mirror of https://github.com/encounter/aurora.git
1350 lines
49 KiB
C++
1350 lines
49 KiB
C++
#include "common.hpp"
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#include "../webgpu/gpu.hpp"
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#include "gx.hpp"
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#include <absl/container/flat_hash_map.h>
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constexpr bool EnableNormalVisualization = false;
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constexpr bool EnableDebugPrints = false;
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constexpr bool UsePerPixelLighting = true;
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namespace aurora::gfx::gx {
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using namespace fmt::literals;
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using namespace std::string_literals;
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using namespace std::string_view_literals;
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static Module Log("aurora::gfx::gx");
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absl::flat_hash_map<ShaderRef, std::pair<wgpu::ShaderModule, gx::ShaderInfo>> g_gxCachedShaders;
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#ifndef NDEBUG
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static absl::flat_hash_map<ShaderRef, gx::ShaderConfig> g_gxCachedShaderConfigs;
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#endif
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static inline std::string_view chan_comp(GXTevColorChan chan) noexcept {
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switch (chan) {
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case GX_CH_RED:
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return "r";
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case GX_CH_GREEN:
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return "g";
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case GX_CH_BLUE:
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return "b";
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case GX_CH_ALPHA:
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return "a";
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default:
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return "?";
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}
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}
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static void color_arg_reg_info(GXTevColorArg arg, const TevStage& stage, ShaderInfo& info) {
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switch (arg) {
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case GX_CC_CPREV:
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case GX_CC_APREV:
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if (!info.writesTevReg.test(GX_TEVPREV)) {
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info.loadsTevReg.set(GX_TEVPREV);
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}
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break;
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case GX_CC_C0:
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case GX_CC_A0:
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if (!info.writesTevReg.test(GX_TEVREG0)) {
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info.loadsTevReg.set(GX_TEVREG0);
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}
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break;
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case GX_CC_C1:
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case GX_CC_A1:
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if (!info.writesTevReg.test(GX_TEVREG1)) {
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info.loadsTevReg.set(GX_TEVREG1);
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}
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break;
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case GX_CC_C2:
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case GX_CC_A2:
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if (!info.writesTevReg.test(GX_TEVREG2)) {
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info.loadsTevReg.set(GX_TEVREG2);
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}
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break;
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case GX_CC_TEXC:
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case GX_CC_TEXA:
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CHECK(stage.texCoordId != GX_TEXCOORD_NULL, "tex coord not bound");
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CHECK(stage.texMapId != GX_TEXMAP_NULL, "tex map not bound");
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info.sampledTexCoords.set(stage.texCoordId);
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info.sampledTextures.set(stage.texMapId);
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break;
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case GX_CC_RASC:
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case GX_CC_RASA:
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if (stage.channelId >= GX_COLOR0A0 && stage.channelId <= GX_COLOR1A1) {
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info.sampledColorChannels.set(stage.channelId - GX_COLOR0A0);
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}
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break;
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case GX_CC_KONST:
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switch (stage.kcSel) {
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case GX_TEV_KCSEL_K0:
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case GX_TEV_KCSEL_K0_R:
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case GX_TEV_KCSEL_K0_G:
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case GX_TEV_KCSEL_K0_B:
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case GX_TEV_KCSEL_K0_A:
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info.sampledKColors.set(0);
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break;
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case GX_TEV_KCSEL_K1:
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case GX_TEV_KCSEL_K1_R:
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case GX_TEV_KCSEL_K1_G:
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case GX_TEV_KCSEL_K1_B:
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case GX_TEV_KCSEL_K1_A:
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info.sampledKColors.set(1);
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break;
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case GX_TEV_KCSEL_K2:
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case GX_TEV_KCSEL_K2_R:
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case GX_TEV_KCSEL_K2_G:
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case GX_TEV_KCSEL_K2_B:
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case GX_TEV_KCSEL_K2_A:
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info.sampledKColors.set(2);
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break;
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case GX_TEV_KCSEL_K3:
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case GX_TEV_KCSEL_K3_R:
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case GX_TEV_KCSEL_K3_G:
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case GX_TEV_KCSEL_K3_B:
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case GX_TEV_KCSEL_K3_A:
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info.sampledKColors.set(3);
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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static bool formatHasAlpha(u32 format) {
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switch (format) {
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case GX_TF_IA4:
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case GX_TF_IA8:
