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-rw-r--r--drivers/gles3/rasterizer_scene_gles3.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 0e030d13a5..d1d063ad5b 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -2677,6 +2677,11 @@ void RasterizerSceneGLES3::_setup_environment(Environment *env, const CameraMatr
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
+// Drop -O3 for this function as it triggers a GCC bug up until at least GCC 8.2.1.
+// This refers to GH issue #19633.
+// The bug has been reported to the GCC project.
+#pragma GCC push_options
+#pragma GCC optimize ("-O2")
void RasterizerSceneGLES3::_setup_directional_light(int p_index, const Transform &p_camera_inverse_transform, bool p_use_shadows) {
LightInstance *li = directional_lights[p_index];
@@ -2794,6 +2799,7 @@ void RasterizerSceneGLES3::_setup_directional_light(int p_index, const Transform
glBindBufferBase(GL_UNIFORM_BUFFER, 3, state.directional_ubo);
}
+#pragma GCC pop_options
void RasterizerSceneGLES3::_setup_lights(RID *p_light_cull_result, int p_light_cull_count, const Transform &p_camera_inverse_transform, const CameraMatrix &p_camera_projection, RID p_shadow_atlas) {