Mesa (master): nouveau: add a nouveau_compiler binary to compile TGSI into shader ISA
Ilia Mirkin
imirkin at kemper.freedesktop.org
Thu Feb 27 04:39:44 UTC 2014
Module: Mesa
Branch: master
Commit: 51fc093421e4ed672ae3cba5a7f3695f3972e658
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=51fc093421e4ed672ae3cba5a7f3695f3972e658
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Fri Feb 21 01:05:10 2014 -0500
nouveau: add a nouveau_compiler binary to compile TGSI into shader ISA
This makes it easy to compare output between different cards, especially
for ones that you don't have (and/or not in the current machine).
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
src/gallium/drivers/nouveau/.gitignore | 1 +
src/gallium/drivers/nouveau/Makefile.am | 12 ++
src/gallium/drivers/nouveau/nouveau_compiler.c | 222 ++++++++++++++++++++++++
3 files changed, 235 insertions(+)
diff --git a/src/gallium/drivers/nouveau/.gitignore b/src/gallium/drivers/nouveau/.gitignore
new file mode 100644
index 0000000..829f951
--- /dev/null
+++ b/src/gallium/drivers/nouveau/.gitignore
@@ -0,0 +1 @@
+nouveau_compiler
diff --git a/src/gallium/drivers/nouveau/Makefile.am b/src/gallium/drivers/nouveau/Makefile.am
index 7c05223..ac4f9bb 100644
--- a/src/gallium/drivers/nouveau/Makefile.am
+++ b/src/gallium/drivers/nouveau/Makefile.am
@@ -39,3 +39,15 @@ libnouveau_la_SOURCES = \
$(NV50_C_SOURCES) \
$(NVC0_CODEGEN_SOURCES) \
$(NVC0_C_SOURCES)
+
+noinst_PROGRAMS = nouveau_compiler
+
+nouveau_compiler_SOURCES = \
+ nouveau_compiler.c
+
+nouveau_compiler_LDADD = \
+ libnouveau.la \
+ ../../auxiliary/libgallium.la \
+ -lstdc++ \
+ -lm \
+ -ldl
diff --git a/src/gallium/drivers/nouveau/nouveau_compiler.c b/src/gallium/drivers/nouveau/nouveau_compiler.c
new file mode 100644
index 0000000..5f1e35a
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_compiler.c
@@ -0,0 +1,222 @@
+/*
+ * Copyright 2014 Ilia Mirkin
+ *
+ * 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.
+ */
+
+#include <errno.h>
+
+#include "tgsi/tgsi_text.h"
+#include "util/u_debug.h"
+
+#include "codegen/nv50_ir_driver.h"
+#include "nv50/nv50_context.h"
+
+/* these headers weren't really meant to be included together */
+#undef SB_DATA
+
+#include "nv30/nv30_state.h"
+#include "nv30/nvfx_shader.h"
+
+static int
+nv30_fp(int chipset, struct tgsi_token tokens[],
+ unsigned *size, unsigned **code) {
+ struct nv30_fragprog fp;
+ memset(&fp, 0, sizeof(fp));
+ fp.pipe.tokens = tokens;
+ tgsi_scan_shader(fp.pipe.tokens, &fp.info);
+ _nvfx_fragprog_translate(chipset >= 0x40 ? 0x4097 : 0x3097, &fp);
+ *size = fp.insn_len * 4;
+ *code = fp.insn;
+ return !fp.translated;
+}
+
+static int
+nv30_vp(int chipset, struct tgsi_token tokens[],
+ unsigned *size, unsigned **code) {
+ struct nv30_vertprog vp;
+ memset(&vp, 0, sizeof(vp));
+
+ vp.pipe.tokens = tokens;
+ tgsi_scan_shader(vp.pipe.tokens, &vp.info);
+ _nvfx_vertprog_translate(chipset >= 0x40 ? 0x4097 : 0x3097, &vp);
+ *size = vp.nr_insns * 16;
+ *code = (unsigned *)vp.insns;
+ return !vp.translated;
+}
+
+static int
+nv30_codegen(int chipset, int type, struct tgsi_token tokens[],
+ unsigned *size, unsigned **code) {
+ switch (type) {
+ case PIPE_SHADER_FRAGMENT:
+ return nv30_fp(chipset, tokens, size, code);
+ case PIPE_SHADER_VERTEX:
+ return nv30_vp(chipset, tokens, size, code);
+ }
+ _debug_printf("Unexpected shader type: %d\n", type);