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case GX_TF_RGB5A3:
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case GX_TF_RGBA8:
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case GX_TF_CMPR:
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case GX_CTF_RA4:
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case GX_CTF_RA8:
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case GX_CTF_YUVA8:
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case GX_CTF_A8:
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case GX_TF_RGBA8_PC:
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return true;
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default:
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return false;
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}
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}
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static std::string color_arg_reg(GXTevColorArg arg, size_t stageIdx, const ShaderConfig& config,
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const TevStage& stage) {
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switch (arg) {
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DEFAULT_FATAL("invalid color arg {}", static_cast<int>(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 "vec3<f32>(prev.a)";
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case GX_CC_C0:
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return "tevreg0.rgb";
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case GX_CC_A0:
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return "vec3<f32>(tevreg0.a)";
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case GX_CC_C1:
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return "tevreg1.rgb";
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case GX_CC_A1:
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return "vec3<f32>(tevreg1.a)";
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case GX_CC_C2:
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return "tevreg2.rgb";
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case GX_CC_A2:
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return "vec3<f32>(tevreg2.a)";
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case GX_CC_TEXC: {
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CHECK(stage.texMapId != GX_TEXMAP_NULL, "unmapped texture for stage {}", stageIdx);
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CHECK(stage.texMapId >= GX_TEXMAP0 && stage.texMapId <= GX_TEXMAP7, "invalid texture {} for stage {}",
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static_cast<int>(stage.texMapId), stageIdx);
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const auto& swap = config.tevSwapTable[stage.tevSwapTex];
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return fmt::format(FMT_STRING("sampled{}.{}{}{}"), stageIdx, chan_comp(swap.red), chan_comp(swap.green),
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chan_comp(swap.blue));
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}
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case GX_CC_TEXA: {
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CHECK(stage.texMapId != GX_TEXMAP_NULL, "unmapped texture for stage {}", stageIdx);
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CHECK(stage.texMapId >= GX_TEXMAP0 && stage.texMapId <= GX_TEXMAP7, "invalid texture {} for stage {}",
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static_cast<int>(stage.texMapId), stageIdx);
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const auto& swap = config.tevSwapTable[stage.tevSwapTex];
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return fmt::format(FMT_STRING("vec3<f32>(sampled{}.{})"), stageIdx, chan_comp(swap.alpha));
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}
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case GX_CC_RASC: {
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CHECK(stage.channelId != GX_COLOR_NULL, "unmapped color channel for stage {}", stageIdx);
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if (stage.channelId == GX_COLOR_ZERO) {
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return "vec3<f32>(0.0)";
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}
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CHECK(stage.channelId >= GX_COLOR0A0 && stage.channelId <= GX_COLOR1A1, "invalid color channel {} for stage {}",
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static_cast<int>(stage.channelId), stageIdx);
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u32 idx = stage.channelId - GX_COLOR0A0;
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const auto& swap = config.tevSwapTable[stage.tevSwapRas];
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return fmt::format(FMT_STRING("rast{}.{}{}{}"), idx, chan_comp(swap.red), chan_comp(swap.green),
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chan_comp(swap.blue));
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}
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case GX_CC_RASA: {
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CHECK(stage.channelId != GX_COLOR_NULL, "unmapped color channel for stage {}", stageIdx);
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if (stage.channelId == GX_COLOR_ZERO) {
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return "vec3<f32>(0.0)";
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}
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CHECK(stage.channelId >= GX_COLOR0A0 && stage.channelId <= GX_COLOR1A1, "invalid color channel {} for stage {}",
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static_cast<int>(stage.channelId), stageIdx);
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u32 idx = stage.channelId - GX_COLOR0A0;
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const auto& swap = config.tevSwapTable[stage.tevSwapRas];
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return fmt::format(FMT_STRING("vec3<f32>(rast{}.{})"), idx, chan_comp(swap.alpha));
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}
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case GX_CC_ONE:
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return "vec3<f32>(1.0)";
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case GX_CC_HALF:
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return "vec3<f32>(0.5)";
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case GX_CC_KONST: {
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switch (stage.kcSel) {
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DEFAULT_FATAL("invalid kcSel {}", static_cast<int>(stage.kcSel));
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case GX_TEV_KCSEL_8_8:
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return "vec3<f32>(1.0)";
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case GX_TEV_KCSEL_7_8:
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return "vec3<f32>(7.0/8.0)";
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case GX_TEV_KCSEL_6_8:
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return "vec3<f32>(6.0/8.0)";
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case GX_TEV_KCSEL_5_8:
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return "vec3<f32>(5.0/8.0)";
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case GX_TEV_KCSEL_4_8:
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return "vec3<f32>(4.0/8.0)";
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case GX_TEV_KCSEL_3_8:
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return "vec3<f32>(3.0/8.0)";
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case GX_TEV_KCSEL_2_8:
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return "vec3<f32>(2.0/8.0)";
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case GX_TEV_KCSEL_1_8:
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return "vec3<f32>(1.0/8.0)";
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case GX_TEV_KCSEL_K0:
