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renderer: reject non-clean scales, find nearest clean

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This commit is contained in:
Vaxry 2023-12-22 19:54:05 +01:00
parent 7cec618fe4
commit 37d2840246
2 changed files with 41 additions and 2 deletions
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3
src/helpers/Monitor.hpp
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@ -40,7 +40,8 @@ class CMonitor {
uint64_t ID = -1;
int activeWorkspace = -1;
float scale = 1;
float setScale = 1; // scale set by cfg
float scale = 1; // real scale
std::string szName = "";
std::string szDescription = "";

40
src/render/Renderer.cpp
View file

@ -1704,7 +1704,7 @@ bool CHyprRenderer::applyMonitorRule(CMonitor* pMonitor, SMonitorRule* pMonitorR
// Check if the rule isn't already applied
// TODO: clean this up lol
if (!force && DELTALESSTHAN(pMonitor->vecPixelSize.x, pMonitorRule->resolution.x, 1) && DELTALESSTHAN(pMonitor->vecPixelSize.y, pMonitorRule->resolution.y, 1) &&
DELTALESSTHAN(pMonitor->refreshRate, pMonitorRule->refreshRate, 1) && pMonitor->scale == pMonitorRule->scale &&
DELTALESSTHAN(pMonitor->refreshRate, pMonitorRule->refreshRate, 1) && pMonitor->setScale == pMonitorRule->scale &&
((DELTALESSTHAN(pMonitor->vecPosition.x, pMonitorRule->offset.x, 1) && DELTALESSTHAN(pMonitor->vecPosition.y, pMonitorRule->offset.y, 1)) ||
pMonitorRule->offset == Vector2D(-INT32_MAX, -INT32_MAX)) &&
pMonitor->transform == pMonitorRule->transform && pMonitorRule->enable10bit == pMonitor->enabled10bit &&
@ -1726,6 +1726,8 @@ bool CHyprRenderer::applyMonitorRule(CMonitor* pMonitor, SMonitorRule* pMonitorR
pMonitor->scale = DEFAULTSCALE;
}
pMonitor->setScale = pMonitor->scale;
wlr_output_set_transform(pMonitor->output, pMonitorRule->transform);
pMonitor->transform = pMonitorRule->transform;
@ -1942,6 +1944,42 @@ bool CHyprRenderer::applyMonitorRule(CMonitor* pMonitor, SMonitorRule* pMonitorR
pMonitor->vecPixelSize = pMonitor->vecSize;
Vector2D logicalSize = pMonitor->vecPixelSize / pMonitor->scale;
if (logicalSize.x != std::round(logicalSize.x) || logicalSize.y != std::round(logicalSize.y)) {
// invalid scale, will produce fractional pixels.
// find the nearest valid.
float searchScale = std::round(pMonitor->scale * 360.0);
bool found = false;
for (size_t i = 0; i < 90; ++i) {
double scaleUp = (searchScale + i) / 360.0;
double scaleDown = (searchScale - i) / 360.0;
Vector2D logicalUp = pMonitor->vecPixelSize / scaleUp;
Vector2D logicalDown = pMonitor->vecPixelSize / scaleDown;
if (logicalUp == logicalUp.round()) {
found = true;
searchScale = scaleUp;
break;
}
if (logicalDown == logicalDown.round()) {
found = true;
searchScale = scaleDown;
break;
}
}
if (!found) {
Debug::log(ERR, "Invalid scale passed to monitor, {} failed to find a clean divisor", pMonitor->scale);
g_pConfigManager->addParseError("Invalid scale passed to monitor " + pMonitor->szName + ", failed to find a clean divisor");
} else {
Debug::log(WARN, "Invalid scale ({}) passed to monitor, adjusting to {}", pMonitor->scale, searchScale);
pMonitor->scale = searchScale;
}
}
// clang-format off
static const std::array<std::vector<std::pair<std::string, uint32_t>>, 2> formats{
std::vector<std::pair<std::string, uint32_t>>{ /* 10-bit */