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skia2/tests/SkSLDSLTest.cpp
Ethan Nicholas e2c0504c27 Moved SkSL error checking of break / continue / return into a 
separate pass.

This makes things easier for the DSL, which allows us to create
nodes without knowing whether they're going to be valid until they
are inserted. Moving these checks into a separate pass allows the
DSL to use the same error handling and type coercion as the normal
code path.

Change-Id: I9c26bd7a15a6c819df39a2214fdeab47ed6d8ee4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/362496
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: Ethan Nicholas <ethannicholas@google.com>
2021-02-03 19:10:50 +00:00

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/*
* Copyright 2020 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/sksl/SkSLIRGenerator.h"
#include "src/sksl/dsl/DSL.h"
#include "src/sksl/dsl/priv/DSLWriter.h"
#include "src/sksl/ir/SkSLIRNode.h"
#include "tests/Test.h"
#include <limits>
using namespace SkSL::dsl;
class AutoDSLContext {
public:
AutoDSLContext(GrGpu* gpu) {
Start(gpu->shaderCompiler());
DSLWriter::Instance().fMangle = false;
}
~AutoDSLContext() {
End();
}
};
class ExpectError : public ErrorHandler {
public:
ExpectError(skiatest::Reporter* reporter, const char* msg)
: fMsg(msg)
, fReporter(reporter) {
SetErrorHandler(this);
}
~ExpectError() override {
REPORTER_ASSERT(fReporter, !fMsg);
SetErrorHandler(nullptr);
}
void handleError(const char* msg) override {
REPORTER_ASSERT(fReporter, !strcmp(msg, fMsg),
"Error mismatch: expected:\n%sbut received:\n%s", fMsg, msg);
fMsg = nullptr;
}
private:
const char* fMsg;
skiatest::Reporter* fReporter;
};
static bool whitespace_insensitive_compare(const char* a, const char* b) {
for (;;) {
while (isspace(*a)) {
++a;
}
while (isspace(*b)) {
++b;
}
if (*a != *b) {
return false;
}
if (*a == 0) {
return true;
}
++a;
++b;
}
}
static bool whitespace_insensitive_compare(DSLStatement& stmt, const char* description) {
return whitespace_insensitive_compare(stmt.release()->description().c_str(), description);
}
static bool whitespace_insensitive_compare(SkSL::IRNode& node, const char* description) {
return whitespace_insensitive_compare(node.description().c_str(), description);
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLStartup, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Expression e1 = 1;
REPORTER_ASSERT(r, e1.release()->description() == "1");
Expression e2 = 1.0;
REPORTER_ASSERT(r, e2.release()->description() == "1.0");
Expression e3 = true;
REPORTER_ASSERT(r, e3.release()->description() == "true");
Var a(kInt, "a");
Expression e4 = a;
REPORTER_ASSERT(r, e4.release()->description() == "a");
REPORTER_ASSERT(r, whitespace_insensitive_compare("", ""));
REPORTER_ASSERT(r, !whitespace_insensitive_compare("", "a"));
REPORTER_ASSERT(r, !whitespace_insensitive_compare("a", ""));
REPORTER_ASSERT(r, whitespace_insensitive_compare("a", "a"));
REPORTER_ASSERT(r, whitespace_insensitive_compare("abc", "abc"));
REPORTER_ASSERT(r, whitespace_insensitive_compare("abc", " abc "));
REPORTER_ASSERT(r, whitespace_insensitive_compare("a b c ", "\n\n\nabc"));
REPORTER_ASSERT(r, !whitespace_insensitive_compare("a b c d", "\n\n\nabc"));
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLFloat, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Expression e1 = Float(std::numeric_limits<float>::max());
REPORTER_ASSERT(r, atof(e1.release()->description().c_str()) ==
std::numeric_limits<float>::max());
Expression e2 = Float(std::numeric_limits<float>::min());
REPORTER_ASSERT(r, atof(e2.release()->description().c_str()) ==
std::numeric_limits<float>::min());
Expression e3 = Float2(0);
REPORTER_ASSERT(r, e3.release()->description() == "float2(0.0)");
Expression e4 = Float2(-0.5, 1);
REPORTER_ASSERT(r, e4.release()->description() == "float2(-0.5, 1.0)");
Expression e5 = Float3(0.75);
REPORTER_ASSERT(r, e5.release()->description() == "float3(0.75)");
Expression e6 = Float3(Float2(0, 1), -2);
REPORTER_ASSERT(r, e6.release()->description() == "float3(float2(0.0, 1.0), -2.0)");
Expression e7 = Float3(0, 1, 2);
REPORTER_ASSERT(r, e7.release()->description() == "float3(0.0, 1.0, 2.0)");
Expression e8 = Float4(0);
REPORTER_ASSERT(r, e8.release()->description() == "float4(0.0)");
Expression e9 = Float4(Float2(0, 1), Float2(2, 3));
REPORTER_ASSERT(r, e9.release()->description() == "float4(float2(0.0, 1.0), float2(2.0, 3.0))");
Expression e10 = Float4(0, 1, Float2(2, 3));
REPORTER_ASSERT(r, e10.release()->description() == "float4(0.0, 1.0, float2(2.0, 3.0))");