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return "ubuf.kcolor0.rgb";
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case GX_TEV_KCSEL_K1:
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return "ubuf.kcolor1.rgb";
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case GX_TEV_KCSEL_K2:
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return "ubuf.kcolor2.rgb";
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case GX_TEV_KCSEL_K3:
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return "ubuf.kcolor3.rgb";
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case GX_TEV_KCSEL_K0_R:
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return "vec3<f32>(ubuf.kcolor0.r)";
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case GX_TEV_KCSEL_K1_R:
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return "vec3<f32>(ubuf.kcolor1.r)";
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case GX_TEV_KCSEL_K2_R:
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return "vec3<f32>(ubuf.kcolor2.r)";
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case GX_TEV_KCSEL_K3_R:
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return "vec3<f32>(ubuf.kcolor3.r)";
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case GX_TEV_KCSEL_K0_G:
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return "vec3<f32>(ubuf.kcolor0.g)";
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case GX_TEV_KCSEL_K1_G:
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return "vec3<f32>(ubuf.kcolor1.g)";
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case GX_TEV_KCSEL_K2_G:
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return "vec3<f32>(ubuf.kcolor2.g)";
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case GX_TEV_KCSEL_K3_G:
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return "vec3<f32>(ubuf.kcolor3.g)";
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case GX_TEV_KCSEL_K0_B:
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return "vec3<f32>(ubuf.kcolor0.b)";
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case GX_TEV_KCSEL_K1_B:
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return "vec3<f32>(ubuf.kcolor1.b)";
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case GX_TEV_KCSEL_K2_B:
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return "vec3<f32>(ubuf.kcolor2.b)";
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case GX_TEV_KCSEL_K3_B:
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return "vec3<f32>(ubuf.kcolor3.b)";
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case GX_TEV_KCSEL_K0_A:
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return "vec3<f32>(ubuf.kcolor0.a)";
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case GX_TEV_KCSEL_K1_A:
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return "vec3<f32>(ubuf.kcolor1.a)";
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case GX_TEV_KCSEL_K2_A:
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return "vec3<f32>(ubuf.kcolor2.a)";
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case GX_TEV_KCSEL_K3_A:
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return "vec3<f32>(ubuf.kcolor3.a)";
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}
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}
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case GX_CC_ZERO:
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return "vec3<f32>(0.0)";
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}
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}
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static void alpha_arg_reg_info(GXTevAlphaArg arg, const TevStage& stage, ShaderInfo& info) {
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switch (arg) {
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case GX_CA_APREV:
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if (!info.writesTevReg.test(GX_TEVPREV)) {
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info.loadsTevReg.set(GX_TEVPREV);
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}
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break;
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case GX_CA_A0:
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if (!info.writesTevReg.test(GX_TEVREG0)) {
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info.loadsTevReg.set(GX_TEVREG0);
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}
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break;
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case GX_CA_A1:
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if (!info.writesTevReg.test(GX_TEVREG1)) {
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info.loadsTevReg.set(GX_TEVREG1);
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}
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break;
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case GX_CA_A2:
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if (!info.writesTevReg.test(GX_TEVREG2)) {
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info.loadsTevReg.set(GX_TEVREG2);
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}
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break;
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case GX_CA_TEXA:
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CHECK(stage.texCoordId != GX_TEXCOORD_NULL, "tex coord not bound");
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CHECK(stage.texMapId != GX_TEXMAP_NULL, "tex map not bound");
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info.sampledTexCoords.set(stage.texCoordId);
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info.sampledTextures.set(stage.texMapId);
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break;
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case GX_CA_RASA:
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if (stage.channelId >= GX_COLOR0A0 && stage.channelId <= GX_COLOR1A1) {
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info.sampledColorChannels.set(stage.channelId - GX_COLOR0A0);
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}
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break;
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case GX_CA_KONST:
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switch (stage.kaSel) {
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case GX_TEV_KASEL_K0_R:
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case GX_TEV_KASEL_K0_G:
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case GX_TEV_KASEL_K0_B:
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case GX_TEV_KASEL_K0_A:
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info.sampledKColors.set(0);
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break;
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case GX_TEV_KASEL_K1_R:
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case GX_TEV_KASEL_K1_G:
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case GX_TEV_KASEL_K1_B:
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case GX_TEV_KASEL_K1_A:
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info.sampledKColors.set(1);
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break;
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case GX_TEV_KASEL_K2_R:
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case GX_TEV_KASEL_K2_G:
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case GX_TEV_KASEL_K2_B:
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case GX_TEV_KASEL_K2_A:
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info.sampledKColors.set(2);
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break;
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case GX_TEV_KASEL_K3_R:
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case GX_TEV_KASEL_K3_G:
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case GX_TEV_KASEL_K3_B:
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case GX_TEV_KASEL_K3_A:
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info.sampledKColors.set(3);
