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98cb7e0108
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20812>
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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* Copyright © 2023 Valve Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <gtest/gtest.h>
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#include "nir.h"
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#include "nir_builder.h"
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namespace {
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class nir_lower_alu_width_test : public ::testing::Test {
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protected:
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nir_lower_alu_width_test();
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~nir_lower_alu_width_test();
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nir_builder b;
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};
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nir_lower_alu_width_test::nir_lower_alu_width_test()
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{
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glsl_type_singleton_init_or_ref();
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static const nir_shader_compiler_options options = { };
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b = nir_builder_init_simple_shader(MESA_SHADER_VERTEX, &options, "nir_lower_alu_width test");
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}
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nir_lower_alu_width_test::~nir_lower_alu_width_test()
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{
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ralloc_free(b.shader);
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glsl_type_singleton_decref();
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}
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TEST_F(nir_lower_alu_width_test, fdot_order)
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{
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nir_variable *res_var = nir_local_variable_create(b.impl, glsl_float_type(), "res");
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b.exact = true;
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/* If this isn't done in xyz order, it evaluates to infinity. */
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nir_ssa_def *val = nir_fdot(
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&b, nir_imm_vec3(&b, 1.7014118346046923e+38, 1.7014118346046923e+38, 8.507059173023462e+37),
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nir_imm_vec3(&b, -0.5, 1.5, 1.0));
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nir_intrinsic_instr *store =
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nir_build_store_deref(&b, &nir_build_deref_var(&b, res_var)->dest.ssa, val);
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nir_lower_alu_width(b.shader, NULL, NULL);
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nir_opt_constant_folding(b.shader);
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ASSERT_TRUE(nir_src_is_const(store->src[1]));
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EXPECT_EQ(nir_src_as_float(store->src[1]), 2.5521177519070385e+38);
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}
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}
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