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LatteRenderTarget.cpp
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LatteRenderTarget.cpp
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#include "Cafe/HW/Latte/ISA/RegDefines.h"
#include "Cafe/HW/Latte/Core/Latte.h"
#include "Cafe/HW/Latte/Core/LatteDraw.h"
#include "Cafe/HW/Latte/Core/LatteShader.h"
#include "Cafe/HW/Latte/Core/LatteOverlay.h"
#include "Cafe/HW/Latte/Core/LatteBufferCache.h"
#include "Cafe/HW/Latte/Core/LatteTexture.h"
#include "Cafe/HW/Latte/Core/LatteCachedFBO.h"
#include "Cafe/HW/Latte/Renderer/Renderer.h"
#include "Cafe/HW/Latte/Core/LattePerformanceMonitor.h"
#include "Cafe/GraphicPack/GraphicPack2.h"
#include "config/ActiveSettings.h"
#include "Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.h"
#include "gui/guiWrapper.h"
#include "Cafe/OS/libs/erreula/erreula.h"
#include "input/InputManager.h"
#include "Cafe/OS/libs/swkbd/swkbd.h"
uint32 prevScissorX = 0;
uint32 prevScissorY = 0;
uint32 prevScissorWidth = 0;
uint32 prevScissorHeight = 0;
bool hasValidFramebufferAttached = false;
struct LatteMRTQuad
{
sint32 width;
sint32 height;
};
struct
{
LatteMRTQuad currentRenderSize;
LatteMRTQuad currentEffectiveSize;
struct
{
sint32 width;
sint32 height;
}currentGuestViewport;
bool renderTargetIsResized;
// tracking
sint32 rtUpdateListCount;
LatteTextureView* rtUpdateList[64];
sint32 rtUpdateListSlice[64];
sint32 rtUpdateListMip[64];
}sLatteRenderTargetState;
struct
{
struct
{
LatteTextureView* view{};
}colorBuffer[8];
struct
{
LatteTextureView* view{};
bool hasStencil{false};
}depthBuffer;
}sLatteCurrentRendertargets{};
LatteCachedFBO::LatteCachedFBO(uint64 key) : key(key)
{
for (sint32 i = 0; i < 8; i++)
{
LatteTextureView* colorTexView = sLatteCurrentRendertargets.colorBuffer[i].view;
colorBuffer[i].texture = colorTexView;
if (colorTexView)
{
vectorAppendUnique(colorTexView->list_associatedFbo, this);
m_referencedTextures.emplace_back(colorTexView->baseTexture);
}
}
if (sLatteCurrentRendertargets.depthBuffer.view)
{
LatteTextureView* depthTexView = sLatteCurrentRendertargets.depthBuffer.view;
depthBuffer.texture = depthTexView;
depthBuffer.hasStencil = sLatteCurrentRendertargets.depthBuffer.hasStencil;
if (depthTexView)
{
vectorAppendUnique(depthTexView->list_associatedFbo, this);
m_referencedTextures.emplace_back(depthTexView->baseTexture);
}
}
calculateEffectiveRenderAreaSize();
}
void LatteMRT::NotifyTextureDeletion(LatteTexture* texture)
{
for (sint32 i = 0; i < Latte::GPU_LIMITS::NUM_COLOR_ATTACHMENTS; i++)
{
if (sLatteCurrentRendertargets.colorBuffer[i].view && sLatteCurrentRendertargets.colorBuffer[i].view->baseTexture == texture)
{
sLatteCurrentRendertargets.colorBuffer[i].view = nullptr;
}
}
}
LatteCachedFBO* LatteMRT::CreateCachedFBO(uint64 key)
{
return g_renderer->rendertarget_createCachedFBO(key);
}
void LatteMRT::DeleteCachedFBO(LatteCachedFBO* cfbo)
{
// color textures
for (sint32 i = 0; i < 8; i++)
{
if (cfbo->colorBuffer[i].texture == NULL)
continue;
cfbo->colorBuffer[i].texture->list_fboLookup.erase(std::remove(cfbo->colorBuffer[i].texture->list_fboLookup.begin(), cfbo->colorBuffer[i].texture->list_fboLookup.end(), cfbo), cfbo->colorBuffer[i].texture->list_fboLookup.end());
cfbo->colorBuffer[i].texture->list_associatedFbo.erase(std::remove(cfbo->colorBuffer[i].texture->list_associatedFbo.begin(), cfbo->colorBuffer[i].texture->list_associatedFbo.end(), cfbo), cfbo->colorBuffer[i].texture->list_associatedFbo.end());
}
// depth texture
if (cfbo->depthBuffer.texture)
{
cfbo->depthBuffer.texture->list_fboLookup.erase(std::remove(cfbo->depthBuffer.texture->list_fboLookup.begin(), cfbo->depthBuffer.texture->list_fboLookup.end(), cfbo), cfbo->depthBuffer.texture->list_fboLookup.end());
cfbo->depthBuffer.texture->list_associatedFbo.erase(std::remove(cfbo->depthBuffer.texture->list_associatedFbo.begin(), cfbo->depthBuffer.texture->list_associatedFbo.end(), cfbo), cfbo->depthBuffer.texture->list_associatedFbo.end());
}
g_renderer->rendertarget_deleteCachedFBO(cfbo);
delete cfbo;
}
LatteCachedFBO* g_emptyFBO = nullptr;
void LatteMRT::SetColorAttachment(uint32 index, LatteTextureView* view)
{
sLatteCurrentRendertargets.colorBuffer[index].view = view;
}
void LatteMRT::SetDepthAndStencilAttachment(LatteTextureView* view, bool hasStencil)
{
sLatteCurrentRendertargets.depthBuffer.view = view;
sLatteCurrentRendertargets.depthBuffer.hasStencil = hasStencil;
}
LatteTextureView* LatteMRT::GetColorAttachment(uint32 index)
{
cemu_assert_debug(index < 8);
return sLatteCurrentRendertargets.colorBuffer[index].view;
}
LatteTextureView* LatteMRT::GetDepthAttachment()
{
return sLatteCurrentRendertargets.depthBuffer.view;
