mirror of https://github.com/AxioDL/metaforce.git
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
#include "Graphics/CTevCombiners.hpp"
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#include "Graphics/CGX.hpp"
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namespace metaforce::CTevCombiners {
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u32 CTevPass::sNextUniquePass = 0;
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void CTevPass::Execute(ERglTevStage stage) const {
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const auto stageId = GXTevStageID(stage);
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CGX::SetTevColorIn(stageId, x4_colorPass.x0_a, x4_colorPass.x4_b, x4_colorPass.x8_c, x4_colorPass.xc_d);
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CGX::SetTevAlphaIn(stageId, x14_alphaPass.x0_a, x14_alphaPass.x4_b, x14_alphaPass.x8_c, x14_alphaPass.xc_d);
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CGX::SetTevColorOp(stageId, x24_colorOp.x4_op, x24_colorOp.x8_bias, x24_colorOp.xc_scale, x24_colorOp.x0_clamp,
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x24_colorOp.x10_regId);
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CGX::SetTevAlphaOp(stageId, x38_alphaOp.x4_op, x38_alphaOp.x8_bias, x38_alphaOp.xc_scale, x38_alphaOp.x0_clamp,
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x38_alphaOp.x10_regId);
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CGX::SetTevKColorSel(stageId, GX_TEV_KCSEL_8_8);
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CGX::SetTevKAlphaSel(stageId, GX_TEV_KASEL_8_8);
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}
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constexpr u32 maxTevPasses = 2;
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static u32 sNumEnabledPasses;
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static std::array<bool, maxTevPasses> sValidPasses;
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const CTevPass kEnvPassthru{
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{GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_RASC},
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{GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_RASA},
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};
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const CTevPass kEnvBlendCTandCConCF{
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{GX_CC_C0, GX_CC_TEXC, GX_CC_RASC, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_RASA},
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};
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const CTevPass kEnvModulateConstColor{
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{GX_CC_ZERO, GX_CC_RASC, GX_CC_C0, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_RASA, GX_CA_A0, GX_CA_ZERO},
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};
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const CTevPass kEnvConstColor{
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{GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_C0},
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{GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_A0},
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};
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const CTevPass kEnvModulate{
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{GX_CC_ZERO, GX_CC_RASC, GX_CC_TEXC, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_RASA, GX_CA_TEXA, GX_CA_ZERO},
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};
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const CTevPass kEnvDecal{
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{GX_CC_RASC, GX_CC_TEXC, GX_CC_TEXA, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_RASA},
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};
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const CTevPass kEnvBlend{
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{GX_CC_RASC, GX_CC_ONE, GX_CC_TEXC, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_TEXA, GX_CA_RASA, GX_CA_ZERO},
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};
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const CTevPass kEnvReplace{
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{GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_TEXC},
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{GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_TEXA},
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};
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const CTevPass kEnvModulateAlpha{
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{GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_RASC},
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{GX_CA_ZERO, GX_CA_TEXA, GX_CA_RASA, GX_CA_ZERO},
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};
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const CTevPass kEnvModulateColor{
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{GX_CC_ZERO, GX_CC_TEXC, GX_CC_RASC, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_KONST, GX_CA_RASA, GX_CA_ZERO},
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};
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const CTevPass kEnvModulateColorByAlpha{
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{GX_CC_ZERO, GX_CC_CPREV, GX_CC_APREV, GX_CC_ZERO},
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{GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_APREV},
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};
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void Init() {
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sNumEnabledPasses = maxTevPasses;
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sValidPasses.fill(true);
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for (int i = 0; i < maxTevPasses; ++i) {
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DeletePass(static_cast<ERglTevStage>(i));
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}
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sValidPasses.fill(false);
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RecomputePasses();
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}
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void SetupPass(ERglTevStage stage, const CTevPass& pass) {
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if (pass == kEnvPassthru) {
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DeletePass(stage);
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return;
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}
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if (SetPassCombiners(stage, pass)) {
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sValidPasses[static_cast<size_t>(stage)] = true;
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RecomputePasses();
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}
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}
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void DeletePass(ERglTevStage stage) {
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SetPassCombiners(stage, kEnvPassthru);
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sValidPasses[static_cast<size_t>(stage)] = false;
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RecomputePasses();
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}
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bool SetPassCombiners(ERglTevStage stage, const CTevPass& pass) {
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pass.Execute(stage);
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return true;
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}
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void RecomputePasses() {
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sNumEnabledPasses = 1 - static_cast<int>(sValidPasses[maxTevPasses - 1]);
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CGX::SetNumTevStages(sNumEnabledPasses);
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}
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void ResetStates() {
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sValidPasses.fill(false);
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kEnvPassthru.Execute(ERglTevStage::Stage0);
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sNumEnabledPasses = 1;
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CGX::SetNumTevStages(1);
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}
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} // namespace metaforce::CTevCombiners
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