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skia / skia / bb654fc24858b7b6a70dce187f9b8940de5b0674 / . / tests / RasterPipelineBuilderTest.cpp
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/*
* Copyright 2022 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkStream.h"
#include "src/base/SkArenaAlloc.h"
#include "src/base/SkStringView.h"
#include "src/core/SkOpts.h"
#include "src/core/SkRasterPipeline.h"
#include "src/sksl/codegen/SkSLRasterPipelineBuilder.h"
#include "tests/Test.h"
static sk_sp<SkData> get_program_dump(SkSL::RP::Program& program) {
SkDynamicMemoryWStream stream;
program.dump(&stream);
return stream.detachAsData();
}
static std::string_view as_string_view(sk_sp<SkData> dump) {
return std::string_view(static_cast<const char*>(dump->data()), dump->size());
}
static void check(skiatest::Reporter* r, SkSL::RP::Program& program, std::string_view expected) {
// Verify that the program matches expectations.
sk_sp<SkData> dump = get_program_dump(program);
REPORTER_ASSERT(r, as_string_view(dump) == expected,
"Output did not match expectation:\n%.*s",
(int)dump->size(), static_cast<const char*>(dump->data()));
}
static SkSL::RP::SlotRange one_slot_at(SkSL::RP::Slot index) {
return SkSL::RP::SlotRange{index, 1};
}
static SkSL::RP::SlotRange two_slots_at(SkSL::RP::Slot index) {
return SkSL::RP::SlotRange{index, 2};
}
static SkSL::RP::SlotRange three_slots_at(SkSL::RP::Slot index) {
return SkSL::RP::SlotRange{index, 3};
}
static SkSL::RP::SlotRange four_slots_at(SkSL::RP::Slot index) {
return SkSL::RP::SlotRange{index, 4};
}
static SkSL::RP::SlotRange five_slots_at(SkSL::RP::Slot index) {
return SkSL::RP::SlotRange{index, 5};
}
DEF_TEST(RasterPipelineBuilder, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.store_src_rg(two_slots_at(0));
builder.store_src(four_slots_at(2));
builder.store_dst(four_slots_at(6));
builder.init_lane_masks();
builder.enableExecutionMaskWrites();
builder.mask_off_return_mask();
builder.mask_off_loop_mask();
builder.reenable_loop_mask(one_slot_at(4));
builder.disableExecutionMaskWrites();
builder.load_src(four_slots_at(1));
builder.load_dst(four_slots_at(3));
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/10,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. store_src_rg v0..1 = src.rg
2. store_src v2..5 = src.rgba
3. store_dst v6..9 = dst.rgba
4. init_lane_masks CondMask = LoopMask = RetMask = true
5. mask_off_return_mask RetMask &= ~(CondMask & LoopMask & RetMask)
6. mask_off_loop_mask LoopMask &= ~(CondMask & LoopMask & RetMask)
7. reenable_loop_mask LoopMask |= v4
8. load_src src.rgba = v1..4
9. load_dst dst.rgba = v3..6
)");
}
DEF_TEST(RasterPipelineBuilderImmediate, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.immediate_f(333.0f);
builder.immediate_f(0.0f);
builder.immediate_f(-5555.0f);
builder.immediate_i(-123);
builder.immediate_u(456);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. immediate_f src.r = 0x43A68000 (333.0)
2. immediate_f src.r = 0x00000000 (0.0)
3. immediate_f src.r = 0xC5AD9800 (-5555.0)
4. immediate_f src.r = 0xFFFFFF85
5. immediate_f src.r = 0x000001C8 (6.389921e-43)
)");
}
DEF_TEST(RasterPipelineBuilderLoadStoreAccumulator, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.load_unmasked(12);
builder.store_unmasked(34);
builder.store_unmasked(56);
