mirror of https://github.com/AxioDL/metaforce.git
522 lines
19 KiB
C++
522 lines
19 KiB
C++
#include "common.hpp"
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#include "../gpu.hpp"
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#include "gx.hpp"
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#include <unordered_map>
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namespace aurora::gfx::gx {
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using namespace fmt::literals;
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static logvisor::Module Log("aurora::gfx::gx");
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std::unordered_map<ShaderRef, std::pair<wgpu::ShaderModule, gx::ShaderInfo>> g_gxCachedShaders;
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static std::string color_arg_reg(GX::TevColorArg arg, size_t stageIdx, const STevStage& stage, ShaderInfo& info) {
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switch (arg) {
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case GX::CC_CPREV:
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return "prev.rgb";
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case GX::CC_APREV:
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return "prev.a";
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case GX::CC_C0:
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case GX::CC_A0:
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case GX::CC_C1:
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case GX::CC_A1:
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case GX::CC_C2:
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case GX::CC_A2:
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Log.report(logvisor::Fatal, FMT_STRING("TODO {}"), arg);
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unreachable();
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case GX::CC_TEXC: {
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if (stage.texMapId == GX::TEXMAP_NULL) {
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Log.report(logvisor::Fatal, FMT_STRING("unmapped texture for stage {}"), stageIdx);
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unreachable();
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} else if (stage.texMapId < GX::TEXMAP0 || stage.texMapId > GX::TEXMAP7) {
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Log.report(logvisor::Fatal, FMT_STRING("invalid texture {} for stage {}"), stage.texMapId, stageIdx);
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unreachable();
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}
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info.sampledTextures.set(stage.texMapId);
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return fmt::format(FMT_STRING("sampled{}.rgb"), stage.texMapId);
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}
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case GX::CC_TEXA: {
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if (stage.texMapId == GX::TEXMAP_NULL) {
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Log.report(logvisor::Fatal, FMT_STRING("unmapped texture for stage {}"), stageIdx);
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unreachable();
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} else if (stage.texMapId < GX::TEXMAP0 || stage.texMapId > GX::TEXMAP7) {
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Log.report(logvisor::Fatal, FMT_STRING("invalid texture {} for stage {}"), stage.texMapId, stageIdx);
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unreachable();
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}
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info.sampledTextures.set(stage.texMapId);
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return fmt::format(FMT_STRING("sampled{}.a"), stage.texMapId);
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}
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case GX::CC_RASC: {
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if (stage.channelId == GX::COLOR_NULL) {
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Log.report(logvisor::Fatal, FMT_STRING("unmapped color channel for stage {}"), stageIdx);
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unreachable();
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} else if (stage.channelId < GX::COLOR0A0 || stage.channelId > GX::COLOR1A1) {
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Log.report(logvisor::Fatal, FMT_STRING("invalid color channel {} for stage {}"), stage.channelId, stageIdx);
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unreachable();
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}
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u32 idx = stage.channelId - GX::COLOR0A0;
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info.sampledColorChannels.set(idx);
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return fmt::format(FMT_STRING("rast{}.rgb"), idx);
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}
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case GX::CC_RASA: {
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if (stage.channelId == GX::COLOR_NULL) {
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Log.report(logvisor::Fatal, FMT_STRING("unmapped color channel for stage {}"), stageIdx);
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unreachable();
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} else if (stage.channelId < GX::COLOR0A0 || stage.channelId > GX::COLOR1A1) {
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Log.report(logvisor::Fatal, FMT_STRING("invalid color channel {} for stage {}"), stage.channelId, stageIdx);
