XR: Color Depth Adjustments

This addresses reduced visibility of scenes (as displayed in the VR
headset) that can result from the 8-bit color depth format currently
used for XR swapchain images.

By switching to a swapchain format with higher color depth (RGB10_A2,
RGBA16, RGBA16F) for supported runtimes, visibility in VR should be
noticeably improved.

However, current limitations are lack of support for these higher
color depth formats by some XR runtimes, especially for OpenGL.

Also important to note that GPU_offscreen_create() now explicitly
takes in the texture format (eGPUTextureFormat) instead of a
"high_bitdepth" boolean.

Reviewed By: Julian Eisel, Clément Foucault

Differential Revision: http://developer.blender.org/D9842

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/python/gpu/gpu_py_offscreen.c b/source/blender/python/gpu/gpu_py_offscreen.c
index 32053df5e97..6f23c2213e2 100644
--- a/source/blender/python/gpu/gpu_py_offscreen.c
+++ b/source/blender/python/gpu/gpu_py_offscreen.c
@@ -227,7 +227,7 @@ static PyObject *pygpu_offscreen__tp_new(PyTypeObject *UNUSED(self),
   }
 
   if (GPU_context_active_get()) {
-    ofs = GPU_offscreen_create(width, height, true, false, err_out);
+    ofs = GPU_offscreen_create(width, height, true, GPU_RGBA8, err_out);
   }
   else {
     STRNCPY(err_out, "No active GPU context found");