radv: enable more float_controls features

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5773>

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 80c87fb..18767a3 100644 (file)
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -1557,30 +1557,29 @@ radv_get_physical_device_properties_1_2(struct radv_physical_device *pdevice,
                p->roundingModeIndependence = VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_ALL_KHR;
        }
 
-       /* Do not allow both preserving and flushing denorms because different
-        * shaders in the same pipeline can have different settings and this
-        * won't work for merged shaders. To make it work, this requires LLVM
+       /* With LLVM, do not allow both preserving and flushing denorms because
+        * different shaders in the same pipeline can have different settings and
+        * this won't work for merged shaders. To make it work, this requires LLVM
         * support for changing the register. The same logic applies for the
         * rounding modes because they are configured with the same config
-        * register. TODO: we can enable a lot of these for ACO when it
-        * supports all stages.
+        * register.
         */
        p->shaderDenormFlushToZeroFloat32 = true;
-       p->shaderDenormPreserveFloat32 = false;
+       p->shaderDenormPreserveFloat32 = !pdevice->use_llvm;
        p->shaderRoundingModeRTEFloat32 = true;
-       p->shaderRoundingModeRTZFloat32 = false;
+       p->shaderRoundingModeRTZFloat32 = !pdevice->use_llvm;
        p->shaderSignedZeroInfNanPreserveFloat32 = true;
 
-       p->shaderDenormFlushToZeroFloat16 = false;
+       p->shaderDenormFlushToZeroFloat16 = pdevice->rad_info.has_packed_math_16bit && !pdevice->use_llvm;
        p->shaderDenormPreserveFloat16 = pdevice->rad_info.has_packed_math_16bit;
        p->shaderRoundingModeRTEFloat16 = pdevice->rad_info.has_packed_math_16bit;
-       p->shaderRoundingModeRTZFloat16 = false;
+       p->shaderRoundingModeRTZFloat16 = pdevice->rad_info.has_packed_math_16bit && !pdevice->use_llvm;
        p->shaderSignedZeroInfNanPreserveFloat16 = pdevice->rad_info.has_packed_math_16bit;
 
-       p->shaderDenormFlushToZeroFloat64 = false;
+       p->shaderDenormFlushToZeroFloat64 = pdevice->rad_info.chip_class >= GFX8 && !pdevice->use_llvm;
        p->shaderDenormPreserveFloat64 = pdevice->rad_info.chip_class >= GFX8;
        p->shaderRoundingModeRTEFloat64 = pdevice->rad_info.chip_class >= GFX8;
-       p->shaderRoundingModeRTZFloat64 = false;
+       p->shaderRoundingModeRTZFloat64 = pdevice->rad_info.chip_class >= GFX8 && !pdevice->use_llvm;
        p->shaderSignedZeroInfNanPreserveFloat64 = pdevice->rad_info.chip_class >= GFX8;
 
        p->maxUpdateAfterBindDescriptorsInAllPools = UINT32_MAX / 64;