Revert "GPU: Create and use new GPU_texture_read_rect utility."

This reverts commit e061cb44378efaf159a30fb1c5834db48ffb2bb3.
This function is problematic on some operating systems.

# Conflicts:
#	source/blender/draw/intern/draw_manager.c
#	source/blender/gpu/GPU_texture.h
#	source/blender/gpu/intern/gpu_texture.c

1 files changed, 0 insertions, 4 deletions

diff --git a/source/blender/gpu/GPU_texture.h b/source/blender/gpu/GPU_texture.h
index 4397234543b..2b61d99e852 100644
--- a/source/blender/gpu/GPU_texture.h
+++ b/source/blender/gpu/GPU_texture.h
@@ -214,10 +214,6 @@ void GPU_texture_update_sub(GPUTexture *tex,
                             int depth);
 
 void *GPU_texture_read(GPUTexture *tex, eGPUDataFormat gpu_data_format, int miplvl);
-void GPU_texture_read_rect(GPUTexture *tex,
-                           eGPUDataFormat gpu_data_format,
-                           const struct rcti *rect,
-                           void *r_buf);
 
 void GPU_invalid_tex_init(void);
 void GPU_invalid_tex_bind(int mode);