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#include "egg/core/eggDisplay.h"
#include "egg/core/eggXfbManager.h"
#include "nw4r/db/db_directPrint.h"
#include "rvl/GX.h" // IWYU pragma: export
#include "rvl/OS.h" // IWYU pragma: export
extern "C" {
void PreRetraceCallback(u32 retraceCount) {
EGG::BaseSystem::getDisplay()->preVRetrace();
}
}
namespace EGG {
u32 Display::sTickPeriod = ((OS_BUS_CLOCK_SPEED >> 2) / 125000) * 300 >> 3;
/* 80497570 */
Display::Display(u8 maxRetrace)
: mMaxRetraces(maxRetrace), mScreenStateFlag(0), mRetraceCount(0), mFrameCount(0), mClearColor(0x808080ff),
mClearZ(0xFFFFFF), mBeginTick(0), mFlag(0) {
mFlag.setBit(mFlag_SetClear);
mFlag.setBit(mFlag_WaitForRetrace);
nw4r::db::DirectPrint_Init();
VISetPreRetraceCallback(PreRetraceCallback);
}
/* vt 0x18 | 804975f0 */
u32 Display::getTickPerFrame() {
return Video::getTickPerVRetrace();
}
/* vt 0x08 | 80497600 */
void Display::beginFrame() {
GXDrawDone();
if (mFlag.onBit(mFlag_WaitForRetrace) ||
(BaseSystem::getXfbMgr()->mNumXfbs == 1 && OSGetTick() - mLastTick > sTickPeriod)) {
VIWaitForRetrace();
}
// Holds while the next XFB gets to its copy state
while (BaseSystem::getXfbMgr()->mToCopyXfb == 0) {
VIWaitForRetrace();
}
copyEFBtoXFB();
calcFrequency();
mFrameCount++;
}
/* vt 0x0C | 804976c0 */
void Display::beginRender() {
return;
}
/* vt 0x10 | 804976d0 */
void Display::endRender() {
return;
}
/* vt 0x14 | 804976e0 */
void Display::endFrame() {
return;
}
/* vt 0x1C | 804976f0 */
void Display::preVRetrace() {
mLastTick = OSGetTick();
if (VIGetRetraceCount() - mRetraceCount < mMaxRetraces) {
return;
}
if (mScreenStateFlag.onBit(mScreenStateFlag_SetBlack)) {
BaseSystem::getVideo()->setBlack(1);
mScreenStateFlag.resetBit(mScreenStateFlag_SetBlack);
}
BaseSystem::getXfbMgr()->setNextFrameBuffer();
mRetraceCount = VIGetRetraceCount();
}
/* 804977d0 */
void Display::copyEFBtoXFB() {
if (mFlag.onBit(mFlag_SetClear)) {
GXSetCopyClear(mClearColor, mClearZ);
}
GXRenderModeObj const *renderObj = BaseSystem::getVideo()->pRenderMode;
GXSetCopyFilter(renderObj->aa, renderObj->sample_pattern, renderObj->aa == 0, renderObj->vfilter);
BaseSystem::getXfbMgr()->copyEFB(mFlag.onBit(mFlag_SetClear));
}
/* 80497870 */
void Display::calcFrequency() {
s32 endTick = OSGetTick();
mDeltaTick = endTick - mBeginTick;
mFrequency = 1000000.0f / ((mDeltaTick * 8) / ((OS_BUS_CLOCK_SPEED >> 2) / 125000));
mBeginTick = endTick;
}
} // namespace EGG
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