summaryrefslogtreecommitdiffstats
path: root/src/glsl/nir
diff options
context:
space:
mode:
Diffstat (limited to 'src/glsl/nir')
-rw-r--r--src/glsl/nir/.gitignore1
-rw-r--r--src/glsl/nir/nir_builder.h130
-rw-r--r--src/glsl/nir/nir_builder_opcodes_h.py38
3 files changed, 169 insertions, 0 deletions
diff --git a/src/glsl/nir/.gitignore b/src/glsl/nir/.gitignore
index 261f64f7188..64828eba6d3 100644
--- a/src/glsl/nir/.gitignore
+++ b/src/glsl/nir/.gitignore
@@ -1,3 +1,4 @@
+nir_builder_opcodes.h
nir_opt_algebraic.c
nir_opcodes.c
nir_opcodes.h
diff --git a/src/glsl/nir/nir_builder.h b/src/glsl/nir/nir_builder.h
new file mode 100644
index 00000000000..7c4f7fd96cd
--- /dev/null
+++ b/src/glsl/nir/nir_builder.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright © 2014-2015 Broadcom
+ *
+ * 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.
+ */
+
+#ifndef NIR_BUILDER_H
+#define NIR_BUILDER_H
+
+struct exec_list;
+
+typedef struct nir_builder {
+ struct exec_list *cf_node_list;
+ nir_shader *shader;
+ nir_function_impl *impl;
+} nir_builder;
+
+static inline void
+nir_builder_init(nir_builder *build, nir_function_impl *impl)
+{
+ memset(build, 0, sizeof(*build));
+ build->impl = impl;
+ build->shader = impl->overload->function->shader;
+}
+
+static inline void
+nir_builder_insert_after_cf_list(nir_builder *build,
+ struct exec_list *cf_node_list)
+{
+ build->cf_node_list = cf_node_list;
+}
+
+
+static inline nir_ssa_def *
+nir_build_alu(nir_builder *build, nir_op op, nir_ssa_def *src0,
+ nir_ssa_def *src1, nir_ssa_def *src2, nir_ssa_def *src3)
+{
+ const nir_op_info *op_info = &nir_op_infos[op];
+ nir_alu_instr *instr = nir_alu_instr_create(build->shader, op);
+ if (!instr)
+ return NULL;
+
+ instr->src[0].src = nir_src_for_ssa(src0);
+ if (src1)
+ instr->src[1].src = nir_src_for_ssa(src1);
+ if (src2)
+ instr->src[2].src = nir_src_for_ssa(src2);
+ if (src3)
+ instr->src[3].src = nir_src_for_ssa(src3);
+
+ /* Guess the number of components the destination temporary should have
+ * based on our input sizes, if it's not fixed for the op.
+ */
+ unsigned num_components = op_info->output_size;
+ if (num_components == 0) {
+ for (unsigned i = 0; i < op_info->num_inputs; i++) {
+ if (op_info->input_sizes[i] == 0)
+ num_components = MAX2(num_components,
+ instr->src[i].src.ssa->num_components);
+ }
+ }
+ assert(num_components != 0);
+
+ /* Make sure we don't swizzle from outside of our source vector (like if a
+ * scalar value was passed into a multiply with a vector).
+ */
+ for (unsigned i = 0; i < op_info->num_inputs; i++) {
+ for (unsigned j = instr->src[i].src.ssa->num_components; j < 4; j++) {
+ instr->src[i].swizzle[j] = instr->src[i].src.ssa->num_components - 1;
+ }
+ }
+
+ nir_ssa_dest_init(&instr->instr, &instr->dest.dest, num_components, NULL);
+ instr->dest.write_mask = (1 << num_components) - 1;
+
+ nir_instr_insert_after_cf_list(build->cf_node_list, &instr->instr);
+
+ return &instr->dest.dest.ssa;
+}
+
+#define ALU1(op) \
+static inline nir_ssa_def * \
+nir_##op(nir_builder *build, nir_ssa_def *src0) \
+{ \
+ return nir_build_alu(build, nir_op_##op, src0, NULL, NULL, NULL); \
+}
+
+#define ALU2(op) \
+static inline nir_ssa_def * \
+nir_##op(nir_builder *build, nir_ssa_def *src0, nir_ssa_def *src1) \
+{ \
+ return nir_build_alu(build, nir_op_##op, src0, src1, NULL, NULL); \
+}
+
+#define ALU3(op) \
+static inline nir_ssa_def * \
+nir_##op(nir_builder *build, nir_ssa_def *src0, \
+ nir_ssa_def *src1, nir_ssa_def *src2) \
+{ \
+ return nir_build_alu(build, nir_op_##op, src0, src1, src2, NULL); \
+}
+
+#define ALU4(op) \
+static inline nir_ssa_def * \
+nir_##op(nir_builder *build, nir_ssa_def *src0, \
+ nir_ssa_def *src1, nir_ssa_def *src2, nir_ssa_def *src3) \
+{ \
+ return nir_build_alu(build, nir_op_##op, src0, src1, src2, src3); \
+}
+
+#include "nir_builder_opcodes.h"
+
+#endif /* NIR_BUILDER_H */
diff --git a/src/glsl/nir/nir_builder_opcodes_h.py b/src/glsl/nir/nir_builder_opcodes_h.py
new file mode 100644
index 00000000000..e27206ea8fc
--- /dev/null
+++ b/src/glsl/nir/nir_builder_opcodes_h.py
@@ -0,0 +1,38 @@
+#! /usr/bin/env python
+
+template = """\
+/* Copyright (C) 2015 Broadcom
+ *
+ * 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.
+ */
+
+#ifndef _NIR_BUILDER_OPCODES_
+#define _NIR_BUILDER_OPCODES_
+
+% for name, opcode in sorted(opcodes.iteritems()):
+ALU${opcode.num_inputs}(${name});
+% endfor
+
+#endif /* _NIR_BUILDER_OPCODES_ */"""
+
+from nir_opcodes import opcodes
+from mako.template import Template
+
+print Template(template).render(opcodes=opcodes)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 07:53:08 +0000