builder.store_masked(0);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/57,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. load_unmasked src.r = v12
2. store_unmasked v34 = src.r
3. store_unmasked v56 = src.r
4. store_masked v0 = Mask(src.r)
)");
}
DEF_TEST(RasterPipelineBuilderPushPopMaskRegisters, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
REPORTER_ASSERT(r, !builder.executionMaskWritesAreEnabled());
builder.enableExecutionMaskWrites();
REPORTER_ASSERT(r, builder.executionMaskWritesAreEnabled());
builder.push_condition_mask(); // push into 0
builder.push_loop_mask(); // push into 1
builder.push_return_mask(); // push into 2
builder.merge_condition_mask(); // set the condition-mask to 1 & 2
builder.pop_condition_mask(); // pop from 2
builder.merge_loop_mask(); // mask off the loop-mask against 1
builder.push_condition_mask(); // push into 2
builder.pop_condition_mask(); // pop from 2
builder.pop_loop_mask(); // pop from 1
builder.pop_return_mask(); // pop from 0
builder.push_condition_mask(); // push into 0
builder.pop_condition_mask(); // pop from 0
REPORTER_ASSERT(r, builder.executionMaskWritesAreEnabled());
builder.disableExecutionMaskWrites();
REPORTER_ASSERT(r, !builder.executionMaskWritesAreEnabled());
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. store_condition_mask $0 = CondMask
2. store_loop_mask $1 = LoopMask
3. store_return_mask $2 = RetMask
4. merge_condition_mask CondMask = $1 & $2
5. load_condition_mask CondMask = $2
6. merge_loop_mask LoopMask &= $1
7. store_condition_mask $2 = CondMask
8. load_condition_mask CondMask = $2
9. load_loop_mask LoopMask = $1
10. load_return_mask RetMask = $0
11. store_condition_mask $0 = CondMask
12. load_condition_mask CondMask = $0
)");
}
DEF_TEST(RasterPipelineBuilderPushPopTempImmediates, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.set_current_stack(1);
builder.push_literal_i(999); // push into 2
builder.set_current_stack(0);
builder.push_literal_f(13.5f); // push into 0
builder.push_clone_from_stack(/*numSlots=*/1, /*otherStackIndex=*/1); // push into 1 from 2
builder.discard_stack(); // discard 2
builder.push_literal_u(357); // push into 2
builder.set_current_stack(1);
builder.push_clone_from_stack(/*numSlots=*/1, /*otherStackIndex=*/0,
/*offsetFromStackTop=*/1); // push into 3 from 0
builder.discard_stack(2); // discard 2 and 3
builder.set_current_stack(0);
builder.discard_stack(2); // discard 0 and 1
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/1,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $2 = 0x000003E7 (1.399897e-42)
2. copy_constant $0 = 0x41580000 (13.5)
3. copy_constant $1 = 0x00000165 (5.002636e-43)
)");
}
DEF_TEST(RasterPipelineBuilderCopySlotsMasked, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.copy_slots_masked(two_slots_at(0), two_slots_at(2));
builder.copy_slots_masked(four_slots_at(1), four_slots_at(5));
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/9,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_2_slots_masked v0..1 = Mask(v2..3)
2. copy_4_slots_masked v1..4 = Mask(v5..8)
)");
}
DEF_TEST(RasterPipelineBuilderCopySlotsUnmasked, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.copy_slots_unmasked(three_slots_at(0), three_slots_at(2));
builder.copy_slots_unmasked(five_slots_at(1), five_slots_at(5));
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/10,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_3_slots_unmasked v0..2 = v2..4
