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glsl: Fix <32-bit SSBO writes
and more cleanup
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parent
34fdb6471d
commit
0a0b0a73d8
@ -433,8 +433,7 @@ void EmitContext::DefineHelperFunctions() {
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}
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std::string EmitContext::DefineGlobalMemoryFunctions() {
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const auto define_body{[&](std::string& func, size_t index, u32 num_components,
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std::string_view return_statement) {
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const auto define_body{[&](std::string& func, size_t index, std::string_view return_statement) {
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const auto& ssbo{info.storage_buffers_descriptors[index]};
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const u32 size_cbuf_offset{ssbo.cbuf_offset + 8};
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const auto ssbo_addr{fmt::format("ssbo_addr{}", index)};
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@ -458,42 +457,31 @@ std::string EmitContext::DefineGlobalMemoryFunctions() {
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func += comparison;
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const auto ssbo_name{fmt::format("{}_ssbo{}", stage_name, index)};
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switch (num_components) {
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case 1:
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func += fmt::format(return_statement, ssbo_name, ssbo_addr);
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break;
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case 2:
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func += fmt::format(return_statement, ssbo_name, ssbo_addr, ssbo_name, ssbo_addr);
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break;
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case 4:
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func += fmt::format(return_statement, ssbo_name, ssbo_addr, ssbo_name, ssbo_addr,
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ssbo_name, ssbo_addr, ssbo_name, ssbo_addr);
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break;
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}
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}};
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std::string write_func{"void WriteGlobal32(uint64_t addr,uint data){\n"};
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std::string write_func_64{"void WriteGlobal64(uint64_t addr,uvec2 data){\n"};
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std::string write_func_128{"void WriteGlobal128(uint64_t addr,uvec4 data){\n"};
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std::string load_func{"uint LoadGlobal32(uint64_t addr){\n"};
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std::string load_func_64{"uvec2 LoadGlobal64(uint64_t addr){\n"};
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std::string load_func_128{"uvec4 LoadGlobal128(uint64_t addr){\n"};
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std::string write_func{"void WriteGlobal32(uint64_t addr,uint data){"};
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std::string write_func_64{"void WriteGlobal64(uint64_t addr,uvec2 data){"};
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std::string write_func_128{"void WriteGlobal128(uint64_t addr,uvec4 data){"};
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std::string load_func{"uint LoadGlobal32(uint64_t addr){"};
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std::string load_func_64{"uvec2 LoadGlobal64(uint64_t addr){"};
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std::string load_func_128{"uvec4 LoadGlobal128(uint64_t addr){"};
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const size_t num_buffers{info.storage_buffers_descriptors.size()};
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for (size_t index = 0; index < num_buffers; ++index) {
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if (!info.nvn_buffer_used[index]) {
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continue;
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}
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define_body(write_func, index, 1, "{}[uint(addr-{})>>2]=data;return;}}");
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define_body(write_func_64, index, 2,
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"{}[uint(addr-{})>>2]=data.x;{}[uint(addr-{}+4)>>2]=data.y;return;}}");
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define_body(write_func_128, index, 4,
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"{}[uint(addr-{})>>2]=data.x;{}[uint(addr-{}+4)>>2]=data.y;{}[uint("
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"addr-{}+8)>>2]=data.z;{}[uint(addr-{}+12)>>2]=data.w;return;}}");
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define_body(load_func, index, 1, "return {}[uint(addr-{})>>2];}}");
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define_body(load_func_64, index, 2,
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"return uvec2({}[uint(addr-{})>>2],{}[uint(addr-{}+4)>>2]);}}");
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define_body(load_func_128, index, 4,
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"return uvec4({}[uint(addr-{})>>2],{}[uint(addr-{}+4)>>2],{}["
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"uint(addr-{}+8)>>2],{}[uint(addr-{}+12)>>2]);}}");
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define_body(write_func, index, "{0}[uint(addr-{1})>>2]=data;return;}}");
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define_body(write_func_64, index,
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"{0}[uint(addr-{1})>>2]=data.x;{0}[uint(addr-{1}+4)>>2]=data.y;return;}}");
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define_body(write_func_128, index,
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"{0}[uint(addr-{1})>>2]=data.x;{0}[uint(addr-{1}+4)>>2]=data.y;{0}[uint("
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"addr-{1}+8)>>2]=data.z;{0}[uint(addr-{1}+12)>>2]=data.w;return;}}");
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define_body(load_func, index, "return {0}[uint(addr-{1})>>2];}}");
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define_body(load_func_64, index,
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"return uvec2({0}[uint(addr-{1})>>2],{0}[uint(addr-{1}+4)>>2]);}}");
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define_body(load_func_128, index,
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"return uvec4({0}[uint(addr-{1})>>2],{0}[uint(addr-{1}+4)>>2],{0}["
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"uint(addr-{1}+8)>>2],{0}[uint(addr-{1}+12)>>2]);}}");
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}
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write_func += "}";
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write_func_64 += "}";
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@ -11,11 +11,8 @@
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namespace Shader::Backend::GLSL {
