mirror of https://github.com/AxioDL/metaforce.git
236 lines
8.9 KiB
C++
236 lines
8.9 KiB
C++
#include "shader.hpp"
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#include "../../gpu.hpp"
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#include "../common.hpp"
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#include <aurora/model.hpp>
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#include <magic_enum.hpp>
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enum class VtxDescAttr : u8 {
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Position = 0,
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Normal = 2,
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Color0 = 4,
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Color1 = 6,
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Tex0 = 8,
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Tex1 = 10,
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Tex2 = 12,
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Tex3 = 14,
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Tex4 = 16,
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Tex5 = 18,
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Tex6 = 20,
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PnMatIdx = 24,
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Tex0MatIdx = 25,
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Tex1MatIdx = 26,
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Tex2MatIdx = 27,
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Tex3MatIdx = 28,
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Tex4MatIdx = 29,
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Tex5MatIdx = 30,
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Tex6MatIdx = 31,
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};
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enum class VtxDescAttrType : u8 { None = 0, Direct = 1, Index8 = 2, Index16 = 3 };
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class VtxDescFlags {
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u32 m_flags = 0;
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public:
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constexpr VtxDescFlags() noexcept = default;
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constexpr VtxDescFlags(u32 flags) noexcept : m_flags(flags){};
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[[nodiscard]] constexpr VtxDescAttrType GetAttributeType(VtxDescAttr attribute) const noexcept {
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return VtxDescAttrType((m_flags >> u32(attribute)) & 0x3);
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}
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[[nodiscard]] constexpr VtxDescAttrType GetDirectAttributeType(VtxDescAttr attribute) const noexcept {
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return VtxDescAttrType((m_flags >> u32(attribute)) & 0x1);
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}
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constexpr void SetAttributeType(VtxDescAttr attribute, VtxDescAttrType type) noexcept {
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m_flags &= ~(u32(0x3) << u32(attribute));
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m_flags |= u32(type) << u32(attribute);
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}
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};
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namespace aurora::gfx::model {
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static logvisor::Module Log("aurora::gfx::model");
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static const std::vector<zeus::CVector3f>* vtxData;
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static const std::vector<zeus::CVector3f>* nrmData;
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static const std::vector<Vec2<float>>* tex0TcData;
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static const std::vector<Vec2<float>>* tcData;
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void set_vertex_buffer(const std::vector<zeus::CVector3f>* data) noexcept { vtxData = data; }
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void set_normal_buffer(const std::vector<zeus::CVector3f>* norm) noexcept { nrmData = norm; }
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void set_tex0_tc_buffer(const std::vector<Vec2<float>>* tcs) noexcept { tex0TcData = tcs; }
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void set_tc_buffer(const std::vector<Vec2<float>>* tcs) noexcept { tcData = tcs; }
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enum class VertexFormat : u8 {
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F32F32,
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S16F32,
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S16S16,
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};
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static VtxDescFlags sVtxDescFlags;
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void set_vtx_desc_compressed(u32 vtxDesc) noexcept { sVtxDescFlags = vtxDesc; }
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static inline std::pair<gx::DlVert, size_t> readVert(const u8* data) noexcept {
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gx::DlVert out{};
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size_t offset = 0;
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const auto read8 = [data, &offset](VtxDescAttrType type) -> s8 {
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if (type == VtxDescAttrType::Direct) {
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s8 v = static_cast<s8>(data[offset]);
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++offset;
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return v;
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}
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return 0;
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};
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const auto read16 = [data, &offset](VtxDescAttrType type) -> s16 {
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if (type == VtxDescAttrType::Index16) {
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s16 v = metaforce::SBig(*reinterpret_cast<const u16*>(data + offset));
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offset += 2;
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return v;
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}
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return 0;
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};
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::PnMatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex0MatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex1MatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex2MatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex3MatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex4MatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex5MatIdx));
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read8(sVtxDescFlags.GetDirectAttributeType(VtxDescAttr::Tex6MatIdx));
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out.pos = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Position));
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out.norm = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Normal));
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read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Color0));
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read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Color1));
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out.uvs[0] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex0));
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out.uvs[1] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex1));
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out.uvs[2] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex2));
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out.uvs[3] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex3));
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out.uvs[4] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex4));
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out.uvs[5] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex5));
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out.uvs[6] = read16(sVtxDescFlags.GetAttributeType(VtxDescAttr::Tex6));
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return {out, offset};
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}
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void queue_surface(const u8* dlStart, u32 dlSize) noexcept {
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// Log.report(logvisor::Info, FMT_STRING("DL size {}"), dlSize);
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std::vector<gx::DlVert> verts;
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std::vector<u32> indices;
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size_t offset = 0;
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while (offset < dlSize) {
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const auto header = dlStart[offset];
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const auto primitive = static_cast<GX::Primitive>(header & 0xF8);
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const auto vtxFmt = static_cast<VertexFormat>(header & 0x3);
