Cleanup: Remove Cycles device checks for half float.

All supported devices support half float now, so we can remove the check.

Differential Revision: https://developer.blender.org/D13021

intern/cycles/device/cpu/device.cpp

@@ -38,7 +38,6 @@ void device_cpu_info(vector<DeviceInfo> &devices)
   info.id = "CPU";
   info.num = 0;
   info.has_osl = true;
-  info.has_half_images = true;
   info.has_nanovdb = true;
   info.has_profiling = true;
   if (openimagedenoise_supported()) {

intern/cycles/device/cuda/device.cpp

@@ -144,7 +144,6 @@ void device_cuda_info(vector<DeviceInfo> &devices)
     info.description = string(name);
     info.num = num;
 
-    info.has_half_images = (major >= 3);
     info.has_nanovdb = true;
     info.denoisers = 0;
 

intern/cycles/device/device.cpp

@@ -285,7 +285,6 @@ DeviceInfo Device::get_multi_device(const vector<DeviceInfo> &subdevices,
   info.description = "Multi Device";
   info.num = 0;
 
-  info.has_half_images = true;
   info.has_nanovdb = true;
   info.has_osl = true;
   info.has_profiling = true;
@@ -332,7 +331,6 @@ DeviceInfo Device::get_multi_device(const vector<DeviceInfo> &subdevices,
     }
 
     /* Accumulate device info. */
-    info.has_half_images &= device.has_half_images;
     info.has_nanovdb &= device.has_nanovdb;
     info.has_osl &= device.has_osl;
     info.has_profiling &= device.has_profiling;

intern/cycles/device/device.h

@@ -73,7 +73,6 @@ class DeviceInfo {
   int num;
   bool display_device;        /* GPU is used as a display device. */
   bool has_nanovdb;           /* Support NanoVDB volumes. */
-  bool has_half_images;       /* Support half-float textures. */
   bool has_osl;               /* Support Open Shading Language. */
   bool has_profiling;         /* Supports runtime collection of profiling info. */
   bool has_peer_memory;       /* GPU has P2P access to memory of another GPU. */
@@ -90,7 +89,6 @@ class DeviceInfo {
     num = 0;
     cpu_threads = 0;
     display_device = false;
-    has_half_images = false;
     has_nanovdb = false;
     has_osl = false;
     has_profiling = false;

intern/cycles/device/hip/device.cpp

@@ -141,7 +141,6 @@ void device_hip_info(vector<DeviceInfo> &devices)
     info.description = string(name);
     info.num = num;
 
-    info.has_half_images = (major >= 3);
     info.has_nanovdb = true;
     info.denoisers = 0;
 

intern/cycles/scene/image.cpp

@@ -303,7 +303,6 @@ ImageManager::ImageManager(const DeviceInfo &info)
   animation_frame = 0;
 
   /* Set image limits */
-  features.has_half_float = info.has_half_images;
   features.has_nanovdb = info.has_nanovdb;
 }
 
@@ -357,8 +356,6 @@ void ImageManager::load_image_metadata(Image *img)
 
   metadata.detect_colorspace();
 
-  assert(features.has_half_float ||
-         (metadata.type != IMAGE_DATA_TYPE_HALF4 && metadata.type != IMAGE_DATA_TYPE_HALF));
   assert(features.has_nanovdb || (metadata.type != IMAGE_DATA_TYPE_NANOVDB_FLOAT ||
                                   metadata.type != IMAGE_DATA_TYPE_NANOVDB_FLOAT3));
 

intern/cycles/scene/image.h

@@ -100,7 +100,6 @@ class ImageMetaData {
 /* Information about supported features that Image loaders can use. */
 class ImageDeviceFeatures {
  public:
-  bool has_half_float;
   bool has_nanovdb;
 };
 

intern/cycles/scene/image_oiio.cpp

@@ -76,7 +76,7 @@ bool OIIOImageLoader::load_metadata(const ImageDeviceFeatures &features, ImageMe
   }
 
   /* check if it's half float */
-  if (spec.format == TypeDesc::HALF && features.has_half_float) {
+  if (spec.format == TypeDesc::HALF) {
     is_half = true;
   }