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namespace {
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constexpr const char cas_loop[]{R"(for (;;){{
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uint old_value={};
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{}=atomicCompSwap({},old_value,{}({},{}));
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if ({}==old_value){{break;}}
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}})"};
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constexpr char cas_loop[]{
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"for (;;){{uint old={};{}=atomicCompSwap({},old,{}({},{}));if({}==old){{break;}}}}"};
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void SharedCasFunction(EmitContext& ctx, IR::Inst& inst, std::string_view offset,
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std::string_view value, std::string_view function) {
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@ -11,7 +11,7 @@
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namespace Shader::Backend::GLSL {
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namespace {
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static constexpr std::string_view SWIZZLE{"xyzw"};
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constexpr char SWIZZLE[]{"xyzw"};
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u32 CbufIndex(u32 offset) {
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return (offset / 4) % 4;
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@ -9,6 +9,18 @@
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#include "shader_recompiler/frontend/ir/value.h"
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namespace Shader::Backend::GLSL {
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namespace {
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constexpr char cas_loop[]{"for(;;){{uint old_value={};uint "
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"cas_result=atomicCompSwap({},old_value,bitfieldInsert({},{},{},{}));"
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"if(cas_result==old_value){{break;}}}}"};
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void SsboWriteCas(EmitContext& ctx, const IR::Value& binding, std::string_view offset_var,
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std::string_view value, std::string_view bit_offset, u32 num_bits) {
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const auto ssbo{fmt::format("{}_ssbo{}[{}>>2]", ctx.stage_name, binding.U32(), offset_var)};
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ctx.Add(cas_loop, ssbo, ssbo, ssbo, value, bit_offset, num_bits);
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}
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} // Anonymous namespace
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void EmitLoadGlobalU8([[maybe_unused]] EmitContext& ctx) {
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NotImplemented();
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}
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@ -125,9 +137,8 @@ void EmitWriteStorageU8([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] std::string_view value) {
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const auto offset_var{ctx.var_alloc.Consume(offset)};
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ctx.Add("{}_ssbo{}[{}>>2]=bitfieldInsert({}_ssbo{}[{}>>2],{},int({}%4)*8,8);", ctx.stage_name,
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binding.U32(), offset_var, ctx.stage_name, binding.U32(), offset_var, value,
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offset_var);
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const auto bit_offset{fmt::format("int({}%4)*8", offset_var)};
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SsboWriteCas(ctx, binding, offset_var, value, bit_offset, 8);
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}
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void EmitWriteStorageS8([[maybe_unused]] EmitContext& ctx,
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@ -135,9 +146,8 @@ void EmitWriteStorageS8([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] std::string_view value) {
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const auto offset_var{ctx.var_alloc.Consume(offset)};
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ctx.Add("{}_ssbo{}[{}>>2]=bitfieldInsert({}_ssbo{}[{}>>2],{},int({}%4)*8,8);", ctx.stage_name,
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binding.U32(), offset_var, ctx.stage_name, binding.U32(), offset_var, value,
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offset_var);
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const auto bit_offset{fmt::format("int({}%4)*8", offset_var)};
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SsboWriteCas(ctx, binding, offset_var, value, bit_offset, 8);
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}
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void EmitWriteStorageU16([[maybe_unused]] EmitContext& ctx,
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@ -145,9 +155,8 @@ void EmitWriteStorageU16([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] std::string_view value) {
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const auto offset_var{ctx.var_alloc.Consume(offset)};
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ctx.Add("{}_ssbo{}[{}>>2]=bitfieldInsert({}_ssbo{}[{}>>2],{},int(({}>>1)%2)*16,16);",
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ctx.stage_name, binding.U32(), offset_var, ctx.stage_name, binding.U32(), offset_var,
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value, offset_var);
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const auto bit_offset{fmt::format("int(({}>>1)%2)*16", offset_var)};
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SsboWriteCas(ctx, binding, offset_var, value, bit_offset, 16);
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}
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void EmitWriteStorageS16([[maybe_unused]] EmitContext& ctx,
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@ -155,9 +164,8 @@ void EmitWriteStorageS16([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] const IR::Value& offset,
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[[maybe_unused]] std::string_view value) {
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const auto offset_var{ctx.var_alloc.Consume(offset)};
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ctx.Add("{}_ssbo{}[{}>>2]=bitfieldInsert({}_ssbo{}[{}>>2],{},int(({}>>1)%2)*16,16);",
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ctx.stage_name, binding.U32(), offset_var, ctx.stage_name, binding.U32(), offset_var,
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value, offset_var);
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const auto bit_offset{fmt::format("int(({}>>1)%2)*16", offset_var)};
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SsboWriteCas(ctx, binding, offset_var, value, bit_offset, 16);
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}
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void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
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