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unreachable();
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}
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u32 idx = stage.channelId - GX::COLOR0A0;
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info.sampledColorChannels.set(idx);
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return fmt::format(FMT_STRING("rast{}.a"), idx);
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}
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case GX::CC_ONE:
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return "1.0";
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case GX::CC_HALF:
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return "0.5";
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case GX::CC_KONST: {
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switch (stage.kcSel) {
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case GX::TEV_KCSEL_8_8:
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return "1.0";
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case GX::TEV_KCSEL_7_8:
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return "(7.0/8.0)";
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case GX::TEV_KCSEL_6_8:
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return "(6.0/8.0)";
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case GX::TEV_KCSEL_5_8:
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return "(5.0/8.0)";
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case GX::TEV_KCSEL_4_8:
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return "(4.0/8.0)";
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case GX::TEV_KCSEL_3_8:
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return "(3.0/8.0)";
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case GX::TEV_KCSEL_2_8:
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return "(2.0/8.0)";
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case GX::TEV_KCSEL_1_8:
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return "(1.0/8.0)";
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case GX::TEV_KCSEL_K0:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.rgb";
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case GX::TEV_KCSEL_K1:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.rgb";
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case GX::TEV_KCSEL_K2:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.rgb";
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case GX::TEV_KCSEL_K3:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.rgb";
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case GX::TEV_KCSEL_K0_R:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.r";
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case GX::TEV_KCSEL_K1_R:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.r";
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case GX::TEV_KCSEL_K2_R:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.r";
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case GX::TEV_KCSEL_K3_R:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.r";
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case GX::TEV_KCSEL_K0_G:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.g";
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case GX::TEV_KCSEL_K1_G:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.g";
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case GX::TEV_KCSEL_K2_G:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.g";
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case GX::TEV_KCSEL_K3_G:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.g";
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case GX::TEV_KCSEL_K0_B:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.b";
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case GX::TEV_KCSEL_K1_B:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.b";
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case GX::TEV_KCSEL_K2_B:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.b";
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case GX::TEV_KCSEL_K3_B:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.b";
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case GX::TEV_KCSEL_K0_A:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.a";
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case GX::TEV_KCSEL_K1_A:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.a";
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case GX::TEV_KCSEL_K2_A:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.a";
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case GX::TEV_KCSEL_K3_A:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.a";
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default:
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Log.report(logvisor::Fatal, FMT_STRING("invalid kcSel {}"), stage.kcSel);
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unreachable();
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}
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}
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case GX::CC_ZERO:
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return "0.0";
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}
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}
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static std::string alpha_arg_reg(GX::TevAlphaArg arg, size_t stageIdx, const STevStage& stage, ShaderInfo& info) {
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switch (arg) {
