Nothing Gallium about it.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
nir/nir_lower_blend.c \
nir/nir_lower_blend.h \
nir/nir_lower_framebuffer.c \
- nir/nir_undef_to_zero.c \
\
pan_afbc.c \
pan_allocate.c \
'pan_resource.c',
'pan_resource.h',
- 'nir/nir_undef_to_zero.c',
'nir/nir_lower_blend.c',
'nir/nir_lower_framebuffer.c',
+++ /dev/null
-/*
- * Copyright (C) 2019 Collabora, Ltd.
- *
- * 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 (Collabora):
- * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
- */
-
-/**
- * @file
- *
- * Flushes undefined SSA values to a zero vector fo the appropriate component
- * count, to avoid undefined behaviour in the resulting shader. Not required
- * for conformance as use of uninitialized variables is explicitly left
- * undefined by the spec. Works around buggy apps, however.
- *
- * Call immediately after nir_opt_undef. If called before, larger optimization
- * opportunities from the former pass will be missed. If called outside of an
- * optimization loop, constant propagation and algebraic optimizations won't be
- * able to kick in to reduce stuff consuming the zero.
- */
-
-#include "compiler/nir/nir.h"
-#include "compiler/nir/nir_builder.h"
-
-bool nir_undef_to_zero(nir_shader *shader);
-
-bool
-nir_undef_to_zero(nir_shader *shader)
-{
- bool progress = false;
-
- nir_foreach_function(function, shader) {
- if (!function->impl) continue;
-
- nir_builder b;
- nir_builder_init(&b, function->impl);
-
- nir_foreach_block(block, function->impl) {
- nir_foreach_instr_safe(instr, block) {
- if (instr->type != nir_instr_type_ssa_undef) continue;
-
- nir_ssa_undef_instr *und = nir_instr_as_ssa_undef(instr);
-
- /* Get the required size */
- unsigned c = und->def.num_components;
- unsigned s = und->def.bit_size;
-
- nir_const_value v[NIR_MAX_VEC_COMPONENTS];
- memset(v, 0, sizeof(v));
-
- b.cursor = nir_before_instr(instr);
- nir_ssa_def *zero = nir_build_imm(&b, c, s, v);
- nir_src zerosrc = nir_src_for_ssa(zero);
-
- nir_ssa_def_rewrite_uses(&und->def, zerosrc);
-
- progress |= true;
- }
- }
-
- nir_metadata_preserve(function->impl, nir_metadata_block_index | nir_metadata_dominance);
-
- }
-
- return progress;
-}
-
-
midgard/mir.c \
midgard/mir_promote_uniforms.c \
midgard/mir_squeeze.c \
+ midgard/nir_undef_to_zero.c \
midgard/lcra.c
shared_FILES := \
'midgard_opt_float.c',
'midgard_opt_perspective.c',
'midgard_errata_lod.c',
+ 'nir_undef_to_zero.c',
'disassemble.c',
'lcra.c'
)
--- /dev/null
+/*
+ * Copyright (C) 2019 Collabora, Ltd.
+ *
+ * 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 (Collabora):
+ * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
+ */
+
+/**
+ * @file
+ *
+ * Flushes undefined SSA values to a zero vector fo the appropriate component
+ * count, to avoid undefined behaviour in the resulting shader. Not required
+ * for conformance as use of uninitialized variables is explicitly left
+ * undefined by the spec. Works around buggy apps, however.
+ *
+ * Call immediately after nir_opt_undef. If called before, larger optimization
+ * opportunities from the former pass will be missed. If called outside of an
+ * optimization loop, constant propagation and algebraic optimizations won't be
+ * able to kick in to reduce stuff consuming the zero.
+ */
+
+#include "compiler/nir/nir.h"
+#include "compiler/nir/nir_builder.h"
+
+bool nir_undef_to_zero(nir_shader *shader);
+
+bool
+nir_undef_to_zero(nir_shader *shader)
+{
+ bool progress = false;
+
+ nir_foreach_function(function, shader) {
+ if (!function->impl) continue;
+
+ nir_builder b;
+ nir_builder_init(&b, function->impl);
+
+ nir_foreach_block(block, function->impl) {
+ nir_foreach_instr_safe(instr, block) {
+ if (instr->type != nir_instr_type_ssa_undef) continue;
+
+ nir_ssa_undef_instr *und = nir_instr_as_ssa_undef(instr);
+
+ /* Get the required size */
+ unsigned c = und->def.num_components;
+ unsigned s = und->def.bit_size;
+
+ nir_const_value v[NIR_MAX_VEC_COMPONENTS];
+ memset(v, 0, sizeof(v));
+
+ b.cursor = nir_before_instr(instr);
+ nir_ssa_def *zero = nir_build_imm(&b, c, s, v);
+ nir_src zerosrc = nir_src_for_ssa(zero);
+
+ nir_ssa_def_rewrite_uses(&und->def, zerosrc);
+
+ progress |= true;
+ }
+ }
+
+ nir_metadata_preserve(function->impl, nir_metadata_block_index | nir_metadata_dominance);
+
+ }
+
+ return progress;
+}
+
+
projects / mesa.git / commitdiff