mirror of
https://github.com/Cesarus85/ringfall-mjolnir-vr.git
synced 2026-10-26 20:01:13 +01:00
382 lines
14 KiB
C++
382 lines
14 KiB
C++
/* January anti-alias presentation reconstruction. Related state-management
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* reference: Team-Resurgent/RXDK-Libs, GPL-3.0-or-later, pinned in provenance.
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* The older AntiAliased* ABI and behavior here come from the supplied target.
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* Copyright (C) 2026 Team Resurgent; SPDX-License-Identifier: GPL-3.0-or-later */
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#define D3DCOMPILE_NOTINLINE 1
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#include "present_internal.h"
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#include "draw_internal.h"
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#include "push_internal.h"
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#include "pixeljar.h"
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#include "vshader_internal.h"
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#include "state_internal.h"
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#include "pusher_state.h"
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#include "display_internal.h"
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#include "kernel_memory.h"
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#pragma code_seg("D3D")
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#pragma const_seg("D3D_RD")
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namespace D3D
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{
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DWORD g_FlipAddress;
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static const float KELVIN_BORDER = 0.53125f;
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const DWORD g_AntiAliasedRenderStates[] =
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{
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D3DRS_FILLMODE, D3DFILL_SOLID,
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D3DRS_BACKFILLMODE, D3DFILL_SOLID,
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D3DRS_CULLMODE, D3DCULL_NONE,
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D3DRS_DITHERENABLE, TRUE,
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D3DRS_ALPHATESTENABLE, FALSE,
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D3DRS_ALPHABLENDENABLE, FALSE,
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D3DRS_FOGENABLE, FALSE,
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D3DRS_EDGEANTIALIAS, FALSE,
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D3DRS_STENCILENABLE, FALSE,
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D3DRS_LIGHTING, FALSE,
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D3DRS_MULTISAMPLEMASK, 0xffffffffUL,
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D3DRS_LOGICOP, D3DLOGICOP_NONE,
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D3DRS_COLORWRITEENABLE, D3DCOLORWRITEENABLE_ALL,
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D3DRS_YUVENABLE, FALSE,
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D3DRS_SPECULARENABLE, FALSE,
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D3DRS_ZBIAS, 0,
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};
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const DWORD g_AntiAliasedTextureStates[] =
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{
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D3DTSS_COLOROP, D3DTOP_SELECTARG1,
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D3DTSS_COLORARG1, D3DTA_TEXTURE,
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D3DTSS_ALPHAOP, D3DTOP_DISABLE,
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D3DTSS_TEXCOORDINDEX, 0,
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D3DTSS_ADDRESSU, D3DTADDRESS_CLAMP,
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D3DTSS_ADDRESSV, D3DTADDRESS_CLAMP,
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D3DTSS_COLORKEYOP, D3DTCOLORKEYOP_DISABLE,
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D3DTSS_COLORSIGN, 0,
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D3DTSS_ALPHAKILL, D3DTALPHAKILL_DISABLE,
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D3DTSS_MINFILTER, D3DTEXF_LINEAR,
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D3DTSS_MAGFILTER, D3DTEXF_LINEAR,
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};
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void WINAPI AntiAliasedSetState(
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AntiAliasedSavedState *saved,
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D3DSurface *destination,
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D3DSurface *source,
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DWORD filter)
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{
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DWORD i;
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CDevice *device = g_pDevice;
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for (i = 0; i < 16; ++i)
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{
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device->SetRenderState((D3DRENDERSTATETYPE)g_AntiAliasedRenderStates[2 * i],
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g_AntiAliasedRenderStates[2 * i + 1]);
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}
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for (i = 0; i < 11; ++i)
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{
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device->SetTextureStageState(0, (D3DTEXTURESTAGESTATETYPE)g_AntiAliasedTextureStates[2 * i],
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g_AntiAliasedTextureStates[2 * i + 1]);
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}
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device->SetPixelShader(0);
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device->SetVertexShader(D3DFVF_XYZRHW | D3DFVF_TEX1);
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device->SetRenderTarget(destination, NULL);
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device->SetTextureStageState(0, D3DTSS_MINFILTER, filter);
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device->SetTextureStageState(0, D3DTSS_MAGFILTER, filter);
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device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
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/* Copy the common pixel-container representation, not a fictional derived
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* texture object at the surface address. The temporary stays live through
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* restoration; only the resource type bits are replaced. */
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memcpy(&saved->SrcTexture, source, sizeof(saved->SrcTexture));
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saved->SrcTexture.Common = (saved->SrcTexture.Common & ~D3DCOMMON_TYPE_MASK)
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| D3DCOMMON_TYPE_TEXTURE;
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device->SetTexture(0, &saved->SrcTexture);
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SetState();
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return;
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}
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void WINAPI AntiAliasedSaveState(
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AntiAliasedSavedState *saved)
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{
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CDevice *device = g_pDevice;
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DWORD i;
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saved->pRenderTarget = device->m_pRenderTarget;
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saved->pRenderTarget->AddRef();
