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Fix T97124: Area light size gizmo unselectable 

Workaround for MS-Windows NVidia/LLVMPipe combination failing to select
the gizmo unless depth-test was used.
This commit is contained in:
Campbell Barton 2022-04-29 13:01:01 +10:00
parent 0b5cf91b89
commit 9dadd8bdb1
Notes: blender-bot 2023-02-14 00:44:02 +01:00 
Referenced by issue #97771, Regression: light gizmos not working (Windows + NVidia)
Referenced by issue #97124, Regression: Area lights. Size manipulators lost (WIN+NVidia)
1 changed files with 9 additions and 0 deletions
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9
source/blender/windowmanager/gizmo/intern/wm_gizmo_map.c
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@ -24,6 +24,7 @@
#include "GPU_framebuffer.h"
#include "GPU_matrix.h"
#include "GPU_platform.h"
#include "GPU_select.h"
#include "GPU_state.h"
#include "GPU_viewport.h"
@ -754,6 +755,14 @@ static wmGizmo *gizmo_find_intersected_3d(bContext *C,
bool use_depth_test = false;
bool use_depth_cache = false;
/* Workaround for MS-Windows & NVidia failing to detect any gizmo undo the cursor unless the
* depth test is enabled, see: T97124.
* NOTE(@campbellbarton): Ideally the exact cause of this could be tracked down,
* disable as I don't have a system to test this configuration. */
if (GPU_type_matches(GPU_DEVICE_NVIDIA | GPU_DEVICE_SOFTWARE, GPU_OS_WIN, GPU_DRIVER_ANY)) {
use_depth_test = true;
}
for (int i = 0; i < ARRAY_SIZE(hotspot_radii); i++) {
if (use_depth_test && (use_depth_cache == false)) {