+ return 1;
+}
+
+static int
+dummy_assign_slots(struct nv50_ir_prog_info *info)
+{
+ unsigned i, n, c;
+
+ n = 0;
+ for (i = 0; i < info->numInputs; ++i) {
+ for (c = 0; c < 4; ++c)
+ if (info->in[i].mask & (1 << c))
+ info->in[i].slot[c] = n++;
+ }
+
+ /* VertexID before InstanceID */
+ if (info->io.vertexId < info->numSysVals)
+ info->sv[info->io.vertexId].slot[0] = n++;
+ if (info->io.instanceId < info->numSysVals)
+ info->sv[info->io.instanceId].slot[0] = n++;
+
+ n = 0;
+ for (i = 0; i < info->numOutputs; ++i) {
+ for (c = 0; c < 4; ++c)
+ if (info->out[i].mask & (1 << c))
+ info->out[i].slot[c] = n++;
+ }
+ return 0;
+}
+
+static int
+nouveau_codegen(int chipset, int type, struct tgsi_token tokens[],
+ unsigned *size, unsigned **code) {
+ struct nv50_ir_prog_info info = {0};
+ int ret;
+
+ info.type = type;
+ info.target = chipset;
+ info.bin.sourceRep = NV50_PROGRAM_IR_TGSI;
+ info.bin.source = tokens;
+
+ info.io.ucpCBSlot = 15;
+ info.io.ucpBase = NV50_CB_AUX_UCP_OFFSET;
+
+ info.io.resInfoCBSlot = 15;
+ info.io.suInfoBase = NV50_CB_AUX_TEX_MS_OFFSET;
+ info.io.msInfoCBSlot = 15;
+ info.io.msInfoBase = NV50_CB_AUX_MS_OFFSET;
+
+ info.assignSlots = dummy_assign_slots;
+
+ info.optLevel = debug_get_num_option("NV50_PROG_OPTIMIZE", 3);
+ info.dbgFlags = debug_get_num_option("NV50_PROG_DEBUG", 0);
+
+ ret = nv50_ir_generate_code(&info);
+ if (ret) {
+ _debug_printf("Error compiling program: %d\n", ret);
+ return ret;
+ }
+
+ *size = info.bin.codeSize;
+ *code = info.bin.code;
+ return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct tgsi_token tokens[1024];
+ int i, chipset = 0, type = -1;
+ const char *filename = NULL;
+ FILE *f;
+ char text[65536] = {0};
+ unsigned size, *code;
+
+ for (i = 1; i < argc; i++) {
+ if (!strcmp(argv[i], "-a"))
+ chipset = strtol(argv[++i], NULL, 16);
+ else
+ filename = argv[i];
+ }
+
+ if (!chipset) {
+ _debug_printf("Must specify a chipset (-a)\n");
+ return 1;
+ }
+
+ if (!filename) {
+ _debug_printf("Must specify a filename\n");
+ return 1;
+ }
+
+ if (!strcmp(filename, "-"))
+ f = stdin;
+ else
+ f = fopen(filename, "r");
+
+ if (f == NULL) {
+ _debug_printf("Error opening file '%s': %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ fread(text, 1, sizeof(text), f);
+ if (ferror(f)) {
+ _debug_printf("Error reading file '%s'\n", filename);
+ return 1;
+ }
+ fclose(f);
+
+ _debug_printf("Compiling for NV%X\n", chipset);
+
+ if (!strncmp(text, "FRAG", 4))
+ type = PIPE_SHADER_FRAGMENT;
+ else if (!strncmp(text, "VERT", 4))
+ type = PIPE_SHADER_VERTEX;
+ else if (!strncmp(text, "GEOM", 4))
+ type = PIPE_SHADER_GEOMETRY;
+ else if (!strncmp(text, "COMP", 4))
+ type = PIPE_SHADER_COMPUTE;
+ else {
+ _debug_printf("Unrecognized TGSI header\n");
+ return 1;
+ }
+
+ if (!tgsi_text_translate(text, tokens, Elements(tokens)))
+ return 1;
+
+ if (chipset >= 0x50) {
+ i = nouveau_codegen(chipset, type, tokens, &size, &code);
+ } else if (chipset >= 0x30) {
+ i = nv30_codegen(chipset, type, tokens, &size, &code);
+ } else {
+ _debug_printf("chipset NV%02X not supported\n", chipset);
+ i = 1;
+ }
+ if (i)
+ return i;
+
+ _debug_printf("program binary (%d bytes)\n", size);
+ for (i = 0; i < size; i += 4) {
+ printf("%08x ", code[i / 4]);
+ if (i % (8 * 4) == (7 * 4))
+ printf("\n");
+ }
+ if (i % (8 * 4) != 0)
+ printf("\n");
+
+ return 0;
+}
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