Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

gl_shader_decompiler: Implement TEX instruction.

Browse source
This commit is contained in:
bunnei 2018-05-31 23:22:21 -04:00
parent 4c727d0ba8
commit 888eb345c0
2 changed files with 36 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

27
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -891,6 +891,32 @@ private:
instr.gpr0);
break;
}
case OpCode::Id::TEX: {
ASSERT_MSG(instr.attribute.fmt20.size == 4, "untested");
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string sampler = GetSampler(instr.sampler);
const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
// Add an extra scope and declare the texture coords inside to prevent overwriting
// them in case they are used as outputs of the texs instruction.
shader.AddLine("{");
++shader.scope;
shader.AddLine(coord);
const std::string texture = "texture(" + sampler + ", coords)";
size_t dest_elem{};
for (size_t elem = 0; elem < instr.attribute.fmt20.size; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;
}
regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem);
++dest_elem;
}
--shader.scope;
shader.AddLine("}");
break;
}
case OpCode::Id::TEXS: {
ASSERT_MSG(instr.attribute.fmt20.size == 4, "untested");
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
@ -921,7 +947,6 @@ private:
}
offset += 2;
}
--shader.scope;
shader.AddLine("}");
break;