}
void LatteMRT::ApplyCurrentState()
{
uint64 key = 0;
LatteTextureView* fboLookupView = NULL;
for (sint32 i = 0; i < 8; i++)
{
LatteTextureView* colorView = sLatteCurrentRendertargets.colorBuffer[i].view;
if (colorView)
{
key += ((uint64)colorView);
key = std::rotl<uint64>(key, 5);
fboLookupView = colorView;
}
key = std::rotl<uint64>(key, 7);
}
if (sLatteCurrentRendertargets.depthBuffer.view)
{
key += ((uint64)sLatteCurrentRendertargets.depthBuffer.view);
key = std::rotl<uint64>(key, 5);
key += (sLatteCurrentRendertargets.depthBuffer.hasStencil);
if (fboLookupView == NULL)
{
fboLookupView = sLatteCurrentRendertargets.depthBuffer.view;
}
}
// use fboLookupTexture to find cached FBO
if (fboLookupView == nullptr)
{
if (!g_emptyFBO)
g_emptyFBO = CreateCachedFBO(key);
g_renderer->rendertarget_bindFramebufferObject(g_emptyFBO);
return;
}
// look for FBO
for (auto& fbo : fboLookupView->list_fboLookup)
{
if (fbo->key == key)
{
// found matching FBO
g_renderer->rendertarget_bindFramebufferObject(fbo);
return;
}
}
// create new cached FBO
LatteCachedFBO* cfbo = CreateCachedFBO(key);
g_renderer->rendertarget_bindFramebufferObject(cfbo);
fboLookupView->list_fboLookup.push_back(cfbo);
// some extra checks to verify that looked up fbo matches active buffers
cemu_assert_debug(cfbo->colorBuffer[0].texture == sLatteCurrentRendertargets.colorBuffer[0].view);
cemu_assert_debug(cfbo->colorBuffer[1].texture == sLatteCurrentRendertargets.colorBuffer[1].view);
cemu_assert_debug(cfbo->colorBuffer[2].texture == sLatteCurrentRendertargets.colorBuffer[2].view);
cemu_assert_debug(cfbo->depthBuffer.texture == sLatteCurrentRendertargets.depthBuffer.view);
}
void LatteMRT::BindColorBufferOnly(LatteTextureView* view)
{
cemu_assert_debug(!view->baseTexture->isDepth);
SetColorAttachment(0, view);
for (sint32 i = 1; i < 8; i++)
SetColorAttachment(i, nullptr);
SetDepthAndStencilAttachment(nullptr, false);
ApplyCurrentState();
}
void LatteMRT::BindDepthBufferOnly(LatteTextureView* view)
{
cemu_assert_debug(view->baseTexture->isDepth);
for (sint32 i = 0; i < 8; i++)
SetColorAttachment(i, nullptr);
SetDepthAndStencilAttachment(view, view->baseTexture->hasStencil);
ApplyCurrentState();
}
LatteTextureView* LatteMRT_CreateDepthBuffer(MPTR depthBufferPhysMem, uint32 width, uint32 height, uint32 pitch, Latte::E_HWTILEMODE tileMode, Latte::E_GX2SURFFMT format, uint32 swizzle, sint32 viewSlice)
{
LatteTextureView* textureView = LatteTexture_CreateMapping(depthBufferPhysMem, MPTR_NULL, width, height, viewSlice+1, pitch, tileMode, swizzle, 0, 1, viewSlice, 1, format, viewSlice > 0 ? Latte::E_DIM::DIM_2D_ARRAY : Latte::E_DIM::DIM_2D, Latte::E_DIM::DIM_2D, true);
LatteMRT::SetDepthAndStencilAttachment(textureView, textureView->baseTexture->hasStencil);
return textureView;
}
sint32 _depthBufferSizeWarningCount = 0;
LatteTextureView* LatteMRT::GetColorAttachmentTexture(uint32 index, bool createNew, bool checkForTextureChanges)
{
uint32* colorBufferRegBase = LatteGPUState.contextRegister+(mmCB_COLOR0_BASE + index);
uint32 regColorBufferBase = colorBufferRegBase[mmCB_COLOR0_BASE - mmCB_COLOR0_BASE] & 0xFFFFFF00; // the low 8 bits are ignored? How to Survive seems to rely on this
uint32 regColorSize = colorBufferRegBase[mmCB_COLOR0_SIZE - mmCB_COLOR0_BASE];
uint32 regColorInfo = colorBufferRegBase[mmCB_COLOR0_INFO - mmCB_COLOR0_BASE];
uint32 regColorView = colorBufferRegBase[mmCB_COLOR0_VIEW - mmCB_COLOR0_BASE];
// decode color buffer reg info
Latte::E_HWTILEMODE colorBufferTileMode = (Latte::E_HWTILEMODE)((regColorInfo >> 8) & 0xF);
uint32 numberType = (regColorInfo >> 12) & 7;
Latte::E_GX2SURFFMT colorBufferFormat = GetColorBufferFormat(index, LatteGPUState.contextNew);
MPTR colorBufferPhysMem = regColorBufferBase;
uint32 colorBufferSwizzle = 0;
if ( Latte::TM_IsMacroTiled(colorBufferTileMode) )
{
colorBufferSwizzle = colorBufferPhysMem & 0x700;
colorBufferPhysMem = colorBufferPhysMem & ~(7 << 8);
}
// get view slice and view slice num
uint32 viewFirstSlice = (regColorView & 0x7FF);
uint32 viewNumSlices = ((regColorView >> 13) & 0x7FF) - viewFirstSlice + 1;
if (viewNumSlices != 1)
{
debug_printf("viewNumSlices is not 1! (%d)\n", viewNumSlices);
}
uint32 colorBufferPitch = (((regColorSize >> 0) & 0x3FF) + 1);
colorBufferPitch <<= 3;
uint32 pitchHeight = (((regColorSize >> 10) & 0xFFFFF) + 1);
pitchHeight <<= 6;
uint32 colorBufferHeight = pitchHeight / colorBufferPitch;
uint32 colorBufferWidth = colorBufferPitch;
// colorbuffer width/height has to be padded to 8/32 alignment but the actual resolution might be smaller
// use the scissor box as a clue to figure out the original resolution if possible
if(LatteGPUState.allowFramebufferSizeOptimization)