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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static std::string alpha_arg_reg(GXTevAlphaArg arg, size_t stageIdx, const ShaderConfig& config,
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const TevStage& stage) {
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switch (arg) {
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DEFAULT_FATAL("invalid alpha arg {}", static_cast<int>(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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return "tevreg0.a";
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case GX_CA_A1:
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return "tevreg1.a";
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case GX_CA_A2:
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return "tevreg2.a";
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case GX_CA_TEXA: {
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CHECK(stage.texMapId != GX_TEXMAP_NULL, "unmapped texture for stage {}", stageIdx);
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CHECK(stage.texMapId >= GX_TEXMAP0 && stage.texMapId <= GX_TEXMAP7, "invalid texture {} for stage {}",
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static_cast<int>(stage.texMapId), stageIdx);
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const auto& swap = config.tevSwapTable[stage.tevSwapTex];
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return fmt::format(FMT_STRING("sampled{}.{}"), stageIdx, chan_comp(swap.alpha));
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}
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case GX_CA_RASA: {
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CHECK(stage.channelId != GX_COLOR_NULL, "unmapped color channel for stage {}", stageIdx);
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if (stage.channelId == GX_COLOR_ZERO) {
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return "0.0";
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}
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CHECK(stage.channelId >= GX_COLOR0A0 && stage.channelId <= GX_COLOR1A1, "invalid color channel {} for stage {}",
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static_cast<int>(stage.channelId), stageIdx);
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u32 idx = stage.channelId - GX_COLOR0A0;
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const auto& swap = config.tevSwapTable[stage.tevSwapRas];
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return fmt::format(FMT_STRING("rast{}.{}"), idx, chan_comp(swap.alpha));
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}
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case GX_CA_KONST: {
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switch (stage.kaSel) {
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DEFAULT_FATAL("invalid kaSel {}", static_cast<int>(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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return "ubuf.kcolor0.r";
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case GX_TEV_KASEL_K1_R:
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return "ubuf.kcolor1.r";
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case GX_TEV_KASEL_K2_R:
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return "ubuf.kcolor2.r";
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case GX_TEV_KASEL_K3_R:
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return "ubuf.kcolor3.r";
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case GX_TEV_KASEL_K0_G:
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return "ubuf.kcolor0.g";
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case GX_TEV_KASEL_K1_G:
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return "ubuf.kcolor1.g";
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case GX_TEV_KASEL_K2_G:
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return "ubuf.kcolor2.g";
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case GX_TEV_KASEL_K3_G:
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return "ubuf.kcolor3.g";
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case GX_TEV_KASEL_K0_B:
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return "ubuf.kcolor0.b";
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case GX_TEV_KASEL_K1_B:
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return "ubuf.kcolor1.b";
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case GX_TEV_KASEL_K2_B:
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return "ubuf.kcolor2.b";
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case GX_TEV_KASEL_K3_B:
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return "ubuf.kcolor3.b";
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case GX_TEV_KASEL_K0_A:
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return "ubuf.kcolor0.a";
|
|
case GX_TEV_KASEL_K1_A:
|
|
return "ubuf.kcolor1.a";
|
|
case GX_TEV_KASEL_K2_A:
|
|
return "ubuf.kcolor2.a";
|
|
case GX_TEV_KASEL_K3_A:
|
|
return "ubuf.kcolor3.a";
|
|
}
|
|
}
|
|
case GX_CA_ZERO:
|
|
return "0.0";
|
|
}
|
|
}
|
|
|
|
static std::string_view tev_op(GXTevOp op) {
|
|
switch (op) {
|
|
DEFAULT_FATAL("unimplemented tev op {}", static_cast<int>(op));
|
|
case GX_TEV_ADD:
|
|
return ""sv;
|
|
case GX_TEV_SUB:
|
|
return "-"sv;
|
|
}
|
|
}
|
|
|
|
static std::string_view tev_bias(GXTevBias bias) {
|
|
switch (bias) {
|
|
DEFAULT_FATAL("invalid tev bias {}", static_cast<int>(bias));
|
|
case GX_TB_ZERO:
|
|
return ""sv;
|
|
case GX_TB_ADDHALF:
|
|
return " + 0.5"sv;
|
|
case GX_TB_SUBHALF:
|
|
return " - 0.5"sv;
|
|
}
|
|
}
|
|
|
|
static std::string alpha_compare(GXCompare comp, u8 ref, bool& valid) {
|
|
const float fref = ref / 255.f;
|
|
switch (comp) {
|
|
DEFAULT_FATAL("invalid alpha comp {}", static_cast<int>(comp));
|
|
case GX_NEVER:
|
|
return "false"s;
|
|
case GX_LESS:
|
|
return fmt::format(FMT_STRING("(prev.a < {}f)"), fref);
|
|
case GX_LEQUAL:
|
|
return fmt::format(FMT_STRING("(prev.a <= {}f)"), fref);
|
|
case GX_EQUAL:
|
|
return fmt::format(FMT_STRING("(prev.a == {}f)"), fref);
|
|
case GX_NEQUAL:
|
|
return fmt::format(FMT_STRING("(prev.a != {}f)"), fref);
|
|
case GX_GEQUAL:
|
|
return fmt::format(FMT_STRING("(prev.a >= {}f)"), fref);
|
|
case GX_GREATER:
|
|
return fmt::format(FMT_STRING("(prev.a > {}f)"), fref);
|
|
case GX_ALWAYS:
|
|
valid = false;
|
|
return "true"s;
|
|
}
|
|
}
|
|
|
|
static std::string_view tev_scale(GXTevScale scale) {
|
|
switch (scale) {
|
|
DEFAULT_FATAL("invalid tev scale {}", static_cast<int>(scale));
|
|
case GX_CS_SCALE_1:
|
|
return ""sv;
|
|
case GX_CS_SCALE_2:
|
|
return " * 2.0"sv;
|
|
case GX_CS_SCALE_4:
|
|
return " * 4.0"sv;
|
|
case GX_CS_DIVIDE_2:
|
|
return " / 2.0"sv;
|
|
}
|
|
}
|
|
|
|
static inline std::string vtx_attr(const ShaderConfig& config, GXAttr attr) {
|
|
const auto type = config.vtxAttrs[attr];
|
|
if (type == GX_NONE) {
|
|
if (attr == GX_VA_NRM) {
|
|
// Default normal
|
|
return "vec3<f32>(1.0, 0.0, 0.0)"s;
|
|
}
|
|
UNLIKELY FATAL("unmapped vtx attr {}", static_cast<int>(attr));
|
|
}
|
|
if (attr == GX_VA_POS) {
|
|
return "in_pos"s;
|
|
}
|
|
if (attr == GX_VA_NRM) {
|
|
return "in_nrm"s;
|
|
}
|
|
if (attr == GX_VA_CLR0 || attr == GX_VA_CLR1) {
|
|
const auto idx = attr - GX_VA_CLR0;
|
|
return fmt::format(FMT_STRING("in_clr{}"), idx);
|
|
}
|
|
if (attr >= GX_VA_TEX0 && attr <= GX_VA_TEX7) {
|
|
const auto idx = attr - GX_VA_TEX0;
|
|
return fmt::format(FMT_STRING("in_tex{}_uv"), idx);
|
|
}
|
|
UNLIKELY FATAL("unhandled vtx attr {}", static_cast<int>(attr));
|
|
}
|
|
|
|
static inline std::string texture_conversion(const TextureConfig& tex, u32 stageIdx, u32 texMapId) {
|
|
std::string out;
|
|
if (tex.renderTex)
|
|
switch (tex.copyFmt) {
|
|
default:
|
|
break;
|
|
case GX_TF_RGB565:
|
|
// Set alpha channel to 1.0
|
|
out += fmt::format(FMT_STRING("\n sampled{0}.a = 1.0;"), stageIdx);
|
|
break;
|
|
case GX_TF_I4:
|
|
case GX_TF_I8:
|
|
// FIXME HACK