Expression e11 = Float4(0, 1, 2, 3);
REPORTER_ASSERT(r, e11.release()->description() == "float4(0.0, 1.0, 2.0, 3.0)");
{
ExpectError error(r, "error: floating point value is infinite\n");
Float(std::numeric_limits<float>::infinity()).release();
}
{
ExpectError error(r, "error: floating point value is NaN\n");
Float(std::numeric_limits<float>::quiet_NaN()).release();
}
{
ExpectError error(r, "error: invalid arguments to 'float2' constructor (expected 2 scalars,"
" but found 4)\n");
Float2(Float4(1)).release();
}
{
ExpectError error(r, "error: invalid arguments to 'float4' constructor (expected 4 scalars,"
" but found 3)\n");
Float4(Float3(1)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLHalf, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Expression e1 = Half(std::numeric_limits<float>::max());
REPORTER_ASSERT(r, atof(e1.release()->description().c_str()) ==
std::numeric_limits<float>::max());
Expression e2 = Half(std::numeric_limits<float>::min());
REPORTER_ASSERT(r, atof(e2.release()->description().c_str()) ==
std::numeric_limits<float>::min());
Expression e3 = Half2(0);
REPORTER_ASSERT(r, e3.release()->description() == "half2(0.0)");
Expression e4 = Half2(-0.5, 1);
REPORTER_ASSERT(r, e4.release()->description() == "half2(-0.5, 1.0)");
Expression e5 = Half3(0.75);
REPORTER_ASSERT(r, e5.release()->description() == "half3(0.75)");
Expression e6 = Half3(Half2(0, 1), -2);
REPORTER_ASSERT(r, e6.release()->description() == "half3(half2(0.0, 1.0), -2.0)");
Expression e7 = Half3(0, 1, 2);
REPORTER_ASSERT(r, e7.release()->description() == "half3(0.0, 1.0, 2.0)");
Expression e8 = Half4(0);
REPORTER_ASSERT(r, e8.release()->description() == "half4(0.0)");
Expression e9 = Half4(Half2(0, 1), Half2(2, 3));
REPORTER_ASSERT(r, e9.release()->description() == "half4(half2(0.0, 1.0), half2(2.0, 3.0))");
Expression e10 = Half4(0, 1, Half2(2, 3));
REPORTER_ASSERT(r, e10.release()->description() == "half4(0.0, 1.0, half2(2.0, 3.0))");
Expression e11 = Half4(0, 1, 2, 3);
REPORTER_ASSERT(r, e11.release()->description() == "half4(0.0, 1.0, 2.0, 3.0)");
{
ExpectError error(r, "error: floating point value is infinite\n");
Half(std::numeric_limits<float>::infinity()).release();
}
{
ExpectError error(r, "error: floating point value is NaN\n");
Half(std::numeric_limits<float>::quiet_NaN()).release();
}
{
ExpectError error(r, "error: invalid arguments to 'half2' constructor (expected 2 scalars,"
" but found 4)\n");
Half2(Half4(1)).release();
}
{
ExpectError error(r, "error: invalid arguments to 'half4' constructor (expected 4 scalars,"
" but found 3)\n");
Half4(Half3(1)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLInt, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Expression e1 = Int(std::numeric_limits<int32_t>::max());
REPORTER_ASSERT(r, e1.release()->description() == "2147483647");
Expression e2 = Int2(std::numeric_limits<int32_t>::min());
REPORTER_ASSERT(r, e2.release()->description() == "int2(-2147483648)");
Expression e3 = Int2(0, 1);
REPORTER_ASSERT(r, e3.release()->description() == "int2(0, 1)");
Expression e4 = Int3(0);
REPORTER_ASSERT(r, e4.release()->description() == "int3(0)");
Expression e5 = Int3(Int2(0, 1), -2);
REPORTER_ASSERT(r, e5.release()->description() == "int3(int2(0, 1), -2)");
Expression e6 = Int3(0, 1, 2);
REPORTER_ASSERT(r, e6.release()->description() == "int3(0, 1, 2)");
Expression e7 = Int4(0);
REPORTER_ASSERT(r, e7.release()->description() == "int4(0)");
Expression e8 = Int4(Int2(0, 1), Int2(2, 3));
REPORTER_ASSERT(r, e8.release()->description() == "int4(int2(0, 1), int2(2, 3))");
Expression e9 = Int4(0, 1, Int2(2, 3));
REPORTER_ASSERT(r, e9.release()->description() == "int4(0, 1, int2(2, 3))");
Expression e10 = Int4(0, 1, 2, 3);
REPORTER_ASSERT(r, e10.release()->description() == "int4(0, 1, 2, 3)");
{
ExpectError error(r, "error: invalid arguments to 'int2' constructor (expected 2 scalars,"
" but found 4)\n");
Int2(Int4(1)).release();
}
{
ExpectError error(r, "error: invalid arguments to 'int4' constructor (expected 4 scalars,"
" but found 3)\n");
Int4(Int3(1)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLShort, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Expression e1 = Short(std::numeric_limits<int16_t>::max());
REPORTER_ASSERT(r, e1.release()->description() == "32767");
Expression e2 = Short2(std::numeric_limits<int16_t>::min());
REPORTER_ASSERT(r, e2.release()->description() == "short2(-32768)");
Expression e3 = Short2(0, 1);
REPORTER_ASSERT(r, e3.release()->description() == "short2(0, 1)");
Expression e4 = Short3(0);
REPORTER_ASSERT(r, e4.release()->description() == "short3(0)");