{
uint32 scissorBoxWidth = LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_BR.get_BR_X();
uint32 scissorBoxHeight = LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_BR.get_BR_Y();
if (((scissorBoxWidth + 7) & ~7) == colorBufferWidth)
colorBufferWidth = scissorBoxWidth;
if (((colorBufferHeight + 31) & ~31) == colorBufferHeight)
colorBufferHeight = scissorBoxHeight;
}
// log resolution changes if the above heuristic takes effect
// this is useful to find resolutions which need to be updated in gfx pack texture rules
#if 0
uint32 colorBufferHeight2 = pitchHeight / colorBufferPitch;
static std::unordered_set<uint64> s_foundColorBufferResMappings;
if (colorBufferPitch != colorBufferWidth || colorBufferHeight != colorBufferHeight2)
{
// only log unique, source and dest resolution. Encode into a key with 16 bits per component
uint64 resHash = (uint64)colorBufferWidth | ((uint64)colorBufferHeight << 16) | ((uint64)colorBufferPitch << 32) | ((uint64)colorBufferHeight2 << 48);
if( !s_foundColorBufferResMappings.contains(resHash) )
{
s_foundColorBufferResMappings.insert(resHash);
cemuLog_log(LogType::Force, "[COLORBUFFER-DBG] Using res {}x{} instead of {}x{}", colorBufferWidth, colorBufferHeight, colorBufferPitch, colorBufferHeight2);
}
}
#endif
bool colorBufferWasFound = false;
sint32 viewFirstMip = 0; // todo
cemu_assert_debug(viewNumSlices == 1);
LatteTextureView* colorBufferView = LatteTextureViewLookupCache::lookupSliceEx(colorBufferPhysMem, colorBufferWidth, colorBufferHeight, colorBufferPitch, viewFirstMip, viewFirstSlice, colorBufferFormat, false);
if (colorBufferView == nullptr)
{
// create color buffer view
colorBufferView = LatteTexture_CreateMapping(colorBufferPhysMem, 0, colorBufferWidth, colorBufferHeight, (viewFirstSlice + viewNumSlices), colorBufferPitch, colorBufferTileMode, colorBufferSwizzle>>8, viewFirstMip, 1, viewFirstSlice, viewNumSlices, (Latte::E_GX2SURFFMT)colorBufferFormat, (viewFirstSlice + viewNumSlices)>1? Latte::E_DIM::DIM_2D_ARRAY: Latte::E_DIM::DIM_2D, Latte::E_DIM::DIM_2D, false, true);
LatteGPUState.repeatTextureInitialization = true;
checkForTextureChanges = false;
}
if (colorBufferView->baseTexture->swizzle != colorBufferSwizzle)
{
colorBufferView->baseTexture->lastRenderTargetSwizzle = colorBufferSwizzle;
}
// check for texture changes
if (checkForTextureChanges)
LatteTexture_UpdateDataToLatest(colorBufferView->baseTexture);
// mark as used
LatteTC_MarkTextureStillInUse(colorBufferView->baseTexture);
return colorBufferView;
}
// get mask of all used color buffers
uint8 LatteMRT::GetActiveColorBufferMask(const LatteDecompilerShader* pixelShader, const LatteContextRegister& lcr)
{
const uint32* regView = lcr.GetRawView();
uint8 colorBufferMask = 0;
for (uint32 i = 0; i < 8; i++)
{
if (regView[mmCB_COLOR0_BASE + i] != MPTR_NULL)
colorBufferMask |= (1 << i);
}
// check if color buffer output is active
const Latte::LATTE_CB_COLOR_CONTROL& colorControlReg = lcr.CB_COLOR_CONTROL;
uint32 colorBufferDisable = colorControlReg.get_SPECIAL_OP() == Latte::LATTE_CB_COLOR_CONTROL::E_SPECIALOP::DISABLE;
if (colorBufferDisable)
return 0;
cemu_assert_debug(colorControlReg.get_DEGAMMA_ENABLE() == false); // not supported
// combine color buffer mask with pixel output mask from pixel shader
colorBufferMask &= (pixelShader ? pixelShader->pixelColorOutputMask : 0);
// combine color buffer mask with color channel mask from mmCB_TARGET_MASK (disable render buffer if all colors are blocked)
uint32 channelTargetMask = lcr.CB_TARGET_MASK.get_MASK();
for (uint32 i = 0; i < 8; i++)
{
if (((channelTargetMask >> (i * 4)) & 0xF) == 0)
colorBufferMask &= ~(1 << i);
}
// render targets smaller than the scissor size are not allowed
// this fixes a few render issues in Cemu but we dont know if this matches HW behavior
cemu_assert_debug(lcr.PA_SC_GENERIC_SCISSOR_TL.get_WINDOW_OFFSET_DISABLE() == true); // todo (not exposed by GX2 API)
uint32 scissorAccessWidth = lcr.PA_SC_GENERIC_SCISSOR_BR.get_BR_X();
uint32 scissorAccessHeight = lcr.PA_SC_GENERIC_SCISSOR_BR.get_BR_Y();
for (uint32 i = 0; i < 8; i++)
{
if( (colorBufferMask&(1<<i)) == 0 )
continue;
// get width/height
uint32 regColorSize = regView[mmCB_COLOR0_SIZE + i];
uint32 regColorInfo = regView[mmCB_COLOR0_INFO + i];
// decode color buffer reg info
uint32 colorBufferPitch = (((regColorSize >> 0) & 0x3FF) + 1);
colorBufferPitch <<= 3;
uint32 pitchHeight = (((regColorSize >> 10) & 0xFFFFF) + 1);
pitchHeight <<= 6;
uint32 colorBufferHeight = pitchHeight / colorBufferPitch;
uint32 colorBufferWidth = colorBufferPitch;
if ((colorBufferWidth < (sint32)scissorAccessWidth) ||
(colorBufferHeight < (sint32)scissorAccessHeight))
{
// log this?