|
|
if (!is_palette_format(tex.loadFmt)) {
|
|
// Perform intensity conversion
|
|
out += fmt::format(FMT_STRING("\n sampled{0} = vec4<f32>(intensityF32(sampled{0}.rgb), 0.f, 0.f, 1.f);"),
|
|
stageIdx);
|
|
}
|
|
break;
|
|
}
|
|
switch (tex.loadFmt) {
|
|
default:
|
|
break;
|
|
case GX_TF_I4:
|
|
case GX_TF_I8:
|
|
case GX_TF_R8_PC:
|
|
// Splat R to RGBA
|
|
out += fmt::format(FMT_STRING("\n sampled{0} = vec4<f32>(sampled{0}.r);"), stageIdx);
|
|
break;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
constexpr std::array<std::string_view, GX_CC_ZERO + 1> TevColorArgNames{
|
|
"CPREV"sv, "APREV"sv, "C0"sv, "A0"sv, "C1"sv, "A1"sv, "C2"sv, "A2"sv,
|
|
"TEXC"sv, "TEXA"sv, "RASC"sv, "RASA"sv, "ONE"sv, "HALF"sv, "KONST"sv, "ZERO"sv,
|
|
};
|
|
constexpr std::array<std::string_view, GX_CA_ZERO + 1> TevAlphaArgNames{
|
|
"APREV"sv, "A0"sv, "A1"sv, "A2"sv, "TEXA"sv, "RASA"sv, "KONST"sv, "ZERO"sv,
|
|
};
|
|
|
|
constexpr std::array<std::string_view, MaxVtxAttr> VtxAttributeNames{
|
|
"pn_mtx", "tex0_mtx", "tex1_mtx", "tex2_mtx", "tex3_mtx", "tex4_mtx", "tex5_mtx",
|
|
"tex6_mtx", "tex7_mtx", "pos", "nrm", "clr0", "clr1", "tex0_uv",
|
|
"tex1_uv", "tex2_uv", "tex3_uv", "tex4_uv", "tex5_uv", "tex6_uv", "tex7_uv",
|
|
"pos_mtx_array", "nrm_mtx_array", "tex_mtx_array", "light_array", "nbt",
|
|
};
|
|
|
|
ShaderInfo build_shader_info(const ShaderConfig& config) noexcept {
|
|
// const auto hash = xxh3_hash(config);
|
|
// const auto it = g_gxCachedShaders.find(hash);
|
|
// if (it != g_gxCachedShaders.end()) {
|
|
// return it->second.second;
|
|
// }
|
|
|
|
ShaderInfo info{
|
|
.uniformSize = 64 * 3, // mv, mvInv, proj
|
|
};
|
|
for (int i = 0; i < config.tevStageCount; ++i) {
|
|
const auto& stage = config.tevStages[i];
|
|
// Color pass
|
|
color_arg_reg_info(stage.colorPass.a, stage, info);
|
|
color_arg_reg_info(stage.colorPass.b, stage, info);
|
|
color_arg_reg_info(stage.colorPass.c, stage, info);
|
|
color_arg_reg_info(stage.colorPass.d, stage, info);
|
|
info.writesTevReg.set(stage.colorOp.outReg);
|
|
|
|
// Alpha pass
|
|
alpha_arg_reg_info(stage.alphaPass.a, stage, info);
|
|
alpha_arg_reg_info(stage.alphaPass.b, stage, info);
|
|
alpha_arg_reg_info(stage.alphaPass.c, stage, info);
|
|
alpha_arg_reg_info(stage.alphaPass.d, stage, info);
|
|
if (!info.writesTevReg.test(stage.alphaOp.outReg)) {
|
|
// If we're writing alpha to a register that's not been
|
|
// written to in the shader, load from uniform buffer
|
|
info.loadsTevReg.set(stage.alphaOp.outReg);
|
|
info.writesTevReg.set(stage.alphaOp.outReg);
|
|
}
|
|
}
|
|
info.uniformSize += info.loadsTevReg.count() * 16;
|
|
bool lightingEnabled = false;
|
|
for (int i = 0; i < info.sampledColorChannels.size(); ++i) {
|
|
if (info.sampledColorChannels.test(i)) {
|
|
const auto& cc = config.colorChannels[i * 2];
|
|
const auto& cca = config.colorChannels[i * 2 + 1];
|
|
if (cc.lightingEnabled || cca.lightingEnabled) {
|
|
lightingEnabled = true;
|
|
}
|
|
}
|
|
}
|
|
if (lightingEnabled) {
|
|
// Lights + light state for all channels
|
|
info.uniformSize += 16 + (80 * GX::MaxLights);
|
|
}
|
|
for (int i = 0; i < info.sampledColorChannels.size(); ++i) {
|
|
if (info.sampledColorChannels.test(i)) {
|
|
const auto& cc = config.colorChannels[i * 2];
|
|
if (cc.lightingEnabled && cc.ambSrc == GX_SRC_REG) {
|
|
info.uniformSize += 16;
|
|
}
|
|
if (cc.matSrc == GX_SRC_REG) {
|
|
info.uniformSize += 16;
|
|
}
|
|
const auto& cca = config.colorChannels[i * 2 + 1];
|
|
if (cca.lightingEnabled && cca.ambSrc == GX_SRC_REG) {
|
|
info.uniformSize += 16;
|
|
}
|
|
if (cca.matSrc == GX_SRC_REG) {
|
|
info.uniformSize += 16;
|
|
}
|
|
}
|
|
}
|
|
info.uniformSize += info.sampledKColors.count() * 16;
|
|
for (int i = 0; i < info.sampledTexCoords.size(); ++i) {
|
|
if (!info.sampledTexCoords.test(i)) {
|
|
continue;
|
|
}
|
|
const auto& tcg = config.tcgs[i];
|
|
if (tcg.mtx != GX_IDENTITY) {
|
|
u32 texMtxIdx = (tcg.mtx - GX_TEXMTX0) / 3;
|
|
info.usesTexMtx.set(texMtxIdx);
|
|
info.texMtxTypes[texMtxIdx] = tcg.type;
|
|
}
|
|
if (tcg.postMtx != GX_PTIDENTITY) {
|
|
u32 postMtxIdx = (tcg.postMtx - GX_PTTEXMTX0) / 3;
|
|
info.usesPTTexMtx.set(postMtxIdx);
|
|
}
|
|
}
|
|
for (int i = 0; i < info.usesTexMtx.size(); ++i) {
|
|
if (info.usesTexMtx.test(i)) {
|
|
switch (info.texMtxTypes[i]) {
|
|
case GX_TG_MTX2x4:
|
|
info.uniformSize += 32;
|
|
break;
|
|
case GX_TG_MTX3x4:
|
|
info.uniformSize += 64;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
info.uniformSize += info.usesPTTexMtx.count() * 64;
|
|
if (config.fogType != GX_FOG_NONE) {
|
|
info.usesFog = true;
|
|
info.uniformSize += 32;
|
|
}
|
|
info.uniformSize += info.sampledTextures.count() * 4;
|
|
info.uniformSize = align_uniform(info.uniformSize);
|
|
return info;
|
|
}
|
|
|
|
wgpu::ShaderModule build_shader(const ShaderConfig& config, const ShaderInfo& info) noexcept {
|
|
const auto hash = xxh3_hash(config);
|
|
const auto it = g_gxCachedShaders.find(hash);
|
|
if (it != g_gxCachedShaders.end()) {
|
|
CHECK(g_gxCachedShaderConfigs[hash] == config, "Shader collision! {:x}", hash);
|
|
return it->second.first;
|
|
}
|
|
|
|
if (EnableDebugPrints) {
|
|
Log.report(LOG_INFO, FMT_STRING("Shader config (hash {:x}):"), hash);
|
|
{
|
|
for (int i = 0; i < config.tevStageCount; ++i) {
|
|
const auto& stage = config.tevStages[i];
|
|
Log.report(LOG_INFO, FMT_STRING(" tevStages[{}]:"), i);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_a: {}"), TevColorArgNames[stage.colorPass.a]);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_b: {}"), TevColorArgNames[stage.colorPass.b]);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_c: {}"), TevColorArgNames[stage.colorPass.c]);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_d: {}"), TevColorArgNames[stage.colorPass.d]);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_a: {}"), TevAlphaArgNames[stage.alphaPass.a]);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_b: {}"), TevAlphaArgNames[stage.alphaPass.b]);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_c: {}"), TevAlphaArgNames[stage.alphaPass.c]);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_d: {}"), TevAlphaArgNames[stage.alphaPass.d]);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_op_clamp: {}"), stage.colorOp.clamp);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_op_op: {}"), stage.colorOp.op);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_op_bias: {}"), stage.colorOp.bias);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_op_scale: {}"), stage.colorOp.scale);
|
|
Log.report(LOG_INFO, FMT_STRING(" color_op_reg_id: {}"), stage.colorOp.outReg);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_op_clamp: {}"), stage.alphaOp.clamp);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_op_op: {}"), stage.alphaOp.op);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_op_bias: {}"), stage.alphaOp.bias);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_op_scale: {}"), stage.alphaOp.scale);
|
|
Log.report(LOG_INFO, FMT_STRING(" alpha_op_reg_id: {}"), stage.alphaOp.outReg);
|
|
Log.report(LOG_INFO, FMT_STRING(" kc_sel: {}"), stage.kcSel);
|
|
Log.report(LOG_INFO, FMT_STRING(" ka_sel: {}"), stage.kaSel);
|
|
Log.report(LOG_INFO, FMT_STRING(" texCoordId: {}"), stage.texCoordId);
|
|
Log.report(LOG_INFO, FMT_STRING(" texMapId: {}"), stage.texMapId);
|
|
Log.report(LOG_INFO, FMT_STRING(" channelId: {}"), stage.channelId);
|
|
}
|
|
for (int i = 0; i < config.colorChannels.size(); ++i) {
|
|
const auto& chan = config.colorChannels[i];
|
|
Log.report(LOG_INFO, FMT_STRING(" colorChannels[{}]: enabled {} mat {} amb {}"), i, chan.lightingEnabled,
|
|
chan.matSrc, chan.ambSrc);
|
|
}
|
|
for (int i = 0; i < config.tcgs.size(); ++i) {
|
|
const auto& tcg = config.tcgs[i];
|
|
if (tcg.src != GX_MAX_TEXGENSRC) {
|
|
Log.report(LOG_INFO, FMT_STRING(" tcg[{}]: src {} mtx {} post {} type {} norm {}"), i, tcg.src, tcg.mtx,
|
|
tcg.postMtx, tcg.type, tcg.normalize);
|
|
}
|
|
}
|
|
Log.report(LOG_INFO, FMT_STRING(" alphaCompare: comp0 {} ref0 {} op {} comp1 {} ref1 {}"),
|
|
