[Bf-blender-cvs] [13c3ad7e766] master: GPU: Show Limited support message for polaris + 20.11.2 drivers.

[Jeroen Bakker]

Commit: 13c3ad7e766f8bc4eef432e2aa2e4d78d5f7eb83
Author: Jeroen Bakker
Date:   Wed Dec 2 15:28:58 2020 +0100
Branches: master
https://developer.blender.org/rB13c3ad7e766f8bc4eef432e2aa2e4d78d5f7eb83

GPU: Show Limited support message for polaris + 20.11.2 drivers.

See T82856 for details.

===================================================================

M	source/blender/gpu/opengl/gl_backend.cc

===================================================================

diff --git a/source/blender/gpu/opengl/gl_backend.cc b/source/blender/gpu/opengl/gl_backend.cc
index 3d00630bf10..7e948149a7f 100644
--- a/source/blender/gpu/opengl/gl_backend.cc
+++ b/source/blender/gpu/opengl/gl_backend.cc
@@ -139,6 +139,18 @@ void GLBackend::platform_init()
         GPG.support_level = GPU_SUPPORT_LEVEL_UNSUPPORTED;
       }
     }
+    /* Driver 20.11.2 fixes a lot of issues for the Navi cards, but introduces new ones
+     * for Polaris based cards cards. The viewport has glitches but doesn't crash.
+     * See T82856 */
+    if (GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_WIN, GPU_DRIVER_OFFICIAL) &&
+        strstr(version, " 20.11.2 ")) {
+      if (strstr(renderer, "Radeon RX 460 ") || strstr(renderer, "Radeon RX 470 ") ||
+          strstr(renderer, "Radeon RX 480 ") || strstr(renderer, "Radeon RX 490 ") ||
+          strstr(renderer, "Radeon RX 560 ") || strstr(renderer, "Radeon RX 570 ") ||
+          strstr(renderer, "Radeon RX 580 ") || strstr(renderer, "Radeon RX 590 ")) {
+        GPG.support_level = GPU_SUPPORT_LEVEL_LIMITED;
+      }
+    }
     if (GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_UNIX, GPU_DRIVER_ANY)) {
       if (strstr(renderer, "AMD CEDAR")) {
         GPG.support_level = GPU_SUPPORT_LEVEL_UNSUPPORTED;