From 802c23b8a8f1a14100fb9b291482ae197ba53293 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Thu, 13 Dec 2018 18:35:07 -0300
Subject: [PATCH] shader_decode: Implement TMML
---
src/video_core/shader/decode/memory.cpp | 48 +++++++++++++++++++++++--
1 file changed, 45 insertions(+), 3 deletions(-)
diff --git a/src/video_core/shader/decode/memory.cpp b/src/video_core/shader/decode/memory.cpp
index 220238ce8..d8265d3fd 100644
--- a/src/video_core/shader/decode/memory.cpp
+++ b/src/video_core/shader/decode/memory.cpp
@@ -112,7 +112,7 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
"AOFFI is not implemented");
if (instr.tex.UsesMiscMode(TextureMiscMode::NODEP)) {
- LOG_WARNING(HW_GPU, "TEX.NODEP is not implemented");
+ LOG_WARNING(HW_GPU, "TEX.NODEP implementation is incomplete");
}
const Node texture = GetTexCode(instr, texture_type, process_mode, depth_compare, is_array);
@@ -240,7 +240,7 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
"AOFFI is not implemented");
if (instr.tld4s.UsesMiscMode(TextureMiscMode::NODEP)) {
- LOG_WARNING(HW_GPU, "TLD4S.NODEP is not implemented");
+ LOG_WARNING(HW_GPU, "TLD4S.NODEP implementation is incomplete");
}
const bool depth_compare = instr.tld4s.UsesMiscMode(TextureMiscMode::DC);
@@ -273,7 +273,7 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
}
case OpCode::Id::TXQ: {
if (instr.txq.UsesMiscMode(TextureMiscMode::NODEP)) {
- LOG_WARNING(HW_GPU, "TXQ.NODEP is not implemented");
+ LOG_WARNING(HW_GPU, "TXQ.NODEP implementation is incomplete");
}
// TODO: The new commits on the texture refactor, change the way samplers work.
@@ -304,6 +304,48 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
}
break;
}
+ case OpCode::Id::TMML: {
+ UNIMPLEMENTED_IF_MSG(instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
+ "NDV is not implemented");
+
+ if (instr.tmml.UsesMiscMode(TextureMiscMode::NODEP)) {
+ LOG_WARNING(HW_GPU, "TMML.NODEP implementation is incomplete");
+ }
+
+ auto texture_type = instr.tmml.texture_type.Value();
+ const bool is_array = instr.tmml.array != 0;
+ const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false);
+
+ std::vector<Node> coords;
+
+ // TODO: Add coordinates for different samplers once other texture types are implemented.
+ switch (texture_type) {
+ case TextureType::Texture1D:
+ coords.push_back(GetRegister(instr.gpr8));
+ break;
+ case TextureType::Texture2D:
+ coords.push_back(GetRegister(instr.gpr8.Value() + 0));
+ coords.push_back(GetRegister(instr.gpr8.Value() + 1));
+ break;
+ default:
+ UNIMPLEMENTED_MSG("Unhandled texture type {}", static_cast<u32>(texture_type));
+
+ // Fallback to interpreting as a 2D texture for now
+ coords.push_back(GetRegister(instr.gpr8.Value() + 0));
+ coords.push_back(GetRegister(instr.gpr8.Value() + 1));
+ texture_type = TextureType::Texture2D;
+ }
+
+ const MetaTexture meta_texture{sampler, static_cast<u32>(coords.size())};
+ const Node texture =
+ Operation(OperationCode::F4TextureQueryLod, meta_texture, std::move(coords));
+
+ const MetaComponents meta_composite{{0, 1, 2, 3}};
+ bb.push_back(Operation(OperationCode::AssignComposite, meta_composite, texture,
+ GetRegister(instr.gpr0), GetRegister(instr.gpr0.Value() + 1),
+ GetRegister(RZ), GetRegister(RZ)));
+ break;
+ }
default:
UNIMPLEMENTED_MSG("Unhandled memory instruction: {}", opcode->get().GetName());
}