colorBufferMask &= ~(1<<i);
}
}
return colorBufferMask;
}
// returns true if depth/stencil buffer is used
bool LatteMRT::GetActiveDepthBufferMask(const LatteContextRegister& lcr)
{
bool depthBufferMask = true;
// if depth test is not used then detach the depth buffer
bool depthEnable = lcr.DB_DEPTH_CONTROL.get_Z_ENABLE();
bool stencilTestEnable = lcr.DB_DEPTH_CONTROL.get_STENCIL_ENABLE();
bool backStencilEnable = lcr.DB_DEPTH_CONTROL.get_BACK_STENCIL_ENABLE();
if (!depthEnable && !stencilTestEnable && !backStencilEnable)
depthBufferMask = false;
return depthBufferMask;
}
const uint32 _colorBufferFormatBits[] =
{
0, // 0
0x200, // 1
0, // 2
0, // 3
0x100, // 4
0x300, // 5
0x400, // 6
0x800, // 7
};
Latte::E_GX2SURFFMT LatteMRT::GetColorBufferFormat(const uint32 index, const LatteContextRegister& lcr)
{
cemu_assert_debug(index < Latte::GPU_LIMITS::NUM_COLOR_ATTACHMENTS);
uint32 regColorInfo = lcr.GetRawView()[mmCB_COLOR0_INFO + index];
uint32 colorBufferFormat = (regColorInfo >> 2) & 0x3F; // base HW format
uint32 numberType = (regColorInfo >> 12) & 7;
colorBufferFormat |= _colorBufferFormatBits[numberType];
return (Latte::E_GX2SURFFMT)colorBufferFormat;
}
// return GX2 format of current depth buffer
Latte::E_GX2SURFFMT LatteMRT::GetDepthBufferFormat(const LatteContextRegister& lcr)
{
uint32 regDepthBufferInfo = lcr.GetRawView()[mmDB_DEPTH_INFO];
switch (regDepthBufferInfo & 7)
{
case 1:
return Latte::E_GX2SURFFMT::D16_UNORM;
case 3:
return Latte::E_GX2SURFFMT::D24_S8_UNORM;
case 5:
return Latte::E_GX2SURFFMT::D24_S8_FLOAT;
case 6:
return Latte::E_GX2SURFFMT::D32_FLOAT;
case 7:
return Latte::E_GX2SURFFMT::D32_S8_FLOAT;
default:
debug_printf("Invalid DB_DEPTH_INFO depthbuffer format (%d)\n", (regDepthBufferInfo & 7));
break;
}
return Latte::E_GX2SURFFMT::D16_UNORM;
}
bool LatteMRT::UpdateCurrentFBO()
{
catchOpenGLError();
sLatteRenderTargetState.rtUpdateListCount = 0;
// combine color buffer mask with pixel output mask from pixel shader
LatteDecompilerShader* pixelShader = LatteSHRC_GetActivePixelShader();
uint8 colorBufferMask = GetActiveColorBufferMask(pixelShader, LatteGPUState.contextNew);
bool depthBufferMask = GetActiveDepthBufferMask(LatteGPUState.contextNew);
// if depth test is not used then detach the depth buffer
bool depthEnable = LatteGPUState.contextNew.DB_DEPTH_CONTROL.get_Z_ENABLE();
bool stencilTestEnable = LatteGPUState.contextNew.DB_DEPTH_CONTROL.get_STENCIL_ENABLE();
bool backStencilEnable = LatteGPUState.contextNew.DB_DEPTH_CONTROL.get_BACK_STENCIL_ENABLE();
if (!depthEnable && !stencilTestEnable && !backStencilEnable)
depthBufferMask = false;
bool hasResizedTexture = false; // set to true if any of the color buffers or the depth buffer reference a resized texture (via graphic pack texture rules)
sLatteRenderTargetState.renderTargetIsResized = false;
// real size
LatteMRTQuad* rtRealSize = &sLatteRenderTargetState.currentRenderSize;
rtRealSize->width = 0;
rtRealSize->height = 0;
// effective size (differs from real size only if graphic pack rules overwrite texture sizes)
LatteMRTQuad* rtEffectiveSize = &sLatteRenderTargetState.currentEffectiveSize;
rtEffectiveSize->width = 0;
rtEffectiveSize->height = 0;
// get scissor box
cemu_assert_debug(LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_TL.get_WINDOW_OFFSET_DISABLE() == true); // todo (not exposed by GX2 API?)
