mirror of
https://github.com/zeldaret/ss
synced 2026-07-03 12:30:07 -04:00
eggAsyncDisplay almost
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robojumper
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#include <egg/core/eggAsyncDisplay.h>
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#include <egg/math/eggMatrix.h>
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#include <egg/core/eggXfbManager.h>
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#include <rvl/GX/GXTexture.h>
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#include <rvl/GX/GXHardware.h>
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// This file still has incorrect sdata2
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static EGG::AsyncDisplay *lbl_80576790[2];
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namespace EGG {
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AsyncDisplay::AsyncDisplay(u8 maxRetrace): Display(maxRetrace) {
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this->field_0x98 = 0.0;
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this->field_0x9C = 0.0;
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this->field_0xA4 = 0;
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this->field_0xA8 = 0;
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this->field_0xAC = 0;
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this->field_0xB8 = 0;
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lbl_80576790[0] = this;
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OSInitThreadQueue(&this->mThreadQueue);
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OSInitMessageQueue(&this->mMesgQueue, this->mMesgBuf, 4);
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}
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f32 AsyncDisplay::calcS() {
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f32 tmp = this->field_0x9C + this->field_0xA0;
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this->field_0x9C = tmp;
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if (!(tmp > 1.0f)) {
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return tmp;
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}
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if (this->mScreenStateFlag.onBit(4)) {
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this->field_0x9C = tmp - 1.0f;
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this->mScreenStateFlag.resetBit(4);
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} else {
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this->field_0x9C = tmp - this->field_0xA0;
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this->mScreenStateFlag.setBit(4);
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}
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return tmp;
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}
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inline void AsyncDisplay::waitForMsg(bool b) {
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// This is really ugly but I couldn't find a different way
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// to make the compiler use the registers
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XfbManager *xfb;
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while (!((xfb = BaseSystem::mConfigData->getXfbMgr(), 1 < xfb->mNumXfbs - this->field_0xAC) && (BaseSystem::mConfigData->getXfbMgr()->mToCopyXfb != nullptr || b))) {
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OSReceiveMessage(&this->mMesgQueue, this->mMesgBuf, 1);
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while (OSReceiveMessage(&this->mMesgQueue, this->mMesgBuf, 0)) {}
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}
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}
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void AsyncDisplay::beginFrame() {
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BaseSystem::mConfigData->getXfbMgr();
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GXDrawDone();
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if (this->mFlag.onBit(1)) {
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OSSleepThread(&this->mThreadQueue);
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}
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bool b = false;
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if (BaseSystem::mConfigData->getXfbMgr()->mNumXfbs == 1) {
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s32 tick = OSGetTick();
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s32 lastTick = this->mLastTick;
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if (tick - lastTick > Display::sTickPeriod) {
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VIWaitForRetrace();
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}
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} else {
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b = false;
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if (this->field_0x98 == 1 && this->mScreenStateFlag.onBit(6)) {
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b = true;
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}
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this->waitForMsg(b);
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}
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if (b) {
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this->clearEFB();
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this->mScreenStateFlag.resetBit(6);
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GXDrawDone();
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} else {
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this->copyEFBtoXFB();
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}
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if (this->field_0x98 == 1) {
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this->calcS();
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}
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this->field_0xAC++;
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this->mFrameCount++;
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this->calcFrequency();
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}
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void AsyncDisplay::endFrame() {
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if (this->mScreenStateFlag.onBit(4)) {
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this->mScreenStateFlag.setBit(5);
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}
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}
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void AsyncDisplay::endRender() {
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if (this->mScreenStateFlag.onBit(5)) {
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this->mScreenStateFlag.setBit(6);
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this->mScreenStateFlag.resetBit(5);
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}
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}
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void AsyncDisplay::preVRetrace() {
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s32 tick = OSGetTick();
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this->mLastTick = tick;
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if (this->field_0x98 == 0) {
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u32 a8 = ++this->field_0xA8;
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if (a8 - this->field_0xA4 >= this->mMaxRetraces) {
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this->field_0xA4 = a8;
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this->mScreenStateFlag.setBit(3);
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OSSendMessage(&this->mMesgQueue, this->mMesgBuf, 0);
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if (this->field_0xAC > 0) {
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this->field_0xAC--;
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}
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}
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OSWakeupThread(&this->mThreadQueue);
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}
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if (this->mScreenStateFlag.onBit(3)) {
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s32 count = VIGetRetraceCount();