config.alphaCompare.comp0, config.alphaCompare.ref0, config.alphaCompare.op, config.alphaCompare.comp1,
|
|
config.alphaCompare.ref1);
|
|
Log.report(LOG_INFO, FMT_STRING(" indexedAttributeCount: {}"), config.indexedAttributeCount);
|
|
Log.report(LOG_INFO, FMT_STRING(" fogType: {}"), config.fogType);
|
|
}
|
|
}
|
|
|
|
std::string uniformPre;
|
|
std::string uniBufAttrs;
|
|
std::string uniformBindings;
|
|
std::string sampBindings;
|
|
std::string texBindings;
|
|
std::string vtxOutAttrs;
|
|
std::string vtxInAttrs;
|
|
std::string vtxXfrAttrsPre;
|
|
std::string vtxXfrAttrs;
|
|
size_t locIdx = 0;
|
|
size_t vtxOutIdx = 0;
|
|
size_t uniBindingIdx = 1;
|
|
if (config.indexedAttributeCount > 0) {
|
|
// Display list attributes
|
|
int currAttrIdx = 0;
|
|
for (GXAttr attr{}; attr < MaxVtxAttr; attr = GXAttr(attr + 1)) {
|
|
// Indexed attributes
|
|
if (config.vtxAttrs[attr] != GX_INDEX8 && config.vtxAttrs[attr] != GX_INDEX16) {
|
|
continue;
|
|
}
|
|
const auto [div, rem] = std::div(currAttrIdx, 4);
|
|
std::string_view attrName;
|
|
bool addUniformBinding = true;
|
|
if (config.attrMapping[attr] != attr) {
|
|
attrName = VtxAttributeNames[config.attrMapping[attr]];
|
|
addUniformBinding = false;
|
|
} else {
|
|
attrName = VtxAttributeNames[attr];
|
|
}
|
|
vtxXfrAttrsPre +=
|
|
fmt::format(FMT_STRING("\n var {} = v_arr_{}[in_dl{}[{}]];"), vtx_attr(config, attr), attrName, div, rem);
|
|
if (addUniformBinding) {
|
|
std::string_view arrType;
|
|
if (attr == GX_VA_POS || attr == GX_VA_NRM) {
|
|
arrType = "vec3<f32>";
|
|
} else if (attr >= GX_VA_TEX0 && attr <= GX_VA_TEX7) {
|
|
arrType = "vec2<f32>";
|
|
}
|
|
uniformBindings += fmt::format(FMT_STRING("\n@group(0) @binding({})"
|
|
"\nvar<storage, read> v_arr_{}: array<{}>;"),
|
|
uniBindingIdx++, attrName, arrType);
|
|
}
|
|
++currAttrIdx;
|
|
}
|
|
auto [num4xAttrArrays, rem] = std::div(currAttrIdx, 4);
|
|
u32 num2xAttrArrays = 0;
|
|
if (rem > 2) {
|
|
++num4xAttrArrays;
|
|
} else if (rem > 0) {
|
|
num2xAttrArrays = 1;
|
|
}
|
|
for (u32 i = 0; i < num4xAttrArrays; ++i) {
|
|
if (locIdx > 0) {
|
|
vtxInAttrs += "\n , ";
|
|
} else {
|
|
vtxInAttrs += "\n ";
|
|
}
|
|
vtxInAttrs += fmt::format(FMT_STRING("@location({}) in_dl{}: vec4<i32>"), locIdx++, i);
|
|
}
|
|
for (u32 i = 0; i < num2xAttrArrays; ++i) {
|
|
if (locIdx > 0) {
|
|
vtxInAttrs += "\n , ";
|
|
} else {
|
|
vtxInAttrs += "\n ";
|
|
}
|
|
vtxInAttrs += fmt::format(FMT_STRING("@location({}) in_dl{}: vec2<i32>"), locIdx++, num4xAttrArrays + i);
|
|
}
|
|
}
|
|
for (GXAttr attr{}; attr < MaxVtxAttr; attr = GXAttr(attr + 1)) {
|
|
// Direct attributes
|
|
if (config.vtxAttrs[attr] != GX_DIRECT) {
|
|
continue;
|
|
}
|
|
if (locIdx > 0) {
|
|
vtxInAttrs += "\n , ";
|
|
} else {
|
|
vtxInAttrs += "\n ";
|
|
}
|
|
if (attr == GX_VA_POS) {
|
|
vtxInAttrs += fmt::format(FMT_STRING("@location({}) in_pos: vec3<f32>"), locIdx++);
|
|
} else if (attr == GX_VA_NRM) {
|
|
vtxInAttrs += fmt::format(FMT_STRING("@location({}) in_nrm: vec3<f32>"), locIdx++);
|
|
} else if (attr == GX_VA_CLR0 || attr == GX_VA_CLR1) {
|
|
vtxInAttrs += fmt::format(FMT_STRING("@location({}) in_clr{}: vec4<f32>"), locIdx++, attr - GX_VA_CLR0);
|
|
} else if (attr >= GX_VA_TEX0 && attr <= GX_VA_TEX7) {
|
|
vtxInAttrs += fmt::format(FMT_STRING("@location({}) in_tex{}_uv: vec2<f32>"), locIdx++, attr - GX_VA_TEX0);
|
|
}
|
|
}
|
|
vtxXfrAttrsPre += fmt::format(FMT_STRING("\n var mv_pos = mul4x3(ubuf.pos_mtx, vec4<f32>({}, 1.0));"
|
|
"\n var mv_nrm = normalize(mul4x3(ubuf.nrm_mtx, vec4<f32>({}, 0.0)));"
|
|
"\n out.pos = mul4x4(ubuf.proj, vec4<f32>(mv_pos, 1.0));"),
|
|
vtx_attr(config, GX_VA_POS), vtx_attr(config, GX_VA_NRM));
|
|
if constexpr (EnableNormalVisualization) {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) nrm: vec3<f32>,"), vtxOutIdx++);
|
|
vtxXfrAttrsPre += "\n out.nrm = mv_nrm;";
|
|
}
|
|
|
|
std::string fragmentFnPre;
|
|
std::string fragmentFn;
|
|
for (u32 idx = 0; idx < config.tevStageCount; ++idx) {
|
|
const auto& stage = config.tevStages[idx];
|
|
{
|
|
std::string outReg;
|
|
switch (stage.colorOp.outReg) {
|
|
DEFAULT_FATAL("invalid colorOp outReg {}", static_cast<int>(stage.colorOp.outReg));
|
|
case GX_TEVPREV:
|
|
outReg = "prev";
|
|
break;
|
|
case GX_TEVREG0:
|
|
outReg = "tevreg0";
|
|
break;
|
|
case GX_TEVREG1:
|
|
outReg = "tevreg1";
|
|
break;
|
|
case GX_TEVREG2:
|
|
outReg = "tevreg2";
|
|
break;
|
|
}
|
|
std::string op = fmt::format(
|
|
FMT_STRING("(({4}mix({0}, {1}, {2}) + {3}){5}){6}"), color_arg_reg(stage.colorPass.a, idx, config, stage),
|
|
color_arg_reg(stage.colorPass.b, idx, config, stage), color_arg_reg(stage.colorPass.c, idx, config, stage),
|
|
color_arg_reg(stage.colorPass.d, idx, config, stage), tev_op(stage.colorOp.op), tev_bias(stage.colorOp.bias),
|
|
tev_scale(stage.colorOp.scale));
|
|
if (stage.colorOp.clamp) {
|
|
op = fmt::format(FMT_STRING("clamp({}, vec3<f32>(0.0), vec3<f32>(1.0))"), op);
|
|
}
|
|
fragmentFn +=
|
|
fmt::format(FMT_STRING("\n // TEV stage {2}\n {0} = vec4<f32>({1}, {0}.a);"), outReg, op, idx);
|
|
}
|
|
{
|
|
std::string outReg;
|
|
switch (stage.alphaOp.outReg) {
|
|
DEFAULT_FATAL("invalid alphaOp outReg {}", static_cast<int>(stage.alphaOp.outReg));
|
|
case GX_TEVPREV:
|
|
outReg = "prev.a";
|
|
break;
|
|
case GX_TEVREG0:
|
|
outReg = "tevreg0.a";
|
|
break;
|
|
case GX_TEVREG1:
|
|
outReg = "tevreg1.a";
|
|
break;
|
|
case GX_TEVREG2:
|
|
outReg = "tevreg2.a";
|
|
break;
|
|
}
|
|
std::string op = fmt::format(
|
|
FMT_STRING("(({4}mix({0}, {1}, {2}) + {3}){5}){6}"), alpha_arg_reg(stage.alphaPass.a, idx, config, stage),
|
|
alpha_arg_reg(stage.alphaPass.b, idx, config, stage), alpha_arg_reg(stage.alphaPass.c, idx, config, stage),
|
|
alpha_arg_reg(stage.alphaPass.d, idx, config, stage), tev_op(stage.alphaOp.op), tev_bias(stage.alphaOp.bias),
|
|
tev_scale(stage.alphaOp.scale));
|
|
if (stage.alphaOp.clamp) {
|
|
op = fmt::format(FMT_STRING("clamp({}, 0.0, 1.0)"), op);
|
|
}
|
|
fragmentFn += fmt::format(FMT_STRING("\n {0} = {1};"), outReg, op);
|
|
}
|
|
}
|
|
if (info.loadsTevReg.test(0)) {
|
|
uniBufAttrs += "\n tevprev: vec4<f32>,";
|
|
fragmentFnPre += "\n var prev = ubuf.tevprev;";
|
|
} else {
|
|
fragmentFnPre += "\n var prev: vec4<f32>;";
|
|
}
|
|
for (int i = 1 /* Skip TEVPREV */; i < info.loadsTevReg.size(); ++i) {
|
|
if (info.loadsTevReg.test(i)) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n tevreg{}: vec4<f32>,"), i - 1);
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var tevreg{0} = ubuf.tevreg{0};"), i - 1);
|
|
} else if (info.writesTevReg.test(i)) {
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var tevreg{0}: vec4<f32>;"), i - 1);
|
|
}
|
|
}
|
|
bool addedLightStruct = false;
|
|
int vtxColorIdx = 0;
|
|
for (int i = 0; i < info.sampledColorChannels.size(); ++i) {
|
|
if (!info.sampledColorChannels.test(i)) {
|
|
continue;
|
|
}
|
|
const auto& cc = config.colorChannels[i * 2];
|
|
const auto& cca = config.colorChannels[i * 2 + 1];
|
|
|
|
if (!addedLightStruct && (cc.lightingEnabled || cca.lightingEnabled)) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n lights: array<Light, {}>,"
|
|
"\n lightState0: u32,"
|
|
"\n lightState0a: u32,"
|
|
"\n lightState1: u32,"
|
|
"\n lightState1a: u32,"),
|
|
GX::MaxLights);
|
|
uniformPre +=
|
|
"\n"
|
|
"struct Light {\n"
|
|
" pos: vec3<f32>,\n"
|
|
" dir: vec3<f32>,\n"
|
|
" color: vec4<f32>,\n"
|
|
" cos_att: vec3<f32>,\n"
|
|
" dist_att: vec3<f32>,\n"
|
|
"};";
|
|
if (UsePerPixelLighting) {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) mv_pos: vec3<f32>,"), vtxOutIdx++);
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) mv_nrm: vec3<f32>,"), vtxOutIdx++);
|
|
vtxXfrAttrs += fmt::format(FMT_STRING(R"""(
|
|
out.mv_pos = mv_pos;
|
|
out.mv_nrm = mv_nrm;)"""));
|
|
}
|
|
addedLightStruct = true;
|
|
}
|
|
|
|
if (cc.lightingEnabled && cc.ambSrc == GX_SRC_REG) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n cc{0}_amb: vec4<f32>,"), i);
|
|
}
|
|
if (cc.matSrc == GX_SRC_REG) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n cc{0}_mat: vec4<f32>,"), i);
|
|
}
|
|
