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metaforce/aurora/lib/gfx/gx.cpp

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#include "gx.hpp"
#include "../gpu.hpp"
#include "Runtime/Graphics/GX.hpp"
#include "common.hpp"
#include <absl/container/flat_hash_map.h>
using aurora::gfx::gx::g_gxState;
static logvisor::Module Log("aurora::gx");
void GXSetNumChans(u8 num) noexcept { g_gxState.numChans = num; }
void GXSetNumIndStages(u8 num) noexcept { g_gxState.numIndStages = num; }
void GXSetNumTevStages(u8 num) noexcept { g_gxState.numTevStages = num; }
void GXSetNumTexGens(u8 num) noexcept { g_gxState.numTexGens = num; }
void GXSetTevAlphaIn(GX::TevStageID stageId, GX::TevAlphaArg a, GX::TevAlphaArg b, GX::TevAlphaArg c,
GX::TevAlphaArg d) noexcept {
g_gxState.tevStages[stageId].alphaPass = {a, b, c, d};
}
void GXSetTevAlphaOp(GX::TevStageID stageId, GX::TevOp op, GX::TevBias bias, GX::TevScale scale, bool clamp,
GX::TevRegID outReg) noexcept {
g_gxState.tevStages[stageId].alphaOp = {op, bias, scale, outReg, clamp};
}
void GXSetTevColorIn(GX::TevStageID stageId, GX::TevColorArg a, GX::TevColorArg b, GX::TevColorArg c,
GX::TevColorArg d) noexcept {
g_gxState.tevStages[stageId].colorPass = {a, b, c, d};
}
void GXSetTevColorOp(GX::TevStageID stageId, GX::TevOp op, GX::TevBias bias, GX::TevScale scale, bool clamp,
GX::TevRegID outReg) noexcept {
g_gxState.tevStages[stageId].colorOp = {op, bias, scale, outReg, clamp};
}
void GXSetCullMode(GX::CullMode mode) noexcept { g_gxState.cullMode = mode; }
void GXSetBlendMode(GX::BlendMode mode, GX::BlendFactor src, GX::BlendFactor dst, GX::LogicOp op) noexcept {
g_gxState.blendMode = mode;
g_gxState.blendFacSrc = src;
g_gxState.blendFacDst = dst;
g_gxState.blendOp = op;
}
void GXSetZMode(bool compare_enable, GX::Compare func, bool update_enable) noexcept {
g_gxState.depthCompare = compare_enable;
g_gxState.depthFunc = func;
g_gxState.depthUpdate = update_enable;
}
void GXSetTevColor(GX::TevRegID id, const zeus::CColor& color) noexcept {
if (id < GX::TEVPREV || id > GX::TEVREG2) {
Log.report(logvisor::Fatal, FMT_STRING("bad tevreg {}"), id);
unreachable();
}
g_gxState.colorRegs[id] = color;
}
void GXSetTevKColor(GX::TevKColorID id, const zeus::CColor& color) noexcept {
if (id >= GX::MAX_KCOLOR) {
Log.report(logvisor::Fatal, FMT_STRING("bad kcolor {}"), id);
unreachable();
}
g_gxState.kcolors[id] = color;
}
void GXSetAlphaUpdate(bool enabled) noexcept { g_gxState.alphaUpdate = enabled; }
void GXSetDstAlpha(bool enabled, u8 value) noexcept {
if (enabled) {
g_gxState.dstAlpha = value;
} else {
g_gxState.dstAlpha = UINT32_MAX;
}
}
void GXSetCopyClear(const zeus::CColor& color, float depth) noexcept { g_gxState.clearColor = color; }
void GXSetTevOrder(GX::TevStageID id, GX::TexCoordID tcid, GX::TexMapID tmid, GX::ChannelID cid) noexcept {
auto& stage = g_gxState.tevStages[id];
stage.texCoordId = tcid;
stage.texMapId = tmid;
stage.channelId = cid;
}
void GXSetTevKColorSel(GX::TevStageID id, GX::TevKColorSel sel) noexcept { g_gxState.tevStages[id].kcSel = sel; }
void GXSetTevKAlphaSel(GX::TevStageID id, GX::TevKAlphaSel sel) noexcept { g_gxState.tevStages[id].kaSel = sel; }
void GXSetChanAmbColor(GX::ChannelID id, const zeus::CColor& color) noexcept {
if (id < GX::COLOR0A0 || id > GX::COLOR1A1) {
Log.report(logvisor::Fatal, FMT_STRING("bad channel {}"), id);
unreachable();
}
g_gxState.colorChannelState[id - GX::COLOR0A0].ambColor = color;
}
void GXSetChanMatColor(GX::ChannelID id, const zeus::CColor& color) noexcept {
if (id < GX::COLOR0A0 || id > GX::COLOR1A1) {
Log.report(logvisor::Fatal, FMT_STRING("bad channel {}"), id);
unreachable();
}
g_gxState.colorChannelState[id - GX::COLOR0A0].matColor = color;
}
void GXSetChanCtrl(GX::ChannelID id, bool lightingEnabled, GX::ColorSrc ambSrc, GX::ColorSrc matSrc,
GX::LightMask lightState, GX::DiffuseFn diffFn, GX::AttnFn attnFn) noexcept {
if (id < GX::COLOR0A0 || id > GX::COLOR1A1) {
Log.report(logvisor::Fatal, FMT_STRING("bad channel {}"), id);
unreachable();
}
u32 idx = id - GX::COLOR0A0;
auto& chan = g_gxState.colorChannelConfig[idx];
chan.lightingEnabled = lightingEnabled;
chan.ambSrc = ambSrc;
chan.matSrc = matSrc;
chan.diffFn = diffFn;
chan.attnFn = attnFn;
g_gxState.colorChannelState[idx].lightState = lightState;
}
void GXSetAlphaCompare(GX::Compare comp0, u8 ref0, GX::AlphaOp op, GX::Compare comp1, u8 ref1) noexcept {
g_gxState.alphaCompare = {comp0, ref0, op, comp1, ref1};
}
void GXSetTexCoordGen2(GX::TexCoordID dst, GX::TexGenType type, GX::TexGenSrc src, GX::TexMtx mtx, GXBool normalize,
GX::PTTexMtx postMtx) noexcept {
if (dst < GX::TEXCOORD0 || dst > GX::TEXCOORD7) {
Log.report(logvisor::Fatal, FMT_STRING("invalid tex coord {}"), dst);
unreachable();
}
g_gxState.tcgs[dst] = {type, src, mtx, postMtx, normalize};
}
void GXLoadTexMtxImm(const void* data, u32 id, GX::TexMtxType type) noexcept {
if ((id < GX::TEXMTX0 || id > GX::IDENTITY) && (id < GX::PTTEXMTX0 || id > GX::PTIDENTITY)) {
Log.report(logvisor::Fatal, FMT_STRING("invalid tex mtx {}"), id);
unreachable();
}
if (id >= GX::PTTEXMTX0) {
if (type != GX::MTX3x4) {
Log.report(logvisor::Fatal, FMT_STRING("invalid pt mtx type {}"), type);
