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aurora: GX Stream API, VtxDesc, TevSwap & more

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This commit is contained in:
Luke Street
2022-03-19 13:30:25 -04:00
parent ecb4645e89
commit b9b635b311
17 changed files with 1024 additions and 696 deletions
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187
Runtime/Graphics/CGraphics.cpp
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@@ -59,9 +59,16 @@ const std::array<zeus::CMatrix3f, 6> CGraphics::skCubeBasisMats{{
// Stream API
static EStreamFlags sStreamFlags;
static zeus::CColor sQueuedColor;
static zeus::CVector2f sQueuedTexCoord;
static zeus::CVector3f sQueuedNormal;
static GX::Primitive sStreamPrimitive;
static u32 sVerticesCount;
// Originally writes directly to GX FIFO
struct StreamVertex {
zeus::CColor color;
zeus::CVector2f texCoord;
zeus::CVector3f normal;
zeus::CVector3f vertex;
};
static std::vector<StreamVertex> sQueuedVertices;
void CGraphics::DisableAllLights() {
g_LightActive.reset();
@@ -518,55 +525,102 @@ void CGraphics::SetTevOp(ERglTevStage stage, const CTevCombiners::CTevPass& pass
}
void CGraphics::StreamBegin(GX::Primitive primitive) {
sStreamFlags = {};
aurora::gfx::stream_begin(primitive);
// Originally ResetVertexDataStream(true);
sQueuedVertices.clear();
sQueuedVertices.emplace_back();
sVerticesCount = 0;
// End
sStreamFlags = EStreamFlagBits::fHasColor;
sStreamPrimitive = primitive;
}
void CGraphics::StreamNormal(const zeus::CVector3f& nrm) {
sQueuedNormal = nrm;
sQueuedVertices.back().normal = nrm;
sStreamFlags |= EStreamFlagBits::fHasNormal;
}
void CGraphics::StreamColor(float r, float g, float b, float a) {
sQueuedColor = zeus::CColor{r, g, b, a};
sStreamFlags |= EStreamFlagBits::fHasColor;
}
void CGraphics::StreamColor(const zeus::CColor& color) {
sQueuedColor = color;
sQueuedVertices.back().color = color;
sStreamFlags |= EStreamFlagBits::fHasColor;
}
void CGraphics::StreamTexcoord(float x, float y) {
sQueuedTexCoord = {x, y};
sStreamFlags |= EStreamFlagBits::fHasTexture;
}
void CGraphics::StreamTexcoord(const zeus::CVector2f& uv) {
sQueuedTexCoord = uv;
sQueuedVertices.back().texCoord = uv;
sStreamFlags |= EStreamFlagBits::fHasTexture;
}
void CGraphics::StreamVertex(float xyz) {
const zeus::CVector3f pos{xyz, xyz, xyz};
aurora::gfx::stream_vertex(sStreamFlags, pos, sQueuedNormal, sQueuedColor, sQueuedTexCoord);
}
void CGraphics::StreamVertex(float x, float y, float z) {
const zeus::CVector3f pos{x, y, z};
aurora::gfx::stream_vertex(sStreamFlags, pos, sQueuedNormal, sQueuedColor, sQueuedTexCoord);
}
void CGraphics::StreamVertex(const zeus::CVector3f& pos) {
aurora::gfx::stream_vertex(sStreamFlags, pos, sQueuedNormal, sQueuedColor, sQueuedTexCoord);
sQueuedVertices.back().vertex = pos;
UpdateVertexDataStream();
}
void CGraphics::StreamEnd() {
SetTevStates(sStreamFlags);
aurora::gfx::stream_end();
if (sVerticesCount != 0) {
FlushStream();
}
sStreamFlags = {};
}
void CGraphics::UpdateVertexDataStream() {
++sVerticesCount;
if (sVerticesCount == 240) {
FlushStream();
ResetVertexDataStream(false);
} else {
sQueuedVertices.emplace_back(sQueuedVertices.back());
}
}
void CGraphics::FlushStream() {
std::array<GX::VtxDescList, 5> vtxDescList{};
size_t idx = 0;
vtxDescList[idx++] = {GX::VA_POS, GX::DIRECT};
if (sStreamFlags & EStreamFlagBits::fHasNormal) {
vtxDescList[idx++] = {GX::VA_NRM, GX::DIRECT};
}
if (sStreamFlags & EStreamFlagBits::fHasColor) {
vtxDescList[idx++] = {GX::VA_CLR0, GX::DIRECT};
}
if (sStreamFlags & EStreamFlagBits::fHasTexture) {
vtxDescList[idx++] = {GX::VA_TEX0, GX::DIRECT};
}
CGX::SetVtxDescv(vtxDescList.data());
SetTevStates(sStreamFlags);
FullRender();
}
void CGraphics::FullRender() {
CGX::Begin(sStreamPrimitive, GX::VTXFMT0, sVerticesCount);
for (size_t i = 0; i < sVerticesCount; ++i) {
const auto& item = sQueuedVertices[i];
GXPosition3f32(item.vertex);
if (sStreamFlags & EStreamFlagBits::fHasNormal) {
GXNormal3f32(item.normal);
}
if (sStreamFlags & EStreamFlagBits::fHasColor) {
GXColor4f32(item.color);
}
if (sStreamFlags & EStreamFlagBits::fHasTexture) {
GXTexCoord2f32(item.texCoord);
}
}
CGX::End();
}
void CGraphics::ResetVertexDataStream(bool end) {
if (end) {
sQueuedVertices.clear();
} else {
const auto lastVertex = sQueuedVertices.back();
sQueuedVertices.clear();
sQueuedVertices.emplace_back(lastVertex);
}
sVerticesCount = 0;
if (!end) {
// TODO something with triangle fans
}
}
void CGraphics::DrawPrimitive(GX::Primitive primitive, const zeus::CVector3f* pos, const zeus::CVector3f& normal,
const zeus::CColor& col, s32 numVerts) {
StreamBegin(primitive);
@@ -580,12 +634,12 @@ void CGraphics::DrawPrimitive(GX::Primitive primitive, const zeus::CVector3f* po
void CGraphics::SetTevStates(EStreamFlags flags) noexcept {
if (flags & EStreamFlagBits::fHasTexture) {
CGX::SetNumTexGens(0);
CGX::SetNumTevStages(1);
CGX::SetNumTexGens(1); // sTextureUsed & 3?