Expression e5 = Short3(Short2(0, 1), -2);
REPORTER_ASSERT(r, e5.release()->description() == "short3(short2(0, 1), -2)");
Expression e6 = Short3(0, 1, 2);
REPORTER_ASSERT(r, e6.release()->description() == "short3(0, 1, 2)");
Expression e7 = Short4(0);
REPORTER_ASSERT(r, e7.release()->description() == "short4(0)");
Expression e8 = Short4(Short2(0, 1), Short2(2, 3));
REPORTER_ASSERT(r, e8.release()->description() == "short4(short2(0, 1), short2(2, 3))");
Expression e9 = Short4(0, 1, Short2(2, 3));
REPORTER_ASSERT(r, e9.release()->description() == "short4(0, 1, short2(2, 3))");
Expression e10 = Short4(0, 1, 2, 3);
REPORTER_ASSERT(r, e10.release()->description() == "short4(0, 1, 2, 3)");
{
ExpectError error(r, "error: invalid arguments to 'short2' constructor (expected 2 scalars,"
" but found 4)\n");
Short2(Short4(1)).release();
}
{
ExpectError error(r, "error: invalid arguments to 'short4' constructor (expected 4 scalars,"
" but found 3)\n");
Short4(Short3(1)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBool, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Expression e1 = Bool2(false);
REPORTER_ASSERT(r, e1.release()->description() == "bool2(false)");
Expression e2 = Bool2(false, true);
REPORTER_ASSERT(r, e2.release()->description() == "bool2(false, true)");
Expression e3 = Bool3(false);
REPORTER_ASSERT(r, e3.release()->description() == "bool3(false)");
Expression e4 = Bool3(Bool2(false, true), false);
REPORTER_ASSERT(r, e4.release()->description() == "bool3(bool2(false, true), false)");
Expression e5 = Bool3(false, true, false);
REPORTER_ASSERT(r, e5.release()->description() == "bool3(false, true, false)");
Expression e6 = Bool4(false);
REPORTER_ASSERT(r, e6.release()->description() == "bool4(false)");
Expression e7 = Bool4(Bool2(false, true), Bool2(false, true));
REPORTER_ASSERT(r, e7.release()->description() == "bool4(bool2(false, true), "
"bool2(false, true))");
Expression e8 = Bool4(false, true, Bool2(false, true));
REPORTER_ASSERT(r, e8.release()->description() == "bool4(false, true, bool2(false, true))");
Expression e9 = Bool4(false, true, false, true);
REPORTER_ASSERT(r, e9.release()->description() == "bool4(false, true, false, true)");
{
ExpectError error(r, "error: invalid arguments to 'bool2' constructor (expected 2 scalars,"
" but found 4)\n");
Bool2(Bool4(true)).release();
}
{
ExpectError error(r, "error: invalid arguments to 'bool4' constructor (expected 4 scalars,"
" but found 3)\n");
Bool4(Bool3(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLPlus, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kFloat, "a"), b(kFloat, "b");
Expression e1 = a + b;
REPORTER_ASSERT(r, e1.release()->description() == "(a + b)");
Expression e2 = a + 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a + 1.0)");
Expression e3 = 0.5 + a + -99;
REPORTER_ASSERT(r, e3.release()->description() == "((0.5 + a) + -99.0)");
Expression e4 = a += b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a += (b + 1.0))");
{
ExpectError error(r, "error: type mismatch: '+' cannot operate on 'bool2', 'float'\n");
(Bool2(true) + a).release();
}
{
ExpectError error(r, "error: type mismatch: '+=' cannot operate on 'float', 'bool2'\n");
(a += Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1.0 += a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLMinus, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a - b;
REPORTER_ASSERT(r, e1.release()->description() == "(a - b)");
Expression e2 = a - 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a - 1)");
Expression e3 = 2 - a - b;
REPORTER_ASSERT(r, e3.release()->description() == "((2 - a) - b)");
Expression e4 = a -= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a -= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '-' cannot operate on 'bool2', 'int'\n");
(Bool2(true) - a).release();
}
{
ExpectError error(r, "error: type mismatch: '-=' cannot operate on 'int', 'bool2'\n");
(a -= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1.0 -= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLMultiply, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kFloat, "a"), b(kFloat, "b");
Expression e1 = a * b;
REPORTER_ASSERT(r, e1.release()->description() == "(a * b)");
Expression e2 = a * 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a * 1.0)");
Expression e3 = 0.5 * a * -99;
REPORTER_ASSERT(r, e3.release()->description() == "((0.5 * a) * -99.0)");
Expression e4 = a *= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a *= (b + 1.0))");
{
ExpectError error(r, "error: type mismatch: '*' cannot operate on 'bool2', 'float'\n");