unreachable();
}
const auto idx = (id - GX::PTTEXMTX0) / 3;
g_gxState.ptTexMtxs[idx] = *static_cast<const zeus::CTransform*>(data);
} else {
const auto idx = (id - GX::TEXMTX0) / 3;
switch (type) {
case GX::MTX3x4:
g_gxState.texMtxs[idx] = aurora::Mat4x4<float>{*static_cast<const zeus::CTransform*>(data)};
break;
case GX::MTX2x4:
g_gxState.texMtxs[idx] = *static_cast<const aurora::Mat4x2<float>*>(data);
break;
}
}
}
void GXLoadPosMtxImm(const zeus::CTransform& xf, GX::PosNrmMtx id) noexcept {
if (id != GX::PNMTX0) {
Log.report(logvisor::Fatal, FMT_STRING("invalid pn mtx {}"), id);
unreachable();
}
g_gxState.mv = xf.toMatrix4f();
}
void GXLoadNrmMtxImm(const zeus::CTransform& xf, GX::PosNrmMtx id) noexcept {
if (id != GX::PNMTX0) {
Log.report(logvisor::Fatal, FMT_STRING("invalid pn mtx {}"), id);
unreachable();
}
g_gxState.mvInv = xf.toMatrix4f();
}
constexpr zeus::CMatrix4f DepthCorrect{
// clang-format off
1.f, 0.f, 0.f, 0.f,
0.f, 1.f, 0.f, 0.f,
0.f, 0.f, 0.5f, 0.5f,
0.f, 0.f, 0.f, 1.f,
// clang-format on
};
void GXSetProjection(const zeus::CMatrix4f& mtx, GX::ProjectionType type) noexcept {
if (type == GX::PERSPECTIVE) {
g_gxState.proj = DepthCorrect * mtx;
} else {
g_gxState.proj = mtx;
}
}
void GXSetViewport(float left, float top, float width, float height, float nearZ, float farZ) noexcept {
aurora::gfx::set_viewport(left, top, width, height, nearZ, farZ);
}
void GXSetScissor(u32 left, u32 top, u32 width, u32 height) noexcept {
aurora::gfx::set_scissor(left, top, width, height);
}
void GXSetFog(GX::FogType type, float startZ, float endZ, float nearZ, float farZ, const GXColor& color) noexcept {
g_gxState.fog = {type, startZ, endZ, nearZ, farZ, color};
}
void GXSetFogColor(const GXColor& color) noexcept { g_gxState.fog.color = color; }
void GXSetVtxDesc(GX::Attr attr, GX::AttrType type) noexcept { g_gxState.vtxDesc[attr] = type; }
void GXSetVtxDescv(GX::VtxDescList* list) noexcept {
g_gxState.vtxDesc.fill({});
while (*list) {
g_gxState.vtxDesc[list->attr] = list->type;
++list;
}
}
void GXClearVtxDesc() noexcept { g_gxState.vtxDesc.fill({}); }
void GXSetTevSwapModeTable(GX::TevSwapSel id, GX::TevColorChan red, GX::TevColorChan green, GX::TevColorChan blue,
GX::TevColorChan alpha) noexcept {
if (id < GX::TEV_SWAP0 || id >= GX::MAX_TEVSWAP) {
Log.report(logvisor::Fatal, FMT_STRING("invalid tev swap sel {}"), id);
unreachable();
}
g_gxState.tevSwapTable[id] = {red, green, blue, alpha};
}
void GXSetTevSwapMode(GX::TevStageID stageId, GX::TevSwapSel rasSel, GX::TevSwapSel texSel) noexcept {
auto& stage = g_gxState.tevStages[stageId];
stage.tevSwapRas = rasSel;
stage.tevSwapTex = texSel;
}
void GXSetLineWidth(u8 width, GX::TexOffset offs) noexcept {
// TODO
}
u32 GXGetTexBufferSize(u16 width, u16 height, u32 fmt, GXBool mips, u8 maxLod) noexcept {
s32 shiftX = 0;
s32 shiftY = 0;
switch (fmt) {
case GX::TF_I4:
case GX::TF_C4:
case GX::TF_CMPR:
case GX::CTF_R4:
case GX::CTF_Z4:
shiftX = 3;
shiftY = 3;
break;
case GX::TF_I8:
case GX::TF_IA4:
case GX::TF_C8:
case GX::TF_Z8:
case GX::CTF_RA4:
case GX::CTF_A8:
case GX::CTF_R8:
case GX::CTF_G8:
case GX::CTF_B8:
case GX::CTF_Z8M:
case GX::CTF_Z8L:
shiftX = 3;
shiftY = 2;
break;
case GX::TF_IA8:
case GX::TF_RGB565:
case GX::TF_RGB5A3:
case GX::TF_RGBA8:
case GX::TF_C14X2:
case GX::TF_Z16:
case GX::TF_Z24X8:
case GX::CTF_RA8:
case GX::CTF_RG8:
case GX::CTF_GB8:
case GX::CTF_Z16L:
shiftX = 2;
shiftY = 2;
break;
default:
break;
}
u32 bitSize = fmt == GX::TF_RGBA8 || fmt == GX::TF_Z24X8 ? 64 : 32;
u32 bufLen = 0;
if (mips) {
while (maxLod != 0) {
const u32 tileX = ((width + (1 << shiftX) - 1) >> shiftX);
const u32 tileY = ((height + (1 << shiftY) - 1) >> shiftY);
bufLen += bitSize * tileX * tileY;
if (width == 1 && height == 1) {
return bufLen;
}
width = (width < 2) ? 1 : width / 2;
height = (height < 2) ? 1 : height / 2;
--maxLod;
};
} else {
const u32 tileX = ((width + (1 << shiftX) - 1) >> shiftX);
const u32 tileY = ((height + (1 << shiftY) - 1) >> shiftY);
bufLen = bitSize * tileX * tileY;
}
return bufLen;
}
// Lighting
void GXInitLightAttn(GX::LightObj* light, float a0, float a1, float a2, float k0, float k1, float k2) noexcept {
light->a0 = a0;
light->a1 = a1;
light->a2 = a2;
light->k0 = k0;
light->k1 = k1;
light->k2 = k2;
}
void GXInitLightAttnA(GX::LightObj* light, float a0, float a1, float a2) noexcept {
light->a0 = a0;
light->a1 = a1;
light->a2 = a2;
}
void GXInitLightAttnK(GX::LightObj* light, float k0, float k1, float k2) noexcept {
light->k0 = k0;
light->k1 = k1;
light->k2 = k2;
}
void GXInitLightSpot(GX::LightObj* light, float cutoff, GX::SpotFn spotFn) noexcept {
if (cutoff <= 0.f || cutoff > 90.f) {
spotFn = GX::SP_OFF;
}
float cr = std::cos((cutoff * M_PIF) / 180.f);
float a0 = 1.f;
float a1 = 0.f;
float a2 = 0.f;
switch (spotFn) {
default:
break;
case GX::SP_FLAT:
a0 = -1000.f * cr;
a1 = 1000.f;
a2 = 0.f;
break;
case GX::SP_COS:
a0 = -cr / (1.f - cr);
a1 = 1.f / (1.f - cr);
a2 = 0.f;
break;
case GX::SP_COS2:
a0 = 0.f;
a1 = -cr / (1.f - cr);
a2 = 1.f / (1.f - cr);
break;
case GX::SP_SHARP: {
const float d = (1.f - cr) * (1.f - cr);
a0 = cr * (cr - 2.f);
a1 = 2.f / d;
a2 = -1.f / d;
