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2026-06-14 19:09:18 +01:00

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9.8 KiB
C++

/* -*- tab-width: 4; -*- */
/* vi: set sw=2 ts=4 expandtab: */
/*
* Copyright 2015-2020 Mark Callow.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @internal
* @file
* @~English
*
* @brief Implementation of app for running a set of OpenGL load tests.
*/
#include <exception>
#include <sstream>
#include <ktx.h>
#include "GLLoadTests.h"
#include "ltexceptions.h"
GLLoadTests::GLLoadTests(const sampleInvocation samples[],
const uint32_t numSamples,
const char* const name,
const SDL_GLProfile profile,
const int majorVersion,
const int minorVersion)
: GLAppSDL(name, 640, 480, profile, majorVersion, minorVersion),
siSamples(samples), sampleIndex(numSamples)
{
pCurSample = nullptr;
}
GLLoadTests::~GLLoadTests()
{
delete pCurSample;
}
bool
GLLoadTests::initialize(Args& args)
{
bool explicitlyLoadOpenGL = false;
for (uint32_t i = 1; i < args.size(); i++) {
if (args[i].compare("--load-gl") == 0) {
explicitlyLoadOpenGL = true;
args.erase(args.begin() + i);
break;
}
}
if (!GLAppSDL::initialize(args))
return false;
// --load-gl allows testing of explicitly loading the OpenGL pointers.
// Default is for ktxTexture_GLUpload to implicitly load them.
if (explicitlyLoadOpenGL)
ktxLoadOpenGL(reinterpret_cast<PFNGLGETPROCADDRESS>(SDL_GL_GetProcAddress));
for (auto it = args.begin() + 1; it != args.end(); it++) {
infiles.push_back(*it);
}
if (infiles.size() > 0) {
sampleIndex.setNumSamples((uint32_t)infiles.size());
}
// Launch the first sample.
invokeSample(Direction::eForward);
return true;
}
void
GLLoadTests::finalize()
{
delete pCurSample;
GLAppSDL::finalize();
}
bool
GLLoadTests::doEvent(SDL_Event* event)
{
bool result = false;
switch (event->type) {
case SDL_EVENT_KEY_UP:
switch (event->key.key) {
case 'q':
quit = true;
break;
case 'n':
++sampleIndex;
invokeSample(Direction::eForward);
break;
case 'p':
--sampleIndex;
invokeSample(Direction::eBack);
break;
default:
result = true;
}
break;
case SDL_EVENT_MOUSE_BUTTON_DOWN:
// Forward to sample in case this is the start of motion.
result = true;
switch (event->button.button) {
case SDL_BUTTON_LEFT:
buttonDown.x = event->button.x;
buttonDown.y = event->button.y;
buttonDown.timestamp = event->button.timestamp;
break;
default:
break;
}
break;
case SDL_EVENT_MOUSE_BUTTON_UP:
// Forward to sample so it doesn't get stuck in button down state.
result = true;
switch (event->button.button) {
case SDL_BUTTON_LEFT:
if (SDL_fabs(event->button.x - buttonDown.x) < 5
&& SDL_fabs(event->button.y - buttonDown.y) < 5
&& (event->button.timestamp - buttonDown.timestamp) < 100) {
// Advance to the next sample.
++sampleIndex;
invokeSample(Direction::eForward);
}
break;
default:
break;
}
break;
// On macOS drop events come also when Launch Pad sends a file open event.
case SDL_EVENT_DROP_BEGIN:
// Opens of multiple selected files from Finder/LaunchPad come as
// a BEGIN, COMPLETE sequence per file. Only clear infiles after a
// suitable pause between COMPLETE and BEGIN.
if (event->drop.timestamp - dropCompleteTime > 500) {
infiles.clear();
}
break;
case SDL_EVENT_DROP_FILE:
infiles.push_back(event->drop.data);
break;
case SDL_EVENT_DROP_COMPLETE:
if (!infiles.empty()) {
// Guard against the drop being text.
dropCompleteTime = event->drop.timestamp;
sampleIndex.setNumSamples((uint32_t)infiles.size());
invokeSample(Direction::eForward);
}
break;
case SDL_EVENT_USER:
if (event->user.code == SwipeDetector::swipeGesture) {
// This is horrible.
uint64_t udirection = reinterpret_cast<uint64_t>(event->user.data1);
SwipeDetector::Direction direction =
static_cast<SwipeDetector::Direction>(udirection);
switch (direction) {
case SwipeDetector::Direction::left:
++sampleIndex;
invokeSample(Direction::eForward);
break;
case SwipeDetector::Direction::right:
--sampleIndex;
invokeSample(Direction::eBack);
break;
default:
result = true;
}
} else {
result = true;
}
break;
default:
result = swipeDetector.doEvent(event);
}
if (result) {
// Further processing required.
if (pCurSample != nullptr)
result = pCurSample->doEvent(event); // Give sample a chance.
if (result)
return GLAppSDL::doEvent(event); // Pass to base class.