uint32 scissorX = LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_TL.get_TL_X();
uint32 scissorY = LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_TL.get_TL_Y();
uint32 scissorWidth = LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_BR.get_BR_X() - scissorX;
uint32 scissorHeight = LatteGPUState.contextNew.PA_SC_GENERIC_SCISSOR_BR.get_BR_Y() - scissorY;
uint32 scissorAccessWidth = scissorX + scissorWidth;
uint32 scissorAccessHeight = scissorY + scissorHeight;
// color buffers
for (uint32 i = 0; i < Latte::GPU_LIMITS::NUM_COLOR_ATTACHMENTS; i++)
{
if (((colorBufferMask)&(1 << i)) == 0)
{
// unbind
SetColorAttachment(i, nullptr);
continue;
}
LatteTextureView* colorAttachmentView = GetColorAttachmentTexture(i, true, true);
SetColorAttachment(i, colorAttachmentView);
// after the drawcall mark the texture as updated
sLatteRenderTargetState.rtUpdateList[sLatteRenderTargetState.rtUpdateListCount] = colorAttachmentView;
sLatteRenderTargetState.rtUpdateListCount++;
sint32 colorAttachmentWidth, colorAttachmentHeight;
colorAttachmentView->baseTexture->GetSize(colorAttachmentWidth, colorAttachmentHeight, colorAttachmentView->firstMip);
// set effective size
sint32 effectiveWidth, effectiveHeight;
colorAttachmentView->baseTexture->GetEffectiveSize(effectiveWidth, effectiveHeight, colorAttachmentView->firstMip);
if (rtEffectiveSize->width == 0 && rtEffectiveSize->height == 0)
{
rtEffectiveSize->width = effectiveWidth;
rtEffectiveSize->height = effectiveHeight;
}
else if (rtEffectiveSize->width != effectiveWidth && rtEffectiveSize->height != effectiveHeight)
{
cemuLog_logDebug(LogType::Force, "Color buffer size mismatch ({}x{}). Effective size: {}x{} Real size: {}x{} Mismatching texture: {:08x} {}x{} fmt {:04x}", rtEffectiveSize->width, rtEffectiveSize->height, effectiveWidth, effectiveHeight, colorAttachmentView->baseTexture->width, colorAttachmentView->baseTexture->height, colorAttachmentView->baseTexture->physAddress, colorAttachmentView->baseTexture->width, colorAttachmentView->baseTexture->height, (uint32)colorAttachmentView->baseTexture->format);
}
// currently the first color attachment defines the size of the current render target
if (rtRealSize->width == 0 && rtRealSize->height == 0)
{
rtRealSize->width = colorAttachmentWidth;
rtRealSize->height = colorAttachmentHeight;
}
if (colorAttachmentView)
continue;
}
// depth buffer
if (depthBufferMask)
{
uint32 regDepthBuffer = LatteGPUState.contextRegister[mmDB_HTILE_DATA_BASE];
uint32 regDepthSize = LatteGPUState.contextRegister[mmDB_DEPTH_SIZE];
uint32 regDepthBufferInfo = LatteGPUState.contextRegister[mmDB_DEPTH_INFO];
// get format and tileMode from info reg
Latte::E_GX2SURFFMT depthBufferFormat = GetDepthBufferFormat(LatteGPUState.contextNew);
Latte::E_HWTILEMODE depthBufferTileMode = (Latte::E_HWTILEMODE)((regDepthBufferInfo >> 15) & 0xF);
MPTR depthBufferPhysMem = regDepthBuffer << 8;
uint32 depthBufferPitch = (((regDepthSize >> 0) & 0x3FF) + 1);
uint32 depthBufferHeight = ((((regDepthSize >> 10) & 0xFFFFF) + 1) / depthBufferPitch);
depthBufferPitch <<= 3;
depthBufferHeight <<= 3;
uint32 depthBufferWidth = depthBufferPitch;
if (depthBufferWidth < 2)
{
debug_printf("depthBufferWidth has invalid value %d\n", depthBufferWidth);
depthBufferWidth = 2;
}
if (depthBufferHeight < 2)
{
debug_printf("depthBufferHeight has invalid value %d\n", depthBufferHeight);
depthBufferHeight = 2;
}
bool blockDepthBuffer = false;
if (scissorAccessWidth > depthBufferPitch || scissorAccessHeight > depthBufferHeight)
{
SetDepthAndStencilAttachment(nullptr, false);
blockDepthBuffer = true;
// set effective size
if( rtEffectiveSize->width == 0 && rtEffectiveSize->height == 0 )
{
rtEffectiveSize->width = rtRealSize->width;
rtEffectiveSize->height = rtRealSize->height;
}
}
if (blockDepthBuffer == false)
{
if (rtRealSize->width == 0)
{
rtRealSize->width = depthBufferWidth;
rtRealSize->height = depthBufferHeight;
}
uint32 regDepthView = LatteGPUState.contextRegister[mmDB_DEPTH_VIEW];
uint32 depthBufferViewFirstSlice = (regDepthView & 0x7FF);
uint32 depthBufferViewNumSlices = ((regDepthView >> 13) & 0x7FF) - depthBufferViewFirstSlice + 1;
cemu_assert_debug(depthBufferViewNumSlices == 1); // binding multiple layers makes no sense?
uint32 depthBufferSwizzle = 0;
if (Latte::TM_IsMacroTiled(depthBufferTileMode))
{
depthBufferSwizzle = (depthBufferPhysMem >> 8) & 7;
depthBufferPhysMem = depthBufferPhysMem & ~(7 << 8);
}
if (depthBufferPhysMem != MPTR_NULL)
{
LatteTextureView* depthBufferView = LatteTextureViewLookupCache::lookupSliceEx(depthBufferPhysMem, depthBufferWidth, depthBufferHeight, depthBufferPitch, 0, depthBufferViewFirstSlice, depthBufferFormat, true);