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case GX::CA_APREV:
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return "prev.a";
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case GX::CA_A0:
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case GX::CA_A1:
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case GX::CA_A2:
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Log.report(logvisor::Fatal, FMT_STRING("TODO {}"), arg);
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unreachable();
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case GX::CA_TEXA: {
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if (stage.texMapId == GX::TEXMAP_NULL) {
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Log.report(logvisor::Fatal, FMT_STRING("unmapped texture for stage {}"), stageIdx);
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unreachable();
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} else if (stage.texMapId < GX::TEXMAP0 || stage.texMapId > GX::TEXMAP7) {
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Log.report(logvisor::Fatal, FMT_STRING("invalid texture {} for stage {}"), stage.texMapId, stageIdx);
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unreachable();
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}
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info.sampledTextures.set(stage.texMapId);
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return fmt::format(FMT_STRING("sampled{}.a"), stage.texMapId);
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}
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case GX::CA_RASA: {
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if (stage.channelId == GX::COLOR_NULL) {
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Log.report(logvisor::Fatal, FMT_STRING("unmapped color channel for stage {}"), stageIdx);
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unreachable();
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} else if (stage.channelId < GX::COLOR0A0 || stage.channelId > GX::COLOR1A1) {
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Log.report(logvisor::Fatal, FMT_STRING("invalid color channel {} for stage {}"), stage.channelId, stageIdx);
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unreachable();
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}
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u32 idx = stage.channelId - GX::COLOR0A0;
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info.sampledColorChannels.set(idx);
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return fmt::format(FMT_STRING("rast{}.a"), idx);
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}
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case GX::CA_KONST: {
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switch (stage.kaSel) {
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case GX::TEV_KASEL_8_8:
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return "1.0";
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case GX::TEV_KASEL_7_8:
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return "(7.0/8.0)";
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case GX::TEV_KASEL_6_8:
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return "(6.0/8.0)";
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case GX::TEV_KASEL_5_8:
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return "(5.0/8.0)";
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case GX::TEV_KASEL_4_8:
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return "(4.0/8.0)";
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case GX::TEV_KASEL_3_8:
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return "(3.0/8.0)";
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case GX::TEV_KASEL_2_8:
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return "(2.0/8.0)";
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case GX::TEV_KASEL_1_8:
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return "(1.0/8.0)";
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case GX::TEV_KASEL_K0_R:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.r";
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case GX::TEV_KASEL_K1_R:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.r";
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case GX::TEV_KASEL_K2_R:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.r";
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case GX::TEV_KASEL_K3_R:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.r";
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case GX::TEV_KASEL_K0_G:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.g";
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case GX::TEV_KASEL_K1_G:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.g";
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case GX::TEV_KASEL_K2_G:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.g";
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case GX::TEV_KASEL_K3_G:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.g";
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case GX::TEV_KASEL_K0_B:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.b";
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case GX::TEV_KASEL_K1_B:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.b";
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case GX::TEV_KASEL_K2_B:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.b";
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case GX::TEV_KASEL_K3_B:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.b";
