From 3b75ca2f60f43d7450f5b1570bfedea4d1ed4b1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Fri, 25 Feb 2022 01:05:09 +0100
Subject: GPUTexture: Expose layer & mip count

---
 source/blender/gpu/intern/gpu_texture.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'source/blender/gpu/intern/gpu_texture.cc')

diff --git a/source/blender/gpu/intern/gpu_texture.cc b/source/blender/gpu/intern/gpu_texture.cc
index 9e6a6f75391..285ef87585f 100644
--- a/source/blender/gpu/intern/gpu_texture.cc
+++ b/source/blender/gpu/intern/gpu_texture.cc
@@ -142,6 +142,8 @@ bool Texture::init_view(const GPUTexture *src_,
   w_ = src->w_;
   h_ = src->h_;
   d_ = src->d_;
+  layer_start = min_ii(layer_start, src->layer_count() - 1);
+  layer_len = min_ii(layer_len, (src->layer_count() - layer_start));
   switch (type_) {
     case GPU_TEXTURE_1D_ARRAY:
       h_ = layer_len;
@@ -596,6 +598,16 @@ int GPU_texture_height(const GPUTexture *tex)
   return reinterpret_cast<const Texture *>(tex)->height_get();
 }
 
+int GPU_texture_layer_count(const GPUTexture *tex)
+{
+  return reinterpret_cast<const Texture *>(tex)->layer_count();
+}
+
+int GPU_texture_mip_count(const GPUTexture *tex)
+{
+  return reinterpret_cast<const Texture *>(tex)->mip_count();
+}
+
 int GPU_texture_orig_width(const GPUTexture *tex)
 {
   return reinterpret_cast<const Texture *>(tex)->src_w;
-- 
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