if (cca.lightingEnabled && cca.ambSrc == GX_SRC_REG) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n cc{0}a_amb: vec4<f32>,"), i);
|
|
}
|
|
if (cca.matSrc == GX_SRC_REG) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n cc{0}a_mat: vec4<f32>,"), i);
|
|
}
|
|
|
|
// Output vertex color if necessary
|
|
bool usesVtxColor = false;
|
|
if (((cc.lightingEnabled && cc.ambSrc == GX_SRC_VTX) || cc.matSrc == GX_SRC_VTX ||
|
|
(cca.lightingEnabled && cca.matSrc == GX_SRC_VTX) || cca.matSrc == GX_SRC_VTX)) {
|
|
if (UsePerPixelLighting) {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) clr{}: vec4<f32>,"), vtxOutIdx++, vtxColorIdx);
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n out.clr{} = {};"), vtxColorIdx,
|
|
vtx_attr(config, static_cast<GXAttr>(GX_VA_CLR0 + vtxColorIdx)));
|
|
}
|
|
usesVtxColor = true;
|
|
}
|
|
|
|
// TODO handle alpha lighting
|
|
if (cc.lightingEnabled) {
|
|
std::string ambSrc, matSrc, lightAttnFn, lightDiffFn;
|
|
if (cc.ambSrc == GX_SRC_VTX) {
|
|
if (UsePerPixelLighting) {
|
|
ambSrc = fmt::format(FMT_STRING("in.clr{}"), vtxColorIdx);
|
|
} else {
|
|
ambSrc = vtx_attr(config, static_cast<GXAttr>(GX_VA_CLR0 + vtxColorIdx));
|
|
}
|
|
} else if (cc.ambSrc == GX_SRC_REG) {
|
|
ambSrc = fmt::format(FMT_STRING("ubuf.cc{0}_amb"), i);
|
|
}
|
|
if (cc.matSrc == GX_SRC_VTX) {
|
|
if (UsePerPixelLighting) {
|
|
matSrc = fmt::format(FMT_STRING("in.clr{}"), vtxColorIdx);
|
|
} else {
|
|
matSrc = vtx_attr(config, static_cast<GXAttr>(GX_VA_CLR0 + vtxColorIdx));
|
|
}
|
|
} else if (cc.matSrc == GX_SRC_REG) {
|
|
matSrc = fmt::format(FMT_STRING("ubuf.cc{0}_mat"), i);
|
|
}
|
|
GXDiffuseFn diffFn = cc.diffFn;
|
|
if (cc.attnFn == GX_AF_NONE) {
|
|
lightAttnFn = "attn = 1.0;";
|
|
} else if (cc.attnFn == GX_AF_SPOT) {
|
|
lightAttnFn = fmt::format(FMT_STRING(R"""(
|
|
var cosine = max(0.0, dot(ldir, light.dir));
|
|
var cos_attn = dot(light.cos_att, vec3<f32>(1.0, cosine, cosine * cosine));
|
|
var dist_attn = dot(light.dist_att, vec3<f32>(1.0, dist, dist2));
|
|
attn = max(0.0, cos_attn / dist_attn);)"""));
|
|
} else if (cc.attnFn == GX_AF_SPEC) {
|
|
diffFn = GX_DF_NONE;
|
|
FATAL("AF_SPEC unimplemented");
|
|
}
|
|
if (diffFn == GX_DF_NONE) {
|
|
lightDiffFn = "1.0";
|
|
} else if (diffFn == GX_DF_SIGN) {
|
|
if (UsePerPixelLighting) {
|
|
lightDiffFn = "dot(ldir, in.mv_nrm)";
|
|
} else {
|
|
lightDiffFn = "dot(ldir, mv_nrm)";
|
|
}
|
|
} else if (diffFn == GX_DF_CLAMP) {
|
|
if (UsePerPixelLighting) {
|
|
lightDiffFn = "max(0.0, dot(ldir, in.mv_nrm))";
|
|
} else {
|
|
lightDiffFn = "max(0.0, dot(ldir, mv_nrm))";
|
|
}
|
|
}
|
|
std::string outVar, posVar;
|
|
if (UsePerPixelLighting) {
|
|
outVar = fmt::format(FMT_STRING("rast{}"), i);
|
|
posVar = "in.mv_pos";
|
|
} else {
|
|
outVar = fmt::format(FMT_STRING("out.cc{}"), i);
|
|
posVar = "mv_pos";
|
|
}
|
|
auto lightFunc = fmt::format(FMT_STRING(R"""(
|
|
{{
|
|
var lighting = {5};
|
|
for (var i = 0u; i < {1}u; i++) {{
|
|
if ((ubuf.lightState{0} & (1u << i)) == 0u) {{ continue; }}
|
|
var light = ubuf.lights[i];
|
|
var ldir = light.pos - {7};
|
|
var dist2 = dot(ldir, ldir);
|
|
var dist = sqrt(dist2);
|
|
ldir = ldir / dist;
|
|
var attn: f32;{2}
|
|
var diff = {3};
|
|
lighting = lighting + (attn * diff * light.color);
|
|
}}
|
|
// TODO alpha lighting
|
|
{6} = vec4<f32>(({4} * clamp(lighting, vec4<f32>(0.0), vec4<f32>(1.0))).xyz, {4}.a);
|
|
}})"""),
|
|
i, GX::MaxLights, lightAttnFn, lightDiffFn, matSrc, ambSrc, outVar, posVar);
|
|
if (UsePerPixelLighting) {
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{}: vec4<f32>;"), i);
|
|
fragmentFnPre += lightFunc;
|
|
} else {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) cc{}: vec4<f32>,"), vtxOutIdx++, i);
|
|
vtxXfrAttrs += lightFunc;
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{0} = in.cc{0};"), i);
|
|
}
|
|
} else if (cc.matSrc == GX_SRC_VTX) {
|
|
if (UsePerPixelLighting) {
|
|
// Color will already be written to clr{}
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{0} = in.clr{0};"), vtxColorIdx);
|
|
} else {
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) cc{}: vec4<f32>,"), vtxOutIdx++, i);
|
|
vtxXfrAttrs +=
|
|
fmt::format(FMT_STRING("\n out.cc{} = {};"), i, vtx_attr(config, GXAttr(GX_VA_CLR0 + vtxColorIdx)));
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{0} = in.cc{0};"), i);
|
|
}
|
|
} else {
|
|
fragmentFnPre += fmt::format(FMT_STRING("\n var rast{0} = ubuf.cc{0}_mat;"), i);
|
|
}
|
|
|
|
if (usesVtxColor) {
|
|
++vtxColorIdx;
|
|
}
|
|
}
|
|
for (int i = 0; i < info.sampledKColors.size(); ++i) {
|
|
if (info.sampledKColors.test(i)) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n kcolor{}: vec4<f32>,"), i);
|
|
}
|
|
}
|
|
for (int i = 0; i < info.sampledTexCoords.size(); ++i) {
|
|
if (!info.sampledTexCoords.test(i)) {
|
|
continue;
|
|
}
|
|
const auto& tcg = config.tcgs[i];
|
|
vtxOutAttrs += fmt::format(FMT_STRING("\n @location({}) tex{}_uv: vec2<f32>,"), vtxOutIdx++, i);
|
|
if (tcg.src >= GX_TG_TEX0 && tcg.src <= GX_TG_TEX7) {
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n var tc{} = vec4<f32>({}, 0.0, 1.0);"), i,
|
|
vtx_attr(config, GXAttr(GX_VA_TEX0 + (tcg.src - GX_TG_TEX0))));
|
|
} else if (tcg.src == GX_TG_POS) {
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n var tc{} = vec4<f32>(in_pos, 1.0);"), i);
|
|
} else if (tcg.src == GX_TG_NRM) {
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n var tc{} = vec4<f32>(in_nrm, 1.0);"), i);
|
|
} else
|
|
UNLIKELY FATAL("unhandled tcg src {}", static_cast<int>(tcg.src));
|
|
if (tcg.mtx == GX_IDENTITY) {
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n var tc{0}_tmp = tc{0}.xyz;"), i);
|
|
} else {
|
|
u32 texMtxIdx = (tcg.mtx - GX_TEXMTX0) / 3;
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n var tc{0}_tmp = mul{2}(ubuf.texmtx{1}, tc{0});"), i, texMtxIdx,
|
|
info.texMtxTypes[texMtxIdx] == GX_TG_MTX3x4 ? "4x3" : "4x2");
|
|
}
|
|
if (tcg.normalize) {
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n tc{0}_tmp = normalize(tc{0}_tmp);"), i);
|
|
}
|
|
if (tcg.postMtx == GX_PTIDENTITY) {
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n var tc{0}_proj = tc{0}_tmp;"), i);
|
|
} else {
|
|
u32 postMtxIdx = (tcg.postMtx - GX_PTTEXMTX0) / 3;
|
|
vtxXfrAttrs += fmt::format(
|
|
FMT_STRING("\n var tc{0}_proj = mul4x3(ubuf.postmtx{1}, vec4<f32>(tc{0}_tmp.xyz, 1.0));"), i, postMtxIdx);
|
|
}
|
|
vtxXfrAttrs += fmt::format(FMT_STRING("\n out.tex{0}_uv = tc{0}_proj.xy;"), i);
|
|
}
|
|
for (int i = 0; i < config.tevStages.size(); ++i) {
|
|
const auto& stage = config.tevStages[i];
|
|
if (stage.texMapId == GX_TEXMAP_NULL ||
|
|
stage.texCoordId == GX_TEXCOORD_NULL
|
|
// TODO should check this per-stage probably
|
|
|| !info.sampledTextures.test(stage.texMapId)) {
|
|
continue;
|
|
}
|
|
std::string uvIn = fmt::format(FMT_STRING("in.tex{0}_uv"), stage.texCoordId);
|
|
const auto& texConfig = config.textureConfig[stage.texMapId];
|
|
if (is_palette_format(texConfig.loadFmt)) {
|
|
std::string_view suffix;
|
|
if (!is_palette_format(texConfig.copyFmt)) {
|
|
switch (texConfig.loadFmt) {
|
|
DEFAULT_FATAL("unimplemented palette format {}", static_cast<int>(texConfig.loadFmt));
|
|
case GX_TF_C4:
|
|
suffix = "I4"sv;
|
|
break;
|
|
// case GX_TF_C8:
|
|
// suffix = "I8";
|
|
// break;
|
|
// case GX_TF_C14X2:
|
|
// suffix = "I14X2";
|
|
// break;
|
|
}
|
|
}
|
|
fragmentFnPre +=
|
|
fmt::format(FMT_STRING("\n var sampled{0} = textureSamplePalette{3}(tex{1}, tex{1}_samp, {2}, tlut{1});"),
|
|
i, stage.texMapId, uvIn, suffix);
|
|
} else {
|
|
fragmentFnPre += fmt::format(
|
|
FMT_STRING("\n var sampled{0} = textureSampleBias(tex{1}, tex{1}_samp, {2}, ubuf.tex{1}_lod);"), i,
|
|
stage.texMapId, uvIn);
|
|
}
|
|
fragmentFnPre += texture_conversion(texConfig, i, stage.texMapId);
|
|
}
|
|
for (int i = 0; i < info.usesTexMtx.size(); ++i) {
|
|
if (info.usesTexMtx.test(i)) {
|
|
switch (info.texMtxTypes[i]) {
|
|
DEFAULT_FATAL("unhandled tex mtx type {}", static_cast<int>(info.texMtxTypes[i]));
|
|
case GX_TG_MTX2x4:
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n texmtx{}: mtx4x2,"), i);