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case GX::TEV_KASEL_K0_A:
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info.sampledKcolors.set(0);
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return "ubuf.kcolor0.a";
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case GX::TEV_KASEL_K1_A:
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info.sampledKcolors.set(1);
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return "ubuf.kcolor1.a";
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case GX::TEV_KASEL_K2_A:
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info.sampledKcolors.set(2);
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return "ubuf.kcolor2.a";
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case GX::TEV_KASEL_K3_A:
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info.sampledKcolors.set(3);
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return "ubuf.kcolor3.a";
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default:
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Log.report(logvisor::Fatal, FMT_STRING("invalid kaSel {}"), stage.kaSel);
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unreachable();
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}
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}
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case GX::CA_ZERO:
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return "0.0";
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}
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}
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static std::string_view tev_op(GX::TevOp op) {
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switch (op) {
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case GX::TEV_ADD:
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return "+";
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case GX::TEV_SUB:
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return "-";
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default:
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Log.report(logvisor::Fatal, FMT_STRING("TODO {}"), op);
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unreachable();
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}
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}
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static std::string_view tev_bias(GX::TevBias bias) {
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switch (bias) {
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case GX::TB_ZERO:
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return " + 0.0";
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case GX::TB_ADDHALF:
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return " + 0.5";
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case GX::TB_SUBHALF:
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return " - 0.5";
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}
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}
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static std::string_view tev_scale(GX::TevScale scale) {
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switch (scale) {
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case GX::CS_SCALE_1:
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return " * 1.0";
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case GX::CS_SCALE_2:
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return " * 2.0";
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case GX::CS_SCALE_4:
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return " * 4.0";
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case GX::CS_DIVIDE_2:
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return " / 2.0";
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}
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}
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std::pair<wgpu::ShaderModule, ShaderInfo> build_shader(const ShaderConfig& config) noexcept {
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const auto hash = xxh3_hash(config);
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if (g_gxCachedShaders.contains(hash)) {
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return g_gxCachedShaders[hash];
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}
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Log.report(logvisor::Info, FMT_STRING("Shader config (hash {:x}):"), hash);
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{
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for (int i = 0; i < config.tevStages.size(); ++i) {
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const auto& stage = config.tevStages[i];
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if (!stage) {
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break;
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}
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Log.report(logvisor::Info, FMT_STRING(" tevStages[{}]:"), i);
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Log.report(logvisor::Info, FMT_STRING(" color_a: {}"), stage->colorPass.x0_a);
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Log.report(logvisor::Info, FMT_STRING(" color_b: {}"), stage->colorPass.x4_b);
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Log.report(logvisor::Info, FMT_STRING(" color_c: {}"), stage->colorPass.x8_c);
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Log.report(logvisor::Info, FMT_STRING(" color_d: {}"), stage->colorPass.xc_d);
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Log.report(logvisor::Info, FMT_STRING(" alpha_a: {}"), stage->alphaPass.x0_a);
