/*
* Copyright © 2013 Intel Corporation
*
* 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.
*/
#include <gtest/gtest.h>
#include "main/compiler.h"
#include "main/mtypes.h"
#include "main/macros.h"
#include "util/ralloc.h"
#include "ir.h"
#include "linker.h"
/**
* \file varyings_test.cpp
*
* Test various aspects of linking shader stage inputs and outputs.
*/
class invalidate_locations : public ::testing::Test {
public:
virtual void SetUp();
virtual void TearDown();
void *mem_ctx;
exec_list ir;
};
void
invalidate_locations::SetUp()
{
this->mem_ctx = ralloc_context(NULL);
this->ir.make_empty();
}
void
invalidate_locations::TearDown()
{
ralloc_free(this->mem_ctx);
this->mem_ctx = NULL;
}
TEST_F(invalidate_locations, simple_vertex_in_generic)
{
ir_variable *const var =
new(mem_ctx) ir_variable(glsl_type::vec(4),
"a",
ir_var_shader_in);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_EQ(-1, var->data.location);
var->data.location = VERT_ATTRIB_GENERIC0;
var->data.location_frac = 2;
ir.push_tail(var);
link_invalidate_variable_locations(&ir);
EXPECT_EQ(-1, var->data.location);
EXPECT_EQ(0u, var->data.location_frac);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_TRUE(var->data.is_unmatched_generic_inout);
}
TEST_F(invalidate_locations, explicit_location_vertex_in_generic)
{
ir_variable *const var =
new(mem_ctx) ir_variable(glsl_type::vec(4),
"a",
ir_var_shader_in);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_EQ(-1, var->data.location);
var->data.location = VERT_ATTRIB_GENERIC0;
var->data.explicit_location = true;
ir.push_tail(var);
link_invalidate_variable_locations(&ir);
EXPECT_EQ(VERT_ATTRIB_GENERIC0, var->data.location);
EXPECT_EQ(0u, var->data.location_frac);
EXPECT_TRUE(var->data.explicit_location);
EXPECT_FALSE(var->data.is_unmatched_generic_inout);
}
TEST_F(invalidate_locations, explicit_location_frac_vertex_in_generic)
{
ir_variable *const var =
new(mem_ctx) ir_variable(glsl_type::vec(4),
"a",
ir_var_shader_in);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_EQ(-1, var->data.location);
var->data.location = VERT_ATTRIB_GENERIC0;
var->data.location_frac = 2;
var->data.explicit_location = true;
ir.push_tail(var);
link_invalidate_variable_locations(&ir);
EXPECT_EQ(VERT_ATTRIB_GENERIC0, var->data.location);
EXPECT_EQ(2u, var->data.location_frac);
EXPECT_TRUE(var->data.explicit_location);
EXPECT_FALSE(var->data.is_unmatched_generic_inout);
}
TEST_F(invalidate_locations, vertex_in_builtin)
{
ir_variable *const var =
new(mem_ctx) ir_variable(glsl_type::vec(4),
"gl_Vertex",
ir_var_shader_in);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_EQ(-1, var->data.location);
var->data.location = VERT_ATTRIB_POS;
var->data.explicit_location = true;
ir.push_tail(var);
link_invalidate_variable_locations(&ir);
EXPECT_EQ(VERT_ATTRIB_POS, var->data.location);
EXPECT_EQ(0u, var->data.location_frac);
EXPECT_TRUE(var->data.explicit_location);
EXPECT_FALSE(var->data.is_unmatched_generic_inout);
}
TEST_F(invalidate_locations, simple_vertex_out_generic)
{
ir_variable *const var =
new(mem_ctx) ir_variable(glsl_type::vec(4),
"a",
ir_var_shader_out);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_EQ(-1, var->data.location);
var->data.location = VARYING_SLOT_VAR0;
ir.push_tail(var);
link_invalidate_variable_locations(&ir);
EXPECT_EQ(-1, var->data.location);
EXPECT_EQ(0u, var->data.location_frac);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_TRUE(var->data.is_unmatched_generic_inout);
}
TEST_F(invalidate_locations, vertex_out_builtin)
{
ir_variable *const var =
new(mem_ctx) ir_variable(glsl_type::vec(4),
"gl_FrontColor",
ir_var_shader_out);
EXPECT_FALSE(var->data.explicit_location);
EXPECT_EQ(-1, var->data.location);
var->data.location = VARYING_SLOT_COL0;
var->data.explicit_location = true;
ir.push_tail(var);
link_invalidate_variable_locations(&ir);
EXPECT_EQ(VARYING_SLOT_COL0, var->data.location);
EXPECT_EQ(0u, var->data.location_frac);
EXPECT_TRUE(var->data.explicit_location);
EXPECT_FALSE(var->data.is_unmatched_generic_inout);
}