if (!depthBufferView)
{
// create new depth buffer view and if it doesn't exist then also create the texture
depthBufferView = LatteTexture_CreateMapping(depthBufferPhysMem, 0, depthBufferWidth, depthBufferHeight, depthBufferViewFirstSlice+1, depthBufferPitch, depthBufferTileMode, depthBufferSwizzle, 0, 1, depthBufferViewFirstSlice, 1, depthBufferFormat, depthBufferViewFirstSlice > 0 ? Latte::E_DIM::DIM_2D_ARRAY : Latte::E_DIM::DIM_2D, Latte::E_DIM::DIM_2D, true, true);
LatteGPUState.repeatTextureInitialization = true;
}
else
{
// check for texture changes
LatteTexture_UpdateDataToLatest(depthBufferView->baseTexture);
}
// set effective size
sint32 effectiveWidth, effectiveHeight;
depthBufferView->baseTexture->GetEffectiveSize(effectiveWidth, effectiveHeight, depthBufferView->firstMip);
if (rtEffectiveSize->width == 0 && rtEffectiveSize->height == 0)
{
rtEffectiveSize->width = effectiveWidth;
rtEffectiveSize->height = effectiveHeight;
}
else if (rtEffectiveSize->width > effectiveWidth && rtEffectiveSize->height > effectiveHeight)
{
if (_depthBufferSizeWarningCount < 100)
{
cemuLog_logDebug(LogType::Force, "Depth buffer size too small. Effective size: {}x{} Real size: {}x{} Mismatching texture: {:08x} {}x{} fmt {:04x}", effectiveWidth, effectiveHeight, depthBufferView->baseTexture->width, depthBufferView->baseTexture->height, depthBufferView->baseTexture->physAddress, depthBufferView->baseTexture->width, depthBufferView->baseTexture->height, (uint32)depthBufferView->baseTexture->format);
_depthBufferSizeWarningCount++;
}
}
LatteTC_MarkTextureStillInUse(depthBufferView->baseTexture);
// after the drawcall mark the texture as updated
sLatteRenderTargetState.rtUpdateList[sLatteRenderTargetState.rtUpdateListCount] = depthBufferView;
sLatteRenderTargetState.rtUpdateListCount++;
SetDepthAndStencilAttachment(depthBufferView, depthBufferView->baseTexture->hasStencil);
}
}
else
{
SetDepthAndStencilAttachment(nullptr, false);
}
}
else
{
SetDepthAndStencilAttachment(nullptr, false);
}
catchOpenGLError();
if (colorBufferMask || depthBufferMask)
{
hasValidFramebufferAttached = true;
}
else
{
hasValidFramebufferAttached = false;
return true;
}
if( rtEffectiveSize->width != rtRealSize->width || rtEffectiveSize->height != rtRealSize->height )
{
//debug_printf("RenderTarget rescaled. Real: %dx%d Resized: %dx%d\n", rtRealSize->width, rtRealSize->height, rtEffectiveSize->width, rtEffectiveSize->height);
sLatteRenderTargetState.renderTargetIsResized = true;
}
if (sLatteRenderTargetState.currentEffectiveSize.width == 0)
{
debug_printf("Render target effective size is 0. May indicate a bug in Cemu or invalid color/depth buffers\n");
return false;
}
return true;
}
// return a vec4 with xy being the scale ratio for render target extend and zw being the virtual viewport dimensions
void LatteMRT::GetCurrentFragCoordScale(float* coordScale)
{
if (sLatteRenderTargetState.renderTargetIsResized)
{
coordScale[0] = (float)sLatteRenderTargetState.currentRenderSize.width / (float)sLatteRenderTargetState.currentEffectiveSize.width;
coordScale[1] = (float)sLatteRenderTargetState.currentRenderSize.height / (float)sLatteRenderTargetState.currentEffectiveSize.height;
coordScale[2] = sLatteRenderTargetState.currentGuestViewport.width;
coordScale[3] = sLatteRenderTargetState.currentGuestViewport.height;
}
else
{
coordScale[0] = 1.0f;
coordScale[1] = 1.0f;
coordScale[2] = sLatteRenderTargetState.currentGuestViewport.width;
coordScale[3] = sLatteRenderTargetState.currentGuestViewport.height;
}
}
void LatteMRT::GetVirtualViewportDimensions(sint32& width, sint32& height)
{
width = sLatteRenderTargetState.currentGuestViewport.width;
height = sLatteRenderTargetState.currentGuestViewport.height;
}
// flag all FBO textures as updated via GPU
// also handle texture readback
void LatteRenderTarget_trackUpdates()
{
// after the drawcall, mark the render target textures as dynamically updated
uint64 eventCounter = LatteTexture_getNextUpdateEventCounter();
for (sint32 i = 0; i < sLatteRenderTargetState.rtUpdateListCount; i++)
{
LatteTextureView* texView = sLatteRenderTargetState.rtUpdateList[i];
LatteTexture* baseTexture = texView->baseTexture;
LatteTexture_TrackTextureGPUWrite(baseTexture, texView->firstSlice, texView->firstMip, eventCounter);
// texture readback
if (baseTexture->enableReadback)
{
LatteTextureReadback_Initate(texView);
}
}
}
void LatteRenderTarget_itHLESwapScanBuffer()
{
performanceMonitor.cycle[performanceMonitor.cycleIndex].frameCounter++;
if(LatteGPUState.frameCounter > 5)
performanceMonitor.gpuTime_frameTime.endMeasuring();
LattePerformanceMonitor_frameEnd();
LatteGPUState.frameCounter++;
g_renderer->SwapBuffers(true, true);