(Bool2(true) * a).release();
}
{
ExpectError error(r, "error: type mismatch: '*=' cannot operate on 'float', 'bool2'\n");
(a *= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1.0 *= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLDivide, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kFloat, "a"), b(kFloat, "b");
Expression e1 = a / b;
REPORTER_ASSERT(r, e1.release()->description() == "(a / b)");
Expression e2 = a / 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a / 1.0)");
Expression e3 = 0.5 / a / -99;
REPORTER_ASSERT(r, e3.release()->description() == "((0.5 / a) / -99.0)");
Expression e4 = b / (a - 1);
REPORTER_ASSERT(r, e4.release()->description() == "(b / (a - 1.0))");
Expression e5 = a /= b + 1;
REPORTER_ASSERT(r, e5.release()->description() == "(a /= (b + 1.0))");
{
ExpectError error(r, "error: type mismatch: '/' cannot operate on 'bool2', 'float'\n");
(Bool2(true) / a).release();
}
{
ExpectError error(r, "error: type mismatch: '/=' cannot operate on 'float', 'bool2'\n");
(a /= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1.0 /= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLMod, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a % b;
REPORTER_ASSERT(r, e1.release()->description() == "(a % b)");
Expression e2 = a % 2;
REPORTER_ASSERT(r, e2.release()->description() == "(a % 2)");
Expression e3 = 10 % a % -99;
REPORTER_ASSERT(r, e3.release()->description() == "((10 % a) % -99)");
Expression e4 = a %= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a %= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '%' cannot operate on 'bool2', 'int'\n");
(Bool2(true) % a).release();
}
{
ExpectError error(r, "error: type mismatch: '%=' cannot operate on 'int', 'bool2'\n");
(a %= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1 %= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLShl, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a << b;
REPORTER_ASSERT(r, e1.release()->description() == "(a << b)");
Expression e2 = a << 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a << 1)");
Expression e3 = 1 << a << 2;
REPORTER_ASSERT(r, e3.release()->description() == "((1 << a) << 2)");
Expression e4 = a <<= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a <<= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '<<' cannot operate on 'bool2', 'int'\n");
(Bool2(true) << a).release();
}
{
ExpectError error(r, "error: type mismatch: '<<=' cannot operate on 'int', 'bool2'\n");
(a <<= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1 <<= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLShr, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a >> b;
REPORTER_ASSERT(r, e1.release()->description() == "(a >> b)");
Expression e2 = a >> 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a >> 1)");
Expression e3 = 1 >> a >> 2;
REPORTER_ASSERT(r, e3.release()->description() == "((1 >> a) >> 2)");
Expression e4 = a >>= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a >>= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '>>' cannot operate on 'bool2', 'int'\n");
(Bool2(true) >> a).release();
}
{
ExpectError error(r, "error: type mismatch: '>>=' cannot operate on 'int', 'bool2'\n");
(a >>= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1 >>= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBitwiseAnd, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a & b;
REPORTER_ASSERT(r, e1.release()->description() == "(a & b)");
Expression e2 = a & 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a & 1)");
Expression e3 = 1 & a & 2;
REPORTER_ASSERT(r, e3.release()->description() == "((1 & a) & 2)");
Expression e4 = a &= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a &= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '&' cannot operate on 'bool2', 'int'\n");
(Bool2(true) & a).release();
}
{
ExpectError error(r, "error: type mismatch: '&=' cannot operate on 'int', 'bool2'\n");
(a &= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1 &= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBitwiseOr, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a | b;
REPORTER_ASSERT(r, e1.release()->description() == "(a | b)");
Expression e2 = a | 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a | 1)");
Expression e3 = 1 | a | 2;
REPORTER_ASSERT(r, e3.release()->description() == "((1 | a) | 2)");
Expression e4 = a |= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a |= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '|' cannot operate on 'bool2', 'int'\n");
(Bool2(true) | a).release();
}
{
