[Bf-blender-cvs] [e977fe985f0] master: Cycles: Cleanup in image manager, switch statement instead of if-else
Sergey Sharybin
noreply at git.blender.org
Fri Jul 27 10:47:08 CEST 2018
Commit: e977fe985f019b7b28c022ffb0ca8fb37f6418ee
Author: Sergey Sharybin
Date: Fri Jul 27 10:16:30 2018 +0200
Branches: master
https://developer.blender.org/rBe977fe985f019b7b28c022ffb0ca8fb37f6418ee
Cycles: Cleanup in image manager, switch statement instead of if-else
Allows to catch enumerator values which are missing from being handled.
Also use `const char*`, no need to construct string just to throw it away.
===================================================================
M intern/cycles/render/image.cpp
M intern/cycles/render/image.h
===================================================================
diff --git a/intern/cycles/render/image.cpp b/intern/cycles/render/image.cpp
index 27d6ae78289..854eddac716 100644
--- a/intern/cycles/render/image.cpp
+++ b/intern/cycles/render/image.cpp
@@ -253,24 +253,23 @@ int ImageManager::flattened_slot_to_type_index(int flat_slot, ImageDataType *typ
return flat_slot >> IMAGE_DATA_TYPE_SHIFT;
}
-string ImageManager::name_from_type(int type)
+const char* ImageManager::name_from_type(ImageDataType type)
{
- if(type == IMAGE_DATA_TYPE_FLOAT4)
- return "float4";
- else if(type == IMAGE_DATA_TYPE_FLOAT)
- return "float";
- else if(type == IMAGE_DATA_TYPE_BYTE)
- return "byte";
- else if(type == IMAGE_DATA_TYPE_HALF4)
- return "half4";
- else if(type == IMAGE_DATA_TYPE_HALF)
- return "half";
- else if(type == IMAGE_DATA_TYPE_USHORT)
- return "ushort";
- else if(type == IMAGE_DATA_TYPE_USHORT4)
- return "ushort4";
- else
- return "byte4";
+ switch(type) {
+ case IMAGE_DATA_TYPE_FLOAT4: return "float4";
+ case IMAGE_DATA_TYPE_BYTE4: return "byte4";
+ case IMAGE_DATA_TYPE_HALF4: return "half4";
+ case IMAGE_DATA_TYPE_FLOAT: return "float";
+ case IMAGE_DATA_TYPE_BYTE: return "byte";
+ case IMAGE_DATA_TYPE_HALF: return "half";
+ case IMAGE_DATA_TYPE_USHORT4: return "ushort4";
+ case IMAGE_DATA_TYPE_USHORT: return "ushort";
+ case IMAGE_DATA_NUM_TYPES:
+ assert(!"System enumerator type, should never be used");
+ return "";
+ }
+ assert(!"Unhandled image data type");
+ return "";
}
static bool image_equals(ImageManager::Image *image,
@@ -732,7 +731,8 @@ void ImageManager::device_load_image(Device *device,
/* Slot assignment */
int flat_slot = type_index_to_flattened_slot(slot, type);
- img->mem_name = string_printf("__tex_image_%s_%03d", name_from_type(type).c_str(), flat_slot);
+ img->mem_name = string_printf("__tex_image_%s_%03d",
+ name_from_type(type), flat_slot);
/* Free previous texture in slot. */
if(img->mem) {
diff --git a/intern/cycles/render/image.h b/intern/cycles/render/image.h
index 5932c24cb74..627ad3ce6aa 100644
--- a/intern/cycles/render/image.h
+++ b/intern/cycles/render/image.h
@@ -152,7 +152,7 @@ private:
int max_flattened_slot(ImageDataType type);
int type_index_to_flattened_slot(int slot, ImageDataType type);
int flattened_slot_to_type_index(int flat_slot, ImageDataType *type);
- string name_from_type(int type);
+ const char* name_from_type(ImageDataType type);
void device_load_image(Device *device,
Scene *scene,
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