break;
}
case GX::SP_RING1: {
const float d = (1.f - cr) * (1.f - cr);
a0 = 4.f * cr / d;
a1 = 4.f * (1.f + cr) / d;
a2 = -4.f / d;
break;
}
case GX::SP_RING2: {
const float d = (1.f - cr) * (1.f - cr);
a0 = 1.f - 2.f * cr * cr / d;
a1 = 4.f * cr / d;
a2 = -2.f / d;
break;
}
}
light->a0 = a0;
light->a1 = a1;
light->a2 = a2;
}
void GXInitLightDistAttn(GX::LightObj* light, float refDistance, float refBrightness,
GX::DistAttnFn distFunc) noexcept {
if (refDistance < 0.f || refBrightness < 0.f || refBrightness >= 1.f) {
distFunc = GX::DA_OFF;
}
float k0 = 1.f;
float k1 = 0.f;
float k2 = 0.f;
switch (distFunc) {
case GX::DA_GENTLE:
k0 = 1.0f;
k1 = (1.0f - refBrightness) / (refBrightness * refDistance);
k2 = 0.0f;
break;
case GX::DA_MEDIUM:
k0 = 1.0f;
k1 = 0.5f * (1.0f - refBrightness) / (refBrightness * refDistance);
k2 = 0.5f * (1.0f - refBrightness) / (refBrightness * refDistance * refDistance);
break;
case GX::DA_STEEP:
k0 = 1.0f;
k1 = 0.0f;
k2 = (1.0f - refBrightness) / (refBrightness * refDistance * refDistance);
break;
case GX::DA_OFF:
k0 = 1.0f;
k1 = 0.0f;
k2 = 0.0f;
break;
}
light->k0 = k0;
light->k1 = k1;
light->k2 = k2;
}
void GXInitLightPos(GX::LightObj* light, float x, float y, float z) noexcept {
light->px = x;
light->py = y;
light->pz = z;
}
void GXInitLightDir(GX::LightObj* light, float nx, float ny, float nz) noexcept {
light->nx = -nx;
light->ny = -ny;
light->nz = -nz;
}
void GXInitSpecularDir(GX::LightObj* light, float nx, float ny, float nz) noexcept {
float hx = -nx;
float hy = -ny;
float hz = (-nz + 1.0f);
float mag = ((hx * hx) + (hy * hy) + (hz * hz));
if (mag != 0.0f) {
mag = 1.0f / sqrtf(mag);
}
light->px = (nx * GX::LARGE_NUMBER);
light->py = (ny * GX::LARGE_NUMBER);
light->pz = (nz * GX::LARGE_NUMBER);
light->nx = hx * mag;
light->ny = hy * mag;
light->nz = hz * mag;
}
void GXInitSpecularDirHA(GX::LightObj* light, float nx, float ny, float nz, float hx, float hy, float hz) noexcept {
light->px = (nx * GX::LARGE_NUMBER);
light->py = (ny * GX::LARGE_NUMBER);
light->pz = (nz * GX::LARGE_NUMBER);
light->nx = hx;
light->ny = hy;
light->nz = hz;
}
void GXInitLightColor(GX::LightObj* light, GX::Color col) noexcept { light->color = col; }
void GXLoadLightObjImm(const GX::LightObj* light, GX::LightID id) noexcept {
u32 idx = std::log2<u32>(id);
aurora::gfx::Light realLight;
realLight.pos.assign(light->px, light->py, light->pz);
realLight.dir.assign(light->nx, light->ny, light->nz);
realLight.cosAtt.assign(light->a0, light->a1, light->a2);
realLight.distAtt.assign(light->k0, light->k1, light->k2);
realLight.color.fromRGBA8(light->color.color[0], light->color.color[1], light->color.color[2], light->color.color[3]);
g_gxState.lights[idx] = realLight;
}
/* TODO Figure out a way to implement this, requires GXSetArray */
void GXLoadLightObjIndx(u32 index, GX::LightID) noexcept {}
void GXGetLightAttnA(const GX::LightObj* light, float* a0, float* a1, float* a2) noexcept {
*a0 = light->a0;
*a1 = light->a1;
*a2 = light->a2;
}
void GXGetLightAttnK(const GX::LightObj* light, float* k0, float* k1, float* k2) noexcept {
*k0 = light->k0;
*k1 = light->k1;
*k2 = light->k2;
}
void GXGetLightPos(const GX::LightObj* light, float* x, float* y, float* z) noexcept {
*x = light->px;
*z = light->py;
*z = light->pz;
}
void GXGetLightDir(const GX::LightObj* light, float* nx, float* ny, float* nz) noexcept {
*nx = -light->nx;
*ny = -light->ny;
*nz = -light->nz;
}
void GXGetLightColor(const GX::LightObj* light, GX::Color* col) noexcept { *col = light->color; }
// Indirect Texturing
void GXSetTevIndirect(GX::TevStageID tevStage, GX::IndTexStageID indStage, GX::IndTexFormat fmt,
GX::IndTexBiasSel biasSel, GX::IndTexMtxID matrixSel, GX::IndTexWrap wrapS, GX::IndTexWrap wrapT,
GXBool addPrev, GXBool indLod, GX::IndTexAlphaSel alphaSel) noexcept {
auto& stage = g_gxState.tevStages[tevStage];
stage.indTexStage = indStage;
stage.indTexFormat = fmt;
stage.indTexBiasSel = biasSel;
stage.indTexAlphaSel = alphaSel;
stage.indTexMtxId = matrixSel;
stage.indTexWrapS = wrapS;
stage.indTexWrapT = wrapT;
stage.indTexAddPrev = addPrev;
stage.indTexUseOrigLOD = indLod;
}
void GXSetIndTexOrder(GX::IndTexStageID indStage, GX::TexCoordID texCoord, GX::TexMapID texMap) noexcept {
auto& stage = g_gxState.indStages[indStage];
stage.texCoordId = texCoord;
stage.texMapId = texMap;
}
void GXSetIndTexCoordScale(GX::IndTexStageID indStage, GX::IndTexScale scaleS, GX::IndTexScale scaleT) noexcept {
auto& stage = g_gxState.indStages[indStage];
stage.scaleS = scaleS;
stage.scaleT = scaleT;
}
void GXSetIndTexMtx(GX::IndTexMtxID id, const void* mtx, s8 scaleExp) noexcept {
if (id < GX::ITM_0 || id > GX::ITM_2) {
Log.report(logvisor::Fatal, FMT_STRING("invalid ind tex mtx ID {}"), id);
}
g_gxState.indTexMtxs[id - 1] = {*static_cast<const aurora::Mat3x2<float>*>(mtx), scaleExp};
}
void GXInitTexObj(GXTexObj* obj, const void* data, u16 width, u16 height, GX::TextureFormat format, GXTexWrapMode wrapS,
GXTexWrapMode wrapT, GXBool mipmap) noexcept {
obj->data = data;
obj->width = width;
obj->height = height;
obj->fmt = format;
obj->wrapS = wrapS;
obj->wrapT = wrapT;
obj->hasMips = mipmap;
// TODO default values?
