Revert "DRW Manager: create and use new DRW_framebuffer_depth_read utility."

This reverts commit 40f8f445a3f9b6bc24b58e45be46060cc36c0394.

There are many paths that lead to uninitialized depth buffer where the
depth read would fail.

Fix T62965

2 files changed, 0 insertions, 9 deletions

diff --git a/source/blender/draw/DRW_engine.h b/source/blender/draw/DRW_engine.h
index 94d1bc61b57..68d4ef04f95 100644
--- a/source/blender/draw/DRW_engine.h
+++ b/source/blender/draw/DRW_engine.h
@@ -126,7 +126,6 @@ void DRW_draw_depth_loop(
 void DRW_framebuffer_select_id_setup(struct ARegion *ar, const bool clear);
 void DRW_framebuffer_select_id_release(struct ARegion *ar);
 void DRW_framebuffer_select_id_read(const struct rcti *rect, uint *r_buf);
-void DRW_framebuffer_depth_read(const struct rcti *rect, float *r_buf);
 
 /* grease pencil render */
 bool DRW_render_check_grease_pencil(struct Depsgraph *depsgraph);
diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index 4ecfb903a78..64e9b1a4259 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -2511,14 +2511,6 @@ void DRW_framebuffer_select_id_read(const rcti *rect, uint *r_buf)
 	        g_select_buffer.texture_u32, GPU_DATA_UNSIGNED_INT, rect, r_buf);
 }
 
-
-/* Read a block of pixels from the depth frame buffer. */
-void DRW_framebuffer_depth_read(const rcti *rect, float *r_buf)
-{
-	GPU_texture_read_rect(
-	        g_select_buffer.texture_depth, GPU_DATA_FLOAT, rect, r_buf);
-}
-
 /** \} */