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if (count - this->mRetraceCount >= this->mMaxRetraces) {
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if (this->mScreenStateFlag.onBit(0)) {
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Video *video = BaseSystem::mConfigData->getVideo();
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VISetBlack(video->mFlag.offBit(0));
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if (video->mFlag.offBit(0)) {
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video->mFlag.setBit(0);
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} else {
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video->mFlag.resetBit(0);
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}
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this->mScreenStateFlag.resetBit(0);
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}
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XfbManager *xfb = BaseSystem::mConfigData->getXfbMgr();
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xfb->setNextFrameBuffer();
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s32 newCount = VIGetRetraceCount();
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this->mRetraceCount = newCount;
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this->mScreenStateFlag.resetBit(3);
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}
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}
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}
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void AsyncDisplay::clearEFB() {
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Video *video = BaseSystem::mConfigData->getVideo();
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GXRenderModeObj const *renderMode = video->pRenderMode;
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this->clearEFB(renderMode->fbWidth, renderMode->efbHeight, 0, 0, renderMode->fbWidth, renderMode->efbHeight, this->mClearColor);
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}
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u32 AsyncDisplay::getTickPerFrame() {
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if (this->field_0x98 == 1) {
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return Video::getTickPerVRetrace(0);
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} else {
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return Video::getTickPerVRetrace();
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}
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}
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// TODO move
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extern "C" {
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extern GXTexObj lbl_80673B20, lbl_8056EB20;
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extern Matrix34f lbl_80674C00;
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}
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void AsyncDisplay::clearEFB(u16 fbWidth, u16 fbHeight, u16 x, u16 y, u16 width, u16 height, nw4r::ut::Color color) {
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GXInitTexObj(&lbl_80673B20, &lbl_8056EB20, 4, 4, GX_TF_Z24X8, GX_REPEAT, GX_REPEAT, 0);
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GXInitTexObjLOD(&lbl_80673B20, GX_NEAR, GX_NEAR, 0.0, 0.0, 0.0, 0, 0, GX_ANISO_1);
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Mtx44 mat;
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C_MTXOrtho(mat, 0.0, (float)fbHeight, 0.0, (float)fbWidth, 0.0, 1.0f);
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GXSetProjection(mat, GX_ORTHOGRAPHIC);
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GXSetViewport(0.0, 0.0, (float)fbWidth, (float)fbHeight, 0.0, 1.0f);
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GXSetScissor(0, 0, fbWidth, fbHeight);
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lbl_80674C00.loadPosMtx(0);
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GXSetCurrentMtx(0);
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GXClearVtxDesc();
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GXSetVtxDesc(GX_VA_POS, GX_DIRECT);
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GXSetVtxDesc(GX_VA_TEX0, GX_DIRECT);
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GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_CLR_RGB, GX_RGBX8, 0);
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GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_CLR_RGBA, GX_RGB565, 0);
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GXSetNumChans(0);
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GXSetChanCtrl(GX_COLOR0A0, false, GX_SRC_REG, GX_SRC_REG, GX_LIGHT_NULL, GX_DF_NONE, GX_AF_NONE);
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GXSetChanCtrl(GX_COLOR1A1, false, GX_SRC_REG, GX_SRC_REG, GX_LIGHT_NULL, GX_DF_NONE, GX_AF_NONE);
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GXSetNumTexGens(1);
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GXSetTexCoordGen2(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, 0x3c, false, 0x7d);
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GXLoadTexObj(&lbl_80673B20, GX_TEXMAP0);
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GXSetNumTevStages(1);
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GXSetTevColor(GX_TEVREG0, color);
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GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
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GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_C0);
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GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_TEV_SCALE_0, 1, GX_TEVPREV);
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GXSetTevAlphaIn(GX_TEVSTAGE0, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_A0);
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GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_TEV_SCALE_0, 1, GX_TEVPREV);
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GXSetAlphaCompare(GX_ALWAYS, 0, GX_AOP_OR, GX_ALWAYS, 0);
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GXSetZTexture(2, GX_TF_Z24X8, 0);
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GXSetZCompLoc(false);
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GXSetBlendMode(GX_BM_NONE, GX_BL_ZERO, GX_BL_ZERO, GX_LO_NOOP);
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GXSetAlphaUpdate(true);
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GXSetDstAlpha(true, color.a);
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GXSetZMode(true, GX_ALWAYS, true);
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GXSetCullMode(GX_CULL_BACK);
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GXBegin(GX_QUADS, GX_VTXFMT0, 4);
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// The regs are wrong here
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WGPIPE.us = x;
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WGPIPE.us = y;
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WGPIPE.c = 0;
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WGPIPE.c = 0;
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WGPIPE.us = x + width;
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WGPIPE.us = y;
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WGPIPE.c = 1;
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WGPIPE.c = 0;
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WGPIPE.us = x + width;
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WGPIPE.us = y + height;
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WGPIPE.c = 1;
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WGPIPE.c = 1;
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WGPIPE.us = width;
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WGPIPE.us = y + height;
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WGPIPE.c = 0;
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WGPIPE.c = 1;
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GXSetZTexture(0, GX_TF_Z24X8, 0);
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GXSetZCompLoc(true);
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GXSetDstAlpha(false, color.a);
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}
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} // namespace EGG
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