2. copy_4_slots_unmasked v1..4 = v5..8
3. copy_slot_unmasked v5 = v9
)");
}
DEF_TEST(RasterPipelineBuilderPushPopSlots, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_slots(four_slots_at(10)); // push from 10~13 into $0~$3
builder.copy_stack_to_slots(one_slot_at(5), 3); // copy from $1 into 5
builder.pop_slots_unmasked(two_slots_at(20)); // pop from $2~$3 into 20~21 (unmasked)
builder.enableExecutionMaskWrites();
builder.copy_stack_to_slots_unmasked(one_slot_at(4), 2); // copy from $0 into 4
builder.push_slots(three_slots_at(30)); // push from 30~32 into $2~$4
builder.pop_slots(five_slots_at(0)); // pop from $0~$4 into 0~4 (masked)
builder.disableExecutionMaskWrites();
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/50,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_4_slots_unmasked $0..3 = v10..13
2. copy_slot_unmasked v5 = $1
3. copy_2_slots_unmasked v20..21 = $2..3
4. copy_slot_unmasked v4 = $0
5. copy_3_slots_unmasked $2..4 = v30..32
6. copy_4_slots_masked v0..3 = Mask($0..3)
7. copy_slot_masked v4 = Mask($4)
)");
}
DEF_TEST(RasterPipelineBuilderDuplicateSelectAndSwizzleSlots, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_literal_f(1.0f); // push into 0
builder.push_duplicates(1); // duplicate into 1
builder.push_duplicates(2); // duplicate into 2~3
builder.push_duplicates(3); // duplicate into 4~6
builder.push_duplicates(5); // duplicate into 7~11
builder.select(4); // select from 4~7 and 8~11 into 4~7
builder.select(3); // select from 2~4 and 5~7 into 2~4
builder.select(1); // select from 3 and 4 into 3
builder.swizzle(4, {3, 2, 1, 0}); // reverse the order of 0~3 (value.wzyx)
builder.swizzle(4, {1, 2}); // eliminate elements 0 and 3 (value.yz)
builder.swizzle(2, {0}); // eliminate element 1 (value.x)
builder.discard_stack(1); // balance stack
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/1,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x3F800000 (1.0)
2. copy_slot_unmasked $1 = $0
3. swizzle_3 $1..3 = ($1..3).xxx
4. swizzle_4 $3..6 = ($3..6).xxxx
5. swizzle_4 $6..9 = ($6..9).xxxx
6. swizzle_3 $9..11 = ($9..11).xxx
7. copy_4_slots_masked $4..7 = Mask($8..11)
8. copy_3_slots_masked $2..4 = Mask($5..7)
9. copy_slot_masked $3 = Mask($4)
10. swizzle_4 $0..3 = ($0..3).wzyx
11. swizzle_2 $0..1 = ($0..2).yz
)");
}
DEF_TEST(RasterPipelineBuilderTransposeMatrix, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_literal_f(1.0f); // push into 0
builder.push_duplicates(15); // duplicate into 1~15
builder.transpose(2, 2); // transpose a 2x2 matrix
builder.transpose(3, 3); // transpose a 3x3 matrix
builder.transpose(4, 4); // transpose a 4x4 matrix
builder.transpose(2, 4); // transpose a 2x4 matrix
builder.transpose(4, 3); // transpose a 4x3 matrix
builder.discard_stack(16); // balance stack
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x3F800000 (1.0)
2. swizzle_4 $0..3 = ($0..3).xxxx
3. copy_4_slots_unmasked $4..7 = $0..3
4. copy_4_slots_unmasked $8..11 = $4..7
5. copy_4_slots_unmasked $12..15 = $8..11
6. swizzle_3 $13..15 = ($13..15).yxz
7. shuffle $8..15 = ($8..15)[2 5 0 3 6 1 4 7]
8. shuffle $1..15 = ($1..15)[3 7 11 0 4 8 12 1 5 9 13 2 6 10 14]
9. shuffle $9..15 = ($9..15)[3 0 4 1 5 2 6]
10. shuffle $5..15 = ($5..15)[2 5 8 0 3 6 9 1 4 7 10]
)");
}
DEF_TEST(RasterPipelineBuilderDiagonalMatrix, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_literal_f(0.0f); // push into 0