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saved->pZBuffer = device->m_pZBuffer;
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if (saved->pZBuffer) saved->pZBuffer->AddRef();
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saved->pTexture = device->m_Textures[0];
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if (saved->pTexture) saved->pTexture->AddRef();
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saved->pPixelShader = device->m_pPixelShader;
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saved->VertexShaderHandle = device->m_VertexShaderHandle;
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saved->Viewport = device->m_Viewport;
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saved->Stage1ColorOp = D3D__TextureState[1][D3DTSS_COLOROP];
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for (i = 0; i < 16; ++i)
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{
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saved->RenderState[i] = D3D__RenderState[g_AntiAliasedRenderStates[2 * i]];
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}
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for (i = 0; i < 11; ++i)
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{
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saved->TextureState[i] = D3D__TextureState[0][g_AntiAliasedTextureStates[2 * i]];
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}
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if (saved->pPixelShader)
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{
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for (i = D3DRS_PS_MIN; i < D3DRS_PS_MAX; ++i)
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saved->PixelShaderState[i - D3DRS_PS_MIN] = D3D__RenderState[i];
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saved->PSTextureModes = D3D__RenderState[D3DRS_PSTEXTUREMODES];
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}
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memcpy(saved->VertexShaders, device->m_VertexShaderProgramSlots, sizeof(saved->VertexShaders));
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return;
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}
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void WINAPI AntiAliasedRestoreState(
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AntiAliasedSavedState *saved)
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{
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CDevice *device = g_pDevice;
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DWORD i;
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device->SetRenderTarget(saved->pRenderTarget, saved->pZBuffer);
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saved->pRenderTarget->Release();
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if (saved->pZBuffer) saved->pZBuffer->Release();
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device->SetTexture(0, saved->pTexture);
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if (saved->pTexture) saved->pTexture->Release();
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device->SetPixelShader((DWORD)saved->pPixelShader);
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device->SetVertexShader(saved->VertexShaderHandle);
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device->SetViewport(&saved->Viewport);
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BOOL shadowed = !(device->m_StateFlags & 0x10);
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device->SetTextureStageState(1, D3DTSS_COLOROP, saved->Stage1ColorOp);
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for (i = 0; i < 16; ++i)
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{
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if (shadowed || g_AntiAliasedRenderStates[2 * i] >= D3DRS_SIMPLE_MAX)
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device->SetRenderState((D3DRENDERSTATETYPE)g_AntiAliasedRenderStates[2 * i], saved->RenderState[i]);
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}
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for (i = 0; i < 11; ++i)
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device->SetTextureStageState(0, (D3DTEXTURESTAGESTATETYPE)g_AntiAliasedTextureStates[2 * i], saved->TextureState[i]);
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if (shadowed)
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{
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if (saved->pPixelShader)
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{
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for (i = D3DRS_PS_MIN; i < D3DRS_PS_MAX; ++i)
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device->SetRenderState((D3DRENDERSTATETYPE)i, saved->PixelShaderState[i - D3DRS_PS_MIN]);
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device->SetRenderState(D3DRS_PSTEXTUREMODES, saved->PSTextureModes);
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}
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RestoreVertexShaders(saved->VertexShaders, sizeof(saved->VertexShaders) / sizeof(DWORD));
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}
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return;
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}
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void WINAPI AliasedFlip(
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void)
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{
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CDevice *device = g_pDevice;
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DWORD i = device->m_FrameBufferCount - 1;
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DWORD data = device->m_FrameBufferSurfaces[i].Data;
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DWORD lock = device->m_FrameBufferSurfaces[i].Lock;
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for (; i != 0; --i)
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{
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device->m_FrameBufferSurfaces[i].Data = device->m_FrameBufferSurfaces[i - 1].Data;
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device->m_FrameBufferSurfaces[i].Lock = device->m_FrameBufferSurfaces[i - 1].Lock;
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}
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device->m_FrameBufferSurfaces[0].Data = data;
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device->m_FrameBufferSurfaces[0].Lock = lock;
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DWORD *push = device->StartPush();
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Push1(push, 0x12c, 0);
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Push1(push + 2, NV097_NO_OPERATION, 0);
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DWORD flipAddress = device->m_FrameBufferSurfaces[1].Data;
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g_FlipAddress = flipAddress;
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Push1(push + 4, NV097_WAIT_FOR_IDLE, 0);
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Push1(push + 6, 0x1d8c, flipAddress);
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if (device->m_PresentationInterval == D3DPRESENT_INTERVAL_IMMEDIATE)
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Push1(push + 8, NV097_NO_OPERATION, 0x300);
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else
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Push1(push + 8, NV097_NO_OPERATION, 0x304);
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push += 10;
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if (device->m_pRenderTarget == &device->m_FrameBufferSurfaces[0])
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{
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Push1(push, 0x130, 0);
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Push1(push + 2, 0x210, device->m_FrameBufferSurfaces[0].Data);
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push += 4;
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}
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else