ExpectError error(r, "error: type mismatch: '|=' cannot operate on 'int', 'bool2'\n");
(a |= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1 |= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBitwiseXor, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a ^ b;
REPORTER_ASSERT(r, e1.release()->description() == "(a ^ b)");
Expression e2 = a ^ 1;
REPORTER_ASSERT(r, e2.release()->description() == "(a ^ 1)");
Expression e3 = 1 ^ a ^ 2;
REPORTER_ASSERT(r, e3.release()->description() == "((1 ^ a) ^ 2)");
Expression e4 = a ^= b + 1;
REPORTER_ASSERT(r, e4.release()->description() == "(a ^= (b + 1))");
{
ExpectError error(r, "error: type mismatch: '^' cannot operate on 'bool2', 'int'\n");
(Bool2(true) ^ a).release();
}
{
ExpectError error(r, "error: type mismatch: '^=' cannot operate on 'int', 'bool2'\n");
(a ^= Bool2(true)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(1 ^= a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLLogicalAnd, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kBool, "a"), b(kBool, "b");
Expression e1 = a && b;
REPORTER_ASSERT(r, e1.release()->description() == "(a && b)");
Expression e2 = a && true && b;
REPORTER_ASSERT(r, e2.release()->description() == "(a && b)");
Expression e3 = a && false && b;
REPORTER_ASSERT(r, e3.release()->description() == "false");
{
ExpectError error(r, "error: type mismatch: '&&' cannot operate on 'bool', 'int'\n");
(a && 5).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLLogicalOr, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kBool, "a"), b(kBool, "b");
Expression e1 = a || b;
REPORTER_ASSERT(r, e1.release()->description() == "(a || b)");
Expression e2 = a || true || b;
REPORTER_ASSERT(r, e2.release()->description() == "true");
Expression e3 = a || false || b;
REPORTER_ASSERT(r, e3.release()->description() == "(a || b)");
{
ExpectError error(r, "error: type mismatch: '||' cannot operate on 'bool', 'int'\n");
(a || 5).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLComma, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = (a += b, b);
REPORTER_ASSERT(r, e1.release()->description() == "((a += b) , b)");
Expression e2 = (a += b, b += b, Int2(a));
REPORTER_ASSERT(r, e2.release()->description() == "(((a += b) , (b += b)) , int2(a))");
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLEqual, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a == b;
REPORTER_ASSERT(r, e1.release()->description() == "(a == b)");
Expression e2 = a == 5;
REPORTER_ASSERT(r, e2.release()->description() == "(a == 5)");
{
ExpectError error(r, "error: type mismatch: '==' cannot operate on 'int', 'bool2'\n");
(a == Bool2(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLNotEqual, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a != b;
REPORTER_ASSERT(r, e1.release()->description() == "(a != b)");
Expression e2 = a != 5;
REPORTER_ASSERT(r, e2.release()->description() == "(a != 5)");
{
ExpectError error(r, "error: type mismatch: '!=' cannot operate on 'int', 'bool2'\n");
(a != Bool2(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLGreaterThan, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a > b;
REPORTER_ASSERT(r, e1.release()->description() == "(a > b)");
Expression e2 = a > 5;
REPORTER_ASSERT(r, e2.release()->description() == "(a > 5)");
{
ExpectError error(r, "error: type mismatch: '>' cannot operate on 'int', 'bool2'\n");
(a > Bool2(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLGreaterThanOrEqual, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a >= b;
REPORTER_ASSERT(r, e1.release()->description() == "(a >= b)");
Expression e2 = a >= 5;
REPORTER_ASSERT(r, e2.release()->description() == "(a >= 5)");
{
ExpectError error(r, "error: type mismatch: '>=' cannot operate on 'int', 'bool2'\n");
(a >= Bool2(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLLessThan, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a < b;
REPORTER_ASSERT(r, e1.release()->description() == "(a < b)");
Expression e2 = a < 5;
REPORTER_ASSERT(r, e2.release()->description() == "(a < 5)");
{
ExpectError error(r, "error: type mismatch: '<' cannot operate on 'int', 'bool2'\n");
(a < Bool2(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLLessThanOrEqual, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = a <= b;
REPORTER_ASSERT(r, e1.release()->description() == "(a <= b)");
Expression e2 = a <= 5;
REPORTER_ASSERT(r, e2.release()->description() == "(a <= 5)");
{
ExpectError error(r, "error: type mismatch: '<=' cannot operate on 'int', 'bool2'\n");
(a <= Bool2(true)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLLogicalNot, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kInt, "b");