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const auto vtxCount = metaforce::SBig(*reinterpret_cast<const u16*>(dlStart + offset + 1));
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// Log.report(logvisor::Info, FMT_STRING("DL header prim {}, fmt {}, vtx count {}"), primitive,
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// magic_enum::enum_name(vtxFmt), vtxCount);
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offset += 3;
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if (primitive == 0) {
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break;
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}
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if (primitive != GX::TRIANGLES && primitive != GX::TRIANGLESTRIP && primitive != GX::TRIANGLEFAN) {
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Log.report(logvisor::Fatal, FMT_STRING("queue_surface: unsupported primitive type {}"), primitive);
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unreachable();
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}
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const u32 idxStart = indices.size();
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const u16 vertsStart = verts.size();
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verts.reserve(vertsStart + vtxCount);
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if (vtxCount > 3 && (primitive == GX::TRIANGLEFAN || primitive == GX::TRIANGLESTRIP)) {
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indices.reserve(idxStart + (u32(vtxCount) - 3) * 3 + 3);
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} else {
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indices.reserve(idxStart + vtxCount);
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}
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auto curVert = vertsStart;
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for (int v = 0; v < vtxCount; ++v) {
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const auto [vert, read] = readVert(dlStart + offset);
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verts.push_back(vert);
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offset += read;
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if (primitive == GX::TRIANGLES || v < 3) {
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// pass
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} else if (primitive == GX::TRIANGLEFAN) {
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indices.push_back(vertsStart);
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indices.push_back(curVert - 1);
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} else if (primitive == GX::TRIANGLESTRIP) {
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if ((v & 1) == 0) {
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indices.push_back(curVert - 2);
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indices.push_back(curVert - 1);
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} else {
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indices.push_back(curVert - 1);
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indices.push_back(curVert - 2);
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}
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}
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indices.push_back(curVert);
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++curVert;
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}
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}
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// Log.report(logvisor::Info, FMT_STRING("Read {} verts, {} indices"), verts.size(), indices.size());
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const auto vertRange = push_verts(ArrayRef{verts});
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const auto idxRange = push_indices(ArrayRef{indices});
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const auto sVtxRange = push_storage(reinterpret_cast<const uint8_t*>(vtxData->data()), vtxData->size() * 16);
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const auto sNrmRange = push_storage(reinterpret_cast<const uint8_t*>(nrmData->data()), nrmData->size() * 16);
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const auto sTcRange = push_storage(reinterpret_cast<const uint8_t*>(tcData->data()), tcData->size() * 8);
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Range sPackedTcRange;
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if (tcData == tex0TcData) {
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sPackedTcRange = sTcRange;
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} else {
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sPackedTcRange = push_storage(reinterpret_cast<const uint8_t*>(tex0TcData->data()), tex0TcData->size() * 8);
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}
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model::PipelineConfig config{};
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const gx::BindGroupRanges ranges{
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.vtxDataRange = sVtxRange,
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.nrmDataRange = sNrmRange,
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.tcDataRange = sTcRange,
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.packedTcDataRange = sPackedTcRange,
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};
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const auto info = populate_pipeline_config(config, GX::TRIANGLES, ranges);
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const auto pipeline = pipeline_ref(config);
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push_draw_command(model::DrawData{
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.pipeline = pipeline,
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.vertRange = vertRange,
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.idxRange = idxRange,
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.sVtxRange = sVtxRange,
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.sNrmRange = sNrmRange,
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.sTcRange = sTcRange,
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.sPackedTcRange = sPackedTcRange,
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.uniformRange = build_uniform(info),
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.indexCount = static_cast<uint32_t>(indices.size()),
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.bindGroups = info.bindGroups,
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});
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}
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State construct_state() { return {}; }
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wgpu::RenderPipeline create_pipeline(const State& state, [[maybe_unused]] PipelineConfig config) {
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const auto [shader, info] = build_shader(config.shaderConfig);
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const auto attributes = gpu::utils::make_vertex_attributes(
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std::array{wgpu::VertexFormat::Sint16x2, wgpu::VertexFormat::Sint16x4, wgpu::VertexFormat::Sint16x4});
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const std::array vertexBuffers{gpu::utils::make_vertex_buffer_layout(sizeof(gx::DlVert), attributes)};
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return build_pipeline(config, info, vertexBuffers, shader, "Model Pipeline");
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}
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void render(const State& state, const DrawData& data, const wgpu::RenderPassEncoder& pass) {
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if (!bind_pipeline(data.pipeline, pass)) {
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return;
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}
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const std::array offsets{
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data.uniformRange.first, data.sVtxRange.first, data.sNrmRange.first,
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data.sTcRange.first, data.sPackedTcRange.first,
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};
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pass.SetBindGroup(0, find_bind_group(data.bindGroups.uniformBindGroup), offsets.size(), offsets.data());
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if (data.bindGroups.samplerBindGroup && data.bindGroups.textureBindGroup) {
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pass.SetBindGroup(1, find_bind_group(data.bindGroups.samplerBindGroup));
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pass.SetBindGroup(2, find_bind_group(data.bindGroups.textureBindGroup));
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}
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pass.SetVertexBuffer(0, g_vertexBuffer, data.vertRange.first, data.vertRange.second);
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pass.SetIndexBuffer(g_indexBuffer, wgpu::IndexFormat::Uint32, data.idxRange.first, data.idxRange.second);
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pass.DrawIndexed(data.indexCount);
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}
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} // namespace aurora::gfx::model
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