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{
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device->m_StateFlags |= 0x100;
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}
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device->EndPush(push);
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return;
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}
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}
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namespace D3D
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{
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DWORD *WINAPI AntiAliasedFilterBlt(
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DWORD *push,
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DWORD xScale,
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DWORD yScale,
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const RECT *rectangle)
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{
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CDevice *device = g_pDevice;
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DWORD left = 0;
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DWORD top = 0;
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DWORD right = PixelJar::GetWidth(device->m_pRenderTarget);
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DWORD bottom = PixelJar::GetHeight(device->m_pRenderTarget);
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if (rectangle)
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{
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left = max((LONG)left, rectangle->left);
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right = min((LONG)right, rectangle->right);
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top = max((LONG)top, rectangle->top);
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bottom = min((LONG)bottom, rectangle->bottom);
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}
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if (left < right && top < bottom)
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{
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PushCount(push++, 0x1760, 16);
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for (DWORD i = 0; i < 16; ++i) *push++ = SIZEANDTYPE_DISABLED;
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Push1(push, 0x1760, 0x22);
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Push1(push + 2, 0x1784, 0x22);
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Push1(push + 4, 0x17fc, 5);
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PushCount(push + 6, 0x40001818, 12);
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DWORD filter = D3D__TextureState[0][D3DTSS_MINFILTER];
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float uAdjust = 0.0f;
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float vAdjust = 0.0f;
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if (filter == D3DTEXF_QUINCUNX || filter == D3DTEXF_GAUSSIANCUBIC)
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{
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if (xScale == 2) uAdjust = 0.5f;
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if (yScale == 2) vAdjust = 0.5f;
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}
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/* The command payload is a 12-float triangle. memcpy writes float
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* representations without dereferencing an incompatible DWORD lvalue.
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* Bounds: caller reserves at least 38 words for a nonempty rectangle. */
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float value = (float)left - KELVIN_BORDER;
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memcpy(push + 7, &value, sizeof(value));
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value = (float)top - KELVIN_BORDER;
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memcpy(push + 8, &value, sizeof(value));
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value = (float)(left * xScale) + uAdjust;
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memcpy(push + 9, &value, sizeof(value));
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value = (float)(top * yScale) + vAdjust;
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memcpy(push + 10, &value, sizeof(value));
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value = (float)right * 4.0f - KELVIN_BORDER;
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memcpy(push + 11, &value, sizeof(value));
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value = (float)top * 4.0f - KELVIN_BORDER;
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memcpy(push + 12, &value, sizeof(value));
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value = (float)(right * xScale) * 4.0f + uAdjust;
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memcpy(push + 13, &value, sizeof(value));
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value = (float)(top * yScale) * 4.0f + vAdjust;
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memcpy(push + 14, &value, sizeof(value));
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value = (float)left * 4.0f - KELVIN_BORDER;
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memcpy(push + 15, &value, sizeof(value));
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value = (float)bottom * 4.0f - KELVIN_BORDER;
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memcpy(push + 16, &value, sizeof(value));
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value = (float)(left * xScale) * 4.0f + uAdjust;
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memcpy(push + 17, &value, sizeof(value));
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value = (float)(bottom * yScale) * 4.0f + vAdjust;
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memcpy(push + 18, &value, sizeof(value));
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Push1(push + 19, 0x17fc, 0);
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push += 21;
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device->m_DirtyFlags |= 0x7ff;
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}
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return push;
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}
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void WINAPI AntiAliasedCopy(
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const RECT *rectangle)
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{
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CDevice *device = g_pDevice;
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if (device->m_FrameBufferCount > 2 &&
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device->m_PresentationInterval != D3DPRESENT_INTERVAL_IMMEDIATE)
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{
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DWORD data = device->m_FrameBufferSurfaces[2].Data;
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DWORD lock = device->m_FrameBufferSurfaces[2].Lock;
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device->m_FrameBufferSurfaces[2].Data = device->m_FrameBufferSurfaces[1].Data;
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device->m_FrameBufferSurfaces[2].Lock = device->m_FrameBufferSurfaces[1].Lock;
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device->m_FrameBufferSurfaces[1].Data = data;
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device->m_FrameBufferSurfaces[1].Lock = lock;
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}
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AntiAliasedSavedState savedState;
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AntiAliasedSaveState(&savedState);
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DWORD sample = D3D__RenderState[D3DRS_MULTISAMPLETYPE];
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DWORD xScale = (sample >> 4) & 15;
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DWORD yScale = sample & 15;
