALLIUM_COMMON_LIB_DEPS) \
+ $(FREEDRENO_LIBS)
+
EXTRA_DIST = Android.mk
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c b/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
new file mode 100644
index 0000000..9944521
--- /dev/null
+++ b/src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (C) 2014 Rob Clark <robclark at freedesktop.org>
+ *
+ * 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.
+ *
+ * Authors:
+ * Rob Clark <robclark at freedesktop.org>
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <err.h>
+
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_text.h"
+#include "tgsi/tgsi_dump.h"
+
+#include "freedreno_util.h"
+#include "freedreno_lowering.h"
+
+#include "ir3_compiler.h"
+#include "instr-a3xx.h"
+#include "ir3.h"
+
+static void dump_info(struct ir3_shader_variant *so)
+{
+ struct ir3_info info;
+ uint32_t *bin;
+ const char *type = (so->type == SHADER_VERTEX) ? "VERT" : "FRAG";
+
+ // for debug, dump some before/after info:
+ bin = ir3_assemble(so->ir, &info);
+ if (fd_mesa_debug & FD_DBG_DISASM) {
+ unsigned i;
+
+ debug_printf("%s: disasm:\n", type);
+ disasm_a3xx(bin, info.sizedwords, 0, so->type);
+
+ debug_printf("%s: outputs:", type);
+ for (i = 0; i < so->outputs_count; i++) {
+ uint8_t regid = so->outputs[i].regid;
+ ir3_semantic sem = so->outputs[i].semantic;
+ debug_printf(" r%d.%c (%u:%u)",
+ (regid >> 2), "xyzw"[regid & 0x3],
+ sem2name(sem), sem2idx(sem));
+ }
+ debug_printf("\n");
+ debug_printf("%s: inputs:", type);
+ for (i = 0; i < so->inputs_count; i++) {
+ uint8_t regid = so->inputs[i].regid;
+ ir3_semantic sem = so->inputs[i].semantic;
+ debug_printf(" r%d.%c (%u:%u,cm=%x,il=%u,b=%u)",
+ (regid >> 2), "xyzw"[regid & 0x3],
+ sem2name(sem), sem2idx(sem),
+ so->inputs[i].compmask,
+ so->inputs[i].inloc,
+ so->inputs[i].bary);
+ }
+ debug_printf("\n");
+ }
+ debug_printf("%s: %u instructions, %d half, %d full\n\n",
+ type, info.instrs_count, info.max_half_reg + 1, info.max_reg + 1);
+ free(bin);
+}
+
+
+static void
+read_file(const char *filename, void **ptr, size_t *size)
+{
+ int fd, ret;
+ struct stat st;
+
+ *ptr = MAP_FAILED;
+
+ fd = open(filename, O_RDONLY);
+ if (fd == -1)
+ errx(1, "couldn't open `%s'", filename);
+
+ ret = fstat(fd, &st);
+ if (ret)
+ errx(1, "couldn't stat `%s'", filename);
+
+ *size = st.st_size;
+ *ptr = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ if (*ptr == MAP_FAILED)
+ errx(1, "couldn't map `%s'", filename);
+
+ close(fd);
+}
+
+static void reset_variant(struct ir3_shader_variant *v, const char *msg)
+{
+ debug_error(msg);
+ v->inputs_count = 0;
+ v->outputs_count = 0;
+ v->total_in = 0;
+ v->has_samp = false;
+ v->immediates_count = 0;
+}
+
+int main(int argc, char **argv)
+{
+ int ret = 0;
+ const char *filename = argv[1];
+ struct tgsi_token toks[65536];
+ struct tgsi_parse_context parse;
+ struct ir3_shader_variant v;
+ struct ir3_shader_key key = {
+ .color_two_side = true,
+ };
+ void *ptr;
+ size_t size;
+
+ fd_mesa_debug |= FD_DBG_DISASM | FD_DBG_OPTDUMP | FD_DBG_MSGS | FD_DBG_OPTMSGS;
+
+
+ memset(&v, 0, sizeof(v));
+ v.key = key;
+
+ read_file(filename, &ptr, &size);
+
+ if (!tgsi_text_translate(ptr, toks, Elements(toks)))
+ errx(1, "could not parse `%s'", filename);
+
+ tgsi_parse_init(&parse, toks);
+ switch (parse.FullHeader.Processor.Processor) {
+ case TGSI_PROCESSOR_FRAGMENT:
+ v.type = SHADER_FRAGMENT;
+ break;
+ case TGSI_PROCESSOR_VERTEX:
+ v.type = SHADER_VERTEX;
+ break;
+ case TGSI_PROCESSOR_COMPUTE:
+ v.type = SHADER_COMPUTE;
+ break;
+ }
+
+ if (!(fd_mesa_debug & FD_DBG_NOOPT)) {
+ /* with new compiler: */
+ ret = ir3_compile_shader(&v, toks, key, true);
+
+ if (ret) {
+ reset_variant(&v, "new compiler failed, trying without copy propagation!");
+ ret = ir3_compile_shader(&v, toks, key, false);
+ if (ret)
+ reset_variant(&v, "new compiler failed, trying fallback!\n");
+ }
+ }
+
+ if (ret)
+ ret = ir3_compile_shader_old(&v, toks, key);
+
+ if (ret) {
+ fprintf(stderr, "old compiler failed!\n");
+ return ret;
+ }
+ dump_info(&v);
+}
--
1.8.5.5
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