builder.push_literal_f(1.0f); // push into 1
builder.diagonal_matrix(2, 2); // generate a 2x2 diagonal matrix
builder.discard_stack(4); // balance stack
builder.push_literal_f(0.0f); // push into 0
builder.push_literal_f(2.0f); // push into 1
builder.diagonal_matrix(4, 4); // generate a 4x4 diagonal matrix
builder.discard_stack(16); // balance stack
builder.push_literal_f(0.0f); // push into 0
builder.push_literal_f(3.0f); // push into 1
builder.diagonal_matrix(2, 3); // generate a 2x3 diagonal matrix
builder.discard_stack(6); // balance stack
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. zero_slot_unmasked $0 = 0
2. copy_constant $1 = 0x3F800000 (1.0)
3. swizzle_4 $0..3 = ($0..3).yxxy
4. zero_slot_unmasked $0 = 0
5. copy_constant $1 = 0x40000000 (2.0)
6. shuffle $0..15 = ($0..15)[1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1]
7. zero_slot_unmasked $0 = 0
8. copy_constant $1 = 0x40400000 (3.0)
9. shuffle $0..5 = ($0..5)[1 0 0 0 1 0]
)");
}
DEF_TEST(RasterPipelineBuilderMatrixResize, r) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_literal_f(1.0f); // synthesize a 2x2 matrix
builder.push_literal_f(2.0f);
builder.push_literal_f(3.0f);
builder.push_literal_f(4.0f);
builder.matrix_resize(2, 2, 4, 4); // resize 2x2 matrix into 4x4
builder.matrix_resize(4, 4, 2, 2); // resize 4x4 matrix back into 2x2
builder.matrix_resize(2, 2, 2, 4); // resize 2x2 matrix into 2x4
builder.matrix_resize(2, 4, 4, 2); // resize 2x4 matrix into 4x2
builder.matrix_resize(4, 2, 3, 3); // resize 4x2 matrix into 3x3
builder.discard_stack(9); // balance stack
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x3F800000 (1.0)
2. copy_constant $1 = 0x40000000 (2.0)
3. copy_constant $2 = 0x40400000 (3.0)
4. copy_constant $3 = 0x40800000 (4.0)
5. zero_slot_unmasked $4 = 0
6. copy_constant $5 = 0x3F800000 (1.0)
7. shuffle $2..15 = ($2..15)[2 2 0 1 2 2 2 2 3 2 2 2 2 3]
8. shuffle $2..3 = ($2..3)[2 3]
9. zero_slot_unmasked $4 = 0
10. shuffle $2..7 = ($2..7)[2 2 0 1 2 2]
11. zero_slot_unmasked $8 = 0
12. shuffle $2..7 = ($2..7)[2 3 6 6 6 6]
13. zero_slot_unmasked $8 = 0
14. copy_constant $9 = 0x3F800000 (1.0)
15. shuffle $2..8 = ($2..8)[6 0 1 6 2 3 7]
)");
}
DEF_TEST(RasterPipelineBuilderBranches, r) {
#if SK_HAS_MUSTTAIL
// We have guaranteed tail-calling, and don't need to rewind the stack.
static constexpr char kExpectationWithExecutionMaskWrites[] =
R"( 1. jump jump +4 (#5)
2. immediate_f src.r = 0x3F800000 (1.0)
3. immediate_f src.r = 0x40000000 (2.0)
4. branch_if_no_active_lanes branch_if_no_active_lanes -1 (#3)
5. immediate_f src.r = 0x40400000 (3.0)
6. branch_if_any_active_lanes branch_if_any_active_lanes -4 (#2)
)";
static constexpr char kExpectationWithKnownExecutionMask[] =
R"( 1. jump jump +3 (#4)
2. immediate_f src.r = 0x3F800000 (1.0)
3. immediate_f src.r = 0x40000000 (2.0)
4. immediate_f src.r = 0x40400000 (3.0)
5. jump jump -3 (#2)
)";
#else
// We don't have guaranteed tail-calling, so we rewind the stack immediately before any backward
// branches.
static constexpr char kExpectationWithExecutionMaskWrites[] =
R"( 1. jump jump +5 (#6)
2. immediate_f src.r = 0x3F800000 (1.0)
3. immediate_f src.r = 0x40000000 (2.0)
4. stack_rewind
5. branch_if_no_active_lanes branch_if_no_active_lanes -2 (#3)
6. immediate_f src.r = 0x40400000 (3.0)
7. stack_rewind
8. branch_if_any_active_lanes branch_if_any_active_lanes -6 (#2)
)";
