diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 6834d7085..dabf98b74 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -383,15 +383,13 @@ public: } } - std::string GetUniformIndirect(u64 index, s64 offset, const Register& index_reg, + std::string GetUniformIndirect(u64 cbuf_index, s64 offset, const std::string& index_str, GLSLRegister::Type type) { - declr_const_buffers[index].MarkAsUsedIndirect(index, stage); + declr_const_buffers[cbuf_index].MarkAsUsedIndirect(cbuf_index, stage); - std::string final_offset = "((floatBitsToInt(" + GetRegister(index_reg, 0) + ") + " + - std::to_string(offset) + ") / 4)"; - - std::string value = - 'c' + std::to_string(index) + '[' + final_offset + " / 4][" + final_offset + " % 4]"; + std::string final_offset = fmt::format("({} + {})", index_str, offset / 4); + std::string value = 'c' + std::to_string(cbuf_index) + '[' + final_offset + " / 4][" + + final_offset + " % 4]"; if (type == GLSLRegister::Type::Float) { return value; @@ -1355,11 +1353,16 @@ private: case OpCode::Id::LD_C: { ASSERT_MSG(instr.ld_c.unknown == 0, "Unimplemented"); + // Add an extra scope and declare the index register inside to prevent + // overwriting it in case it is used as an output of the LD instruction. + shader.AddLine("{"); + ++shader.scope; + + shader.AddLine("uint index = (" + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + + " / 4) & (MAX_CONSTBUFFER_ELEMENTS - 1);"); + std::string op_a = - regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 0, instr.gpr8, - GLSLRegister::Type::Float); - std::string op_b = - regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 4, instr.gpr8, + regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 0, "index", GLSLRegister::Type::Float); switch (instr.ld_c.type.Value()) { @@ -1367,16 +1370,22 @@ private: regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1); break; - case Tegra::Shader::UniformType::Double: + case Tegra::Shader::UniformType::Double: { + std::string op_b = + regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 4, + "index", GLSLRegister::Type::Float); regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1); regs.SetRegisterToFloat(instr.gpr0.Value() + 1, 0, op_b, 1, 1); break; - + } default: LOG_CRITICAL(HW_GPU, "Unhandled type: {}", static_cast<unsigned>(instr.ld_c.type.Value())); UNREACHABLE(); } + + --shader.scope; + shader.AddLine("}"); break; } case OpCode::Id::ST_A: { |