catchOpenGLError();
performanceMonitor.gpuTime_frameTime.beginMeasuring();
LatteTC_CleanupUnusedTextures();
LatteDraw_cleanupAfterFrame();
LatteQuery_CancelActiveGPU7Queries();
LatteBufferCache_notifySwapTVScanBuffer();
LattePerformanceMonitor_frameBegin();
}
void LatteRenderTarget_applyTextureColorClear(LatteTexture* texture, uint32 sliceIndex, uint32 mipIndex, float r, float g, float b, float a, uint64 eventCounter)
{
if (texture->isDepth)
{
cemuLog_logDebug(LogType::Force, "Unsupported clear depth as color");
}
else
{
g_renderer->texture_clearColorSlice(texture, sliceIndex, mipIndex, r, g, b, a);
LatteTexture_MarkDynamicTextureAsChanged(texture->baseView, sliceIndex, mipIndex, eventCounter);
}
}
void LatteRenderTarget_applyTextureDepthClear(LatteTexture* texture, uint32 sliceIndex, uint32 mipIndex, bool hasDepthClear, bool hasStencilClear, float depthValue, uint8 stencilValue, uint64 eventCounter)
{
if(texture->isDepth)
{
g_renderer->texture_clearDepthSlice(texture, sliceIndex, mipIndex, hasDepthClear, hasStencilClear, depthValue, stencilValue);
}
else
{
// clearing a color texture using depth clear
if (hasStencilClear)
return; // operation likely not intended as a color clear
//cemu_assert_debug(!hasStencilClear);
if (hasDepthClear)
{
g_renderer->texture_clearColorSlice(texture, sliceIndex, mipIndex, depthValue, depthValue, depthValue, depthValue);
}
}
LatteTexture_MarkDynamicTextureAsChanged(texture->baseView, sliceIndex, mipIndex, eventCounter);
}
void LatteRenderTarget_itHLEClearColorDepthStencil(uint32 clearMask,
MPTR colorBufferMPTR, Latte::E_GX2SURFFMT colorBufferFormat, Latte::E_HWTILEMODE colorBufferTilemode, uint32 colorBufferWidth, uint32 colorBufferHeight, uint32 colorBufferPitch, uint32 colorBufferViewFirstSlice, uint32 colorBufferViewNumSlice,
MPTR depthBufferMPTR, Latte::E_GX2SURFFMT depthBufferFormat, Latte::E_HWTILEMODE depthBufferTileMode, sint32 depthBufferWidth, sint32 depthBufferHeight, sint32 depthBufferPitch, sint32 depthBufferViewFirstSlice, sint32 depthBufferViewNumSlice,
float r, float g, float b, float a, float clearDepth, uint32 clearStencil)
{
uint32 depthBufferMipIndex = 0; // todo
uint32 colorBufferMipIndex = 0; // todo
bool hasColorClear = (clearMask & 1);
bool hasDepthClear = (clearMask & 2);
bool hasStencilClear = (clearMask & 4);
// extract swizzle offset from pointer
uint32 colorBufferSwizzle = 0;
uint32 depthBufferSwizzle = 0;
if (Latte::TM_IsMacroTiled(colorBufferTilemode))
{
colorBufferSwizzle = (colorBufferMPTR >> 8) & 7;
colorBufferMPTR = colorBufferMPTR & ~(7 << 8);
}
if (Latte::TM_IsMacroTiled(depthBufferTileMode))
{
depthBufferSwizzle = (depthBufferMPTR >> 8) & 7;
depthBufferMPTR = depthBufferMPTR & ~(7 << 8);
}
cemu_assert_debug(colorBufferViewNumSlice <= 1);
cemu_assert_debug(depthBufferViewNumSlice <= 1);
// clear color buffer (if flag set)
uint64 eventCounter = LatteTexture_getNextUpdateEventCounter();
if ((clearMask & 1) != 0 && colorBufferMPTR != MPTR_NULL && colorBufferWidth > 0 && colorBufferHeight > 0)
{
// clear color
sint32 searchIndex = 0;
bool targetFound = false;
while (true)
{
LatteTextureView* colorView = LatteTC_LookupTextureByData(colorBufferMPTR, colorBufferWidth, colorBufferHeight, colorBufferPitch, 0, 1, colorBufferViewFirstSlice, 1, &searchIndex);
if (!colorView)
break;
if (Latte::GetFormatBits(colorBufferFormat) != Latte::GetFormatBits(colorView->baseTexture->format))
continue;
if (colorView->baseTexture->pitch == colorBufferPitch && colorView->baseTexture->height == colorBufferHeight)
targetFound = true;
LatteRenderTarget_applyTextureColorClear(colorView->baseTexture, colorBufferViewFirstSlice, colorBufferMipIndex, r, g, b, a, eventCounter);
}
if (targetFound == false)
{
// create new texture with matching format
cemu_assert_debug(colorBufferViewNumSlice <= 1);
LatteTextureView* newColorView = LatteTexture_CreateMapping(colorBufferMPTR, MPTR_NULL, colorBufferWidth, colorBufferHeight, colorBufferViewFirstSlice+1, colorBufferPitch, colorBufferTilemode, colorBufferSwizzle, 0, 1, colorBufferViewFirstSlice, 1, colorBufferFormat, colorBufferViewFirstSlice > 0 ? Latte::E_DIM::DIM_2D_ARRAY : Latte::E_DIM::DIM_2D, Latte::E_DIM::DIM_2D, false);
LatteRenderTarget_applyTextureColorClear(newColorView->baseTexture, colorBufferViewFirstSlice, colorBufferMipIndex, r, g, b, a, eventCounter);
}
}
// clear depth or stencil buffer (if flag set)
if ((hasDepthClear || hasStencilClear) && depthBufferMPTR != MPTR_NULL)
{
std::vector<LatteTexture*> list_depthClearTextures;
LatteTC_LookupTexturesByPhysAddr(depthBufferMPTR, list_depthClearTextures);
bool foundMatchingDepthBuffer = false;
// todo - support for clearing depth mips?