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Log.report(logvisor::Info, FMT_STRING(" alpha_b: {}"), stage->alphaPass.x4_b);
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Log.report(logvisor::Info, FMT_STRING(" alpha_c: {}"), stage->alphaPass.x8_c);
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Log.report(logvisor::Info, FMT_STRING(" alpha_d: {}"), stage->alphaPass.xc_d);
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Log.report(logvisor::Info, FMT_STRING(" color_op_clamp: {}"), stage->colorOp.x0_clamp);
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Log.report(logvisor::Info, FMT_STRING(" color_op_op: {}"), stage->colorOp.x4_op);
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Log.report(logvisor::Info, FMT_STRING(" color_op_bias: {}"), stage->colorOp.x8_bias);
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Log.report(logvisor::Info, FMT_STRING(" color_op_scale: {}"), stage->colorOp.xc_scale);
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Log.report(logvisor::Info, FMT_STRING(" color_op_reg_id: {}"), stage->colorOp.x10_regId);
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Log.report(logvisor::Info, FMT_STRING(" alpha_op_clamp: {}"), stage->alphaOp.x0_clamp);
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Log.report(logvisor::Info, FMT_STRING(" alpha_op_op: {}"), stage->alphaOp.x4_op);
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Log.report(logvisor::Info, FMT_STRING(" alpha_op_bias: {}"), stage->alphaOp.x8_bias);
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Log.report(logvisor::Info, FMT_STRING(" alpha_op_scale: {}"), stage->alphaOp.xc_scale);
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Log.report(logvisor::Info, FMT_STRING(" alpha_op_reg_id: {}"), stage->alphaOp.x10_regId);
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Log.report(logvisor::Info, FMT_STRING(" kc_sel: {}"), stage->kcSel);
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Log.report(logvisor::Info, FMT_STRING(" ka_sel: {}"), stage->kaSel);
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Log.report(logvisor::Info, FMT_STRING(" texCoordId: {}"), stage->texCoordId);
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Log.report(logvisor::Info, FMT_STRING(" texMapId: {}"), stage->texMapId);
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Log.report(logvisor::Info, FMT_STRING(" channelId: {}"), stage->channelId);
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}
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for (int i = 0; i < config.channelMatSrcs.size(); ++i) {
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Log.report(logvisor::Info, FMT_STRING(" channelMatSrcs[{}]: {}"), i, config.channelMatSrcs[i]);
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}
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Log.report(logvisor::Info, FMT_STRING(" alphaDiscard: {}"), config.alphaDiscard);
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Log.report(logvisor::Info, FMT_STRING(" denormalizedVertexAttributes: {}"), config.denormalizedVertexAttributes);
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}
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std::string uniBufAttrs;
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std::string sampBindings;
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std::string texBindings;
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std::string vtxOutAttrs;
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std::string vtxInAttrs;
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std::string vtxXfrAttrs;
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size_t locIdx = 0;
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// TODO
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// if (config.denormalizedNorm) {
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// vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) nrm: vec3<f32>;"), locIdx);
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// vtxInAttrs += fmt::format(FMT_STRING("\n , @location({}) in_nrm: vec3<f32>"), ++locIdx);
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// vtxXfrAttrs += fmt::format(FMT_STRING("\n out.nrm = in_nrm;"));
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// }
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ShaderInfo info{
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.uniformSize = 64, // MVP MTX
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};
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std::string fragmentFnPre;
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std::string fragmentFn;
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for (size_t idx = 0; const auto& stage : config.tevStages) {
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if (!stage) {
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break;
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}
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{
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std::string outReg;
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switch (stage->colorOp.x10_regId) {
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case GX::TevRegID::TEVPREV:
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outReg = "prev";
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break;
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default:
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Log.report(logvisor::Fatal, FMT_STRING("TODO: colorOp outReg {}"), stage->colorOp.x10_regId);
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}