obj->minFilter = GX_LINEAR;
obj->magFilter = GX_LINEAR;
obj->minLod = 0.f;
obj->maxLod = 0.f;
obj->lodBias = 0.f;
obj->biasClamp = false;
obj->doEdgeLod = false;
obj->maxAniso = GX_ANISO_4;
obj->tlut = GX_TLUT0;
obj->dataInvalidated = true;
}
void GXInitTexObjResolved(GXTexObj* obj, u32 bindIdx, GX::TextureFormat format, GXTexWrapMode wrapS,
GXTexWrapMode wrapT, GXTlut tlut) {
const auto& ref = aurora::gfx::g_resolvedTextures[bindIdx];
obj->ref = ref;
obj->data = nullptr;
obj->dataSize = 0;
obj->width = ref->size.width;
obj->height = ref->size.height;
obj->fmt = format;
obj->wrapS = wrapS;
obj->wrapT = wrapT;
obj->hasMips = false;
obj->tlut = tlut;
// TODO default values?
obj->minFilter = GX_LINEAR;
obj->magFilter = GX_LINEAR;
obj->minLod = 0.f;
obj->maxLod = 0.f;
obj->lodBias = 0.f;
obj->biasClamp = false;
obj->doEdgeLod = false;
obj->maxAniso = GX_ANISO_4;
obj->dataInvalidated = false;
}
void GXInitTexObjLOD(GXTexObj* obj, GXTexFilter minFilt, GXTexFilter magFilt, float minLod, float maxLod, float lodBias,
GXBool biasClamp, GXBool doEdgeLod, GXAnisotropy maxAniso) noexcept {
obj->minFilter = minFilt;
obj->magFilter = magFilt;
obj->minLod = minLod;
obj->maxLod = maxLod;
obj->lodBias = lodBias;
obj->biasClamp = biasClamp;
obj->doEdgeLod = doEdgeLod;
obj->maxAniso = maxAniso;
}
void GXInitTexObjCI(GXTexObj* obj, void* data, u16 width, u16 height, GXCITexFmt format, GXTexWrapMode wrapS,
GXTexWrapMode wrapT, GXBool mipmap, u32 tlut) noexcept {
obj->data = data;
obj->width = width;
obj->height = height;
obj->fmt = static_cast<GX::TextureFormat>(format);
obj->wrapS = wrapS;
obj->wrapT = wrapT;
obj->hasMips = mipmap;
obj->tlut = static_cast<GXTlut>(tlut);
// TODO default values?
obj->minFilter = GX_LINEAR;
obj->magFilter = GX_LINEAR;
obj->minLod = 0.f;
obj->maxLod = 0.f;
obj->lodBias = 0.f;
obj->biasClamp = false;
obj->doEdgeLod = false;
obj->maxAniso = GX_ANISO_4;
obj->dataInvalidated = true;
}
void GXInitTexObjData(GXTexObj* obj, void* data) noexcept {
obj->data = data;
obj->dataInvalidated = true;
}
void GXInitTexObjWrapMode(GXTexObj* obj, GXTexWrapMode wrapS, GXTexWrapMode wrapT) noexcept {
obj->wrapS = wrapS;
obj->wrapT = wrapT;
}
void GXInitTexObjTlut(GXTexObj* obj, u32 tlut) noexcept { obj->tlut = static_cast<GXTlut>(tlut); }
void GXLoadTexObj(GXTexObj* obj, GX::TexMapID id) noexcept {
if (!obj->ref) {
obj->ref =
aurora::gfx::new_dynamic_texture_2d(obj->width, obj->height, u32(obj->minLod) + 1, obj->fmt, "GXLoadTexObj");
}
if (obj->dataInvalidated) {
aurora::gfx::write_texture(*obj->ref, {static_cast<const u8*>(obj->data), UINT32_MAX /* TODO */});
obj->dataInvalidated = false;
}
g_gxState.textures[id] = {*obj};
}
void GXInitTlutObj(GXTlutObj* obj, const void* data, GXTlutFmt format, u16 entries) noexcept {
GX::TextureFormat texFmt;
switch (format) {
case GX_TL_IA8:
texFmt = GX::TF_IA8;
break;
case GX_TL_RGB565:
texFmt = GX::TF_RGB565;
break;
case GX_TL_RGB5A3:
texFmt = GX::TF_RGB5A3;
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("invalid tlut format {}"), format);
unreachable();
}
obj->ref = aurora::gfx::new_static_texture_2d(
entries, 1, 1, texFmt, aurora::ArrayRef{static_cast<const u8*>(data), static_cast<size_t>(entries) * 2},
"GXInitTlutObj");
}
void GXLoadTlut(const GXTlutObj* obj, GXTlut idx) noexcept { g_gxState.tluts[idx] = *obj; }
void GXSetColorUpdate(GXBool enabled) noexcept { g_gxState.colorUpdate = enabled; }
void GXSetTevColorS10(GX::TevRegID id, const GXColorS10& color) noexcept {
g_gxState.colorRegs[id] = zeus::CColor{
static_cast<float>(color.r) / 1023.f,
static_cast<float>(color.g) / 1023.f,
static_cast<float>(color.b) / 1023.f,
static_cast<float>(color.a) / 1023.f,
};
}
void GXInvalidateTexAll() noexcept {
// no-op?