static constexpr char kExpectationWithKnownExecutionMask[] =
R"( 1. jump jump +3 (#4)
2. immediate_f src.r = 0x3F800000 (1.0)
3. immediate_f src.r = 0x40000000 (2.0)
4. immediate_f src.r = 0x40400000 (3.0)
5. stack_rewind
6. jump jump -4 (#2)
)";
#endif
for (bool enableExecutionMaskWrites : {false, true}) {
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
int label1 = builder.nextLabelID();
int label2 = builder.nextLabelID();
int label3 = builder.nextLabelID();
if (enableExecutionMaskWrites) {
builder.enableExecutionMaskWrites();
}
builder.jump(label3);
builder.label(label1);
builder.immediate_f(1.0f);
builder.label(label2);
builder.immediate_f(2.0f);
builder.branch_if_no_active_lanes(label2);
builder.branch_if_no_active_lanes(label3);
builder.label(label3);
builder.immediate_f(3.0f);
builder.branch_if_any_active_lanes(label1);
builder.branch_if_any_active_lanes(label1);
if (enableExecutionMaskWrites) {
builder.disableExecutionMaskWrites();
}
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/1,
/*numUniformSlots=*/0);
check(r, *program, enableExecutionMaskWrites ? kExpectationWithExecutionMaskWrites
: kExpectationWithKnownExecutionMask);
}
}
DEF_TEST(RasterPipelineBuilderBinaryFloatOps, r) {
using BuilderOp = SkSL::RP::BuilderOp;
SkSL::RP::Builder builder;
builder.push_literal_f(10.0f);
builder.push_duplicates(30);
builder.binary_op(BuilderOp::add_n_floats, 1);
builder.binary_op(BuilderOp::sub_n_floats, 2);
builder.binary_op(BuilderOp::mul_n_floats, 3);
builder.binary_op(BuilderOp::div_n_floats, 4);
builder.binary_op(BuilderOp::max_n_floats, 3);
builder.binary_op(BuilderOp::min_n_floats, 2);
builder.binary_op(BuilderOp::cmplt_n_floats, 5);
builder.binary_op(BuilderOp::cmple_n_floats, 4);
builder.binary_op(BuilderOp::cmpeq_n_floats, 3);
builder.binary_op(BuilderOp::cmpne_n_floats, 2);
builder.discard_stack(2);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x41200000 (10.0)
2. swizzle_4 $0..3 = ($0..3).xxxx
3. copy_4_slots_unmasked $4..7 = $0..3
4. copy_4_slots_unmasked $8..11 = $4..7
5. copy_4_slots_unmasked $12..15 = $8..11
6. copy_4_slots_unmasked $16..19 = $12..15
7. copy_4_slots_unmasked $20..23 = $16..19
8. copy_4_slots_unmasked $24..27 = $20..23
9. swizzle_4 $27..30 = ($27..30).xxxx
10. add_float $29 += $30
11. sub_2_floats $26..27 -= $28..29
12. mul_3_floats $22..24 *= $25..27
13. div_4_floats $17..20 /= $21..24
14. max_3_floats $15..17 = max($15..17, $18..20)
15. min_2_floats $14..15 = min($14..15, $16..17)
16. cmplt_n_floats $6..10 = lessThan($6..10, $11..15)
17. cmple_4_floats $3..6 = lessThanEqual($3..6, $7..10)
18. cmpeq_3_floats $1..3 = equal($1..3, $4..6)
19. cmpne_2_floats $0..1 = notEqual($0..1, $2..3)
)");
}
DEF_TEST(RasterPipelineBuilderBinaryIntOps, r) {
using BuilderOp = SkSL::RP::BuilderOp;
SkSL::RP::Builder builder;
builder.push_literal_i(123);
builder.push_duplicates(40);
builder.binary_op(BuilderOp::bitwise_and_n_ints, 1);
builder.binary_op(BuilderOp::bitwise_xor_n_ints, 2);
builder.binary_op(BuilderOp::bitwise_or_n_ints, 3);
builder.binary_op(BuilderOp::add_n_ints, 2);
builder.binary_op(BuilderOp::sub_n_ints, 3);
builder.binary_op(BuilderOp::mul_n_ints, 4);
builder.binary_op(BuilderOp::div_n_ints, 5);
builder.binary_op(BuilderOp::max_n_ints, 4);
builder.binary_op(BuilderOp::min_n_ints, 3);
builder.binary_op(BuilderOp::cmplt_n_ints, 1);
builder.binary_op(BuilderOp::cmple_n_ints, 2);