Expression e1 = !(a <= b);
REPORTER_ASSERT(r, e1.release()->description() == "!(a <= b)");
{
ExpectError error(r, "error: '!' cannot operate on 'int'\n");
(!a).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBitwiseNot, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kBool, "b");
Expression e1 = ~a;
REPORTER_ASSERT(r, e1.release()->description() == "~a");
{
ExpectError error(r, "error: '~' cannot operate on 'bool'\n");
(~b).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLIncrement, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kBool, "b");
Expression e1 = ++a;
REPORTER_ASSERT(r, e1.release()->description() == "++a");
Expression e2 = a++;
REPORTER_ASSERT(r, e2.release()->description() == "a++");
{
ExpectError error(r, "error: '++' cannot operate on 'bool'\n");
(++b).release();
}
{
ExpectError error(r, "error: '++' cannot operate on 'bool'\n");
(b++).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(++(a + 1)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
((a + 1)++).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLDecrement, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a"), b(kBool, "b");
Expression e1 = --a;
REPORTER_ASSERT(r, e1.release()->description() == "--a");
Expression e2 = a--;
REPORTER_ASSERT(r, e2.release()->description() == "a--");
{
ExpectError error(r, "error: '--' cannot operate on 'bool'\n");
(--b).release();
}
{
ExpectError error(r, "error: '--' cannot operate on 'bool'\n");
(b--).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
(--(a + 1)).release();
}
{
ExpectError error(r, "error: cannot assign to this expression\n");
((a + 1)--).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBlock, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Statement x = Block();
REPORTER_ASSERT(r, whitespace_insensitive_compare(x, "{ }"));
Var a(kInt, "a"), b(kInt, "b");
Statement y = Block(Declare(a, 1), Declare(b, 2), a = b);
REPORTER_ASSERT(r, whitespace_insensitive_compare(y, "{ int a = 1; int b = 2; (a = b); }"));
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLDeclare, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kHalf4, "a"), b(kHalf4, "b");
Statement x = Declare(a);
REPORTER_ASSERT(r, x.release()->description() == "half4 a;");
Statement y = Declare(b, Half4(1));
REPORTER_ASSERT(r, y.release()->description() == "half4 b = half4(1.0);");
{
Var c(kHalf4, "c");
ExpectError error(r, "error: expected 'half4', but found 'int'\n");
Declare(c, 1).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLDo, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Statement x = Do(Block(), true);
REPORTER_ASSERT(r, whitespace_insensitive_compare(x, "do {} while (true);"));
Var a(kFloat, "a"), b(kFloat, "b");
Statement y = Do(Block(a++, --b), a != b);
REPORTER_ASSERT(r, whitespace_insensitive_compare(y, "do { a++; --b; } while ((a != b));"));
{
ExpectError error(r, "error: expected 'bool', but found 'int'\n");
Do(Block(), 7).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLFor, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Statement x = For(Statement(), Expression(), Expression(), Block());
REPORTER_ASSERT(r, whitespace_insensitive_compare(x, "for (;;) {}"));
Var i(kInt, "i");
Statement y = For(Declare(i, 0), i < 10, ++i, i += 5);
REPORTER_ASSERT(r, whitespace_insensitive_compare(y,
"for (int i = 0; (i < 10); ++i) (i += 5);"));
{
ExpectError error(r, "error: expected 'bool', but found 'int'\n");
For(i = 0, i + 10, ++i, i += 5).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLFunction, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
DSLWriter::ProgramElements().clear();
Var coords(kHalf2, "coords");
DSLFunction(kVoid, "main", coords).define(
sk_FragColor() = Half4(coords, 0, 1)
);
REPORTER_ASSERT(r, DSLWriter::ProgramElements().size() == 1);
REPORTER_ASSERT(r, whitespace_insensitive_compare(*DSLWriter::ProgramElements()[0],
"void main(half2 coords) { (sk_FragColor = half4(coords, 0.0, 1.0)); }"));
DSLWriter::ProgramElements().clear();
Var x(kFloat, "x");
DSLFunction(kFloat, "sqr", x).define(
Return(x * x)
);
REPORTER_ASSERT(r, DSLWriter::ProgramElements().size() == 1);
REPORTER_ASSERT(r, whitespace_insensitive_compare(*DSLWriter::ProgramElements()[0],
"float sqr(float x) { return (x * x); }"));
{
ExpectError error(r, "error: expected 'float', but found 'bool'\n");
DSLWriter::ProgramElements().clear();
DSLFunction(kFloat, "broken").define(
Return(true)
);
}
{
ExpectError error(r, "error: expected function to return 'float'\n");
DSLWriter::ProgramElements().clear();
DSLFunction(kFloat, "broken").define(