}
namespace aurora::gfx {
static logvisor::Module Log("aurora::gfx::gx");
namespace gx {
using gpu::g_device;
using gpu::g_graphicsConfig;
GXState g_gxState;
const TextureBind& get_texture(GX::TexMapID id) noexcept { return g_gxState.textures[static_cast<size_t>(id)]; }
static inline wgpu::BlendFactor to_blend_factor(GX::BlendFactor fac) {
switch (fac) {
case GX::BL_ZERO:
return wgpu::BlendFactor::Zero;
case GX::BL_ONE:
return wgpu::BlendFactor::One;
case GX::BL_SRCCLR:
return wgpu::BlendFactor::Src;
case GX::BL_INVSRCCLR:
return wgpu::BlendFactor::OneMinusSrc;
case GX::BL_SRCALPHA:
return wgpu::BlendFactor::SrcAlpha;
case GX::BL_INVSRCALPHA:
return wgpu::BlendFactor::OneMinusSrcAlpha;
case GX::BL_DSTALPHA:
return wgpu::BlendFactor::DstAlpha;
case GX::BL_INVDSTALPHA:
return wgpu::BlendFactor::OneMinusDstAlpha;
case GX::BL_DSTCLR:
return wgpu::BlendFactor::Dst;
case GX::BL_INVDSTCLR:
return wgpu::BlendFactor::OneMinusDst;
default:
Log.report(logvisor::Fatal, FMT_STRING("invalid blend factor {}"), fac);
unreachable();
}
}
static inline wgpu::CompareFunction to_compare_function(GX::Compare func) {
switch (func) {
case GX::NEVER:
return wgpu::CompareFunction::Never;
case GX::LESS:
return wgpu::CompareFunction::Less;
case GX::EQUAL:
return wgpu::CompareFunction::Equal;
case GX::LEQUAL:
return wgpu::CompareFunction::LessEqual;
case GX::GREATER:
return wgpu::CompareFunction::Greater;
case GX::NEQUAL:
return wgpu::CompareFunction::NotEqual;
case GX::GEQUAL:
return wgpu::CompareFunction::GreaterEqual;
case GX::ALWAYS:
return wgpu::CompareFunction::Always;
default:
Log.report(logvisor::Fatal, FMT_STRING("invalid depth fn {}"), func);
unreachable();
}
}
static inline wgpu::BlendState to_blend_state(GX::BlendMode mode, GX::BlendFactor srcFac, GX::BlendFactor dstFac,
GX::LogicOp op, u32 dstAlpha) {
wgpu::BlendComponent colorBlendComponent;
switch (mode) {
case GX::BM_NONE:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::Src,
.dstFactor = wgpu::BlendFactor::Zero,
};
break;
case GX::BM_BLEND:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = to_blend_factor(srcFac),
.dstFactor = to_blend_factor(dstFac),
};
break;
case GX::BM_SUBTRACT:
colorBlendComponent = {
.operation = wgpu::BlendOperation::ReverseSubtract,
.srcFactor = wgpu::BlendFactor::Src,
.dstFactor = wgpu::BlendFactor::Dst,
};
break;
case GX::BM_LOGIC:
switch (op) {
case GX::LO_CLEAR:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::Zero,
.dstFactor = wgpu::BlendFactor::Zero,
};
break;
case GX::LO_COPY:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::Src,
.dstFactor = wgpu::BlendFactor::Zero,
};
break;
case GX::LO_NOOP:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::Zero,
.dstFactor = wgpu::BlendFactor::Dst,
};
break;
case GX::LO_INV:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::Zero,
.dstFactor = wgpu::BlendFactor::OneMinusDst,
};
break;
case GX::LO_INVCOPY:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::OneMinusSrc,
.dstFactor = wgpu::BlendFactor::Zero,
};
break;
case GX::LO_SET:
colorBlendComponent = {
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::One,
.dstFactor = wgpu::BlendFactor::Zero,
};
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("unsupported logic op {}"), op);
unreachable();
}
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("unsupported blend mode {}"), mode);
unreachable();
}
wgpu::BlendComponent alphaBlendComponent{
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::SrcAlpha,
.dstFactor = wgpu::BlendFactor::Zero,
};
if (dstAlpha != UINT32_MAX) {
alphaBlendComponent = wgpu::BlendComponent{
.operation = wgpu::BlendOperation::Add,
.srcFactor = wgpu::BlendFactor::Constant,
.dstFactor = wgpu::BlendFactor::Zero,
};
}
return {
.color = colorBlendComponent,
.alpha = alphaBlendComponent,
};
}
static inline wgpu::ColorWriteMask to_write_mask(bool colorUpdate, bool alphaUpdate) {
auto writeMask = wgpu::ColorWriteMask::None;
if (colorUpdate) {
writeMask |= wgpu::ColorWriteMask::Red | wgpu::ColorWriteMask::Green | wgpu::ColorWriteMask::Blue;
}
if (alphaUpdate) {
writeMask |= wgpu::ColorWriteMask::Alpha;
}
return writeMask;
}
static inline wgpu::PrimitiveState to_primitive_state(GX::Primitive gx_prim, GX::CullMode gx_cullMode) {
wgpu::PrimitiveTopology primitive = wgpu::PrimitiveTopology::TriangleList;
switch (gx_prim) {
case GX::TRIANGLES:
break;
case GX::TRIANGLESTRIP:
primitive = wgpu::PrimitiveTopology::TriangleStrip;
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("Unsupported primitive type {}"), gx_prim);
unreachable();
}
wgpu::CullMode cullMode = wgpu::CullMode::None;
switch (gx_cullMode) {
case GX::CULL_FRONT:
cullMode = wgpu::CullMode::Front;
break;
case GX::CULL_BACK:
cullMode = wgpu::CullMode::Back;
break;
case GX::CULL_NONE:
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("Unsupported cull mode {}"), gx_cullMode);
unreachable();
}
return {
.topology = primitive,
.frontFace = wgpu::FrontFace::CW,
.cullMode = cullMode,
};
}
wgpu::RenderPipeline build_pipeline(const PipelineConfig& config, const ShaderInfo& info,
ArrayRef<wgpu::VertexBufferLayout> vtxBuffers, wgpu::ShaderModule shader,
zstring_view label) noexcept {
const auto depthStencil = wgpu::DepthStencilState{
.format = g_graphicsConfig.depthFormat,
.depthWriteEnabled = config.depthUpdate,
.depthCompare = to_compare_function(config.depthFunc),
};
const auto blendState =
