mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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e5339fe4a4
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4324>
331 lines
11 KiB
C++
331 lines
11 KiB
C++
/*
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* Copyright © 2013 Intel 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 "util/compiler.h"
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#include "main/mtypes.h"
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#include "main/macros.h"
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#include "util/ralloc.h"
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#include "ir.h"
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#include "util/hash_table.h"
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/**
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* \file varyings_test.cpp
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*
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* Test various aspects of linking shader stage inputs and outputs.
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*/
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namespace linker {
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void
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populate_consumer_input_sets(void *mem_ctx, exec_list *ir,
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hash_table *consumer_inputs,
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hash_table *consumer_interface_inputs,
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ir_variable *consumer_inputs_with_locations[VARYING_SLOT_MAX]);
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ir_variable *
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get_matching_input(void *mem_ctx,
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const ir_variable *output_var,
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hash_table *consumer_inputs,
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hash_table *consumer_interface_inputs,
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ir_variable *consumer_inputs_with_locations[VARYING_SLOT_MAX]);
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}
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class link_varyings : public ::testing::Test {
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public:
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virtual void SetUp();
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virtual void TearDown();
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char *interface_field_name(const glsl_type *iface, unsigned field = 0)
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{
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return ralloc_asprintf(mem_ctx,
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"%s.%s",
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iface->name,
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iface->fields.structure[field].name);
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}
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void *mem_ctx;
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exec_list ir;
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hash_table *consumer_inputs;
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hash_table *consumer_interface_inputs;
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const glsl_type *simple_interface;
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ir_variable *junk[VARYING_SLOT_TESS_MAX];
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};
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void
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link_varyings::SetUp()
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{
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glsl_type_singleton_init_or_ref();
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this->mem_ctx = ralloc_context(NULL);
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this->ir.make_empty();
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this->consumer_inputs =
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_mesa_hash_table_create(NULL, _mesa_hash_string,
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_mesa_key_string_equal);
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this->consumer_interface_inputs =
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_mesa_hash_table_create(NULL, _mesa_hash_string,
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_mesa_key_string_equal);
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/* Needs to happen after glsl type initialization */
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static const glsl_struct_field f[] = {
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glsl_struct_field(glsl_type::vec(4), "v")
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};
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this->simple_interface =
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glsl_type::get_interface_instance(f,
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ARRAY_SIZE(f),
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GLSL_INTERFACE_PACKING_STD140,
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false,
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"simple_interface");
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}
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void
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link_varyings::TearDown()
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{
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ralloc_free(this->mem_ctx);
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this->mem_ctx = NULL;
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_mesa_hash_table_destroy(this->consumer_inputs, NULL);
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this->consumer_inputs = NULL;
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_mesa_hash_table_destroy(this->consumer_interface_inputs, NULL);
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this->consumer_interface_inputs = NULL;
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glsl_type_singleton_decref();
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}
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TEST_F(link_varyings, single_simple_input)
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{
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ir_variable *const v =
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new(mem_ctx) ir_variable(glsl_type::vec(4),
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"a",
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ir_var_shader_in);
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ir.push_tail(v);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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hash_entry *entry = _mesa_hash_table_search(consumer_inputs, "a");
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EXPECT_EQ((void *) v, entry->data);
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EXPECT_EQ(1u, consumer_inputs->entries);
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EXPECT_TRUE(consumer_interface_inputs->entries == 0);
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}
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TEST_F(link_varyings, gl_ClipDistance)
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{
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const glsl_type *const array_8_of_float =
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glsl_type::get_array_instance(glsl_type::vec(1), 8);
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ir_variable *const clipdistance =
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new(mem_ctx) ir_variable(array_8_of_float,
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"gl_ClipDistance",
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ir_var_shader_in);
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clipdistance->data.explicit_location = true;
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clipdistance->data.location = VARYING_SLOT_CLIP_DIST0;
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clipdistance->data.explicit_index = 0;
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ir.push_tail(clipdistance);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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EXPECT_EQ(clipdistance, junk[VARYING_SLOT_CLIP_DIST0]);
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EXPECT_TRUE(consumer_inputs->entries == 0);
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EXPECT_TRUE(consumer_interface_inputs->entries == 0);
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}
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TEST_F(link_varyings, gl_CullDistance)
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{
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const glsl_type *const array_8_of_float =