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D3DSurface *destination = &device->m_FrameBufferSurfaces[1];
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D3DSurface *source = &device->m_FrameBufferSurfaces[0];
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DWORD filter = D3DTEXF_LINEAR;
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if (sample & 0x100) filter = D3DTEXF_QUINCUNX;
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else if (sample & 0x200) filter = D3DTEXF_GAUSSIANCUBIC;
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DWORD flipAddress = destination->Data;
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g_FlipAddress = flipAddress;
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AntiAliasedSetState(&savedState, destination, source, filter);
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DWORD *push = device->StartPush();
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if (device->m_PresentationInterval == D3DPRESENT_INTERVAL_IMMEDIATE)
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{
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push = AntiAliasedFilterBlt(push, xScale, yScale, rectangle);
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if (device->m_PresentCount == 1)
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{
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Push1(push, NV097_WAIT_FOR_IDLE, 0);
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push += 2;
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}
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Push1(push, 0x1d8c, flipAddress);
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Push1(push + 2, NV097_NO_OPERATION, 0x300);
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push += 4;
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}
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else if (device->m_FrameBufferCount < 3)
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{
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Push1(push, 0x12c, 0);
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Push1(push + 2, NV097_NO_OPERATION, 0);
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Push1(push + 4, NV097_WAIT_FOR_IDLE, 0);
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Push1(push + 6, 0x1d8c, flipAddress);
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Push1(push + 8, NV097_NO_OPERATION, 0x304);
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Push1(push + 10, 0x130, 0);
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push = AntiAliasedFilterBlt(push + 12, xScale, yScale, rectangle);
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}
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else
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{
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Push1(push, 0x130, 0);
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push = AntiAliasedFilterBlt(push + 2, xScale, yScale, rectangle);
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Push1(push, NV097_WAIT_FOR_IDLE, 0);
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Push1(push + 2, 0x1d8c, flipAddress);
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Push1(push + 4, NV097_NO_OPERATION, 0x304);
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Push1(push + 6, 0x12c, 0);
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Push1(push + 8, NV097_NO_OPERATION, 0);
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push += 10;
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}
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device->EndPush(push);
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AntiAliasedRestoreState(&savedState);
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return;
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}
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extern "C" void WINAPI D3DDevice_Present(
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const RECT *sourceRect,
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const RECT *destRect,
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void *destWindowOverride,
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void *dirtyRegion)
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{
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CDevice *device = g_pDevice;
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SetFence(2);
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while (device->m_PresentCount - device->m_Miniport.m_VBlankFlipCount >= 2)
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BusyLoop();
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++device->m_PresentCount;
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if (D3D__RenderState[D3DRS_MULTISAMPLETYPE] & 0x3000)
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AntiAliasedCopy(sourceRect);
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else
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AliasedFlip();
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device->KickOff();
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device->RecordSurfaceWritePush(&device->m_FrameBufferSurfaces[1]);
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if (device->m_Miniport.m_FirstFlip)
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{
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DWORD pitch = device->m_Miniport.m_SurfacePitch;
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DWORD mode = device->m_Miniport.m_DisplayMode;
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DWORD format = device->m_Miniport.m_Format;
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void *registerBase = device->m_Miniport.m_RegisterBase;
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KickOffAndWaitForIdle();
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if (device->m_Miniport.m_CurrentAvInfo & AV_FLAGS_FIELD) pitch >>= 1;
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DWORD step = 0;
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do
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{
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device->BlockUntilVerticalBlank();
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step = AvSetDisplayMode(registerBase, step, mode, format, pitch, g_FlipAddress);
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} while (step);
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if (device->m_Miniport.m_CurrentAvInfo & AV_FLAGS_FIELD)
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AvSendTVEncoderOption(device->m_Miniport.m_RegisterBase, 11, 0, NULL);
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DWORD field;
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AvSendTVEncoderOption(device->m_Miniport.m_RegisterBase, 15, 0, &field);
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if (!((device->m_Miniport.m_VBlankCount ^ field) & 1))
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++device->m_Miniport.m_VBlankCount;
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void *saved = AvGetSavedDataAddress();
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if (saved)
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{
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DWORD bytes = MmQueryAllocationSize(saved);
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MmPersistContiguousMemory(saved, bytes, FALSE);
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MmFreeContiguousMemory(saved);
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AvSetSavedDataAddress(NULL);
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}
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AvSendTVEncoderOption(registerBase, AV_OPTION_BLANK_SCREEN, 0, NULL);
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device->m_Miniport.m_FirstFlip = FALSE;
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}
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return;
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}
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}
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