builder.binary_op(BuilderOp::cmpeq_n_ints, 3);
builder.binary_op(BuilderOp::cmpne_n_ints, 4);
builder.discard_stack(4);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x0000007B (1.723597e-43)
2. swizzle_4 $0..3 = ($0..3).xxxx
3. copy_4_slots_unmasked $4..7 = $0..3
4. copy_4_slots_unmasked $8..11 = $4..7
5. copy_4_slots_unmasked $12..15 = $8..11
6. copy_4_slots_unmasked $16..19 = $12..15
7. copy_4_slots_unmasked $20..23 = $16..19
8. copy_4_slots_unmasked $24..27 = $20..23
9. copy_4_slots_unmasked $28..31 = $24..27
10. copy_4_slots_unmasked $32..35 = $28..31
11. copy_4_slots_unmasked $36..39 = $32..35
12. copy_slot_unmasked $40 = $39
13. bitwise_and_int $39 &= $40
14. bitwise_xor_2_ints $36..37 ^= $38..39
15. bitwise_or_3_ints $32..34 |= $35..37
16. add_2_ints $31..32 += $33..34
17. sub_3_ints $27..29 -= $30..32
18. mul_4_ints $22..25 *= $26..29
19. div_n_ints $16..20 /= $21..25
20. max_4_ints $13..16 = max($13..16, $17..20)
21. min_3_ints $11..13 = min($11..13, $14..16)
22. cmplt_int $12 = lessThan($12, $13)
23. cmple_2_ints $9..10 = lessThanEqual($9..10, $11..12)
24. cmpeq_3_ints $5..7 = equal($5..7, $8..10)
25. cmpne_4_ints $0..3 = notEqual($0..3, $4..7)
)");
}
DEF_TEST(RasterPipelineBuilderBinaryUIntOps, r) {
using BuilderOp = SkSL::RP::BuilderOp;
SkSL::RP::Builder builder;
builder.push_literal_u(456);
builder.push_duplicates(21);
builder.binary_op(BuilderOp::div_n_uints, 6);
builder.binary_op(BuilderOp::cmplt_n_uints, 5);
builder.binary_op(BuilderOp::cmple_n_uints, 4);
builder.binary_op(BuilderOp::max_n_uints, 3);
builder.binary_op(BuilderOp::min_n_uints, 2);
builder.discard_stack(2);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x000001C8 (6.389921e-43)
2. swizzle_4 $0..3 = ($0..3).xxxx
3. copy_4_slots_unmasked $4..7 = $0..3
4. copy_4_slots_unmasked $8..11 = $4..7
5. copy_4_slots_unmasked $12..15 = $8..11
6. copy_4_slots_unmasked $16..19 = $12..15
7. swizzle_3 $19..21 = ($19..21).xxx
8. div_n_uints $10..15 /= $16..21
9. cmplt_n_uints $6..10 = lessThan($6..10, $11..15)
10. cmple_4_uints $3..6 = lessThanEqual($3..6, $7..10)
11. max_3_uints $1..3 = max($1..3, $4..6)
12. min_2_uints $0..1 = min($0..1, $2..3)
)");
}
DEF_TEST(RasterPipelineBuilderUnaryOps, r) {
using BuilderOp = SkSL::RP::BuilderOp;
SkSL::RP::Builder builder;
builder.push_literal_i(456);
builder.push_duplicates(4);
builder.unary_op(BuilderOp::cast_to_float_from_int, 1);
builder.unary_op(BuilderOp::cast_to_float_from_uint, 2);
builder.unary_op(BuilderOp::cast_to_int_from_float, 3);
builder.unary_op(BuilderOp::cast_to_uint_from_float, 4);
builder.unary_op(BuilderOp::bitwise_not_int, 5);
builder.unary_op(BuilderOp::cos_float, 4);
builder.unary_op(BuilderOp::tan_float, 3);
builder.unary_op(BuilderOp::sin_float, 2);
builder.unary_op(BuilderOp::sqrt_float, 1);
builder.unary_op(BuilderOp::abs_float, 2);
builder.unary_op(BuilderOp::abs_int, 3);
builder.unary_op(BuilderOp::floor_float, 4);
builder.unary_op(BuilderOp::ceil_float, 5);
builder.discard_stack(5);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x000001C8 (6.389921e-43)
2. swizzle_4 $0..3 = ($0..3).xxxx
3. copy_slot_unmasked $4 = $3
4. cast_to_float_from_int $4 = IntToFloat($4)
5. cast_to_float_from_2_uints $3..4 = UintToFloat($3..4)
6. cast_to_int_from_3_floats $2..4 = FloatToInt($2..4)
7. cast_to_uint_from_4_floats $1..4 = FloatToUint($1..4)
8. bitwise_not_4_ints $0..3 = ~$0..3
9. bitwise_not_int $4 = ~$4
