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 | 84 |
1 files changed, 40 insertions, 44 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 0ce59a852..4f2b49170 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1379,6 +1379,26 @@ private: return GenerateUnary(operation, "float", Type::Float, type); } + Expression FSwizzleAdd(Operation operation) { + const std::string op_a = VisitOperand(operation, 0).AsFloat(); + const std::string op_b = VisitOperand(operation, 1).AsFloat(); + + if (!device.HasShaderBallot()) { + LOG_ERROR(Render_OpenGL, "Shader ballot is unavailable but required by the shader"); + return {fmt::format("{} + {}", op_a, op_b), Type::Float}; + } + + const std::string instr_mask = VisitOperand(operation, 2).AsUint(); + const std::string mask = code.GenerateTemporary(); + code.AddLine("uint {} = ({} >> ((gl_SubGroupInvocationARB & 3) << 1)) & 3;", mask, + instr_mask); + + const std::string modifier_a = fmt::format("fswzadd_modifiers_a[{}]", mask); + const std::string modifier_b = fmt::format("fswzadd_modifiers_b[{}]", mask); + return {fmt::format("(({} * {}) + ({} * {}))", op_a, modifier_a, op_b, modifier_b), + Type::Float}; + } + Expression ICastFloat(Operation operation) { return GenerateUnary(operation, "int", Type::Int, Type::Float); } @@ -1872,10 +1892,6 @@ private: Expression EmitVertex(Operation operation) { ASSERT_MSG(stage == ProgramType::Geometry, "EmitVertex is expected to be used in a geometry shader."); - - // If a geometry shader is attached, it will always flip (it's the last stage before - // fragment). For more info about flipping, refer to gl_shader_gen.cpp. - code.AddLine("gl_Position.xy *= viewport_flip.xy;"); code.AddLine("EmitVertex();"); return {}; } @@ -1883,14 +1899,12 @@ private: Expression EndPrimitive(Operation operation) { ASSERT_MSG(stage == ProgramType::Geometry, "EndPrimitive is expected to be used in a geometry shader."); - code.AddLine("EndPrimitive();"); return {}; } Expression YNegate(Operation operation) { - // Config pack's third value is Y_NEGATE's state. - return {"config_pack[2]", Type::Uint}; + return {"y_direction", Type::Float}; } template <u32 element> @@ -1942,34 +1956,24 @@ private: return Vote(operation, "allThreadsEqualNV"); } - template <const std::string_view& func> - Expression Shuffle(Operation operation) { - const std::string value = VisitOperand(operation, 0).AsFloat(); - if (!device.HasWarpIntrinsics()) { - LOG_ERROR(Render_OpenGL, "Nvidia shuffle intrinsics are required by this shader"); - // On a "single-thread" device we are either on the same thread or out of bounds. Both - // cases return the passed value. - return {value, Type::Float}; + Expression ThreadId(Operation operation) { + if (!device.HasShaderBallot()) { + LOG_ERROR(Render_OpenGL, "Shader ballot is unavailable but required by the shader"); + return {"0U", Type::Uint}; } - - const std::string index = VisitOperand(operation, 1).AsUint(); - const std::string width = VisitOperand(operation, 2).AsUint(); - return {fmt::format("{}({}, {}, {})", func, value, index, width), Type::Float}; + return {"gl_SubGroupInvocationARB", Type::Uint}; } - template <const std::string_view& func> - Expression InRangeShuffle(Operation operation) { - const std::string index = VisitOperand(operation, 0).AsUint(); - const std::string width = VisitOperand(operation, 1).AsUint(); - if (!device.HasWarpIntrinsics()) { - // On a "single-thread" device we are only in bounds when the requested index is 0. - return {fmt::format("({} == 0U)", index), Type::Bool}; + Expression ShuffleIndexed(Operation operation) { + std::string value = VisitOperand(operation, 0).AsFloat(); + + if (!device.HasShaderBallot()) { + LOG_ERROR(Render_OpenGL, "Shader ballot is unavailable but required by the shader"); + return {std::move(value), Type::Float}; } - const std::string in_range = code.GenerateTemporary(); - code.AddLine("bool {};", in_range); - code.AddLine("{}(0U, {}, {}, {});", func, index, width, in_range); - return {in_range, Type::Bool}; + const std::string index = VisitOperand(operation, 1).AsUint(); + return {fmt::format("readInvocationARB({}, {})", value, index), Type::Float}; } struct Func final { @@ -1981,11 +1985,6 @@ private: static constexpr std::string_view Or = "Or"; static constexpr std::string_view Xor = "Xor"; static constexpr std::string_view Exchange = "Exchange"; - - static constexpr std::string_view ShuffleIndexed = "shuffleNV"; - static constexpr std::string_view ShuffleUp = "shuffleUpNV"; - static constexpr std::string_view ShuffleDown = "shuffleDownNV"; - static constexpr std::string_view ShuffleButterfly = "shuffleXorNV"; }; static constexpr std::array operation_decompilers = { @@ -2016,6 +2015,7 @@ private: &GLSLDecompiler::FTrunc, &GLSLDecompiler::FCastInteger<Type::Int>, &GLSLDecompiler::FCastInteger<Type::Uint>, + &GLSLDecompiler::FSwizzleAdd, &GLSLDecompiler::Add<Type::Int>, &GLSLDecompiler::Mul<Type::Int>, @@ -2151,15 +2151,8 @@ private: &GLSLDecompiler::VoteAny, &GLSLDecompiler::VoteEqual, - &GLSLDecompiler::Shuffle<Func::ShuffleIndexed>, - &GLSLDecompiler::Shuffle<Func::ShuffleUp>, - &GLSLDecompiler::Shuffle<Func::ShuffleDown>, - &GLSLDecompiler::Shuffle<Func::ShuffleButterfly>, - - &GLSLDecompiler::InRangeShuffle<Func::ShuffleIndexed>, - &GLSLDecompiler::InRangeShuffle<Func::ShuffleUp>, - &GLSLDecompiler::InRangeShuffle<Func::ShuffleDown>, - &GLSLDecompiler::InRangeShuffle<Func::ShuffleButterfly>, + &GLSLDecompiler::ThreadId, + &GLSLDecompiler::ShuffleIndexed, }; static_assert(operation_decompilers.size() == static_cast<std::size_t>(OperationCode::Amount)); @@ -2492,6 +2485,9 @@ bvec2 HalfFloatNanComparison(bvec2 comparison, vec2 pair1, vec2 pair2) { bvec2 is_nan2 = isnan(pair2); return bvec2(comparison.x || is_nan1.x || is_nan2.x, comparison.y || is_nan1.y || is_nan2.y); } + +const float fswzadd_modifiers_a[] = float[4](-1.0f, 1.0f, -1.0f, 0.0f ); +const float fswzadd_modifiers_b[] = float[4](-1.0f, -1.0f, 1.0f, -1.0f ); )"; } |