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glsl_type::get_array_instance(glsl_type::vec(1), 8);
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ir_variable *const culldistance =
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new(mem_ctx) ir_variable(array_8_of_float,
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"gl_CullDistance",
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ir_var_shader_in);
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culldistance->data.explicit_location = true;
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culldistance->data.location = VARYING_SLOT_CULL_DIST0;
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culldistance->data.explicit_index = 0;
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ir.push_tail(culldistance);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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EXPECT_EQ(culldistance, junk[VARYING_SLOT_CULL_DIST0]);
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EXPECT_TRUE(consumer_inputs->entries == 0);
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EXPECT_TRUE(consumer_interface_inputs->entries == 0);
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}
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TEST_F(link_varyings, single_interface_input)
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{
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ir_variable *const v =
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new(mem_ctx) ir_variable(simple_interface->fields.structure[0].type,
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simple_interface->fields.structure[0].name,
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ir_var_shader_in);
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v->init_interface_type(simple_interface);
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ir.push_tail(v);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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char *const full_name = interface_field_name(simple_interface);
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hash_entry *entry = _mesa_hash_table_search(consumer_interface_inputs,
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full_name);
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EXPECT_EQ((void *) v, entry->data);
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EXPECT_EQ(1u, consumer_interface_inputs->entries);
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EXPECT_TRUE(consumer_inputs->entries == 0);
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}
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TEST_F(link_varyings, one_interface_and_one_simple_input)
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{
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ir_variable *const v =
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new(mem_ctx) ir_variable(glsl_type::vec(4),
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"a",
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ir_var_shader_in);
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ir.push_tail(v);
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ir_variable *const iface =
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new(mem_ctx) ir_variable(simple_interface->fields.structure[0].type,
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simple_interface->fields.structure[0].name,
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ir_var_shader_in);
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iface->init_interface_type(simple_interface);
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ir.push_tail(iface);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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char *const iface_field_name = interface_field_name(simple_interface);
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hash_entry *entry = _mesa_hash_table_search(consumer_interface_inputs,
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iface_field_name);
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EXPECT_EQ((void *) iface, entry->data);
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EXPECT_EQ(1u, consumer_interface_inputs->entries);
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entry = _mesa_hash_table_search(consumer_inputs, "a");
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EXPECT_EQ((void *) v, entry->data);
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EXPECT_EQ(1u, consumer_inputs->entries);
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}
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TEST_F(link_varyings, interface_field_doesnt_match_noninterface)
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{
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char *const iface_field_name = interface_field_name(simple_interface);
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/* The input shader has a single input variable name "a.v"
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*/
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ir_variable *const in_v =
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new(mem_ctx) ir_variable(glsl_type::vec(4),
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iface_field_name,
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ir_var_shader_in);
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ir.push_tail(in_v);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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/* Create an output variable, "v", that is part of an interface block named
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* "a". They should not match.
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*/
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ir_variable *const out_v =
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new(mem_ctx) ir_variable(simple_interface->fields.structure[0].type,
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simple_interface->fields.structure[0].name,
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ir_var_shader_in);
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out_v->init_interface_type(simple_interface);
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ir_variable *const match =
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linker::get_matching_input(mem_ctx,
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out_v,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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EXPECT_EQ(NULL, match);
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}
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TEST_F(link_varyings, interface_field_doesnt_match_noninterface_vice_versa)
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{
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char *const iface_field_name = interface_field_name(simple_interface);
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/* In input shader has a single variable, "v", that is part of an interface
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* block named "a".
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*/
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ir_variable *const in_v =
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new(mem_ctx) ir_variable(simple_interface->fields.structure[0].type,
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simple_interface->fields.structure[0].name,
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ir_var_shader_in);
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in_v->init_interface_type(simple_interface);
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ir.push_tail(in_v);
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linker::populate_consumer_input_sets(mem_ctx,
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&ir,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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/* Create an output variable "a.v". They should not match.
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*/
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ir_variable *const out_v =
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new(mem_ctx) ir_variable(glsl_type::vec(4),
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iface_field_name,
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ir_var_shader_out);
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ir_variable *const match =
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linker::get_matching_input(mem_ctx,
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out_v,
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consumer_inputs,
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consumer_interface_inputs,
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junk);
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EXPECT_EQ(NULL, match);
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}
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