to_blend_state(config.blendMode, config.blendFacSrc, config.blendFacDst, config.blendOp, config.dstAlpha);
const std::array colorTargets{wgpu::ColorTargetState{
.format = g_graphicsConfig.colorFormat,
.blend = &blendState,
.writeMask = to_write_mask(config.colorUpdate, config.alphaUpdate),
}};
const auto fragmentState = wgpu::FragmentState{
.module = shader,
.entryPoint = "fs_main",
.targetCount = colorTargets.size(),
.targets = colorTargets.data(),
};
auto layouts = build_bind_group_layouts(info, config.shaderConfig);
const std::array bindGroupLayouts{
std::move(layouts.uniformLayout),
std::move(layouts.samplerLayout),
std::move(layouts.textureLayout),
};
const auto pipelineLayoutDescriptor = wgpu::PipelineLayoutDescriptor{
.label = "GX Pipeline Layout",
.bindGroupLayoutCount = static_cast<uint32_t>(info.sampledTextures.any() ? bindGroupLayouts.size() : 1),
.bindGroupLayouts = bindGroupLayouts.data(),
};
auto pipelineLayout = g_device.CreatePipelineLayout(&pipelineLayoutDescriptor);
const auto descriptor = wgpu::RenderPipelineDescriptor{
.label = label.c_str(),
.layout = std::move(pipelineLayout),
.vertex =
{
.module = std::move(shader),
.entryPoint = "vs_main",
.bufferCount = static_cast<uint32_t>(vtxBuffers.size()),
.buffers = vtxBuffers.data(),
},
.primitive = to_primitive_state(config.primitive, config.cullMode),
.depthStencil = &depthStencil,
.multisample =
wgpu::MultisampleState{
.count = g_graphicsConfig.msaaSamples,
},
.fragment = &fragmentState,
};
return g_device.CreateRenderPipeline(&descriptor);
}
void populate_pipeline_config(PipelineConfig& config, GX::Primitive primitive) noexcept {
config.shaderConfig.fogType = g_gxState.fog.type;
config.shaderConfig.vtxAttrs = g_gxState.vtxDesc;
config.shaderConfig.tevSwapTable = g_gxState.tevSwapTable;
for (u8 i = 0; i < g_gxState.numTevStages; ++i) {
config.shaderConfig.tevStages[i] = g_gxState.tevStages[i];
}
config.shaderConfig.tevStageCount = g_gxState.numTevStages;
for (u8 i = 0; i < g_gxState.numChans; ++i) {
const auto& cc = g_gxState.colorChannelConfig[i];
if (g_gxState.colorChannelState[i].lightState.any() && cc.lightingEnabled) {
config.shaderConfig.colorChannels[i] = cc;
} else {
// Only matSrc matters when lighting disabled
config.shaderConfig.colorChannels[i] = {
.matSrc = cc.matSrc,
};
}
}
for (u8 i = 0; i < g_gxState.numTexGens; ++i) {
config.shaderConfig.tcgs[i] = g_gxState.tcgs[i];
}
if (g_gxState.alphaCompare) {
config.shaderConfig.alphaCompare = g_gxState.alphaCompare;
}
config.shaderConfig.indexedAttributeCount =
std::count_if(config.shaderConfig.vtxAttrs.begin(), config.shaderConfig.vtxAttrs.end(),
[](const auto type) { return type == GX::INDEX8 || type == GX::INDEX16; });
for (u8 i = 0; i < MaxTextures; ++i) {
const auto& bind = g_gxState.textures[i];
TextureConfig texConfig{};
if (bind.texObj.ref) {
if (requires_copy_conversion(bind.texObj)) {
texConfig.copyFmt = bind.texObj.ref->gxFormat;
}
if (requires_load_conversion(bind.texObj)) {
texConfig.loadFmt = bind.texObj.fmt;
}
texConfig.renderTex = bind.texObj.ref->isRenderTexture;
}
config.shaderConfig.textureConfig[i] = texConfig;
}
config = {
.shaderConfig = config.shaderConfig,
.primitive = primitive,
.depthFunc = g_gxState.depthFunc,
.cullMode = g_gxState.cullMode,
.blendMode = g_gxState.blendMode,
.blendFacSrc = g_gxState.blendFacSrc,
.blendFacDst = g_gxState.blendFacDst,
.blendOp = g_gxState.blendOp,
.dstAlpha = g_gxState.dstAlpha,
.depthCompare = g_gxState.depthCompare,
.depthUpdate = g_gxState.depthUpdate,
.alphaUpdate = g_gxState.alphaUpdate,
.colorUpdate = g_gxState.colorUpdate,
};
}
Range build_uniform(const ShaderInfo& info) noexcept {
auto [buf, range] = map_uniform(info.uniformSize);
{
buf.append(&g_gxState.mv, 64);
buf.append(&g_gxState.mvInv, 64);
buf.append(&g_gxState.proj, 64);
}
for (int i = 0; i < info.loadsTevReg.size(); ++i) {
if (!info.loadsTevReg.test(i)) {
continue;
}
buf.append(&g_gxState.colorRegs[i], 16);
}
for (int i = 0; i < info.sampledColorChannels.size(); ++i) {
if (!info.sampledColorChannels.test(i)) {
continue;
}
buf.append(&g_gxState.colorChannelState[i].ambColor, 16);
buf.append(&g_gxState.colorChannelState[i].matColor, 16);
if (g_gxState.colorChannelConfig[i].lightingEnabled) {
int addedLights = 0;
const auto& lightState = g_gxState.colorChannelState[i].lightState;
u32 state = lightState.to_ulong();
buf.append(&lightState, sizeof(u32));
buf.append_zeroes(12); // alignment
for (int li = 0; li < lightState.size(); ++li) {
if (!lightState.test(li)) {
continue;
}
const auto& light = g_gxState.lights[li];
static_assert(sizeof(Light) == 80);
buf.append(&light, sizeof(Light));
++addedLights;
}
constexpr Light emptyLight{};
for (int li = addedLights; li < GX::MaxLights; ++li) {
buf.append(&emptyLight, sizeof(Light));
}
}
}
for (int i = 0; i < info.sampledKColors.size(); ++i) {
if (!info.sampledKColors.test(i)) {
continue;
}
buf.append(&g_gxState.kcolors[i], 16);
}
for (int i = 0; i < info.usesTexMtx.size(); ++i) {
if (!info.usesTexMtx.test(i)) {
continue;
}
switch (info.texMtxTypes[i]) {
case GX::TG_MTX2x4:
if (std::holds_alternative<Mat4x2<float>>(g_gxState.texMtxs[i])) {
buf.append(&std::get<Mat4x2<float>>(g_gxState.texMtxs[i]), 32);
} else {
Log.report(logvisor::Fatal, FMT_STRING("expected 2x4 mtx in idx {}"), i);
unreachable();
}
break;
case GX::TG_MTX3x4:
if (std::holds_alternative<Mat4x4<float>>(g_gxState.texMtxs[i])) {
