Revert "[vulkan] Added conservative path for RoundingModeRTZ + instrumentalization for shaders use"

src/shader_recompiler/backend/spirv/emit_spirv.cpp

@@ -509,7 +509,6 @@ std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_in
     if (profile.support_float_controls) {
         ctx.AddExtension("SPV_KHR_float_controls");
         SetupDenormControl(profile, program, ctx, main);
-        SetupRoundingControl(profile, program, ctx, main);
         SetupSignedNanCapabilities(profile, program, ctx, main);
     }
     SetupCapabilities(profile, program.info, ctx);

src/shader_recompiler/profile.h

@@ -21,7 +21,6 @@ struct Profile {
     bool support_float_controls{};
     bool support_separate_denorm_behavior{};
     bool support_separate_rounding_mode{};
-    bool support_fp32_rounding_rtz{};
     bool support_fp16_denorm_preserve{};
     bool support_fp32_denorm_preserve{};
     bool support_fp16_denorm_flush{};

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -194,7 +194,6 @@ ShaderCache::ShaderCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
           .support_float_controls = false,
           .support_separate_denorm_behavior = false,
           .support_separate_rounding_mode = false,
-          .support_fp32_rounding_rtz = false,
           .support_fp16_denorm_preserve = false,
           .support_fp32_denorm_preserve = false,
           .support_fp16_denorm_flush = false,

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -377,7 +377,6 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
             float_control.denormBehaviorIndependence == VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_ALL,
         .support_separate_rounding_mode =
             float_control.roundingModeIndependence == VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_ALL,
-        .support_fp32_rounding_rtz = float_control.shaderRoundingModeRTZFloat32 != VK_FALSE,
         .support_fp16_denorm_preserve = float_control.shaderDenormPreserveFloat16 != VK_FALSE,
         .support_fp32_denorm_preserve = float_control.shaderDenormPreserveFloat32 != VK_FALSE,
         .support_fp16_denorm_flush = float_control.shaderDenormFlushToZeroFloat16 != VK_FALSE,