3 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 14c436fd00..2803f3371b 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -653,7 +653,7 @@ bool RasterizerSceneGLES3::reflection_probe_instance_begin_render(RID p_instance
 
 	int best_free = -1;
 	int best_used = -1;
-	uint64_t best_used_frame;
+	uint64_t best_used_frame = 0;
 
 	for (int i = 0; i < reflection_atlas->reflections.size(); i++) {
 		if (reflection_atlas->reflections[i].owner == RID()) {
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 58c0a104c1..9faf07c2f9 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -730,7 +730,7 @@ void RasterizerStorageGLES3::texture_set_data(RID p_texture, const Ref<Image> &p
 		}
 	};
 
-	GLenum blit_target;
+	GLenum blit_target = GL_TEXTURE_2D;
 
 	switch (texture->type) {
 		case VS::TEXTURE_TYPE_2D: {
@@ -948,7 +948,7 @@ void RasterizerStorageGLES3::texture_set_data_partial(RID p_texture, const Ref<I
 	Image::Format real_format;
 	Ref<Image> img = _get_gl_image_and_format(p_sub_img, p_sub_img->get_format(), texture->flags, real_format, format, internal_format, type, compressed, srgb);
 
-	GLenum blit_target;
+	GLenum blit_target = GL_TEXTURE_2D;
 
 	switch (texture->type) {
 		case VS::TEXTURE_TYPE_2D: {
@@ -6841,7 +6841,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level);
 			glDisable(GL_SCISSOR_TEST);
 			glColorMask(1, 1, 1, 1);
-			if (rt->buffers.active == false) {
+			if (!rt->buffers.active) {
 				glDepthMask(GL_TRUE);
 			}
 
diff --git a/drivers/gles3/shader_gles3.h b/drivers/gles3/shader_gles3.h
index 9db4942163..0d360e8453 100644
--- a/drivers/gles3/shader_gles3.h
+++ b/drivers/gles3/shader_gles3.h
@@ -128,11 +128,13 @@ private:
 		Vector<GLint> texture_uniform_locations;
 		uint32_t code_version;
 		bool ok;
-		Version() {
-			code_version = 0;
-			ok = false;
-			uniform_location = NULL;
-		}
+		Version() :
+				id(0),
+				vert_id(0),
+				frag_id(0),
+				uniform_location(NULL),
+				code_version(0),
+				ok(false) {}
 	};
 
 	Version *version;