diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 45 |
1 files changed, 10 insertions, 35 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 7831067d4..0bba8fa5a 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -854,14 +854,12 @@ private: } if (precise && stage != Maxwell3D::Regs::ShaderStage::Fragment) { - shader.AddLine('{'); - ++shader.scope; + const auto scope = shader.Scope(); + // This avoids optimizations of constant propagation and keeps the code as the original // Sadly using the precise keyword causes "linking" errors on fragment shaders. shader.AddLine("precise float tmp = " + src + ';'); shader.AddLine(dest + " = tmp;"); - --shader.scope; - shader.AddLine('}'); } else { shader.AddLine(dest + " = " + src + ';'); } @@ -1382,12 +1380,10 @@ private: * top. */ void EmitPushToFlowStack(u32 target) { - shader.AddLine('{'); - ++shader.scope; + const auto scope = shader.Scope(); + shader.AddLine("flow_stack[flow_stack_top] = " + std::to_string(target) + "u;"); shader.AddLine("flow_stack_top++;"); - --shader.scope; - shader.AddLine('}'); } /* @@ -1395,13 +1391,11 @@ private: * popped address and decrementing the stack top. */ void EmitPopFromFlowStack() { - shader.AddLine('{'); - ++shader.scope; + const auto scope = shader.Scope(); + shader.AddLine("flow_stack_top--;"); shader.AddLine("jmp_to = flow_stack[flow_stack_top];"); shader.AddLine("break;"); - --shader.scope; - shader.AddLine('}'); } /// Writes the output values from a fragment shader to the corresponding GLSL output variables. @@ -2313,8 +2307,7 @@ private: UNIMPLEMENTED_IF(instr.conversion.selector); UNIMPLEMENTED_IF_MSG(instr.generates_cc, "Condition codes generation in I2F is not implemented"); - - std::string op_a{}; + std::string op_a; if (instr.is_b_gpr) { op_a = @@ -2470,10 +2463,7 @@ private: case OpCode::Id::LD_C: { UNIMPLEMENTED_IF(instr.ld_c.unknown != 0); - // 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; + const auto scope = shader.Scope(); shader.AddLine("uint index = (" + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + " / 4) & (MAX_CONSTBUFFER_ELEMENTS - 1);"); @@ -2499,19 +2489,13 @@ private: UNIMPLEMENTED_MSG("Unhandled type: {}", static_cast<unsigned>(instr.ld_c.type.Value())); } - - --shader.scope; - shader.AddLine("}"); break; } case OpCode::Id::LD_L: { UNIMPLEMENTED_IF_MSG(instr.ld_l.unknown == 1, "LD_L Unhandled mode: {}", static_cast<unsigned>(instr.ld_l.unknown.Value())); - // 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; + const auto scope = shader.Scope(); std::string op = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + " + " + std::to_string(instr.smem_imm.Value()) + ')'; @@ -2528,9 +2512,6 @@ private: UNIMPLEMENTED_MSG("LD_L Unhandled type: {}", static_cast<unsigned>(instr.ldst_sl.type.Value())); } - - --shader.scope; - shader.AddLine('}'); break; } case OpCode::Id::ST_A: { @@ -2565,10 +2546,7 @@ private: UNIMPLEMENTED_IF_MSG(instr.st_l.unknown == 0, "ST_L Unhandled mode: {}", static_cast<unsigned>(instr.st_l.unknown.Value())); - // 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; + const auto scope = shader.Scope(); std::string op = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + " + " + std::to_string(instr.smem_imm.Value()) + ')'; @@ -2583,9 +2561,6 @@ private: UNIMPLEMENTED_MSG("ST_L Unhandled type: {}", static_cast<unsigned>(instr.ldst_sl.type.Value())); } - - --shader.scope; - shader.AddLine('}'); break; } case OpCode::Id::TEX: { |