}
return result;
}
void
GLLoadTests::windowResized()
{
if (pCurSample != nullptr)
pCurSample->resize(w_width, w_height);
}
void
GLLoadTests::drawFrame(uint32_t msTicks)
{
if (pCurSample != nullptr)
pCurSample->run(msTicks);
GLAppSDL::drawFrame(msTicks);
}
#if 0
void
GLLoadTests::getOverlayText(GLTextOverlay * textOverlay)
{
if (enableTextOverlay && pCurSample != nullptr) {
pCurSample->getOverlayText(textOverlay);
}
}
#endif
void
GLLoadTests::invokeSample(Direction dir)
{
const sampleInvocation* sampleInv = &siSamples[sampleIndex];
delete pCurSample;
// Certain events can be triggered during new sample initialization
// while pCurSample is not valid, e.g. FOCUS_LOST. Protect against
// problems from this by indicating there is no current sample.
pCurSample = nullptr;
uint32_t unsupportedTypeExceptions = 0;
std::string fileTitle;
for (;;) {
try {
if (infiles.size() > 0) {
fileTitle = "Viewing file ";
fileTitle += infiles[sampleIndex];
pCurSample = showFile(infiles[sampleIndex]);
} else {
sampleInv = &siSamples[sampleIndex];
pCurSample = sampleInv->createSample(w_width, w_height,
sampleInv->args,
sBasePath);
}
break;
} catch (unsupported_ctype& e) {
(void)e; // To quiet unused variable warnings from some compilers.
unsupportedTypeExceptions++;
if (unsupportedTypeExceptions == sampleIndex.getNumSamples()) {
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
infiles.size() > 0 ? fileTitle.c_str() : sampleInv->title,
"None of the specified samples or files use texture types "
"supported on this platform.",
NULL);
exit(0);
} else {
dir == Direction::eForward ? ++sampleIndex : --sampleIndex;
}
} catch (std::exception& e) {
const SDL_MessageBoxButtonData buttons[] = {
/* .flags, .buttonid, .text */
{ SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, 0, "Continue" },
{ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, 1, "Abort" },
};
#if 0
const SDL_MessageBoxColorScheme colorScheme = {
{ /* .colors (.r, .g, .b) */
/* [SDL_MESSAGEBOX_COLOR_BACKGROUND] */
{ 255, 0, 0 },
/* [SDL_MESSAGEBOX_COLOR_TEXT] */
{ 0, 255, 0 },
/* [SDL_MESSAGEBOX_COLOR_BUTTON_BORDER] */
{ 255, 255, 0 },
/* [SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND] */
{ 0, 0, 255 },
/* [SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED] */
{ 255, 0, 255 }
}
};
#endif
const SDL_MessageBoxData messageboxdata = {
SDL_MESSAGEBOX_ERROR, // .flags
NULL, // .window
infiles.size() > 0 ?
fileTitle.c_str() : sampleInv->title, // .title
e.what(), // .message
SDL_arraysize(buttons), // .numbuttons
buttons, // .buttons
NULL //&colorScheme // .colorScheme
};
int buttonid;
if (!SDL_ShowMessageBox(&messageboxdata, &buttonid)) {
SDL_Log("error displaying error message box");
exit(1);
}
if (buttonid == 0) {
// Continue
dir == Direction::eForward ? ++sampleIndex : --sampleIndex;
} else {
// We've been told to quit or no button was pressed.
exit(1);
}
}
}
setAppTitle(infiles.size() > 0 ? fileTitle.c_str() : sampleInv->title);
pCurSample->resize(w_width, w_height);
}
void
GLLoadTests::onFPSUpdate()
{
// Using onFPSUpdate avoids rewriting the title every frame.
//setWindowTitle(pCurSample->title);
GLAppSDL::onFPSUpdate();
}