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std::string op =
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fmt::format(FMT_STRING("({3} {4} ((1.0 - {2}) * {0} + {2} * {1}){5}){6}"),
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color_arg_reg(stage->colorPass.x0_a, idx, *stage, info),
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color_arg_reg(stage->colorPass.x4_b, idx, *stage, info),
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color_arg_reg(stage->colorPass.x8_c, idx, *stage, info),
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color_arg_reg(stage->colorPass.xc_d, idx, *stage, info), tev_op(stage->colorOp.x4_op),
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tev_bias(stage->colorOp.x8_bias), tev_scale(stage->colorOp.xc_scale));
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fragmentFn += fmt::format(FMT_STRING("\n {0} = vec4<f32>({1}, {0}.a);"), outReg, op);
|
|
}
|
|
{
|
|
std::string outReg;
|
|
switch (stage->alphaOp.x10_regId) {
|
|
case GX::TevRegID::TEVPREV:
|
|
outReg = "prev.a";
|
|
break;
|
|
default:
|
|
Log.report(logvisor::Fatal, FMT_STRING("TODO: alphaOp outReg {}"), stage->alphaOp.x10_regId);
|
|
}
|
|
std::string op =
|
|
fmt::format(FMT_STRING("({3} {4} ((1.0 - {2}) * {0} + {2} * {1}){5}){6}"),
|
|
alpha_arg_reg(stage->alphaPass.x0_a, idx, *stage, info),
|
|
alpha_arg_reg(stage->alphaPass.x4_b, idx, *stage, info),
|
|
alpha_arg_reg(stage->alphaPass.x8_c, idx, *stage, info),
|
|
alpha_arg_reg(stage->alphaPass.xc_d, idx, *stage, info), tev_op(stage->alphaOp.x4_op),
|
|
tev_bias(stage->alphaOp.x8_bias), tev_scale(stage->alphaOp.xc_scale));
|
|
fragmentFn += fmt::format(FMT_STRING("\n {0} = {1};"), outReg, op);
|
|
}
|
|
idx++;
|
|
}
|
|
for (int i = 0; i < info.sampledColorChannels.size(); ++i) {
|
|
if (!info.sampledColorChannels.test(i)) {
|
|
continue;
|
|
}
|
|
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n cc{0}_amb: vec4<f32>;"), i);
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n cc{0}_mat: vec4<f32>;"), i); // TODO not needed for SRC_VTX
|
|
info.uniformSize += 32;
|
|
|
|
if (config.channelMatSrcs[i] == GX::SRC_VTX) {
|
|
if (config.denormalizedVertexAttributes) {
|
|
if (!info.usesVtxColor) {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) clr: vec4<f32>;"), locIdx);
|
|
vtxInAttrs += fmt::format(FMT_STRING("\n , @location({}) in_clr: vec4<f32>"), ++locIdx);
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n out.clr = in_clr;"));
|
|
}
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{} = in.clr; // TODO lighting"), i);
|
|
} else {
|
|
Log.report(logvisor::Fatal, FMT_STRING("Don't know how to do this yet")); // TODO
|
|
}
|
|
info.usesVtxColor = true;
|
|
} else {
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{0} = ubuf.cc{0}_mat; // TODO lighting"), i);
|
|
}
|
|
}
|
|
for (int i = 0; i < info.sampledKcolors.size(); ++i) {
|
|
if (!info.sampledKcolors.test(i)) {
|
|
continue;
|
|
}
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n kcolor{}: vec4<f32>;"), i);
|
|
info.uniformSize += 16;
|
|
}
|
|
for (int i = 0; i < info.sampledTextures.size(); ++i) {
|
|
if (!info.sampledTextures.test(i)) {
|
|
continue;
|
|
}
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n tex{}_lod: f32;"), i);
|
|
info.uniformSize += 4;
|
|
|
|
sampBindings += fmt::format(FMT_STRING("\n@group(1) @binding({0})\n"
|
|
"var tex{0}_samp: sampler;"),
|
|
i);
|
|
texBindings += fmt::format(FMT_STRING("\n@group(2) @binding({0})\n"
|
|
"var tex{0}: texture_2d<f32>;"),
|
|
i);
|
|
|
|
if (config.denormalizedVertexAttributes) {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) tex{}_uv: vec2<f32>;"), locIdx, i);
|
|
vtxInAttrs += fmt::format(FMT_STRING("\n , @location({}) in_tex{}_uv: vec2<f32>"), locIdx + 1, i);
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n out.tex{0}_uv = in_tex{0}_uv;"), i);
|
|
} else {
|
|
Log.report(logvisor::Fatal, FMT_STRING("Don't know how to do this yet")); // TODO
|
|
}
|
|
fragmentFnPre += fmt::format(
|
|
FMT_STRING("\n var sampled{0} = textureSampleBias(tex{0}, tex{0}_samp, in.tex{0}_uv, ubuf.tex{0}_lod);"), i);
|
|
locIdx++;
|
|
}
|
|
|
|
const auto shaderSource =
|
|
fmt::format(FMT_STRING(R"""(
|
|
struct Uniform {{
|
|
xf: mat4x4<f32>;{uniBufAttrs}
|
|
}};
|
|
@group(0) @binding(0)
|
|
var<uniform> ubuf: Uniform;{sampBindings}{texBindings}
|
|
|
|
struct VertexOutput {{
|
|
@builtin(position) pos: vec4<f32>;{vtxOutAttrs}
|
|
}};
|
|
|
|
@stage(vertex)
|
|
fn vs_main(
|
|
@location(0) in_pos: vec3<f32>{vtxInAttrs}
|
|
) -> VertexOutput {{
|
|
var out: VertexOutput;
|
|
out.pos = ubuf.xf * vec4<f32>(in_pos, 1.0);{vtxXfrAttrs}
|
|
return out;
|
|
}}
|
|
|
|
@stage(fragment)
|
|
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {{
|
|
var prev: vec4<f32>;{fragmentFnPre}{fragmentFn}
|
|
return prev;
|
|
}}
|
|
)"""),
|
|
"uniBufAttrs"_a = uniBufAttrs, "sampBindings"_a = sampBindings, "texBindings"_a = texBindings,
|
|
"vtxOutAttrs"_a = vtxOutAttrs, "vtxInAttrs"_a = vtxInAttrs, "vtxXfrAttrs"_a = vtxXfrAttrs,
|
|
"fragmentFn"_a = fragmentFn, "fragmentFnPre"_a = fragmentFnPre);
|
|
Log.report(logvisor::Info, FMT_STRING("Generated shader: {}"), shaderSource);
|
|
|
|
wgpu::ShaderModuleWGSLDescriptor wgslDescriptor{};
|
|
wgslDescriptor.source = shaderSource.c_str();
|
|
const auto shaderDescriptor = wgpu::ShaderModuleDescriptor{
|
|
.nextInChain = &wgslDescriptor,
|
|
.label = "GX Shader",
|
|
};
|
|
auto shader = gpu::g_device.CreateShaderModule(&shaderDescriptor);
|
|
|
|
info.uniformSize = align_uniform(info.uniformSize);
|
|
const auto pair = std::make_pair(std::move(shader), info);
|
|
g_gxCachedShaders.emplace(hash, pair);
|
|
|
|
return pair;
|
|
}
|
|
} // namespace aurora::gfx::gx
|