CGX::SetTevOrder(GX::TEVSTAGE0, GX::TEXCOORD0, GX::TEXMAP0, GX::COLOR0A0);
CGX::SetTevOrder(GX::TEVSTAGE1, GX::TEXCOORD1, GX::TEXMAP1, GX::COLOR0A0);
} else /* if (flags < 8) ? */ {
CGX::SetNumTexGens(2); // sTextureUsed & 3?
} else {
CGX::SetNumTexGens(0);
CGX::SetNumTevStages(1);
CGX::SetTevOrder(GX::TEVSTAGE0, GX::TEXCOORD_NULL, GX::TEXMAP_NULL, GX::COLOR0A0);
CGX::SetTevOrder(GX::TEVSTAGE1, GX::TEXCOORD_NULL, GX::TEXMAP_NULL, GX::COLOR0A0);
}
@@ -599,4 +653,67 @@ void CGraphics::SetTevStates(EStreamFlags flags) noexcept {
hasLights ? GX::DF_CLAMP : GX::DF_NONE, hasLights ? GX::AF_SPOT : GX::AF_NONE);
CGX::FlushState(); // normally would be handled in FullRender TODO
}
void CGraphics::Startup() {
// Setup GXFifo
CGX::ResetGXStates();
InitGraphicsVariables();
// ConfigureFrameBuffer(...);
InitGraphicsDefaults();
// GXInitTexCacheRegion
// GXSetTexRegionCallback
}
void CGraphics::InitGraphicsVariables() {
// g_lightTypes[0..n] = Directional;
g_LightActive = {};
SetDepthWriteMode(false, g_depthFunc, false);
SetCullMode(ERglCullMode::None);
SetAmbientColor(zeus::CColor{0.2f, 1.f});
g_IsGXModelMatrixIdentity = false;
// SetIdentityViewPointMatrix();
// SetIdentityModelMatrix();
// SetViewport(...);
// SetPerspective(...);
SetCopyClear(g_ClearColor, 1.f);
CGX::SetChanMatColor(CGX::EChannelId::Channel0, zeus::skWhite);
// g_RenderState.ResetFlushAll();
}
void CGraphics::InitGraphicsDefaults() {
SetDepthRange(0.f, 1.f);
g_IsGXModelMatrixIdentity = false;
SetModelMatrix(g_GXModelMatrix);
SetViewPointMatrix(g_GXModelView);
SetDepthWriteMode(false, g_depthFunc, false);
SetCullMode(g_cullMode);
SetViewport(g_Viewport.x0_left, g_Viewport.x4_top, g_Viewport.x8_width, g_Viewport.xc_height);
FlushProjection();
CTevCombiners::Init();
DisableAllLights();
SetDefaultVtxAttrFmt();
}
void CGraphics::SetDefaultVtxAttrFmt() {
// Unneeded, all attributes are expected to be full floats
// Left here for reference
// GXSetVtxAttrFmt(GX::VTXFMT0, GX::VA_POS, GX::POS_XYZ, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT1, GX::VA_POS, GX::POS_XYZ, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT2, GX::VA_POS, GX::POS_XYZ, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT0, GX::VA_NRM, GX::NRM_XYZ, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT1, GX::VA_NRM, GX::NRM_XYZ, GX::S16, 14);
// GXSetVtxAttrFmt(GX::VTXFMT2, GX::VA_NRM, GX::NRM_XYZ, GX::S16, 14);
// GXSetVtxAttrFmt(GX::VTXFMT0, GX::VA_CLR0, GX::CLR_RGBA, GX::RGBA8, 0);
// GXSetVtxAttrFmt(GX::VTXFMT1, GX::VA_CLR0, GX::CLR_RGBA, GX::RGBA8, 0);
// GXSetVtxAttrFmt(GX::VTXFMT2, GX::VA_CLR0, GX::CLR_RGBA, GX::RGBA8, 0);
// GXSetVtxAttrFmt(GX::VTXFMT0, GX::VA_TEX0, GX::TEX_ST, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT1, GX::VA_TEX0, GX::TEX_ST, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT2, GX::VA_TEX0, GX::TEX_ST, GX::U16, 15);
// for (GX::Attr attr = GX::VA_TEX1; attr <= GX::VA_TEX7; attr = GX::Attr(attr + 1)) {
// GXSetVtxAttrFmt(GX::VTXFMT0, attr, GX::TEX_ST, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT1, attr, GX::TEX_ST, GX::F32, 0);
// GXSetVtxAttrFmt(GX::VTXFMT2, attr, GX::TEX_ST, GX::F32, 0);
// }
}
} // namespace metaforce