cemu_assert_debug(depthBufferViewNumSlice == 1);
for (auto& texItr : list_depthClearTextures)
{
// only clear depth buffers if they are smaller
if (texItr->pitch > depthBufferPitch)
continue;
if (depthBufferViewFirstSlice >= texItr->depth)
continue; // slice out of range
if (texItr->pitch == depthBufferPitch && texItr->height == depthBufferHeight)
foundMatchingDepthBuffer = true;
// todo - calculate actual sliceIndex and mipIndex since the textures in list_depthClearTextures dont necessarily share the same base
LatteRenderTarget_applyTextureDepthClear(texItr, depthBufferViewFirstSlice, depthBufferMipIndex, hasDepthClear, hasStencilClear, clearDepth, clearStencil, eventCounter);
}
if (foundMatchingDepthBuffer == false)
{
LatteTextureView* newDepthBufferView = LatteMRT_CreateDepthBuffer(depthBufferMPTR, depthBufferWidth, depthBufferHeight, depthBufferPitch, depthBufferTileMode, (Latte::E_GX2SURFFMT)depthBufferFormat, depthBufferSwizzle, depthBufferViewFirstSlice);
LatteRenderTarget_applyTextureDepthClear(newDepthBufferView->baseTexture, depthBufferViewFirstSlice, depthBufferMipIndex, hasDepthClear, hasStencilClear, clearDepth, clearStencil, eventCounter);
}
}
}
sint32 _currentOutputImageWidth = 0;
sint32 _currentOutputImageHeight = 0;
void LatteRenderTarget_getScreenImageArea(sint32* x, sint32* y, sint32* width, sint32* height, sint32* fullWidth, sint32* fullHeight, bool padView)
{
int w, h;
if(padView && gui_isPadWindowOpen())
gui_getPadWindowPhysSize(w, h);
else
gui_getWindowPhysSize(w, h);
sint32 scaledOutputX;
sint32 scaledOutputY;
if (GetConfig().fullscreen_scaling == kKeepAspectRatio)
{
// calculate maximum possible resolution with intact aspect ratio
scaledOutputX = w;
scaledOutputY = _currentOutputImageHeight * w / std::max(_currentOutputImageWidth, 1);
if (scaledOutputY > h)
{
scaledOutputX = _currentOutputImageWidth * h / std::max(_currentOutputImageHeight, 1);
scaledOutputY = h;
}
}
else
{
scaledOutputX = w;
scaledOutputY = h;
}
*x = (w - scaledOutputX) / 2;
*y = (h - scaledOutputY) / 2;
*width = scaledOutputX;
*height = scaledOutputY;
if (fullWidth)
*fullWidth = w;
if (fullHeight)
*fullHeight = h;
}
void LatteRenderTarget_copyToBackbuffer(LatteTextureView* textureView, bool isPadView)
{
// make sure texture is updated to latest data in cache
LatteTexture_UpdateDataToLatest(textureView->baseTexture);
// mark source texture as still in use
LatteTC_MarkTextureStillInUse(textureView->baseTexture);
sint32 effectiveWidth, effectiveHeight;
textureView->baseTexture->GetEffectiveSize(effectiveWidth, effectiveHeight, 0);
_currentOutputImageWidth = effectiveWidth;
_currentOutputImageHeight = effectiveHeight;
sint32 imageX, imageY;
sint32 imageWidth, imageHeight;
sint32 fullscreenWidth, fullscreenHeight;
LatteRenderTarget_getScreenImageArea(&imageX, &imageY, &imageWidth, &imageHeight, &fullscreenWidth, &fullscreenHeight, isPadView);
bool clearBackground = false;
if (imageWidth != fullscreenWidth || imageHeight != fullscreenHeight)
clearBackground = true;
const bool renderUpsideDown = ActiveSettings::RenderUpsideDownEnabled();
// force disable bicubic scaling if output resolution is equal/smaller than input resolution
const bool downscaling = (imageWidth <= effectiveWidth || imageHeight <= effectiveHeight);
// check for graphic pack shaders
RendererOutputShader* shader = nullptr;
LatteTextureView::MagFilter filter = LatteTextureView::MagFilter::kLinear;
for(const auto& gp : GraphicPack2::GetActiveGraphicPacks())
{
if(downscaling)
{
shader = gp->GetDownscalingShader(renderUpsideDown);
if (shader)
{
filter = gp->GetDownscalingMagFilter();
break;
}
}
else
{
shader = gp->GetUpscalingShader(renderUpsideDown);
if (shader)
{
filter = gp->GetUpscalingMagFilter();
break;
}
}
shader = gp->GetOuputShader(renderUpsideDown);
if (shader)
{
filter = downscaling ? gp->GetDownscalingMagFilter() : gp->GetUpscalingMagFilter();
break;
}
}
if (shader == nullptr)
{
sint32 scaling_filter = downscaling ? GetConfig().downscale_filter : GetConfig().upscale_filter;
if (g_renderer->GetType() == RendererAPI::Vulkan)
{
// force linear or nearest neighbor filter
if(scaling_filter != kLinearFilter && scaling_filter != kNearestNeighborFilter)
scaling_filter = kLinearFilter;
}
if (scaling_filter == kLinearFilter)
{
if(renderUpsideDown)
shader = RendererOutputShader::s_copy_shader_ud;
else
shader = RendererOutputShader::s_copy_shader;
filter = LatteTextureView::MagFilter::kLinear;
}
else if (scaling_filter == kBicubicFilter)
{
if (renderUpsideDown)
shader = RendererOutputShader::s_bicubic_shader_ud;
else
shader = RendererOutputShader::s_bicubic_shader;
filter = LatteTextureView::MagFilter::kNearestNeighbor;
}
else if (scaling_filter == kBicubicHermiteFilter)
{
if (renderUpsideDown)
shader = RendererOutputShader::s_hermit_shader_ud;
else
shader = RendererOutputShader::s_hermit_shader;
filter = LatteTextureView::MagFilter::kLinear;
}
else if (scaling_filter == kNearestNeighborFilter)
{
if (renderUpsideDown)
shader = RendererOutputShader::s_copy_shader_ud;
else
shader = RendererOutputShader::s_copy_shader;
filter = LatteTextureView::MagFilter::kNearestNeighbor;
}
}
cemu_assert(shader);
g_renderer->DrawBackbufferQuad(textureView, shader, filter==LatteTextureView::MagFilter::kLinear, imageX, imageY, imageWidth, imageHeight, isPadView, clearBackground);
g_renderer->HandleScreenshotRequest(textureView, isPadView);
if (!g_renderer->ImguiBegin(!isPadView))
return;
swkbd_render(!isPadView);
nn::erreula::render(!isPadView);
LatteOverlay_render(isPadView);
g_renderer->ImguiEnd();
}
bool ctrlTabHotkeyPressed = false;
void LatteRenderTarget_itHLECopyColorBufferToScanBuffer(MPTR colorBufferPtr, uint32 colorBufferWidth, uint32 colorBufferHeight, uint32 colorBufferSliceIndex, uint32 colorBufferFormat, uint32 colorBufferPitch, Latte::E_HWTILEMODE colorBufferTilemode, uint32 colorBufferSwizzle, uint32 renderTarget)
{
cemu_assert_debug(colorBufferSliceIndex == 0); // todo - support for non-zero slice
LatteTextureView* texView = LatteTC_GetTextureSliceViewOrTryCreate(colorBufferPtr, MPTR_NULL, (Latte::E_GX2SURFFMT)colorBufferFormat, colorBufferTilemode, colorBufferWidth, colorBufferHeight, 1, colorBufferPitch, colorBufferSwizzle, 0, 0, true);
if (!texView)
{
return;