skia2/tests/MessageBusTest.cpp
Brian Salomon 238069b3f5 Reland "Make GPU cache invalidation SkMessageBus messages go to one GrContext."
This is a reland of f4c5bb9aba

Original change's description:
> Make GPU cache invalidation SkMessageBus messages go to one GrContext.
> 
> Makes it so the template param to SkMessageBus must implement:
> bool shouldSend(uint32_t inboxID) const
> 
> Updates all GPU backend message types to only go to the GrContext that
> is adding a cache entry.
> 
> Bug: skia:
> Change-Id: I3e8a4eb90654b7b8ac57cac9fb508c0ef1d51058
> Reviewed-on: https://skia-review.googlesource.com/140220
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Jim Van Verth <jvanverth@google.com>

Bug: skia:
Change-Id: I8402bfe3ed0170c99936d47050458817030b473b
Reviewed-on: https://skia-review.googlesource.com/140801
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2018-07-11 20:36:38 +00:00

97 lines
2.7 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkMessageBus.h"
#include "Test.h"
namespace {
struct TestMessage {
bool shouldSend(uint32_t inboxID) const { return true; }
TestMessage(int i, float f) : x(i), y(f) {}
int x;
float y;
};
}
DECLARE_SKMESSAGEBUS_MESSAGE(TestMessage)
DEF_TEST(MessageBus, r) {
// Register two inboxes to receive all TestMessages.
SkMessageBus<TestMessage>::Inbox inbox1, inbox2;
// Send two messages.
const TestMessage m1 = { 5, 4.2f };
const TestMessage m2 = { 6, 4.3f };
SkMessageBus<TestMessage>::Post(m1);
SkMessageBus<TestMessage>::Post(m2);
// Make sure we got two.
SkTArray<TestMessage> messages;
inbox1.poll(&messages);
REPORTER_ASSERT(r, 2 == messages.count());
REPORTER_ASSERT(r, 5 == messages[0].x);
REPORTER_ASSERT(r, 6 == messages[1].x);
// Send another; check we get just that one.
const TestMessage m3 = { 1, 0.3f };
SkMessageBus<TestMessage>::Post(m3);
inbox1.poll(&messages);
REPORTER_ASSERT(r, 1 == messages.count());
REPORTER_ASSERT(r, 1 == messages[0].x);
// Nothing was sent since the last read.
inbox1.poll(&messages);
REPORTER_ASSERT(r, 0 == messages.count());
// Over all this time, inbox2 should have piled up 3 messages.
inbox2.poll(&messages);
REPORTER_ASSERT(r, 3 == messages.count());
REPORTER_ASSERT(r, 5 == messages[0].x);
REPORTER_ASSERT(r, 6 == messages[1].x);
REPORTER_ASSERT(r, 1 == messages[2].x);
}
namespace {
struct AddressedMessage {
uint32_t fInboxID;
bool shouldSend(uint32_t inboxID) const {
SkASSERT(inboxID);
if (!fInboxID) {
return true;
}
return inboxID == fInboxID;
}
};
}
DECLARE_SKMESSAGEBUS_MESSAGE(AddressedMessage)
DEF_TEST(MessageBus_shouldSend, r) {
SkMessageBus<AddressedMessage>::Inbox inbox1(1), inbox2(2);
SkMessageBus<AddressedMessage>::Post({0}); // Should go to both
SkMessageBus<AddressedMessage>::Post({1}); // Should go to inbox1
SkMessageBus<AddressedMessage>::Post({2}); // Should go to inbox2
SkMessageBus<AddressedMessage>::Post({3}); // Should go nowhere
SkTArray<AddressedMessage> messages;
inbox1.poll(&messages);
REPORTER_ASSERT(r, messages.count() == 2);
if (messages.count() == 2) {
REPORTER_ASSERT(r, messages[0].fInboxID == 0);
REPORTER_ASSERT(r, messages[1].fInboxID == 1);
}
inbox2.poll(&messages);
REPORTER_ASSERT(r, messages.count() == 2);
if (messages.count() == 2) {
REPORTER_ASSERT(r, messages[0].fInboxID == 0);
REPORTER_ASSERT(r, messages[1].fInboxID == 2);
}
}
// Multithreaded tests tbd.