Return()
);
}
{
ExpectError error(r, "error: may not return a value from a void function\n");
DSLWriter::ProgramElements().clear();
DSLFunction(kVoid, "broken").define(
Return(0)
);
}
/* TODO: detect this case
{
ExpectError error(r, "error: expected function to return 'float'\n");
DSLWriter::ProgramElements().clear();
DSLFunction(kFloat, "broken").define(
);
}
*/
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLIf, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kFloat, "a"), b(kFloat, "b");
Statement x = If(a > b, a -= b);
REPORTER_ASSERT(r, x.release()->description() == "if ((a > b)) (a -= b);");
Statement y = If(a > b, a -= b, b -= a);
REPORTER_ASSERT(r, y.release()->description() == "if ((a > b)) (a -= b); else (b -= a);");
{
ExpectError error(r, "error: expected 'bool', but found 'float'\n");
If(a + b, a -= b).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLReturn, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Statement x = Return();
REPORTER_ASSERT(r, whitespace_insensitive_compare(x, "return;"));
Statement y = Return(true);
REPORTER_ASSERT(r, whitespace_insensitive_compare(y, "return true;"));
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLSwizzle, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kFloat4, "a");
Expression e1 = a.x();
REPORTER_ASSERT(r, e1.release()->description() == "a.x");
Expression e2 = a.y();
REPORTER_ASSERT(r, e2.release()->description() == "a.y");
Expression e3 = a.z();
REPORTER_ASSERT(r, e3.release()->description() == "a.z");
Expression e4 = a.w();
REPORTER_ASSERT(r, e4.release()->description() == "a.w");
Expression e5 = a.r();
REPORTER_ASSERT(r, e5.release()->description() == "a.x");
Expression e6 = a.g();
REPORTER_ASSERT(r, e6.release()->description() == "a.y");
Expression e7 = a.b();
REPORTER_ASSERT(r, e7.release()->description() == "a.z");
Expression e8 = a.a();
REPORTER_ASSERT(r, e8.release()->description() == "a.w");
Expression e9 = Swizzle(a, R);
REPORTER_ASSERT(r, e9.release()->description() == "a.x");
Expression e10 = Swizzle(a, ZERO, G);
REPORTER_ASSERT(r, e10.release()->description() == "float2(a.y, float(0)).yx");
Expression e11 = Swizzle(a, B, G, G);
REPORTER_ASSERT(r, e11.release()->description() == "a.zyy");
Expression e12 = Swizzle(a, R, G, B, ONE);
REPORTER_ASSERT(r, e12.release()->description() == "float4(a.xyz, float(1))");
Expression e13 = Swizzle(a, R, G, B, ONE).r();
REPORTER_ASSERT(r, e13.release()->description() == "float4(a.xyz, float(1)).x");
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLTernary, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(kInt, "a");
Expression x = Ternary(a > 0, 1, -1);
REPORTER_ASSERT(r, x.release()->description() == "((a > 0) ? 1 : -1)");
{
ExpectError error(r, "error: expected 'bool', but found 'int'\n");
Ternary(a, 1, -1).release();
}
{
ExpectError error(r, "error: ternary operator result mismatch: 'float2', 'float3'\n");
Ternary(a > 0, Float2(1), Float3(1)).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLWhile, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Statement x = While(true, Block());
REPORTER_ASSERT(r, whitespace_insensitive_compare(x, "for (; true;) {}"));
Var a(kFloat, "a"), b(kFloat, "b");
Statement y = While(a != b, Block(a++, --b));
REPORTER_ASSERT(r, whitespace_insensitive_compare(y, "for (; (a != b);) { a++; --b; }"));
{
ExpectError error(r, "error: expected 'bool', but found 'int'\n");
While(7, Block()).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLIndex, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var a(Array(kInt, 5), "a"), b(kInt, "b");
Expression e1 = a[0];
REPORTER_ASSERT(r, e1.release()->description() == "a[0]");
Expression e2 = a[b];
REPORTER_ASSERT(r, e2.release()->description() == "a[b]");
{
ExpectError error(r, "error: expected 'int', but found 'bool'\n");
a[true].release();
}
{
ExpectError error(r, "error: expected array, but found 'int'\n");
b[0].release();
}
{
ExpectError error(r, "error: index -1 out of range for 'int[5]'\n");
a[-1].release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLBuiltins, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
// There is a Fract type on Mac which can conflict with our Fract builtin
using SkSL::dsl::Fract;
Var a(kHalf4, "a"), b(kHalf4, "b"), c(kHalf4, "c");
Var h3(kHalf3, "h3");
Var b4(kBool4, "b4");
REPORTER_ASSERT(r, Abs(a).release()->description() == "abs(a)");
REPORTER_ASSERT(r, All(b4).release()->description() == "all(b4)");
REPORTER_ASSERT(r, Any(b4).release()->description() == "any(b4)");
REPORTER_ASSERT(r, Ceil(a).release()->description() == "ceil(a)");
