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rsx: vp decompiler fixes
- Fix program abort logic to never abort before resolving later label addresses Fixes jumping over broken code and jumping over END markers - TEXTURE_CONTROL2 has indexing range of [0..15] without stride skipping! This register does not have interleaving with other texture registers - Track shader address poke as it seems to invalidate programs as well
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66854b78fa
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@ -428,6 +428,7 @@ std::string VertexProgramDecompiler::Decompile()
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bool is_has_BRA = false;
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bool program_end = false;
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u32 i = 1;
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u32 last_label_addr = 0;
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while (i < m_data.size())
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{
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@ -443,29 +444,36 @@ std::string VertexProgramDecompiler::Decompile()
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switch (d1.sca_opcode)
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{
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case RSX_SCA_OPCODE_BRA:
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{
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LOG_ERROR(RSX, "Unimplemented VP opcode BRA");
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is_has_BRA = true;
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m_jump_lvls.clear();
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d3.HEX = m_data[++i];
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i += 4;
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break;
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}
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case RSX_SCA_OPCODE_BRB:
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case RSX_SCA_OPCODE_BRI:
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case RSX_SCA_OPCODE_CAL:
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case RSX_SCA_OPCODE_CLI:
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case RSX_SCA_OPCODE_CLB:
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{
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d2.HEX = m_data[i++];
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d3.HEX = m_data[i];
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i += 2;
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m_jump_lvls.emplace(GetAddr());
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break;
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const u32 label_addr = GetAddr();
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last_label_addr = std::max(last_label_addr, label_addr);
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m_jump_lvls.emplace(label_addr);
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break;
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}
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default:
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{
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d3.HEX = m_data[++i];
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i += 2;
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break;
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}
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}
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}
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}
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@ -565,8 +573,7 @@ std::string VertexProgramDecompiler::Decompile()
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if (!src[0].reg_type || !src[1].reg_type || !src[2].reg_type)
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{
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AddCode("//Src check failed. Aborting");
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do_program_exit(true);
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break;
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program_end = true;
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}
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if (m_call_stack.empty())
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@ -584,8 +591,6 @@ std::string VertexProgramDecompiler::Decompile()
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}
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}
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program_end = !!d3.end;
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switch (d1.vec_opcode)
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{
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case RSX_VEC_OPCODE_NOP: break;
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@ -640,7 +645,7 @@ std::string VertexProgramDecompiler::Decompile()
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{
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if (m_call_stack.empty())
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{
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AddCode("$if ($cond) //BRA");
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AddCode("$ifcond //BRA");
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AddCode("{");
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m_cur_instr->open_scopes++;
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AddCode("jump_position = $a$am;");
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@ -698,8 +703,6 @@ std::string VertexProgramDecompiler::Decompile()
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case RSX_SCA_OPCODE_BRB:
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// works differently (BRB o[1].x !b0, L0;)
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{
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LOG_WARNING(RSX, "sca_opcode BRB, d0=0x%X, d1=0x%X, d2=0x%X, d3=0x%X", d0.HEX, d1.HEX, d2.HEX, d3.HEX);
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if (m_call_stack.empty())
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{
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u32 jump_position = find_jump_lvl(GetAddr());
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@ -742,10 +745,20 @@ std::string VertexProgramDecompiler::Decompile()
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break;
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}
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if (program_end)
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if (program_end || !!d3.end)
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{
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do_program_exit(!d3.end);
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break;
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if (i >= last_label_addr)
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{
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if ((i + 1) < m_instr_count)
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{
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// In rare cases, this might be harmless (large coalesced program blocks controlled via branches aka ubershaders)
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LOG_ERROR(RSX, "Vertex program aborted prematurely. Expect glitches");
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}
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break;
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}
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}
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}
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@ -340,9 +340,11 @@ namespace rsx
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static constexpr u32 reg = index / 4;
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static constexpr u8 subreg = index % 4;
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u32 load = rsx::method_registers.transform_constant_load();
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if ((load + index) >= 512)
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const u32 load = rsx::method_registers.transform_constant_load();
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const u32 address = load + reg;
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if (address >= 468)
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{
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// Ignore addresses outside the usable [0, 467] range
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LOG_ERROR(RSX, "Invalid transform register index (load=%d, index=%d)", load, index);
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return;
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}
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@ -538,7 +540,7 @@ namespace rsx
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rsx->sync();
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}
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void invalidate_L2(thread* rsx, u32, u32)
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void set_shader_program_dirty(thread* rsx, u32, u32)
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{
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rsx->m_graphics_state |= rsx::pipeline_state::fragment_program_dirty;
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}
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@ -1757,7 +1759,7 @@ namespace rsx
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bind_range<NV4097_SET_TEXTURE_ADDRESS, 8, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_CONTROL0, 8, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_CONTROL1, 8, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_CONTROL2, 8, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_CONTROL2, 1, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_CONTROL3, 1, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_FILTER, 8, 16, nv4097::set_texture_dirty_bit>();
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bind_range<NV4097_SET_TEXTURE_IMAGE_RECT, 8, 16, nv4097::set_texture_dirty_bit>();
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@ -1782,7 +1784,8 @@ namespace rsx
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bind<NV4097_WAIT_FOR_IDLE, nv4097::sync>();
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bind<NV4097_ZCULL_SYNC, nv4097::sync>();
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bind<NV4097_SET_CONTEXT_DMA_REPORT, nv4097::sync>();
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bind<NV4097_INVALIDATE_L2, nv4097::invalidate_L2>();
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bind<NV4097_INVALIDATE_L2, nv4097::set_shader_program_dirty>();
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bind<NV4097_SET_SHADER_PROGRAM, nv4097::set_shader_program_dirty>();
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bind<NV4097_SET_TRANSFORM_PROGRAM_START, nv4097::set_transform_program_start>();
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bind<NV4097_SET_VERTEX_ATTRIB_OUTPUT_MASK, nv4097::set_vertex_attribute_output_mask>();
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