10. cos_float $1 = cos($1)
11. cos_float $2 = cos($2)
12. cos_float $3 = cos($3)
13. cos_float $4 = cos($4)
14. tan_float $2 = tan($2)
15. tan_float $3 = tan($3)
16. tan_float $4 = tan($4)
17. sin_float $3 = sin($3)
18. sin_float $4 = sin($4)
19. sqrt_float $4 = sqrt($4)
20. abs_2_floats $3..4 = abs($3..4)
21. abs_3_ints $2..4 = abs($2..4)
22. floor_4_floats $1..4 = floor($1..4)
23. ceil_4_floats $0..3 = ceil($0..3)
24. ceil_float $4 = ceil($4)
)");
}
DEF_TEST(RasterPipelineBuilderUniforms, r) {
using BuilderOp = SkSL::RP::BuilderOp;
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_uniform(one_slot_at(0)); // push into 0
builder.push_uniform(two_slots_at(1)); // push into 1~2
builder.push_uniform(three_slots_at(3)); // push into 3~5
builder.push_uniform(four_slots_at(6)); // push into 6~9
builder.push_uniform(five_slots_at(0)); // push into 10~14
builder.unary_op(BuilderOp::abs_int, 1); // perform work so the program isn't eliminated
builder.discard_stack(15); // balance stack
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/10);
check(r, *program,
R"( 1. copy_4_constants $0..3 = u0..3
2. copy_4_constants $4..7 = u4..7
3. copy_2_constants $8..9 = u8..9
4. copy_4_constants $10..13 = u0..3
5. copy_constant $14 = u4
6. abs_int $14 = abs($14)
)");
}
DEF_TEST(RasterPipelineBuilderPushZeros, r) {
using BuilderOp = SkSL::RP::BuilderOp;
// Create a very simple nonsense program.
SkSL::RP::Builder builder;
builder.push_zeros(1); // push into 0
builder.push_zeros(2); // push into 1~2
builder.push_zeros(3); // push into 3~5
builder.push_zeros(4); // push into 6~9
builder.push_zeros(5); // push into 10~14
builder.unary_op(BuilderOp::abs_int, 1); // perform work so the program isn't eliminated
builder.discard_stack(15); // balance stack
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/10);
check(r, *program,
R"( 1. zero_4_slots_unmasked $0..3 = 0
2. zero_4_slots_unmasked $4..7 = 0
3. zero_4_slots_unmasked $8..11 = 0
4. zero_3_slots_unmasked $12..14 = 0
5. abs_int $14 = abs($14)
)");
}
DEF_TEST(RasterPipelineBuilderTernaryFloatOps, r) {
using BuilderOp = SkSL::RP::BuilderOp;
SkSL::RP::Builder builder;
builder.push_literal_f(0.75f);
builder.push_duplicates(8);
builder.ternary_op(BuilderOp::mix_n_floats, 3);
builder.discard_stack(3);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
check(r, *program,
R"( 1. copy_constant $0 = 0x3F400000 (0.75)
2. swizzle_4 $0..3 = ($0..3).xxxx
3. copy_4_slots_unmasked $4..7 = $0..3
4. copy_slot_unmasked $8 = $7
5. mix_3_floats $0..2 = mix($0..2, $3..5, $6..8)
)");
}
DEF_TEST(RasterPipelineBuilderAutomaticStackRewinding, r) {
using BuilderOp = SkSL::RP::BuilderOp;
SkSL::RP::Builder builder;
builder.push_literal_i(1);
builder.push_duplicates(2000);
builder.unary_op(BuilderOp::abs_int, 1); // perform work so the program isn't eliminated
builder.discard_stack(2001);
std::unique_ptr<SkSL::RP::Program> program = builder.finish(/*numValueSlots=*/0,
/*numUniformSlots=*/0);
sk_sp<SkData> dump = get_program_dump(*program);
#if SK_HAS_MUSTTAIL
// We have guaranteed tail-calling, so we never use `stack_rewind`.
REPORTER_ASSERT(r, !skstd::contains(as_string_view(dump), "stack_rewind"));
#else
// We can't guarantee tail-calling, so we should automatically insert `stack_rewind` stages into
// long programs.
REPORTER_ASSERT(r, skstd::contains(as_string_view(dump), "stack_rewind"));
#endif
}