const auto& mat = std::get<Mat4x4<float>>(g_gxState.texMtxs[i]);
buf.append(&mat, 64);
} else {
Log.report(logvisor::Fatal, FMT_STRING("expected 3x4 mtx in idx {}"), i);
buf.append(&Mat4x4_Identity, 64);
}
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("unhandled tex mtx type {}"), info.texMtxTypes[i]);
unreachable();
}
}
for (int i = 0; i < info.usesPTTexMtx.size(); ++i) {
if (!info.usesPTTexMtx.test(i)) {
continue;
}
buf.append(&g_gxState.ptTexMtxs[i], 64);
}
if (info.usesFog) {
const auto& state = g_gxState.fog;
struct Fog {
zeus::CColor color = state.color;
float a = 0.f;
float b = 0.5f;
float c = 0.f;
float pad = FLT_MAX;
} fog{};
static_assert(sizeof(Fog) == 32);
if (state.nearZ != state.farZ && state.startZ != state.endZ) {
const float depthRange = state.farZ - state.nearZ;
const float fogRange = state.endZ - state.startZ;
fog.a = (state.farZ * state.nearZ) / (depthRange * fogRange);
fog.b = state.farZ / depthRange;
fog.c = state.startZ / fogRange;
}
buf.append(&fog, 32);
}
for (int i = 0; i < info.sampledTextures.size(); ++i) {
if (!info.sampledTextures.test(i)) {
continue;
}
const auto& tex = get_texture(static_cast<GX::TexMapID>(i));
if (!tex) {
Log.report(logvisor::Fatal, FMT_STRING("unbound texture {}"), i);
unreachable();
}
buf.append(&tex.texObj.lodBias, 4);
}
return range;
}
static absl::flat_hash_map<u32, wgpu::BindGroupLayout> sUniformBindGroupLayouts;
static absl::flat_hash_map<u32, std::pair<wgpu::BindGroupLayout, wgpu::BindGroupLayout>> sTextureBindGroupLayouts;
GXBindGroups build_bind_groups(const ShaderInfo& info, const ShaderConfig& config,
const BindGroupRanges& ranges) noexcept {
const auto layouts = build_bind_group_layouts(info, config);
const std::array uniformEntries{
wgpu::BindGroupEntry{
.binding = 0,
.buffer = g_uniformBuffer,
.size = info.uniformSize,
},
// Vertices
wgpu::BindGroupEntry{
.binding = 1,
.buffer = g_storageBuffer,
.size = ranges.vtxDataRange.size,
},
// Normals
wgpu::BindGroupEntry{
.binding = 2,
.buffer = g_storageBuffer,
.size = ranges.nrmDataRange.size,
},
// Packed UVs
wgpu::BindGroupEntry{
.binding = 3,
.buffer = g_storageBuffer,
.size = ranges.packedTcDataRange.size,
},
// UVs
wgpu::BindGroupEntry{
.binding = 4,
.buffer = g_storageBuffer,
.size = ranges.tcDataRange.size,
},
};
std::array<wgpu::BindGroupEntry, MaxTextures> samplerEntries;
std::array<wgpu::BindGroupEntry, MaxTextures * 2> textureEntries;
u32 samplerCount = 0;
u32 textureCount = 0;
for (u32 i = 0; i < info.sampledTextures.size(); ++i) {
if (!info.sampledTextures.test(i)) {
continue;
}
const auto& tex = g_gxState.textures[i];
if (!tex) {
Log.report(logvisor::Fatal, FMT_STRING("unbound texture {}"), i);
unreachable();
}
samplerEntries[samplerCount] = {
.binding = samplerCount,
.sampler = sampler_ref(tex.get_descriptor()),
};
++samplerCount;
textureEntries[textureCount] = {
.binding = textureCount,
.textureView = tex.texObj.ref->view,
};
++textureCount;
// Load palette
const auto& texConfig = config.textureConfig[i];
if (texConfig.loadFmt == GX::TF_C4 || texConfig.loadFmt == GX::TF_C8 || texConfig.loadFmt == GX::TF_C14X2) {
u32 tlut = tex.texObj.tlut;
if (tlut < GX_TLUT0 || tlut > GX_TLUT7) {
Log.report(logvisor::Fatal, FMT_STRING("tlut out of bounds {}"), tlut);
unreachable();
} else if (!g_gxState.tluts[tlut].ref) {
Log.report(logvisor::Fatal, FMT_STRING("tlut unbound {}"), tlut);
unreachable();
}
textureEntries[textureCount] = {
.binding = textureCount,
.textureView = g_gxState.tluts[tlut].ref->view,
};
++textureCount;
}
}
return {
.uniformBindGroup = bind_group_ref(wgpu::BindGroupDescriptor{
.label = "GX Uniform Bind Group",
.layout = layouts.uniformLayout,
.entryCount = static_cast<uint32_t>(config.indexedAttributeCount > 0 ? uniformEntries.size() : 1),
.entries = uniformEntries.data(),
}),
.samplerBindGroup = bind_group_ref(wgpu::BindGroupDescriptor{
.label = "GX Sampler Bind Group",
.layout = layouts.samplerLayout,
.entryCount = samplerCount,
.entries = samplerEntries.data(),
}),
.textureBindGroup = bind_group_ref(wgpu::BindGroupDescriptor{
.label = "GX Texture Bind Group",
.layout = layouts.textureLayout,
.entryCount = textureCount,
.entries = textureEntries.data(),
}),
};
}
GXBindGroupLayouts build_bind_group_layouts(const ShaderInfo& info, const ShaderConfig& config) noexcept {
GXBindGroupLayouts out;
u32 uniformSizeKey = info.uniformSize + (config.indexedAttributeCount > 0 ? 1 : 0);
const auto uniformIt = sUniformBindGroupLayouts.find(uniformSizeKey);
if (uniformIt != sUniformBindGroupLayouts.end()) {
out.uniformLayout = uniformIt->second;
} else {
const std::array uniformLayoutEntries{
wgpu::BindGroupLayoutEntry{
.binding = 0,
.visibility = wgpu::ShaderStage::Vertex | wgpu::ShaderStage::Fragment,
.buffer =
wgpu::BufferBindingLayout{
.type = wgpu::BufferBindingType::Uniform,
.hasDynamicOffset = true,
.minBindingSize = info.uniformSize,
},
},
wgpu::BindGroupLayoutEntry{
.binding = 1,
.visibility = wgpu::ShaderStage::Vertex,
.buffer =
{
.type = wgpu::BufferBindingType::ReadOnlyStorage,
.hasDynamicOffset = true,
},
},
wgpu::BindGroupLayoutEntry{
.binding = 2,
.visibility = wgpu::ShaderStage::Vertex,
.buffer =
{
.type = wgpu::BufferBindingType::ReadOnlyStorage,
.hasDynamicOffset = true,
},
},
wgpu::BindGroupLayoutEntry{
.binding = 3,
.visibility = wgpu::ShaderStage::Vertex,
.buffer =
{
.type = wgpu::BufferBindingType::ReadOnlyStorage,
.hasDynamicOffset = true,
