pan/bi: Test dual texture fusing

These patterns are quite tricky, so let's make sure we're testing
adequately.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13723>
This commit is contained in:
Alyssa Rosenzweig 2021-11-08 14:52:03 -05:00 committed by Marge Bot
parent 9146bafbb4
commit 0c215813f7
2 changed files with 212 additions and 0 deletions

View file

@ -149,6 +149,7 @@ if with_tests
'bifrost_tests',
files(
'test/test-constant-fold.cpp',
'test/test-dual-texture.cpp',
'test/test-optimizer.cpp',
'test/test-pack-formats.cpp',
'test/test-packing.cpp',

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@ -0,0 +1,211 @@
/*
* Copyright (C) 2021 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.
*/
#include "compiler.h"
#include "bi_test.h"
#include "bi_builder.h"
#include <gtest/gtest.h>
#define CASE(shader_stage, instr, expected) do { \
bi_builder *A = bit_builder(mem_ctx); \
bi_builder *B = bit_builder(mem_ctx); \
{ \
bi_builder *b = A; \
bi_index u = bi_temp(b->shader); \
bi_index v = bi_temp(b->shader); \
A->shader->stage = MESA_SHADER_ ## shader_stage; \
instr; \
} \
{ \
bi_builder *b = B; \
bi_index u = bi_temp(b->shader); \
bi_index v = bi_temp(b->shader); \
B->shader->stage = MESA_SHADER_ ## shader_stage; \
expected; \
} \
bi_opt_fuse_dual_texture(A->shader); \
if (!bit_shader_equal(A->shader, B->shader)) { \
ADD_FAILURE(); \
fprintf(stderr, "Optimization produce unexpected result"); \
fprintf(stderr, " Actual:\n"); \
bi_print_shader(A->shader, stderr); \
fprintf(stderr, "Expected:\n"); \
bi_print_shader(B->shader, stderr); \
fprintf(stderr, "\n"); \
} \
} while(0)
#define NEGCASE(stage, instr) CASE(stage, instr, instr)
class DualTexture : public testing::Test {
protected:
DualTexture() {
mem_ctx = ralloc_context(NULL);
reg = bi_register(0);
x = bi_register(4);
y = bi_register(8);
}
~DualTexture() {
ralloc_free(mem_ctx);
}
void *mem_ctx;
bi_index reg, x, y;
};
TEST_F(DualTexture, FuseDualTexFragment)
{
CASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F00144), false, 4, 4);
});
}
TEST_F(DualTexture, FuseDualTexKernel)
{
CASE(KERNEL, {
bi_texs_2d_f32_to(b, x, u, v, true, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, true, 1, 1);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F00144), true, 4, 4);
});
}
TEST_F(DualTexture, FuseDualTexVertex)
{
CASE(VERTEX, {
bi_texs_2d_f32_to(b, x, u, v, true, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, true, 1, 1);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F00144), true, 4, 4);
});
}
TEST_F(DualTexture, DontFuseDualTexWrongStage)
{
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, true, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, true, 1, 1);
});
NEGCASE(KERNEL, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
});
NEGCASE(VERTEX, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
});
}
TEST_F(DualTexture, FuseDualTexMaximumIndex)
{
CASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 2, 2);
bi_texs_2d_f32_to(b, y, u, v, false, 3, 3);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F003E6), false, 4, 4);
});
}
TEST_F(DualTexture, FuseDualTexMixedIndex)
{
CASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 3, 2);
bi_texs_2d_f32_to(b, y, u, v, false, 2, 3);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF9F003A7), false, 4, 4);
});
}
TEST_F(DualTexture, DontFuseDualTexOutOfBounds)
{
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 4, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
});
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 4);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
});
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 4, 1);
});
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 4);
});
}
TEST_F(DualTexture, FuseDualTexFP16)
{
CASE(FRAGMENT, {
bi_texs_2d_f16_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f16_to(b, y, u, v, false, 1, 1);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF1E00144), false, 2, 2);
});
}
TEST_F(DualTexture, FuseDualTexMixedSize)
{
CASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f16_to(b, y, u, v, false, 1, 1);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0XF9E00144), false, 4, 2);
});
CASE(FRAGMENT, {
bi_texs_2d_f16_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
}, {
bi_texc_to(b, x, y, bi_null(), u, v, bi_imm_u32(0xF1F00144), false, 2, 4);
});
}
TEST_F(DualTexture, DontFuseMixedCoordinates)
{
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, bi_neg(u), v, false, 0, 0);
bi_texs_2d_f32_to(b, y, u, v, false, 1, 1);
});
NEGCASE(FRAGMENT, {
bi_texs_2d_f32_to(b, x, u, v, false, 0, 0);
bi_texs_2d_f32_to(b, y, v, u, false, 1, 1);
});
}