|
|
break;
|
|
case GX_TG_MTX3x4:
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n texmtx{}: mtx4x3,"), i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
for (int i = 0; i < info.usesPTTexMtx.size(); ++i) {
|
|
if (info.usesPTTexMtx.test(i)) {
|
|
uniBufAttrs += fmt::format(FMT_STRING("\n postmtx{}: mtx4x3,"), i);
|
|
}
|
|
}
|
|
if (info.usesFog) {
|
|
uniformPre +=
|
|
"\n"
|
|
"struct Fog {\n"
|
|
" color: vec4<f32>,\n"
|
|
" a: f32,\n"
|
|
" b: f32,\n"
|
|
" c: f32,\n"
|
|
" pad: f32,\n"
|
|
"}";
|
|
uniBufAttrs += "\n fog: Fog,";
|
|
|
|
fragmentFn += "\n // Fog\n var fogF = clamp((ubuf.fog.a / (ubuf.fog.b - in.pos.z)) - ubuf.fog.c, 0.0, 1.0);";
|
|
switch (config.fogType) {
|
|
DEFAULT_FATAL("invalid fog type {}", static_cast<int>(config.fogType));
|
|
case GX_FOG_PERSP_LIN:
|
|
case GX_FOG_ORTHO_LIN:
|
|
fragmentFn += "\n var fogZ = fogF;";
|
|
break;
|
|
case GX_FOG_PERSP_EXP:
|
|
case GX_FOG_ORTHO_EXP:
|
|
fragmentFn += "\n var fogZ = 1.0 - exp2(-8.0 * fogF);";
|
|
break;
|
|
case GX_FOG_PERSP_EXP2:
|
|
case GX_FOG_ORTHO_EXP2:
|
|
fragmentFn += "\n var fogZ = 1.0 - exp2(-8.0 * fogF * fogF);";
|
|
break;
|
|
case GX_FOG_PERSP_REVEXP:
|
|
case GX_FOG_ORTHO_REVEXP:
|
|
fragmentFn += "\n var fogZ = exp2(-8.0 * (1.0 - fogF));";
|
|
break;
|
|
case GX_FOG_PERSP_REVEXP2:
|
|
case GX_FOG_ORTHO_REVEXP2:
|
|
fragmentFn +=
|
|
"\n fogF = 1.0 - fogF;"
|
|
"\n var fogZ = exp2(-8.0 * fogF * fogF);";
|
|
break;
|
|
}
|
|
fragmentFn += "\n prev = vec4<f32>(mix(prev.rgb, ubuf.fog.color.rgb, clamp(fogZ, 0.0, 1.0)), prev.a);";
|
|
}
|
|
size_t texBindIdx = 0;
|
|
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);
|
|
|
|
sampBindings += fmt::format(FMT_STRING("\n@group(1) @binding({})\n"
|
|
"var tex{}_samp: sampler;"),
|
|
texBindIdx, i);
|
|
|
|
const auto& texConfig = config.textureConfig[i];
|
|
if (is_palette_format(texConfig.loadFmt)) {
|
|
texBindings += fmt::format(FMT_STRING("\n@group(2) @binding({})\n"
|
|
"var tex{}: texture_2d<{}>;"),
|
|
texBindIdx, i, is_palette_format(texConfig.copyFmt) ? "i32"sv : "f32"sv);
|
|
++texBindIdx;
|
|
texBindings += fmt::format(FMT_STRING("\n@group(2) @binding({})\n"
|
|
"var tlut{}: texture_2d<f32>;"),
|
|
texBindIdx, i);
|
|
} else {
|
|
texBindings += fmt::format(FMT_STRING("\n@group(2) @binding({})\n"
|
|
"var tex{}: texture_2d<f32>;"),
|
|
texBindIdx, i);
|
|
}
|
|
++texBindIdx;
|
|
}
|
|
|
|
if (config.alphaCompare) {
|
|
bool comp0Valid = true;
|
|
bool comp1Valid = true;
|
|
std::string comp0 = alpha_compare(config.alphaCompare.comp0, config.alphaCompare.ref0, comp0Valid);
|
|
std::string comp1 = alpha_compare(config.alphaCompare.comp1, config.alphaCompare.ref1, comp1Valid);
|
|
if (comp0Valid || comp1Valid) {
|
|
fragmentFn += "\n // Alpha compare";
|
|
switch (config.alphaCompare.op) {
|
|
DEFAULT_FATAL("invalid alpha compare op {}", static_cast<int>(config.alphaCompare.op));
|
|
case GX_AOP_AND:
|
|
fragmentFn += fmt::format(FMT_STRING("\n if (!({} && {})) {{ discard; }}"), comp0, comp1);
|
|
break;
|
|
case GX_AOP_OR:
|
|
fragmentFn += fmt::format(FMT_STRING("\n if (!({} || {})) {{ discard; }}"), comp0, comp1);
|
|
break;
|
|
case GX_AOP_XOR:
|
|
fragmentFn += fmt::format(FMT_STRING("\n if (!({} ^^ {})) {{ discard; }}"), comp0, comp1);
|
|
break;
|
|
case GX_AOP_XNOR:
|
|
fragmentFn += fmt::format(FMT_STRING("\n if (({} ^^ {})) {{ discard; }}"), comp0, comp1);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if constexpr (EnableNormalVisualization) {
|
|
fragmentFn += "\n prev = vec4<f32>(in.nrm, prev.a);";
|
|
}
|
|
|
|
const auto shaderSource = fmt::format(FMT_STRING(R"""(
|
|
struct mtx4x4 {{ mx: vec4<f32>, my: vec4<f32>, mz: vec4<f32>, mw: vec4<f32> }};
|
|
struct mtx4x3 {{ mx: vec4<f32>, my: vec4<f32>, mz: vec4<f32>, mw: vec4<f32> }};
|
|
struct mtx4x2 {{ mx: vec4<f32>, my: vec4<f32>, }};
|
|
// TODO convert these to row major
|
|
fn mul4x4(m: mtx4x4, v: vec4<f32>) -> vec4<f32> {{
|
|
var mx = vec4<f32>(m.mx.x, m.my.x, m.mz.x, m.mw.x);
|
|
var my = vec4<f32>(m.mx.y, m.my.y, m.mz.y, m.mw.y);
|
|
var mz = vec4<f32>(m.mx.z, m.my.z, m.mz.z, m.mw.z);
|
|
var mw = vec4<f32>(m.mx.w, m.my.w, m.mz.w, m.mw.w);
|
|
return vec4<f32>(dot(mx, v), dot(my, v), dot(mz, v), dot(mw, v));
|
|
}}
|
|
fn mul4x3(m: mtx4x3, v: vec4<f32>) -> vec3<f32> {{
|
|
var mx = vec4<f32>(m.mx.x, m.my.x, m.mz.x, m.mw.x);
|
|
var my = vec4<f32>(m.mx.y, m.my.y, m.mz.y, m.mw.y);
|
|
var mz = vec4<f32>(m.mx.z, m.my.z, m.mz.z, m.mw.z);
|
|
return vec3<f32>(dot(mx, v), dot(my, v), dot(mz, v));
|
|
}}
|
|
fn mul4x2(m: mtx4x2, v: vec4<f32>) -> vec2<f32> {{
|
|
return vec2<f32>(dot(m.mx, v), dot(m.my, v));
|
|
}}
|
|
{10}
|
|
struct Uniform {{
|
|
pos_mtx: mtx4x3,
|
|
nrm_mtx: mtx4x3,
|
|
proj: mtx4x4,{0}
|
|
}};
|
|
@group(0) @binding(0)
|
|
var<uniform> ubuf: Uniform;{3}{1}{2}
|
|
|
|
struct VertexOutput {{
|
|
@builtin(position) pos: vec4<f32>,{4}
|
|
}};
|
|
|
|
fn intensityF32(rgb: vec3<f32>) -> f32 {{
|
|
// RGB to intensity conversion
|
|
// https://github.com/dolphin-emu/dolphin/blob/4cd48e609c507e65b95bca5afb416b59eaf7f683/Source/Core/VideoCommon/TextureConverterShaderGen.cpp#L237-L241
|
|
return dot(rgb, vec3(0.257, 0.504, 0.098)) + 16.0 / 255.0;
|
|
}}
|
|
fn intensityI4(rgb: vec3<f32>) -> i32 {{
|
|
return i32(intensityF32(rgb) * 16.f);
|
|
}}
|
|
fn textureSamplePalette(tex: texture_2d<i32>, samp: sampler, uv: vec2<f32>, tlut: texture_2d<f32>) -> vec4<f32> {{
|
|
// Gather index values
|
|
var i = textureGather(0, tex, samp, uv);
|
|
// Load palette colors
|
|
var c0 = textureLoad(tlut, vec2<i32>(i[0], 0), 0);
|
|
var c1 = textureLoad(tlut, vec2<i32>(i[1], 0), 0);
|
|
var c2 = textureLoad(tlut, vec2<i32>(i[2], 0), 0);
|
|
var c3 = textureLoad(tlut, vec2<i32>(i[3], 0), 0);
|
|
// Perform bilinear filtering
|
|
var f = fract(uv * vec2<f32>(textureDimensions(tex)) + 0.5);
|
|
var t0 = mix(c3, c2, f.x);
|
|
var t1 = mix(c0, c1, f.x);
|
|
return mix(t0, t1, f.y);
|
|
}}
|
|
fn textureSamplePaletteI4(tex: texture_2d<f32>, samp: sampler, uv: vec2<f32>, tlut: texture_2d<f32>) -> vec4<f32> {{
|
|
// Gather RGB channels
|
|
var iR = textureGather(0, tex, samp, uv);
|
|
var iG = textureGather(1, tex, samp, uv);
|
|
var iB = textureGather(2, tex, samp, uv);
|
|
// Perform intensity conversion
|
|
var i0 = intensityI4(vec3<f32>(iR[0], iG[0], iB[0]));
|
|
var i1 = intensityI4(vec3<f32>(iR[1], iG[1], iB[1]));
|
|
var i2 = intensityI4(vec3<f32>(iR[2], iG[2], iB[2]));
|
|
var i3 = intensityI4(vec3<f32>(iR[3], iG[3], iB[3]));
|
|
// Load palette colors
|
|
var c0 = textureLoad(tlut, vec2<i32>(i0, 0), 0);
|
|
var c1 = textureLoad(tlut, vec2<i32>(i1, 0), 0);
|
|
var c2 = textureLoad(tlut, vec2<i32>(i2, 0), 0);
|
|
var c3 = textureLoad(tlut, vec2<i32>(i3, 0), 0);
|
|
// Perform bilinear filtering
|
|
var f = fract(uv * vec2<f32>(textureDimensions(tex)) + 0.5);
|
|
var t0 = mix(c3, c2, f.x);
|
|
var t1 = mix(c0, c1, f.x);
|
|
return mix(t0, t1, f.y);
|
|
}}
|
|
|
|
@stage(vertex)
|
|
fn vs_main({5}
|
|
) -> VertexOutput {{
|
|
var out: VertexOutput;{9}{6}
|
|
return out;
|
|
}}
|
|
|
|
@stage(fragment)
|
|
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {{{8}{7}
|
|
return prev;
|
|
}}
|
|
)"""),
|
|
uniBufAttrs, sampBindings, texBindings, uniformBindings, vtxOutAttrs,
|
|
vtxInAttrs, vtxXfrAttrs, fragmentFn, fragmentFnPre, vtxXfrAttrsPre, uniformPre);
|
|
if (EnableDebugPrints) {
|
|
Log.report(LOG_INFO, FMT_STRING("Generated shader: {}"), shaderSource);
|
|
}
|
|
|
|
wgpu::ShaderModuleWGSLDescriptor wgslDescriptor{};
|
|
wgslDescriptor.source = shaderSource.c_str();
|
|
const auto label = fmt::format(FMT_STRING("GX Shader {:x}"), hash);
|
|
const auto shaderDescriptor = wgpu::ShaderModuleDescriptor{
|
|
.nextInChain = &wgslDescriptor,
|
|
.label = label.c_str(),
|
|
};
|
|
auto shader = webgpu::g_device.CreateShaderModule(&shaderDescriptor);
|
|
|
|
auto pair = std::make_pair(shader, info);
|
|
g_gxCachedShaders.emplace(hash, pair);
|
|
#ifndef NDEBUG
|
|
g_gxCachedShaderConfigs.emplace(hash, config);
|
|
#endif
|
|
|
|
return pair.first;
|
|
}
|
|
} // namespace aurora::gfx::gx
|