REPORTER_ASSERT(r, Clamp(a, 0, 1).release()->description() == "clamp(a, 0.0, 1.0)");
REPORTER_ASSERT(r, Cos(a).release()->description() == "cos(a)");
REPORTER_ASSERT(r, Cross(h3, h3).release()->description() == "cross(h3, h3)");
REPORTER_ASSERT(r, Degrees(a).release()->description() == "degrees(a)");
REPORTER_ASSERT(r, Distance(a, b).release()->description() == "distance(a, b)");
REPORTER_ASSERT(r, Dot(a, b).release()->description() == "dot(a, b)");
REPORTER_ASSERT(r, Equal(a, b).release()->description() == "equal(a, b)");
REPORTER_ASSERT(r, Exp(a).release()->description() == "exp(a)");
REPORTER_ASSERT(r, Exp2(a).release()->description() == "exp2(a)");
REPORTER_ASSERT(r, Faceforward(a, b, c).release()->description() == "faceforward(a, b, c)");
REPORTER_ASSERT(r, Floor(a).release()->description() == "floor(a)");
REPORTER_ASSERT(r, Fract(a).release()->description() == "fract(a)");
REPORTER_ASSERT(r, GreaterThan(a, b).release()->description() == "greaterThan(a, b)");
REPORTER_ASSERT(r, GreaterThanEqual(a, b).release()->description() == "greaterThanEqual(a, b)");
REPORTER_ASSERT(r, Inversesqrt(a).release()->description() == "inversesqrt(a)");
REPORTER_ASSERT(r, LessThan(a, b).release()->description() == "lessThan(a, b)");
REPORTER_ASSERT(r, LessThanEqual(a, b).release()->description() == "lessThanEqual(a, b)");
REPORTER_ASSERT(r, Length(a).release()->description() == "length(a)");
REPORTER_ASSERT(r, Log(a).release()->description() == "log(a)");
REPORTER_ASSERT(r, Log2(a).release()->description() == "log2(a)");
REPORTER_ASSERT(r, Max(a, b).release()->description() == "max(a, b)");
REPORTER_ASSERT(r, Min(a, b).release()->description() == "min(a, b)");
REPORTER_ASSERT(r, Mix(a, b, c).release()->description() == "mix(a, b, c)");
REPORTER_ASSERT(r, Mod(a, b).release()->description() == "mod(a, b)");
REPORTER_ASSERT(r, Normalize(a).release()->description() == "normalize(a)");
REPORTER_ASSERT(r, NotEqual(a, b).release()->description() == "notEqual(a, b)");
REPORTER_ASSERT(r, Pow(a, b).release()->description() == "pow(a, b)");
REPORTER_ASSERT(r, Radians(a).release()->description() == "radians(a)");
REPORTER_ASSERT(r, Reflect(a, b).release()->description() == "reflect(a, b)");
REPORTER_ASSERT(r, Refract(a, b, 1).release()->description() == "refract(a, b, 1.0)");
REPORTER_ASSERT(r, Saturate(a).release()->description() == "saturate(a)");
REPORTER_ASSERT(r, Sign(a).release()->description() == "sign(a)");
REPORTER_ASSERT(r, Sin(a).release()->description() == "sin(a)");
REPORTER_ASSERT(r, Smoothstep(a, b, c).release()->description() == "smoothstep(a, b, c)");
REPORTER_ASSERT(r, Sqrt(a).release()->description() == "sqrt(a)");
REPORTER_ASSERT(r, Step(a, b).release()->description() == "step(a, b)");
REPORTER_ASSERT(r, Tan(a).release()->description() == "tan(a)");
REPORTER_ASSERT(r, Unpremul(a).release()->description() == "unpremul(a)");
// these calls all go through the normal channels, so it ought to be sufficient to prove that
// one of them reports errors correctly
{
ExpectError error(r, "error: no match for ceil(bool)\n");
Ceil(a == b).release();
}
}
DEF_GPUTEST_FOR_MOCK_CONTEXT(DSLModifiers, r, ctxInfo) {
AutoDSLContext context(ctxInfo.directContext()->priv().getGpu());
Var v1(kConst_Modifier, kInt, "v1");
Statement d1 = Declare(v1);
REPORTER_ASSERT(r, d1.release()->description() == "const int v1;");
// Most modifiers require an appropriate context to be legal. We can't yet give them that
// context, so we can't as yet Declare() variables with these modifiers.
// TODO: better tests when able
Var v2(kIn_Modifier, kInt, "v2");
REPORTER_ASSERT(r, DSLWriter::Var(v2).modifiers().fFlags == SkSL::Modifiers::kIn_Flag);
Var v3(kOut_Modifier, kInt, "v3");
REPORTER_ASSERT(r, DSLWriter::Var(v3).modifiers().fFlags == SkSL::Modifiers::kOut_Flag);
Var v4(kUniform_Modifier, kInt, "v4");
REPORTER_ASSERT(r, DSLWriter::Var(v4).modifiers().fFlags == SkSL::Modifiers::kUniform_Flag);
Var v5(kFlat_Modifier, kInt, "v5");
REPORTER_ASSERT(r, DSLWriter::Var(v5).modifiers().fFlags == SkSL::Modifiers::kFlat_Flag);
Var v6(kNoPerspective_Modifier, kInt, "v6");
REPORTER_ASSERT(r, DSLWriter::Var(v6).modifiers().fFlags ==
SkSL::Modifiers::kNoPerspective_Flag);
Var v7(kIn_Modifier | kOut_Modifier, kInt, "v7");
REPORTER_ASSERT(r, DSLWriter::Var(v7).modifiers().fFlags ==
(SkSL::Modifiers::kIn_Flag | SkSL::Modifiers::kOut_Flag));
Var v8(kInOut_Modifier, kInt, "v8");
REPORTER_ASSERT(r, DSLWriter::Var(v8).modifiers().fFlags ==
(SkSL::Modifiers::kIn_Flag | SkSL::Modifiers::kOut_Flag));
}
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