},
},
wgpu::BindGroupLayoutEntry{
.binding = 4,
.visibility = wgpu::ShaderStage::Vertex,
.buffer =
{
.type = wgpu::BufferBindingType::ReadOnlyStorage,
.hasDynamicOffset = true,
},
},
};
const auto uniformLayoutDescriptor = wgpu::BindGroupLayoutDescriptor{
.label = "GX Uniform Bind Group Layout",
.entryCount = static_cast<uint32_t>(config.indexedAttributeCount > 0 ? uniformLayoutEntries.size() : 1),
.entries = uniformLayoutEntries.data(),
};
out.uniformLayout = g_device.CreateBindGroupLayout(&uniformLayoutDescriptor);
sUniformBindGroupLayouts.try_emplace(uniformSizeKey, out.uniformLayout);
}
// u32 textureCount = info.sampledTextures.count();
// const auto textureIt = sTextureBindGroupLayouts.find(textureCount);
// if (textureIt != sTextureBindGroupLayouts.end()) {
// const auto& [sl, tl] = textureIt->second;
// out.samplerLayout = sl;
// out.textureLayout = tl;
// } else {
u32 numSamplers = 0;
u32 numTextures = 0;
std::array<wgpu::BindGroupLayoutEntry, MaxTextures> samplerEntries;
std::array<wgpu::BindGroupLayoutEntry, MaxTextures * 2> textureEntries;
for (u32 i = 0; i < info.sampledTextures.size(); ++i) {
if (!info.sampledTextures.test(i)) {
continue;
}
samplerEntries[numSamplers] = {
.binding = numSamplers,
.visibility = wgpu::ShaderStage::Fragment,
.sampler = {.type = wgpu::SamplerBindingType::Filtering},
};
++numSamplers;
const auto& texConfig = config.textureConfig[i];
if (texConfig.loadFmt == GX::TF_C4 || texConfig.loadFmt == GX::TF_C8 || texConfig.loadFmt == GX::TF_C14X2) {
bool isPaletted =
texConfig.copyFmt == GX::TF_C4 || texConfig.copyFmt == GX::TF_C8 || texConfig.loadFmt == GX::TF_C14X2;
textureEntries[numTextures] = {
.binding = numTextures,
.visibility = wgpu::ShaderStage::Fragment,
.texture =
{
.sampleType = isPaletted ? wgpu::TextureSampleType::Sint : wgpu::TextureSampleType::Float,
.viewDimension = wgpu::TextureViewDimension::e2D,
},
};
++numTextures;
textureEntries[numTextures] = {
.binding = numTextures,
.visibility = wgpu::ShaderStage::Fragment,
.texture =
{
.sampleType = wgpu::TextureSampleType::Float,
.viewDimension = wgpu::TextureViewDimension::e2D,
},
};
++numTextures;
} else {
textureEntries[numTextures] = {
.binding = numTextures,
.visibility = wgpu::ShaderStage::Fragment,
.texture =
{
.sampleType = wgpu::TextureSampleType::Float,
.viewDimension = wgpu::TextureViewDimension::e2D,
},
};
++numTextures;
}
}
{
const wgpu::BindGroupLayoutDescriptor descriptor{
.label = "GX Sampler Bind Group Layout",
.entryCount = numSamplers,
.entries = samplerEntries.data(),
};
out.samplerLayout = g_device.CreateBindGroupLayout(&descriptor);
}
{
const wgpu::BindGroupLayoutDescriptor descriptor{
.label = "GX Texture Bind Group Layout",
.entryCount = numTextures,
.entries = textureEntries.data(),
};
out.textureLayout = g_device.CreateBindGroupLayout(&descriptor);
}
// sTextureBindGroupLayouts.try_emplace(textureCount, out.samplerLayout, out.textureLayout);
// }
return out;
}
// TODO this is awkward
extern absl::flat_hash_map<ShaderRef, std::pair<wgpu::ShaderModule, gx::ShaderInfo>> g_gxCachedShaders;
void shutdown() noexcept {
// TODO we should probably store this all in g_state.gx instead
sUniformBindGroupLayouts.clear();
sTextureBindGroupLayouts.clear();
for (auto& item : g_gxState.textures) {
item.texObj.ref.reset();
}
for (auto& item : g_gxState.tluts) {
item.ref.reset();
}
g_gxCachedShaders.clear();
}
static wgpu::AddressMode wgpu_address_mode(GXTexWrapMode mode) {
switch (mode) {
case GX_CLAMP:
return wgpu::AddressMode::ClampToEdge;
case GX_REPEAT:
return wgpu::AddressMode::Repeat;
case GX_MIRROR:
return wgpu::AddressMode::MirrorRepeat;
default:
Log.report(logvisor::Fatal, FMT_STRING("invalid wrap mode {}"), mode);
unreachable();
}
}
static std::pair<wgpu::FilterMode, wgpu::FilterMode> wgpu_filter_mode(GXTexFilter filter) {
switch (filter) {
case GX_NEAR:
return {wgpu::FilterMode::Nearest, wgpu::FilterMode::Linear};
case GX_LINEAR:
return {wgpu::FilterMode::Linear, wgpu::FilterMode::Linear};
case GX_NEAR_MIP_NEAR:
return {wgpu::FilterMode::Nearest, wgpu::FilterMode::Nearest};
case GX_LIN_MIP_NEAR:
return {wgpu::FilterMode::Linear, wgpu::FilterMode::Nearest};
case GX_NEAR_MIP_LIN:
return {wgpu::FilterMode::Nearest, wgpu::FilterMode::Linear};
case GX_LIN_MIP_LIN:
return {wgpu::FilterMode::Linear, wgpu::FilterMode::Linear};
default:
Log.report(logvisor::Fatal, FMT_STRING("invalid filter mode {}"), filter);
unreachable();
}
}
static u16 wgpu_aniso(GXAnisotropy aniso) {
switch (aniso) {
case GX_ANISO_1:
return 1;
case GX_ANISO_2:
return std::max<u16>(g_graphicsConfig.textureAnisotropy / 2, 1);
case GX_ANISO_4:
return std::max<u16>(g_graphicsConfig.textureAnisotropy, 1);
default:
Log.report(logvisor::Fatal, FMT_STRING("invalid aniso mode {}"), aniso);
unreachable();
}
}
wgpu::SamplerDescriptor TextureBind::get_descriptor() const noexcept {
const auto [minFilter, mipFilter] = wgpu_filter_mode(texObj.minFilter);
const auto [magFilter, _] = wgpu_filter_mode(texObj.magFilter);
return {
.label = "Generated Sampler",
.addressModeU = wgpu_address_mode(texObj.wrapS),
.addressModeV = wgpu_address_mode(texObj.wrapT),
.addressModeW = wgpu::AddressMode::Repeat,
.magFilter = magFilter,
.minFilter = minFilter,
.mipmapFilter = mipFilter,
.maxAnisotropy = wgpu_aniso(texObj.maxAniso),
};
}
} // namespace gx
} // namespace aurora::gfx
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