From 1c31e30359cd0e789b9ec476c43bf78350f054a3 Mon Sep 17 00:00:00 2001
From: Miley Hollenberg <mileyhollenberg@gmail.com>
Date: Tue, 30 Jul 2024 08:43:04 +0200
Subject: [PATCH] Fixed crash on PowerVR GE8320 GPUs

---
 drivers/gles3/shader_gles3.cpp   | 5 +++--
 drivers/gles3/storage/config.cpp | 2 ++
 drivers/gles3/storage/config.h   | 3 +++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gles3/shader_gles3.cpp b/drivers/gles3/shader_gles3.cpp
index 4a15ed827a0..5a0f394db0b 100644
--- a/drivers/gles3/shader_gles3.cpp
+++ b/drivers/gles3/shader_gles3.cpp
@@ -698,7 +698,8 @@ void ShaderGLES3::_clear_version(Version *p_version) {
 
 void ShaderGLES3::_initialize_version(Version *p_version) {
 	ERR_FAIL_COND(p_version->variants.size() > 0);
-	if (shader_cache_dir_valid && _load_from_cache(p_version)) {
+	bool use_cache = shader_cache_dir_valid && !(feedback_count > 0 && GLES3::Config::get_singleton()->disable_transform_feedback_shader_cache);
+	if (use_cache && _load_from_cache(p_version)) {
 		return;
 	}
 	p_version->variants.reserve(variant_count);
@@ -709,7 +710,7 @@ void ShaderGLES3::_initialize_version(Version *p_version) {
 		_compile_specialization(spec, i, p_version, specialization_default_mask);
 		p_version->variants[i].insert(specialization_default_mask, spec);
 	}
-	if (shader_cache_dir_valid) {
+	if (use_cache) {
 		_save_to_cache(p_version);
 	}
 }
diff --git a/drivers/gles3/storage/config.cpp b/drivers/gles3/storage/config.cpp
index a28b050bf80..2b3c19dbb84 100644
--- a/drivers/gles3/storage/config.cpp
+++ b/drivers/gles3/storage/config.cpp
@@ -218,6 +218,8 @@ Config::Config() {
 			//https://github.com/godotengine/godot/issues/92662#issuecomment-2161199477
 			//disable_particles_workaround = false;
 		}
+	} else if (rendering_device_name == "PowerVR Rogue GE8320") {
+		disable_transform_feedback_shader_cache = true;
 	}
 }
 
diff --git a/drivers/gles3/storage/config.h b/drivers/gles3/storage/config.h
index 0c9f9bc275e..ff72fc5b589 100644
--- a/drivers/gles3/storage/config.h
+++ b/drivers/gles3/storage/config.h
@@ -96,6 +96,9 @@ public:
 	bool disable_particles_workaround = false; // set to 'true' to disable 'GPUParticles'
 	bool flip_xy_workaround = false;
 
+	// PowerVR GE 8320 workaround
+	bool disable_transform_feedback_shader_cache = false;
+
 #ifdef ANDROID_ENABLED
 	PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC eglFramebufferTextureMultiviewOVR = nullptr;
 	PFNGLTEXSTORAGE3DMULTISAMPLEPROC eglTexStorage3DMultisample = nullptr;